Method for producing polyurethanes from poly-(hydroxyalkyl ureth

Details Method for producing polyurethanes from poly-(hydroxyalkyl ureth Method for producing polyurethanes from poly-(hydroxyalkyl ureth

1989-10-03

1991-03-19

Welsh, Maurice J.

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...

C08G 1830

Patent

active

050012100

ABSTRACT:
By reacting polyamines with cyclic carbonates, di-poly-(hydroxyalkyl urethanes) are produced. These diols and polyols are particularly useful for the synthesis of polyurethanes by reaction with diisocyanates or polyisocyanates.

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