Polyoxyalkylene solubilizers for polyol blends

Details Polyoxyalkylene solubilizers for polyol blends Polyoxyalkylene solubilizers for polyol blends

1989-05-17

1991-03-19

Kight, III, John

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521119, 521167, 521173, 25218225, 25218226, 25218227, C08G 1832, C08G 1848, C09K 300

Patent

active

050011650

ABSTRACT:
Polyol blend compositions are provided containing a polyester polyol, especially an aromatic polyester polyol, a compatibilizing block copolymer of ethylene oxide and at least one other alkylene oxide having three or more carbon atoms in the molecule, the block copolymer being terminated by ethylene oxide blocks, and optionally other polyols. The blends are miscible with halohydrocarbon blowing agents such as trichlorofluoromethane and suitable for reaction with polyisocyanates to give polyisocyanurate and polyurethane foams.

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