Patent ID: 6093464
Filing Date: 2000-07-25
Classification: C09J,Y10T

Abstract:
A pressure-sensitive adhesive composition comprising a polymer having a polylactone structure comprising a unit represented by the following formula repeatedly as the main chain: ##STR2## wherein R represents a straight-chain or branched hydrocarbon group having from 3 to 15 carbon atoms, and n is selected from appropriate repeating numbers such that the weight average molecular weight of the whole polymer becomes at least 10,000,wherein the polymer having the polylactone structure as the main chain is a polyester having a weight average molecular weight of at least 10,000 and is made up of a polyester prepared from;a diol component comprising polycaprolactonediol, anda dicarboxylic acid component comprising a dicarboxylic acid having an aliphatic or alicyclic hydrocarbon group having from 2 to 20 carbon atoms as the molecular skeleton.