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    • 2. 发明授权
    • Coating compositions containing isocyanate-functional non-aqueous dispersed polymers
    • 含有异氰酸酯官能的非水分散聚合物的涂料组合物
    • US06632880B2
    • 2003-10-14
    • US09901394
    • 2001-07-09
    • Robert J. BarsottiLaura Ann LewinChristopher Scopazzi
    • Robert J. BarsottiLaura Ann LewinChristopher Scopazzi
    • C08L5100
    • C08G18/0871C08G18/6254C08G18/633C08G18/728C09D175/04
    • A coating composition containing about 40-90% by weight of film forming binder and 10-60% by weight of an organic liquid carrier; wherein the binder contains about (a) 10-70% by weight, based on the weight of the binder, of a dispersed gelled acrylic polymer having (i) a core of gelled polymerized ethylenically unsaturated monomers which is not soluble in the organic liquid carrier and having chemically grafted thereto (ii) substantially linear stabilizer polymeric components that are soluble in the organic liquid carrier and comprise polymerized ethylenically unsaturated monomers and have a weight average molecular weight of about 500-20,000 determined by GPC (gel permeation chromatography) using polystyrene as the standard; wherein the core, the stabilizer polymeric component, or both contain at least 3% by weight of polymerized ethylenically unsaturated monomers having isocyanate groups attached thereto that are capable of reacting with component (b); (b) 30-90% by weight, based on the weight of the binder, of an oligomer or polymer or both having functional groups capable of reacting with the isocyanate groups of component (a); and (c) 0-60% by weight, based on the weight of the binder, of an organic polyisocyanate crosslinking agent.
    • 一种涂料组合物,其含有约40-90重量%的成膜粘合剂和10-60重量%的有机液体载体; 其中所述粘合剂含有基于粘合剂重量10-70重量%的分散的凝胶状丙烯酸类聚合物,其具有(i)胶凝聚合的烯属不饱和单体的核心, (ii)可溶于有机液体载体并且包含聚合的烯键式不饱和单体并且重均分子量为约500-1000μm的基本上线性的稳定剂聚合物组分, 20,000,通过使用聚苯乙烯作为标准的GPC(凝胶渗透色谱法)测定;其中核心,稳定剂聚合物组分或两者含有至少3重量%的具有连接到其上的具有异氰酸酯基团的聚合的烯键式不饱和单体, 与组分(b)反应;(b)30-90重量%,基于粘合剂的重量,低聚物或聚合物或具有官能团能够 与组分(a)的异氰酸酯基团反应; 和(c)基于粘合剂的重量,为有机多异氰酸酯交联剂的0-60重量%。
    • 3. 发明授权
    • Coating compositions containing isocyanate-functional non-aqueous dispersed polymers
    • 含有异氰酸酯官能的非水分散聚合物的涂料组合物
    • US07479525B2
    • 2009-01-20
    • US10673831
    • 2003-09-29
    • Robert J. BarsottiLaura Ann LewinChristopher Scopazzi
    • Robert J. BarsottiLaura Ann LewinChristopher Scopazzi
    • C08L51/00
    • C08G18/0871C08G18/6254C08G18/633C08G18/728C09D175/04
    • A coating composition containing about 40-90% by weight of film forming binder and 10-60% by weight of an organic liquid carrier; wherein the binder contains about (a) 10-70% by weight, based on the weight of the binder, of a dispersed gelled acrylic polymer having (i) a core of gelled polymerized ethylenically unsaturated monomers which is not soluble in the organic liquid carrier and having chemically grafted thereto (ii) substantially linear stabilizer polymeric components that are soluble in the organic liquid carrier and comprise polymerized ethylenically unsaturated monomers and have a weight average molecular weight of about 500-20,000 determined by GPC (gel permeation chromatography) using polystyrene as the standard; wherein the core, the stabilizer polymeric component, or both contain at least 3% by weight of polymerized ethylenically unsaturated monomers having isocyanate groups attached thereto that are capable of reacting with component (b); (b) 30-90% by weight, based on the weight of the binder, of an oligomer or polymer or both having functional groups capable of reacting with the isocyanate groups of component (a); and (c) 0-60% by weight, based on the weight of the binder, of an organic polyisocyanate crosslinking agent.
    • 一种涂料组合物,其含有约40-90重量%的成膜粘合剂和10-60重量%的有机液体载体; 其中所述粘合剂包含基于粘合剂重量的约(a)10-70重量%的分散的凝胶状丙烯酸聚合物,其具有(i)不溶于有机液体载体的凝胶化聚合的烯键式不饱和单体核心 并且化学接枝到其上(ii)可溶于有机液体载体并且包含聚合的烯键式不饱和单体的基本上线性的稳定剂聚合物组分,并且通过使用聚苯乙烯作为聚苯乙烯的GPC(凝胶渗透色谱)测定的重均分子量为约500-20,000 标准; 其中所述核心,所述稳定剂聚合物组分或两者含有至少3重量%的能够与组分(b)反应的具有连接到其上的异氰酸酯基团的聚合烯属不饱和单体; (b)基于粘合剂重量的30-90重量%的低聚物或聚合物或具有能够与组分(a)的异氰酸酯基反应的官能团的二者; 和(c)基于粘合剂重量的0-60重量%的有机多异氰酸酯交联剂。