CAS: 25550-51-0; Methylhexahydrophthalic Anhydride

专利信息

专利号:US-9617396-B2
优先权日:2012-02-22
标 题:Method for in-situ synthesis of silicon nanoparticles
发明人：SCHUBERT CHLOÉ; PONCELET OLIVIER
权利人:COMMISSARIAT ENERGIE ATOMIQUE
摘要:The invention relates to a method for in-situ synthesis of silicon nanoparticles in a thermosetting polymeric matrix, the thermosetting and thermoset matrices obtained in this way and a material including same. The method includes the following steps: a) forming an aqueous-phase/organic-phase inverse emulsion, wherein the aqueous phase includes at least a basic catalyst and the organic phase includes at least a non-cross-linked (co)polymer precursor chosen from an aliphatic, cycloaliphatic or aromatic epoxy resin precursor, a polyester-imide precursor, an unsaturated/epoxy polyester (co)polymer precursor, a polyether/epoxy (co)polymer precursor and a polyurethane precursor; b) introducing, into the inverse emulsion formed in step a), at least one silicon precursor forming a complete network whereof the rate of hydrolysis is greater than the cross-linking speed of the (co)polymer and c) stirring the mixture obtained in step b) and heating to a temperature between 20° C. and 70° C.

专利号:US-5693848-A
优先权日:1994-10-21
标题:α, ω-polymethacrylate dicarboxylic acids, their synthesis and use as dicarboxylic acid components for the synthesis or modification of polyesters, polyurethanes or polyepoxides
发明人：ESSELBORN EBERHARD; FOCK JUERGEN
权利人:GOLDSCHMIDT AG TH
摘要:alpha , omega -polymethacrylate dicarboxylic acids of the general formula wherein R1is an optionally halogenated alkyl group with 1 to 22 carbon atoms, wherein the R1 group can assume different meanings in the polymer molecule, R2 is the group of a known chain transfer agent, which has a terminal -COOH croup and a has a value not less than 4. The invention furthermore relates to the synthesis of these compounds and their use as sole or partial components for the synthesis or modification of polyepoxides, polyesters, polyamides, alkyd resins or polyurethanes.

专利号:US-2009004396-A1
优先权日:2007-06-26
标题:Highly-Branched, Allyl Ether-Functionalized, Unsaturated Polyester Resins and Coating Compositions of the Same
发明人：WU SHAOBING; BRANDENBURGER LARRY; MELNYK THOMAS
权利人:VALSPAR CORP
摘要:The synthesis of highly-branched, allyl ether-functionalized, unsaturated polyester resins is disclosed herein, along with the utility of these resins in formulating formaldehyde-free, isocyanate-free, and styrene-free, low temperature and fast curing solvent-borne coatings, including wood coatings, and their use as alternatives for conventional acid catalyzed urea- or melamine-crosslinked coating systems.

专利号:US-7960493-B2
优先权日:2005-06-24
标 题 :Esterification process of polyols with tertiary alkyl substituted acids
发明人：HENRY NATHALIE SOLANGE JEANNE YVETTE; HEYMANS DENIS MARIE CHARLES; UYTTERHOEVEN GRIET
权利人:MOMENTIVE SPECIALTY CHEM INC
摘要:A process to prepare polyol esters from tertiary alkyl acid with reduced homo-polymerisation of the polyols. The ester polyol can be used in the synthesis of further polyester resins for coating or structural/composite or lube oil applications.

专利号:US-2007141386-A1
优先权日:2005-12-16
标 题 :Protected air-activated organotin catalysts for polyurethane synthesis
发明人：FELDMAN JERALD; MCLAIN STEPHAN J; BARSOTTI ROBERT J; O'NEIL JAMES W
权利人:FELDMAN JERALD; MCLAIN STEPHAN J; BARSOTTI ROBERT J; O'NEIL JAMES W
摘要:This invention relates to a protected organotin-based catalyst system for polyurethane synthesis that is useful in coatings applications. The catalyst has low activity in the absence of oxygen. When a coating mixture comprising the catalyst is sprayed and/or applied to a substrate as a thin film in air, the catalyst is activated. For solvent-based refinish systems comprising hydroxyl and isocyanate species at high solids levels, the catalyst system therefore provides extended viscosity stability, i.e., pot life.

专利号:US-7919423-B2
优先权日:2005-06-16
标题 :Air activated organotin catalysts for polyurethane synthesis
发明人：FELDMAN JERALD; MCLAIN STEPHAN JAMES
权利人:DU PONT
摘要:This invention relates to an organotin-based catalyst system for polyurethane synthesis that is useful in coatings applications. The catalyst has low activity in the absence of oxygen. When a coating mixture comprising the catalyst is sprayed and/or applied to a substrate as a thin film in air, the catalyst is activated. For solvent-based refinish systems comprising hydroxyl and isocyanate species at high solids levels, the catalyst system therefore provides extended viscosity stability, i.e., pot life.