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    • 97. 发明申请
    • Process for improving water-whitening resistance of pressure sensitive adhesives
    • 提高压敏粘合剂耐水白度的工艺
    • US20080249239A9
    • 2008-10-09
    • US11641176
    • 2006-12-19
    • Augustin ChenJong-Shing GuoTibor Pemecker
    • Augustin ChenJong-Shing GuoTibor Pemecker
    • C08F220/04
    • C09J133/064C08F220/18C09J2201/606
    • Pressure sensitive adhesive compositions having enhanced resistance to water-whitening comprising an aqueous emulsion polymer are disclosed. The polymer comprises the polymerization reaction product of a polymerizable aqueous emulsion comprising: (i) at least one hydrophobic alkyl acrylate or alkyl methacrylate ester of an alcohol, (ii) at least about 1 wt. % of at least one hydrophilic monomer, (iii) at least about 5 wt. % of at least one partially hydrophilic alkyl acrylate or alkyl methacrylate ester of an alcohol, and (iv) a water-soluble or water-dispersible polymerizable surfactant selected from compounds having a terminal allyl amine moiety, substituted phenyl compounds having at least one alkenyl substituent, polyoxyalkylene-1-(allyloxymethyl) alkyl ether sulfate salts, or mixtures thereof, and the average particle size of the polymer is less than or equal to 200 nm. Also disclosed are processes for preparing same.
    • 公开了具有增强的耐水性的含水乳液聚合物的压敏粘合剂组合物。 该聚合物包括可聚合水乳液的聚合反应产物,其包含:(i)至少一种疏水性烷基丙烯酸酯或醇的甲基丙烯酸烷基酯酯,(ii)至少约1wt。 %的至少一种亲水性单体,(iii)至少约5wt。 %的至少一种部分亲水的丙烯酸烷基酯或甲基丙烯酸烷基酯酯,和(iv)选自具有末端烯丙基胺部分的化合物的水溶性或水分散性可聚合表面活性剂,具有至少一个链烯基取代基的取代苯基化合物 ,聚氧化烯-1-(烯丙氧基甲基)烷基醚硫酸盐或其混合物,聚合物的平均粒度小于或等于200nm。 还公开了制备方法。
    • 99. 发明授权
    • Process for improving water-whitening resistance of pressure sensitive adhesives
    • 提高压敏粘合剂耐水白度的工艺
    • US06964991B2
    • 2005-11-15
    • US10154081
    • 2002-05-23
    • Augustin T. ChenJong-Shing GuoTibor Pernecker
    • Augustin T. ChenJong-Shing GuoTibor Pernecker
    • C09J133/08C08F220/18C09J11/02C09J11/08C09J133/06C08F2/26C08J3/03
    • C08F220/18C09J133/064C09J2201/606
    • Pressure sensitive adhesive compositions having enhanced resistance to water-whitening comprising an aqueous emulsion polymer are disclosed. The polymer comprises the polymerization reaction product of a polymerizable aqueous emulsion comprising: (i) a hydrophobic monomer mixture of at least one alkyl acrylate or alkyl methacrylate ester of an alcohol wherein the alkyl portion of the alcohol is linear or branched and contains at least 4 carbon atoms, and at least one styrenic monomer, wherein the styrenic monomer is up to about 30 wt. % of the total hydrophobic monomer mixture, (ii) at least about 1 wt. % of at least one hydrophilic monomer, (iii) at least about 5 wt. % of at least one partially hydrophilic monomer selected from alkyl acrylate or alkyl methacrylate esters of an alcohol wherein the alkyl portion of the alcohol has 1 to 2 carbon atoms, N-vinyl-2-pyrrolidone, or mixtures thererof, and (iv) a water-soluble or water-dispersible polymerizable surfactant selected from compounds having a terminal allyl amine moiety, polyoxyalkylene-1-(allyloxymethyl) alkyl ether sulfate salts, or mixtures thereof, and the average particle size of the polymer is less than or equal to 200 nm. Also disclosed are processes for preparing same.
    • 公开了具有增强的耐水性的含水乳液聚合物的压敏粘合剂组合物。 所述聚合物包括可聚合水乳液的聚合反应产物,其包含:(i)醇的至少一种丙烯酸烷基酯或甲基丙烯酸烷基酯酯的疏水性单体混合物,其中所述醇的烷基部分是直链或支链的并且含有至少4个 碳原子和至少一种苯乙烯类单体,其中苯乙烯类单体最多约30wt。 总疏水单体混合物的%,(ii)至少约1wt。 %的至少一种亲水性单体,(iii)至少约5wt。 %的至少一种选自丙烯酸烷基酯或醇的烷基甲基丙烯酸酯的部分亲水性单体,其中醇的烷基部分具有1至2个碳原子,N-乙烯基-2-吡咯烷酮或其混合物,和(iv) 选自具有末端烯丙基胺部分的化合物,聚氧化烯-1-(烯丙氧基甲基)烷基醚硫酸盐或其混合物的水溶性或水分散性可聚合表面活性剂,并且聚合物的平均粒度小于或等于200 nm。 还公开了制备方法。