Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1990-03-01
1992-03-03
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
5263442, 524745, 524748, 524767, C08F 220, C08F11406, C08K 505, C08K 541
Patent
active
050934406
ABSTRACT:
A method for producing a vinyl chloride resin, which comprises suspension-polymerizing vinyl chloride, or a mixture of vinyl chloride with a co-monomer copolymerizable therewith, in an aqueous medium in the presence of an oil-soluble polymerization catalyst, a dispersant and an emulsifier by means of a homogenizer under an emulsifying pressure within a range of from 5 to 50 kg/cm.sup.2 in such a state that the organic phase is dispersed in the aqueous phase.
REFERENCES:
patent: 3862076 (1975-01-01), Dawson et al.
Mitsubishi Kasei Vinyl Company
Schofer Joseph L.
Weber Tom
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