ORGANIC/INORGANIC HYBRID EPOXY NANOCOMPOSITES BASED ON OCTA(AMINOPHENYL)SILSESQUIOXANE

Hai-bo Fan; Rong-jie Yang; Xiang-mei Li

doi:10.1007/s10118-013-1196-9

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ORGANIC/INORGANIC HYBRID EPOXY NANOCOMPOSITES BASED ON OCTA(AMINOPHENYL)SILSESQUIOXANE

PAPER | Updated：2023-01-03

- ORGANIC/INORGANIC HYBRID EPOXY NANOCOMPOSITES BASED ON OCTA(AMINOPHENYL)SILSESQUIOXANE
- Chinese Journal of Polymer Science Vol. 31, Issue 1, Pages: 148-158(2013)
- Affiliations：
  
  School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
- Author bio：
  
  *Rong-jie Yang (杨荣杰), E-mail: yrj@bit.edu.cn
- Funds：
- DOI：10.1007/s10118-013-1196-9
  CLC：
- Received：16 February 2012，
  
  Revised：2012-04-06，
  
  Accepted：28 April 2012，
  
  Published：2013-01
- Accepted：
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Hai-bo Fan, Rong-jie Yang, Xiang-mei Li. ORGANIC/INORGANIC HYBRID EPOXY NANOCOMPOSITES BASED ON OCTA(AMINOPHENYL)SILSESQUIOXANE[J]. Chinese Journal of Polymer Science, 2013, 31(1): 148-158.
DOI：

Hai-bo Fan, Rong-jie Yang, Xiang-mei Li. ORGANIC/INORGANIC HYBRID EPOXY NANOCOMPOSITES BASED ON OCTA(AMINOPHENYL)SILSESQUIOXANE[J]. Chinese Journal of Polymer Science, 2013, 31(1): 148-158. DOI： 10.1007/s10118-013-1196-9.

摘要

Abstract

Octa(aminophenyl)silsesquioxane (OAPS) was used as the curing agent of diglycidyl ether of bisphenol-A (DGEBA) epoxy resin. A study on comparison of DGEBA/OAPS with DGEBA/4

4′-diaminodiphenyl sulfone (DDS) epoxy resins was achieved. Differential scanning calorimetry was used to investigate the curing reaction and its kinetics

and the glass transition of DGEBA/OAPS. Thermogravimetric analysis was used to investigate thermal decomposition of the two kinds of epoxy resins. The reactions between amino groups and epoxy groups were investigated using Fourier transform infrared spectroscopy. Scanning electron microscopy was used to observe morphology of the two epoxy resins. The results indicated that OAPS had very good compatibility with DGEBA in molecular level

and could form a transparent DGEBA/OAPS resin. The curing reaction of the DGEBA/OAPS prepolymer could occur under low temperatures compared with DGEBA/DDS. The DGEBA/OAPS resin didn't exhibit glass transition

but the DGEBA/DDS did

which meant that the large cage structure of OAPS limited the motion of chains between the cross-linking points. Measurements of the contact angle indicated that the DGEBA/OAPS showed larger angles with water than the DGEBA/DDS resin. Thermogravimetric analysis indicated that the incorporation of OAPS into epoxy system resulted in low mass loss rate and high char yield

but its initial decomposition temperature seemed to be lowered.

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