Reaction injection molded elastomers prepared from amine termina

Details Reaction injection molded elastomers prepared from amine termina Reaction injection molded elastomers prepared from amine termina

1987-06-01

1989-02-21

Anderson, Harold D.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 64, 528 76, 528 77, C08G 1810, C08G 1832, C08G 1830

Patent

active

048066150

ABSTRACT:
The invention is reaction injection molded (RIM) elastomer comprising a cured reaction product of primary or secondary amine terminated polyethers of greater than 1500 molecular weight, an aromatic polyisocyanate, a combination of an unsubstituted aromatic diamine chain extender and a substituted acyclic aliphatic diamine chain extender. The invention is also a method of preparation of a RIM polyurea elastomer as described above.

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