Rigid polyurethane foams employing alkylene oxide adducts of alk

Details Rigid polyurethane foams employing alkylene oxide adducts of alk Rigid polyurethane foams employing alkylene oxide adducts of alk

1985-01-14

1985-11-26

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521914, C08G 1814

Patent

active

045555311

ABSTRACT:
The invention relates to rigid polyurethane foams prepared by reacting a polyether polyol other than one derived from an alkanolamine, an alkylene oxide adduct of an alkanolamine, catalyst and blowing agent, and an organic polyisocyanate. The compositions are useful as insulation.

REFERENCES:
patent: 3890255 (1975-06-01), van Leuwen et al.
patent: 4374209 (1983-02-01), Rowlands
patent: 4434277 (1984-02-01), Kozawa et al.
patent: 4438235 (1984-03-01), Brizgys

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