Ames-negative diamine curative for polyurethanes

Details Ames-negative diamine curative for polyurethanes Ames-negative diamine curative for polyurethanes

1988-03-15

1989-03-14

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 63, 528 75, 528 76, 528 80, 528 83, 521163, G08G 1828

Patent

active

048124877

ABSTRACT:
There is disclosed polyurethane reaction mixtures containing a novel aromatic diamine as a curative. This invention is also concerned with cured polyurethanes prepared by reacting the aromatic diamine of this invention with a mixture of organic polyisocyanate and polymeric polyol containing an excess of said polyisocyanate or with a prepolymer of said polyisocyanate and a polymeric polyol. The use of the curative of this invention provides sufficient pot life for making castings as well as foams.

REFERENCES:
Chemical Abstracts: 106 (14): 103244u.
Chemical Abstracts: 78 (1): 3926c.
Chemical Abstracts: 108 (20): 168119t.
Chemical Abstracts: 63:8257a.

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