Low viscosity polymeric MDI

Details Low viscosity polymeric MDI Low viscosity polymeric MDI

1992-12-28

1993-11-02

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

528 67, 25218221, C08G 1814

Patent

active

052584178

ABSTRACT:
The present invention deals with a polymethylene polyphenylisocyanate blend having a viscosity range of from 15 to 37 cps at 25.degree. C. Specifically, the blend is prepared by mixing a polymethylene polyphenylisocyanate with monomeric diphenylmethane diisocyanate. The unique characteristics of this product are that it displays good storage stability under ambient conditions and has a low viscosity. It is useful in the production of polyurethane foams and adhesives.

REFERENCES:
patent: 4256849 (1981-03-01), Ick et al.

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