Solid Polymer Derived From Ethylenic Reactants Only Derived From Unsaturated Hydrocarbon Patents (Class 525/177)
  • Patent number: 5115022
    Abstract: Impact modified thermoplastic blends of components A, B and optionally C, consisting of:A) from 99 to 60 percent by weight of a polymeric rigid matrix consisting of polybutylene terephthalate or polyethylene terephthalateB) from 1 to 40 percent by weight of a polymeric flexibilizing component comprisingb1) 100-60 percent by weight of a monomer from the group of the 1,3-dienes which is present as copolymerized units andb2) 0-40 percent by weight of an aromatic vinyl compound present as copolymerized units andC) optionally customary additives in customary amounts, the polymers of flexibilizing component B having amino end groups, are used for producing moldings.
    Type: Grant
    Filed: February 20, 1990
    Date of Patent: May 19, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Bronstert, Hans-Dieter Schwaben, Adolf Echte
  • Patent number: 5089309
    Abstract: A semitransparent resin container having a pearly luster is disclosed, comprising a thermoplastic resin composition comprising from 99.1 to 99.9% by weight of a polyester resin and from 0.1 to 0.9% by weight of polymethylpentene, produced by performing said composition followed by biaxial stretch blow molding. The container assumes a deep pearly appearance and also has semitransparency for letting its content be seen from the outside. The container can be produced with satisfactory molding properties at low cost.
    Type: Grant
    Filed: November 17, 1989
    Date of Patent: February 18, 1992
    Assignee: Shiseido Co., Ltd.
    Inventors: Ryoji Odate, Tomoyuki Haga
  • Patent number: 5089559
    Abstract: Fire retardant salts of organic-phosphorus acid compounds are produced by mixing and reacting an organic compound with an acidic salt-forming phosphorus compound to produce an organic-phosphorus acidic compound which is then reacted with a salt-forming basic compound. These fire retardant compounds are mixed with plastics to produce fire retardant plastics.
    Type: Grant
    Filed: November 6, 1990
    Date of Patent: February 18, 1992
    Inventor: David H. Blount
  • Patent number: 5077338
    Abstract: A method of preparing a fiber reinforced elastomer by forming fibers therein in-situ and an elastomer made thereby are provided. In the method, a fiber forming material, preferably a high performance polymer, is dissolved in a compatible solvent to form a solvent/polymer mixture, and the mixture is added to the elastomer during compounding or mixing. The polymer is quickly dispersed into the elastomer, and the solvent rapidly evaporates. The shear of the mixer causes elongation of the polymer into fibers. The fibers may also be oriented by the shear of the mixer.
    Type: Grant
    Filed: August 23, 1990
    Date of Patent: December 31, 1991
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: William C. T. Tung, Deborah A. Tung, Mellis M. Kelley, Douglas C. Callander, 1
  • Patent number: 5051475
    Abstract: The present invention is directed to a polyester film comprising at least at its surface portion oriented sulfonic acid groups and/or salts thereof with an orientation degree of 5-100, which has an excellent adhesiveness, especially excellent anti-alkaline adhesiveness. The present invention also makes it possible to provide a polyester film having, in addition to the excellent adhesiveness, an excellent transparency, antistatic property and waterproof property.
    Type: Grant
    Filed: December 20, 1989
    Date of Patent: September 24, 1991
    Assignee: Toray Industries, Inc.
    Inventors: Kenji Tsunashima, Takashi Mimura, Takashi Sumiya, Hiroshi Kuboyama
  • Patent number: 5049620
    Abstract: It is desirable to increase the modulus of rubbers utilized in a wide variety of applications. This invention discloses a technique for preparing high modulus rubber compositions. By utilizing this technique, high modulus can be attained without sacrificing other properties, such as processability. The subject invention more specifically relates to a process for preparing a high modulus rubber composition which comprises: (1) polymerizing at least one diacid or diacid halid with at least one member selected from the group consisting of diols and diamines in a polymer cement of a rubbery elastomer under conditions which result in the formation of a rubber cement having a polyester or a polyamide dispersed therein; and (2) recovering the high modulus rubber composition from the rubber cement. It is highly desirable to make the high modulus rubber composition by interfacial polymerization.
    Type: Grant
    Filed: December 21, 1989
    Date of Patent: September 17, 1991
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Bruce R. Hahn, Wen-Liang Hsu, Douglas D. Callander, Adel F. Halasa
  • Patent number: 5049615
    Abstract: Novel thermoplastic compositions are provided comprising a blend of a polyindane resin and an engineering thermoplastic such as polyphenylene ethers, polysulfones, polycarbonates, polyether ether ketones, polyarylates, polyamides, polyimides and polyphenylene sulfides. Blends of thermoplastic block copolymers with polyindane resins are also provided. These blends provide improved processability with good physical properties including high impact strength and high heat distortion temperature.
    Type: Grant
    Filed: December 11, 1989
    Date of Patent: September 17, 1991
    Assignee: Hercules Incorporated
    Inventors: Sung G. Chu, Birendra K. Patnaik, Keith S. Shih
  • Patent number: 5043400
    Abstract: A method for producing articles of composite resin, wherein a liquid crystal polymer material in powder form is mixed with a second, melt-processable polymer material; the resulting mixture is kneaded at a temperature at which the second polymer material will melt but at which no deformation of the liquid crystal polymer will be caused so as to prepare a blend comprising the liquid crystal polymer powder uniformly dispersed in the matrix of the second polymer; and the blend is then subjected to a molding or shaping process at a temperature within the range at which the liquid crystal polymer is capable of forming liquid crystals.
    Type: Grant
    Filed: January 23, 1991
    Date of Patent: August 27, 1991
    Assignee: Tosoh Corporation
    Inventors: Akeharu Tsuruta, Hisato Kawaguchi, Tomohiro Ishikawa, Yozo Kondo
  • Patent number: 5026776
    Abstract: Thermoplastic polyester, copolyester and polyblend molding compositions impact-modified by glycidyl methacrylate grafted EPDM exhibit high impact strength combined with good knit-line characteristics, when the grafted comonomer content exceeds 2 percent by weight in the impact modifier, it has a gel content in the range of from about 10 to about 80 weight percent.
    Type: Grant
    Filed: August 23, 1988
    Date of Patent: June 25, 1991
    Assignee: General Electric Company
    Inventors: Charles F. Pratt, Shrikant V. Phadke, Errol Olivier
  • Patent number: 5023137
    Abstract: This invention relates to a thermoplastic resin composition which is particularly suitable for use in thermoforming thin walled articles, such as dual-ovenable trays. Articles which are made utilizing this thermoplastic resin composition have improved low temperature impact strength. These thermoplastic resin compositions are comprised of (a) from about 92 to about 99 weight percent polyethylene terephthalate having an intrinsic viscosity of from at least about 0.7 dl/g; (b) from about 1 to about 8 weight percent of a polyethylene ionomer; and (c) optionally an effective amount of a heat stabilizer. The subject invention also deals with thermoforming such thermoplastic resin compositions into thin walled articles having a crystallinity within the range of about 10% to about 40%.
    Type: Grant
    Filed: March 27, 1989
    Date of Patent: June 11, 1991
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Richard R. Smith, Walter F. Johnston
  • Patent number: 5017657
    Abstract: Rapidly-crystallizing polyester compositions comprising a polyester thermoplastic resin and a styrene polymer having an essentially syndiotactic structure.
    Type: Grant
    Filed: September 5, 1989
    Date of Patent: May 21, 1991
    Assignee: Montedipe S.r.l.
    Inventors: Leonardo Fiore, Italo Borghi, Andrea Mattiussi
  • Patent number: 5011891
    Abstract: The present invention relates to compositions comprising at least one elastomer and at least one plastic. The composition can be produced by preparing the elastomer and then blending it with the plastic. The composition can be subjected to an additional step of curing.
    Type: Grant
    Filed: August 21, 1990
    Date of Patent: April 30, 1991
    Assignee: Exxon Research & Engineering Company
    Inventors: Lawrence Spenadel, Joel H. Grosser, Stephen M. Dwyer
  • Patent number: 5008338
    Abstract: A process is disclosed for preparing hydroxyethers of epoxidized polybutenes wherein the epoxide groups of said epoxidized polybutenes are about 70% trisubstituted and about 20% tetrasubstituted. Hydroxyl compounds are reacted with epoxidized polybutenes to obtain compounds of increased flexibility, water resistance, lubricity, and adhesion as compared with said hydroxyl compounds.
    Type: Grant
    Filed: January 31, 1989
    Date of Patent: April 16, 1991
    Assignee: Amoco Corporation
    Inventors: Wayne T. Riddick, Vincent F. Smith, Jr.
  • Patent number: 5008332
    Abstract: A resin composition comprising an amorphous polymer as component (1), a crystalline polymer as component (2) and a rubber like polymer as component (3), wherein component (1) is dispersed in component (2) and component (3) is dispersed in component (2) in network form is disclosed. The resin composition has excellent mechanical properties such as impact strength, flexural modulus, etc.
    Type: Grant
    Filed: November 17, 1987
    Date of Patent: April 16, 1991
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Hironari Sano, Kenyu Ohno
  • Patent number: 5001192
    Abstract: A polymeric polyblend composition comprising a vinylidene chloride interpolymer, polyvinylchloride, and a compatibilizing amount of a compatabilizing polymer, said polymers being miscible.
    Type: Grant
    Filed: November 9, 1988
    Date of Patent: March 19, 1991
    Assignee: The Dow Chemical Company
    Inventor: Yun C. Sun
  • Patent number: 4996262
    Abstract: It is often desirable to increase the modulus of rubbers utilized in a wide variety of applications. This invention discloses a technique for modifying rubbers to improve their modulus without sacrificing other properties. By utilizing the process of this invention, rubber compositions having increased modulus are prepared by grafting polyester onto rubber. This can be accomplished by reacting a polydiene rubber with a thioacid or maleic anhydride and subsequently with the polyester. It is also possible to prepare such polyester modified rubber compositions by reacting an epoxidized rubber with the polyester.
    Type: Grant
    Filed: March 27, 1989
    Date of Patent: February 26, 1991
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: James B. Pyke, Richard G. Bauer, Donald J. Burlett
  • Patent number: 4987172
    Abstract: A flame-retardant synthetic resin composition comprising a thermoplastic resin selected from the group consisting of polyolefin, acrylonitrile-butadiene-styrene copolymer and ethylene-ethyl acrylate copolymer resins as a base polymer and, incorporated therein (A) a polyester fiber cut into a length smaller than 10 mm and/or a polyester powder having a particle size smaller than 10 mesh and (B) a polyphosphoric acid compound having a higher water resistance, wherein the amount of the thermoplastic resin is 40 to 95% by weight, the total amount of the components (A) and (B) is 5 to 60% by weight and the component (A)/component (B) weight ratio is in the range of from 5/1 to 1/20.
    Type: Grant
    Filed: October 28, 1988
    Date of Patent: January 22, 1991
    Assignee: Marubishi Oil Chemical Co., Ltd.
    Inventors: Ken Higashitsuji, Hiroshi Kimoto, Yasunobu Takahashi, Teruhisa Kojima, Yutaka Nadehara
  • Patent number: 4981904
    Abstract: Stable spray-coatable, water base composition having about 2 percent solids, that dries into glittering film having plurality of reflective surfaces resistant to flaking, comprising: a blend of a surfactant free first solution comprising, butyl methacrylate, butyl acrylate, 2-ethylhexyl acrylate, glacial methacrylic acid and styrene; a blend of a self-crosslinking second solution comprising, 2-ethylhexyl acrylate, butyl methacrylate, glacial methacrylic acid, styrene and at least one cross-linking polymer; a thickener gel; transparent polyethylene terephthalate chips on which a color imparting or reflective material has been vacuum deposited and cured fast by an epoxy resin and ammonia.
    Type: Grant
    Filed: June 9, 1989
    Date of Patent: January 1, 1991
    Inventor: Larry C. Fischer
  • Patent number: 4980418
    Abstract: Disclosed are thermoplastic resins comprising block copolymers composed of polyester segments and vinyl polymer segments and having excellent thermal resistance and moldability, as well as several processes for preparing same. Among these thermoplastic resins, block copolymers formed of amorphous aromatic polyester segments and polystyrene resin segments are also useful as optical resins.
    Type: Grant
    Filed: June 26, 1989
    Date of Patent: December 25, 1990
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Isao Sasaki, Naoki Yamamoto, Hiroshi Mori, Akira Nakata
  • Patent number: 4963430
    Abstract: A flexible oriented plastic sheet of high tensile strength and which is resistant to corrosion and highly resistant to splitting when penetrated by a pointed article. The flexible oriented sheet of the invention can be cut into desired shapes and sizes so as to be useful in a variety of applications, such as roofing batten bars and fencing materials, which require high resistance to splitting and fastener pull-through. The sheets are produced by melt extruding and orienting a composition comprising a major amount of polyethylene terephthalate (PET) and a minor amount of a polyolefin, preferably polypropylene.
    Type: Grant
    Filed: January 6, 1989
    Date of Patent: October 16, 1990
    Assignee: Illinois Tool Works Inc.
    Inventors: Frederick A. Kish, Parimal M. Vadhar
  • Patent number: 4929656
    Abstract: Elastomeric compositions having resistance to hot grease aging are made from a blend of a thermoplastic copolyester elastomer, and chorinated polyethylene with or without the addition of a carbodiimide and a guanidine.
    Type: Grant
    Filed: May 11, 1989
    Date of Patent: May 29, 1990
    Assignee: Hoechst Celanese Corporation
    Inventor: Michael D. Golder
  • Patent number: 4927881
    Abstract: Solvent-resistant resin blends with a wide variety of desirable tensile properties are prepared from a polyphenylene ether having a low proportion of unneutralized amino nitrogen or a blend thereof with a polystyrene; an elastomeric polyester or blend thereof with a poly(ethylene terephthalate) or poly(butylene terephthalate); at least one polyphenylene ether-compatible impact modifier; and a relatively large proportion of at least one polymer containing a substantial proportion of aromatic polycarbonate units as a compatilizing agent.
    Type: Grant
    Filed: April 18, 1988
    Date of Patent: May 22, 1990
    Assignee: General Electric Company
    Inventor: Sterling B. Brown
  • Patent number: 4920174
    Abstract: Impact-resistant polyester molding compounds, comprising an intimate mixture ofA. 60 to 98% by weight of a polyester andB. 2 to 40% by weight of a polyalkenamer, optionally containing functional groups,which is treated with from about 0.05 to 5% by weight, relative to the sum of components A and B, of an organic radical former at temperature sufficient to cause said radical former to decompose into free radicals are provided.
    Type: Grant
    Filed: June 17, 1987
    Date of Patent: April 24, 1990
    Assignee: Huels Aktiengesellschaft
    Inventor: Wilfried Bartz
  • Patent number: 4914145
    Abstract: As an outline of the invention of the present inventors, the gist of the present invention resides in the following:A polyester composition comprising:(A) 100 parts by weight of a substantially linear polyester comprising, as the main constituent unit, ethylene terephthalate;(B) 0.05 to 15 parts by weight of a crystallization promotor; and(C) 0.1 to 15 parts by weight of at least one plasticizer selected from the group consisting of (C.sub.1), (C.sub.2), (C.sub.3) and (C.sub.4) which are defined as follows:(C.sub.1) a condensation product of a compound of the formula (I):(HQ-R).sub.2 S (I)wherein two R groups may be the same as or different from each other and represent a hydrocarbon group selected from the group consisting of aliphatic, alicyclic, and aromatic hydrocarbon groups and any combination thereof, and two Q groups may be the same as or different from each other and represent oxygen or sulfur, with an organic compound containing two alcoholic or phenolic hydroxyl groups:(C.sub.
    Type: Grant
    Filed: June 16, 1987
    Date of Patent: April 3, 1990
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Akira Tohdoh, Takashi Nagai, Takayuki Nakano, Takashi Ueda
  • Patent number: 4912144
    Abstract: Moldable blends of rubber modified styrene/maleic anhydride copolymer, core-shell graft copolymer modified polybutylene terephthalate ester, and styrene-methylmethacrylate copolymer having pendant carboxy ester groups are provided. The compositions of this invention exhibit co-continuous resin phases and facilitate the production of blow molded articles which exhibit ductility.
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: March 27, 1990
    Assignee: Arco Chemical Technology, Inc.
    Inventor: Russell J. McCready
  • Patent number: 4910081
    Abstract: A thermal transfer recording ink composition comprises a resin having a melting point according to JIS-K0064 of 55.degree. to 110.degree. C. and a solidification point according to JIS-K0064 being at least 50.degree. C. lower than the melting point, resin particles having a size of 0.05 to 2.0 microns and a coloring matter. It is coated on film and used repeatedly.
    Type: Grant
    Filed: September 14, 1988
    Date of Patent: March 20, 1990
    Assignee: Kao Corporation
    Inventors: Shinichiro Yamaguchi, Shiro Kawahito, Hiroshi Yashima, Ryuma Mizushima
  • Patent number: 4908052
    Abstract: This invention relates to a fiber comprising a major amount of a continous phase comprising one or more melt processible polyesters of fiber forming molecular weight, and a minor amount of one or more polyolefins non-uniformly dispersed in said continuous phase such that the concentration of polyolefins at or near the surface of said fiber is greater than the concentration of polyesters at or near the surface of said fiber, and a process for preparing said fiber.
    Type: Grant
    Filed: January 23, 1989
    Date of Patent: March 13, 1990
    Assignee: Allied-Signal Inc.
    Inventors: Theodore Largman, Frank Mares, Clarke A. Rodman
  • Patent number: 4891406
    Abstract: The production of high impact strength molding compositions obtained by thermal treatment of synthetic resin mixtures containing predominantly polyalkylene terephthalate, in the solid form, characterized in that the synthetic resin mixture containsA. 70-95% or 60-97% by weight of polyalkylene terephthalate andB. when A is 70-95%, 5-30% by weight of a conventional, elasticizing acrylate graft copolymer, a conventional .alpha.-olefin copolymer or a conventional polyether amide, or when A is 60-97%, 3-40% of a conventional polyether ester amide,and that the synthetic resin mixture is treated at temperatures of 15.degree.-60.degree. C. below the melting point of the pure component A in an inert gas atmosphere.
    Type: Grant
    Filed: July 9, 1987
    Date of Patent: January 2, 1990
    Assignee: Huels Aktiengesellschaft
    Inventors: Josef Bittscheidt, Gernot Horlbeck, Salih Mumcu
  • Patent number: 4859737
    Abstract: A polyester resin composition comprising a poly(alkylene terephthalate), said alkylene radical containing at least 3 carbon atoms, a carboxylated hydrogenated or selectively hydrogenated conjugated diolefin polymer and a transesterification catalyst. It has surprisingly been discovered that when a transesterification catalyst such as p-toluene sulfonic acid is present at a concentration within the range from about 1 mmoles to about 5 mmoles per 100 g of combined polyester and carboxylated, hydrogenated or selectively hydrogenated conjugated diolefin polymer, a significant improvement in impact strength is realized. Inclusion of a transesterification catalyst in the composition, then, enables significant improvement in impact strength even when the carboxylated, hydrogenated or selectively hydrogenated conjugated diolefin polymer is present in the composition at a concentration as low as 17 parts, by weight, per 100 parts, by weight, of polyester.
    Type: Grant
    Filed: November 24, 1987
    Date of Patent: August 22, 1989
    Assignee: Shell Oil Company
    Inventors: Michael J. Modic, Richard Gelles
  • Patent number: 4845158
    Abstract: Polymers of the formula: ##STR1## wherein X is selected from the group consisting of halogen, hydroxyl and alkoxy and n is an integer such that the polymer has a weight average molecular weight within the range of from 5,000 to 30,000 are useful to prepare a wide variety of block copolymer resins such as polycarbonate-polyisobutylene block copolymer.
    Type: Grant
    Filed: August 10, 1987
    Date of Patent: July 4, 1989
    Assignee: General Electric Company
    Inventor: Edward N. Peters
  • Patent number: 4843129
    Abstract: A composition comprising:(a) at least one copolymer having at least one of M.sub.w /M.sub.n less than 2 and M.sub.z /M.sub.w less than 1.8; and(b) at least one plastic composition.The composition can be produced by preparing the elastomer and then blending it with the plastic. The composition can be subjected to an additional step of curing.
    Type: Grant
    Filed: March 3, 1986
    Date of Patent: June 27, 1989
    Assignee: Exxon Research & Engineering Company
    Inventors: Lawrence Spenadel, Joel H. Grosser, Stephen M. Dwyer
  • Patent number: 4837277
    Abstract: A resin composition comprising (A) 80 to 99.5% by weight of poly(4-methyl-1-pentene) and (B) 0.5 to 20% by weight of a thermoplastic resin having a reflective index between 1.48 and 1.80, typically polycarbonate and polyester has high resistance to food stains and a white color without a pigment and is suitable to mold into dishes.
    Type: Grant
    Filed: December 9, 1987
    Date of Patent: June 6, 1989
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventor: Hiromi Shigemoto
  • Patent number: 4818785
    Abstract: A fine particulate crosslinked amorphous copolymer comprising an amorphous copolymer having a constituent unit originating at least from ethylene and .alpha.-olefin, and having an average particle diameter of 0.2 to 50 .mu.m and a hot toluene insolubles content of 15% by weight or more.
    Type: Grant
    Filed: December 9, 1986
    Date of Patent: April 4, 1989
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Yasuhiko Otawa, Tetsuo Tojo, Akira Matsuda, Katsuo Okamoto
  • Patent number: 4806598
    Abstract: A stable, nonreactive, thermoplastic polymer blend comprising from about 10 to about 95 percent by weight of a superabsorbent, thermoplastic polymeric composition and from about 90 to about 5 percent by weight of at least one thermoplastic polymer.
    Type: Grant
    Filed: December 22, 1986
    Date of Patent: February 21, 1989
    Assignee: Kimberly-Clark Corporation
    Inventor: Michael T. Morman
  • Patent number: 4804711
    Abstract: A process which comprises mixing a melt of an amorphous aromatic polyester with a melt of a carboxy terminated polystyrene oligomer, said oligomer having a number average molecular weight of from about 500 to 10,000.
    Type: Grant
    Filed: October 26, 1987
    Date of Patent: February 14, 1989
    Assignee: General Electric Company
    Inventor: Toshio Ishihara
  • Patent number: 4789697
    Abstract: Into a material based on a caoutchouc-type or caoutchouc-containing mixture for producing hard rubber, there is incorporated a pre-mix containing high-strength organic fibers and a liquid hardenable plastic material. The high-strength and temperature resistant material thus obtained is particularly suitable for the attenuation of noise in combustion engines when heavy-weight fillers are also added to such material. Engine components like, for example, valve covers, timing gear covers and oil pans can be manufactured from this material.
    Type: Grant
    Filed: September 9, 1985
    Date of Patent: December 6, 1988
    Assignee: Semperit AG
    Inventors: Josef Affenzeller, Wolf-Dieter Jost
  • Patent number: 4773624
    Abstract: Into a material based on a caoutchouc-type or caoutchouc-containing mixture for producing hard rubber, there is incorporated a pre-mix containing high-strength organic fibers and a liquid hardenable plastic material. The high-strength and temperature resistant material thus obtained is particularly suitable for the attenuation of noise in combustion engines when heavy-weight fillers are also added to such material. Engine components like, for example, valve covers, timing gear covers and oil pans can be manufactured from this material.
    Type: Grant
    Filed: April 28, 1986
    Date of Patent: September 27, 1988
    Assignee: Semperit Aktiengesellschaft
    Inventors: Josef Affenzeller, Wolf-Dieter Jost
  • Patent number: 4754001
    Abstract: Interpenetrating polymer networks prepared from 60 to 99.9% by weight, of a thermoplast and 0.1 to 40% by weight of a thermosetting resin which comprises:(a) at least one polycyanate and(b) from 1 to 40% by weight, based on (a), of at least one polyester having a hydroxyl number of from 28 to 320, a number average molecular weight M.sub.n of from 700 to 8000 and containing from 50 to 92%, by weight, of alcohol residues, acid residues, or both with each of said residues containing cycloaliphatic moieties.
    Type: Grant
    Filed: September 12, 1986
    Date of Patent: June 28, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Johannes Blahak, Rolf Dhein, Lothar Preis, Manfred Schreckenberg
  • Patent number: 4728698
    Abstract: Novel self-reinforced polymer composites of a base polymer with a melt processable liquid crystal polymer are prepared according to this invention. The base polymer is a flexible chain polymer, e.g. a conventional thermoplastic. Polycarbonate is a particularly suitable base polymer. The liquid crystal polymer is melt processable, that is, it has a melting point and exhibits anisotropic properties in the melt phase. Wholly aromatic copolyesters are particularly suitable. Mixing is carried out at a temperature at which both the base polymer and the liquid crystal are melt processable, i.e., at a temperature at which the base polymer flows readily and the liquid crystal polymer is above its melting point. The products of this invention comprise about 2 to 20 percent by weight of liquid crystal polymer, which is in the form of essentially unidirectionally oriented continuous fibers primarily in the range of about 1 to 10 micrometers in diameter, distributed in a matrix of the base polymer.
    Type: Grant
    Filed: August 29, 1986
    Date of Patent: March 1, 1988
    Assignee: University of Akron
    Inventors: Avraam Isayev, Michael J. Modic
  • Patent number: 4725647
    Abstract: Described herein is a process for preparing polyesters which comprises reacting a dihydric phenol with a diester derivative of an aromatic diacid in the presence of from about 10 to about 60 weight percent of a processing aid having a boiling point of greater than about 200.degree. C., under polyester forming conditions.
    Type: Grant
    Filed: November 8, 1984
    Date of Patent: February 16, 1988
    Assignee: Amoco Corporation
    Inventors: Louis M. Maresca, Markus Matzner
  • Patent number: 4717751
    Abstract: Resinous compositions comprising blends of linear polyesters such as poly(butylene terephthalate) with nitrile rubbers have very high impact strengths. The blends may also contain other polymers such as elastomers free from nitrile structural units, addition polymers of olefins or chlorinated olefins, or polylactones; such other polymers frequently improve properties such as gloss and low temperature impact strength.
    Type: Grant
    Filed: June 19, 1986
    Date of Patent: January 5, 1988
    Assignee: General Electric Company
    Inventors: John B. Yates, III, Timothy J. Ullman
  • Patent number: 4717609
    Abstract: An adhesive composition comprising at least(A) at least one cyanate ester compound selected from the group consisting of:(i) polyfunctional aromatic cyanate ester monomers having the formulaR--O--C.tbd.N).sub.nwherein n is integer of 2-10 and R is an aromatic organic group, the cyanate groups being bonded to an aromatic ring or said aromatic organic group;(ii) homoprepolymers of (i) and(iii) coprepolymer of (i) and an amine, and(B) at least one thermoplastic saturated polyester resin which is non-crystalline, substantially non-crystalline or of low crystallinity is disclosed. The adhesive composition has excellent heat resistance, moisture resistance and chemical resistance.
    Type: Grant
    Filed: November 19, 1986
    Date of Patent: January 5, 1988
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Morio Gaku, Nobuyuki Ikeguchi, Hidenori Kimbara
  • Patent number: 4716062
    Abstract: High strength, light weight composite material, comprising discrete reinforcing elements surrounded by a matrix including polymer micro-bits that are substantially free of the intact cells of the expanded, hydrophobic, thermoplastic polymers from which they are produced, is prepared by hot pressing paper-like elements made using paper making technology.
    Type: Grant
    Filed: November 8, 1985
    Date of Patent: December 29, 1987
    Inventor: Max Klein
  • Patent number: 4713310
    Abstract: A colored resin composition characterized in that it has a matrix of a thermoplastic polymer (A), typically a polyester, and a thermoplastic polymer (B), typically a styrene polymer, which is dispersed in the matrix and is separated in phase from the matrix, and the polymer (B) is filled with substantially the entire quantity of a colorant. Since the colorant is blended in only the dispersed phase polymer (B), deterioration due to the colorant of various characteristics, such as bleed-out of the colorant, is prevented in the colored resin composition according to this invention.
    Type: Grant
    Filed: January 9, 1986
    Date of Patent: December 15, 1987
    Assignee: Mitsubishi Petrochemical Company Limited
    Inventor: Shinji Horie
  • Patent number: 4708986
    Abstract: The invention relates to a process for the production of molding compositions from a thermoplastic polycondensation resin susceptible to degredation at high temperature in the presence of H.sub.2 O, to which is admixed a second synthetic resin, present as an aqueous latex, at temperatures in the range of 150.degree.-300.degree. C. and under a pressure in the range of 1-100 bar under the effect of high shear forces, for a time sufficient to provide the desired molding composition without substantially degrading the polycondensation resin.
    Type: Grant
    Filed: September 13, 1985
    Date of Patent: November 24, 1987
    Assignee: Huels Aktiengesellschaft
    Inventors: Christian Gerth, Michael Droscher
  • Patent number: 4694042
    Abstract: Elastomeric thermoplastic molding materials contain(A) from 5 to 50 parts by volume of a partially or completely crystalline thermoplastic polymer having a melting point of above 160.degree. C., as a coherent phase, and(B) from 95 to 50 parts by volume of one or more crosslinked elastomeric polymers which are prepared by emulsion polymerization, are dispersed in the component A and have a glass transition temperature Tg of below -10.degree. C., the sum of A and B being 100 parts by volume, with the proviso that the mixture of A and B has a Vicat softening temperature, measured according to DIN 53,460, which is 5.degree.-40.degree. C. lower than that of the component A, with or without(C) effective amounts of conventional assistants.
    Type: Grant
    Filed: January 31, 1985
    Date of Patent: September 15, 1987
    Assignee: BASF Aktiengesellschaft
    Inventors: Graham E. McKee, Hilmar Ohlig, Horst Reimann, Hans-Josef Sterzel
  • Patent number: 4686262
    Abstract: Block copolyesters based on polyalkylene terephthalates which contain polydiene blocks show an extremely low deformation even when they are processed into thin articles. They still have a crystallinity which is decreased by less than the ratio corresponding to the polydiene portion.
    Type: Grant
    Filed: December 14, 1981
    Date of Patent: August 11, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rudolf Binsack, Karl-Heinz Kohler, Ulrich Grigo, Leo Morbitzer, Ludwig Bottenbruch, Walter Heitz
  • Patent number: 4678834
    Abstract: A polyolefin blend comprising, in physical admixture, a major portion of particles of a polyethylene and a minor portion of particles of a composition of a thermoplastic second polymer, is disclosed. The polyethylene is selected from the group consisting of homopolymers of ethylene and copolymers of ethylene and at least one C.sub.4 -C.sub.10 higher alpha-olefin, and the second polymer is a normally solid thermoplastic polymer having a melting point of less than 185.degree. C. and a shear viscosity that is not more than that of the polyethylene when measured at 200.degree. C. and a shear rate of 400 sec.sup.-1 with the proviso that the second polymer is not a homopolymer or copolymer derived solely from hydrocarbon alpha-olefins having 2-10 carbon atoms. Examples of second polymers are (a) homopolymers and copolymers of unsaturated hydrocarbons in which at least one monomer is other than a C.sub.2 -C.sub.10 alpha-olefin, e.g.
    Type: Grant
    Filed: July 18, 1985
    Date of Patent: July 7, 1987
    Assignee: Du Pont Canada Inc.
    Inventors: Daniel W. Boivin, Ronald A. Zelonka
  • Patent number: 4670508
    Abstract: A thermoplastic resin composition comprising a melt mixed product of (A) 70% to 98% by weight of at least one thermoplastic resin selected from the group consisting of polyamides, polyacetals, polyesters, and polycarbonates and (B) 30% to 2% by weight of ultra-high molecular weight polyolefin powder having an intrinsic viscosity [.eta.] of 10 dl/g or more, measured in decalin at 135.degree. C., and having an average particle size of 80 .mu.m or less and having a particle size distribution such that substantially all of the powder particles pass through a sieve having a sieve number of 100 and at least 20% by weight of the total powder particles pass through a sieve having a sieve number of 350.This thermoplastic resin composition has excellent abrasion resistance, excellent impact resistance, and a high critical PV value.
    Type: Grant
    Filed: January 2, 1985
    Date of Patent: June 2, 1987
    Assignee: Mitsui Petrochemical Industries Ltd.
    Inventors: Akio Ohdaira, Michiharu Suga, Akifumi Kato, Toshio Kobayashi, Akira Yokoyama
  • Patent number: 4666972
    Abstract: Polyalkylene terephthalates which contain a fluorinated polyolefin in addition to a polymer having a glass transition temperature of less than -30.degree. C., are very tough, exhibit good stability to thermal shaping and hardness, and have a high modulus of elasticity and improved stress/strain behavior.
    Type: Grant
    Filed: June 11, 1985
    Date of Patent: May 19, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl-Heinz Kohler, Christian Lindner, Dieter Rempel, Gunter Weber, Karl-Heinz Ott, Rudolph Binsack