Blowing agent-containing polymeric MDI compositions

Details Blowing agent-containing polymeric MDI compositions Blowing agent-containing polymeric MDI compositions

1992-03-27

1993-01-26

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

25218221, 521155, C08J 914

Patent

active

051823110

ABSTRACT:
Mixtures of medium viscosity polymeric MDI and HCFC-22 have unexpectedly low vapor pressure, rendering such mixtures suitable for the preparation of polyurethane and polyisocyanate foams.

REFERENCES:
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patent: 4218543 (1980-08-01), Weber et al.
patent: 4452924 (1984-06-01), Radovich
patent: 4546122 (1985-10-01), Radovich et al.
patent: 4713399 (1987-12-01), Webb
patent: 4927863 (1990-05-01), Bartlett et al.
patent: 4980388 (1990-12-01), Herrington et al.

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