Method of producing poly(vinyl chloride)-based resins

Details Method of producing poly(vinyl chloride)-based resins Method of producing poly(vinyl chloride)-based resins

1989-07-03

1990-10-02

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C08F 2240

Patent

active

049608436

ABSTRACT:
A method of producing poly(vinyl chloride)-based resins is disclosed, which is characterized in that, in the method of producing poly(vinyl chloride)-based resins through the radical copolymerization of vinyl chloride with N-substituted maleimides represented by a general formula (1), the N-substituted maleimides are emulsified with a medium comprising a liquid organic compound having at least one hydroxyl group, and water: ##STR1## wherein X is a substituted or unsubstituted straight chain or cyclic, aliphatic or aromatic group having 1 to 30 carbon atoms, and R and R', which may be identical or different, are hydrogen atoms, fluorine, chlorine or bromine atoms, cyano groups or alkyl groups having not more than 3 carbon atoms.

REFERENCES:
patent: 3352832 (1967-11-01), Barr et al.
patent: 3666720 (1972-05-01), Nield et al.

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