Process for the preparation of surface modified solid substrates

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

1991-06-14

1993-05-25

Page, Thurman K.

Stock material or miscellaneous articles

Composite

Of polyisocyanurate

428158, 428111, 4284231, 428426, 428432, 428458, 428447, 428500, 428522, 428532, 428476, 428523, 530813, 524300, B32B 2700

Patent

active

052138984

ABSTRACT:
Method for surface modifying substrates characterized in adsorbing on the surface of a solid substrate a polyamine 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 crotonaldehyde, and optionally finally adsorbing the said polyamine, 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.

REFERENCES:
patent: 4420341 (1983-12-01), Ferrigno
patent: 4565740 (1986-01-01), Golander
patent: 4613665 (1986-09-01), Larm
patent: 4668273 (1987-05-01), Haase
Hawley, The Condensed Chemical Dictionary, Tenth Edition pp. 834-835.

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