C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/5502
C08L 75/06 (2006.01) C08G 18/08 (2006.01) C08G 18/12 (2006.01) C08G 18/42 (2006.01) C08G 18/66 (2006.01) C09J 175/06 (2006.01)
Patent
CA 2025815
Mo3450 LeA 27,163-US RAPIDLY CRYSTALLIZING POLYURETHANE SYSTEMS ABSTRACT OF THE DISCLOSURE The present invention is directed to a polyurethane system containing isocyanate groups prepared by reacting A) 70 to 98 parts by weight of at least one polyester diol having a melting point of 30°C to 60°C and a molecular weight of a 800 to 8,000, B) 2 to 30 parts by weight of at least one polyester diol having a melting point of 65°C to 150°C and a molecular weight of 600 to 8,000, and C) no more than 1 mole of a diol having a molecular weight of less than 600 per moles of A) plus B), with, D) at least one organic polyisocyanate, the ratio of isocyanate groups to hydroxyl groups is between 3:1 and 1.2:1. Le A 27 163 - US
Arend Gunter
Hansel Eduard
K"onig Klaus
Meckel Walter
Aktiengesellschaft Bayer
Swabey Ogilvy Renault
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