Method for preparation of vinyl chloride resin in presence of po

Details Method for preparation of vinyl chloride resin in presence of po Method for preparation of vinyl chloride resin in presence of po

1989-11-06

1991-09-17

Henderson, Christopher

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526202, 5263442, C08F 220

Patent

active

050496310

ABSTRACT:
A vinyl chloride-based polymeric resin having outstandingly high thermal stability is obtained by the suspension polymerization of vinyl chloride monomer, optionally, in combination with a comonomer in an aqueous polymerization medium to which a specific di- or tetraglycidyl compound such as diglycidyl hexadhydroisophthalate and 1,3-bis(N,N-diglycidylaminomethyl) cyclohexane is added. The improvement obtained by this method is so remarkable that substantial improvements can be obtained in the thermal stability of the resin even when vinyl chloride is copolymerized with a comonomer having at least two ethylenically unsaturated linkages in a molecule, e.g., diallyl phthalate and 1,6-hexane diol diacrylate, with an object to obtain a resin from which shaped resin articles having mattness in appearance can be prepared.

REFERENCES:
patent: 4454294 (1984-06-01), Zentner

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