Pressure sensitive adhesive composition, articles made therewith and method of use
申请人:3M Innovative Properties Company
公开号:US20030215630A1
公开(公告)日:2003-11-20
A pressure sensitive adhesive composition is described, comprising the reaction product of a copolymer and a bisamide crosslinking agent, (A) the copolymer comprising the reaction product of (i) a (meth)acrylate ester of a non-tertiary alcohol in which the alkyl group contains between 1 and 4 carbon atoms, inclusive, and (ii) a carboxylic acid-functional, ethylenically unsaturated co-monomer, and (B) a bisamide crosslinking agent having the formula:
1
where,
R
1
and R
3
independently, are selected from the group consisting of H and C
n
H
2n+1
,
n is an integer ranging from 1 to 5,
R
2
is a divalent radical selected from the group consisting of benzeno (—C
6
H
4
—), substituted benzeno, triazine, C
m
H
2m
, and combinations thereof,
m is an integer ranging from 1 to 10, and
the relative amounts of the carboxylic acid-functional, ethylenically unsaturated co-monomer and the bisamide crosslinking agent providing a ratio of the number of equivalents of amide groups to the number of equivalents of carboxylic acid groups of less than about 0.1. Articles made with the pressure sensitive adhesive composition and methods for its use are also described.
描述了一种压敏型粘合剂组合物,包括共聚物和双酰胺交联剂的反应产物,(A)共聚物包括(i)非叔醇的(甲基)丙烯酸酯(其中烷基含有 1 至 4 个碳原子(含 4 个))和(ii)具有羧酸官能团的乙烯基不饱和共聚单体,以及(B)具有以下式子的双酰胺交联剂的反应产物:
1
其中
R
1
和 R
3
分别选自 H 和 C 组成的组
n
H
2n+1
,
n 是 1 至 5 的整数、
R
2
是二价基,选自由苯并[-C
6
H
4
-)、取代的苯并芘、三嗪、C
m
H
2m
及其组合、
m 是 1-10 之间的整数,以及
羧酸官能团、乙烯基不饱和共聚单体和双酰胺交联剂的相对量,使酰胺基团的当量数与羧酸基团的当量数之比小于约 0.1。此外,还描述了用压敏胶组合物制成的物品及其使用方法。