Use of liquid oxazolines in polyurethane/polyisocyanurate rigid

Details Use of liquid oxazolines in polyurethane/polyisocyanurate rigid Use of liquid oxazolines in polyurethane/polyisocyanurate rigid

Filed on

1985-04-24

Date issued

1986-04-01

Examiner

Welsh, Maurice J.

Patent Class

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

SubClass

Synthetic resins

SubSubClass

Cellular products or processes of preparing a cellular...

Other Related Categories

252182, 521131, 521166, C08G 1814

Type

Patent

Status

active

Patent number

045798753

Description

ABSTRACT:
The use of liquid oxazolines as compatibilizing agents in the preparation of rigid polyurethane/polyisocyanurate foams from certain polyol mixtures, polyisocyanates and fluorocarbon blowing agent is disclosed.

REFERENCES:
patent: 3647759 (1972-03-01), Walker
patent: 4237238 (1980-12-01), De Guiseppi et al.
patent: 4246364 (1981-01-01), Koehler et al.
patent: 4339343 (1982-07-01), Koehler et al.
patent: 4444916 (1984-04-01), Grube et al.

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