Graft copolymer and process for making same

Details Graft copolymer and process for making same Graft copolymer and process for making same

1976-03-15

1977-11-08

Anderson, Harold D.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252 85M, 260 296R, 260 296H, 260 296M, 260 296MM, 260 4216, 260 4253, 526130, C08F28900, C08L 5500

Patent

active

040576833

ABSTRACT:
A reaction process and product obtained thereby, said process comprising reacting a polymerizable monomeric compound containing a polymerizably reactive vinyl group, such as methyl methacrylate, acrylonitrile, vinyl acetate, or the like, in an aqueous medium at a pH not greater than about 3.5 in the presence of a ceric salt which is soluble in at least one component of said medium, and an inorganic substrate, such as a clayey substrate, e.g., montmorillonite, or the like, capable of initiating polymerization of said monomeric compound, wherein said inorganic substrate is a reducing agent for said reaction.

REFERENCES:
patent: 2795545 (1957-06-01), Gluesenkamp
patent: 2922768 (1960-01-01), Mino et al.
patent: 3032518 (1962-05-01), Segro
patent: 3068185 (1962-12-01), Stamberger
patent: 3318826 (1967-05-01), Bridgeford
patent: 3346535 (1967-10-01), Dekking
patent: 3557038 (1971-01-01), Gebura
patent: 3773708 (1973-11-01), Takahashi et al.
patent: 3904568 (1975-09-01), Yamaguchi et al.

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