Polymerization of vinyl chloride with peroxide mixtures

Details Polymerization of vinyl chloride with peroxide mixtures Polymerization of vinyl chloride with peroxide mixtures

1998-04-06

2000-03-14

Henderson, Christopher

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C08F 438

Patent

active

060374284

ABSTRACT:
Suspension polymerization of vinyl chloride in an aqueous medium is carried out in the presence of an oil-soluble polymerization initiator which is a combination of diacylperoxide compound and t-hexylperoxy diglycolate, the former having a half-life period of 10 hours at 30 to 50.degree. C. in benzene (0.05 mol/L). The resulting polymer gives a high-quality molded product which is free of odor and less liable to initial discoloration.

REFERENCES:
patent: 4129703 (1978-12-01), Kamath
patent: 4659769 (1987-04-01), Ohmura
patent: 5612428 (1997-03-01), Nakano

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