Powdered rubber

Details Powdered rubber Powdered rubber

1974-01-15

1976-01-13

Hamrock, William F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 851, 260 923, 260 947HA, 260 96HA, 260821, C08D 502, C08D 504

Patent

active

039323706

ABSTRACT:
Rubber, e.g., butadiene-acrylonitrile copolymer rubber, in readily friable or free flowing powdered form is prepared by halogenating (e.g., chlorinating) the rubber in particulate form in an aqueous medium. Sodium hypochlorite/acid or chlorine water may be used as the chlorinating agent. Preferred bound chlorine content of the treated rubber is at least 0.1%.

REFERENCES:
patent: 2470952 (1949-05-01), Remy
patent: 2586124 (1952-02-01), VAN Amerongen
patent: 2609365 (1952-10-01), Scott
patent: 3100762 (1963-08-01), Schockney
patent: 3397174 (1968-08-01), Parker et al.

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