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Journal of Polymer Research

, Volume 16, Issue 4, pp 375–380 | Cite as

Preparation and characterization of the waterborne polyurethane modified with nanosilica

  • Jing-Jing Chen
  • Chuan-Fang Zhu
  • Hong-Tao Deng
  • Zheng-Ni Qin
  • Yi-Qiong Bai
Article

Abstract

The nano-SiO2 is used to modify the waterborne polyurethane, and the morphology and performance of the waterborne polyurethane (are studied in) prepared by the in-suit polymerization method and the blending method. The properties and structure have been characterized by fourier transform infrared spectra (IR), differential scanning calorimetry (DSC), Thermal gravimetric (TG), transmittance electron microscopy (TEM) and Dynamical Mechanical Analysis(DMA). The experiment results show that, compared with the blending method, the in-suit polymerization has more advantages in that the nano-SiO2 is evenly dispersed in the waterborne polyurethane, obviously in microphase separation and better in resistance to high temperature and water.

Keywords

Waterborne polyurethane Nanosilica Composite 

Abbreviations

DBTDL

dibutyltin dilaureate

DSC

Differential Scanning Calorimetry

DHPDMS

dihydroxy polydimethylsiloxane

DMPA

dimethylol-propionic acid

DMA

Dynamical Mechanical Analysis

EAC

ethyl acetate

FTIR

Fourier Transform Infrared Spectra

IPDI

isophorone diisocyanate

MEK

Methyl ethylketone

NMP

N-methyl-pyrolidone

PCL

polycapro- lactone

PCD

polycarbonate diol

WPU

polyurethane

TEA

triethylamine

TGA

Thermogravimetric Analysis

TEM

Transmittance Electron Microscopy

IPDA

isophorone diamine

Notes

Acknowledgements

The authors are grateful for the financial support from the Natural Science Foundation of Hubei Province in China (Grants 2006ABA174).

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Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  • Jing-Jing Chen
    • 1
  • Chuan-Fang Zhu
    • 1
  • Hong-Tao Deng
    • 1
  • Zheng-Ni Qin
    • 1
  • Yi-Qiong Bai
    • 1
  1. 1.College of Chemistry Central China Normal UniversityWuhanPeople’s Republic of China

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