Chlorinated olefin polymer compositions stabilized with antimony

Details Chlorinated olefin polymer compositions stabilized with antimony Chlorinated olefin polymer compositions stabilized with antimony

1975-01-09

1976-10-26

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25FP, 260 457R, C08K 503, C08K 559

Patent

active

039882969

ABSTRACT:
Chlorinated olefin polymer compositions having unexpectedly high tensile impact strength values and resistance to ignition and burning are composed essentially of an admixture of (1) a normally solid, linear olefin polymer having a bulk density of from about 22 to about 36 pounds/cubic foot with the individual particles thereof being predominantly in the range of at least 300 to about 800 microns in size, the olefin polymer having from about 1 to about 20 percent by weight of chemically combined chlorine substantially heterogeneously distributed along the outer surfaces of the polymer particles; such chlorine being introduced in the substantial absence of oxygen and at temperatures not substantially exceeding about 90.degree. C. while the olefin polymer particles are maintained in a fluidized bed state; and (2) from about 0.1 to about 10 percent based on polymer weight of antimony trioxide, and, optionally, up to about 5 percent based on polymer weight of certain bromine containing compounds.

REFERENCES:
patent: 3442977 (1969-05-01), Grabowski
patent: 3451960 (1969-06-01), Schmidt
patent: 3547866 (1970-12-01), Trieschmann
patent: 3648914 (1972-02-01), Ogawa

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