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Date of Publication:2011-01-01

Journal:功能材料

Volume:42

Issue:10

Page Number:1765-1767

ISSN No.:1001-9731

Abstract:We successfully prepared a PVP hydrophilic coating on medical silicon
   rubber surface by appropriate treatment and silane coupling agent.The
   surface morphology and the thickness of coating were investigated by
   SEM(scanning electron microscope), and hydrophilic properties of the
   samples were characterized by water contact angle.The tendency of
   hydrophilic coating in water was observed by measuring water contact
   angle of different samples with soaking time in 100mL water at 37℃.The
   results indicated that the hydrophilicity of the sample treated by
   coupling agent and hydrophilic solution was modified significantly.The
   obtained coating was very smooth(the thickness was about 110mum), and
   the hydrophilicity soaking of modified samples in water 7d was much
   better than that of the matrix.

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