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Cellulose

, Volume 20, Issue 5, pp 2583–2590 | Cite as

Effects of emulsifier on the bonding performance and freeze–thaw stability of starch-based wood adhesive

  • Zhenjiong Wang
  • Zhengbiao Gu
  • Zhaofeng Li
  • Yan Hong
  • Li Cheng
Original Paper

Abstract

In this study, different emulsifiers were used to improve the bonding performance and freeze–thaw stability of renewable starch-based wood adhesive. The improved bonding performance and freeze–thaw stability were supported by the enhanced shear strength, grafted parameters, and viscosity stability after repeated freeze–thaw cycling. ζ-Potential determination, differential scanning calorimetry and pulsed nuclear magnetic resonance analysis indicated that the emulsifiers improve the grafting of vinyl acetate monomers into the starch bonds via free radical vinyl polymerization and hinder the aggregation of starch molecules. Among the emulsifiers tested, sodium dodecyl sulfate showed the highest improvement in the bonding performance and freeze–thaw stability of starch-based wood adhesives.

Keywords

Waxy corn starch Wood adhesive Emulsifiers Freeze–thaw stability Bonding performance 

Notes

Acknowledgments

This work was funded by the Science and Technology Support (Industry) program of Jiangsu Province (BE2011015), and the Transformation project for College Science and Technology Achievements (JHB2011-28).

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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • Zhenjiong Wang
    • 1
    • 2
  • Zhengbiao Gu
    • 1
  • Zhaofeng Li
    • 1
  • Yan Hong
    • 1
  • Li Cheng
    • 1
  1. 1.State Key Laboratory of Food Science and Technology, School of Food Science and TechnologyJiangnan UniversityWuxiPeople’s Republic of China
  2. 2.School of Biochemical and Environmental EngineeringNanjing Xiaozhuang UniversityNanjingPeople’s Republic of China

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