Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1997-08-04
1998-07-07
Merriam, Andrew E. C.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523202, 524260, 524403, 524423, 524431, 106439, C08K 900, C08K 904
Patent
active
057770018
ABSTRACT:
The present invention provides modified particulate metal oxides having desired properties and methods of producing the metal oxides. The methods basically comprise the steps of reacting a particulate metal oxide in an aqueous solution or emulsion containing ceric ion to produce hydroxyl free radicals on the surfaces of the metal oxide and then reacting the metal oxide with a polymerizable vinyl monomer to graft the monomer to the metal oxide and polymerize the monomer. The graft polymerized metal oxide compositions produced have improved properties such as compatibility and ease of mixing with water based, oil based and plastics formulations.
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Japanese Laid-Open Patent Application (Kokai) No. 55-23133 published Feb. 19, 1980.
Publication entitled "Graft Polymerization of Vinyl Monomers from Inorganic Ultrafine Particles Initiated by Azo Groups Introduced on the Surface" by Norio Tsubokawa, et al. published in the Polymer Journal vol. 22, No. 9, pp. 827-833 (1990).
Seeney Charles E.
Watson Tanna K.
Kerr McGee Chemical Corp.
Merriam Andrew E. C.
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