Process for the radical polymerization of vinyl chloride at acid

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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526 83, 5263442, C08F 240, C08F11406

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active

054592119

ABSTRACT:
The temperature of the polymerization medium of vinyl chloride with the involvement of oil-soluble initiators is controlled essentially by direct and modified injection of an effective amount of a strong inorganic inhibitor of radical polymerization or of a precursor advantageously chosen from iodine and nitrogen monoxide, as well as from alkali metal iodides and nitrites, which are the respective precursors of iodine and of nitrogen monoxide.

REFERENCES:
patent: 3642756 (1972-02-01), Meeks et al.
patent: 3691080 (1972-09-01), Bauer et al.
patent: 3790542 (1974-02-01), Koyanagi et al.

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