EFFECT OF SILICA NANOPARTICLES ON PROPERTIES OF WATERBORNE POLYURETHANES

Xiao-hu Qiang; Li-bang Feng; Yan-ping Wang; Shun-hua Wang

doi:10.1007/s10118-012-1175-6

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EFFECT OF SILICA NANOPARTICLES ON PROPERTIES OF WATERBORNE POLYURETHANES

PAPER | Updated：2023-01-03

- EFFECT OF SILICA NANOPARTICLES ON PROPERTIES OF WATERBORNE POLYURETHANES
- Chinese Journal of Polymer Science Vol. 30, Issue 6, Pages: 845-852(2012)
- Affiliations：
  
  a.Key Laboratory of Road Bridge and Underground Engineering of Gansu Province, Lanzhou Jiaotong University, Lanzhou 730070, China
  b.School of Mechatronic Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
- Author bio：
  
  **Li-bang Feng (冯利邦), E-mail: fenglb@mail.lzjtu.cn
- Funds：
- DOI：10.1007/s10118-012-1175-6
  CLC：
- Received：27 February 2012，
  
  Revised：2012-03-29，
  
  Accepted：05 April 2012，
  
  Published：2012-11
- Accepted：
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Xiao-hu Qiang, Li-bang Feng, Yan-ping Wang, et al. EFFECT OF SILICA NANOPARTICLES ON PROPERTIES OF WATERBORNE POLYURETHANES[J]. Chinese Journal of Polymer Science, 2012, 30(6): 845-852.
DOI：

Xiao-hu Qiang, Li-bang Feng, Yan-ping Wang, et al. EFFECT OF SILICA NANOPARTICLES ON PROPERTIES OF WATERBORNE POLYURETHANES[J]. Chinese Journal of Polymer Science, 2012, 30(6): 845-852. DOI： 10.1007/s10118-012-1175-6.

摘要

Abstract

Waterborne polyurethane composites containing silica nanoparticles are synthesized successfully

via

the

in situ

polymerization. The structure

thermal stability

surface hardness

tensile strength

UV-Vis absorbance

dynamic mechanical properties and chemicals resistance of the resulting composites are investigated by FTIR

TEM

TGA

UV-Vis

DMA and chemicals soakage measurements. Results show that polyurethane molecules and silica nanoparticles are linked with covalent bonds. As a result

physical properties of polyurethane composites

such as thermal stability

surface hardness

weather and chemicals resistance are all improved when an appropriate concentration of silica nanoparticles are incorporated.

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