Process for preparing vinylphenol polymers & copolymers

Details Process for preparing vinylphenol polymers & copolymers Process for preparing vinylphenol polymers & copolymers

1995-09-18

1996-06-04

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

055233783

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 a basic material 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: 4032513 (1977-06-01), Fujiwara et al.
patent: 4880487 (1989-11-01), Sheehan et al.
patent: 5264528 (1993-11-01), Sheehan et al.
patent: 5453481 (1995-09-01), Sounik et al.

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