Polyol-fluorocarbon-aminetriol blend and polyisocyanurate foams

Details Polyol-fluorocarbon-aminetriol blend and polyisocyanurate foams Polyol-fluorocarbon-aminetriol blend and polyisocyanurate foams

1980-02-01

1981-09-15

Cockeran, H. S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252182, 521160, 521167, 521125, 521902, C08G 1814, C08G 1832, C08G 1842, C09K 300

Patent

active

042898587

ABSTRACT:
Disclosed are novel polyol blends comprising from about 20 percent to about 85 percent by weight of said blend of an amine triol, or mixture of amine triols selected from the formula ##STR1## wherein R is an aliphatic radical having from 8 to 18 carbon atoms, inclusive, each R.sub.1 is independently selected from the group consisting of hydrogen or methyl, x, y, and z each independently have an average value from about 1 to about 5 inclusive, n is 2 or 3; and from about 15 percent to about 80 percent by weight of a primary hydroxyl polyol characterized by a molecular weight of from about 60 to about 1000.
The polyol blends are miscible with fluorocarbon blowing agents and water and other adjuvants including trimerization catalysts.
The novel blends are particularly useful in an improved process for the preparation of polyisocyanurate foams. The foams are characterized by high reaction exotherms making such foams particularly suited to the preparation of polyisocyanurate foam laminates.

REFERENCES:
patent: 2956031 (1960-10-01), Khawam
patent: 3072582 (1963-01-01), Frost
patent: 3288732 (1966-11-01), Chapman et al.
patent: 3297582 (1967-01-01), Pawlik
patent: 3516950 (1970-06-01), Haggis
patent: 3888803 (1975-06-01), Doerge et al.

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