申请人:BASF Aktiengesellschaft
公开号:US20010041238A1
公开(公告)日:2001-11-15
Adhesive-coated, peelable protective films and peelable labels, wherein the adhesive contains a copolymer that is capable of undergoing free-radical polymerization and which comprises, to an extent of from 0.1 to 10 wt %, based on the copolymer, a compound A compound of at least one copolymerizable, ethylenically unsaturated group and a group of the formula
1
in which R
1
and R
2
independently stand for hydrogen or a C
1
-C
5
alkyl group or R
1
and R
2
together form a bridging C
2
-C
4
alkylene group which can be mono- or di-substituted by a C
1
-C
4
alkoxy group or hydroxyl group and X stands for O or S.
涂有粘合剂的可剥离保护膜和可剥离标签,其中粘合剂含有一种可进行自由基聚合的共聚物,该共聚物以共聚物为基准,在 0.1 至 10 wt % 的范围内,包含至少一个可共聚的乙烯基不饱和基团和一个式中基团的化合物 A 化合物
1
其中 R
1
和 R
2
分别代表氢或 C
1
-C
5
烷基或 R
1
和 R
2
一起形成桥接的 C
2
-C
4
烯基,该烯基可以被一个 C
1
-C
4
烷氧基或羟基,X 代表 O 或 S。