Acid reactable inorganic mineral fillers having improved compati

Details Acid reactable inorganic mineral fillers having improved compati Acid reactable inorganic mineral fillers having improved compati

1978-03-16

1979-04-24

Griffin, Ronald W.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 23EM, 260 23CP, 260 4214, 260 4253, 260DIG37, C08J 506, C08K 904

Patent

active

041511360

ABSTRACT:
Mineral fillers reactable with acids such as metal carbonates such as CaCO.sub.3 are rendered more compatible with polyolefin resins such as polyethylene by first reacting the filler with a long chain carboxylic acid to form a surface film of the acid. The acid reacted filler is contacted with a vinyl ester of the acid which is then polymerized in the presence of a free radical catalyst such as benzoyl peroxide to encapsulate the acid reacted filler in a coating of the polymerized ester.

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patent: 3668038 (1972-06-01), Kirk et al.
patent: 3803065 (1974-04-01), Arai et al.
patent: 3923190 (1975-12-01), Roth

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