Method of preparing powdered elastomer compositions

Details Method of preparing powdered elastomer compositions Method of preparing powdered elastomer compositions

1975-05-05

1976-03-02

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 174BB, 260 174ST, 260742, 260749, C08L 304, C08L 306

Patent

active

039417670

ABSTRACT:
An improved process is used to prepare encased powdered elastomers which replace slab rubber in injection molding formulations and thereby eliminates the need for milling and high shear mixing. A composition is obtained which is easily blended and is capable of being automatically fed to injection molding machines, and which contains less encasement compound than prior art powdered elastomers having similar nonagglomerating and free-flowing properties.

REFERENCES:
patent: 3296158 (1967-01-01), Dimitri
patent: 3442832 (1969-05-01), Buchanan et al.
patent: 3645940 (1972-02-01), Stephens et al.
patent: 3673136 (1972-06-01), Buchanan et al.
patent: 3714087 (1973-01-01), Buchanan et al.
patent: 3830762 (1974-08-01), Abbott

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