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    • 3. 发明申请
    • PRESSURE SENSITIVE ADHESIVE COMPOSITION AND A PRESSURE SENSITIVE ADHESIVE TAPE
    • 压敏胶粘组合物和压敏胶粘带
    • US20120058329A1
    • 2012-03-08
    • US13131701
    • 2009-11-24
    • Aizoh . SakuraiYasuhiro MinoHiroyasu NagataKosuke Sugawa
    • Aizoh . SakuraiYasuhiro MinoHiroyasu NagataKosuke Sugawa
    • C09J7/02B32B33/00C09J153/02C09J139/00C09J133/10B32B3/26C09J133/26
    • C09J153/02C08F287/00C09J4/00C09J4/06C09J7/26C09J7/38C09J133/08C09J2201/606C09J2433/00C09J2433/006C09J2453/00Y10T428/249983Y10T428/2809
    • A pressure sensitive adhesive is obtained by polymerizing a mixture containing: (1) 100 mass parts of (meth)acrylic monomer comprising 98-50 mass parts of a first monomer selected from an aliphatic (meth)alkyl acrylate having a carbon number of 4-6 and an aliphatic (meth)alkyl acrylate having a carbon number of 7-12, wherein the glass transition temperature of a homo-polymer thereof is −25 degrees C. or less; and 2-50 mass parts of a second monomer comprising one or more selected from the group consisting of: an amide group-containing ethylenic unsaturated copolymerizing monomer, a carboxylic group-containing ethylenic unsaturated copolymerizing monomer, an amino group-containing ethylenic unsaturated copolymerizing monomer, a non-tertial alkyl(meth)acrylate wherein the glass transition temperature of a homo-polymer thereof is −25 degrees C. or more; and a monomer represented by the chemical structural formula (I) CH2═CR1COO(R2O)nR3 or CH2═CR1COOR4R5 (R1methyl or H; R2 and R4=linear or branched alkyl having a carbon number of 1-6; R3=methyl, ethyl, or substituted or non-substituted phenyl; R5=substituted or non-substituted 4-membered or 5-membered ring containing oxygen; n=1-16); (2) 10-100 mass parts of a block copolymer; (3) 20-100 mass parts of hydrogenated tackifier; and (4) 0.05-1.0 mass parts of a photopolymerization initiator
    • 通过聚合混合物获得压敏粘合剂,所述混合物包含:(1)100质量份(甲基)丙烯酸单体,其包含98-50质量份的第一单体,所述第一单体选自碳数为4的脂族(甲基) 6和碳数为7-12的脂族(甲基)丙烯酸烷基酯,其中均聚物的玻璃化转变温度为-25℃或更低; 和2-50质量份的第二单体,其包含选自:含酰胺基的烯属不饱和共聚单体,含羧基的烯属不饱和共聚单体,含氨基的烯属不饱和共聚单体中的一种或多种 ,其中其均聚物的玻璃化转变温度为-25℃以上的非三(甲基)丙烯酸烷基酯; 和由化学结构式(I)表示的单体CH 2 = CR 1 COO(R 2 O)n R 3或CH 2 = CR 1 COOR 4 R 5(R 1甲基或H; R 2和R 4 =碳数为1〜6的直链或支链烷基; R 3 =甲基, 或取代或未取代的苯基; R 5 =含有氧的取代或未取代的4元或5元环; n = 1-16); (2)10-100质量份嵌段共聚物; (3)20-100质量份氢化增粘剂; 和(4)0.05-1.0质量份的光聚合引发剂