Polyurea rim systems
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United States of America Patent
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Jun 15, 1993
Grant Date -
N/A
app pub date -
Dec 7, 1990
filing date -
Dec 7, 1990
priority date (Note) -
Expired
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Abstract
The present invention is directed to a RIM process and an isocyanate reactive composition for use therein. The isocyanate composition includes an amine terminated chain extender and an aromatic amine terminated polyether of the formula: ##STR1## wherein R is an n-valent group obtained by the removal of hydroxyl groups from an n-hydroxy group containing polyhydroxyl compound having a molecular weight of from about 300 to about 12,000, R.sub.1 represents hydrogen or an inert substituent, R.sub.2 represents hydrogen, an amine group, or an inert substituent, and n represents an integer from 2 to 4.
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