Manufacture of rigid foams and compositions therefor

Details Manufacture of rigid foams and compositions therefor Manufacture of rigid foams and compositions therefor

1993-05-14

1994-10-18

Foelak, Morton

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

25218224, 25218225, 25218226, 25218227, 521132, C09K 300, C08J 912

Patent

active

053565568

ABSTRACT:
The use of a liquid for the preparation of a rigid polyurethane and/or polyisocyanurate foam by reacting a polyisocyanate and a polyol in the presence of a blowing agent characterized in that the liquid is an inert, insoluble, non-blowing liquid. CFC-free foams may be obtained showing good insulating properties.

REFERENCES:
patent: 5210106 (1993-05-01), Dams et al.
patent: 5211873 (1993-05-01), Dams et al.

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