シラノール基を有するポリシロキサンを用いたヒドロキシアパタイト固定化ポリウレタン膜の作製

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  • Fabrication of Hydroxyapatite-immobilized Polyurethane Films with Polysiloxane Containing Silanol

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type:論文

Polyurethane films were fabricated by coating the surface of polyurethane bearing a carboxyl moiety (PUCOOH) with polysiloxanes containing a silanol group (-SiOH), which were prepared from silica gel. The structure of the used polysiloxane significantly affected the mechanical property of the film, and the relative elastic modulus ratio E/E0 (E0: a value observed for the PUCOOH film without coating), evaluated for the film coated with the polysiloxane containing an amino group (poly-SOLPh(0.6)AP), reached to the highest value of 2.44. The coating method was applied to immobilize hydroxyapatite (HAp) on the surface of the polyurethane film. The use of poly-SOLPh(0.6)AP, as a coating reagent, effectively produced the HAp-dispersed film which showed a value of 2.00 for E/E0.

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