Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1975-03-03
1977-03-22
Lieberman, Allan
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 326R, 260 793M, 526 87, 526220, 526225, 526296, 526321, 526328, 526330, 526342, 526344, C08K 520, C08L 2706, C08L 2708, C08L 3220
Patent
active
040136086
ABSTRACT:
A method of producing a polymer or copolymer solution of vinyl chloride series, wherein polymerization of 100 parts by weight of a monomer mixture of at least 50 weight percent of vinyl chloride and less than 50 weight percent of one or more monomers copolymerizable therewith is carried out in a solvent mixture consisting essentially of 30 to 55 weight percent water, remainder N,N-dimethyl formamide, in the presence of 0.5 to 5 parts by weight of a salt of a monomeric compound having a sulphonic acid group and using an initiator for radical polymerization.
REFERENCES:
patent: 3551396 (1970-12-01), Lanthler
patent: 3790542 (1974-02-01), Koyanagi et al.
patent: 3847886 (1974-11-01), Blunt
patent: 3883494 (1975-05-01), Winter et al.
Arakawa Hideyuki
Echigoya Mitsuru
Matsuo Masaki
Nagoshi Fumiya
Uchino Hayashi
Kanegafuchi Kagaku Kogyo & Kabushiki Kaisha
Kojima Moonray
Lieberman Allan
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