Grafted polymeric material and process for preparing

Details Grafted polymeric material and process for preparing Grafted polymeric material and process for preparing

1977-03-23

1978-12-26

De Benedictis, Sr., Thomas

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260878R, 429206, 526 58, C08F25500

Patent

active

041316371

ABSTRACT:
A process for preparing a polymeric material grafted throughout its bulk is provided. A polymer having finely divided particles is blended with silica and maintained in a fluidized bed. The polymer is activated by passing ozone uniformly through the blend to initiate incipient labile sites in the molecular structure of the polymer. The polymer is then reacted with an ethylenically unsaturated ionogenic monomer to graft polymerize the monomer onto the polymer. The grafted polymer may then be converted to a salt form by reacting with alkaline compounds. The resultant powders can be fused into any desired shape by conventional polymer plastic processes.

REFERENCES:
patent: 3271477 (1966-09-01), Kresge
patent: 3716391 (1973-02-01), Hosoda et al.
patent: 3870692 (1975-03-01), Patton
patent: 3890293 (1975-06-01), Yukuta et al.

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