专利号:US-9505880-B2 优先权日:2013-06-04 标题 :Synthesis of polyfunctional polyol acrylates 发明人:MCCARTHY KEVIN ROBERT; NIU WEIJUN; SCHISSEL DAVID NEAL; WALLACE ARTHUR LAWRENCE 权利人:CORNING INC 摘要:A method of synthesizing urethane-free polyfunctional acrylate compounds. The method includes reaction of a polyol with acrylic acid in the presence of an inhibitor. A catalyst may also be present. The catalyst may be an acid and the inhibitor may be a substituted phenol compound. Excess acid may be removed by adding a salt and excess water may be removed by adding a drying agent. The reaction converts alcohol groups of the polyol to acrylate groups to provide a radiation-curable polyfunctional acrylate compound. The reaction is applicable to polyols generally and provides a scalable high yield process for forming urethane-free polyfunctional acrylates over a wide range of molecular weights. Coatings made from the acrylate products exhibit modulus and tensile strength characteristics favorable for primary fiber coatings.
专利号:US-7803959-B2 优先权日:2006-04-05 标 题 :Synthesis of aromatic silicon-containing compounds 发明人:COGGAN JENNIFER A; BENDER TIMOTHY P; TOTH ALAN EDWARD JOHN 权利人:XEROX CORP 摘要:Methods are provided for preparing aromatic silicon-containing compounds. The methods include providing an aromatic starting material; reacting the aromatic starting material with a base to form an aromatic salt; and reacting the aromatic salt with a halo-alkylene-silane to form an aromatic silicon-containing compound. Compositions prepared by these methods, protective layers that include hydrolysis and condensation products of such compositions, electrophotographic photoreceptors that include such protective layers, and image forming apparatuses that include such electrophotographic photoreceptors are also provided. In addition, method for preparing electrophotographic photoreceptors that include protective layers including hydrolysis and condensation products of aromatic silicon-containing compounds prepared by the methods for preparing aromatic silicon-containing compounds are provided.
专利号:US-5556924-A 优先权日:1993-11-01 标题 :Synthesis of photoreactive polymeric binders 发明人:FITZGERALD MAURICE J; KEARNEY FREDERICK R; LIANG RONG-CHANG; SCHWARZEL WILLIAM C 权利人:POLAROID CORP 摘要:A photoreactive binder that may be used to enhance photospeed in either conventional plates or on-press developable lithographic printing plates. Briefly, a polymer of m-isopropenyl- alpha , alpha -dimethylbenzyl isocyanate is derivatized for vinyl group reactivity by reacting the isocyanate groups thereof with hydroxyalkyl acrylate. The resulting photopolymeric binder provides significantly higher photospeed than the non-reactive binder currently utilized in the production of conventional printing plates. The resulting lithographic printing plate also shows better durability (as manifested by longer run-length) and is more easily developed by the microencapsulated developers utilized in the present invention. As to the preparation of the photoreactive binders, the application discloses a method of copolymerizing m-isopropenyl- alpha , alpha -dimethylbenzyl isocyanate (m-TMI) through complexation with an electron-deficient monomer such as maleic anhydride to accelerate free radical copolymerization with other monomers, and thus, provides greater monomer-to-polymer conversion. Use of the resulting product in the photoresist of a lithographic printing plate improves its adhesion to an underlying substrate.
专利号:US-7576240-B2 优先权日:2006-04-26 标 题 :Arylamine processes 发明人:MURPHY LEANNE DAWN 权利人:XEROX CORP 摘要:Processes for selectively hydrogenating double and/or triple bonds in organic molecules include providing at least one organic molecule containing a double and/or triple bond, providing at least one hydrogen donor molecule, and hydrogenating the double and/or triple bond in the presence of at least one catalyst. Processes for preparing arylamine molecules include selectively hydrogenating double bonds in arylamine compounds by providing at least one organic molecule containing a multiple bond, providing at least one hydrogen donor molecule, and hydrogenating the multiple bond in the presence of at least one catalyst. The processes provide efficient, cost-effective and safe methods for conducting selective hydrogenation reactions in the synthesis of organic molecules, such as charge-transport molecules.
专利号:US-2008076049-A1 优先权日:2006-09-26 标 题 :Arylamine processes 发明人:SABAN MARKO D; MURPHY LEANNE DAWN; ENRIGHT THOMAS EDWARD 权利人:XEROX CORP 摘要:Continuous and batch processes for selectively hydrogenating double and/or triple bonds in organic molecules include providing at least one organic molecule containing a double and/or triple bond, providing at least one hydrogen donor molecule, and hydrogenating the double and/or triple bond in the presence of at least one catalyst. Continuous and batch processes for preparing arylamine molecules include selectively hydrogenating double bonds in arylamine compounds by providing at least one organic molecule containing a multiple bond, providing at least one hydrogen donor molecule, and hydrogenating the multiple bond in the presence of at least one catalyst. The continuous and batch processes provide efficient, cost-effective and safe methods for conducting selective hydrogenation reactions in the synthesis of organic molecules, such as charge-transport molecules.
专利号:US-2007238039-A1 优先权日:2006-04-05 标题:Synthesis of aromatic silicon-containing compounds