Modified ethylenic random copolymer

Details Modified ethylenic random copolymer Modified ethylenic random copolymer

C - Chemistry, Metallurgy

08

F

400/2054

C08F 255/00 (2006.01) C08F 212/00 (2006.01) C08F 220/06 (2006.01) C08F 230/08 (2006.01)

Patent

CA 1261499

ABSTRACT OF THE DISCLOSURE A modified ethylenic random copolymer derived from 100 parts by weight of a base ethylenic random copolymer composed of 25 to 75 mole% of ethylene and 75 to 25 mole % of an alpha-olefin having 3 to 20 carbon atoms and grafted thereto, (a) 0.2 to 50 parts by weight of an unsaturated carboxylic acid having 3 to 10 carbon atoms or an anhydride or ester thereof, (b) 0.2 to 200 parts by weight of a styrene-type hydrocarbon having 8 to 12 carbon atoms, or (c) 0.2 to 300 parts by weight of an unsaturated silane compound having 2 to 20 carbon atoms, said modified ethyl- enic random copolymer having an intrinsic viscosity [?], measured in decalin at 135°C, at 0.01 to 1.5 dl/g and a molecular weight distribution (Mw/Mn), measured by gel permeation chromatography, of not more than 4. The modified ethylenic random copolymer can exhibit excellent performance, for example as a modifier or modify- ing aid for various resins or rubbery polymers, a lubricant oil additive, or a dispersing aid for aqueous dispersions of resins or rubbery polymers.

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