Hydrolysis of poly(acetoxystyrene) in aqueous suspension

Details Hydrolysis of poly(acetoxystyrene) in aqueous suspension Hydrolysis of poly(acetoxystyrene) in aqueous suspension

1987-10-30

1990-03-27

Lipman, Bernard

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

Synthetic resins

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

5253289, 525379, C08F 812

Patent

active

049121731

ABSTRACT:
Polymers of 4-acetoxystyrene in finely divided particulate form are suspended in water, and while in suspension are hydrolyzed to polymers of 4-hydroxystyrene using aqueous nitrogen bases. Such polymers are useful in photoresists, as protective coatings for metal, in the manufacture of epoxy resins and epoxy resin curing agents.

REFERENCES:
patent: 4678843 (1987-07-01), Elmore et al.

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