C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/102, 403/14,
C08K 5/04 (2006.01) A43B 13/04 (2006.01) C08G 18/42 (2006.01) C08J 9/00 (2006.01) C08J 9/34 (2006.01)
Patent
CA 1156400
ABSTRACT OF THE INVENTION Synthesis of integral skin microcellular polyurethane elastomers by reacting hydroxyl-terminated aliphatic polyesters with symmetrical diisocyanates, prepolymers of these isocyanates such as derived from p,p'-diphenylmethane diisocyanate and an aliphatic glycol and mixtures thereof, these are polymerized in the presence of an organic blowing agent, and one or more plasticizers such as of the formulae Image ; Image ; Image ; and Image further enhancement of the results is brought about by the presence of catalysts and cell regulating agents, such as dimethylpoly- siloxanes; the obtained elastomers are useful, such as for shoe soles and in the manufacture of other products, e. g., vibration dampening devices, floatation devices, gaskets and the like.
372287
Plastics Technology Associates Inc.
Swabey Ogilvy Renault
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