Of Cross-linked Polyester Patents (Class 428/482)
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Patent number: 6472071Abstract: The present invention provides a low gloss powder coating composition comprising a polyester having hydroxyl and carboxyl groups and glycidyl-containing acrylic copolymer, the copolymer having a Tg less than about 55° C. and a number average molecular weight greater than about 8000.Type: GrantFiled: July 16, 2001Date of Patent: October 29, 2002Assignee: Reichhold, Inc.Inventors: Eric Dumain, Alan Toman, Goro Iwamura
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Patent number: 6468641Abstract: A composite film is described which consists of a primary unfilled polyester layer and a secondary polyester layer containing from 1 to 8% by weight, based on the weight of the secondary polyester layer, of finely divided silica particles having a volume weighted mean particle size diameter D[4,3] of from 2.3 to 6.2 micrometers. The composite film is used in backlit displays such as illuminated signboards and provides uniform light transmission while maintaining the same strength of illumination at all points over the area of the display.Type: GrantFiled: March 14, 2001Date of Patent: October 22, 2002Assignee: E. I. du Pont de Nemours & CompanyInventors: Karl Rakos, Paul David Alan Mills, Moira Logan, Noel Stephen Brabbs
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Patent number: 6468662Abstract: A laminating resin composition is disclosed which comprises an unsaturated polyester resin, a vinyl ester resin, a polyfunctional acrylate, and up to about 15 percent by weight of a vinyl monomer. Preferably, the vinyl ester resin has a molecular weight ranging from about 450 to 1500.Type: GrantFiled: April 11, 1997Date of Patent: October 22, 2002Assignee: Reichhold, Inc.Inventor: Hildeberto Nava
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Patent number: 6468653Abstract: The ability to transport body liquids in consumer products such as diapers, incontinents and feminine napkins is a key factor in their performance. This invention is designed to provide specific high fluxes (volume of liquid/(time*mass of polymer) of aqueous liquids in designated directions using bundles of new specially designed fibers. The key factors for the bundles are a high specific adhesion for the liquid of interest, a high specific volume of the bundle itself, and alignment of the fibers within the bundle. The invention includes novel liquid acquisition/distribution systems and absorbent products that include a liquid acquisition/distribution system which may incorporate the novel bundles of fibers.Type: GrantFiled: October 20, 2000Date of Patent: October 22, 2002Assignee: Clemson University Research FoundationInventors: Bobby Mal Phillips, Jackson Lee Nelson, Shriram Bagrodia
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Patent number: 6465096Abstract: The ability to transport body liquids in consumer products such as diapers, incontinents and feminine napkins is a key factor in their performance. This invention is designed to provide specific high fluxes (volume of liquid/(time*mass of polymer) of aqueous liquids in designated directions using bundles of new specially designed fibers. The key factors for the bundles are a high specific adhesion for the liquid of interest, a high specific volume of the bundle itself, and alignment of the fibers within the bundle. The invention includes novel liquid acquisition/distribution systems and absorbent products that include a liquid acquisition/distribution system which may incorporate the novel bundles of fibers.Type: GrantFiled: October 20, 2000Date of Patent: October 15, 2002Assignee: Clemson University Research FoundationInventors: Bobby Mal Phillips, Jackson Lee Nelson, Shriram Bagrodia
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Patent number: 6461688Abstract: A coating composition for application to primed metal substrates as a topcoat is disclosed. The coating composition is especially useful on metal closures for vacuum-packed food products. The coating composition is free of a halide-containing vinyl-polymer and comprises: (a) an acrylate co-polymer having pendant hydroxy groups, (b) a hydroxy-terminated polyester, (c) a crosslinker, and (d) a nonaqueous carrier.Type: GrantFiled: April 5, 2002Date of Patent: October 8, 2002Assignee: The Valspar CorporationInventors: Lawrence P. Seibel, Girish G. Parekh
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Patent number: 6461742Abstract: The invention concerns a polyester bearing tertiary carboxyl groups, characterised in that it consists of: (a) 8.1 to 35 moles of an aliphatic or cycloaliphatic of a polyol; (b) 9.1 to 36 moles of an aliphatic, cycloaliphatic or aromatic polycarboxylic acid; (c) 1.6 to 2.8 moles of an aliphatic, cycloaliphatic or aromatic compound comprising a tertiary carboxyl group and either a primary or secondary carboxyl group, or a primary or secondary hydroxyl group. Said polyester is prepared in several steps, the first steps consisting in the preparation of a polyester by condensation between (a) an aliphatic or cycloaliphatic polyol, and (b) an aliphatic, cycloaliphatic or aromatic polycarboxylic acid, the final step consisting in condensing said polyester with (c) an aliphatic, cycloaliphatic or aromatic compound comprising a tertiary carboxyl group and either a primary or secondary carboxyl group, or a primary or secondary hydroxyl group.Type: GrantFiled: July 27, 2000Date of Patent: October 8, 2002Assignee: UCB, S.A.Inventors: Luc Moens, Kris Buysens, Daniel Maetens
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Patent number: 6455142Abstract: The present invention provides a coated polymer film having an essentially streak-free coated surface that resists the formation of fog. The film includes a self-supporting polymer film layer, and an anti-fog coating on the film layer. The anti-fog coating, which can also be applied to alternate substrates, consisting essentially of a copolyester binder and an anionic surfactant, wherein the surfactant contains less than about 0.5 weight percent of a fluorosurfactant. A slip agent can also be included in the anti-fog coating.Type: GrantFiled: December 17, 1999Date of Patent: September 24, 2002Assignee: Mitsubishi Polyester Film, LLCInventors: John M. Heberger, Robin M. Donald, Jan C. Westermeier, F. Gene Funderburk, John G. Rollins
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Patent number: 6444781Abstract: The invention relates to resin intermediates and their preparation. The invention also relates to hydroxyl-functional, water-dispersible polymers formed from the intermediates and compositions containing the water-dispersible polymers. A preferred composition of the invention is a zero volatile organic content (VOC), ambient-cure enamel composition which contains a hydroxyl-functional, water-dispersible polyester.Type: GrantFiled: June 16, 2000Date of Patent: September 3, 2002Assignee: Eastman Chemical CompanyInventors: Thauming Kuo, Jeffery E. G. Powell
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Patent number: 6432549Abstract: A curl-resistant, antislip abrasive backing which includes a polymer-reinforced paper having a first surface and a second surface; a synthetic polymeric layer bonded to the first surface; and an amorphous, rubbery polymer film layer bonded to the second surface. Also provided is a curl-resistant, antislip abrasive paper which includes a polymer-reinforced paper having a first surface and a second surface; a synthetic polymeric layer bonded to the first surface; a layer of abrasive particles bonded to the synthetic polymer layer; and an amorphous, rubbery polymer film layer bonded to the second surface. By way of examples, the amorphous, rubbery polymer may be a polyester elastomer or an amorphous, rubbery polypropylene.Type: GrantFiled: August 27, 1998Date of Patent: August 13, 2002Assignee: Kimberly-Clark Worldwide, Inc.Inventor: Francis Joseph Kronzer
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Patent number: 6429158Abstract: A molding composition including reactive high-volatility monomeric groups, such as acrylics, at least one primary thermal initiator and at least one secondary thermal initiator is described. Molding processs using molding compositions including reactive high-volatility monomeric groups are also described.Type: GrantFiled: July 18, 2000Date of Patent: August 6, 2002Assignee: E. I. du Pont de Nemours and CompanyInventors: Rolf Thomas Weberg, Lawrence J. Simmons, Richard Reid Gleason
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Patent number: 6426140Abstract: The ability to transport body liquids in consumer products such as diapers, incontinents and feminine napkins is a key factor in their performance. This invention is designed to provide specific high fluxes (volume of liquid/(time*mass of polymer) of aqueous liquids in designated directions using bundles of new specially designed fibers. The key factors for the bundles are a high specific adhesion for the liquid of interest, a high specific volume of the bundle itself, and alignment of the fibers within the bundle. The invention includes novel liquid acquisition/distribution systems and absorbent products that include a liquid acquisition/distribution system which may incorporate the novel bundles of fibers.Type: GrantFiled: October 20, 2000Date of Patent: July 30, 2002Assignee: Clemson University Research FoundationInventors: Bobby Mal Phillips, Jackson Lee Nelson, Shriram Bagrodia
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Patent number: 6423418Abstract: A substrate having an adherent and stain resistant layer having durability and flexibility, said layer comprising the reaction product of a reactive polyester having free carboxylic acid and/or hydroxyl groups, a hydroxyl terminated polymer including repeat units from an oxetane having pendant —CH2—O—(CH2)n—Rf groups (said Rf groups generally being a fluorinated alkyl group) and an amino resin curative. The substrate may be printed or embossed or both. The coated substrate has both stain resistant properties and dry erase properties with dry erase markers. The coated substrate can be used as prepared or applied to other substrates.Type: GrantFiled: February 4, 1999Date of Patent: July 23, 2002Assignee: Omnova Solutions Inc.Inventors: Marten S. Callicott, David L. Hyde, Charles M. Kausch, Anthony Verrocchi, Joe A. Wright, Raymond J. Weinert, Robert E. Medsker, Daniel D. Woodland, Daniel C. Gottschalk
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Patent number: 6420040Abstract: A coating composition for application to primed metal substrates as a topcoat is disclosed. The coating composition is especially useful on metal closures for vacuum-packed food products. The coating composition is free of a halide-containing vinyl polymer and comprises: (a) an acrylate co-polymer having pendant hydroxy groups, (b) a hydroxy-terminated polyester, (c) a crosslinker, and (d) a nonaqueous carrier.Type: GrantFiled: April 30, 1999Date of Patent: July 16, 2002Assignee: The Valspar CorporationInventors: Lawrence P. Seibel, Girish G. Parekh
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Patent number: 6413648Abstract: The invention relates to a can or coil coating resin system. The system contains a mixture of at least 2 polymers wherein at least one polymer has a glass transition temperature greater than 45° C. and wherein the polymers are soluble in organic solvents. The polymer with the glass transition temperature of greater than 45° C. is preferably an amorphous polyester resin. The second polymer may be a resin with a dry solids content between 30% and 100% and a Tg of less than 40° C.Type: GrantFiled: October 18, 1999Date of Patent: July 2, 2002Assignee: DSM NVInventors: Albert Heyenk, Johannes Wilhelmus Besamusca
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Patent number: 6410147Abstract: The present invention is directed to a low gloss crosslinkable coating composition that produces a low gloss coating upon cure. The crosslinkable composition includes a binder component and a crosslinking agent. The binder component includes a combination of at least two partially compatible crosslinkable components retained in an evaporable medium, such that the low gloss coating exhibits a 60° specular gloss that is at least 5% lower than gloss of coatings from coating compositions containing any one of the crosslinkable components. The low gloss coating composition of the present invention is especially suited for OEM and refinish automotive coating applications, such as automotive fenders and automotive side boards, typically used in sport utility vehicles.Type: GrantFiled: August 24, 2000Date of Patent: June 25, 2002Assignee: E. I. du Pont de Nemours and CompanyInventors: Ding-Yu Chung, Isidor Hazan, Donald Albert Paquet, Jr.
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Patent number: 6410157Abstract: There is disclosed a casting film which is used for producing a ceramic green sheet and which comprises a substrate film (e.g. polyethylene terephthalate film) and a releasing layer formed thereon comprising a cured resin from (A) a stearic acid-modified alkyd resin and/or a stearic acid-modified acrylic resin and a (B) amino resin (e.g. melamine resin, urea resin and urea-melamine resin, each being etherified by a lower alcohol). The above casting film has excellent wettability of ceramic slurry and moderate releasability for the ceramic green sheet without the occurrence of repelling at the time of applying coating, and is well suited for use in the production of ceramic green sheets that are employed for ceramic capacitors, laminated inductor elements, etc.Type: GrantFiled: June 19, 2001Date of Patent: June 25, 2002Assignee: Lintec CorporationInventors: Toru Nakamura, Tomishi Shibano
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Patent number: 6387493Abstract: The ability to transport body liquids in consumer products such as diapers, incontinents and feminine napkins is a key factor in their performance. This invention is designed to provide specific high fluxes (volume of liquid/(time*mass of polymer) of aqueous liquids in designated directions using bundles of new specially designed fibers. The key factors for the bundles are a high specific adhesion for the liquid of interest, a high specific volume of the bundle itself, and alignment of the fibers within the bundle. The invention includes novel liquid acquisition/distribution systems and absorbent products that include a liquid acquisition/distribution system which may incorporate the novel bundles of fibers.Type: GrantFiled: November 15, 1999Date of Patent: May 14, 2002Assignee: Clemson University Research FoundationInventors: Bobby Mal Phillips, Jackson Lee Nelson, Shriram Bagrodia
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Patent number: 6387504Abstract: Composites useful in building structures such as floor tiles, are prepared having a very strong bond between a highly filled polymeric surface layer and a cementitious backing. The composite comprises: a first layer of solid particles intimately mixed with a polymeric binder; a second layer of an organic and/or inorganic solid; and a transitional layer located between the first and second layers comprising both the polymeric binder and the organic and/or inorganic solids wherein the polymeric binder is contained in pockets within the organic and/or inorganic solid and at least some of the pockets of the polymeric binder extend from the first layer.Type: GrantFiled: June 9, 1999Date of Patent: May 14, 2002Assignee: Margrace Enterprises INCInventor: John N. Mushovic
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Patent number: 6384102Abstract: Radiation-curable powder compositions, usable as paint or varnish, which comprise a mixture of at least one semi-crystalline polyester containing end methacryloyl groups and of at least one acrylic copolymer containing ethylenically unsaturated groups, these polyesters comprising the reaction products of a glycidyl methacrylate and of a semi-crystalline polyester containing end carboxyl groups.Type: GrantFiled: April 21, 2000Date of Patent: May 7, 2002Assignee: UCB S.A.Inventors: Luc Moens, Jean-Marie Loutz, Daniel Maetens, Patrick Loosen, Marc Van Kerckhove
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Patent number: 6383651Abstract: A polyester polymer including at least one polyoxetane block of repeating units derived from polymerizing at least one oxetane monomer having at least one pendant —CH2—O—(CH2)n— Rf group wherein said Rf group is partially or fully fluorinated is described. A preferred process for forming said polymer by reacting the hydroxyl terminated polymer with a polycarboxylic acid under appropriate conditions to form an ester linkage and then adding and reacting that product with polyester forming reactants.Type: GrantFiled: August 27, 1999Date of Patent: May 7, 2002Assignee: Omnova Solutions Inc.Inventors: Raymond J. Weinert, Edward N. Kresge, Robert E. Medsker, Daniel D. Woodland
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Patent number: 6380279Abstract: Radiation-curable powder compositions, usable as paint or varnish, which comprise a mixture of at least one semi-crystalline polyester containing end methacryloyl groups and of at least one amorphous polyester containing end methacryloyl groups, comprising the reaction products of a glycidyl methacrylate and of a semi-crystalline or amorphous polyester containing end carboxyl groups.Type: GrantFiled: April 17, 2000Date of Patent: April 30, 2002Assignee: UCB S.A.Inventors: Luc Moens, Jean-Marie Loutz, Daniel Maetens, Patrick Loosen, Marc Van Kerckhove
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Patent number: 6368725Abstract: Process for the preparation of a powder lacquer composition based on polyester by a) common or separate heating to a temperature of 120-200° C. of A) 99-40 wt. % polyester precondensates, and/or of monomers usable for the preparation thereof, B) 1-60 wt. % pigments and C) 0-10 wt. % wetting additives and/or further additives which are conventionally used for lacquers, wherein the percentages by weight total 100%, b) homogeneous mixing of the components A), B) and C) with the application of shear forces and with the heating temperature maintained, c) dispersion of the mixture obtained in a dispersing medium at a temperature equal to or above the melting temperature of the starting components A), B) and C) with further polycondensation of the polyester precondensate A), and/or of the monomers, d) cooling of the dispersion and addition of a conventional cross-linking agent for the polyester and optionally of conventional additives, within the temperature range 60 to 140° C.Type: GrantFiled: October 13, 2000Date of Patent: April 9, 2002Assignee: E. I. du Pont de Nemours and CompanyInventors: Knut Gräf, Hans-Ulrich Simmrock, Alexandra Jacobs, Volker Mörs, Bennett Ward
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Patent number: 6357278Abstract: A sensor comprises a substrate and a polymeric film disposed on the substrate. The polymeric film comprises at least one hardblock component and at least one softblock component. The invention also sets forth a method for enhancing detection of a target compound by a sensor. The method comprises disposing a polymeric film on a surface of the sensor, in which the polymeric film enhances detection of target compounds not normally sensed by a sensor without the polymeric film. The polymeric film comprises at least one hardblock component and at least one softblock component.Type: GrantFiled: August 9, 1999Date of Patent: March 19, 2002Assignee: General Electric CompanyInventors: Timothy Mark Sivavec, Radislav Alexandrovich Potyrailo
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Patent number: 6352774Abstract: The ability to transport body liquids in consumer products such as diapers, incontinents and feminine napkins is a key factor in their performance. This invention is designed to provide specific high fluxes (volume of liquid/(time*mass of polymer) of aqueous liquids in designated directions using bundles of new specially designed fibers. The key factors for the bundles are a high specific adhesion for the liquid of interest, a high specific volume of the bundle itself, and alignment of the fibers within the bundle. The invention includes novel liquid acquisition/distribution systems and absorbent products that include a liquid acquisition/distribution system which may incorporate the novel bundles of fibers.Type: GrantFiled: November 22, 1999Date of Patent: March 5, 2002Assignee: Clemson University Research FoundationInventors: Bobby Mal Phillips, Jackson Lee Nelson, Shriram Bagrodia
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Publication number: 20020022141Abstract: There is disclosed a casting film which is used for producing a ceramic green sheet and which comprises a substrate film (e.g. polyethylene terephthalate film) and a releasing layer formed thereon comprising a cured resin from (A) a stearic acid-modified alkyd resin and/or a stearic acid-modified acrylic resin and a (B) amino resin (e.g. melamine resin, urea resin and urea-melamine resin, each being etherified by a lower alcohol). The above casting film has excellent wettability of ceramic slurry and moderate releasability for the ceramic green sheet without the occurrence of repelling at the time of applying coating, and is well suited for use in the production of ceramic green sheets that are employed for ceramic capacitors, laminated inductor elements, etc.Type: ApplicationFiled: June 19, 2001Publication date: February 21, 2002Applicant: LINTEC CorporationInventors: Toru Nakamura, Tomishi Shibano
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Patent number: 6342299Abstract: The ability to transport body liquids in consumer products such as diapers, incontinents and feminine napkins is a key factor in their performance. This invention is designed to provide specific high fluxes (volume of liquid/(time*mass of polymer) of aqueous liquids in designated directions using bundles of new specially designed fibers. The key factors for the bundles are a high specific adhesion for the liquid of interest, a high specific volume of the bundle itself, and alignment of the fibers within the bundle. The invention includes novel liquid acquisition/distribution systems and absorbent products that include a liquid acquisition/distribution system which may incorporate the novel bundles of fibers.Type: GrantFiled: November 23, 1999Date of Patent: January 29, 2002Assignee: Clemson University Research FoundationInventors: Bobby Mal Phillips, Jackson Lee Nelson, Shriram Bagrodia
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Patent number: 6338890Abstract: A biaxially oriented laminated polyester film comprising a first polyester layer which contains two different types of inert fine particles having different average particle diameters and has a surface roughness of 4 to 15 nm and a second polyester layer which may contain inert fine particles and has a surface roughness of 0.5 to 3.5 nm. The film has a friction coefficient between the first polyester layer and the second polyester layer of 0.5 or less and a good roll form. A cover layer may be further formed on the second polyester layer. The film can be used as a magnetic recording medium by forming a magnetic layer on the second polyester layer or the cover layer overlying the second polyester layer.Type: GrantFiled: January 6, 2000Date of Patent: January 15, 2002Assignee: Teijin LimitedInventors: Ieyasu Kobayashi, Toshifumi Osawa
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Patent number: 6337137Abstract: The invention relates to a powder paint composition comprising a polymer that contains endomethylene tetrahydrophthalic acid units and a crosslinker. The polymer is obtained by preparing an unsaturated polymer in a first step, which then reacts with cyclopentadiene at a temperature between 160 ° C and 220 ° C in a second step. The polymer preferably contains more than 10 wt.% endomethylene tetrahydrophthalic acid units and is preferably an unsaturated polymer.Type: GrantFiled: October 14, 1999Date of Patent: January 8, 2002Assignee: DSM N.V.Inventors: Fokeltje A. Koldijk, Eimbert G. Belder, Coenraad M. Gehrels, Tosko A. Misev
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Patent number: 6316109Abstract: A crosslinking agent having reactive benzoxazine groups is provided. The crosslinking agent is the ungelled reaction product of a polyhydric aromatic compound and an aminotriazine compound having one or less non-alkylated NH bond per triazine ring. The crosslinking agent is essentially free of hydroxyl functionality and has a glass transition temperature of at least 10° C. Additionally provided is a method for preparing the crosslinking agent. Also provided is a curable powder coating composition including a solid particulate, film-forming mixture of a polymer having functional groups reactive with benzoxazine groups and the crosslinking agent. Further provided is a multilayer composite coating composition having a base coat layer deposited from a film-forming base coating composition and a topcoat layer deposited from the curable powder coating composition. Coated substrates are also provided.Type: GrantFiled: September 21, 2000Date of Patent: November 13, 2001Assignee: PPG Industries Ohio, Inc.Inventors: Ronald R. Ambrose, Anthony M. Chasser, Shengkui Hu, John R. Schneider, Jackie L. Smith
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Patent number: 6306509Abstract: A laminate comprising an ion conductive material having excellent ion conductivity at room temperature or at lower temperatures, a small water content, sufficiently high mechanical strength and storage stability to allow for handling the ion conductive material in practice, and a form which is easily integrated into an electrochemical element or electrochemical devices. Also disclosed is a production method thereof, and a method of producing a battery, a capacitor or an electrochemical element or apparatus using the laminate. The laminate comprises an intermediate layer of an ion conductive material having on the upper and lower portions thereof outer layers having an ion conductivity lower than that of the intermediate layer. Furthermore, at least one of the outer layers is a layer comprising a non electron-conductive material.Type: GrantFiled: October 8, 1997Date of Patent: October 23, 2001Assignee: Showa Denko K.K.Inventors: Masataka Takeuchi, Shuichi Naijo, Takashi Ohkubo, Junji Yotsuyanagi, Motoyuki Hirata
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Publication number: 20010028132Abstract: Method for on-mold surface coating fiberglass-reinforced molded articles during their manufacture with environmentally friendly and physiologically safe thermosetting unsaturated polyester on-mold coating powders which serve as replacements for liquid gel coats. The thermosetting coating powders employed are adapted to cure at low temperatures to avoid causing thermal damage to the heat sensitive plastic molds which must be reused over and over again, and to cure in the presence of atmospheric oxygen to enable over coating with liquid fill resins and fiberglass, which constitute the bulk of the finished article, without having the fill resins bleed through the powder coating film and detrimentally affect the overall quality of the surface finish.Type: ApplicationFiled: March 16, 2001Publication date: October 11, 2001Inventors: Edward G. Nicholl, Navin B. Shah
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Patent number: 6277497Abstract: A high solids coating composition comprising a branched hydroxy-functional polyester oligomer and a curing agent; and the oligomer itself containing at least 20% by weight of the binder of at least one of the following tertiary acid ester end groups: where R1, R2 and R3 are independently selected from CH3 and CH2OH; the composition being suitable as an automobile clearcoat or pigmented topcoat.Type: GrantFiled: January 14, 2000Date of Patent: August 21, 2001Assignee: E. I. du Pont de Nemours and CompanyInventors: Armand Aerts, Anne Demarre, Jozef Huybrechts, G. Todd Palmer
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Publication number: 20010014420Abstract: A laminate comprising an ion conductive material having excellent ion conductivity at room temperature or at lower temperatures, a small water content, sufficiently high mechanical strength and storage stability to allow for handling the ion conductive material in practice, and a form which is easily integrated into an electrochemical element or electrochemical devices. Also disclosed is a production method thereof, and a method of producing a battery, a capacitor or an electrochemical element or apparatus using the laminate. The laminate comprises an intermediate layer of an ion conductive material having on the upper and lower portions thereof outer layers having an ion conductivity lower than that of the intermediate layer. Furthermore, at least one of the outer layers is a layer comprising a non electron-conductive material.Type: ApplicationFiled: October 8, 1997Publication date: August 16, 2001Inventors: MASATAKA TAKEUCHI, SHUICHI NAIJO, TAKASHI OHKUBO, JUNJI YOTSUYANAGI, MOTOYUKI HIRATA, MOTOYUKI HIRATA
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Publication number: 20010012563Abstract: A silver-plated laminated body which is highly durable and can easily be manufactured has an undercoat layer, a silver-plated layer, a lower topcoat layer, and an upper topcoat layer which are successively disposed in the order named on a base of plastics. The undercoat layer comprises a coating film which is mainly made of an alkyd resin that is free of a catalyst. The silver-plated layer is formed by a silver mirror reaction. The lower topcoat layer comprises a coating film which is mainly made of polyester polyol. The upper topcoat layer comprises a coating film which is mainly made of polyester polyol containing a di-isocyanate compound as a hardener. The lower topcoat layer contains a colorant.Type: ApplicationFiled: November 29, 2000Publication date: August 9, 2001Inventor: Masayoshi Sakai
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Patent number: 6254977Abstract: A thermoplastic polyester resin is fed into a twin extruder, wherein a resin is heated for melting, thereby removing moisture in the resin by evacuating and sucking from a vent port thereof, injecting a foaming agent into the resin to which is pushed out as a foaming sheet and, after that, forming the foaming sheet which is divided into a forming body and a trimming loss, whereby the trimming loss is crushed to obtain crushed materials which are provided so as to put the materials into the twin extruder as collection materials and recycle them.Type: GrantFiled: October 5, 1998Date of Patent: July 3, 2001Assignee: Sekisui Kaseihin Kogyo Kabushiki KaishaInventors: Susumu Ishiwatari, Masahiro Tsubone, Takaaki Hirai, Masahiro Shindo, Kiyoshi Yoshioka, Nobuyuki Tsujiwaki
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Patent number: 6251505Abstract: A composite film is described which consists of a primary unfilled polyester layer and a secondary polyester layer containing from 1 to 8% by weight, based on the weight of the secondary polyester layer, of finely divided silica particles having a volume weighted mean particle size diameter D[4,3] of from 2.3 to 6.2 micrometers. The composite film is used in backlit displays such as illuminated signboards and provides uniform light transmission while maintaining the same strength of illumination at all points over the area of the display.Type: GrantFiled: April 1, 1999Date of Patent: June 26, 2001Assignee: E. I. du Pont de Nemours and CompanyInventors: Karl Rakos, Paul David Alan Mills, Moira Logan, Noel Stephen Brabbs
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Patent number: 6203911Abstract: A molding composition including reactive high-volatility monomeric groups, such as acrylics, at least one primary thermal initiator and at least one secondary thermal initiator is described. Molding processs using molding compositions including reactive high-volatility monomeric groups are also described.Type: GrantFiled: June 17, 1998Date of Patent: March 20, 2001Assignee: E. I. du Pont de Nemours and CompanyInventors: Rolf Thomas Weberg, Lawrence J. Simmons, Richard Reid Gleason
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Patent number: 6203913Abstract: The present invention provides coating compositions including: (a) about 75 to about 99.9 weight percent of a crosslinkable film-forming system including one or more crosslinkable film-forming resins and one or more crosslinking materials which is capable of reacting with the film-forming resin to form a crosslinked film; and (b) one or more substantially saturated, predominantly hydrocarbon adhesion promoting agents having an average of more than one pendant or terminal polar group per molecule which are capable of reacting with the crosslinking material, the adhesion promoting agent(s) being present in an amount ranging from about 0.1 to about 25 weight percent on a basis of total resin solids of the coating composition. The coating compositions are useful for directly coating surfaces of thermoplastic and thermosetting plastic substrates, such as TPO and RIM, without the aid of flame or corona pretreatment, or the use of an adhesion promoter.Type: GrantFiled: December 16, 1998Date of Patent: March 20, 2001Assignee: PPG Industries Ohio, Inc.Inventors: Constantine A. Kondos, Edward E. McEntire, Masayuki Nakajima, Richard M. Nugent, Jr.
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Patent number: 6200683Abstract: The invention pertains to compositions which can be coated onto substrates. These compositions include a combination of a resin blend comprising a first polyester resin and a second polyester resin, wherein the first polyester is different from the second polyester, an aminoplast crosslinking resin, an acid catalyst, and a urea-aldehyde resin. Films prepared from coating compositions made in accordance with the present invention having improved stain resistance. In many instances, films prepared from coating compositions made in accordance with the present invention not only have improved stain resistance, but also have low temperature flexibility.Type: GrantFiled: December 16, 1994Date of Patent: March 13, 2001Assignee: PPG Industries Ohio, Inc.Inventors: Robert A. Montague, W. Scott Huffman, Jamel S. Richardson, Padmanabhan Sundararaman
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Patent number: 6200686Abstract: An unsaturated polyester resin composition includes: (A) 100 parts by weight of an unsaturated polyester having a dicyclopentenyl group; (B) 20 to 100 parts by weight of a polymerizable aromatic vinyl monomer; (C) 0.5 to 20 parts by weight of a polymerizable aliphatic vinyl monomer; and (D) 50 to 10000 ppm of a thermoplastic polymer relative to the total weight of the components (A), (B) and (C), in which the thermoplastic polymer is soluble in the polymerizable aliphatic vinyl monomer, and the weight ratio (D/C) of the component (D) to the component (C) is equal to or less than ⅕. The unsaturated polyester resin composition can provide a laminated or joint monolithic molding having markedly high secondary bond strength without deteriorating inherent drying characteristics of the unsaturated polyester resin composition having a dicyclopentenyl group. Moldings obtained by using the resin composition are also provided.Type: GrantFiled: November 16, 1999Date of Patent: March 13, 2001Assignee: Nippon Shokubai Co., Ltd.Inventors: Yukinori Ozaki, Tsugishige Iwaki
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Patent number: 6194525Abstract: The powder coating composition of the present invention includes a low-temperature mixture of a powder (A) and a powder (B), in which at least the powder (A) includes an unsaturated polyester resin and a free radical initiator for initiating polymerization of unsaturated polyester resins in the powder coating composition and the powder (B) includes a polymerization promoter and methods for making the composition. The powder (B) may further include an unsaturated polyester. The powders (A) and (B) are physically mixed at temperatures below which the polymerization promoter would cause the free radical initiator to initiate polymerization of the powder coating composition. Subsequently, the physically mixed powder coating composition is applied to a substrate and cured, during which the polymerization promoter causes the free radical initiator to initiate the curing reaction.Type: GrantFiled: May 11, 1998Date of Patent: February 27, 2001Assignee: Ferro CorporationInventors: Carlos E. Ortiz, Atam P. Sahni, Gerald W. Drabeck, Anthony S. Scheibelhoffer, Susan M. Sobek, Douglas E. Brand
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Patent number: 6180243Abstract: A compounded and plasticized vinyl chloride polymer layer, optionally supported with a fabric, contains an outer adherent, stain resistant layer having durability and flexibility. The adherent, stain resistant layer is derived from a water-based polyester-amino resin composition. The stain resistant layer comprises the reaction product of said polyester, an acid catalyst, and an amino resin. The vinyl chloride layer may be printed or embossed or both printed and embossed, optionally printed again, before the outer layer is applied. A laminate formed from the polyvinyl chloride polymer layer and the stain resistant layer can also be embossed.Type: GrantFiled: October 28, 1999Date of Patent: January 30, 2001Assignee: Omnova Solutions Inc.Inventors: Jay A. Johnson, Marten S. Callicott, Richard W. Davis, Daniel C. Gottschalk, Joseph L. Pate, Joe A. Wright
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Patent number: 6153304Abstract: Articles of manufacture are provided with a low surface energy, permanently non-stick, non-fouling and ice-phobic surface by a system of coating comprising applying a primary coating having a surface energy of 22-28 dynes/cm.sup.2 comprising a novel polymeric material having non-stick and hardness properties and then applying a top coating having lower surface energy of from about 18-21 dynes/cm.sup.2 comprising a siliconic polymer and interdigitating means to make the top coating permanent, the means preferably comprising a bi- or polyfunctional organic compound adapted to wet the surface of the primary coating and chemically or physically bond thereto and to couple to the siliconic polymeric substance in the top coating. The coated substrates are resistant to marking by graffiti, to adherence by marine fouling organisms, and frozen ice on the surface is easily removed.Type: GrantFiled: August 13, 1999Date of Patent: November 28, 2000Assignee: Decora IncorporatedInventors: John Ralph Smith, Nissim N. Garti
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Patent number: 6150436Abstract: This invention relates to materials containing polyreaction products, which contain reaction products of dicarboxylic acids or polycarboxylic acids or derivatives thereof with epoxidation products of carboxylic acid esters and at least one filler, methods for the production thereof, and the use thereof for the production of planar structures based on renewable raw materials.Type: GrantFiled: June 24, 1999Date of Patent: November 21, 2000Assignee: DLW AktiengesellschaftInventors: Bernd Kastl, Milko Ess, Hanns-Jorg Mauk
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Patent number: 6114042Abstract: Biodegradable polyesters P1 obtainable by reaction of a mixture consisting essentially of(a1) a mixture consisting essentially offrom 35 to 95 mol % of adipic acid or ester-forming derivatives thereof or mixtures thereof,from 5 to 65 mol % of terephthalic acid or ester-forming derivatives thereof or mixtures thereof, andfrom 0 to 5 mol % of a sulfonate compound,the sum of the individual mole percentages being 100 mol %, and(a2) a dihydroxy compound selected from the group consisting of C.sub.2 -C.sub.6 -alkanediols and C.sub.5 -C.sub.10 -cycloalkanediols,the molar ratio of (a1) to (a2) being chosen within the range from 0.4:1 to 1.5:1,with the proviso that the polyesters P1 have a molecular weight (M.sub.n) within the range from 5000 to 50,000 g/mol, a viscosity number within the range from 30 to 350 g/ml (measured in 50:50 w/w dichlorobenzene/phenol at a concentration of 0.5% by weight of polyester P1 at 25.degree. C.) and a melting point within the range from 50 to 170.degree. C.Type: GrantFiled: September 14, 1999Date of Patent: September 5, 2000Assignee: BASF AktiengesellschaftInventors: Volker Warzelhan, Gunnar Schornick, Bernd Bruchmann, Ursula Seeliger, Motonori Yamamoto, Peter Bauer
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Patent number: 6103387Abstract: A thermosetting composition comprises (A) a compound having in the molecule two or more carboxyl groups blocked by a vinyl ether compound, a vinyl thioether compound or a hetero compound having a vinyl type double bond and oxygen or sulfur as the hetero atom, (B) a compound having in the molecule two or more reactive functional groups which can form chemical bonds with the blocked carboxyl groups, and (C) a dispersing component of at least one inorganic oxide sol selected from the group consisting of aluminium oxide sol, silica sol, zirconium oxide sol and antimony oxide sol, and optionally (D) a thermal latent acid catalyst which is activated during curing the composition by heating. A method of coating and a coated article comprise applying the composition. The obtained paint film has excellent weathering resistance, stain resistance, stain-removing property, chemical resistance, moisture resistance and excellent appearance.Type: GrantFiled: June 10, 1997Date of Patent: August 15, 2000Assignee: NOF CorporationInventors: Toshio Yamamoto, Masahiro Sano, Hiroki Mizutani, Keiji Komoto, Masahiro Ishidoya
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Patent number: 6103376Abstract: The ability to transport body liquids in consumer products such as diapers, incontinents and feminine napkins is a key factor in their performance. This invention is designed to provide specific high fluxes (volume of liquid/(time*mass of polymer) of aqueous liquids in designated directions using bundles of new specially designed fibers. The key factors for the bundles are a high specific adhesion for the liquid of interest, a high specific volume of the bundle itself, and alignment of the fibers within the bundle. The invention includes novel liquid acquisition/distribution systems and absorbent products that include a liquid acquisition/distribution system which may incorporate the novel bundles of fibers.Type: GrantFiled: August 15, 1997Date of Patent: August 15, 2000Assignee: Eastman Chemical CompanyInventors: Bobby Mal Phillips, Jackson Lee Nelson, Shriram Bagrodia
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Patent number: 6077889Abstract: A light stabilizer package is disclosed. The light stabilizer package comprises a monomeric HALS having a pKa of no greater than 7, an ultraviolet light absorber and, optionally, a polymeric HALS having a pKa of less than 7. The light stabilizer package may be blended with a thermoplastic olefin to form a moldable light stable composition. An article comprising the moldable light stable composition may have an exterior surface that is at least partially coated.Type: GrantFiled: March 24, 1993Date of Patent: June 20, 2000Assignee: Solvay Engineered PolymersInventors: Edmund Kwok-Leung Lau, David K. Edge
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Patent number: 6074660Abstract: The present invention describes a polyoxaester copolymers containing amines and/or amido groups and blends thereof with other polymers that may be used to produce surgical devices such as sutures, sutures with attached needles, molded devices, and the like. The polyoxaesters copolymer of the present invention is formed from a first divalent repeating unit of formula IA:[--C(O)--R.sub.30 --C(O)--] IAa second divalent repeating unit of the formula IB:[O--C(O)--C(R.sub.1)(R.sub.2)--O--(R.sub.3)--O--C(R.sub.1)(R.sub.2)--C(O)-- ]Iand a third repeating unit of the formula:[--O--R.sub.12 --].sub.U, XVIand optionally a fourth repeating unit with a formula selected from the group consisting of:[--O--R.sub.4 --].sub.A, II[--O--R.sub.5 --C(O)--].sub.B, III([--O--R.sub.5 --C(O)].sub.P --O--).sub.L G XIand combinations thereof wherein R.sub.12 contains an internal amine or internal amide group.Type: GrantFiled: April 20, 1998Date of Patent: June 13, 2000Assignee: Ethicon, Inc.Inventors: Dennis D. Jamiolkowski, Rao S. Bezwada