Title: Process for producing polyurethane compositions having low hysteresis
Application Number: 85101894 Application Date: 1985.04.01
Publication Number: 1007161 Publication Date: 1987.01.17
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C08G18/10,C08G18/32,C08G18/70,C08K5/04,C08K5/18
Applicant(s) Name: Air Products and Chemicals, Ine. Address:
Inventor(s) Name: Andreas Robert Schmiolt (CH), Barton Milligan, Her
Attorney & Agent: LIU YUANJIN LUO HONG
Abstract:
     It is prepared by further reaction of a graft agent and a pre-polymer, which must contain 2-12% (wt.) free isocyanic ester, is made from ester of mononuclear di-isocyanic acid ester and polyhydric compound. While the graft agent is a mixture of mononuclear aryl-diamine and polyhydric compounds in mole ratio of (0.5~5):1.
Time: 8