Hard bound books are disclosed wherein the lining adhesive is a hot melt pressure sensitive adhesive composition comprising:
a) 20 to 35% by weight of an A-B-A block or A-B-A-B-A-B multi-block copolymer where the A component is styrene and the B component is butadiene or hydrogenated butadiene and the copolymer contains at least 28 parts styrene per 100 parts copolymer;
b) 45 to 70% by weight of a compatible tackifying resin;
c) 5 to 30% by weight of a plasticizing oil;
d) 0 to 5% by weight of a petroleum derived wax; and
e) 0.1 to 2% by weight of a stabilizer.
公开了硬装书,其中衬里粘合剂是一种热熔压敏粘合剂组合物,包括:a) 20% 至 35% (按重量计)的 A-B-A 嵌段或 A-B-A-B-A-B-B 多嵌段共聚物,其中 A 组分是
苯乙烯,B 组分是
丁二烯或氢化
丁二烯,每 100 份共聚物至少含有 28 份
苯乙烯;b) 45% 至 70% (按重量计)的相容增粘
树脂;c) 5% 至 30% (按重量计)的
增塑剂油;d) 0% 至 5% (按重量计)的石油衍生蜡;以及 e) 0.1% 至 2% (按重量计)的稳定剂。