Polyurethanes prepared from polyisocyanate, polyol and phosphono

Details Polyurethanes prepared from polyisocyanate, polyol and phosphono Polyurethanes prepared from polyisocyanate, polyol and phosphono

1982-09-27

1983-10-04

Lee, Lester L.

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...

528167, 528168, 528169, C08G 1806, C08G 1828

Patent

active

044080336

ABSTRACT:
Phosphonopolyester oligomers are prepared from hydroxyalkylated 2,2',-bis(3-allylphenyl-4-hydroxy) alkanes and phosphonyl dihalides. The oligomers are useful in the preparation of polyester resins, epoxy resins, and polyurethanes.

REFERENCES:
patent: 3945954 (1976-03-01), Batorewicz
patent: 4094926 (1978-06-01), Sheard et al.
patent: 4156663 (1979-05-01), Okamoto et al.
patent: 4214069 (1980-07-01), Couchoud et al.
patent: 4259222 (1981-03-01), Login et al.
patent: 4298709 (1981-11-01), Ginter et al.

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