Modified isocyanate compositions, their production and uses for

Details Modified isocyanate compositions, their production and uses for Modified isocyanate compositions, their production and uses for

1979-12-06

1984-05-15

Anderson, Harold D.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528 67, 528 69, 528 73, 528 76, C08G 1828

Patent

active

044489382

ABSTRACT:
Isocyanate compositions derived from diphenylmethane diisocyanate (MDI) which are a mixture of A) the reaction product of MDI with a polyether polyol or amine of molecular weight from 600 to 10,000 and B) a uretonimine modified MDI, the weight ratio of A to B being from 19:1 to 1:1. Also polyurethanes, especially elastomers prepared therefrom.

REFERENCES:
patent: 4031026 (1977-06-01), Ibbotson
patent: 4125545 (1978-11-01), Kroplinski et al.
Cols. 1-2, 35-36 of U.S. Pat., No. 3,306,875.

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