Modification process for polymer surfaces, notably for...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

Reexamination Certificate

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C525S326100, C525S333700, C525S333800, C525S360000, C525S383000, C525S387000, C427S331000, C427S337000, C427S340000, C427S341000

Reexamination Certificate

active

07968653

ABSTRACT:
The present invention concerns the use of RO. radicals, R being a hydrogen, an alkyl group having 2 to 15 carbons, an acyl group —COR′ in which R′ represents an alkyl group having 2 to 15 carbons, or an aroyl group —COAr in which Ar represents an aromatic group having 6 to 15 carbons, for the hydroxylation, alkoxylation or oxycarbonylation of polymer surfaces, the said polymers being different from polymers chosen from: polymethylmethacrylate (PMMA) and fluorocarbon polymers when R represents a hydrogen, or of polymer mixture surfaces, notably hydrophobic ones, the said polymers consisting in monomeric units of which at least 50% among these are aliphatic units, and the said RO. radicals being generated by electrochemical or photochemical means.

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patent: 2004/043614 (2004-05-01), None
Aaron, New Photochemical and Electrochemical Methods for the Degradation of Pesticides in Aqueous media. Environmental Applications, Turk J Chem. 25 (2001), 509-520.

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