Process for preparing vinylphenol polymers and copolymers

Details Process for preparing vinylphenol polymers and copolymers Process for preparing vinylphenol polymers and copolymers

1995-03-01

1995-09-26

Foelak, Morton

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528212, 528214, 528215, C08G 802, C08G 6538

Patent

active

054534810

ABSTRACT:
The present invention provides a unique and novel way of producing polyhydroxystyrene which comprises the steps of (a) heating 4-hydroxyacetophenone under suitable hydrogenation conditions of temperature and pressure in the presence of a suitable palladium catalyst and for a sufficient period of time to form 4-hydroxyphenylmethylcarbinol; (b) heating 4-hydroxyphenylmethylcarbinol under suitable conditions of temperature and pressure and for a sufficient period of time to form said polyhydroxystyrene.

REFERENCES:
patent: Re34122 (1992-11-01), Sheehan et al.
patent: 4032513 (1977-06-01), Fujiwara et al.
patent: 4880487 (1989-11-01), Sheehan et al.
patent: 5264528 (1993-11-01), Sheehan et al.
patent: 5342727 (1994-08-01), Vicari et al.

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