Solid Polymer Derived From A Monomer Containing An Atom Other Than C, O, H, Or Chlorine Patents (Class 524/521)
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Patent number: 5700862Abstract: An aqueous coating composition comprising: (A) 10 to 95% by weight (based on solid content) of a film forming polymer which is prepared by neutralizing at least a part of acid groups contained in a copolymer having a number average molecular weight ranging from 6,000 to 50,000 prepared by copolymerizing (A1) 5 to 40% by weight of an amide group-containing ethylenically unsaturated monomer, (A2) 3 to 15% by weight of an acid group-containing ethylenically unsaturated monomer, (A3) 10 to 40% by weight of a hydroxyl group-containing ethylenically unsaturated monomer, and (A4) a remainder amount of ethylenically unsaturated monomers other than the monomers (A1) to (A3); and (B) 5 to 90% by weight (based on solid content) of an aqueous dispersion of carboxyl group-containing acrylic resin particles having a particle size ranging from 0.01 to 1.0 .mu.m and an acid value ranging from 20 to 80.Type: GrantFiled: May 26, 1995Date of Patent: December 23, 1997Assignee: Nippon Paint Co., Ltd.Inventors: Katsuhiko Sho, Yasuhiro Shibata, Keizou Ishii, Tsuyoshi Imamura, Kunihiko Takeuchi
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Patent number: 5700852Abstract: A paper coating composition which comprises as a binder a latex of a copolymer (referred to hereinafter the particle A) consisting of (a) 20 to 80% by weight of an aliphatic conjugated diene monomer unit, (b) 0.5 to 10% by weight of an ethylenically unsaturated carboxylic acid monomer unit and (c) 20 to 79.5% by weight of a unit of another monomer copolymerizable with the above components (a) and (b) and having two glass transition points in the range of from -100.degree. C. to 50.degree. C. the difference between the two transition points being at least 5.degree. C.Type: GrantFiled: March 31, 1995Date of Patent: December 23, 1997Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Shin-ichiro Iwanaga, Shigeru Shingae, Takasi Morita, Osamu Ishikawa, Norichika Nojima
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Patent number: 5696228Abstract: Aqueous dispersions of cationic water-soluble polymers are provided, as well as processes for making and methods of using the same.Type: GrantFiled: October 3, 1996Date of Patent: December 9, 1997Assignee: Cytec Technology Corp.Inventor: Michael W. Coville
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Patent number: 5691418Abstract: Novel, soft, low modulus ethylene copolymer ionomer compositions containing an acrylate softening monomer, neutralized with magnesium or lithium ions possess a higher level of resilience at a given level of PGA Compressibility than known ionomers. The advantage is maintained in certain blend compositions with harder ionomers for blends having a neat-sphere PGA Compression below about 155. Both unblended and blended compositions will be useful as golf balls and components of golf balls, for one-piece balls, centers, cores and covers of golf balls.Type: GrantFiled: June 30, 1995Date of Patent: November 25, 1997Assignee: E. I. Du Pont de Nemours and CompanyInventors: John Francis Hagman, Robert Joseph Statz
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Patent number: 5684078Abstract: The present invention relates to water-dilutable emulsion polymers prepared by multistep emulsion polymerization. To this end,(a1) 0.5 to 5.0% by weight of ethylenically unsaturated monomers containing carboxyl groups, and(a2) from 0.5 to 2.5% by weight of olefinically unsaturated carboxamides,where a total of from 1.0 to 8.0% by weight of hydrophilic ionic and hydrophilic nonionic olefinically unsaturated monomers are employed, and(b) from 92.0 to 99.0% by weight of further ethylenically unsaturated monomers containing no further functional groups,are polymerized in the first step of the emulsion polymerization, where the total amount of monomers in the first step is 100% by weight, and exclusively olefinically unsaturated monomers containing no further functional groups are polymerized in the second step of the emulsion polymerization, and the weight ratio between the monomers polymerized in the first step and the monomers polymerized in the second step is from 30-80%:20-70% by weight.Type: GrantFiled: March 28, 1995Date of Patent: November 4, 1997Assignee: BASF Lacke +Farben, AGInventors: Arthur Pfaffenschlager, Antonio Manoel Marques Pereira, Wilson Marques Canabrava
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Patent number: 5674933Abstract: There is a need for polymers which offer increased heat resistance, ultraviolet light resistance, and low fogging characteristics for utilization in automotive interiors. It is particularly critical for polymers which are utilized in making skin compounds for automotive instrument and door panels to display excellent heat resistance, ultraviolet light resistance, and low fogging characteristics.Type: GrantFiled: December 18, 1995Date of Patent: October 7, 1997Assignee: The Goodyear Tire & Rubber CompanyInventors: Hung Dang Ngoc, Mariano Salazar
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Patent number: 5670615Abstract: Quaternized tertiary aminomethyl acrylamide polymer emulsions are treated by 1) adjusting the pH to about 3.6 to about 4.8, 2) adding a formaldehyde scavenger, 3) adjusting the water content of the aqueous phase to result in about 10-45 weight percent of quaternized aminomethylated acrylamide polymer and 4) heating the resultant emulsion at from about 40.degree. C. to about 80.degree. C. for about 3 to about 20 hours so as to render them more stable, capable of inversion in water independent of water temperature or pH of the medium flocculant and superior dewatering ability.Type: GrantFiled: May 23, 1995Date of Patent: September 23, 1997Assignee: Cytec Technology Corp.Inventors: Sun Yi Huang, Andrea Leone-Bay, Joseph Michael Schmitt, Paul S. Waterman
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Patent number: 5661212Abstract: Coating composition comprising a liquid carrier-based dispersion of at least one olefinic addition polymer, said dispersion of polymer(s) providing polymer bound tertiary amino groups and polymer bound acetoacetyl groups.The compositions are suitable for providing protective or decorative coatings for a range of substrates and have excellent adhesion and wet adhesion properties.The olefinic addition polymers having polymer bound amino and acetoacetyl groups are also claimed.Type: GrantFiled: April 7, 1995Date of Patent: August 26, 1997Assignee: Zeneca Resins BVInventors: Peter Lear, Hendricus Cornelis Goos, Gerardus Cornelis Overbeek, Emile Johannes Maria Stevens
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Patent number: 5654360Abstract: The invention provides a water-based coating composition in two pack form comprising:i) in a first pack a substantially non-aqueous solution of a silicon-containing polymer which is soluble in water miscible organic solvents and essentially soluble in aqueous media, the silicon groups on the polymer being of formula (1):--SiR.sup.1.sub.a R.sub.3-a (1)in which a is 0 to 2, R.sup.1 is Cl-6 alkyl and R is OH or a hydrolysable group, andii) in a second pack a polymer in dispersion in an aqueous liquid carrier for the composition,where the non-volatile binder solids content of the composition is at least 5% by weight and the molar concentration of silicon in the composition is greater than 0 and less than 0.5.Type: GrantFiled: December 14, 1995Date of Patent: August 5, 1997Assignee: Imperial Chemical Industries PLCInventor: Peter David Palasz
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Patent number: 5643981Abstract: The flameproof thermoplastic resin compositions of this invention comprise from 2 to 20 parts by weight of aromatic diphosphates, from 2 to 7 parts by weight of phosphorous compounds and from 0.1 to 2.0 parts by weight of polyfluoroalkyl resins per 100 parts by weight of the resin mixture consisting of from 60 to 98% by weight of polycarbonate resins, from 2 to 40% by weight of styrene-containing graft copolymer resins, and from 0 to 20% by weight of styrene-containing copolymer resins. The structural formula of said aromatic diphosphates is as follows (I): ##STR1## in which, R.sup.1 and R.sup.2 are same or different lower alkyls, R.sup.3 and R.sup.4 are same or different hydrogen atom or alkyl groups, Y is a single bond or --CH.sub.2 --, --C(CH.sub.3).sub.2 --, --S--, --SO.sub.2 --, --O--, --CO--, or --N.dbd.N--, k is 0 or 1, and m is an integer of 0 to 4.Type: GrantFiled: November 1, 1994Date of Patent: July 1, 1997Assignee: Cheil Industries, Inc.Inventors: Sam-Joo Yang, Bok-Nam Jang
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Patent number: 5631316Abstract: Vulcanizable tire innerliner compositions are described which are essentially free of halogen atoms or contain a reduced halogen content. The innerliners contain a saturated elastomeric interpolymer of a C.sub.4 -C.sub.7 isomonoolefin, e.g., isobutylene and a para-alkylstyrene e.g., para-methylstyrene, which contains benzylic ester functionality having the structure: ##STR1## wherein R.sub.2 and R.sub.3 are independently selected from hydrogen or C.sub.1 to C.sub.6 alkyl, and R.sub.4 is selected from hydrogen, C.sub.1, to C.sub.28 alkyl, aryl or C.sub.2 to C.sub.28 alkenyl.Innerliners of the invention provide excellent impermeability to air, heat aging properties and good adhesion to tire carcass stock required for tire innerliners, and are also essentially free of halogen or contain low halogen content thereby reducing environmental concerns occasioned by the incineration of used tires.Type: GrantFiled: June 7, 1995Date of Patent: May 20, 1997Assignee: Exxon Chemical Patents Inc.Inventors: Bernard J. Costemalle, James V. Fusco, Pierre T. Hous, Hsien-Chang Wang
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Patent number: 5605953Abstract: A novel aqueous polymeric formulation is disclosed. Also disclosed are methods of making the polymeric formulation, and of using the polymeric formulation to produce a crosslinked polymeric surface coating on a substrate. One embodiment of the novel polymeric formulation comprises an aqueous carrier; at least one polymeric-ingredient; a non-polymeric polyfunctional amine; and base. The one polymeric ingredient has both acid-functional and acetoacetoxy-type functional pendant moieties. The non-polymeric polyfunctional amine has at least two amine-functional moieties. The amount of base contained within the formulation is effective for inhibiting gellation, which would otherwise occur as a result of crosslinking between the acetoacetoxy-type functional and amine-functional moieties. Another embodiment of the novel polymeric formulation comprises at least two polymeric ingredients, one of which has acetoacetoxy-type functional pendant moieties and the other of which has acid-functional pendant moieties.Type: GrantFiled: June 6, 1995Date of Patent: February 25, 1997Assignee: S. C. Johnson & Son, Inc.Inventor: Richard J. Esser
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Patent number: 5605952Abstract: A novel aqueous polymeric formulation is disclosed. Also disclosed are methods of making the polymeric formulation, and of using the polymeric formulation to produce a crosslinked polymeric surface coating on a substrate. One embodiment of the novel polymeric formulation comprises an aqueous carrier; at least one polymeric ingredient; a non-polymeric polyfunctional amine; and base. The one polymeric ingredient has both acid-functional and acetoacetoxy-type functional pendant moieties. The non-polymeric polyfunctional amine has at least two amine-functional moieties. The amount of base contained within the formulation is effective for inhibiting gellation, which would otherwise occur as a result of crosslinking between the acetoacetoxy-type functional and amine-functional moieties. Another embodiment of the novel polymeric formulation comprises at least two polymeric ingredients, one of which has acetoacetoxy-type functional pendant moieties and the other of which has acid-functional pendant moieties.Type: GrantFiled: June 6, 1995Date of Patent: February 25, 1997Assignee: S. C. Johnson & Son, Inc.Inventor: Richard J. Esser
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Patent number: 5604272Abstract: Polymers I comprising from 15 to 80% by weight of monomers of the general formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each C.sub.1 -C.sub.3 -alkyl, R.sup.4 is C.sub.1 -C.sub.5 -alkyl and X is O or NH, andfrom 20 to 85 % by weight of other monomers capable of undergoing free radical copolymerizationare used as assistants in the spray drying of aqueous dispersions of polymers II which differ from the polymers I.Type: GrantFiled: May 25, 1995Date of Patent: February 18, 1997Assignee: BASF AktiengesellschaftInventors: Erich Penzel, Gernot Franzmann, Maximilian Angel, Joachim Pakusch, Bernhard Schuler
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Patent number: 5597859Abstract: A novel dispersant system is disclosed for use in forming dialkylaminoalkyl (meth)acylamide polymer dispersions.Type: GrantFiled: May 19, 1995Date of Patent: January 28, 1997Assignee: Nalco Chemical CompanyInventors: John R. Hurlock, Manian Ramesh
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Patent number: 5597858Abstract: An improved process for the preparing a dispersions of water soluble cationic polymers in an aqueous salt solution is disclosed. The improvement comprises using as a polymeric dispersion stabilizer a water soluble hydrophobically associating copolymer of diallyldimethylammonium chloride and a monomer selected from the group consisting of: ##STR1## and alkyl esters of acrylic acid, where R.sub.1 is either hydrogen or CH.sub.3 ; R.sub.2 and R.sub.3 are each an alkyl group having 1 to 3 carbon atoms; A.sub.1 is either an oxygen atom or NH; B.sub.1 is either an alkylene group having 2 to 4 carbon atoms or a hydroxypropylene group, Q is benzyl, or C.sub.6 -C.sub.20 alkyl, and X.sub.1.sup.- is an anionic counterion.Type: GrantFiled: March 22, 1995Date of Patent: January 28, 1997Assignee: Nalco Chemical CompanyInventors: Manian Ramesh, Jeffrey R. Cramm, Darrell L. Werges, Christopher P. Howland
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Patent number: 5596035Abstract: Autocrosslinking aqueous dispersions characterized by an MFT of from 0.degree. to about 50.degree. C. include at least one carbonyl-containing soft latex polymer having an MFT of below about 20.degree. C., at least one hard latex polymer having an MFT of above about 25.degree. C., and at least one polyfunctional carboxylic hydrazide. The aqueous polymer dispersions are used as binders for non-blocking, scratch-resistant and chemical-resistant coatings and as binders for clear coat and pigmented coating systems.Type: GrantFiled: November 10, 1994Date of Patent: January 21, 1997Assignee: Hoechst AktiengesellschaftInventors: Ulrich D esor, Stephan Krieger, Rolf Kuropka, Bernhard Momper
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Patent number: 5580929Abstract: An interpenetrating gel and a method of forming an interpenetrating gel which undergoes a significantly large volume change in response to a physical or chemical stimululs is disclosed.Type: GrantFiled: April 4, 1995Date of Patent: December 3, 1996Assignee: Massachusetts Institute of TechnologyInventors: Toyoichi Tanaka, Franck Ilmain, Etsuo Kokufuta, Masahiko Annaka
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Patent number: 5548018Abstract: An aqueous primer composition comprising a copolymer wherein a cationic monomer, a specific alkoxysilane monomer, a silane macromonomer and an ethylenically unsaturated monomer are contained in aqueous medium. For this reason, regardless of the alkalinity of the substrate, the aqueous primer composition can form a highly water-resistant, alkali-resistant, tough film. Furthermore, compared with the prior art, a higher concentration and a lower viscosity, so that the resulting primer composition shows excellent penetration into the substrate at high concentration and provides for sufficient substrate-reinforcing and water-proofing effects. Moreover, when forming a film thereby and forming a finish layer thereon, this composition shows a high affinity for the top coating or adhesive to insure a firm integration of the finish layer with the substrate surface.Type: GrantFiled: May 19, 1995Date of Patent: August 20, 1996Assignee: National Starch and Chemical Investment Holding CorporationInventor: Masao Maekawa
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Patent number: 5543455Abstract: A waterborne contact adhesive comprises and aqueous emulsion of A) between about 50 and about 80 weight percent (based on A) plus B) solids) of an emulsified acrylic polymer, said acrylic polymer having an acid number of between about 5 and about 50, and an N-methylol acrylamide content of between about 0.5 and about 5 wt % based on monomer solids; B) between about 20 and about 50 weight percent (based on A) plus B) solids) of a latex of an elastomer, particularly natural rubber latex, and C) anionic surfactant in amount sufficient to stabilize the aqueous dispersion of A) and B).Type: GrantFiled: March 15, 1995Date of Patent: August 6, 1996Assignee: Morton International, Inc.Inventor: Pankaj Shah
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Patent number: 5541242Abstract: The present invention provides an antistatic and flame retardant thermoplastic resin composition which comprises [A] 100 weight parts of a thermoplastic resin, [B] 2.0 to 40 weight parts of a bromine-containing organic flame retardant, and [C] 1.0 to 30 weight parts of a (meth)acrylamide-based copolymer and/or a (meth)acrylate ester-based copolymer each comprising 65 to 99 mole percent of an olefin-derived structural unit (I), 0 to 15 mole percent of a (meth)acrylate-derived structural unit (II) and 1 to 35 mole percent of a (meth)acrylamide-derived or (meth)acrylate ester-derived structural unit (III), as arranged linearly, with a weight average molecular weight of 1,000 to 50,000.Type: GrantFiled: July 28, 1994Date of Patent: July 30, 1996Assignee: Dai-Ichi Kogyo Seiyaku Co., Ltd.Inventors: Yutaka Nakayama, Hideyuki Sumi, Hiroshi Hotta
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Patent number: 5527853Abstract: A shelf-stable fast-cure aqueous coating is disclosed. The coating contains an anionically stabilized latex, a polyfunctional amine and a volatile base in an amount sufficient to deprotonate the conjugate acid of the amine.Type: GrantFiled: November 14, 1994Date of Patent: June 18, 1996Assignee: Rohm and Haas CompanyInventors: Frank Landy, Andrew Mercurio, Roy Flynn
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Patent number: 5510399Abstract: A process for the chemical agglomeration of a finely dispersed, aqueous synthetic rubber emulsion which involves:contacting the finely dispersed, aqueous synthetic rubber emulsion with an agglomeration agent of a water-soluble or water-dispersible copolymer, wherein the copolymer contains10 to 90% by weight of one or more hydrophobic, water-insoluble, olefinically unsaturated monomers; and90 to 10% by weight of one or more hydrophilic, water-soluble and salt-forming, olefinically unsaturated monomers;at a temperature and concentration sufficient to cause agglomeration of the finely dispersed, aqueous synthetic rubber emulsion,and the use of the thus obtained high solids synthetic rubber emulsion in the production of foamed shaped articles and foamed latices is provided.Type: GrantFiled: November 18, 1994Date of Patent: April 23, 1996Assignee: Huels AktiengesellschaftInventor: Thomas Sauer
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Patent number: 5484844Abstract: A vinyl chloride resin elastomer composition comprises 100 parts by weight of a resin mixture comprising from 50 to 95 parts by weight of a vinyl chloride resin and from 5 to 50 parts by weight of a chlorinated polyethylene; from 20 to 400 parts by weight of an acrylonitrile-butadiene rubber containing a tetrahydrofuran-insoluble crosslinking component; and from 10 to 300 parts by weight of a plasticizer.Type: GrantFiled: April 1, 1993Date of Patent: January 16, 1996Assignee: Mitsubishi Chemical MKV CompanyInventors: Masabumi Oshima, Masaji Yamamori
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Patent number: 5482987Abstract: A self-lubricating composition containing at least about 70 to about 99.5 weight percent of a thermoplastic polymer and from about 30 to about 0.5 weight percent of a lubricating system, wherein the lubrication system contains high and low molecular weight polyethylenes, polyethylene waxes, metal salts, antioxidants and stabilizers. The composition is suitable for the fabrication of shaped articles, e.g., gears, pulleys, rollers and bearings, which exhibit improved friction and surface wear properties.Type: GrantFiled: February 28, 1995Date of Patent: January 9, 1996Assignee: Hoechst Celanese CorporationInventor: Alex Forschirm
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Patent number: 5482991Abstract: Novel pressure-sensitive adhesives are described which show significant resistance to solvents and working fluids such as jet fuel, hydraulic fluid, de-icing fluid and the like. Adhesive compositions comprise nonaqueous dispersions of copolymers of acrylic monomers prepared in the presence of a vinyl-substituted fluoroalkyl siloxane having the general formula I and a macromonomeric stabilizer. The adhesives prepared from the adhesive compositions exhibit excellent adhesion to glass, aluminum, and low surface-energy materials such as fluoroalkyl siloxane elastomers.Type: GrantFiled: September 16, 1994Date of Patent: January 9, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventors: Ramesh C. Kumar, Albert I. Everaerts, Yvan A. Bogaert
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Patent number: 5461104Abstract: This invention is a process for producing stable polymer emulsions and latexes with an average particle size of less than one micron. The polymers are block copolymers of conjugated dienes and vinyl aromatic hydrocarbons which may or may not contain polar functionality. The process comprises making a polymer cement of the polymer and a blend of a solvent for the polymer, emulsifying the polymer cement by combining adding it with an aqueous phase containing an emulsifier which is a nonionic surfactant having a number average molecular weight of less than 1600 and an HLB of 9.5 to 16 and a stabilizer which is a nonionic surfactant having a molecular weight greater than 1600.Type: GrantFiled: January 21, 1994Date of Patent: October 24, 1995Assignee: Shell Oil CompanyInventors: Mervyn F. Daniel, Kenneth R. Cox
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Patent number: 5447984Abstract: Curable polymer mortar or concrete compositions with improved workability and processability use polymerizable liquid resin composed of unsaturated urethane of a specified form and vinyl monomers as binder and also contain an inorganic powder filler, aggregates and a viscosity reducer of a specified kind and a low shrinking agent of a specified kind each at a specified rate. Cured compositions with improved accuracy in measurements, strength and water absorption can be obtained from such compositions. Self-leveling property can also be provided.Type: GrantFiled: November 28, 1994Date of Patent: September 5, 1995Assignee: Takemoto Yushi Kabushiki KaishaInventors: Yoshihiko Ohama, Katsunori Demura, Hirokazu Matsueda, Tatsuhiko Ozaki, Atsushi Kodama
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Patent number: 5432226Abstract: A rubber formulation including (a) a hydrogenated nitrile rubber, (b) an organopolysiloxane, (c) a cross-linking controller selected from (i) an ester or polyester of acrylic or methacrylic acid with a polyhydric alcohol, (ii) an amide or polyamide of acrylic or methacrylic acid with a polyamine, (iii) an alkoxysilane having a C.dbd.C double bond, an amino group or a mercapto group and (iv) triallyl isocyanate, (d) an optional filler, and (e) a peroxide crosslinking agent. The rubber formulation is prepared by mixing together (a') a hydrogenated nitrile rubber composition having added therein an optional filler, (b') an organopolysiloxane composition having added therein an optional filler, and (c) the crosslinking controller, and thereafter adding (e) the peroxide crosslinking agent.Type: GrantFiled: February 17, 1993Date of Patent: July 11, 1995Assignee: Nippon Zeon Co., Ltd.Inventors: Mitsuyoshi Aonuma, Shigeru Okamura, Meyer Soria, Paul Branlard
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Patent number: 5428099Abstract: Elastomers modified by amine groups, particularly diethanol amine, are used for controlling carbon black distribution in elastomer blends.Type: GrantFiled: May 19, 1993Date of Patent: June 27, 1995Assignee: Exxon Chemical Patents Inc.Inventors: Fred Morrar, Laszlo L. Ban, Walter G. Funk, Edward Kresge, Hsien-Chang Wang, Sudhin Datta, Robert C. Keller
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Patent number: 5427863Abstract: The corrosion resistance, and also often the heat resistance, of a autodeposited coating in which the organic binders are predominantly copolymers of vinylidene chloride containing at least 50% vinylidene chloride can be improved by including another type of organic resin binder in the autodeposition bath in sufficient amount to constitute at least 2 up to as much as about 40% of the total of the PVDC and the other organic resin binder. Results can be further improved by rinsing the uncured autodeposited coating with an aqueous treatment solution that has a pH between 7 and 11 and contains between 0.01 and 5% of anions derived from multifunctional organic acids, preferably anions of 1-hydroxyethylidene-1,1-diphosphonic acid, citric acid, tartaric acid, and/or oxalic acid before drying the coating.Type: GrantFiled: September 23, 1992Date of Patent: June 27, 1995Assignee: Henkel CorporationInventor: Elizabeth J. Siebert
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Patent number: 5428101Abstract: Disclosed is a solvent based coating composition comprising at least one vinyl polymer and an organic solvent, wherein said vinyl polymer(s) has at least one group consisting of an active hydrogen-containing group and a substituted acylamide group, and said vinyl polymer(s) contains the above described two groups as a whole.Type: GrantFiled: March 18, 1994Date of Patent: June 27, 1995Assignee: Nippon Paint Co., Ltd.Inventors: Satoshi Urano, Noriyuki Tsuboniwa, Kei Aoki, Hirotoshi Umemoto
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Patent number: 5424355Abstract: An aqueous coating composition comprising fine polymer particles dispersed in an aqueous medium and an inorganic filler, wherein said fine polymer particles comprise synthetic rubber emulsion polymer particles having a glass transition temperature of 0.degree. C. or less and emulsion polymer particles having a glass transition temperature of 20.degree. C. or more, and further, according to circumstances, urethane emulsion polymer particles. This composition has various properties as a chipping-resistant coating agent in good balance and is particularly useful for coating of the outdoor sheet metal working members of wheeled vehicles.Type: GrantFiled: April 20, 1994Date of Patent: June 13, 1995Assignee: Nippon Carbide Kogyo Kabushiki KaishaInventors: Masami Uemae, Takeshi Komatsu, Yoshihiro Maeyama, Takashi Yamakoshi, Akira Kume
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Patent number: 5416134Abstract: The present invention is directed to an aqueous emulsion acrylic pressure sensitive adhesive composition that excels in high performance applications. The inventive adhesive composition comprises in water:(I) a polymer system wherein the system is:(A) (a) a copolymer of between about 95 wt-% and 99.9 wt-% of a C.sub.4 -C.sub.18 alkyl (meth)acrylate monomer and between about 0.1 wt-% and 5 wt-% N-alkyl substituted or unsubstituted amide of (meth)acrylic acid, and(b) a homopolymer or copolymer of between about 0 wt-% and 99.8 wt-% of a C.sub.4 -C.sub.18 alkyl (meth)acrylate monomer and about 0.2 wt-% and 100 wt-% of an ethylenically unsaturated carboxylic acid; or(B) (a) a copolymer of between about 90 wt-% and 99.8 wt-% of a C.sub.4 -C.sub.18 alkyl (meth)acrylate monomer and about 0.2 wt-% and 10 wt-% of an ethylenically unsaturated carboxylic acid; and(b) a homopolymer or copolymer of between about 0 wt-% and 99.1 wt-% of a C.sub.4 -C.sub.18 alkyl (meth)acrylate monomer and between about 0.Type: GrantFiled: December 21, 1993Date of Patent: May 16, 1995Assignee: Ashland Oil, Inc.Inventor: Michael J. Skoglund
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Patent number: 5416146Abstract: A thermoplastic elastomer composition comprising 100 parts by weight of a vinyl chloride resin, from 20 to 300 parts by weight of a nitrile rubber, from 25 to 200 parts by weight of a plasticizer, from 10 to 200 parts by weight of a filler and a curing agent for the rubber, and being meltable by a roll set at a temperature of 190.degree. C.Type: GrantFiled: February 25, 1994Date of Patent: May 16, 1995Assignee: Denki Kagagu Kogyo Kabushiki KaishaInventors: Yuichiro Kushida, Shoichi Tamegai, Akio Hirohashi
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Patent number: 5405879Abstract: An aqueous dispersion of an acrylic polymer comprising acrylic polymer particles dispersed in an aqueous medium in which aqueous dispersion the acrylic polymer particles are composite particles composed of the core part and skin layer part of acrylic polymers having mutually different glass transition temperatures. The aqueous dispersion is useful for preparation of an aqueous coating composition excellent in normal-temperature and low-temperature resistance to chipping.Type: GrantFiled: April 3, 1992Date of Patent: April 11, 1995Assignee: Nippon Carbide Kogyo Kabushiki KaishaInventors: Masami Uemae, Takeshi Komatsu
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Patent number: 5403893Abstract: An interpenetrating gel and a method of forming an interpenetrating gel which undergoes a significantly large volume change in response to a physical or chemical stimululs is disclosed.Type: GrantFiled: November 10, 1993Date of Patent: April 4, 1995Assignee: Massachusetts Institute of TechnologyInventors: Toyoichi Tanaka, Franck Ilmain, Etsuo Kokufuta, Masahiko Annaka
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Patent number: 5401800Abstract: Substantially flat surfaced emulsion particles polymerized vinyl monomer, having a concavity in at least one of the flat surfaces, a diameter D of from 0.1 to 5.0 .mu.m, and a particle diameter thickness d ratio (d/D) of 1.2 to 5.0 prepared by the step of (1) aqueous emulsion polymerizing a first vinyl monomer or mixture of monomers (a) to form vinyl polymer seed particles; and (2) aqueous emulsion polymerizing a second vinyl monomer or mixture of monomers (b) in the presence of the vinyl polymer seed particles and a non-aqueous organic solvent having a surface tention to water at 20.degree. C. of 48 dyne/cm or more, in a weight ratio of monomer (a) to monomer (b) of 0.5/99.5 to 50/50; and are useful in high performance recording material, paint compositions and paper coating compositions.Type: GrantFiled: March 1, 1993Date of Patent: March 28, 1995Assignee: Mitsui Toatsu Chemicals, Inc.Inventors: Futoshi Hoshino, Makoto Nakano, Takeshi Yanagihara
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Patent number: 5397831Abstract: This invention provides a tetrafluoroethylene (TFE) copolymer resin powder composition capable, upon rotational lining, of generating a corrosion-resistant, nonstick film, which is a thick film on a metal or a like substrate, essentially free of gas bubbles, and excellent in adhesion and peel resistance. The TFE-copolymer resin powder composition comprises granules which comprise particles of a TFE/perfluoro(alkyl vinyl ether) copolymer (PFA), polyphenylene sulfide (PPS) particles having an average particle size of 0.3-50 .mu.m, and a heat resistant filler. This invention also provides a process for manufacturing the TFE copolymer resin powder composition comprising either (1) granulating a mixture of PFA particles, PPS and a heat resistant filler in the presence of water and an organic liquid, or (2) mixing PFA, PPS, and a heat-resistant filler, compression-molding, and pulverizing.Type: GrantFiled: June 1, 1993Date of Patent: March 14, 1995Assignee: Du Pont-Mitsui FluorochemicalsInventors: Takumi Saito, Kasuke Ishii, Takao Nishio, Susumu Nakamura, Matunori Takada, Kazuhiro Yamamoto
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Patent number: 5378745Abstract: A weather-resistant thermoplastic resin composition excellent in processing stability is provided which comprises 100 parts by weight of a mixture of 40-100 parts by weight of a vinyl chloride polymer and 0-60 parts by weight of a polymer containing no chlorine and having a glass transition temperature of 100.degree.-200.degree. C.; 4-25 parts by weight of an impact strength modifier containing no double bond; and 0.1-1.0 part by weight of a hindered amine light stabilizer. Molded articles made from this composition are especially excellent in weather resistance and are useful as pipes outdoors or building materials.Type: GrantFiled: January 21, 1994Date of Patent: January 3, 1995Inventors: Yoshihiro Nakatsuji, Masayuki Yoshihara, Hiroaki Maruyama, Toshio Igarashi
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Patent number: 5376433Abstract: Disclosed herein is a thermal transfer printing medium which provides high-quality images superior in heat resistance and rub resistance owing to a thermal transfer ink of specific composition which permits the fusible ink layer to cut sharp for transfer. The fusible ink layer is formed from a thermal transfer ink composed of a colorant, thermoplastic resin, and particulate fluorocarbon resin or silicone resin in an amount of 10-70 wt %.Type: GrantFiled: March 31, 1993Date of Patent: December 27, 1994Assignee: Sony CorporationInventor: Satoshi Fujimaki
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Patent number: 5364901Abstract: This invention is a silica free curable composition comprisingA) A stable dispersion in an aqueous medium of a First Polymer having a weight average molecular weight of at least 50,000 which is insoluble in water and contains silane groups with hydrolyzable functionality.B) A solution or dispersion in the aqueous medium of a second polymer which has a number average molecular weight between 1,000 and 20,000 and at least two silane groups with hydrolyzable functionality. The non-volatile weight ratio of the first polymer to the second is 40:1 to 1:4.Type: GrantFiled: October 30, 1991Date of Patent: November 15, 1994Assignee: Imperial Chemical Industries, PLCInventors: Eric Nield, Peter D. Palasz, Philip L. Taylor, Peter K. H. Lam
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Patent number: 5356985Abstract: The present invention relates to aqueous emulsions of polymers which contain 80 to 100 weight % of acrylonitrile polymerized within them, to a method for their preparation, and to their use as raw materials for acrylic and modacrylic fibres and as dyeing additives for adjusting the dyestuff affinity of cationic dyestuffs for conventional acrylic and modacrylic polymers and fibre materials produced from them.Type: GrantFiled: September 20, 1993Date of Patent: October 18, 1994Assignee: Bayer AktiengesellschaftInventors: Gunter Sackmann, Siegfried Korte, Heinrich Alberts, Rolf-Volker Meyer
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Patent number: 5348991Abstract: An aqueous dispersion coating composition comprising at least one kind of resin, wherein any one of said resin or resins has at least one functional group selected from an active hydrogen-containing group, a substituted acylamide group and a water dispersible or water-soluble group, and wherein the resin composition as a whole contains each of the above described kinds of functional groups.Type: GrantFiled: June 5, 1992Date of Patent: September 20, 1994Assignee: Nippon Paint Co., Ltd.Inventors: Motoyoshi Yoshikawa, Hideyoshi Noda, Shinsuke Shirakawa, Noriyuki Tsuboniwa, Eiji Yamanaka, Satoshi Urano, Kazunori Kanda
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Patent number: 5344867Abstract: An aqueous emulsion interpolymer composition capable of forming stable films which have excellent protective properties, especially on metallic substrates, good chemical resistance and/or permeability to water vapor, comprising particles suspended in an aqueous solution made by interpolymerizing an acrylic latex seed particle with a vinylidene chloride polymer comprising vinylidene chloride, one or more alkyl acrylates having from 1 to 18 carbon atoms in the alkyl group and/or one or more alkyl methacrylates having 1 to 18 carbon atoms in the alkyl group, one or more aliphatic alpha-beta-unsaturated carboxylic acids, and a copolymerizable surface active agent, the proportion of vinylidene chloride being 65 to 90 parts by weight, the portion of said alkyl acrylates and/or methacrylates being from 2 to 30 parts by weights, the portion of said carboxylic acids being from 0.1 to 20 parts by weight, and the portion of said copolymerizable surface active agent being from 0.1 to 5.0 parts by weight.Type: GrantFiled: June 14, 1993Date of Patent: September 6, 1994Assignee: The BFGoodrich CompanyInventors: Tamela A. Morgan, Gary L. Julian, Vic Stanislawczyk
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Patent number: 5334420Abstract: The invention relates to a process for the production of a multicoat finish, in which an aqueous basecoat is used which contains as binder a polymer which can be obtained by polymerizing in an organic solvent(A) ethylenically unsaturated monomers in the presence of(B) a polyurethane resin containing polymerizable double bondsand converting the resultant reaction product to an aqueous dispersion.Type: GrantFiled: September 16, 1992Date of Patent: August 2, 1994Assignee: BASF Lacke & Farben AktiengesellschaftInventors: Michael Hartung, Michael Grabbe, Peter Mayenfels
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Patent number: 5321073Abstract: A rubber composition obtained by curing with a peroxide a blend comprising 100 parts by weight of an acrylic elastomer and from 20 to 100 parts by weight of a polyvinylidene fluoride resin relative to 100 parts by weight of the acrylic elastomer.Type: GrantFiled: April 17, 1992Date of Patent: June 14, 1994Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Takeo Kondo, Jiro Miyagawa, Katsuaki Shinohara
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Patent number: 5314943Abstract: A low viscosity, fast-curing binder for textile substrates is produced by admixing an aqueous emulsion copolymer latex with an aqueous solution copolymer formed by the copolymerization of an olefinically unsaturated polycarboxylic acid and an olefinically unsaturated monocarboxylic acid. Viscosities in the range of about 2 cps at 25% total solids to about 1000 cps at 35% total solids are realized by using solution copolymers containing about 40%-75% by weight of polycarboxylic acid.Type: GrantFiled: November 30, 1990Date of Patent: May 24, 1994
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Patent number: 5312861Abstract: Improved filled silane copolymer compositions resistant to premature crosslinking during compounding and storage but which are readily hydrolyzed and undergo cure in the presence of silanol condensation catalyst are provided. The compositions are comprised of random copolymers of ethylene and vinyltriethoxysilane and contain relatively high levels of particulate fillers. Rubbery ethylene copolymers are included with the silane copolymer to produce compositions with superior physical properties. The invention also relates to the method of crosslinking these compositions by combining the filled silane copolymer compositions with a second component which has a silanol condensation catalyst dispersed in a polymer resin.Type: GrantFiled: May 18, 1992Date of Patent: May 17, 1994Assignee: Quantum Chemical CorporationInventors: Craig C. Meverden, Robert L. Silverman
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Patent number: 5304422Abstract: A polyamide resin composition comprising: (a) 100 parts by weight of a polyamide; (b) from about 1 part to about 80 parts by weight of an aromatic polyamide fiber; (c) from about 3 parts to about 80 parts by weight of a polytetrafluoroethylene; and (d) from about 1 part to about 20 parts by weight of high-density polyethylene is disclosed. The polyamide resin composition can be molded into sliding members, like bearings, bushings and slide rails, that demonstrate excellent mechanical and physical properties, like low frictional force, low self-abrasion, and low abrasion to metals.Type: GrantFiled: September 19, 1990Date of Patent: April 19, 1994Assignee: Bando Chemical Industries, Ltd.Inventors: Takayoshi Tanabe, Takatoshi Ishigaki, Shuji Tsuchikawa, Shinichi Kimura