Process for the continuous manufacture of vinyl chloride...

Details Process for the continuous manufacture of vinyl chloride... Process for the continuous manufacture of vinyl chloride...

C - Chemistry, Metallurgy

08

F

400/2051, 402/29

C08F 2/26 (2006.01) C08F 14/06 (2006.01) C08F 291/00 (2006.01)

Patent

CA 1133196

ABSTRACT OF THE DISCLOSURE A process for the continuous preparation of vinyl chloride polymers containing at least 85 weight percent of polymerized vinyl chloride units in an aqueous emulsion in the presence of at least one water soluble catalyst and 1.5 to 3.5 weight percent (calculated on the monomer(s)) of at last one water soluble salt of an aliphatic, saturated monocarboxylic acid having the formula Image wherein R1 and R2 are equal or different each representing a saturated, branched or unbranched alkyl radical having 1 to 5 carbon atoms or of at least one of said water soluble salt in mixture together with at least one know emulsifier being an organic compound containing sulfonic acid-groups. The resulting polymers show an equally excellent thermostability in mixture with one of a multiplicity of known stabilizers especially of the lead-, tin- or barium/cadmium- type.

300152

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