Process for preparing poly(4-hydroxystyrene)

Details Process for preparing poly(4-hydroxystyrene) Process for preparing poly(4-hydroxystyrene)

1995-03-17

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

528214, 528215, C08G 6538

Patent

active

054534836

ABSTRACT:
The present invention provides a unique and novel way of producing vinyl phenols such as poly(4-hydroxystyrene) (PHS). In this new process, 4-hydroxyphenylmethylcarbinol (HPMC) is heated under suitable conditions of temperature and pressure and for a sufficient period of time to form the poly (4-hydroxystyrene) (PHS).

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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