Environmentally benign pressure sensitive adhesive (PSA) for postage applciati9osn: developemtn of the lalboratory recycling protocol

摘要

Since 1994,Dpringborn Testing and Research (STR) has bene workign iwth hte United States Postla Service (USPS) to develop pressure sensitive adhesives (PSA) for postage stamp app,ciatiosnthat do not adversely afect the envionrment.To take advantage of the recyclable adhesive developments in progress,the USPS sponsored a conference in 1995 during which the adhesive industry was invited to participate in the USPS Environmetally Benign Pressure Sensitive Adhesives for Postage Sytamp Applicatiosn program.