the hot - melt - limblandning foer foersaettsblad i boecker med haorda paermar.

摘要

A hard bound book is cased-in by bonding the endpapers of the book block to a pre-formed case using 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 wax; and e) 0.1 to 2% by weight of a stabilizer.