Paper Title:
Organic-Inorganic Hybrids for Bioinert Coating on Implantable Electronic Devices
  Abstract

For the purpose of bioinert coating on electronic devices, we developed the non-hydrolytic sol-gel derived organic-inorganic hybrid materials by addition of epoxy groups which can adhere strongly to the surface of electronic silicon device. The adhesion and chemical properties of hybrids were investigated as a function of epoxy group contents. The hybrids were prepared from 3-metacrloxypropyltrimethoxysilane (MPTS) and 3-glycidoxypropyltrimethoxysilane (GPTS) and diphenylsilanediol. The transparent hybrids were obtained after curing by UV irradiation. The adhesion properties of the hybrids were estimated by the maximum load to resist in a scratch test. The adhesion property of the hybrids increased with addition of GPTS and the highest adhesion was obtained from the hybrid with 5-10 mol% of GPTS. From the element analysis, Si concentrations of all the solutions were less than 2 mM after soaking for 7 d. The Si concentrations were not changed with increasing soaking period. The addition of epoxy groups is effective on improvement of adhesion property of the silica-based hybrid without loosening its chemical stability.

  Info
Periodical
Key Engineering Materials (Volumes 493-494)
Main Theme
Edited by
Eyup Sabri Kayali, Gultekin Goller and Ipek Akin
Pages
508-512
DOI
10.4028/www.scientific.net/KEM.493-494.508
Citation
I. Y. Kim, K. Nomura, K. Kikuta, J. Ohta, T. Tokuda, C. Ohtsuki, "Organic-Inorganic Hybrids for Bioinert Coating on Implantable Electronic Devices", Key Engineering Materials, Vols. 493-494, pp. 508-512, 2012
Online since
October 2011
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Price
$32.00
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