Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1978-03-15
1979-12-04
Michl, Paul R.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
156333, 526317, 525243, C08F23618
Patent
active
041771818
ABSTRACT:
Improved copolymer latexes and flame-retardant or self-extinguishing adhesive compositions comprising such latexes are provided wherein the copolymer particles of the latexes are beneficially composed of from about 5 to about 60 weight percent of an aliphatic conjugated diolefin; from about 5 to about 55 weight percent of an aromatic vinyl monomer, an acrylate ester or a methacrylate ester; from about 0.5 to about 10 weight percent of an ethylenically unsaturated carboxylic acid; and from about 25 to about 70 weight percent of vinylidene chloride and wherein the copolymer latexes are obtained by first emulsion copolymerizing a first monomer mixture which includes substantially all of the vinylidene chloride, and then emulsion copolymerizing, in the presence of the first copolymerization product, a second monomer mixture which includes substantially all of the aliphatic conjugated diolefin and substantially all of any aromatic vinyl monomer to be employed.
REFERENCES:
patent: 2476967 (1949-07-01), Fiedler
patent: 2711400 (1955-06-01), Harrison
patent: 3309330 (1967-03-01), Settlage
patent: 3962170 (1976-06-01), Mally
Koyama Masaoki
Sakakiyama Takashi
Tazaki Kichiya
Tsurumi Michio
Asahi-Dow Limited
Guffey James B.
Michl Paul R.
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