申请人:Takeko Ryu
公开号:US20060252863A1
公开(公告)日:2006-11-09
To provide an adhesive comprising an acrylic resin (1), an acrylic resin (2), a silicone oligomer (3) and a crosslinking agent (4) wherein
the acrylic resin (1) comprises a structural unit (a) derived from a monomer (A) and a structural unit (b) derived from a monomer (B) and has a weight-average molecular weight of 1,000,000 to 2,000,000, wherein the (A) is a (meth)acrylic ester represented by the formula (A)
(wherein R
1
represents hydrogen atom or methyl group, and R
2
represents alkyl or aralkyl groups having 1 to 14 carbon atoms wherein hydrogen atom(s) of the R
2
may be substituted with alkoxy group having 1 to 10 carbon atoms), and
the (B) is at least any one of a (B-1) and a (B-2) wherein the (B-1) is a monomer comprising carboxyl group and one olefinic double bond, and the (B-2) is a monomer comprising at least one polar functional group selected from the group consisted of hydroxy group, amide group, amino group, epoxy groups oxetanyl group, aldehyde group and isocyanate group and an olefinic double bond; the acrylic resin (2) comprises the structural unit (a) and the structural unit (b) and has a weight-average molecular weight of 50,000 to 500,000; and
the silicone oligomer (3) has 2 to 100 structural units (s) derived from a compound (S) represented by
(wherein R
3
and R
4
represent alkyl group or phenyl group, X and Y represent hydrogen atom, optionally substituted alkyl group, optionally substituted phenyl group, optionally substituted alkoxy group, optionally substituted phenoxy group, optionally substituted aralkyl group, optionally substituted aralkyloxy group, vinyl group, vinyloxy group, 1,2-epoxycyclohexyl group, 1,2-epoxycyclohexyloxy group, styryl group, styryloxy group, methacryloyloxy group, amino group, ureido group, mercapto group or isocyanate group).
提供一种由丙烯酸树脂 (1)、丙烯酸树脂 (2)、有机硅低聚物 (3) 和交联剂 (4) 组成的粘合剂,其中
丙烯酸树脂(1)包括由单体(A)衍生的结构单元(a)和由单体(B)衍生的结构单元(b),其重量平均分子量为 1,000,000 至 2,000,000 ,其中(A)是由式(A)表示的(甲基)丙烯酸酯
(其中 R
1
代表氢原子或甲基,R
2
代表具有 1 至 14 个碳原子的烷基或芳烷基,其中 R
2
可被具有 1 至 10 个碳原子的烷氧基取代),以及
(B)至少是(B-1)和(B-2)中的任意一种,其中(B-1)是包含羧基和一个烯烃双键的单体,而(B-2)是包含至少一个极性官能团的单体,该极性官能团选自羟基、酰胺基、氨基、环氧基、氧杂环丁酰胺基、醛基和异氰酸酯基以及一个烯烃双键;丙烯酸树脂(2)包括结构单元(a)和结构单元(b),其重量平均分子量为 50,000 至 500,000;以及
有机硅低聚物(3)具有 2 至 100 个结构单元(s),这些结构单元(s)衍生自由以下方式表示的化合物(S
(其中 R
3
和 R
4
代表烷基或苯基,X 和 Y 代表氢原子、任选取代的烷基、任选取代的苯基、任选取代的烷氧基、任选取代的苯氧基、任选取代的芳烷基、任选取代的芳烷氧基、乙烯基、乙烯氧基、1,2-环氧环己基、1,2-环氧环己氧基、苯乙烯基、苯乙烯氧基、甲基丙烯酰氧基、氨基、脲基、巯基或异氰酸酯基)。