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    • 1. 发明授权
    • Fluorine-containing copolymer and composition for preparing low reflectance film
    • 含氟共聚物和制备低反射膜的组合物
    • US06403744B1
    • 2002-06-11
    • US09640536
    • 2000-08-17
    • Shuyo AkamaHiromi SugimotoKentaro Tsutsumi
    • Shuyo AkamaHiromi SugimotoKentaro Tsutsumi
    • C08F21418
    • C08F214/182C08F214/188
    • The invention relates to a fluorine-containing copolymer. This copolymer contains 1-99 mol % of a special first repeating unit of a cyclic perfluoro group; and 99-1 mol % of a second repeating unit of a bivalent organic group. The copolymer has a number average molecular weight of from 1,000 to 1,000,000 determined in a gel permeation chromatography using polystyrene as a standard material thereof. The invention further relates to a composition for forming a low reflectance film. This composition contains as a film-forming component a fluorine-containing polymer containing the first repeating unit. This polymer can be the above copolymer. A film formed by applying the composition to a substrate provides low reflectance and is improved in hardness.
    • 本发明涉及一种含氟共聚物。 该共聚物含有1-99mol%的环状全氟基团的特殊的第一重复单元; 和99-1摩尔%的二价有机基团的第二重复单元。 该共聚物的数均分子量为1,000〜1,000,000,在使用聚苯乙烯作为标准材料的凝胶渗透色谱中测定。 本发明还涉及用于形成低反射率膜的组合物。 该组合物含有含有第一重复单元的含氟聚合物作为成膜组分。 该聚合物可以是上述共聚物。 通过将组合物施加到基材上形成的膜提供低反射率并且硬度提高。
    • 2. 发明授权
    • Curable fluorine-containing copolymer and coating liquid composition
containing same
    • 可固化的含氟共聚物和含有它的涂布液组合物
    • US5880234A
    • 1999-03-09
    • US831305
    • 1997-04-01
    • Kazuhiko MaedaYukio IkedaKentaro TsutsumiYutaka MaruyamaShuyo AkamaMichitaka Ohtani
    • Kazuhiko MaedaYukio IkedaKentaro TsutsumiYutaka MaruyamaShuyo AkamaMichitaka Ohtani
    • C08F214/18C08F218/10C08F12/22
    • C08F218/10C08F214/184C08F214/186
    • The invention relates to a curable fluorine-containing copolymer prepared by copolymerizing a monomer mixture. This monomer mixture is in an amount of 100 mol % in total and includes (a) 10-60 mol % of a first polymerizable monomer that is one of hexafluoroisobutene and hexafluoroacetone, each of which has one hexafluoroisopropylidene group; (b) 10-70 mol % of a fatty acid vinyl ester that is represented by a general formula of CH.sub.2 .dbd.CH--OC (.dbd.O) --R.sup.1 where R.sup.1 is one of an alkyl group and --(CH.sub.2).sub.m --R.sup.2 --(CH.sub.2).sub.n --H where R.sup.2 is one of a cycloalkylene group and a divalent aromatic group, and m and n are respectively integers each ranging from 0 to 12, the alkyl group having a carbon atom number of from 1 to 22 and an optional branched chain, each of the cycloalkylene group and the divalent aromatic group having an optional substituent; (c) 1-60 mol % of a second polymerizable monomer that has a cross-linkable functional group and a polymerizable double bond, the cross-linkable functional group being one selected from the group consisting of hydroxyl group, carboxyl group, hydrolyzable organosilyl groups, epoxy groups, .beta.-ketoester groups; and (d) 0-20 mol %, of a third polymerizable monomer that is different from the first and second monomers and the fatty acid vinyl ester and is free of a cross-linkable functional group. A coated film prepared by the application of a varnish containing the fluorine-containing copolymer is superior in water repellency and stain resistance.
    • 本发明涉及通过共聚单体混合物制备的可固化含氟共聚物。 该单体混合物的总量为100摩尔%,包括(a)10-60摩尔%的作为六氟异丁烯和六氟丙酮之一的第一可聚合单体,每个具有一个六氟异丙烯基; (b)10-70mol%由通式CH 2 = CH-OC(= O)-R1表示的脂肪酸乙烯基酯,其中R1是烷基和 - (CH2)m -R2- (CH2)nH,其中R2是亚环烷基和二价芳族基团之一,m和n分别为0-12的整数,碳原子数为1至22的烷基和任选的支链 ,各环亚烷基和具有任选取代基的二价芳基; (c)1-60摩尔%具有可交联官能团和可聚合双键的第二可聚合单体,所述可交联官能团选自羟基,羧基,可水解的有机甲硅烷基 ,环氧基团,β-酮酯基团; 和(d)0-20摩尔%的不同于第一和第二单体和脂肪酸乙烯基酯并且不含可交联官能团的第三可聚合单体。 通过使用含有含氟共聚物的清漆制备的涂膜具有优异的防水性和耐污染性。