The present invention relates to a radiation crosslinkable pressure sensitive adhesive precursor comprising:
a) an acrylate base polymer;
b) a co-polymerized type (II) photocrosslinker, in a amount greater than 0.05 parts by weight per 100 parts by weight of acrylate base polymer;
c) a co-polymerized hydrogen-donating monomer; and
d) a tackifying resin, in an amount greater than 40 parts by weight per 100 parts by weight of acrylate base polymer.
The present invention is also directed to a method of preparing a radiation crosslinked pressure sensitive adhesive.
本发明涉及一种可辐射交联的压敏粘合剂前体,包括
a)
丙烯酸酯基聚合物;
b) 共聚(II)型光
交联剂,其用量大于每 100 份
丙烯酸酯基聚合物 0.05 份(按重量计);
c) 共聚合的氢捐赠单体;以及
d) 增粘
树脂,每 100 份
丙烯酸酯基聚合物的用量大于 40 份(重量比)。
本发明还涉及一种辐射交联压敏胶的制备方法。