Mixture Contains Solid Polymer Derived From Reactant Containing Chalcogen Patents (Class 525/93)
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Patent number: 5605964Abstract: A polymer blend comprising (a) a block copolymer comprising (i) a polystyrene block and (ii) a polydiene block or a hydrogenated polydiene block, said block copolymer (a) being non-maleated; and (b) a polymer comprising a polymerization reaction product of two or more monoethylenically unsaturated monomers in which (i) at least one of the monomers is an acrylic or methacrylic acid ester of a non-tertiary alcohol having 1 to 14 carbon atoms, inclusive, and (ii) at least one of the monomers is a nitrogen-containing monomer and, optionally, (iii) from 1-10 parts, based upon 100 parts of polymer, of a monomer having at least one of carboxylic acid functionality, hydroxy functionality, and epoxy functionality as well as a method of priming a substrate comprising applying the blend to the substrate.Type: GrantFiled: June 22, 1995Date of Patent: February 25, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventor: James D. Groves
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Patent number: 5567769Abstract: Homogeneous polymer blends are prepared from otherwise thermodynamically immiscible polymers, especially including block copolymers. Thus, polymers such as polystyrene/poly(methyl methacrylate) block copolymer or polystyrene/poly(1,2-butadiene) block copolymer are dissolved under pressure in supercritical fluid solvents such as chlorodifluoromethane and n-butane, respectively, and expanded through a fine nozzle. As the SCF solvent evaporates, the polymer deposits as a substantially homogeneous material.Type: GrantFiled: January 30, 1995Date of Patent: October 22, 1996Assignees: The Procter & Gamble Company, The Univ. of DelawareInventors: Annette D. Shine, Steven D. Smith, Isao Noda
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Patent number: 5565275Abstract: Polyester/elastomer composites are produced by vulcanizing a polyester which contains aliphatic double bonds in the presence of a vulcanizate comprising:I. 100 parts by weight of a rubber,II. 0 to 300 parts by weight of fillers,III. 1 to 10 parts by weight of peroxidic vulcanization agent,IV. 0.5 to 4 parts by weight of vulcanization activators,V. 0 to 150 parts by weight of plasticizer andVI. 0.5 to 10 parts by weight of a silane of the formulaX--R'--Si(OR.sup.2).sub.3wherein X contains an aliphatic double bond or an epoxide group.Type: GrantFiled: June 24, 1994Date of Patent: October 15, 1996Assignee: Huels AktiengesellschaftInventors: Friedrich G. Schmidt, Horst Heuer, Thomas Grosse-Puppendahl
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Patent number: 5527576Abstract: This invention relates to plastic containers hermetically sealed with a peelably heat-sealable plastic film comprised of a polymeric mixture comprised of 1-99 parts by weight (pbw) of an impact-resistant polystyrene resin and 99-1 pbw of a copolymer consisting essentially of:p1) 20-90 weight % methyl methacrylate, ethyl methacrylate or a mixture thereof;p2) 10-80 weight % of at least one monomer of formula (I): ##STR1## and where R.sub.1 represents an alkyl group with 3-24 C atoms; andp3) 0-10 weight %, preferably 1-8 weight %, of a monomer which is copolymerizable with and different from the monomers (p1) and (p2).Type: GrantFiled: November 1, 1994Date of Patent: June 18, 1996Assignee: Roehm GmbH Chemische FabrikInventors: Jurgen Maul, Werner Siol, Ulrich Terbrack
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Patent number: 5516824Abstract: A laminating adhesive comprising an adhesive composition which comprises(a) An epoxidized block copolymer of the formula(A-B-A.sub.p).sub.n -Y.sub.r -(A.sub.q -B).sub.mwherein Y is a coupling agent or coupling monomers, andwherein A and B are polymer blocks which may be homopolymer blocks of conjugated diolefin monomers, copolymer blocks of conjugated diolefin monomers or copolymer blocks of conjugated diolefin monomers and monoalkenyl aromatic hydrocarbon monomers, andwherein the A blocks have a higher number of aliphatic double bonds between a tertiary carbon atom and either a primary, secondary, or tertiary carbon atom per unit of block mass than do the B blocks, andwherein the A blocks have a molecular weight from about 100 to about 3000 and the B blocks have a molecular weight from about 1000 to about 15,000, and wherein p and q are 0 or 1 and n>0, r is 0 or 1, m.gtoreq.Type: GrantFiled: January 23, 1995Date of Patent: May 14, 1996Assignee: Shell Oil CompanyInventors: Michael A. Masse, Paul A. Mancinelli, James R. Erickson, Steven H. Dillman, Robert C. Bening, David R. Hansen
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Patent number: 5504156Abstract: A thermoplastic elastomer composition which comprises (I) 99 to 1% by weight of a hydrogenated diene copolymer having a number average molecular weight of 50000 to 700,000 in which 80% or more of the double bonds of the conjugated diene portion of the conjugated diene polymer have been saturated, (II) 1 to 99% by weight of an ionomer resin having an .alpha.-olefin unit having 2 to 8 carbon atoms and an .alpha.,.beta.-unsaturated carboxylic acid unit, at least part of the carboxyl group of said unsaturated carboxylic acid unit having been neutralized with a metal ion, and (III) 0 to 70% by weight of a polyolefin resin, provided that (I)+(II)+(III)=100% by weight. Said composition is excellent in moldability and gives a molded article excellent in transparency, flexibility, mechanical strength, heat resistance and impact resilience.Type: GrantFiled: December 14, 1994Date of Patent: April 2, 1996Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Yoshiyuki Takezaki, Junji Kojina, Kazumi Nejigaki, Yoshihisa Fujinaga
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Patent number: 5480932Abstract: A polypropylene resin composition comprising: (a) 50 to 90% by weight of polypropylene, (b) 50 to 10% by weight of an ethylene-.alpha.-olefin copolymer elastomer having a Mooney viscosity (ML 1+4 (100.degree. C.)) of 10 to 100, (c) 0.5 to 10 parts by weight per 100 parts by weight of the total of the amounts of the components (a) and (b) of a linear olefinic polymer containing hydroxyl group which is liquid at room temperature, and (d) 0.5 to 15 parts by weight per 100 parts by weight of the total of the amounts of the components (a) and (b) of a linear olefinic polymer having a melting point of about 70.degree. to about 90.degree. C. and a number-average molecular weight of 1500 to 6000 and containing hydroxyl group or carbonyl group; and a protective strip for automobiles using the polypropylene resin composition are disclosed. Coating immediately after degreasing is made possible and excellent property for coating can be provided by using the polypropylene resin composition.Type: GrantFiled: June 27, 1994Date of Patent: January 2, 1996Assignees: Idemitsu Petrochemical Co., Ltd., Honda Giken Kogyo Kabushiki KaishaInventors: Yutaka Kobayashi, Osamu Aoki, Kenji Hamabe, Atsushi Takeuchi, Takayuki Onda
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Patent number: 5470914Abstract: There are disclosed novel, solid, elastomeric block copolymers with improved resistance to cold flow wherein either 1) the terminal blocks are each a polymer (I polymer) of at least one conjugated diene I, e.g., isoprene, which contains at least five carbon atoms with at least one of each pair of double-bonded carbon atoms in the polymerized diene I units being additionally single-bonded to two carbon atoms; at least one middle or interior block is a hydrogenated polybutadiene (B polymer); and at least one middle or interior block is an essentially straight chain polyethylene (E polymer) resulting from the hydrogenation of a polybutadiene composed of at least 80% of 1,4- units; or 2) the terminal blocks are random IB copolymers of at least one diene I as previously defined and hydrogenated butadiene, and at least one middle or interior block is a straight chain polyethylene (E polymer) as previously defined.Type: GrantFiled: March 13, 1995Date of Patent: November 28, 1995Assignee: Mobil Oil CorporationInventors: Thomas S. Coolbaugh, Frederick C. Loveless, Demetreos N. Matthews
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Patent number: 5449722Abstract: Disclosed is a thermoplastic resin composition comprising:30 to 97% by weight of at least one of (a) a crystalline thermoplastic resin component and (b) a non-crystalline thermoplastic resin component, 3 to 70% by weight of (c) a rubbery polymer component which is ununiformly mixed with at least one of Component (a) and Component (b) and 0 to 40% by weight of (d) an inorganic filler,wherein Component (c) forms a network and at least one of the ratio of flexural modulus of Component (a) to Component (c) and that of Component (b) to Component (c) is 5 or more.Type: GrantFiled: March 18, 1994Date of Patent: September 12, 1995Assignee: Mitsubishi Petrochemical Co., Ltd.Inventors: Koji Nishida, Kiyoji Takagi, Hironari Sano, Motohiro Seki
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Patent number: 5446095Abstract: Compatible polymer blends PM, exhibiting a single glass transition temperature Tg comprise(A) 0.1-99.9 wt. % of a polymer P1 comprising at least 95 wt. % styrene; and(B) 99.9-0.1 wt % of a polymer P2 comprising(a) more than 90 wt. % and up to 100 wt. % of ethyl methacrylate, and(b) 0 wt. % up to less than 10 wt. % of at least one monomer copolymerizable with ethyl methacrylate, provided that (a) plus (b) add up to 100 wt. %.The compatible polymer blends may be formulated with another polymer P3, chemically differentiable from P1 and P2, with P3 being incompatible with P1, P2 and PM, to form compositions of better impact resistance than PM. The compatible polymer blends find use in the production of weather-resistant items; data-storage discs, especially for optically readable information; and optical gradient fibers.Type: GrantFiled: December 17, 1993Date of Patent: August 29, 1995Assignee: Rohm GmbH Chemische FabrikInventors: Werner Siol, Erwin Felger, Ulrich Terbrack
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Patent number: 5446094Abstract: A thermoplastic coupling agent mixture (A) containinga) 5 to 95% by weight of an ethylene copolymer (A.sub.I) having minor amounts of polar comonomers, andb) 5 to 95% by weight of a copolymer (A.sub.II) of aromatic monovinyl comonomers and conjugated dienesis suitable in particular as a component in thermoplastic polymer mixtures that contain polyolefins (B), copolymers of styrene (C), and also if appropriate further thermoplastic polymers (D), and the components (B), (C) and if appropriate (D) may also be used in the form of reprocessed polymers obtainable by regranulating molded parts produced from the relevant materials.Type: GrantFiled: August 17, 1993Date of Patent: August 29, 1995Assignee: BASF AktiengesellschaftInventors: Martin Weber, Friedrich Seitz, Andreas Jung, Norbert Guentherberg
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Patent number: 5432235Abstract: The present invention relates to a heat-sealable and peelable film for polystyrene containers, consisting of at least one thin film comprising a mixture (a) of polystyrene and (b) of one or more copolymer(s) of ethylene and of acrylic derivatives.It also relates to a process for sealing a polystyrene container by means of said film and to the heat-sealed polystyrene container thus obtained.Type: GrantFiled: August 8, 1994Date of Patent: July 11, 1995Assignee: Elf Atochem S.A.Inventors: Jean-Francois Arsac, Catherine Bonabal, Betty Laurent
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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: 5412027Abstract: Homogeneous polymer blends are prepared from otherwise thermodynamically immiscible polymers, especially including block copolymers. Thus, polymers such as polystyrene/poly(methyl methacrylate) block copolymer or polystyrene/poly(1,2-butadiene) block copolymer are dissolved under pressure in supercritical fluid solvents such as chlorodifluoromethane and n-butane, respectively, and expanded through a fine nozzle. As the SCF solvent evaporates, the polymer deposits as a substantially homogeneous material.Type: GrantFiled: November 19, 1993Date of Patent: May 2, 1995Assignees: The Procter & Gamble Company, The Univ. of DelewareInventors: Annetta D. Shine, Steven D. Smith, Isao Noda
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Patent number: 5412035Abstract: Pressure-sensitive adhesive (PSA) compositions containing a crystalline polymeric additive having an M.sub.w of less than 25,000 and a melting point (T.sub.a) greater than 23.degree. C., preferably 30.degree. to 60.degree. , and PSA composites of a backing, preferably a flexible backing, with such a PSA composition coated thereon. The presence of the additive causes the PSA to lose adhesive strength when heated to T.sub.a. The base resin of the PSA is preferably a polyacrylate or a styrene/butadiene copolymer. The additive, which is preferably present in amount 1 to 35%, e.g. 5 to 30%, is preferably a side chain crystallizable (SCC) polymer.Type: GrantFiled: August 12, 1992Date of Patent: May 2, 1995Assignee: Landec CorporationInventors: Edward E. Schmitt, Raymond Clarke, Andrew W. Larson, Steven P. Bitler, Ross S. Tsugita, Donald A. Schultz
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Patent number: 5409991Abstract: A thermoplastic propylene resin composition of the present invention is obtained by blending an epoxy group containing copolymer (G) and a rubber-like material (H) and/or a modified rubber-like material (I) with a resin omposition composed of a polyamide resin (F) and a polypropylene type resin (E).The thermoplastic propylene resin composition can easily be processed into molded products, films or sheets by injection molding, extrusion molding or the like, giving products which have a good balance in various physical properties and a uniform and smooth appearance. It is suitable for purposes in which especially high heat resistance, impact resistance and low-temperature impact resistance are required.Type: GrantFiled: March 8, 1994Date of Patent: April 25, 1995Assignee: Sumitomo Chemical Company, LimitedInventors: Tatsuyuki Mitsuno, Takeshi Fujii, Masashi Yamamoto, Kentaro Yamaguchi, Kiyoshi Mitsui
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Patent number: 5399620Abstract: Linear, star or dendrimeric block copolymers are composed of from 10 to 90% by weight of at least one block of one or more acrylates of an alcohol of 1 to 8 carbon atoms and from 10 to 90% by weight of at least one block of one or more methacrylates of an alcohol of 1 to 8 carbon atoms, each block having a number average molecular weight of from 1,000 to 100,000 g/mol and the quotient M.sub.w /M.sub.n (weight average/number average) of each block being less than 2, and said block copolymers may be blended with styrene copolymers or acrylate copolymers and, if required, acrylate rubbers.Type: GrantFiled: September 16, 1993Date of Patent: March 21, 1995Assignee: BASF AktiengesellschaftInventors: Norbert Niessner, Friedrich Seitz
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Patent number: 5393818Abstract: A laminating adhesive comprising an adhesive composition which comprises(a) An epoxidized block copolymer of the formula(A--B--A.sub.p).sub.n --Y.sub.r --(A.sub.q --B).sub.mwherein Y is a coupling agent or coupling monomers, and wherein A and B are polymer blocks which may be homopolymer blocks of conjugated diolefin monomers, copolymer blocks of conjugated diolefin monomers or copolymer blocks of conjugated diolefin monomers and monoalkenyl aromatic hydrocarbon monomers, and wherein the A blocks have a higher number of aliphatic double bonds between a tertiary carbon atom and either a primary, secondary, or tertiary carbon atom per unit of block mass than do the B blocks, and wherein the A blocks have a molecular weight from about 100 to about 3000 and the B blocks have a molecular weight from about 1000 to about 15,000, and wherein p and q are 0 or 1 and n>0, r is 0 or 1, m.gtoreq.Type: GrantFiled: April 6, 1993Date of Patent: February 28, 1995Assignee: Shell Oil CompanyInventors: Michael A. Masse, Paul A. Mancinelli, James R. Erickson, Steven H. Dillman, Robert C. Bening, David R. Hansen
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Patent number: 5370813Abstract: Disclosed are resin compositions comprising (a) a polyphenylene ether resin, a styrene resin or mixtures thereof, (b) a styrenic grafted propylene polymer material, (c) one or more monoalkenyl aromatic hydrocarbon-conjugated diene block copolymers, hydrogenated products thereof or mixtures thereof, and optionally, (d) a propylene polymer material.Type: GrantFiled: February 25, 1994Date of Patent: December 6, 1994Assignee: Himont IncorporatedInventors: Anthony J. DeNicola, Jr., Ralph A. Guyer
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Patent number: 5364908Abstract: Resin compositions of improved dispersibility and mechanical properties are obtained by polymerizing a polymerizable compound (A), insitu in a melted thermoplastic resin (B), in the presence of a dispersant (C) reactive or compatible with at least one of the resin (B) and polymerizate of (A).Suitable dispersants include those represented by the general formula (1) or (2)R.sub.1 --L(X--M--X--L).sub.n X--M--R.sub.2 (1)R.sub.1 --L(X--M--X--L).sub.n --R.sub.2 (2)wherein R.sub.1 and R.sub.2 are groups, such as hydrocarbyl acyl, alkoxy, hydroxyl, mercapto, amino, epoxy, isocyanate, carboxylic, carboxylic anhydride, carboxylic halide and aldehyde groups; L and M are residues of a polymer having a number average molecular weight of about 500-about 3,000,000, the difference in solubility parameter between the residue L or M and the resin (B) or polymerizate of (A) being not more than 0.Type: GrantFiled: July 19, 1991Date of Patent: November 15, 1994Assignee: Sanyo Chemical Industries, Ltd.Inventors: Masafumi Oishi, Hiroshi Nishimoto, Takao Ando, Yukio Shibata, Toshiaki Okamoto, Katsura Gohda
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Patent number: 5362808Abstract: Partially crosslinked polyolefin blends containa) a polymer of from 25 to 97% by weight of a propylene polymer (I), which contains from 0 to 15% by weight of polymerized C.sub.2 -C.sub.10 -alka-1-enes, and of from 3 to 75% by weight of a further propylene polymer (II) which contains from 15 to 80% by weight of polymerized C.sub.2 -C.sub.10 -alka-1-enes,b) a random ethylene copolymer containing from 5 to 20% by weight of polymerized C.sub.3 -C.sub.10 -alk-1-enes and having a density of from 0.89 to 0.925 g/cm.sup.3 at room temperature,c) a rubber-like material having a Shore A hardness of from 30 to 90 andd) a bismaleimido compound of the following formula (I) ##STR1## where R is C.sub.1 -C.sub.20 -alkyl which may be interrupted by one or more oxygen atoms,C.sub.5 -C.sub.7 -cycloalkyl or C.sub.6 -C.sub.15 -aryl, each of which in turn may be substituted by one or more C.sub.1 -C.sub.10 -alkyl and/or C.sub.1 -C.sub.6 -alkoxy and/or C.sub.1 -C.sub.Type: GrantFiled: June 7, 1993Date of Patent: November 8, 1994Assignee: BASF AktiengesellschaftInventors: Sibylle Brosius, Bernd L. Marczinke, Harald Schwager
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Patent number: 5360874Abstract: A sintered film containing a copolymer and optionally other common additives is described. The film contains about 30 to 70 parts by weight of a propylene copolymer with a melt index MFI 230/2.16 of at least approximately 3 g./10 min. and about 70 to 30 parts by weight of an ethylene-ethyl acrylate copolymer with a melt index MFI 230/2.16 of at least approximately 3 g./10 min. and with a Vicat softening point of at least about 40. The ethylene-ethyl acrylate copolymer contains approximately 7 to 35 wt % of ethyl acrylate. This film exhibits advantageous properties, particularly a good Shore A hardness.Type: GrantFiled: April 28, 1993Date of Patent: November 1, 1994Assignee: J. H. Benecke AGInventors: Roland Wolff, Axel Bruder
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Patent number: 5360867Abstract: This invention relates to novel reactive amino or hydrazino peroxides (hereinafter generally referred to as "AHP's") and derivatives all having a Structure A: ##STR1## in which the definitions of P, R11, R22, X, Q and x, y and z are given in the Summary Of The Invention section, for example, 4,4-di-(t-butylperoxy)pentanohydrazide (I-1), and the use of these novel compounds in curing unsaturated polyester resins, in initiating polymerization of ethylenically unsaturated monomers, for modifying rheology, for crosslinking and curing olefin polymers and elastomers, for producing novel graft and block copolymers, and for producing novel polymers with covalently bound performance additive functions.Type: GrantFiled: December 17, 1993Date of Patent: November 1, 1994Assignee: ELF Atochem North America, Inc.Inventor: Jose Sanchez
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Patent number: 5330829Abstract: An elastomeric composition is prepared containing an amorphous propylene/hexene copolymer and an elastomer selected from styrene butydiene styrene block copolymers.Type: GrantFiled: November 15, 1993Date of Patent: July 19, 1994Assignee: Eastman Chemical CompanyInventor: Richard A. Miller
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Patent number: 5322894Abstract: A thermoplastic resin composition of the present invention contains at least one modified polypropylene resin or resin composition and an epoxy group-containing copolymer, which thermoplastic resin composition is suitably usable where a high-level balance among the properties is required, since said composition has easy processability into molded articles, films and sheets and can give products having well balanced properties among stiffness, heat resistance, impact resistance, scratch resistance, coatability, oil resistance, chemical resistance, water resistance, etc. and having excellent appearance, uniformity and smoothness.Type: GrantFiled: January 29, 1991Date of Patent: June 21, 1994Assignee: Sumitomo Chemical Company, LimitedInventors: Takeshi Fujii, Masashi Yamamoto
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Patent number: 5320899Abstract: The tensile properties of elastic polymer films which contain thermoplastic block copolymer compositions and ethylene/vinyl acetate copolymers are improved by replacing some of the ethylene/vinyl acetate with a polyolefin having low crystallinity. The increase in tensile strength occurs without significant loss of elasticity and is most significant when the polyolefin is an ultra-low density polyolefin.Type: GrantFiled: October 12, 1993Date of Patent: June 14, 1994Assignee: Shell Oil CompanyInventor: Lie K. Djiauw
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Patent number: 5310804Abstract: The morphology of a polymer alloy displaying miscibility over some region of composition and temperature may be varied by thermodynamically altering the miscibility, such as raising the temperature for an LCST system, to phase separate the components then quenching the alloy below the glass transition temperature of the matrix phase. Such phase separated alloys have improved toughness.Type: GrantFiled: June 5, 1992Date of Patent: May 10, 1994Assignee: Novacor Chemicals (International) S.A.Inventors: Gregory Beaucage, Richard S. Stein
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Patent number: 5310823Abstract: A polyacetal resin composition having a volume resistivity lower than 10.sup.14 [.OMEGA..multidot.cm], which comprises (A) 100 parts by weight of a polyacetal resin and (B) 1 to 100 parts by weight of a polyether ester block copolymer which is derived from (a) a dicarboxylic acid component composed mainly of terephthalic acid, (b) a glycol component composed mainly of 1,4-butanediol and (c) a poly(ethylene oxide)glycol having a number average molecular weight of 500 to 20,000 and has a poly(ethylene oxide) dicarboxylate unit content of 20 to 95% by weight, has excellent antistatic characteristics and mechanical characteristics, and especially a high impact resistance.Type: GrantFiled: February 24, 1993Date of Patent: May 10, 1994Assignee: Toray Industries, Inc.Inventors: Masaki Kunitomi, Hiromitsu Ishii, Yoshiyuki Yamamoto
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Patent number: 5310796Abstract: An adhesive composition containing a linear polyester polyurethane, a halogenated polyolefin, an epoxy/silane adduct, a Diels-Alder adduct of a halogenated cyclic conjugated diene and a block copolymer of styrene and butadiene and a crosslinking compound for the linear polyester polyurethane. The adhesive composition is preferably utilized as a two-component adhesive for bonding vinyl polymers such as polyvinyl chloride to various substrates such as glass. The adhesive composition exhibits substantial resistance to environmental conditions without the requirements of a pre-heating step.Type: GrantFiled: March 23, 1993Date of Patent: May 10, 1994Assignee: Lord CorporationInventors: Patrick A. Warren, William S. Pfister, Mark A. Weih
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Patent number: 5304606Abstract: A thermoplastic resin composition according to the present invention comprises a polymer comprising recurring units derived from a polycyclic (meth)acrylate represented by the following formula [I] and a soft polymer in the proportion by weight of the polymer to the soft polymer of 99:1 to 40:60 ##STR1## where m is 0 or a positive integer, n is 0 or 1, R is hydrogen or methyl, R.sup.1 -R.sup.18 are each independently an atom or a group selected from the group consisting of hydrogen, halogen and hydrocarbon groups, R.sup.15 -R.sup.18, linked together, may form a monocyclic or polycyclic group which may have a double bond, or an alkylidene group, p is 0 or 1, and R.sup.a and R.sup.b each independently represent a hydrogen atom or a hydrocarbon group when p is 1.Type: GrantFiled: March 15, 1993Date of Patent: April 19, 1994Assignee: Mitsui Petrochemical Industries, Ltd.Inventor: Yohzoh Yamamoto
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Patent number: 5294677Abstract: Many cleaners, are extremely hard on many plastic products causing environmental stress cracking. Small household articles made from a polymer alloy of a clear brittle styrenic acrylate, a rubbery block styrene-diene copolymer, and a ductile styrene-diene polymer when exposed to such cleaners have significantly less environmental stress cracking.Type: GrantFiled: September 12, 1991Date of Patent: March 15, 1994Assignee: Novacor Chemicals (International) S.A.Inventors: Deborah I. Hauser, Michael B. Colella, William G. Blasius, Jr.
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Patent number: 5290862Abstract: A tough polymer alloy is provided and comprises:(i) from 30 to 83 weight percent of a brittle polymer;(ii) from 3 to 50 weight percent of a rubbery polymer; and(iii) from 15 to 67 weight percent of a ductile polymer provided that the ductile polymer and the rubbery polymer are at least compatible.Type: GrantFiled: October 13, 1992Date of Patent: March 1, 1994Assignee: Novacor Chemicals (International) S.A.Inventor: William G. Blasius
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Patent number: 5290866Abstract: The present invention relates to a film comprising a low density linear ethylene copolymer of ethylene and a higher olefin and up to about 10 percent by weight of the total composition of an acrylic polymer.Type: GrantFiled: April 16, 1992Date of Patent: March 1, 1994Assignee: Mobil Oil CorporationInventors: David V. Dobreski, Jack J. Donaldson
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Patent number: 5278257Abstract: Compositions containing A) a copolymer based on at least one 1,3-diene and at least one polar, ethylenically unsaturated comonomer and B) a phenol-terminated polyurethane, polyurea or polyurea-urethane of the formula I ##STR1## in which m is 1 or 2, n is 2 to 6, R.sup.1 is the n-valent radical of an elastomeric prepolymer which is soluble or dispersible in epoxide resins, X and Y independently of one another are --O-- or --NR.sup.3 --, it being necessary for one of these groups to be --NR.sup.3 --, R.sup.2 is an m+1-valent radical of a polyphenol or aminophenol after the removal of the phenolic hydroxy group(s) or the amino group or both the amino group and the phenolic hydroxyl group, respectively, and R.sup.3 is hydrogen, C.sub.1 -C.sub.6 alkyl or phenyl, are described.Compounds containing the components A) and B) as well as an epoxide resin C) are also described.The cured products are distinguished by a high peel strength and high resistance to crack propagation.Type: GrantFiled: January 21, 1992Date of Patent: January 11, 1994Assignee: Ciba-Geigy CorporationInventors: Rolf Mulhaupt, Jeremy H. Powell, Christopher S. Adderley, Werner Rufenacht
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Patent number: 5274037Abstract: An elastomeric composition is prepared containing an amorphous propylene/hexene copolymer and an elastomer selected from styrene butadiene styrene block copolymers.Type: GrantFiled: July 31, 1992Date of Patent: December 28, 1993Assignee: Eastman Kodak CompanyInventor: Richard A. Miller
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Patent number: 5266365Abstract: The present invention is directed to an epoxy-containing polymeric material having nonlinear optical properties, particularly a glycidyl amine polymer, and a process for making the nonlinear optical (NLO) epoxy-containing polymeric material including poling the polymeric material under high voltage at elevated temperature for a period of time to bring about orientation of the nonlinear optical functionalities in the polymer. The polymers have enhanced thermal stability and good NLO properties.Type: GrantFiled: February 28, 1992Date of Patent: November 30, 1993Assignee: The Dow Chemical CompanyInventors: John J. Kester, H. Craig Silvis
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Patent number: 5262485Abstract: A thermoplastic resin composition according to the present invention comprises a polymer comprising recurring units derived from a polycyclic (meth)acrylate represented by the following formula [I] and a soft polymer in the proportion by weight of the polymer to the soft polymer of 99:1 to 40:60 ##STR1## wherein m is 0 or a positive integer, n is 0 or 1, R is hydrogen or methyl, R.sup.1 -R.sup.18 are independently an atom or a group selected from the group consisting of hydrogen, halogen and hydrocarbon groups, R.sup.15 -R.sup.18, linked together, may form a monocyclic or polycyclic group which may have a double bond, or an alkylidene group, p is 0 or 1, and R.sup.a and R.sup.b each independently represent a hydrogen atom or a hydrocarbon group when p is 1.Type: GrantFiled: January 16, 1992Date of Patent: November 16, 1993Assignee: Mitsui Petrochemical Industries, Ltd.Inventor: Yohzoh Yamamoto
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Patent number: 5248373Abstract: The present invention relates to a method for making a composite article by applying an adhesive composition to one side of each of two foils of metal. The adhesive composition contains an ethylene/acrylic acid copolymer and a thermoplastic styrene/diene block copolymer. A sheet of fiber-reinforced polypropylene is subjected to heat-lofting. Finally, the adhesive coated metal foils are mated on opposite sides of the heat-lofted polypropylene sheet under elevated temperature and pressure.Type: GrantFiled: December 30, 1991Date of Patent: September 28, 1993Assignee: General Electric CompanyInventors: Michael G. Minnick, Atul Govil
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Patent number: 5248367Abstract: The present invention relates to a method for making a composite article by applying an adhesive composition to one side of each of two foils of metal. The adhesive composition contains an ethylene/acrylic acid copolymer and linear low density polyethylene and thermoplastic styrene/diene block copolymer. A sheet of fiber-reinforced polypropylene is subjected to heat-lofting. Finally, the adhesive coated metal foils are mated on opposite sides of the heat-lofted polypropylene sheet under elevated temperature and pressure.Type: GrantFiled: December 30, 1991Date of Patent: September 28, 1993Assignee: General Electric CompanyInventors: Michael G. Minnick, Atul Govil
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Patent number: 5248369Abstract: The present invention relates to a method for making a composite article by applying an adhesive composition to one side of each of two foils of metal. The adhesive composition contains an ethylene/acrylic acid copolymer and linear low density polyethylene and thermoplastic styrene/diene block copolymer. A sheet of fiber-reinforced polypropylene is subjected to treating with a coating of a second thermoplastic styrene/diene block copolymer. Finally, the adhesive coated metal foils are mated on under elevated temperature and pressure.Type: GrantFiled: December 30, 1991Date of Patent: September 28, 1993Assignee: General Electric CompanyInventors: Michael G. Minnick, Atul Govil
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Patent number: 5248368Abstract: The present invention relates to a method for making a composite article by applying an adhesive composition to one side of each of two foils of metal. The adhesive composition contains an ethylene/acrylic acid copolymer and a thermoplastic styrene/diene block copolymer. A sheet of fiber-reinforced polypropylene has both of its sides coated with a second thermoplastic styrene block/diene block copolymer which includes an acid or acid anhydride component. Finally, the adhesive coated metal foils are mated with the treated polypropylene sheet under elevated temperature and pressure for forming the composite article.Type: GrantFiled: December 30, 1991Date of Patent: September 28, 1993Assignee: General Electric CompanyInventors: Michael G. Minnick, Atul Govil
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Patent number: 5246523Abstract: The present invention relates to a method for making a composite article by applying an adhesive composition to one side of each of two foils of metal. The adhesive composition contains an ethylene/acrylic acid copolymer and linear low density polyethylene. A sheet of fiber-reinforced polypropylene is subjected to treating with a coating of a thermoplastic styrene/diene block copolymer. Finally, the adhesive coated metal foils are mated on under elevated temperature and pressure.Type: GrantFiled: December 30, 1991Date of Patent: September 21, 1993Assignee: General Electric Corp.Inventors: Michael G. Minnick, Atul Govil
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Patent number: 5231142Abstract: A rubber-modified styrene-based resin composition comprising (A) 70 to 92% by weight of a styrene-based polymer and 30 to 8% by weight of a rubbery polymer wherein the rubbery polymer is dispersed in the styrene-based polymer in the form of particles having an occlusion structure with a plane of symmetry, an area average particle diameter of 0.1 to 0.7 .mu.m, and a ratio of area average particle diameter to number average particle diameter of 1.0 to 2.5, the weight ratio of gel content to rubbery polymer is 1.1:1 to 4.0:1, and the swelling index is 5 to 20. The styrene-based resin composition has excellent physical properties and can be used as a material for office automation equipment, home electric appliances, sheets and so on.Type: GrantFiled: February 28, 1990Date of Patent: July 27, 1993Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Yutaka Tsubokura, Yoshiyuki Suetsugu, Shinichi Nakamura, Eiichi Terada
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Patent number: 5216074Abstract: A thermoplastic elastomer composition comprising 99-1 parts by weight of (i) a hydrogenated diene polymer which is a hydrogenation product of a straight or branched chain block copolymer consisting of (C) a polybutadiene block segment having a 1,2-vinyl content of not more than 20% and (D) a block segment which is a polybutadiene or an alkenyl aromatic compound-butadiene copolymer, the butadiene portion of which has a 1,2-vinyl content of 25-95% and 1-99 parts by weight of (ii) at least one of a thermoplastic resin or a rubbery polymer.Type: GrantFiled: July 13, 1990Date of Patent: June 1, 1993Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Takateru Imai, Masanobu Nagano, Masaaki Mawatari, Toshio Teramoto, Minoru Hasegawa
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Patent number: 5206301Abstract: A hydrogenated block copolymer having a number-average molecular weight of 40,000-700,000, obtained by hydrogenating at least 80% of the olefinic bonds of a block copolymer having in the molecule at least one each ofa polymer block A composed of 90% by weight or more of a vinyl aromatic compound,a polybutadiene polymer block B having a 1,2-vinyl structure of 30-70%, anda polybutadiene polymer block C having a 1,2-vinyl structure of less than 30%,in which block copolymer the blocks A, B and C are contained at a specific ratio, or a unit of the block copolymer is bonded, via a coupling agent residue, to at least one polymer block unit of the blocks A, B and C and thereby the polymer molecular chain is extended or branched; and a thermoplastic resin composition comprising the hydrogenated block copolymer.Type: GrantFiled: July 12, 1990Date of Patent: April 27, 1993Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Iwakazu Hattori, Noboru Oshima, Tooru Shibata, Yasuo Takeuchi
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Patent number: 5204390Abstract: The invention relates to a PSA hot melt composition that exhibits adhesive stability when exposed to ultraviolet light and is stable when contacted with plasticized surfaces.Type: GrantFiled: July 16, 1992Date of Patent: April 20, 1993Assignee: H.B. Fuller CompanyInventors: James P. Szymanski, Eugene R. Simmons, Jeffrey S. Lindquist
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Patent number: 5198496Abstract: Following this procedure for the production of thermoplastic elastomer mixtures, dynamic vulcanization is performed at temperatures ranging between approximately 125 and 250 deg. C. and preferably between 150 and 200 deg. C., and with the aid of a free radical generating agent, on a mixture made up of: a) 95-60% by weight of one or several thermoplastic block copolymers of a monoalkenylarene and a coupled diene having at least two end blocks of monoalkenylarene polymer A and at least one middle block of a polymer of coupled diene O the content of said block A ranging between approximately 8 and 55% by weight respect to the copolymer, whose flow rate must exceed 0.01 and b) 5-40% by weight of one or several copolymers of ethylene and vinyl acetate, containing approximately between 5 and 50% by weight of vinyl acetate, preferably between 15 and 35% of vinyl acetate and with a flow rate between approximately 0.1 and 50, preferably between 0.1 and 10.Type: GrantFiled: December 13, 1990Date of Patent: March 30, 1993Assignee: Pepsol Quimica S.A.Inventors: Juan M. A. Alvarez, Eusebio F. Miron, Jose M. T. Lopez
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Patent number: 5194497Abstract: Polymer alloys containing resin-like polymers of monomers corresponding to formula (I) ##STR1## in which R.sup.1 =H, CH.sub.3,R.sup.2 =C.sub.1-8 alkylene,R.sup.3 =C.sub.1-4 alkyl,and, optionally, other typical vinyl monomers and thermoplastic polymers or graft polymers.Type: GrantFiled: March 15, 1991Date of Patent: March 16, 1993Assignee: Bayer AktiengesellschaftInventors: Karl-Erwin Piejko, Gerd Fengler, Holger Lutjens, Hans-Eberhard Braese, Christian Lindner, Jurgen Kirsch
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Patent number: 5191023Abstract: The present invention relates to rubber-modified styrene copolymer that exhibits excellent rigidity, impact strength, external appearance and fluidity, while retaining rigidity, impact properties and external appearance, and when prepared by copolymerizing a maleimide monomer, has high heat resistance and therefore is suitable for materials for components of electric equipments, electronic equipments, automobiles and business machines.Type: GrantFiled: July 8, 1991Date of Patent: March 2, 1993Assignee: Mitsui Toatsu Chemicals, Inc.Inventors: Mune Iwamoto, Norifumi Ito, Tetsuyuki Matsubara, Kazuo Sugazaki, Toshihiko Ando
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Patent number: RE35398Abstract: Heat shrinkable thermoplastic compositions are prepared by blending an ethylene copolymer resin with an EPDM rubber and dynamically vulcanizing the rubber. The ethylene copolymer resin is a copolymer of ethylene with an alkyl ester of an alpha, beta monoethylenically unsaturanated monocarboxylic acid as well as copolymers of ethylene with the acid per se. The preferred copolymer is ethylene-vinylacetate copolymer. Uncured rubber can be included in the composition.Type: GrantFiled: September 25, 1995Date of Patent: December 10, 1996Assignee: Advanced Elastomer Systems, L.P.Inventors: Donald R. Hazelton, Robert C. Puydak