Polyols from tall oil and aromatic polyester polyols

Details Polyols from tall oil and aromatic polyester polyols Polyols from tall oil and aromatic polyester polyols

1987-10-05

1988-07-19

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521157, 528 745, 528279, 5282955, 4283084, 4284231, C08G 1814

Patent

active

047586028

ABSTRACT:
Disclosed are polyester polyols prepared by esterifying tall oil with an excess of aromatic polyester polyols. The polyester polyols that are produced by this process are compatible with a trichlorofluoromethane blowing agent and are suitable for use in the manufacture of polyurethane and urethane-modified polyisocyanurate foams.

REFERENCES:
patent: 3095386 (1963-06-01), Hudson
patent: 4225453 (1980-09-01), DePaul et al.
patent: 4608432 (1986-08-01), Magnus et al.
patent: 4609513 (1986-09-01), Israel
patent: 4644048 (1987-02-01), Magnus et al.

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