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Characterization and coating properties of silsesquioxanes derived from the hydrolytic condensation of (3-glycidoxypropyl)trimethoxysilane

  • Lijiang Hu*
  • , Xingwen Zhang
  • , Hong You
  • , Yan Liu
  • , Hao Zhang
  • , Dezhi Sun
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Siisesquioxanes (SSO) were synthesized by the hydrolytic condensation of (3-glycidoxypropyl)trimethoxysilane (GPMS). Their structure was characterized by FTIR and NMR (1H, 13C, 29Si), and the molar mass distribution was determined by UV-MALDI-TOF MS. Films were synthesized by adding the stoichiometric amount of ethylenediamine to SSO solutions in ethanol, dip-coating over glass substrates, and curing using an appropriate thermal cycle. The transmittance of the films was measured by UV-VIS-NIR scanning spectrophotometer (SSP); hardness and modulus were determined with the continuous stiffness measurement (CSM) technique of an instrumented-indentation testing (IIT) device. The effect of the substrate on the coating system was analyzed.

Original languageEnglish
Pages (from-to)1331-1335
Number of pages5
JournalJournal of Materials Science
Volume39
Issue number4
DOIs
StatePublished - 15 Feb 2004

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