Reaction injection molding based on diethyl methylene diphenyl d

Details Reaction injection molding based on diethyl methylene diphenyl d Reaction injection molding based on diethyl methylene diphenyl d

1991-12-19

1993-03-30

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...

521159, 521160, 521163, 528 67, 528 68, C08G 1810

Patent

active

051985225

ABSTRACT:
Disclosed herein is an improved polyurea system comprising a reaction product of a polyisocyanate and a polyamine and an amine chain extender, the improvement comprising the polyisocyanate containing diethyl methylene diisocyanate, a prepolymer thereof or a mixture thereof, in an amount sufficient to slow down the reaction for use in a reaction injection molding.

REFERENCES:
patent: 3180883 (1965-04-01), Case
patent: 4423200 (1983-12-01), Ganster et al.

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