Mixture Contains Solid Polymer Derived From Reactant Containing Oxygen Heterocycle Patents (Class 525/74)
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Patent number: 5439974Abstract: Adhesive blends especially suitable for adhesion to one or more polypropylene substrates consisting essentially of a mixture of a modified impact copolymer and a graft reaction product of a propylene polymer and a carboxylic acid or derivative thereof are disclosed. Composite structures incorporating such blends are also disclosed.Type: GrantFiled: October 14, 1992Date of Patent: August 8, 1995Assignee: Quantum Chemical CorporationInventor: Diana C. Mattson
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Patent number: 5436397Abstract: There are disclosed a polystyrene composition which comprises 100 parts by weight of a resin component comprising 0 to 99% by weight of SPS (a) and 100 to 1% by weight of a modified SPS (b) and 1 to 100 parts by weight of a rubbery elastomer which can react with the functional group of the component (b) as the component (c) and optionally, 1 to 350 parts by weight of an inorganic filler (e); and a polystyrene composition which comprises 100 parts by weight of a resin component comprising 0 to 99% by weight of the component (a) and 100 to 1% by weight of the component (b), 1 to 10 parts by weight of the component (c) and 1 to 100 parts by weight of a rubbery elastomer (d) and optionally, 1 to 350 parts by weight of an inorgaic filler (e). The above compositions are greatly improved in impact resistance, elongation and retention of physical properties during recycling without detriment to heat resistance and modulus of elasticity.Type: GrantFiled: June 15, 1994Date of Patent: July 25, 1995Assignee: Idemitsu Kosan Co., Ltd.Inventor: Akihiko Okada
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Patent number: 5434217Abstract: Polar thermoplastic polyolefin blends are provided which are flexible and are particularly useful in replacing polyvinyl chloride sheeting used as liners, folders, etc. The blends comprise, in general, a non-polar thermoplastic polyolefin, a functionalized polar ethylene copolymer, and a functionalized olefin polymer as a compatibilizing agent, all of which are chlorine-free.Type: GrantFiled: March 4, 1994Date of Patent: July 18, 1995Assignee: E. I. Du Pont de Nemours and CompanyInventor: Heinz H. Spelthann
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Patent number: 5430101Abstract: A thermoplastic resin composition comprising:(A) 40 to 99.8 parts by weight of a rubber-modified styrene base thermoplastic resin,(B) 0.1 to 20 parts by weight of a copolymer having an epoxy group but comprising no olefin, and(C) 0.1 to 50 parts by weight of a polymer having at least one functional group selected from the group consisting of a carboxyl group, an acid anhydride group, a hydroxyl group and a nitrogen-containing base group with the total amount of the rubber-modified styrene base thermoplastic resin (A), the copolymer (B) and the polymer (C) being 100 parts by weight and the content of the rubber in the composition being from 5 to 40 % by weight based on the weight of the composition, which has good flowability and imparts a uniformly delustered surface and good impact resistance to a molded article.Type: GrantFiled: October 28, 1993Date of Patent: July 4, 1995Assignee: Sumitomo Dow LimitedInventors: Hiroyuki Minematsu, Tetuya Yamamoto
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Patent number: 5428105Abstract: A curable polyester molding composition incorporating an elastomeric low profile additive dispersed in voided rubbery particle form throughout the composition is used in association with a compatibilizing agent to form a molded thermoset article having very smooth, light reflective, class A surfaces and having a matrix fracture energy which is comparable to articles formed from similar or identical molding compositions which are free of low profile additives. The low profile additive is an epoxidized elastomer or block copolymer having at least one flexible elastomer block and one monovinyl aromatic block. The compatibilizing agent is a copolymer having a diene polymer backbone which is compatible with the elastomer or the flexible diene block of the low profile additive, with constituents which are compatible or reactive with the polyester being grafted or adducted onto the diene polymer backbone.Type: GrantFiled: October 26, 1994Date of Patent: June 27, 1995Assignee: GenCorp Inc.Inventors: Frederick J. McGarry, Mary B. Chan-Park
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Patent number: 5426149Abstract: Glass reinforced of epoxy modified styrene/styrene copolymer and one or more polymers of styrene, are provided.Methods of making these blends and articles made therefrom are provided.Type: GrantFiled: November 15, 1993Date of Patent: June 20, 1995Assignee: Phillips Petroleum CompanyInventor: Randy J. Skarlupka
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Patent number: 5424362Abstract: Paintable thermoplastic polyolefin compositions are disclosed which comprise (i) 30 to about 70 wt % of at least one polypropylene or graft-modified polypropylene, (ii) 0 to about 40 wt % of at least one nongrafted or graft-modified substantially linear ethylene polymer, and (iii) 0 to about 50 wt % of an interpolymer of ethylene and an .alpha.,.beta.-unsaturated carbonyl copolymer, e.g. a copolymer of ethylene and acrylic acid. The polypropylene and substantially linear ethylene polymer are grafted with an unsaturated organic compound containing at least on ethylenic unsaturation and at least one carbonyl group, e.g. maleic anhydride. The compositions exhibit excellent paintability with conventional paints without prior application of a primer or surface treatment, good heat resistance, and good low temperature impact resistance and they can be recycled by melt blending the compositions with thermoplastic materials, e.g., in an extruder.Type: GrantFiled: April 28, 1993Date of Patent: June 13, 1995Assignee: The Dow Chemical CompanyInventors: Yuh-Chin Hwang, Thomas J. McKeand, Jr., Stephen R. Betso, H. Craig Silvis, Deepak R. Parikh, Don J. Germano
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Patent number: 5420201Abstract: A thermoplastic resin composition exhibiting excellent processability and producing remarkable advantages in that it gives far better physical properties than that expected from each polymer which constitutes the thermoplastic resin composition. The composition can be easily processed into molded articles, films and sheets and can give products which have well-balanced properties among stiffness, heat resistance, impact resistance, scratch resistance, coatability, oil-resistance, chemical resistance, water resistance, etc. and which are excellent in appearance, uniformity and smoothness.Type: GrantFiled: November 19, 1993Date of Patent: May 30, 1995Assignee: Sumitomo Chemical Company, LimitedInventors: Hiroomi Abe, Takeshi Fujii, Masashi Yamamoto, Shinji Date
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Patent number: 5414039Abstract: A composition is which, when added to an ethylene vinyl acetate copolymer having 40 to 60 weight percent of vinyl acetate units, renders a repulpable hot melt adhesive comprises a tackifier and an oxygen-containing polymer. The oxygen-containing polymer may be either (i) a high molecular weight carboxylic acid; (ii) a ethylenically unsaturated cyclic anhydride graft polyolefin or (iii) a primary linear polymeric alcohol of the formulaA-Bwherein A is represented by a unit of the formula ##STR1## and B is represented by a unit of the formula ##STR2## where R and R.sub.1 are independently selected from the group consisting of hydrogen and a C.sub.1 -C.sub.10 alkyl group; R.sub.2 is hydrogen or a C.sub.1 -C.sub.5 alkyl group; x is greater than or equal to 1 but less than 70; and y is between 0 about 45; provided the weight ratio of B/A+B is between 0 and 50 percent. The molecular weight of the alkyl unit of the oxygen-containing polymer is less than 2,000.Type: GrantFiled: February 16, 1993Date of Patent: May 9, 1995Assignee: Petrolite CorporationInventors: Michael D. Watson, William P. Cottom, Susan M. Teeters, Charles H. Heroux, Terrance D. Duryee
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Patent number: 5414044Abstract: A polyolefin resin composition comprising (A) a polyolefin resin, (B) a graft-modified .alpha.-olefin copolymer grafted with an unsaturated carboxylic acid and its derivative, and (C) an amino group-containing compound, (D) said polyolefin resin composition containing a crosslinked structure between the amino group-containing compound (C) and the graft-modified .alpha.-olefin copolymer (B), and containing, based on 100 parts by weight of the polyolefin resin (A) and the graft-modified .alpha.-olefin copolymer (B) in total, 1 to 99 parts by weight of each of the polyolefin resin (A) and the graft-modified .alpha.-olefin copolymer (B) and 0.01 to 10 parts by weight of the amino group-containing compound (C). The polyolefin resin composition gives a crosslinked molded article having impact resistance at ordinary temperature and a low temperature.Type: GrantFiled: October 29, 1993Date of Patent: May 9, 1995Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Satoru Moriya, Mamoru Takahashi, Akio Ishimoto, Toshiyuki Hirose
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Patent number: 5412029Abstract: A protective material, based on poly-.alpha.-olefins, capable of easy application in molten form, is distinguished by a balanced pattern of properties, good adhesion and good recycling capability. The present protective materials contain (I) not less than 50% by weight of one or more largely amorphous poly-.alpha.-olefins, composed of (a) 3 to 75% by weight of one or more .alpha.-olefins containing 4 to 10 carbon atoms, (b) 25 to 95% by weight of propene, and (c) 0 to 20% by weight of ethene; (II) not more than 30% by weight of other olefin homo- and copolymers which may be either largely amorphous or preferably partially crystalline; and (III) not more than 40% by weight of additives which are standard in the plastic sector. Such protective materials can be used in particular in the underfloor region of motor vehicles.Type: GrantFiled: October 19, 1993Date of Patent: May 2, 1995Assignee: Huels AktiengesellschaftInventors: Rainer Elm, Helmut Kehr, Adolf Kuhnle, Matthias Schleinzer
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Patent number: 5405902Abstract: A novel thermoplastic resin composition excellent in heat resistance, mechanical properties and processability is provided which comprises a composition containing (A) a dispersing phase of polyphenylene ether obtained by oxidation polymerization of at least one phenol compound represented by the formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 each represents a hydrogen atom, a halogen atom or a substituted or unsubstituted hydrocarbon residue and at least one of them is a hydrogen atom and (B) a crystalline thermoplastic resin matrix phase and (C) a mutual compatibilizer compatible with (A) and/or (B), an average particle diameter in said dispersing phase having of 0.01-10.mu..Type: GrantFiled: December 15, 1993Date of Patent: April 11, 1995Assignee: Sumitomo Chemical Company, Ltd.Inventors: Taichi Nishio, Takashi Sanada, Satoru Hosoda, Kenji Kagaoka, Takayuki Okada
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Patent number: 5397836Abstract: Disclosed are blends comprising a graft copolymer of a propylene polymer material, a graft copolymer of olefin rubber material, and optionally an ungrafted olefin rubber, wherein the grafting monomers are selected from the group consisting of (i) aromatic vinyl compounds, (ii) acrylic compounds, (iii) mixtures of (i) and (ii), and (iv) other copolymerizable monomers with at least one (i) or at least one (ii) or mixtures of at least one (i) and at least one (ii).Type: GrantFiled: March 6, 1992Date of Patent: March 14, 1995Assignee: Himont IncorporatedInventors: Anthony J. DeNicola, Jr., Paul D. Tatarka
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Patent number: 5397837Abstract: A compatibilized polymer blend composition is provided which comprises a uniform admixture of a halogenated copolymer of an isomonoolefin, such as polyisobutylene, and a para-alkylstyrene, such as para-methylstyrene blended with a carboxy-modified elastomer. Blends also containing an unmodified elastomer are provided wherein the carboxy-modified elastomer serves to compatibilize the unmodified elastomer and the halogenated copolymer.Type: GrantFiled: May 11, 1993Date of Patent: March 14, 1995Assignee: Exxon Chemical Patents Inc.Inventor: Palanisamy Arjunan
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Patent number: 5395881Abstract: Polar thermoplastic polyolefin blends are provided which are flexible and are particularly useful in replacing polyvinyl chloride sheeting used as liners, folders, etc.. The blends comprise, in general, a non-polar thermoplastic polyolefin, a polar ethylene copolymer, an epoxy functionalized polar ethylene copolymer, and a carboxylic acid or anhydride functionalized olefin polymer, all of which are chlorine-free.Type: GrantFiled: March 4, 1994Date of Patent: March 7, 1995Assignee: E. I. Du Pont de Nemours and CompanyInventor: Heinz H. Spelthann
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Patent number: 5391617Abstract: A blend and a process for producing that blend in which a high ethylene content ethylene-propylene polymer and a lower ethylene content ethylene-propylene polymer are subjected to simultaneous blending and shearing to reduce their molecular weights and molecular weight distribution and to yield a product that can be recovered as a solid using conventional plastic processing equipment. The sheared blend of polymers can function as a shear stable viscosity index improver with improved lower temperature properties.Type: GrantFiled: August 2, 1993Date of Patent: February 21, 1995Assignee: DSM Copolymer, Inc.Inventors: Errol J. Olivier, Robert T. Patterson, Peter N. Nugara
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Patent number: 5391601Abstract: The present invention relates to a blend of a linear or branched chain saturated aliphatic hydrocarbon wax having a molecular weight of between about 300 to about 5,000 and an alkoxylated alcohol of the formula A--B, wherein A is the unit: CH.sub.3 (CHR--CHR.sub.1).sub.x -- and B is the unit: --CH.sub.2 O(CH.sub.2 CHR.sub.2 O).sub.y H. R and R.sup.1 are independently selected from the group consisting of hydrogen and a C.sub.1 -C.sub.10 alkyl group; R.sub.2 is hydrogen or a C.sub.1 -C.sub.5 alkyl group; x is between about 1 to about 142; and y is between about 2 to about 817, provided the weight ratio of B/A+B is between 51 and 90 percent. Such blends may be used with an elastomer and tackifier to form a repulpable laminating adhesive. The invention further relates to a laminating adhesive containing alkoxylated alcohol, elastomer, wax and tackifier.Type: GrantFiled: February 16, 1993Date of Patent: February 21, 1995Assignee: Petrolite CorporationInventors: Susan M. Teeters, Charles H. Heroux, Michael D. Watson, William P. Cottom, Terrance D. Duryee
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Patent number: 5384361Abstract: Core-shell ABS copolymers having an SAN shell completely surrounding the diene core are provided by melt blending an aliphatic diene polymer with an SAN copolymer, said copolymer containing functional groups capable of reacting with the diene polymer. For example, the SAN copolymer may contain azide groups capable of reacting with the olefinic groups in the diene polymer, or both the SAN copolymer and the diene polymer may contain other functional groups capable of interreaction, such as acidic (e.g., maleic anhydride) groups in the diene and epoxy (e.g., glycidyl methacrylate) groups in the SAN copolymer.Type: GrantFiled: November 8, 1993Date of Patent: January 24, 1995Assignee: General Electric CompanyInventors: James J. Scobbo, Jr., Gregory J. Stoddard
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Patent number: 5374680Abstract: A polymer blend composition consisting essentially of:(i) at least about 55% by weight polystyrene,(ii) from about 1% to about 45% by weight of a selectively hydrogenated block copolymer of conjugated dienes and vinyl aromatic monomers which has been grafted with a carboxylic reagent, wherein the block copolymer contains up to about 50% by weight bound vinyl aromatic monomer, and(iii) from about 0.3% to 45% by weight of at least one block polymer of a vinyl aromatic monomer and conjugated diene, wherein the block polymer contains greater than about 60% by weight bound vinyl aromatic monomer.The polymer composition is useful in preparing multilayer thermoformable structures and articles comprising (A) at least one cap layer and (B) at least one core layer, such as liners for refrigerators and freezers. The multilayer structures and polymer composition have good thermoformability, chemical resistance and surface properties including a glossy finish.Type: GrantFiled: September 24, 1993Date of Patent: December 20, 1994Assignee: Ferro CorporationInventors: Deenadayalu Chundury, Anthony S. Scheibelhoffer, Berdine L. Leonard, Ronald E. Thompson, Randall S. McAllister, Surachai Wimolkiatisak, Anthony F. Dean Jr.
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Patent number: 5374685Abstract: A syndiotactic graft copolymer is here disclosed in which a radical polymerizable unsaturated compound is grafted on a propylene homopolymer or copolymer, and this graft copolymer is obtained by heating a homopolymer having a substantially syndiotactic structure of propylene or a copolymer having a substantially syndiotactic structure of propylene and another .alpha.-olefin and a radical polymerizable unsaturated compound such as an unsaturated carboxylic acid or an unsaturated silane in the presence of a radical initiator up to the decomposition temperature or more of the radical initiator. This kind of graft copolymer can be used as a composition for adhesion. The graft copolymer in which the radical polymerizable unsaturated compound is a hydrolyzable unsaturated silane can be converted into a crosslinked polymer by heating in the presence of water, and it can also be converted into a water-crosslinkable resin composition by adding various additive thereto.Type: GrantFiled: January 4, 1994Date of Patent: December 20, 1994Assignee: Mitsui Toatsu Chemicals, Inc.Inventors: Tadashi Asanuma, Kazuhiko Yamamoto
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Patent number: 5373059Abstract: A syndiotactic graft copolymer is here disclosed in which a radical polymerizable unsaturated compound is grafted on a propylene homopolymer or copolymer, and this graft copolymer is obtained by heating a homopolymer having a substantially syndiotactic structure of propylene or a copolymer having a substantially syndiotactic structure of propylene and another .alpha.-olefin and a radical polymerizable unsaturated compound such as an unsaturated carboxylic acid or an unsaturated silane in the presence of a radical initiator up to the decomposition temperature or more of the radical initiator. This kind of graft copolymer can be used as a composition for adhesion. The graft copolymer in which the radical polymerizable unsaturated compound is a hydrolyzable unsaturated silane can be converted into a crosslinked polymer by heating in the presence of water, and it can also be converted into a water-crosslinkable resin composition by adding various additive thereto.Type: GrantFiled: January 4, 1994Date of Patent: December 13, 1994Assignee: Mitsui Toatsu Chemicals, Inc.Inventors: Tadashi Asanuma, Kazuhiko Yamamoto
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Patent number: 5369168Abstract: A method for preparing a compatible blend of polyolefin and thermoplastic polyvinyl alcohol comprising:(a) melting polyolefin in the initial elements of a melt extruder,(b) adding and melt blending an unsaturated carboxylic acid or anhydride with the melted polyolefin downstream in the extruder,(c) adding peroxide to the melt blend and grafting the unsaturated carboxylic acid or anhydride onto the polyolefin, and(d) melt blending thermoplastic PVOH into the grafted polyolefin/unsaturated carboxylic acid or anhydride melt mixture.Type: GrantFiled: August 3, 1992Date of Patent: November 29, 1994Assignee: Air Products and Chemicals, Inc.Inventors: Amir Famili, Lloyd M. Robeson, James F. Nangeroni
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Patent number: 5369173Abstract: A resin composition is disclosed, which comprises(A) 100 parts by weight of(a) 1 to 50% by weight of polyphenylene ether or polyphenylene ether-containing resin composition,(b) 10 to 90% by weight of propylene polymer, except a propylene polymer modified with an oxygen-containing unsaturated compound,(c) 10 to 40% by weight of propylene polymer modified with an oxygen-containing unsaturated organic compound, and(d) 0 to 30% by weight of rubber-like substance which is elastic at room temperature, and(B) 3 to 60 parts by weight of(e) glass fiber. The resin composition has the remarkable effect that it not only has favorite mold processability but also is superior in balance among various physical properties of shaped articles resulting therefrom.Type: GrantFiled: January 19, 1993Date of Patent: November 29, 1994Assignee: Sumitomo Chemical Company, LimitedInventor: Motonobu Furuta
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Patent number: 5369174Abstract: Three resin blends are provided: (a) blends of monovinyl aromatic-conjugated diene block copolymers and grafted polypropylene; (b) blends of monovinyl aromatic-conjugated diene block copolymers, grafted polypropylene and styrene-ethylene/butylene-styrene rubbers; and (c) blends of monovinyl aromatic-conjugated diene block copolymer, polypropylene and styrene-ethylene/butylene-styrene rubbers. Methods of making these resins and articles made therefrom are provided.Type: GrantFiled: April 2, 1992Date of Patent: November 29, 1994Assignee: Phillips Petroleum CompanyInventor: Lori C. Hasselbring
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Patent number: 5367022Abstract: Highly functional grafted polymeric products of a predominantly propylene polymeric composition containing a thermoplastic ethylene-propylene copolymer and a carboxylic acid or derivative grafting monomer and having a desirably low melt flow rate, adhesive blends containing such grafted polymeric products, and composite structures incorporating the adhesive blends are provided. The grafted polymeric product may be prepared by melt grafting in the presence of a free radical generating catalyst and the substantial absence of solvent under shear and at a temperature selected to minimize or avoid premature decomposition of the catalyst and vaporization losses of the catalyst and monomer.Type: GrantFiled: October 7, 1992Date of Patent: November 22, 1994Assignee: Quantum Chemical CorporationInventors: Webster W. Kiang, Edward M. Kajiwara, Diana C. Mattson
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Patent number: 5362806Abstract: An aqueous-developable article is made from a photosensitive prepolymer made by reacting together (a) maleated alkadiene polymer or copolymer, (b) hydroxyalkyl(meth)acrylate or hydroxy(polycaprolactone)acrylate, (c) polybutadiene diol or polyisoprene diol, and (d) monohydroxy-terminated thermoplastic polymer, such as monohydroxy-terminated polystyrene or monohydroxy-terminated polymethylmethacrylate, followed by hydrolysis and at least partial neutralization by reaction with a base, e.g. NaOH, to form an ionomer. When formulated with photoinitiator and (optional) unsaturated monomers, the ionomer is particularly useful in making photopolymer-based flexographic printing plates.Type: GrantFiled: January 7, 1993Date of Patent: November 8, 1994Assignee: W. R. Grace & Co.-Conn.Inventors: Cynthia L. Ebner, Srinivas K. Mirle
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Patent number: 5362788Abstract: An aqueous composition for covering a polyolefin resin substrate consists essentially of a dispersion of a graft copolymer in which from 1 to 20% by weight, based on the graft copolymer of an .alpha.,.beta.-unsaturated dicarboxylic acid or acid anhydride thereof is grafted onto a propylene-.alpha.-olefin polymer, a neutralizing base and a polyol in water.Type: GrantFiled: March 12, 1993Date of Patent: November 8, 1994Assignee: Nippon Paper Industries Co., Ltd.Inventors: Itsuo Kimura, Kazuhiro Fujiwara, Shigeki Hikasa
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Patent number: 5358984Abstract: Dispersants that are the reaction product of polyoxyalkylene polyether polyols with polymers containing anhydride groups are discussed. These dispersants may be used in the production of polymer polyols having high styrene contents and high solids contents. The polymers containing the anhydride groups may be preformed polymers which are then reacted with the polyol, or may be formed in the polyol directly prior to esterification with the polyol to form the dispersants. Maleic anhydride and methacrylic arthydride and derivatives thereof are examples of monomers suitable for the dispersants. Polymer polyols made using these dispersants may be reacted with polyisocyanates to produce polyurethanes.Type: GrantFiled: May 24, 1993Date of Patent: October 25, 1994Assignee: Arco Chemical Technology, L.P.Inventors: John E. Hayes, Robert G. Gastinger
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Patent number: 5359000Abstract: The present invention provides a golf ball having excellent hit feeling and control property as well as satisfactory flying performance and cut resistance, which comprises a core and a cover for covering the core. The cover is prepared from a heated mixture of the following three components:(A) an ionomer resin;(B) a polymer containing at least maleic anhydride as one constituent component; and(C) a metal salt selected from the group consisting of metal hydroxides, metal carbonates or metal acetates.Type: GrantFiled: September 25, 1992Date of Patent: October 25, 1994Assignee: Sumitomo Rubber Industries, Ltd.Inventors: Akihiko Hamada, Kuniyasu Horiuchi, Akira Kato
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Patent number: 5352727Abstract: There are disclosed a polystyrene composition which comprises 100 parts by weight of a resin component comprising 0 to 99% by weight of syndiotactic polystyrene (SPS) (a) and 100 to 1% by weight of a modified syndiotactic polystrene (SPS) (b) and 1 to 100 parts by weight of a rubbery elastomer which can react with the functional group of the component (b) as the component (c) and optionally, 1 to 350 parts by weight of an inorganic filler (e); and a polystyrene composition which comprises 100 parts by weight of a resin component comprising 0 to 99% by weight of the component (a) and 100 to 1% by weight of the component (b), 1 to 10 parts by weight of the component (c) and 1 to 100 parts by weight of a rubbery elastomer (d) and optionally, 1 to 350 parts by weight of an organic filler (e). The above compositions are greatly improved in impact resistance, elongation and retention of physical properties during recycling without detriment to heat resistance and modulus of elasticity.Type: GrantFiled: September 9, 1993Date of Patent: October 4, 1994Assignee: Idemitsu Kosan Co., Ltd.Inventor: Akihiko Okada
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Patent number: 5346953Abstract: Core-shell ABS copolymers having an SAN shell completely surrounding the diene core are provided by melt blending an aliphatic diene polymer with an SAN copolymer, said copolymer containing functional groups capable of reacting with the diene polymer. For example, the SAN copolymer may contain azide groups capable of reacting with the olefinic groups in the diene polymer, or both the SAN copolymer and the diene polymer may contain other functional groups capable of interreaction, such as acidic (e.g., maleic anhydride) groups in the diene and epoxy (e.g., glycidyl methacrylate) groups in the SAN copolymer.Type: GrantFiled: October 7, 1993Date of Patent: September 13, 1994Assignee: General Electric CompanyInventors: James J. Scobbo, Jr., Gregory J. Stoddard
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Patent number: 5342884Abstract: Compositions comprising a non-isocyanate based thermoplastic polymer and a finely divided isocyanate based thermoset polymer are disclosed. The compositions can optionally further comprise an adhesive thermoplastic compatibilizing agent. Finely divided scrap isocyanate based thermoset polymer materials can be used in preparing these compositions, thus lowering manufacturing and disposal costs. A method to prepare these compositions is also disclosed.Type: GrantFiled: August 20, 1993Date of Patent: August 30, 1994Assignee: The Dow Chemical CompanyInventors: Ricky L. Tabor, Roy E. Morgan, Jr., Melissa J. Zawisza
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Patent number: 5334659Abstract: Copolymer compositions useful as impact modifiers are prepared by blending, under reactive conditions, at least one functionalized addition polymer with an excess of at least one functionalized elastomer reactive therewith to form a preblend, and subsequently blending said preblend, under reactive conditions, with a further amount of at least one functionalized addition polymer. The preferred addition polymers and elastomers are carbamate-functionalized styrene-acrylonitrile copolymers and maleic anhydride-grafted EPDM elastomers, respectively. The product of the two-step blending operation is a composition comprising a continuous addition polymer phase and elastomer particles dispersed therein, said elastomer particles containing occluded addition polymer. Said composition is stabilized by copolymer formation between the elastomer particles and the addition polymer.Type: GrantFiled: May 24, 1993Date of Patent: August 2, 1994Assignee: General Electric CompanyInventors: James J. Scobbo, Jr., Gregory J. Stoddard
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Patent number: 5332780Abstract: Thermoplastic resin compositions having the following component A-1 or A-2, component B and component C:(A-1): a polymer component having a functional group capable of reacting with an amino group, or(A-2): a composition of component (A-1) and a resin that is non-reactive with an amino group and is different from the resin used in the following component B(B) a thermoplastic resin component that is non-reactive with an amino group under the conditions required to mold the entire resin composition; and(C) a graft copolymer obtained by a graft reaction of a thermoplastic polymer, with a compound (I), or a copolymer having the repeating unit (II) and the repeating unit of an ethylenic unsaturated monomer, ##STR1## wherein R.sup.1 -R.sup.4, the same or different represent a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group or an aralkyl group.Type: GrantFiled: April 8, 1993Date of Patent: July 26, 1994Assignee: Dai-Ichi Kogyo Seiyaku Co., Ltd.Inventors: Naoki Kitazawa, Manabu Kikuta, Hiroshi Hotta, Yutaka Nakayama, Hideyuki Sumi
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Patent number: 5331046Abstract: The present invention relates to a polyolefinic resin composition having superior paintability which comprises:(A) 40 to 80 parts by weight of a crystalline polypropylene resin;(B) 1 to 50 parts by weight of a thermoplastic olefinic rubber prepared by dynamic-crosslinking 10 to 70 parts by weight of a crystalline polypropylene resin with 90 to 30 parts by weight of an ethylene-.alpha.-olefin rubber;(C) 0.5 to 30 parts by weight of a polypropylene resin modified by grafting a polar monomer which has a physical affinity, but is not reactive, with an ethylene copolymer or ethylene copolymer rubber modified with .alpha.,.beta.-unsaturated carboxylic acid or a derivative thereof; and(D) 1 to 40 parts by weight of said modified ethylene copolymer or ethylene copolymer rubber based on 100 parts by weight of the total weight of the components (A),(B) and (C).Type: GrantFiled: October 30, 1992Date of Patent: July 19, 1994Assignee: Lucky LimitedInventors: Suk K. Chang, In S. Seo, Dae W. Hong
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Patent number: 5328794Abstract: A fluorine-containing graft copolymer prepared by a step (i) of polymerizing a monomer having formula (I) and an unsaturated carboxylic acid or a monomer having a glycidyl group to obtain a copolymer, ##STR1## wherein R represents --H or --CH.sub.3 group; and A represents --COOC.sub.n H.sub.2n+1 or OC.sub.n H.sub.2n+1, in which n is an integer of 6 to 20; a step (ii) of esterifying the resulting copolymer by using a monomer having a glycidyl group in the case where a constituting monomer of the above copolymer is an unsaturated carboxylic acid, or by using an unsaturated carboxylic acid in the case where a constituting monomer of the above copolymer is a monomer having a glycidyl group; and a step (iii) of graft-polymerizing a monomer comprising at least fluoroalkyl acrylate or fluoroalkyl methacrylate on the above esterified copolymer. In addition, a toner comprising a coloring agent and a resin component which comprises the above-mentioned fluorine-containing graft copolymer is disclosed.Type: GrantFiled: March 16, 1993Date of Patent: July 12, 1994Assignee: Ricoh Company, Ltd.Inventors: Tsubuko Kazuo, Shinichi Kuramoto, Kazuhiko Umemura, Toshihiko Takahashi, Hidemi Uematsu
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Patent number: 5324779Abstract: Crosslinkable compositions with a polyethylene base are described which comprise a major proportion, for example 65 to 95% by weight, of at least one polymer selected from the polyethylenes grafted by a silane and ethylene-triethoxyvinylsilane copolymers; a minor proportion, for example, from 5 to 35% by weight, of at least one polymer selected from the hydrophilic polymers which are incompatible with ethylene polymers; as well as, added to the total weight of polymers (a) and (b), a small proportion, for example, from 1 to 10% by weight, of at least one polymer selected from the copolymers and the terpolymers with an ethylene base to react chemically with said incompatible hydrophilic polymer; and a catalytic proportion, for example of 0.001 to 0.3% by weight, of at least one hydrolytic catalyst. These crosslinkable compositions can be shaped by extrusion, extrusion blow-molding or injection molding and then crosslinked by heating in the presence of water.Type: GrantFiled: October 21, 1991Date of Patent: June 28, 1994Assignee: Institut Francais Du PetroleInventors: Jacques Jarrin, Gaetan Serpe, Francois Dawans
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Patent number: 5310809Abstract: An olefinic polymer is grafted with a vinyl arylcyclobutene such as 4-vinylbenzocyclobutene. The arylcyclobutene grafted olefinic polymers are useful in a number of industrial applications including electronics, and as coatings, membranes, fibers, structural composites, adhesives, and wrapping and packaging films.Type: GrantFiled: May 20, 1993Date of Patent: May 10, 1994Assignee: The Dow Chemical CompanyInventors: Raul A. Pabon, Jr., Robert A. DeVries
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Patent number: 5310795Abstract: Novel addition polymers and copolymers derived from carbamate-functionalized vinyl monomers, and optionally one or more conventional vinyl monomers such as acrylonitrile and/or styrene, are disclosed. When the addition polymers or copolymers are melt processed with an elastomer containing moieties reactive with amines, novel addition polymer-rubber copolymers are formed which are useful as compatibilizers and impact modifiers in plastic blends, such as AES.Type: GrantFiled: June 17, 1993Date of Patent: May 10, 1994Assignee: General Electric CompanyInventors: William P. England, Gregory J. Stoddard, James J. Scobbo, Jr.
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Patent number: 5310800Abstract: A partially crosslinked thermoplastic elastomer composition having an excellent heat-bondability is obtained by dynamically heat-treating a peroxide-crosslinking olefin copolymer rubber with an .alpha.,.beta.-unsaturated carboxylic acid or a derivative thereof in the presence of an organic peroxide.Type: GrantFiled: March 26, 1992Date of Patent: May 10, 1994Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Shizuo Shimizu, Akira Uchiyama, Kunihide Hiraoka, Katsuo Okamoto, Yasuhiko Otawa
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Patent number: 5306771Abstract: High rubber graft thermoplastic compositions are prepared by melt blending an EPDM or an EP rubber and a copolymer derived from a vinyl cyanide compound and a vinyl aromatic compound. Both the copolymer and the rubber are independently either epoxy or carboxy functionalized.Type: GrantFiled: January 22, 1993Date of Patent: April 26, 1994Assignee: General Electric CompanyInventors: Michael P. Laughner, Marinus E. J. Dekkers, James J. Scobbo, Jr., Robert J. Halley, Ronald L. Jalbert
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Patent number: 5300569Abstract: Uncured adhesive elastomeric compositions are provided comprising an unsaturated polymeric dicarboxylic acid or derivative adduct and an elastomer. These compositions are capable of adhesion to a broad, general range of materials and are useful for bonding elastomers to other elastomers, to plastic materials, to metal, fabrics, fibers, paper and miscellaneous substrates. These materials can also be bonded to each other using a film or spreadable liquid comprised of a composition of this invention and curing said film or liquid in contact with said substrates.Type: GrantFiled: February 10, 1993Date of Patent: April 5, 1994Assignee: Ricon Resins, Inc.Inventors: Ronald E. Drake, John M. Labriola
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Patent number: 5296552Abstract: An adhesive resin composition is obtained by mixing at least one member (C) selected from the group consisting of unsaturated carboxylic acids and the derivatives thereof, a free-radical initiator (D), and a mixture consisting of a crystalline polyolefin resin (A) and an amorphous or low crystalline olefin copolymer of ethylene and an .alpha.-olefin (B), to obtain a precursor mixture, melt-kneading the precursor mixture in the first half of an extruder having at least one side feeder, to obtain a modified precursor mixture, and feeding a crystalline polyolefin resin (E) from the side feeder of the extruder and mixing the resin (E) with the modified precursor mixture.The adhesive resin composition has good extrudability and exhibits high adhesive property to polar materials such as polar polymeric materials and the like.Type: GrantFiled: February 25, 1992Date of Patent: March 22, 1994Assignee: Sumitomo Chemical Company, LimitedInventors: Tadayuki Ohmae, Yoshiki Toyoshima, Hisao Tanaka, Mitsuyuki Okada, Harunori Fujita
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Patent number: 5281663Abstract: The present invention relates to a high impact resistant polymeric composition comprising a polyester and a thermally stable modified selectively hydrogenated block copolymer wherein at least one acid compound or a derivative thereof is grafted to the block copolymer. Poly(alkylene terephthalates) are preferred thermoplastic polyesters. The block copolymer will comprise at least one polymeric block of a monoalkenyl arene and at least one polymeric block of at least one conjugated diolefin.Type: GrantFiled: March 31, 1992Date of Patent: January 25, 1994Assignee: Shell Oil CompanyInventors: Richard Gelles, William P. Gergen, Robert G. Lutz, Michael J. Modic
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Patent number: 5278233Abstract: The thermoplastic resin composition disclosed herein comprises:(1) a resin composition consisting of(i) at least one member selected from the group consisting of(a) a modified polypropylene to which has been graft copolymerized an unsaturated carboxylic acid or the derivative thereof,(b) a modified polypropylene to which have been graft comodified an unsaturated aromatic monomer and either an unsaturated carboxylic acid or the derivative thereof,(c) a mixture of the modified polypropylene (a) and a polypropylene,(d) a mixture of the modified polypropylene (b) and a polypropylene,(e) a modified mixture of a polypropylene and a rubbery substance to which mixture has been graft copolymerized an unsaturated carboxylic acid or the derivative thereof,(f) a modified mixture of a polypropylene and a rubbery substance to which mixture have been graft copolymerized an unsaturated aromatic monomer and either an unsaturated carboxylic acid or the derivative thereof,(g) a mixture of the modified mixture (e) and a polypropType: GrantFiled: June 12, 1991Date of Patent: January 11, 1994Assignee: Sumitomo Chemical Company, LimitedInventors: Hiroomi Abe, Takeshi Fujii, Masashi Yamamoto, Shinji Date
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Patent number: 5278237Abstract: Disclosed are a sculpturing resin composition which comprise comprising a polyoctenamer resin and a polyolefin copolymer and/or a modified polyolefin resin, and a process for sculpturing a sculptured product.The sculpturing composition has an excellent property of not shrinking even after elapse a long period of time, and is capable of being molded by hand at moderate temperatures, sculptured or shaved with a chisel, etc., and also being polished or ground with a rasp, etc., in comparison with conventional sculpturing materials.The anti-shrinking property of the polyoctenamer resin is found to be improved specifically by the mixing with a polyolefin copolymer and/or a modified polyolefin resin.Type: GrantFiled: August 7, 1992Date of Patent: January 11, 1994Assignee: DAICEL-Huls Ltd.Inventor: Masami Kita
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Patent number: 5274035Abstract: This invention relates to a tube prepared by the process comprising the steps of (1) blending polymer composition comprising (A) ethylene vinyl acetate copolymer and greater than 0.Type: GrantFiled: December 30, 1991Date of Patent: December 28, 1993Assignee: Ferro CorporationInventor: Deenadayalu Chundury
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Patent number: 5272208Abstract: A modified block copolymer composition comprising a thermoplastic polymer and a modified block copolymer consisting essentially of a base block copolymer of a monovinyl substituted aromatic hydrocarbon polymer block and an olefin compound polymer block having an ethylenic unsaturation degree not exceeding 20%, the base block copolymer having a molecular unit containing a carboxylic acid group and/or a group derived therefrom grafted thereto. The modified block copolymer composition of the present invention is a resinous composition excellent in impact resistance, adhesion, paint adhesion, weatherability, resistance to thermal deterioration, transparency and gloss or a rubbery or leather-like composition excellent in heat resistance, adrasion resistance, compression set resistance, adhesion, transparency, oil resistance, weatherability and resistance to heat aging.Type: GrantFiled: January 10, 1992Date of Patent: December 21, 1993Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Toshinori Shiraki, Fusakazu Hayano, Hideo Morita
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Patent number: 5272209Abstract: A modified block copolymer composition comprising a thermoplastic polymer and a modified block copolymer consisting essentially of a base block copolymer of a monovinyl substituted aromatic hydrocarbon polymer block and an olefin compound polymer block having an ethylenic unsaturation degree not exceeding 20%, the base block copolymer having a molecular unit containing a carboxylic acid group and/or a group derived therefrom grafted thereto. The modified block copolymer composition of the present invention is a resinous composition excellent in impact resistance, adhesion, paint adhesion, weatherability, resistance to thermal deterioration, transparency and gloss or a rubbery or leather-like composition excellent in heat resistance, adrasion resistance, compression set resistance, adhesion, transparency, oil resistance, weatherability and resistance to heat aging.Type: GrantFiled: January 21, 1992Date of Patent: December 21, 1993Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Toshinori Shiraki, Fusakazu Hayano, Hideo Morita
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Patent number: H1403Abstract: Improved compositions comprise polymer blends of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and a polyblend with a rubber modifier incorporated therein, and optionally, an acidic polymer containing moieties of an .alpha.-olefin and an .alpha.,.beta.-ethylenically unsaturated carboxylic acid. The blends demonstrate improved processability and impact strength.Type: GrantFiled: May 21, 1990Date of Patent: January 3, 1995Assignee: Shell Oil CompanyInventor: Eric R. George