Self-compatibilizing phthalate-based polyester polyols

Details Self-compatibilizing phthalate-based polyester polyols Self-compatibilizing phthalate-based polyester polyols

1985-07-15

1987-02-17

Welsh, Maurice J.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524291, 524376, 524377, 525437, 525447, 525448, 5282953, 5282955, 528301, 528304, 528305, 528308, 5283087, C08L 6702

Patent

active

046440275

ABSTRACT:
Phthalate polyester polyols comprising reaction products of a phthalic acid compound, a low molecular weight diol compound and a hydrophobic compound are provided which are compatibilized with fluorocarbon blowing agents and which possess a variety of other desirable characteristics. The polyols are producible by a simple heating process and are blendable with various conventional polyols and other additives to make resin prepolymer blends which can be catalytically reacted with organic isocyanates to produce cellular polyurethanes and polyurethane/polyisocyanurates.

REFERENCES:
patent: 3298974 (1967-01-01), Bernstein
patent: 4246364 (1981-01-01), Koehler et al.
patent: 4451641 (1984-05-01), Sublett et al.
patent: 4529744 (1985-07-01), Wood
patent: 4540751 (1985-09-01), Lynch et al.

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