Polycondensation of epoxy alcohols with polyhydric alcohols and

Details Polycondensation of epoxy alcohols with polyhydric alcohols and Polycondensation of epoxy alcohols with polyhydric alcohols and

1993-09-10

1994-04-12

Kight, III, John

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

Synthetic resins

From heterocyclic reactant containing as ring atoms oxygen,...

528405, 528407, 528408, 528417, 528421, C08G 6504, C08G 6502

Patent

active

053026950

ABSTRACT:
Polyethercyclicpolyols are prepared by thermally condensing a polyol having at least three hydroxyl groups of which at least two of the hydroxyl groups are vicinal, precursors of the glycol, cyclic derivatives of the polyol, or mixtures thereof, and controlling process conditions to avoid substantial undesirable degeneration. Lower molecular weight polyethercyclicpolyols are polycondensed with epoxy alcohols to form higher molecular weight polyethercyclicpolyols.

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