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    • 7. 发明申请
    • ADHESIVE COMPOSITIONS CONTAINING GRAFT COPOLYMERS
    • 含有GRAFT共聚物的粘合剂组合物
    • WO0222755A3
    • 2002-08-08
    • PCT/US0128855
    • 2001-09-13
    • ROHM & HAAS
    • LAU WILLIEVAN RHEENEN PAUL RALPH
    • C09J7/02B32B9/04B32B27/32C08F290/04C09J151/00C09J155/00C09J201/00
    • C09J151/00Y10T428/2878
    • The present invention provides adhesive compositions, particularly pressure sensitive adhesive compositions, comprised of from 30 weight percent to 70 weight percent of water insoluble graft copolymers dispersed in an aqueous medium. The graft copolymers are comprised of (i) from 1 weight percent to 30 weight percent of macromonomer, based on the total weight of the copolymer, wherein the macromonomer is water insoluble and has a number average molecular weight of from 2,000 to 50,000 g/mole and comprises from 85 to 100 weight percent polymerized units of at least one first ethylenically unsaturated monomer, 5 mole percent or less of polymerized mercapto-olefin compounds, and 10 weight percent or less polymerized acid-containing monomer; and (ii) from 70 weight percent to 99 weight percent of polymerized units of at least one second ethylenically unsaturated monomer, based on the total weight of the copolymer. In certain preferred embodiments, the adhesive compositions further comprise from 0.1 to 60 weight percent solids of at least one additive. The additive is selected from the group consisting of emulsifiers, defoamers, tackifiers, pigments, humectants, fillers, curing agents, thickeners, wetting agents, biocides, adhesion promoters, colorants, waxes, UV stabilizers, and antioxidants.
    • 本发明提供粘合剂组合物,特别是压敏粘合剂组合物,其由30重量%至70重量%的分散在水性介质中的水不溶性接枝共聚物组成。 接枝共聚物由(i)1重量%至30重量%的大分子单体组成,基于共聚物的总重量,其中大分子单体是不溶于水的,数均分子量为2,000-500g / mol 并且包含85至100重量%的聚合单元的至少一种第一烯属不饱和单体,5摩尔%或更少的聚合的巯基烯烃化合物和10重量%或更少的含聚合酸的单体; 和(ii)70重量%至99重量%的至少一种第二烯属不饱和单体的聚合单元,基于共聚物的总重量。 在某些优选实施方案中,粘合剂组合物还包含0.1至60重量%的固体的至少一种添加剂。 添加剂选自乳化剂,消泡剂,增粘剂,颜料,湿润剂,填料,固化剂,增稠剂,润湿剂,杀生物剂,粘合促进剂,着色剂,蜡,UV稳定剂和抗氧化剂。