Polyurea elastomeric microcellular foam

Details Polyurea elastomeric microcellular foam Polyurea elastomeric microcellular foam

1998-09-04

2000-02-01

Sergent, Rabon

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521130, 521131, C08J 904, C08G 1846, C08G 1850, C08G 1860, C08G 1832

Patent

active

060203927

ABSTRACT:
A method for making a polyurea microcellular elastomeric foam by reacting an organic polyisocyanate with a di-(aminobenzoate) ester of an oligomeric polyol in the presence of a blowing agent and, optionally, urethane catalyst and cell stabilizing agent.

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patent: 4732959 (1988-03-01), Otani et al.
patent: 5219973 (1993-06-01), Slack et al.
Wirpsza, A., Polyurthanes Chemistry, Technology and Applications, Ellis Horwood Limited, pp. 142, 143, 1993.

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