Polymer polyols from partially reacted polyamines

Details Polymer polyols from partially reacted polyamines Polymer polyols from partially reacted polyamines

1983-10-21

1985-06-11

Helfin, Bernard

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

521159, 428160, 560115, 252182, C07C125077

Patent

active

045230250

ABSTRACT:
A polymer polyol made by the reaction of a partially reacted polyamine with an organic polyisocyanate in a polyether polyol solvent of about 3,000 to 8,000 molecular weight is disclosed. Preferably, the polyisocyanate is reacted with a partially alkoxylated polyoxyalkylenediamine. This polymer polyol may be used in the manufacture of flexible polyurethane foams with improved properties. The polymer polyols are more stable than those made by other procedures.

REFERENCES:
patent: 4296213 (1981-10-01), Cuscurida et al.
patent: 4309532 (1982-01-01), Cuscurida et al.

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