THE EFFECT OF SILICA MORPHOLOGY ON PROPERTIES OF PVA/SILICA NANO-COMPOSITES

Lei Bi; Jin-wen Wang; Feng Chen; Qiang Fu

doi:10.1007/s10118-013-1345-1

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THE EFFECT OF SILICA MORPHOLOGY ON PROPERTIES OF PVA/SILICA NANO-COMPOSITES

PAPER | Updated：2023-01-03

- THE EFFECT OF SILICA MORPHOLOGY ON PROPERTIES OF PVA/SILICA NANO-COMPOSITES
- Chinese Journal of Polymer Science Vol. 31, Issue 11, Pages: 1546-1553(2013)
- Affiliations：
  
  College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
- Author bio：
  
  **Feng Chen (陈枫), E-mail: fengchen@scu.edu.cn
  Qiang Fu (傅强), E-mail: qiangfu@scu.edu.cn
- Funds：
- DOI：10.1007/s10118-013-1345-1
  CLC：
- Received：30 November 2012，
  
  Revised：2013-01-30，
  
  Accepted：15 February 2013，
  
  Published：2013-11
- Accepted：
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Lei Bi, Jin-wen Wang, Feng Chen, et al. THE EFFECT OF SILICA MORPHOLOGY ON PROPERTIES OF PVA/SILICA NANO-COMPOSITES[J]. Chinese Journal of Polymer Science, 2013, 31(11): 1546-1553.
DOI：

Lei Bi, Jin-wen Wang, Feng Chen, et al. THE EFFECT OF SILICA MORPHOLOGY ON PROPERTIES OF PVA/SILICA NANO-COMPOSITES[J]. Chinese Journal of Polymer Science, 2013, 31(11): 1546-1553. DOI： 10.1007/s10118-013-1345-1.

摘要

Abstract

Two kinds of poly(vinyl alcohol) (PVA)-silica composites were prepared with different methods. One composite was prepared by directly mixing PVA with 80 nm silica nano-particles which were made from tetraethoxysilane (TEOS). The another was obtained by the mixing PVA and hydrolyzed TEOS in the presence of acid-catalyst. The properties of the two PVA/silica hybrids were characterized by means of scanning electron microscopy (SEM)

UV-Visible spectroscopy

solubility tests

limiting oxygen index (LOI) test

tensile test and dynamical mechanical analysis (DMA)

respectively. The results indicate that PVA-TEOS composites (PT for short) display more transparency than PVA-silica nano-particles hybrids (PS for short). At the same time

The PT composites presented more excellent performance than PS in water resistance

fire resistance and mechanical properties. Moreover

the

of PT increased with increasing TEOS content

while that of PS decreased.

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