Process of preparing polyurethanes cured with 2,6-idaminobenzoic

Details Process of preparing polyurethanes cured with 2,6-idaminobenzoic Process of preparing polyurethanes cured with 2,6-idaminobenzoic

1987-06-05

1989-03-07

Anderson, Harold D.

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...

528 62, 528 60, 521159, C08G 1814, C08G 1810, C08G 1832

Patent

active

048107697

ABSTRACT:
The present invention relates to polyurethanes and a method for making polyurethanes by reacting an organic diisocyanate, a glycol having a molecular weight of 500-5000 and a derivative of 2,6-diaminobenzoic acid or a blend comprising derivatives of 2,4-diaminobenzoic acid and 2,6-diaminobenzoic acid. The addition of the 2,6-diaminobenzoic acid derivative to the composition improves polyurethane processability and performance by decreasing chain extender reactivity and increasing hard segment regularity.

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