Process for the preparation of poly (vinylphenol) from poly (ace

Details Process for the preparation of poly (vinylphenol) from poly (ace Process for the preparation of poly (vinylphenol) from poly (ace

1986-07-07

1987-08-25

Michl, Paul R.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253295, 525374, C08F 812

Patent

active

046893717

ABSTRACT:
Polymers of 4-acetoxystyrene are hydrolyzed by methanolysis with quaternary ammonium hydroxides to poly-p-vinylphenol. Such polymers are useful in photoresists and in the manufacture of metal treatment compositions.

REFERENCES:
patent: 2276138 (1945-03-01), Alderman et al.
patent: 3547858 (1970-12-01), Warrall
patent: 3963862 (1976-06-01), Fujiwara et al.
patent: 3970534 (1976-07-01), Fujiwara et al.
patent: 4129617 (1978-12-01), Machi et al.
patent: 4544704 (1985-10-01), Hefner, Jr.

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