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: 6051645Abstract: An ink jet recording ink comprising water, a coloring material, a water-soluble organic solvent and a plurality of dispersants each having a different HLB, and an ink jet recording method using this ink jet recording ink are disclosed. Preferably, given that respective HLBs of n (n.gtoreq.2) kinds of dispersants are such that HLB.sub.1 <HLB.sub.2 < . . . <HLB.sub.n, at least two dispersants satisfy the following formula:1.ltoreq.HLB.sub.x -HLB.sub.x-1 .ltoreq.30(wherein, X is an integer from 2 to n). The ink jet recording ink and ink jet recording method of the present invention do not clog a nozzle, have an excellent dispersion stability, discharge responsiveness and discharge stability, and provide uniform images having high resolution and high optical density stably.Type: GrantFiled: April 14, 1997Date of Patent: April 18, 2000Assignee: Fuji Xerox Co., Ltd.Inventors: Atsushi Suzuki, Toshitake Yui, Nobuyuki Ichizawa, Kunichi Yamashita, Ken Hashimoto
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Patent number: 6051562Abstract: An oil in water emulsion comprises a continuous aqueous phase and a discontinuous oil phase which is either a hydrophobic liquid which is immiscible with the aqueous phase or is a solid phase obtained by providing an emulsion in the aqueous phase of a solution of potentially solid material in the hydrophobic liquid and converting this solution to a solid phase, and the emulsion is stabilized by the inclusion of water-soluble stabilizing polymer in the aqueous phase and oil solubilizing stabilizing material, generally polymer, in the oil phase. The or each polymer is preferably a copolymer of hydrophilic and hydrophobic groups, preferably being formed by copolymerization of water-soluble monomer and oil-soluble monomer that provide the desired groups in the polymer without further reaction. Partially hydrolyzed polyvinyl alcohol can be used as the water-soluble polymer.Type: GrantFiled: April 8, 1996Date of Patent: April 18, 2000Assignee: Ciba Specialty Chemical Water Treatment LimitedInventors: Peter Chamberlain, Eleanor Harden
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Patent number: 6040376Abstract: Compositions of precipitated anionic polymers containing mixtures of certain salts as well as processes for making and using the same are disclosed.Type: GrantFiled: November 5, 1998Date of Patent: March 21, 2000Assignee: Cytec Technology Corp.Inventors: Joseph J. Mallon, Raymond S. Farinato, Louis Rosati, John J. Freeman, Jr.
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Patent number: 6034181Abstract: A composition used in paper and board making comprises a carboxylated surface size containing at least 40 mole percent of hydrophobic groups such as styrene/(meth)acrylic acid copolymers or styrene/maleic acid (anhydride or salt) copolymers, and a hydophilic polyacrylamide.Type: GrantFiled: August 6, 1996Date of Patent: March 7, 2000Assignee: Cytec Technology Corp.Inventors: Rajiv Bazaj, Gerald Guerro, David Dauplaise
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Patent number: 6031038Abstract: An aqueous polymer emulsion contains a dispersed polymer A, which is obtainable by free radical aqueous emulsion polymerization of different monomer compositions in two successive stages and has ureido groups, and a polyaldehyde compound.Type: GrantFiled: May 5, 1997Date of Patent: February 29, 2000Assignee: BASF AktiengesellschaftInventors: Roland Baumstark, Michael Portugall
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Patent number: 6020106Abstract: Transparent molded articles having a high-contrast laser inscription thereon are produced from a polymer mixture consisting ofA) from 40 to 99% by weight of a polymer of an alkyl ester of (meth)acrylic acid,B) from 1 to 50% by weight of a copolymer of styrene and acrylonitrile having an acrylonitrile content of from 8 to 30% by weight,C) from 0 to 50% by weight of rubber particles, andD) from 0 to 20% by weight of additives and processing auxiliaries, by preparing a transparent molded article from the polymer mixture, and exposing the transparent molded article to laser radiation.Type: GrantFiled: December 4, 1996Date of Patent: February 1, 2000Assignee: BASF AktiengesellschaftInventors: Graham Edmund Mc Kee, Martin Welz, Andreas Deckers, Daniel Wagner, Paul Otto Damm, Hans-Josef Oslowski
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Patent number: 6008295Abstract: Diene polymers or copolymers having improved balance between raw polymer viscosity and mixed compound viscosity, useful in tire tread compositions having highly balanced wet traction, rolling resistance, and traction in ice and snow, and fracture properties in the cured and white carbon reinforced states are provided. These diene polymers or copolymers comprise a mixture of diene polymer or copolymer chains containing carbon-tin bonds in the main polymer or copolymer chains and diene polymer or copolymer chains containing terminals derived from hydrocarboxysilane compounds. The diene polymer or copolymers are prepared by first coupling a portion of the living diene polymer or copolymer chains obtained by anionic polymerization using a tin polyhalide coupling agent and then terminating the remaining living diene polymer or copolymer chains using hydrocarboxysilane compounds.Type: GrantFiled: July 11, 1997Date of Patent: December 28, 1999Assignee: Bridgestone CorporationInventors: Hideo Takeichi, Daniel F. Graves, Sunil B. Sarkar, David F. Lawson
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Patent number: 6005042Abstract: A polymer dispersion having a minimum film-forming temperature in the range from 0 to 40.degree. C., which is useful in coating compositions for substrates, in the form of varnishes or gloss paints, is obtained by stepwise emulsion polymerization, which includes polymerizing, onto a first stage having the monomer composition I comprising: from 50 to 68.5% by weight of soft monomers A whose homopolymers have a glass transition temperature (T.sub.g) below 0.degree. C.; from 30 to 50% by weight of hard monomers B whose homopolymers have a glass transition temperature (T.sub.g) above 65.degree. C.; from 0.5 to 5% by weight of .alpha.,.beta.-unsaturated carboxylic acids and/or carboxamides C which are copolymerizable with A and B; from 1 to 7.Type: GrantFiled: March 4, 1997Date of Patent: December 21, 1999Assignee: Clariant GmbHInventors: Ulrich Desor, Stephan Krieger
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Patent number: 5990227Abstract: Disclosed herein is an ink-jet recording process which comprises applying a first liquid at least containing a water-soluble resin having at least one carboxyl group or anhydride thereof, or sulfonic group per molecule to a recording medium and then applying an ink at least comprising water, an organic solvent, a dye, an alkali-soluble resin and an alkali to the portions where the first liquid has adhered, thereby forming an image. An ink set and an instrument for use in such a process are also disclosed.Type: GrantFiled: February 19, 1997Date of Patent: November 23, 1999Assignee: Canon Kabushiki KaishaInventors: Yoshihisa Takizawa, Makoto Aoki, Yutaka Kurabayashi
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Patent number: 5981648Abstract: New and improved curable compositions useful as non-yellowing, acid resistant coatings for a variety of substrates and as adhesives and binders are disclosed. The curable compositions comprise a polymeric component comprising poly(C.sub.1 -C.sub.6 alkyl acrylamidoglycolate) functional units and poly (active hydrogen) functional units and preferably an effective amount of a protic acid crosslinking catalyst. In preferred embodiments acid-catalyzed room temperature curable coating compositions are provided. The compositions may be cured effectively at lower temperatures without the use of amines or other toxic crosslinking agents and do not liberate formaldehyde on curing. A method for making poly(C.sub.1 -C.sub.6 alkyl acrylamidoglycolate) functional polymers is also disclosed.Type: GrantFiled: July 13, 1992Date of Patent: November 9, 1999Inventors: Howard Robert Lucas, Robert Gerald Lees, Herbert Burkhard, David Arthur Ley
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Patent number: 5976648Abstract: Disclosed is a heterogeneous polymer gel comprising at least two gel networks. One embodiment of the present invention concerns a heterogeneous polymer gel comprising a first gel network comprising an environmentally-stable gel and a second gel network comprising an environmentally-unstable gel wherein the first gel network interpenetrates the second gel network. The heterogeneous polymer gel exhibits controlled changes in volume in response to environmental changes in condition, such as of temperature or of chemical composition.Type: GrantFiled: December 13, 1996Date of Patent: November 2, 1999Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Yong Li, Zhibing Hu, Xiaomin Zhang
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Patent number: 5977242Abstract: Disclosed is a two-part adhesive comprising: (A) an aqueous emulsion liquid having a polymer component and an emulsifier component, in which at least one of the polymer component and the emulsifier component contains an anion radical; and (B) a solution having an amino-radical-containing acrylic copolymer. The amount of the polymer component in the aqueous emulsion liquid is within a range of from about 20% to about 80% by weight. When the aqueous emulsion liquid (A) contacts the solution (B) on an adherend surface, they form sticky gel adhesive.Type: GrantFiled: November 27, 1996Date of Patent: November 2, 1999Assignee: Konishi Co., Ltd.Inventors: Toshiki Origuchi, Yukiharu Hayashi
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Patent number: 5962554Abstract: Polymers composed of at least >80% by weight of monomers of the formula ##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 andX is 0 or NH,are used as assistants in the drying of aqueous polymer dispersions and, in the case of a weight average relative molecular weight of from 5000 to 35,000, additionally as protective colloid for the preparation of aqueous polymer dispersions by the free radical aqueous emulsion polymerization method.Type: GrantFiled: October 18, 1996Date of Patent: October 5, 1999Assignee: BASF AktiengesellschaftInventors: Joachim Pakusch, Bernhard Schuler, Walter Machtle, Roland Baumstark
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Patent number: 5962578Abstract: Poly(dialkylaminoalkyl (meth)acrylamide)-based superabsorbent gels are disclosed. The superabsorbent gels either comprise a mixture of a poly(dialkylaminoalkyl (meth) acrylamide) polymer and an acidic water-absorbing polymer, like polyacrylic acid, or comprise a salt of a poly(dialkylaminoalkyl (meth)acrylamide) polymer. An improved method of preparing an N-(dialkylaminoalkyl) (meth)acrylamide monomer also is disclosed.Type: GrantFiled: November 19, 1997Date of Patent: October 5, 1999Assignee: AMCOL International CorporationInventors: Thomas W. Beihoffer, Michael A. Mitchell, Leticia L. Trzupek
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Patent number: 5962571Abstract: Process for making organic solvent-free aqueous crosslinkable polymer composition comprising: a) preparing an aqueous solution of an acid-functional oligomer with Tg 10 to 125.degree. C. and having crosslinker functional groups; b) conducting an aqueous emulsion polymerization to make an aqueous emulsion of an olefinic hydrophobic polymer in the presence of the aqueous oligomer solution, the hydrophobic polymer having Tg at least 25.degree. C. below that of the oligomer and optionally crosslinker functional groups, and c) combining with a crosslinking agent reactable with the crosslinker groups of the oligomer and polymer, said composition having Koenig hardness of .gtoreq.40 sec and minimum film forming temperature (MFFT) .ltoreq.55.degree. C. Also the aqueous composition so formed and its use in various applications. The aqueous composition has excellent properties and in particular an advantageous balance of MFFT and Koenig hardness.Type: GrantFiled: November 1, 1996Date of Patent: October 5, 1999Assignee: Zeneca Resins B.V.Inventors: Gerardus Cornelis Overbeek, Yvonne Wilhelmina Smak, Alfred Jean Paul Buckmann
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Patent number: 5939514Abstract: The present invention relates to the preparation of water based coating compositions having extended storage stability. The composition includes separately stored polymeric binder component and a crosslinking component.These components are mixed prior to application over surfaces, such as, road surfaces. The polymeric binder component includes an anionically stabilized binder polymer having at least one reactive functional pendent moiety, or a blend of the binder polymer with a polyfunctional amine. The pot mix of the coating composition has extended storage stability. The waterborne road marking paints of the present invention exhibit improved wear resistance on road surfaces in terms of paint remaining on the road longer than waterborne road marking paints based on the storage stable component alone. The present invention provides road marking paints that can be applied by conventional road striping equipment and do not require special two component spray equipment.Type: GrantFiled: August 5, 1997Date of Patent: August 17, 1999Assignee: Rohm and Haas CompanyInventors: Ward Thomas Brown, Donald Craig Schall, Francis Joseph Landy, Ann Robertson Hermes
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Patent number: 5939482Abstract: The invention concerns a two-stage method for the preparation of aqueous, self-crosslinking copolymer dispersions made from acrylate copolymers having acetoacetyl and carboxylic groups. The copolymers are neutralized with polyamines which act as crosslinking agents. These copolymers are useful in paints as binders that crosslink at room temperature or at elevated temperatures.Type: GrantFiled: May 9, 1997Date of Patent: August 17, 1999Assignee: Vianova Resins AktiengesellschaftInventors: Ingo Kriessmann, Rami-Raimund Awad, Hannelore Gsoell, Kurt Gossak, Bernhard Hirschmann
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Patent number: 5935655Abstract: A combination of (A) a nitrogen containing water soluble polymer, (B) a water insoluble film forming polymer, and (C) gas filled, polymer walled microballoons provides a superior thermally releasable coating that (i) can be conveniently and reliably coated from a water based solution and dispersion onto surfaces to be protected against painting, (ii) is reliably stable at ambient temperatures, (iii) even after being coated with many times its own thickness of accumulated paint particles, rapidly disintegrates, along with the accumulated paint coating formed on it, upon contact with hot water, into particles of a size that readily escapes from standard paint booth grate structures, (iv) detackifies any paint particles that escape during distintegration of the combined thermally releasable coating and paint residues accumulated thereon, and (v) disintegrates into particles that float on water, so that they can be readily removed from the grates by immersing the latter in hot water, allowing a few minutes for thType: GrantFiled: January 26, 1996Date of Patent: August 10, 1999Assignee: Henkel CorporationInventor: Scott J. Beleck
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Patent number: 5919854Abstract: 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: July 6, 1999Assignee: Cytec Technology Corp.Inventors: Sun-Yi Huang, Louis Rosati, Joseph J. Kozakiewicz
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Patent number: 5914366Abstract: Multimodal emulsions comprising a blend of at least one polymeric microemulsion provide for high solids and low bulk viscosity. Convenient and versitale processes for preparing multimodal emulsions are also provided. Mannich (alk)acrylamide polymeric microemulsions are among the numerous different polymeric microemulsions which may be used to prepare the multimodal emulsions.Type: GrantFiled: November 22, 1996Date of Patent: June 22, 1999Assignee: Cytec Technology Corp.Inventors: James V. Cicchiello, Sun-Yi Huang, Joseph J. Kozakiewicz, Richard F. Rice
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Patent number: 5908669Abstract: This invention is directed to an aqueous colored coating composition which is applied with a spray device having a fine-orifice nozzle(s), the composition comprising a neutralized acrylic copolymer containing an alkoxysilyl group and a carboxyl group and a coloring pigment.Type: GrantFiled: October 8, 1997Date of Patent: June 1, 1999Assignee: Kansai Paint Company, LtdInventors: Yukiko Hayashi, Keita Ono, Akimasa Nakahata, Mitsuhiro Fukuda
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Patent number: 5907011Abstract: Heterogeneous, solvent- and plasticizer-free polyvinyl ester dispersions which are stabilized by protective colloids and which have a minimum filming temperature of below 10.degree. C. are disclosed. These dispersions are made of a mixture of(a) a homopolymer or copolymer A having a glass transition temperature of above 20.degree. C., whereby homopolymer or copolymer A includes(i) from 85 to 100% by weight of at least one vinyl ester of carboxylic acids having 1 to 18 carbon atoms;(ii) from 0 to 5% by weight of at least one .alpha., .beta.-unsaturated carboxylic acid;(iii) from 0 to 5% by weight of at least one mono-olefinically unsaturated compound (a3) having at least one amino or amido group, and(iv) from 0 to 5% by weight of at least one polyethylenically unsaturated monomer, and(b) a copolymer B having a glass transition temperature of below 20.degree. C.Type: GrantFiled: March 31, 1997Date of Patent: May 25, 1999Assignee: Clariant GmbHInventors: Martin Jakob, Detlev Seip, Volker Matz, Stefan Hess
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Patent number: 5883181Abstract: Multimodal emulsions comprising a blend of at least one polymeric microemulsion provide for high solids and low bulk viscosity. Convenient and versitale processes for preparing multimodal emulsions are also provided. Mannich (alk)acrylamide polymeric microemulsions are among the numerous different polymeric microemulsions which may be used to prepare the multimodal emulsions.Type: GrantFiled: January 7, 1997Date of Patent: March 16, 1999Assignee: Cytec Technology Corp.Inventors: James V. Cicchiello, Sun-Yi Huang, Joseph J. Kozakiewicz, Richard F. Rice
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Patent number: 5861194Abstract: A process for producing a printing medium is disclosed wherein a composition is applied to a substrate and cured by heat treatment, said composition comprising a water soluble cationic polymer (P1) selected from the group consisting of polymer (A) obtained by the addition polymerization of epichlorohydrin and a dialkylamine or dialkanolamine; polymer (B) derived from the addition polymerization of a glycidyl groups-terminated hydrophilic oligomer and an asymmetric diamine, dialkylamine or dialkanolamine; acrylic polymer (C) with a cationized hydroxyl group-containing molecular side chain; and polyvinyl alcohol (D) with a cationized hydroxyl group-containing molecular chain; and a condensable functional group-containing polymer (P2) selected from the group consisting of alkylolacrylamide copolymer and a hydrolyzable trialkylsilyl group-containing copolymer.Type: GrantFiled: April 22, 1996Date of Patent: January 19, 1999Assignee: Canon Kabushiki KaishaInventors: Hiromichi Noguchi, Masami Ikeda, Makiko Kimura, Masato Katayama, Akio Kashiwazaki, Yoshie Nakata, Yuko Nishioka
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Patent number: 5853900Abstract: Paper coating slips contain an emulsion copolymer, comprising overallfrom 0 to 60% by weight of a vinylaromatic,from 40 to 95% by weight of a C.sub.1 -C.sub.10 -alkyl (meth)acrylate,from 5 to 40% by weight of an alkenylnitrile,from 0 to 10% by weight of an ethylenically unsaturated acid andfrom 0 to 20% by weight of further monomersas a binder, wherein the emulsion copolymer is a mixture of at least two polymers or an emulsion copolymer comprising at least two stages, one polymer or one stage whose content in the emulsion copolymer is from 10 to 75% by weight containing at least 90% by weight of the total amount of alkenylnitrile (alkenylnitrile-rich polymer or stage).Type: GrantFiled: March 27, 1997Date of Patent: December 29, 1998Assignee: BASF AktiengesellschaftInventors: Bernhard Schuler, Elmar Schwarzenbach, Jurgen Hartmann, Chung-Ji Tschang
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Patent number: 5849833Abstract: The present invention relates to fast drying waterborne printing inks and to method of using such inks in high speed printing processes, such rotogravure and flexographic printing processes. The printing ink includes, for example, a blend of a latex binder and a polyfunctional amine. The pH of the ink is raised by adding a sufficient amount of base, to a point where essentially all of the polyfunctional amine in the blend is in a deprotonated state.Type: GrantFiled: July 10, 1996Date of Patent: December 15, 1998Assignee: Rohm and Haas CompanyInventors: Caren Ann Puschak, Anne Margarat Bacho, Gary Robert Larson, Matthew Stewart Gebhard, Alvin Charles Lavoie
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Patent number: 5843320Abstract: 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 1, 1998Assignee: Cytec Technology Corp.Inventors: Sun-Yi Huang, Louis Rosati, Joseph J. Kozakiewicz
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Patent number: 5821297Abstract: The invention refers to an aqueous dispersion for the production of an at least two-component polyurethane-modified dispersion adhesive especially suited for the lamination of fabrics, foil and such materials onto carrier materials. The dispersion contains at least one hydroxyl-group containing polymer compound to react with a dispersible hardener to be added to the dispersion, the hardener itself containing a di- or polyfunctional isocyanate compound. The dispersion contains either a (co) polymer compound derived of ethylene vinylacetate (EVA) in addition to a (co)polymer compound derived of (meth) acrylic acid (derivative) or one of these two (co)polymer compounds besides one plasticizer.Type: GrantFiled: October 19, 1995Date of Patent: October 13, 1998Assignee: H. B. Fuller Licensing & Financing, Inc.Inventors: Christian W. Arnold, Werner H. Pimpl
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Patent number: 5817713Abstract: A method for forming a water swellable coating and a water swellable coating for forming a coated substrate are provided. The water swellable coatings are semi-gel dispersions of particulate superabsorbent polymer in a polyvinyl chloride plastisol. A dispersion is formed from the polymer and plastisol, then contacted with a substrate and heat cured to a semi-gel state. The coatings are capable of swelling in the presence of water to protect the substrates from water penetration, block water from penetrating the coatings to reach other substrates or to retain water to prevent leakage.Type: GrantFiled: January 19, 1996Date of Patent: October 6, 1998Assignee: Fiber-Line, Inc.Inventors: Vincent J. Pappas, Louis A. Vitola, Vernon Z. Detwiler
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Patent number: 5804627Abstract: 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: January 28, 1997Date of Patent: September 8, 1998Assignee: Rohm and Haas CompanyInventors: Frank Landy, Andrew Mercurio, Roy Flynn
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Patent number: 5801738Abstract: A process for alleviating bleed and improving color in printed elements comprises applying an anionic printing liquid and a cationic printing liquid to a substrate adjacent to one another, wherein at least one of the printing liquids contains a polymer and reacting the anionic and cationic printing liquids with one another; wherein the color integrity of the anionic and cationic printing liquids is maintained.Type: GrantFiled: February 15, 1996Date of Patent: September 1, 1998Assignee: E. I. du Pont de Nemours and CompanyInventors: John Lawrence Stoffel, Arthur Charles Shor, Harry Joseph Spinelli, Sheau-Hwa Ma, Howard Matrick, Mark Leland Choy, Loren Eugene Johnson
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Patent number: 5798407Abstract: A hydrophilic resin composition comprising a water-absorptive resin (component A), a thermoplastic modified ethylene polymer (component B), and, if desired, a thermoplastic polymer (component C) which is different from the component B, the water-absorptive resin (component A) being present in an amount of 0.1 to 70% by weight of the total amount of the components A to C, the component A being uniformly dispersed in the thermoplastic polymers (components B+C), in the form of particles having an average particle diameter of 5 .mu.m or less.A process for producing a hydrophilic resin composition, comprising kneading a water-absorptive resin containing water (component A) whose water content is 25 to 80% by weight to obtain a rubber-like resin, incorporating a modified ethylene polymer (component B), and, if desired, a thermoplastic polymer (component C) and an additive (component D) into the rubber-like resin, and melt kneading the mixture.Type: GrantFiled: October 22, 1996Date of Patent: August 25, 1998Assignee: Mitsubishi Chemical CorporationInventors: Kazunori Yano, Hiroyoshi Kaito, Akeharu Wakayama, Shuhei Yada
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Patent number: 5792366Abstract: 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: August 11, 1998Assignee: Cytec Technology Corp.Inventor: Michael W. Coville
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Patent number: 5766704Abstract: The invention provides a conforming medium containing gels for customized fitting components, such as those used in a shoe. The invention further includes environmentally-responsive gels that are temperature-responsive so that they will react to body heat to transition from a liquid to a gel state or a gel state to a liquid state. The invention optionally includes thermally-sensitive dyes and other colorants in the environmentally-responsive gels. Furthermore, the invention is directed to an article for conforming to the contours of an object having isolation means, such as a bladder of a flexible member, to contain the environmentally-responsive gel therein.Type: GrantFiled: March 13, 1996Date of Patent: June 16, 1998Assignee: Acushnet CompanyInventors: Bernie Allen, Zoran Petrovic, Ivan Javni
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Patent number: 5763523Abstract: Stable compositions as flocculants comprising a blend of at least two inverse emulsions, at least one of which is a polymeric microemulsion, provide effective flocculating performance over time. Methods for preparing stable emulsion blends use stabilizing amounts of aldehyde scavenger.Type: GrantFiled: November 12, 1996Date of Patent: June 9, 1998Assignee: Cytec Technology Corp.Inventors: Haunn-Lin Chen, Richard F. Rice, Louis Rosati, Paul S. Waterman
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Patent number: 5763530Abstract: Stable compositions comprising a blend of at least two inverse emulsions, at least one of which is a polymeric microemulsion, provide effective flocculating performance over time. Methods for preparing stable emulsion blends use stabilizing amounts of aldehyde scavenger.Type: GrantFiled: November 12, 1996Date of Patent: June 9, 1998Assignee: Cytec Technology Corp.Inventors: Haunn-Lin Chen, Richard F. Rice, Louis Rosati, Paul S. Waterman
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Patent number: 5756589Abstract: The present invention relates to a rubber composition containing substantial silica reinforcement and pneumatic tires having treads comprised of such rubber composition. The rubber composition comprises an elastomer, substantial silica reinforcement, optionally a minor amount of carbon black reinforcement, and a triblock copolymer of terminal hard styrene based segments and of internal diene based elastomer segments.Type: GrantFiled: September 19, 1996Date of Patent: May 26, 1998Assignee: Goodyear Tire & Rubber CompanyInventors: Paul Harry Sandstrom, David John Zanzig, Mark Samuel Sinsky
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Patent number: 5750614Abstract: A process for preparing stable emulsions of polyelectrolytes of high molecular weight as reverse emulsion, in which:the monomers are dissolved in an aqueous phase,an organic phase containing a surface-active agent is prepared,these two phases are mixed to obtain an emulsion of the water-in-oil (W/O) type,the monomers are polymerized,the emulsion is incorporated to obtain a water-in-oil (W/O) emulsion, so as to make the polyacrylamide obtained water-soluble, which consists in adding to the aqueous phase a soluble polymer of low molecular weight, of the same general chemical nature and of the same ionic nature as the polyelectrolyte of high molecular weight which is envisaged.Envisaged application: preparation of polyacrylamide for flocculation and/or thickening applications (urban and industrial water treatments, papermaking).Type: GrantFiled: December 1, 1995Date of Patent: May 12, 1998Assignee: S.N.F.Inventors: Rene Hund, Sebastien Georges
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Patent number: 5747559Abstract: A composition comprising an ethylene containing polymer, a crosslinking agent and a treated filler material. The treated filler material comprises a treating agent which is a polymer comprising acrylonitrile and at least one other monomer. A preferred treated filler material is a treated carbon black and a preferred ethylene containing polymer is an ethylene vinyl acetate (EVA) polymer. A semiconductive composition of the present invention may be advantageously utilized in electrical wire and cable application.Type: GrantFiled: November 22, 1995Date of Patent: May 5, 1998Assignee: Cabot CorporationInventors: Robert S. Whitehouse, Thomas F. Reed
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Patent number: 5741828Abstract: The present invention is directed to a coating composition which includes a component A and component B. Component A is either an emulsion or dispersion having a hydrophobic elastomer stabilized with at lease one emulsifier. Component B is a dispersion or solution of a hydrophilic polymer which is insoluble in water, swellable in water and soluble in one or more water-miscible solvents. The hydrophobic elastomers may be polymers or copolymers of butadiene, isoprene, chloroprene, styrene, acrylonitrile, ethylene, propylene, isobutylene, alkylacrylates and alkylmethacrylates; polyrethanes, polyureas, polysiloxanes, elastomeric polyamides and polyesters. The hydrophilic polymers may be segmented polyurethanes, segmented polyures, segmented polyesters, partially hydrolyzed poly(vinyl acetate), partially hydrolyzed polyacrylonitrile, partially aminolyzed polyacrylonitrile, and ethylene glycol monomethacrylate.Type: GrantFiled: April 19, 1996Date of Patent: April 21, 1998Assignee: S.K.Y. Polymers, Inc.Inventors: Vladimir A. Stoy, Gerald A. Gontarz, Jr.
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Patent number: 5736605Abstract: A vinyl chloride resin composition comprising 100 parts by weight of a vinyl chloride resin, from 20 to 200 parts by weight of a plasticizer, from 10 to 250 parts by weight of a rubber material containing from 20 to 95 wt % of a gel content insoluble in tetrahydrofuran, and from 0.5 to 30 parts by weight of an acrylic resin obtained by copolymerizing from 20 to 50 wt % of methyl methacrylate with from 80 to 50 wt % of at least one monomer selected from the group consisting of acrylates, methacrylates (other than methyl methacrylate) and styrene.Type: GrantFiled: June 12, 1996Date of Patent: April 7, 1998Assignee: Mitsubishi Chemical MKV CompanyInventor: Masabumi Oshima
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Patent number: 5733621Abstract: An adhesive roofing tape is based on a combination of brominated butyl rubber and EPDM. A non-diene block terpolymer is interspersed in the cross-linked polymer network. A plasticizer and tackifier are included to provide resiliency and permanent tack. An important aspect of the invention is to use a high molecular weight polyisobutylene plasticizer and a peroxide curing system. Rapid crosslinking without concomitant rapid degradation of the brominated butyl rubber occurs and some limited degradation of the plasticizer contributes to surface tack. A method of making the adhesive roofing tape is also provided.Type: GrantFiled: March 20, 1997Date of Patent: March 31, 1998Assignee: Carlisle Companies IncorporatedInventors: Daniel John Cotsakis, Ronald Lynn Senderling, Nicholas John Shears
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Patent number: 5731371Abstract: The invention provides golf balls formed from the reaction product of compositions comprising an ester grafted hydrogenated nitrile butadiene rubber such as zinc dimethacrylate grafted hydrogenated nitrile butadiene rubber elastomer. The compositions may further include polybutadiene rubber. Balls made of these compositions are especially suited for use in restricted land spaces such as driving ranges.Type: GrantFiled: December 18, 1995Date of Patent: March 24, 1998Assignee: Lisco, Inc.Inventors: Robert Dennis Nesbitt, Michael J. Sullivan
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Patent number: 5726235Abstract: An aqueous coating composition wherein fine grains coated with water soluble resin composed of three monomers are contained in aqueous medium, each of said fine grains are composed of aqueous resin of ethylenically unsaturated monomer and aqueous colloidal silica, which are coexistent each other. Therefore, the aqueous coating composition is superior in not only contamination resistance, but also waterproof and weatherproof. The paint film formed by the above aqueous coating composition is excellent in its strength. Accordingly, this aqueous coating composition is useful for a coating base of exterior type coating material.Type: GrantFiled: April 14, 1995Date of Patent: March 10, 1998Assignee: National Starch and Chemical Investment Holding CorporationInventors: Motoyuki Takagi, Takeshi Baba
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Patent number: 5726224Abstract: 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.3 -alkyl and X is O or NH, and from 20 to 85% by weight of other monomers capable of undergoing free radical copolymerization are used as assistants in the spray drying of aqueous dispersions of polymers II which differ from the polymers I. The resultant powders are added to mineral binders.Type: GrantFiled: September 11, 1996Date of Patent: March 10, 1998Assignee: BASF AktiengesellschaftInventors: Erich Penzel, Gernot Franzmann, Maximilian Angel, Joachim Pakusch, Bernhard Schuler
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Patent number: 5712340Abstract: The present invention relates to an aqueous dispersion of a polymer composition comprising (A) a copolymer which comprises (a.sub.1) a unit derived from a vinyl monomer having a hydrolyzable silyl group and (a.sub.2) a unit derived from another vinyl monomer copolymerizable with (a.sub.1), and (B) a water-soluble polymer having an amineimide group. The aqueous dispersion of the present invention has good polymerization stability, mechanical stability and storage stability, and is useful in various applications such as coating materials, paints, adhesives, primers and binders.Type: GrantFiled: February 26, 1996Date of Patent: January 27, 1998Assignee: Sanyo Chemical Industries, Ltd.Inventors: Hiroaki Gyotoku, Satoshi Kuriyama, Kaoru Murata, Tatsuya Ohsumi
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Patent number: 5712338Abstract: Ink jet ink compositions containing an aqueous carrier medium, an aqueous carrier medium insoluble colorant, a structured polymeric dispersant and a film-forming polyacrylamide polymer having a weight average molecular weight of 500-100,000 exhibit reduced film cracking, rapid drying, excellent image definition, are storage stable and have excellent decap properties and, when used in combination with a differently colored ink, result in reduced bleed in multi-colored printed elements.Type: GrantFiled: December 27, 1996Date of Patent: January 27, 1998Assignee: E. I. Du Pont de Nemours and CompanyInventors: David Herbert Donovan, Gregg Allen Lane, Chaucer C. Tang
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Patent number: 5712346Abstract: Rubber articles are coated with a powder-free coating; the power-free/non-tacky coating comprises a copolymer formed by the sequential polymerization of two mixtures of monomers comprising styrene, alkyl acrylates, acrylic acid, methacrylic acid, and a silicone oligomer. The sequential polymerization of the two monomer mixtures produces a core copolymer surrounded by a shell copolymer, in which the two copolymers have differing glass transition temperatures.Type: GrantFiled: June 7, 1995Date of Patent: January 27, 1998Assignee: Avery Dennison CorporationInventor: Ivan Lee
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Patent number: 5705554Abstract: A coating composition for use as an overcoat or heat resistant coating having improved heat resistance comprised of an aqueous latex polymer emulsion and a water soluble or water-dispersible resin which containing a sufficient number of either (a) carboxyl groups or (b) carboxyl and amide groups which will form at least one anhydride ring or imide, in the presence of sufficient heat, and release water molecules, with the latex polymer having a particle size of less than about 1600 Angstroms and containing an effective amount of a nitrogen containing volatile base to achieve a pH of greater than about 7.5 to keep the resin solubilized or dispersed.Type: GrantFiled: July 10, 1995Date of Patent: January 6, 1998Assignee: The B.F. Goodrich CompanyInventors: Ti Chou, James Stanley Dodge, George Kletecka
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Patent number: RE36042Abstract: 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: May 2, 1997Date of Patent: January 12, 1999Assignee: Rohm and Haas CompanyInventors: Francis Joseph Landy, Andrew Mercurio, Roy Wesley Flynn