Patents by Inventor Shiow-Ching Lin
Shiow-Ching Lin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9090794Abstract: A composition comprising at least one vinylidene fluoride (VDF) polymer [polymer (F)]; and inorganic particles at least partially coated with at least one perfluoropolyether block copolymer [polymer (E)] comprising: A) one or more (per)fluoropolyoxyalkylene segment (chain Rf), comprising recurring units having at least one catenary ether bond and at least one fluorocarbon moiety, and B) one or more polyalkylene segment (chain Ra) comprising recurring units of formula: —(CR1R2—CR3R4)—, wherein R1, R2, R3, R4, equal to or different from each other, are selected from the group consisting of H, halogens (preferably F, Cl); C1-C6 (hydro)carbon groups, optionally containing fluorine or other heteroatoms, referably perfluoroalkyl or (per)fluorooxyalkyl. The invention also discloses a method of coating various substrates using said composition.Type: GrantFiled: May 19, 2011Date of Patent: July 28, 2015Assignee: SOLVAY SAInventors: Vincenzo Arcella, Eliana Ieva, Shiow-Ching Lin, Marco Avataneo, Giuseppe Marchionni
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Patent number: 8975330Abstract: A coating composition comprising: at least one polyacrylimide polymer (A)] comprising recurring units of formula (I), and further comprising recurring units complying with one or more of the following structures: J, JJ, JJJ, wherein R1, R2, R4, R5, R6, R7, equal to or different from each other are independently H or C1-20 alkyl group, R3 and R8, equal to or different from each other, are independently H, alkyl, cycloalkyl, alkaryl, aryl, heterocyclic C1-36 group, wherein said polymer (A) possesses an imidization degree of less than 80%; a liquid medium; and at least one vinylidene fluoride polymer (F) at least partially dissolved and/or at least partially dispersed in said liquid medium, wherein the amount of polymer (F) ranges from 50 to 90% wt. with respect to the total weight of polymer (A) and polymer (F).Type: GrantFiled: October 14, 2010Date of Patent: March 10, 2015Assignee: Solvay Specialty Polymers Italy S.p.A.Inventor: Shiow-Ching Lin
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Publication number: 20130178588Abstract: Composite polymerization initators are disclosed suitable to prepare polymer brush composites. The composite initators comprise groups of formula (1): -(L)n-CR2—B(RB1)2 ??(1) covalently anchored to the surface of a solid substrate. Disclosed are also a process for the preparation of the composite polymerization initiator as well as the polymerizaton process providing a polymer brush composite from said composite initiator.Type: ApplicationFiled: September 27, 2011Publication date: July 11, 2013Applicant: SOLVAY SPECIALTY POLYMERS ITALY, S.P.A.Inventors: Marco Avataneo, Giuseppe Marchionni, Evgeny Denisov, Shiow-Ching Lin, Fabrizio Spada, Bradley Lane Kent
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Publication number: 20130090417Abstract: A vinylidene fluoride (VDF) polymer composition comprising: at least one VDF polymer [polymer (F)]; and at least one additive obtained by treating inorganic particles with a mixture of modifying agents comprising: at least one fluoro-containing modifying agent [agent (X)] of formula: X4-mAYm wherein m is an integer from 1 to 3, A is a metal selected from the group consisting of Si, Ti and Zr, each of Y, equal to or different from each other, is a hydrolysable group, each of X, equal to or different from each other is a C1-C24 (hydro)(fluoro)carbon group, wherein at least one of X is a fluorine-containing C1-C24 group; and at least one hydrogen-containing functional modifying agent [agent (Z)] of formula: Z4-pEYp wherein p is an integer from 1 to 3, E is a metal selected from the group consisting of Si, Ti and Zr, each of Y, equal to or different from each other, is a hydrolysable group, each of Z, equal to or different from each other is a C1-C24 hydrocarbon group, wherein at least one of Z compriType: ApplicationFiled: June 10, 2011Publication date: April 11, 2013Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventors: Shiow-Ching Lin, Eliana Ieva
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Publication number: 20130059961Abstract: A composition comprising at least one vinylidene fluoride (VDF) polymer [polymer (F)]; and inorganic particles at least partially coated with at least one perfluoropolyether block copolymer [polymer (E)] comprising: A) one or more (per)fluoropolyoxyalkylene segment (chain Rf), comprising recurring units having at least one catenary ether bond and at least one fluorocarbon moiety, and B) one or more polyalkylene segment (chain Ra) comprising recurring units of formula: —(CR1R2—CR3R4)—, wherein R1, R2, R3, R4, equal to or different from each other, are selected from the group consisting of H, halogens (preferably F, Cl); C1-C6 (hydro)carbon groups, optionally containing fluorine or other heteroatoms, preferably perfluoroalkyl or (per)fluorooxyalkyl. The invention also discloses a method of coating various substrates using said composition.Type: ApplicationFiled: May 19, 2011Publication date: March 7, 2013Applicant: SOLVAY SAInventors: Vincenzo Arcella, Eliana Ieva, Shiow-Ching Lin, Marco Avataneo, Giuseppe Marchionni
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Publication number: 20120202935Abstract: A coating composition comprising: at least one polyacrylimide polymer (A)] comprising recurring units of formula (I), and further comprising recurring units complying with one or more of the following structures: J, JJ, JJJ, wherein R1, R2, R4, R5, R6, R7, equal to or different from each other are independently H or C1-20 alkyl group, R3 and R8, equal to or different from each other, are independently H, alkyl, cycloalkyl, alkaryl, aryl, heterocyclic C1-36 group, wherein said polymer (A) possesses an imidization degree of less than 80%; a liquid medium; and at least one vinylidene fluoride polymer (F) at least partially dissolved and/or at least partially dispersed in said liquid medium, wherein the amount of polymer (F) ranges from 50 to 90% wt. with respect to the total weight of polymer (A) and polymer (F).Type: ApplicationFiled: October 14, 2010Publication date: August 9, 2012Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.Inventor: Shiow-Ching Lin
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Patent number: 6812267Abstract: A process for making pigmented PVDF-based powder coatings by coagulation and powder based coatings made by the process. The process involves blending a PVDF latex and a water reducible acrylic polymer and pigment dispersion, adding coagulant to precipitate solid PVDF and pigment associated by ionic interaction with acrylic polymer binder, separating solids and drying the precipitate. Also, methods for coating substrates with the powder coating and coated substrates.Type: GrantFiled: May 21, 2003Date of Patent: November 2, 2004Assignee: Solvay Solexis, Inc.Inventors: Shiow-Ching Lin, Michelle Kelly, Bradley Kent
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Publication number: 20030212166Abstract: A process for making pigmented PVDF-based powder coatings by coagulation and powder based coatings made by the process. The process involves blending a PVDF latex and a water reducible acrylic polymer and pigment dispersion, adding coagulant to precipitate solid PVDF and pigment associated by ionic interaction with acrylic polymer binder, separating solids and drying the precipitate. Also, methods for coating substrates with the powder coating and coated substrates.Type: ApplicationFiled: May 21, 2003Publication date: November 13, 2003Inventors: Shiow-Ching Lin, Michelle Kelly, Bradley Kent
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Patent number: 6596790Abstract: A process for making pigmented PVDF-based powder coatings by coagulation and powder based coatings made by the process. The process involves blending a PVDF latex and a water reducible acrylic polymer and pigment dispersion, adding coagulant to precipitate solid PVDF and pigment associated by ionic interaction with acrylic polymer binder, separating solids and drying the precipitate. Also, methods for coating substrates with the powder coating and coated substrates.Type: GrantFiled: September 25, 2001Date of Patent: July 22, 2003Assignee: Solvay Solexis, Inc.Inventors: Shiow-Ching Lin, Michelle Kelly, Bradley Kent
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Publication number: 20030060558Abstract: A process for making pigmented PVDF-based powder coatings by coagulation and powder based coatings made by the process. The process involves blending a PVDF latex and a water reducible acrylic polymer and pigment dispersion, adding coagulant to precipitate solid PVDF and pigment associated by ionic interaction with acrylic polymer binder, separating solids and drying the precipitate. Also, methods for coating substrates with the powder coating and coated substrates.Type: ApplicationFiled: September 25, 2001Publication date: March 27, 2003Inventors: Shiow-Ching Lin, Michelle Kelly, Bradley Kent
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Patent number: 6362271Abstract: A weather resistant coating composition comprising a miscible polymer blend of highly crystalline polyvinylidene fluoride polymer and polyalkyl methacrylate, such as PVDF and PMMA. The miscible blend comprises from about 50 weight percent to about 90 weight percent polymer comprising polyvinylidene fluoride and from about 10 weight percent to about 50 weight percent polyalkyl methacrylate. The polyalkyl methacrylate having a molecular weight within the range of about 25,000 grams per mole to about 200,000 grams per mole. The crystallinity of the polyvinylidene fluoride polymer is about 20% to about 70%. The weather resistant coating has excellent and unexpected physical characteristics, including solvent resistance and gloss retention.Type: GrantFiled: August 27, 1999Date of Patent: March 26, 2002Assignee: Ausimont USA, Inc.Inventors: Shiow-Ching Lin, Craig Kamsler, Karol Argasinski
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Patent number: 6340720Abstract: A process for making a PVDF-based powder coating compositions using a co-coagulation process and compositions comprising co-coagulated PVDF, co-coagulated PVDF-based powder coating compositions and substances coated with these compositions. Vinylidene fluoride polymer latex compositions are mixed with compatible thermoplastic polymer latex, such as acrylic polymer latex, and a coagulant is added. The coagulant precipitates the vinylidene fluoride and polymer, and the precipitant is filtered and dried forming the powder coating. The powder coating is homogenous. The coating comprises no solvents and can be applied to a number of substrates.Type: GrantFiled: February 14, 2000Date of Patent: January 22, 2002Assignee: Ausimont USA, Inc.Inventors: Shiow-Ching Lin, Michelle Kelly, Bradley Kent
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Patent number: 6313222Abstract: A miscible polymer blend of superior mechanical strength, hardness and abrasion or mar resistance comprising PVDF and at least one compatible aromatic polyimide. The aromatic polyimide in the miscible polymer blend acts as a nucleating agent for PVDF crystallization. The miscible polymer blend comprising PVDF and aromatic polyimide does not exhibit the negative characteristic of reduced mechanical strength encountered in PVDF and polymer alloys known in the art. The PVDF/aromatic polyimide alloy is prepared by dissolving, separately, PVDF and the aromatic polyimide in a solvent and blending the solutions to form the required composition.Type: GrantFiled: October 1, 1999Date of Patent: November 6, 2001Assignee: Ausimont USA, Inc.Inventors: Shiow-Ching Lin, Michael Coates, Eli M Pearce, Ping-Tsung Huang
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Patent number: 6281280Abstract: A paint composition which comprises a binder component which includes a polyvinylidene fluoride polymer and a solvent component. The polyvinylidene fluoride polymer has a melt viscosity of at least 40 kPoise. Such paint compositions have low gloss and are useful as exterior weather-resistant paints for buildings where low-gloss paints are preferred.Type: GrantFiled: February 3, 1995Date of Patent: August 28, 2001Assignee: Ausimont USA, Inc.Inventors: Shiow-Ching Lin, Steven John Burks, Bradley Lane Kent, Craig Norman Kamsler
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Patent number: 5959022Abstract: A compatible blend of superior mechanical strength, hardness and abrasion or mar resistance comprising PVDF and a compatible organic polymer containing one or more imide groups. The alloy consisting of PVDF and a polymer containing imide groups is prepared by dissolving, separately, the PVDF and polymer in a solvent and blending the solutions to provide the required composition. The alloy can also be prepared by dispersing PVDF powder in a solution of polymer containing imide groups. After heating and drying, a homogeneous alloy is formed. In addition, melt extrusion of PVDF with the imide-containing polymer also generates the desired PVDF alloy.Type: GrantFiled: April 1, 1998Date of Patent: September 28, 1999Assignee: Ausimont USA, Inc.Inventors: Shiow-Ching Lin, Steven John Burks
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Patent number: 4816589Abstract: 1-Cyanoethylimidazoles are hydrogenated to provide the correspondng 1-aminopropylimidazoles, e.g., an ethanol solution of 1-cyanoethyl-2-ethyl-4-methylimidazole is hydrogenated at 1000 psi using Raney nickel catalyst to prepare 1-aminpropyl-2-ethyl-4-methylimidazole, useful as an intermediate in the preparation of epoxy accelerators.Type: GrantFiled: August 6, 1987Date of Patent: March 28, 1989Assignee: W. R. Grace & Co.-Conn.Inventors: Shiow-Ching Lin, Jennifer M. Quirk
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Patent number: 4797455Abstract: Novel curing agents for heat-curable single package epoxy resins, the agents being adducts of aminoalkyl imidazoles with isocyanates. Cures are effected on heating the epoxy resin for times as short as 5 seconds.Type: GrantFiled: August 6, 1987Date of Patent: January 10, 1989Assignee: W. R. Grace & Co.-Conn.Inventors: Shiow-Ching Lin, Ping-Lin Kuo
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Patent number: 4568405Abstract: This invention relates to a reactive plastisol dispersion comprising(1) a polyvinyl acetal thermoplast in particle form;(2) a liquid plasticizer member of the group consisting of(a) at least one an ethylenically unsaturated monomer, oligomer or prepolymer of the formula: ##STR1## wherein R is H or CH.sub.3, R.sub.1 is an organic moiety and n is 1 or more,(b) at least one unsaturated polyester containing the group: ##STR2## wherein R.sub.2 and R.sub.3 are organic moieties, x is 0-20 and y is 1-20; and(c) a mixture of (a) and (b); and, optionally, either(3) a free radical thermal initiator or(4) a photoinitiator for crosslinking. The reactive plastisol dispersion when fluxed can be useful as a sealant or adhesive.Type: GrantFiled: March 16, 1984Date of Patent: February 4, 1986Assignee: W. R. Grace & Co.Inventor: Shiow-Ching Lin
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Patent number: 4529820Abstract: This invention relates to novel cyanourea compounds of the formula: ##STR1## wherein R is the organic moiety of a polyisocyanate remaining after reaction of the isocyanate groups to form cyanourea groups and n is at least 2. The compound can be polymerized at room temperature to form a polymer having the recurring structural formula: ##STR2## i.e., N,N'-biscarbamyl-N-cyanoguanidine units connected together through the R group of the carbamyl moiety and m is greater than 2, or can be cured to a thermoset material on heating above 90.degree. C.Type: GrantFiled: July 9, 1984Date of Patent: July 16, 1985Assignee: W. R. Grace & Co.Inventor: Shiow-Ching Lin
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Patent number: 4465825Abstract: This invention is directed to processes for forming either solid, linear polymers or thermoset polymers from novel N-cyanourea compounds of the formula: ##STR1## wherein n is at least 2 and R is the organic moiety of a polyisocyanate remaining after reacting the NCO groups of the polyisocyanate with cyanamide, preferably under atmospheric conditions. These N-cyanourea compounds are polymerized to solid, linear polymers useful as an epoxy curing agent, by agitation for about 50 hours under atmospheric conditions or to a thermoset polymer useful per se as an adhesive or sealant by heating at a temperature above 90.degree. C.Type: GrantFiled: December 18, 1981Date of Patent: August 14, 1984Assignee: W. R. Grace & Co.Inventor: Shiow-Ching Lin