Process for the preparation of surface modified solid...

Details Process for the preparation of surface modified solid... Process for the preparation of surface modified solid...

C - Chemistry, Metallurgy

08

J

C08J 7/12 (2006.01) A61L 33/00 (2006.01) C08G 73/02 (2006.01) C08J 7/04 (2006.01) C08L 79/02 (2006.01) C08L 23/00 (2006.01) C08L 25/06 (2006.01) C08L 27/06 (2006.01) C08L 27/18 (2006.01) C08L 75/04 (2006.01) C08L 83/00 (2006.01)

Patent

CA 2066161

Method for surface modifying substrates characterized in adsorbing on the surface of a solid substrate a polyamin of a high average molecular weight and cross-linking this with crotonaldehyde either simultaneously or by addition in separate steps to produce amino groups on the surface of the substrate, and optionally adsorbing one or several alternating layers of an anionic polysaccharide and of the said polyamine being cross-linked with crontonaldehyde, and optionally finally adsorbing the said poly- amine, not cross-linked, to produce free primary amino groups by which chemical entities having a biological activity may be bound by covalent or ionic bonding.

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