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

1990-01-26

1992-04-21

Welsh, Maurice J.

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...

2643281, 2643286., 2643288, 528 60, 528 61, 528 64, C08G 1810

Patent

active

051069350

ABSTRACT:
The invention relates to reaction injection molded elastomers derived from high molecular weight amine terminated polyethers, an aromatic diamine chain extender and a quasi-prepolymer made from an excess of polyisocyanate reacted with polycarbonate polyols and polyether polyols.

REFERENCES:
patent: 4396729 (1983-08-01), Dominguez et al.
patent: 4433067 (1984-02-01), Rice et al.
patent: 4444910 (1984-04-01), Rice et al.
patent: 4456745 (1984-06-01), Rajan
patent: 4507444 (1985-03-01), Slawyk et al.
patent: 4822841 (1989-04-01), Murray et al.

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