Emulsion polymerization of vinyl chloride polymers using mixed e

Details Emulsion polymerization of vinyl chloride polymers using mixed e Emulsion polymerization of vinyl chloride polymers using mixed e

1978-06-19

1979-04-17

Kight, III, John

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260 296R, 260 296ME, 526212, 526225, 5263442, 526911, C08F 228, C08L 2706

Patent

active

041502108

ABSTRACT:
A one-step process is disclosed for the emulsion polymerzation of vinyl chloride, optionally in the presence of copolymerizable comonomers, using a water-soluble initiator or initiator system and a mixed emulsifier of: (1) at least one C.sub.12 -C.sub.18 straight chain alkyl or alkenyl surfactant, such as sodium lauryl sulfate; (2) at least one C.sub.14 -C.sub.20 straight chain alkyl or alkenyl alcohol, such as stearyl alcohol; and (3) at least one C.sub.5 -C.sub.8 straight alkyl chain sulfosuccinate emulsifier; such as, sodium diamyl sulfosuccinate and sodium dihexyl sulfosuccinate. The presence of the sulfosuccinate emulsifier allows the reaction to be run at lower temperatures than possible using just the other two components of the emulsifier with production of a polymer latex having good mechanical stability. The polymer product is useful as a plastisol or organosol resin.

REFERENCES:
patent: 3654248 (1972-04-01), Iida et at.
patent: 3989660 (1976-11-01), Goldsworthy et al.
patent: 4029619 (1977-06-01), Tajima et al.
patent: 4046730 (1977-09-01), Tortai
patent: 4071675 (1978-01-01), Yu et al.
patent: 4093581 (1978-06-01), Anderson

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