Medical article having a hydrophilic coating

Details Medical article having a hydrophilic coating Medical article having a hydrophilic coating

1984-04-25

1984-12-11

Silverberg, Sam

Stock material or miscellaneous articles

Composite

Of polyamidoester

4284237, 4284242, 1283481, B32B 2740

Patent

active

044878087

ABSTRACT:
A process for coating a polymer surface with a hydrophilic coating with low friction in wet condition. The process comprises applying to the polymer surface a solution containing between 0.05 to 40% of a compound which comprises at least two unreacted isocyanate groups per molecule, evaporating the solvent, applying a solution containing between 0.5 to 50% of polyethylene oxide to the thus treated polymer surface and then evaporating the solvent of the last mentioned solution, and curing the coating at elevated temperature. The process is preferably carried out in the presence of a catalyst for the curing of isocyanate.

REFERENCES:
patent: 4232608 (1980-11-01), Lambert

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