Polyamines derived from THPB and processes for preparing the sam

Details Polyamines derived from THPB and processes for preparing the sam Polyamines derived from THPB and processes for preparing the sam

1993-05-28

1994-04-05

Welsh, Maurice J.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524724, 528 52, 528 53, 528 93, 528110, 528111, 528300, 528336, 528342, 564399, 564426, C08G 1830

Patent

active

053005597

ABSTRACT:
Polyamines endowed with chain extension activity for formulations such as polyureas and polyurethanes are disclosed, which have the general formula: ##STR1## wherein n is 0-1000; R.sub.1 =R.sub.2, and R.sub.1 and R.sub.2 are from the group --CH.sub.2 --CH.sub.2 --; --CH.sub.2 --C(CH.sub.3)H--; and --C(CH.sub.3)H--CH.sub.2 --; and R.sub.3 and R.sub.4 are each independently selected from the group consisting of H, --CH.sub.3, --CH.sub.2 CH.sub.3, --CH.sub.2 OH, and --CH.sub.2 --CH.sub.2 --OH.

REFERENCES:
patent: 4394496 (1983-07-01), Schrader

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