Bioactive and hydrophilic coating of polymeric substrates

C - Chemistry – Metallurgy – 08 – J

Patent

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Details

C08J 7/04 (2006.01) A61F 6/04 (2006.01) A61L 27/34 (2006.01) A61L 29/00 (2006.01) A61L 29/08 (2006.01) A61L 31/00 (2006.01) A61L 31/10 (2006.01) A61L 33/08 (2006.01) C08J 7/12 (2006.01)

Patent

CA 2259073

Disclosed is a process for forming a hydrophilic and bioactive coating on a surface of a polymer substrate, in which a hydrophilic or hydrophilized polymer substrate is treated with a polyalkyleneimine as a primer or with ammonia plasma, and a hydrophilic, bioactive coating polymer that contains (a) a carboxyl or carboxylate group, (b) a sulfonic acid or sulfonate group or (c) a sulfuric acid ester or sulfate group is applied to this pretreated substrate. The coated substrate can be used for technical, medico-technical, hygienic, or biotechnical purposes.

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