HYDROPHILIC COATING
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Abstract
The invention relates to a coating formulation for preparing a hydrophilic coating, wherein the hydrophilic coating formulation comprises a supporting monomer and/or polymer comprising at least 2 reactive moieties capable of undergoing polymerization reactions, a polyelectrolyte, a Norrish Type I photoinitiator, and a Norrish Type II photoinitiator.
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Citations
33 Claims
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1-18. -18. (canceled)
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19. Coating formulation for preparing a hydrophilic coating, wherein the hydrophilic coating formulation comprises
(a) a supporting monomer and/or polymer comprising at least 2 reactive moieties capable of undergoing polymerization reactions; - wherein the supporting polymer has a number average molecular weight in the range 750-20,000 g/mol, preferably 1,000-15,000 g/mol, more preferably 1,100-10,000, in particular 1,200-7,000, more in particular 1,400-5,000 g/mol;
(b) a polyelectrolyte; (c) a Norrish Type I photoinitiator; and (d) a Norrish Type II photoinitiator - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 28, 30, 31, 32, 33)
- wherein the supporting polymer has a number average molecular weight in the range 750-20,000 g/mol, preferably 1,000-15,000 g/mol, more preferably 1,100-10,000, in particular 1,200-7,000, more in particular 1,400-5,000 g/mol;
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27. Lubricious coating having a wear resistance, as measured according to the particulates release wear test, corresponding to less than 3000, preferably less than 2000, more preferably less than 1000, in particular less than 500 particles larger than 10 μ
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29. Use of a Norrish Type I and a Norrish Type II photo-initiator in a lubricious coating wherein the wear resistance, as measured as measured according to the particulates release wear test, corresponding to less than 3000, preferably less than 2000, more preferably less than 1000, in particular less than 500 particles larger than 10 μ
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Specification