Method for production of casting syrups

Details Method for production of casting syrups Method for production of casting syrups

1977-01-31

1978-08-29

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260 4585S, 526329, 5263292, 5263293, 5263297, C08F 2014

Patent

active

041105265

ABSTRACT:
In the production of a casting syrup, useful in a continuous casting process for manufacture of cast plates, by partial polymerization of methyl methacrylate or its mixture with at least one unsaturated vinyl compound copolymerizable therewith in an amount of not more than about 20% by weight based on methyl methacrylate, an improved method wherein the partial polymerization is carried out in the presence of a thiodicarboxylic acid ester of the formula:

REFERENCES:
patent: 3392157 (1968-07-01), Izumi et al.
patent: 3474081 (1969-10-01), Bosworth
patent: 3759881 (1973-09-01), Holder
patent: 3801541 (1974-04-01), Hofmann
patent: 3950314 (1976-04-01), Graff
patent: 3957905 (1976-05-01), Sumoto et al.
patent: 3966675 (1976-06-01), Schurdak
Nakazuka et al., Chem. Abs. 77 (1972) p. 140970f.
Imura et al., Chem. Abs. 81 (1974) p. 14786v.

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