Polycondensation of epihalohydrin and polyhydric alcohols and th

Details Polycondensation of epihalohydrin and polyhydric alcohols and th Polycondensation of epihalohydrin and polyhydric alcohols and th

1992-04-14

1993-03-30

Kight, III, John

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

Synthetic resins

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

528403, 528407, 528417, G08G 6504, G08G 6502

Patent

active

051985322

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 polyol, cyclic derivatives of the polyol, or mixtures thereof, and controlling process conditions to avoid substantial undesirable degeneration. Lower molecular weight polyethercyclicpolyols are polycondensed with epihalohydrins to form higher molecular weight polyethercyclicpolyols.

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