Process for hydrophilicizing the surface of polymeric substrates

Details Process for hydrophilicizing the surface of polymeric substrates Process for hydrophilicizing the surface of polymeric substrates

1998-06-29

2000-08-01

Beck, Shrive

Coating processes

Medical or dental purpose product; parts; subcombinations;...

Flexible web, sheet, film, or filament base

427 228, 427302, 427333, 427340, 427521, A61L 2900, A61L 3100, B05D 136, B05D 306, C08F 246

Patent

active

060963697

ABSTRACT:
The invention relates to a process for making the surface of polymeric substrates hydrophilic, which includes coating the surface of a polymeric substrate with a solution of a macroinitiator, wherein the macroinitiator includes a polymer framework and side chains attached to the polymer framework, and wherein at least one of the side chains includes at least one free-radical-forming group. Optionally, a hydrophilic vinyl monomer or monomers may then be free-radical polymerized or graft polymerized onto the macroinitiator-coated substrate. A crosslinking vinyl monomer may optionally be used together with the macroinitiator or the hydrophilic vinyl monomer. The invention also relates to polymeric substrates having hydrophilic surfaces obtained by the process, and articles that include the hydrophilic polymeric substrates.

REFERENCES:
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patent: 5512329 (1996-04-01), Guire et al.
patent: 5869127 (1999-02-01), Zhong
W. Kohnen, et al., Staphylococci and Staphylococcal Infections, pp. 408-410, "Staphylococcal Adherence to Modified Synthetic Polymer Surfaces", Jun. 29-Jul. 3, 1992.
Tatsuro Ouchi, et al., Prog. Polym. Sci., Vol. 20, pp. 211-257, "Macromolecular Prodrugs", 1993.
S.E. Tebbs, et al., The British Society for Antimicrobial Chemotherapy, pp. 261-271, "A Novel Antimicrobial Central Venous Catheter Impregnated with Benzalkonium Chloride", 1993.

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