Polymeric polyamines

Details Polymeric polyamines Polymeric polyamines

1987-03-19

1988-06-14

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 68, 528 76, 528 77, 528335, 528342, 528347, 564153, 564155, 564164, C08G 1814

Patent

active

047512555

ABSTRACT:
The invention relates to a polymeric polyamine having a molecular weight of from 1000 to 16000 and containing from 2 to 4 primary amino groups per molecule, the polymeric polyamine being the condensation product of a polycarboxylic acid or ester with a stoichiometric excess of a polyamine having terminal aminopropoxy groups and a molecular weight below 500.

REFERENCES:
patent: 4133803 (1979-01-01), Klein

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