Polycondensation of phenolic hydroxyl-containing compounds and p

Details Polycondensation of phenolic hydroxyl-containing compounds and p Polycondensation of phenolic hydroxyl-containing compounds and p

1993-12-01

1995-05-02

Chan, Nicky

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D31912

Patent

active

054121159

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 phenolic hydroxyl-containing compounds to form higher molecular weight polyethercyclicpolyols.

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