C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
400/2024
C08F 255/00 (2006.01) C08F 2/14 (2006.01) C08F 222/06 (2006.01)
Patent
CA 1276736
ABSTRACT OF DISCLOSURE Grafting of maleic anhydride, possibly together with styrene, on olefinic polymers, carried out in the presence of radical starters, characterized in that the polymer is maintained in a suspension of an aliphatic, cycloaliphatic or aromatic ketone containing from 3 to 22 carbon atoms. The present process overcomes the problem of grafting maleic anhydride in a suspension process, i.e. the hydrolysis of the anhydride to maleic acid.
498999
Banzi Viviano
Fabbri Roberto
Ausimont S.p.a.
Macrae & Co.
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