Solid Polymer Derived From Reactant Containing A Carboxylic Acid Ester Group Patents (Class 525/222)
  • Patent number: 6184294
    Abstract: A fabricated article other than a film comprising a thermoplastic blend prepared from polymeric materials consisting of; (A) from 1 to 99 weight percent of at least one interpolymer made from monomer components comprising (1) from 0.5 to 65 mole percent of (a) at least one aromatic vinylidene monomer, or (b) at least one hindered aliphatic or cycloaliphatic vinylidene monomer, or (c) a combination of at least one aromatic vinylidene monomer and at least one hindered aliphatic or cycloaliphatic vinylidene monomer, and (2) from 99.5 to 35 mole percent of at least one aliphatic &agr;-olefin having from 2 to 20 carbon atoms; and (B) from 99 to 1 weight percent of at least one polymer made from monomer components comprising at least one &agr;-olefin having from 2 to 20 carbon atoms. These articles possess improved properties when compared to the properties of articles derived from the individual polymers comprising the blend.
    Type: Grant
    Filed: March 2, 1999
    Date of Patent: February 6, 2001
    Assignee: The Dow Chemical Company
    Inventors: Chung P. Park, Johan Thoen, Rene Broos, Martin J. Guest, Yunwa W. Cheung, Bharat I Chaudhary, John J. Gathers, Lawrence S. Hood
  • Patent number: 6180725
    Abstract: A resin composition which increases the copper peeling strength and improves the dielectric properties of electric circuit boards is disclosed. The resin composition comprises: (a) 20-100 parts by weight of a syndiotactic polystyrene, (b) 1-40 parts by weight of a functionalized syndiotactic styrene-based copolymer having microfoaming when being cured, (c) 1-40 parts by weight of an epoxy-styrene copolymer, and (d) 0-40 parts by weight of an additive.
    Type: Grant
    Filed: July 29, 1999
    Date of Patent: January 30, 2001
    Assignee: Industrial Technology Research Institute
    Inventors: Hsien-Yin Tsai, In-Mau Chen, Wen-Faa Kuo
  • Patent number: 6180726
    Abstract: The present invention relates to a high temperature resistant coating composition and a method of using thereof. More particularly, the invention relates to a coating composition comprising a resin containing functional hydroxyl groups (A), a polyfunctional epoxy resin (B), and an anhydride compound.(C).
    Type: Grant
    Filed: March 10, 1998
    Date of Patent: January 30, 2001
    Assignee: H. B. Fuller Licensing & Financing Inc.
    Inventors: Wayne G. Eklund, Paula Bushendorf
  • Patent number: 6168862
    Abstract: A multiple layer structure comprising a skin layer composed of a polypropylene copolymer with styrene ethylene-butene styrene block copolymer within a range of 0-20% by weight skin layer, and, a radio frequency (“RF”) susceptible layer adhered to the skin layer. The RF layer has a first component of a propylene based polymer, a second component of a nonpropylene polyolefin, a third component of a radio frequency susceptible polymer, and a fourth component of a polymeric compatibilizing agent.
    Type: Grant
    Filed: June 16, 1999
    Date of Patent: January 2, 2001
    Assignee: Baxter International Inc.
    Inventors: Larry A. Rosenbaum, William Anderson, Lecon Woo, Dean Laurin, Angeles Lillian Buan, Michael T. K. Ling, Yuan Pang Samuel Ding, Denise S. Hayward, Joseph P. Hoppesch, Gregg Nebgen, Stanley Westphal
  • Patent number: 6168866
    Abstract: A curable fluorine-containing coating composition comprising: (i) an amino resin; (ii) an addition fluoropolymer comprising a copolymer of a fluorinated monomer having a fluorocarbon group of at least 3 carbons, and a non-fluorinated monomer having a crosslinking group capable of reacting with said amino resin at elevated temperatures; and (iii) a hardening agent capable of crosslinking with said amino resin at elevated temperatures.
    Type: Grant
    Filed: August 19, 1998
    Date of Patent: January 2, 2001
    Assignee: 3M Innovative Properties Company
    Inventor: Gregory D. Clark
  • Patent number: 6166142
    Abstract: Polyethylene-based adhesive compositions which contain as little as 5 weight percent, and up to 35 weight percent of an acid-grafted metallocene polyethylene have superior peel strength to comparable compositions containing an acid grafted non-metallocene and EVA or EMA polyethylene. Compositions where the acid-grafted metallocene polyethylene component is based on a metallocene polyethylene having a melt-flow ratio of less than 6.53 and an Mw/Mn of greater than the melt flow ratio less 4.63 are as good adhesive compositions as those based on metallocene resins falling outside these parameters.
    Type: Grant
    Filed: January 21, 1999
    Date of Patent: December 26, 2000
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: David Dawei Zhang, I-Hwa Lee, Stephen Robert Tanny
  • Patent number: 6166136
    Abstract: A resin composition utilizing coated resin moldings, the resin composition comprising 100 parts by weight of a crushed material of coated polyolefin resin moldings compounded with from 3 to 15 parts by weight of an ethylene polymer having a weight average molecular weight of from 50,000 to 180,000.
    Type: Grant
    Filed: July 21, 1998
    Date of Patent: December 26, 2000
    Assignees: Japan Polyolefins Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Hirofumi Murakami, Kazuhiko Sakai, Akihiro Katagiri, Yoshio Kitawaki, Takashi Nakayama, Kazuo Ito, Atushi Takeuchi, Minoru Makuta, Hitoshi Ohgane, Kenji Hamabe, Osamu Aoki
  • Patent number: 6162870
    Abstract: A rubber-modified styrene type polymer excellent in transparency and excellent in impact strength and moldability, is presented.A rubber-modified styrene type polymer comprising from 1 to 15 parts by weight of a dispersed phase made of a rubber-like elastic material and from 99 to 85 parts by weight of a continuous phase made of a polymer comprising from 35 to 75 wt % of styrene type monomer units and from 65 to 25 wt % of (meth)acrylate type monomer units, wherein the rubber-like elastic material is a styrene (30 to 50 wt %)-butadiene (70 to 50 wt %) block copolymer, the weight average molecular weight (Mw) of the polystyrene portions of this block copolymer is from 45,000 to 75,000, and the ratio (Mw/Mn) of Mw to the number-average molecular weight (Mn) is from 1.20 to 1.80.
    Type: Grant
    Filed: February 17, 1999
    Date of Patent: December 19, 2000
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Takeshi Yamada, Tetsuya Shinmura
  • Patent number: 6156842
    Abstract: The present invention pertains to structures and fabricated articles having shape/reshape behavior (and processes for their preparation) comprising;(A) from about 1 to 100 wt % (based on the combined weights of Components A and B) of at least one substantially random interpolymer having an I.sub.2 of 0.1 to about 1,000 g/10 min and an M.sub.w /M.sub.n of from about 1.5 to about 20, which comprises;(1) from about 38 to about 65 mol % of polymer units derived from;(a) at least one vinyl or vinylidene aromatic monomer, or(b) at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer, or(c) a combination of at least one aromatic vinyl or vinylidene monomer and at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer, and(2) from about 35 to about 62 mol % of polymer units derived from ethylene and/or at least one C.sub.3-20 .alpha.
    Type: Grant
    Filed: March 10, 1999
    Date of Patent: December 5, 2000
    Assignee: The Dow Chemical Company
    Inventors: Stephen M. Hoenig, Robert R. Turley, Yunwa W. Cheung, Martin J. Guest, Charles F. Diehl, Kenneth B. Stewart, John Sneddon
  • Patent number: 6153701
    Abstract: A wettable polypropylene composition comprising polypropylene and a hydrophilic, polar compound which includes functional sites selected from the group consisting of carboxyl, hydroxy, ether or ester moieties, wherein the polypropylene composition is wettable, having a contact angle less than or equal to 75.degree.. The hydrophilic polar compounds are selected from the group consisting of maleic anhydride-modified polypropylene (MAPP), acrylic acid modified polypropylene, ethylene acrylate modified polypropylene, polypropylene grafted with a sodium salt of an acrylic acid, polyethylene glycol (PEG), modified polyethylene glycol, polyvinyl alcohol (PVOH), polyvinyl formal (PVF); and monomer and dimer fatty acids having a carbon chain length in the range of 6 to 50, preferably 18 to 36. The compositions can further include the presence of an amorphous compound and surfactants.
    Type: Grant
    Filed: November 20, 1998
    Date of Patent: November 28, 2000
    Assignee: International Paper Company
    Inventors: Prasad S. Potnis, Ashok M. Adur, Wayne Chu
  • Patent number: 6153680
    Abstract: Thermoplastic polymer alloy compositions and a process for preparing the compositions are provided comprising a blend of polypropylene, uncrosslinked ethylene copolymer, ionomeric copolymer of ethylene and .alpha.,.beta.-unsaturated C.sub.3 -C.sub.8 carboxylic acid, crosslinking agent, and silicone elastomer. The compositions may further comprise particulate filler, color concentrate and/or coloring pigment. The compositions are particularly useful for forming interior skin sheets for applications where low gloss and high scuff resistance are desired without the need for painting. A one step process for preparing moldable sheets from the thermoplastic polymer alloy compositions by in-line compounding and reactive extrusion is also provided which eliminates separate compounding and pelletizing processing steps as precursors to the sheet extrusion process.
    Type: Grant
    Filed: June 30, 1999
    Date of Patent: November 28, 2000
    Assignee: Delphi Technologies, Inc.
    Inventors: Suresh Deepchand Shah, Srimannarayana Kakarala, Jeanne E. Schneider
  • Patent number: 6150468
    Abstract: The present invention is directed to amphiphilic star polymers and their use as emulsion stabilizers in emulsion polymerization.
    Type: Grant
    Filed: November 12, 1998
    Date of Patent: November 21, 2000
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Jules E. Schoenberg, Robert D. Harlan, Grant T. Shouldice, Paul M. Petersen
  • Patent number: 6147162
    Abstract: An acrylic film or sheet made from a resin composition comprising 95 to 50 wt. % of an acrylic resin which comprises methyl methacrylate as a main component and has a glass transition temperature in the range of 40 to 105.degree. C., and 5 to 50 wt. % of a multilayer-structured acrylic polymer containing an elastomeric layer, wherein the polymer is dispersed in the acrylic resin, a molded article comprising a thermoplastic resin molded material and the above film or sheet which is adhered and unified with the surface of the molded material, and a method for the production of the above molded article are provided. This film or sheet is an excellent film for use in a simultaneous injection molding and lamination method.
    Type: Grant
    Filed: August 12, 1998
    Date of Patent: November 14, 2000
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yoshio Tadokoro, Yousuke Tsukuda
  • Patent number: 6143822
    Abstract: A composition comprising:(a) polyethylene;(b) as a scorch inhibitor, 1,1-diphenylethylene, substituted or unsubstituted;(c) optionally, a cure booster; and(d) an organic peroxide.
    Type: Grant
    Filed: March 18, 1999
    Date of Patent: November 7, 2000
    Assignees: Union Carbide Chemicals & Plastics Technology Corporation, Hercules Incorporated
    Inventors: Paul Joseph Caronia, Michael John Keogh, John Salvatore Furno, Laurence Herbert Gross, Frederick F. Nelson, Tuyen T. Nguyen, Atanu Biswas
  • Patent number: 6132883
    Abstract: Powder coating compositions are described containing a blend of ionomers and polyethylene copolymers which fuse at temperatures of about 150.degree. C. or below and are durable, weatherable, solvent-resistant, and thereby provide transparent protective coatings on substrates such as signs, particularly traffic signs and license plates.
    Type: Grant
    Filed: May 2, 1997
    Date of Patent: October 17, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Joseph M. McGrath, Suman K. Patel
  • Patent number: 6127482
    Abstract: A composition comprising:(a) polyethylene;(b) a cure booster selected from the group consisting of 3,9-divinyl-2,4,8,10-tetra-oxaspiro[5.5]undecane (DVS); a copolymer of ethylene and DVS; and an ethylene homopolymer or copolymer having DVS grafted thereto; and(c) an organic peroxide.
    Type: Grant
    Filed: March 31, 1999
    Date of Patent: October 3, 2000
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventor: Michael John Keogh
  • Patent number: 6117465
    Abstract: An environmentally friendly polymer film pouch made from a polyethylene film structure for the packaging of flowable materials, for example milk, including, for example, a pouch made from a monolayer or multilayer film structure such as a two-layer or a three-layer coextruded film containing at least one layer of a blend of a linear ethylene interpolymer and a high pressure low density polyethylene as a seal layer. Also disclosed is a process for making a pouch for packaging flowable materials using a film structure of a blend of a linear ethylene interpolymer and a high pressure low density polyethylene.
    Type: Grant
    Filed: March 26, 1998
    Date of Patent: September 12, 2000
    Assignee: The Dow Chemical Company
    Inventor: Daniel James Falla
  • Patent number: 6117555
    Abstract: A water repellent coating composition comprises a fluororesin powder having a specific surface area ranging from 27 to 48 m.sup.2 /g and a molecular weight ranging from 10,000 to 100,000; an acrylic-silicone binder resin; and a solvent. The fluororesin may be preferably at least one resin selected from polytetrafluoroethylene resins, tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer resins, and tetrafluoroethylene/hexafluoropropylene copolymer resins. The coating composition can be used in various fields including constructions, civil engineering, transportation, communication. The coating films and coated articles produced with the water repellent coating composition exhibit excellent water repellency, antisnow- or antiice-sticking properties, and weatherability.
    Type: Grant
    Filed: April 16, 1997
    Date of Patent: September 12, 2000
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Susumu Fujimori, Masaya Takahashi, Mamoru Ishitani, Shinji Tsuru, Akira Iwasawa, Fumio Yamamoto, Satoru Kurosawa
  • Patent number: 6114447
    Abstract: Radio frequency-transmissive compositions having reduced dissipation factors, microelectronic devices, and in particular, wireless radio frequency communication devices which utilize such compositions, and methods of forming the same are described. In one implementation, a liquid resin is provided and a solid organic polymer filler material is provided within the resin to impart a degree of radio frequency transmissivity which is greater than that of the resin alone, i.e. the composition has a reduced dissipation factor. An exemplary resin comprises epoxy and an exemplary filler material is a polytetrafluoroethylene powder. In another implementation, such composition is formed or applied over a substrate which includes an antenna formed thereon and cured to provide a solid coating. The substrate can also have integrated circuitry and a battery mounted thereon to provide a wireless communication device. In such a case, the composition can be formed over and cured atop the integrated circuitry and the battery.
    Type: Grant
    Filed: August 14, 1997
    Date of Patent: September 5, 2000
    Assignee: Micron Technology, Inc.
    Inventor: Rickie C. Lake
  • Patent number: 6111013
    Abstract: The present invention relates to a process for the manufacture of a plastics product from a polyolefin resin using a plasticizer monomer system which is substantially non-polymerizable under the product shape forming, conditions used in the product manufacturing process and which acts as a plasticizer or processing aid under said shape forming conditions, while being substantially polymerizable subsequently so as to produce a product substantially free of liquid plasticizer. The plasticizer monomer is mixed with the polyolefin resin; and the mixture formed into a desired product form. Polymerization of the plasticizer monomer then provides a final product substantially free of liquid plasticizer.
    Type: Grant
    Filed: February 4, 1998
    Date of Patent: August 29, 2000
    Assignee: Forbo International S.A.
    Inventors: Brian Robert Simpson, Robert Ashley Mein, Richard Michael Kopchik
  • Patent number: 6111020
    Abstract: Ethylene vinyl acetate (EVA)/ethylene-styrene interpolymer (ESI) blends are described that are useful in preparing foams which exhibit improved compression set resistance, dimensional stability and rebound resilience at similar foam densities than known foam systems, e.g. EVA. The cross-linked foams of this invention are particularly useful in fabricating footwear and gasket products.
    Type: Grant
    Filed: July 15, 1998
    Date of Patent: August 29, 2000
    Assignee: The Dow Chemical Company
    Inventors: Steven R. Oriani, Seema V. Karande
  • Patent number: 6107454
    Abstract: Melt processed linear polyethylenes are shown to exhibit improved processability through the addition of certain surfactants. Among the melt processing parameters improved are reduced head pressure, reduced torque, reduced motor load, reduced or eliminated melt fracture, or combinations of these parameters. The surfactants can be chosen from a non-aromatic alkyl sulfonate or sulfate salt wherein a cation of the salt is selected from the group consisting of Na, K, Li, and other alkali cations and a quaternary ammonium cations, said surfactant being essentially free of halogens.
    Type: Grant
    Filed: August 6, 1997
    Date of Patent: August 22, 2000
    Assignee: Exxon Chemical Patents, Inc.
    Inventors: Joel Edward Schmieg, Thomas Craig Erderly, Dennis George Peiffer, James Joseph Chludzinski
  • Patent number: 6107385
    Abstract: A flame-retardant resin composition, which comprises 100 parts by weight of a synthetic resin having 70 to 100% by weight of metallocene LLDPE, 20 to 100 parts by weight of a magnesium hydroxide having a BET specific surface area of 20 m.sup.2 /g or less, an average secondary particle diameter of 5 .mu.m or less, measured according to a laser diffraction scattering method, and a water-soluble sodium salt content of 500 ppm or less as a sodium, 1 to 20 parts by weight of red phosphorus having an average secondary particle diameter of 30 .mu.m or less and 0.1 to 20 parts by weight of a carbon powder, the total of the magnesium hydroxide, the red phosphorus and the carbon powder being 120 parts by weight or less.
    Type: Grant
    Filed: April 27, 1999
    Date of Patent: August 22, 2000
    Assignee: Kyowa Chemical Industry Co., Ltd.
    Inventor: Takeshi Imahashi
  • Patent number: 6100335
    Abstract: Compositions based on propylene polymer, ethylene-vinyl acetate copolymer and organic peroxide, characterized in that they include, by weight:a) 10 to 49% of at least one propylene polymer;b) 90 to 51% of at least one ethylene-vinyl acetate copolymer in which the vinyl acetate content is from 12 to 40% by weight;c) between 50 and 1000 ppm (parts per million) of at least one organic peroxide. The sheets obtained by extrusion of these compositions can be employed for the internal trim in the motor vehicle industry.
    Type: Grant
    Filed: December 27, 1995
    Date of Patent: August 8, 2000
    Assignee: Solvay (Societe Anonyme)
    Inventors: Pierre Matz, Edmond Mulkens
  • Patent number: 6080819
    Abstract: Blends of olefin polymers and syndiotactic vinyl polymers are produced by the catalytic polymerization of olefins and aromatic vinyl compounds or methacrylate esters as vinyl compounds in inert diluents in the presence of a catalyst mixture of transition metal compounds, metalloxane compounds and metal alkyl compounds.The blends have a finely dispersed distribution of the blending components and are suitable for the production of films, sheets, fibers, panels, coatings, pipes, hollow objects, injection molded products and foams.
    Type: Grant
    Filed: June 11, 1998
    Date of Patent: June 27, 2000
    Assignee: Borealis AG
    Inventors: Manfred Raetzsch, Manfred Arnold, Jana Knorr
  • Patent number: 6070394
    Abstract: Disclosed herein is a stretch wrapping process wherein a roll of film is unwound and stretched, at a speed up to about 70 meters per minute, and the film is wrapped about the girth of a unitized plurality of goods, with the overlapping layers of film being held together by cling force. The film used in the present process is produced from a composition comprising about 85 to about 99 weight percent of a polymeric ethylenic containing component having a density no greater than 0.94 g/cc, and about 1 to about 15 weight percent of a propylene polymer comprising 0 to about 40 weight percent olefin comonomer units having 2 to 10 carbon atoms, and from about 60 to about 100 weight percent propylene.
    Type: Grant
    Filed: September 2, 1998
    Date of Patent: June 6, 2000
    Assignee: Eastman Chemical Company
    Inventors: Marc Stacey Somers, Guy Glen Luneau
  • Patent number: 6060563
    Abstract: Graft copolymers having cationic units pendant to the backbone chain are disclosed. These polymers are prepared by reacting a polymer containing halogenated paramethylstyrene units in the chain, e.g., a brominated copolymer of isobutylene and para-methylstyrene, with an anionically polymerized polymer made using an organolithium initiator compound having the formula R.sub.1 R.sub.2 Z R.sub.3 --Li where R.sub.1 and R.sub.2 are alkyl radicals, R.sub.3 is a direct link or an organic radical and Z is nitrogen or phosphorous. Reaction of the anionically polymerized polymer having an R.sub.1 R.sub.2 Z R.sub.3 --end group with the halogenated polymer leads to graft polymers coupled by a quaternary ammonium or phosphonium groups.
    Type: Grant
    Filed: May 23, 1997
    Date of Patent: May 9, 2000
    Assignee: Exxon Research and Engineering Co
    Inventors: Dennis G. Peiffer, Hsien-Chang Wang, Pamela Jean Wright, Joseph A. Sissano, Lewis J. Fetters, Louise M. Wheeler, Rebecca L. Rucker
  • Patent number: 6045902
    Abstract: A tearable film having excellent tear properties contains a dispersed phase and a continuous phase, with said film formed from a composition containing a styrenic polymer, an olefinic polymer, and a compatibilizer wherein the compatibilizer is selected from the group consisting of hydrogenated or modified copolymer of styrene and conjugated diene, olefinic copolymer having a cyclic olefin unit, and chlorinated polyolefin. The film composition is subjected, without stretching, to T-die molding or inflation molding to provide a tearable film. In the continuous phase of the film, said dispersed phase having an average aspect ratio of 3 or more and/or a thickness of 1 .mu.m or less is dispersed in layers. The ratio of the continuous phase to the dispersed phase is 35-98:2-65 (% by weight). In the film, the tearing maximum torque is 60 g.multidot.cm/.mu.m or less and the tearing maximum tensile force is 10 g/.mu.m or less, and the film can be torn straightly at least in one direction.
    Type: Grant
    Filed: July 1, 1994
    Date of Patent: April 4, 2000
    Assignee: Daicel Chemical Industries Ltd.
    Inventors: Shinichiro Imanishi, Kenji Ueda, Katsuhiko Sumida
  • Patent number: 6034176
    Abstract: Polymer compositions including an olefinic polymer, a polar polymer and a compatibilizer are disclosed. The compatilizer can be a block or graft copolymer including polymer portions that are compatible with the olefinic polymer and polymer portions that are compatible with the polar polymer.
    Type: Grant
    Filed: April 6, 1998
    Date of Patent: March 7, 2000
    Assignee: Teknor Apex Company
    Inventors: Raman Patel, Dan Mallin, Keith Saunders, Patrick Tiberio, John Andries
  • Patent number: 6020433
    Abstract: An anionic electrodeposition coating composition containing, as the heat curable resin components, (A) a water-dispersible vinyl copolymer having hydroxyl group, carboxyl group and an ester linkage modified by a lactone group compound and (B) a crosslinking agent.
    Type: Grant
    Filed: August 6, 1997
    Date of Patent: February 1, 2000
    Assignee: Kansai Paint Co., Ltd.
    Inventors: Koji Hirano, Hiroshi Inoue, Shinji Miyatake, Masahiro Kondo
  • Patent number: 6020416
    Abstract: The invention pertains to aqueous blends of colloidally dispersed polymers for use in making organic coatings which are hard and ductile at ambient temperature, which coatings remain stiff and elastic at temperatures well above their film-formation or drying temperature. In particular, the invention relates to specific combinations or thermoplastic blends of polymers of very high molecular weights. Such blends produce smooth, essentially crack-free coatings when dried conventionally under atmospheric pressure. Such blends are capable of developing the desired balance of properties without conventional amounts of volatile organic coalescing aids and without the need for chemical cure.
    Type: Grant
    Filed: February 2, 1998
    Date of Patent: February 1, 2000
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Stephen Mazur, Gerald Donald Andrews
  • Patent number: 6013202
    Abstract: A composition of matter useful for strippable shields for electric power cables comprises:a base polymer which is a copolymer of ethylene with a mono-unsaturated ester;conductive carbon black in an amount to give the composition an electrical resistivity below 500 .OMEGA.m; andas adhesion-controlling additive, a copolymer of ethylene with a mono-unsaturated ester containing from 0.5 to 2% by weight of side-chains each of which comprises an inflexible ring structure bonded to a backbone carbon atom of the copolymer with at most five atoms interposed between them.The compositions have the advantage of being less rubbery than current strippable-screen compositions and can be made successfully with copolymers of lower ester content.
    Type: Grant
    Filed: July 29, 1998
    Date of Patent: January 11, 2000
    Assignee: BICC General UK Cables Limited
    Inventors: Mark Richard Easter, Fiona Eleanor Keen
  • Patent number: 6004647
    Abstract: The invention relates to polymer blends which can be used both in foamed and unfoamed states as a replacement for conventional EPDM and other elastomers. The composition of the blend includes a single-site catalyzed polyolefin resin having a density of below 0.878 g cm.sup.-3 and up to 40 weight percent a polyolefin including ethylene and propylene. The polymer blend is cross-linked. The polymer blends are formable and foamable. The use of sulfur to vulcanize the polymer blend is not necessary. The polymer blends can be used to make foam for floatation or for making gaskets.
    Type: Grant
    Filed: July 7, 1997
    Date of Patent: December 21, 1999
    Assignee: Sentinel Products Corp.
    Inventors: John D. Bambara, Matthew L. Kozma, Todd Cagwin, Robert F. Hurley
  • Patent number: 6005053
    Abstract: Polymer mixtures are disclosed which comprise at least one homogeneously branched ethylene polymer (A) and at least one ethylene polymer (B) having a crystallinity which is at least 7% greater than the crystallinity of polymer (A) with certain provisos. A process for making a molded article using the disclosed polymer mixtures is disclosed as well as films, film layers, coatings and molded articles formed from those mixtures. These mixtures have several advantages over polymer compositions of the prior art, including improved properties at elevated temperatures such as improved softening point under load, improved hardness, improved toughness, improved 100% modulus of elasticity, improved compression set, improved ability to prevent oil bleed out at lower temperatures when the mixture contains oil and reduced injection molding cycle time. The mixtures retain their performance advantages even when substantial amounts of additives such as oil and filler are incorporated into the mixture.
    Type: Grant
    Filed: January 22, 1997
    Date of Patent: December 21, 1999
    Assignee: The Dow Chemical Company
    Inventors: Deepak R. Parikh, Pak-Wing S. Chum, Rajen M. Patel, Klye G. Kummer, Pradeep Jain, Thomas J. McKeand, Jr., Ronald P. Markovich, Timothy E. Clayfield, Wasif Ahmed Khan
  • Patent number: 6004425
    Abstract: One-component hot-curing structural adhesives based on liquid rubbers, which may optionally contain functional groups, solid rubbers, thermoplastic polymer powders and sulfur and also vulcanization accelerators are suitable for bonding metal parts. Tensile shear strengths of more than 15 MPa and high breaking elongations of more than 15% can be obtained. These adhesives are substantially free from low molecular weight epoxy resins and are particularly suitable for use in white-shell assembly in the car industry.
    Type: Grant
    Filed: July 25, 1997
    Date of Patent: December 21, 1999
    Assignee: Henkel-Teroson GmbH
    Inventors: Peter Born, Frank Dittrich
  • Patent number: 5998019
    Abstract: A multiple layer structure comprising a skin layer composed of a polypropylene copolymer with styrene ethylene-butene styrene block copolymer within a range of 0-20% by weight skin layer, and, a radio frequency ("RF") susceptible layer adhered to the skin layer. The RF layer has a first component of a propylene based polymer, a second component of a nonpropylene polyolefin, a third component of a radio frequency susceptible polymer, and a fourth component of a polymeric compatibilizing agent.
    Type: Grant
    Filed: November 16, 1993
    Date of Patent: December 7, 1999
    Assignee: Baxter International Inc.
    Inventors: Larry A. Rosenbaum, William Anderson, Lecon Woo, Dean Laurin, Angeles Lillian Buan, Michael T.K. Ling, Yuan Pang Samuel Ding, Denise S. Hayward, Joseph P. Hoppesch, Gregg Nebgen, Stanley Westphal
  • Patent number: 5994438
    Abstract: A pulverulent adhesive composition which comprises (a) at least one polymer selected from the group consisting of vinyl ester polymers, (meth)acrylate polymers and styrene(meth)acrylate polymers, (b) at least one tackifying resin (tackifier) and, optionally, (c) one or more protective colloids, and, optionally, (d) one or more anticaking agents. The present composition is suitable for use in formulations used for the adhesive bonding of porous and/or semiporous substrates.
    Type: Grant
    Filed: April 3, 1997
    Date of Patent: November 30, 1999
    Assignee: Hoeschst Aktiengesellschaft
    Inventors: Ulrich Geissler, Helmut Hintz, Ulrike Vogt-Saggau
  • Patent number: 5981142
    Abstract: A copolymer useful as a photoresist resin for submicrolithography, comprising glutarimide derivatives and acrylic acid derivatives as shown in Formula I and a photoresist composition comprising the same. ##STR1## wherein, R.sub.1 is a straight or branched alkyl group containing 0-30 carbon atoms; R.sub.2 and R.sub.3 independently represent straight or branched alkoxy or cycloalkoxy groups containing 1-15 substituted or non-substituted carbon atoms; R.sub.4 and R.sub.5 independently represent hydrogen or an alkyl group; and p, q and r, which may be the same or different, each is a polymerization ratio; p ranges from 10 to 90, q ranges from 10 to 90 and r ranges from 0 to 50.
    Type: Grant
    Filed: October 21, 1997
    Date of Patent: November 9, 1999
    Assignee: Hyundai Electronics Industries, Co., Ltd.
    Inventors: Jae Chang Jung, Cheol Kyu Bok, Hyung Gi Kim
  • Patent number: 5981663
    Abstract: The present invention relates to a chlorinated polyvinyl chloride compound and an article made therefrom. The compound comprises a two step CPVC resin, chlorinated polyethylene as well as an impact modifier. The compound exhibits good physical properties, chemical resistance as well as ease of processability.
    Type: Grant
    Filed: March 11, 1998
    Date of Patent: November 9, 1999
    Assignee: The B.F. Goodrich Company
    Inventors: Arthur Leonard Backman, Bernard Frank Cinadr
  • Patent number: 5971869
    Abstract: The present invention relates to golf balls having a cover and a core and to golf balls having a cover, a core, and an intermediate layer between the cover and the core, where the core or at least one of the intermediate layer or the core is formed from at least one terpolymer of a first monomeric component of an olefinic monomer having from about 2 to about 8 carbon atoms, a second monomeric component of an unsaturated acrylate class ester having from about 2 to about 18 carbon atoms, and a third monomeric component of at least one monomer selected from the group consisting of carbon monoxide, anhydride monomers, and monomers having a structure according to the formula ##STR1## where R.sub.1 is hydrogen or a linear chain or branched chain alkyl group of from about 1 to about 18 carbon atoms, and R.sub.2 is selected from the group consisting of linear chain alkyl, branched chain alkyl, carbocyclic, and unsubstituted aryl groups, each containing an epoxy moiety.
    Type: Grant
    Filed: May 16, 1997
    Date of Patent: October 26, 1999
    Assignees: Acushnet Company, E. I. du Pont de Nemours and Company
    Inventors: Murali Rajagopalan, Robert Joseph Statz
  • Patent number: 5962591
    Abstract: There is a need for halogen-free polymeric compositions which offer increased heat and ultraviolet light resistance for utilization in automotive interiors. For instance, it is particularly critical for polymers which are utilized in making skin compounds for automotive instrument and door panels to display excellent heat and ultraviolet light resistance.
    Type: Grant
    Filed: August 26, 1997
    Date of Patent: October 5, 1999
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Hung Dang Ngoc, Bernard Louis Marie Nigen
  • Patent number: 5959037
    Abstract: A novel acrylic copolymer elastomer comprising ?I! an alkyl acrylate; ?II! (a) CH.sub.a .dbd.CRCOOR.sub.2 OCOR.sub.1, (b) CH.sub.2 .dbd.CRCO?O(CH.sub.2) pCO!qOR.sub.1 or (c) CH.sub.2 .dbd.CRCOOR.sub.2 ?CO(CH.sub.2)pO!qCOR.sub.1 ; and ?III! (1) CH.sub.2 .dbd.CRCOO(CH.sub.2)nPhOR', (2) CH.sub.2 .dbd.CRCOO(CH.sub.2)nOCO(CH.sub.2)mPhOR', (3) CH.sub.2 .dbd.CHOCO(CH.sub.2)mPhOR', (4) CH.sub.2 .dbd.CHOCO(CH.sub.2)nOCO(CH.sub.2)mPhOR', (5) CH.sub.2 .dbd.CHO(CH.sub.2)nOCO(CH.sub.2)mPhOR' or (6) CH.sub.2 .dbd.CHPh(CH.sub.2)nOCO(CH.sub.2)mPhOR' where R is a hydrogen atom or a methyl group, R.sub.1 is an alkyl group, R.sub.2 is an alkylene group, R' is a hydrogen atom, an acyl group or a trialkylsilyl group and Ph is a phenylene group, provides a blend rubber having an improved cold resistance and an intermediate heat resistance between the heat resistance of acrylic copolymer elastomer and that of fluorine-containing elastomer, when blended with the fluorine-containing elastomer.
    Type: Grant
    Filed: August 6, 1996
    Date of Patent: September 28, 1999
    Assignee: Nippon Mektron, Limited
    Inventors: Kuniyoshi Saito, Iwao Moriyama, Jun Okabe
  • Patent number: 5907011
    Abstract: 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: Grant
    Filed: March 31, 1997
    Date of Patent: May 25, 1999
    Assignee: Clariant GmbH
    Inventors: Martin Jakob, Detlev Seip, Volker Matz, Stefan Hess
  • Patent number: 5905118
    Abstract: Disclosed herein are terpolymers of styrene, acrylonitrile and dimethyl styrene phosphonate and blends thereof with poly(styrene acrylonitrile) polymers and polymers and copolymers of methylmethacrylate.
    Type: Grant
    Filed: April 24, 1998
    Date of Patent: May 18, 1999
    Assignee: Bayer Antwerpen S.A./N.V.
    Inventor: Allen Robert Padwa
  • Patent number: 5889117
    Abstract: A semi-conductive or insulating composition includes an ethylene/octene copolymer and at least one additional polymer, such as ethylene/vinyl acetate. The composition may also include carbon black and other additives. The composition may be used as a semi-conductive or insulating layer in such applications as electrical cables.
    Type: Grant
    Filed: September 5, 1996
    Date of Patent: March 30, 1999
    Assignee: BICC Cables Corporation
    Inventor: Cindy L. Flenniken
  • Patent number: 5889118
    Abstract: A thermomorphic pressure sensitive adhesive is provided. The adhesive includes a continuous crystalline polymer component and a discrete crosslinked elastomeric polymer component. The pressure sensitive adhesive has at least one distinct crystalline melting point and is capable of transitioning between a secondary shape and a primary shape upon an increase in temperature.
    Type: Grant
    Filed: June 3, 1996
    Date of Patent: March 30, 1999
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Joaquin Delgado, Spencer F. Silver
  • Patent number: 5889120
    Abstract: A blend and flexible product made of two copolymers of an olefin and an ethylenically unsaturated carboxylic ester monomer. The copolymers are selected such that each copolymer includes greater than 6 weight percent ethylenically unsaturated carboxylic ester monomer, or selected to be more than 10 weight percent of the blend. If the copolyers have similar ester contents, that is differing by less than 6 weight percent, the copolymers are selected such that their difference in their melt flows is greater than about 8. If the copolymers have dissimilar ester contents, that is differing by more than 6 weight percent, the copolymers are selected such that the ratio of their melt flows is about 2 or less.
    Type: Grant
    Filed: June 24, 1996
    Date of Patent: March 30, 1999
    Assignee: The Proctor & Gamble Company
    Inventor: Hugh J. O'Donnell
  • Patent number: 5883169
    Abstract: Disclosed is a lens wafer suitable for use in preparing a laminated lens which wafer has a coating on at least one surface thereof in the form of a peelable protective film.
    Type: Grant
    Filed: April 17, 1996
    Date of Patent: March 16, 1999
    Assignee: Sola International Holdings Ltd.
    Inventors: David P. Spector, A. N. Sunder Ram
  • Patent number: 5874497
    Abstract: The invention relates to hot-melt adhesives characterized in that they include: a) 30 to 90% by weight (A) of at least one essentially amorphous poly-alpha-olefin and (B) of at least one ethylene/alkyl (meth)acrylate copolymer, the weight ratio (B)/(A)+(B) being between 0.05 and 0.55; b) 10 to 70% by weight of a tackifying resin; c) 0.1 to 3 parts by weight of an antioxidant for 100 parts by weight of the compounds under a) and b). It also relates to the use of these adhesives in the wood, bookbinding and packaging industries.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: February 23, 1999
    Inventors: Peter Schellenbeck, Markus Krieger, Wolgang Reuss, Thierry Dreyfus
  • Patent number: 5866639
    Abstract: A new and useful a plastic article, particularly plastic siding, with an accent color pattern incorporated therein, a specially formed accent color pellet which is useful in manufacturing such an article, and a process for producing the article using the pellets are provided. The process contemplates extruding a plastic product from a base material formed of powder-sized particles and specially formed accent color pellets. The accent color pellets are alloyed masses of resins and pigment which are larger than the powder particles of the base material, and have a higher vicat softening point temperature than the base material. The alloyed pellets are designed to melt controllably and to mix controllably with the base material.
    Type: Grant
    Filed: April 3, 1996
    Date of Patent: February 2, 1999
    Assignee: M. A. HannaColor a division of M. A. Hanna Company
    Inventors: John J. Dorchester, Bobby D. Smith, Ronald M. Harris