Production of impact-resistant, thermoplastic resin compositions

Details Production of impact-resistant, thermoplastic resin compositions Production of impact-resistant, thermoplastic resin compositions

1975-04-17

1977-05-03

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260876R, C08L 906

Patent

active

040215091

ABSTRACT:
A thermoplastic resin composition of excellent transparency and high impact strength is produced by causing methyl methacrylate and styrene monomers to undergo post polymerization in the presence of a conjugated diolefin polymer rubber latex containing at least 50 percent by weight of a conjugated diolefin monomer as the constituent of the rubber such as butadiene, wherein a polyethylene oxide of an average molecular weight of at least 100,000 has been added to the rubber latex either prior to or at the time of the post polymerization to cause the rubber latex to partly coagulate, thereby to prepare a graft polymer. The graft copolymer can be blended with methyl methacrylate-styrene copolymers.

REFERENCES:
patent: 3018268 (1962-01-01), Daly
patent: 3288886 (1966-11-01), Himei
patent: 3296339 (1967-01-01), Feuer
patent: 3444269 (1969-05-01), Beer
patent: 3717688 (1973-02-01), Koyanagi
patent: 3804924 (1974-04-01), Papetti

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