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European Journal of Wood and Wood Products

, Volume 76, Issue 1, pp 305–313 | Cite as

Fabrication of soybean protein-acrylate composite mini-emulsion toward wood adhesive

  • Wang Fapeng
  • Wang Jifu
  • Wang Chunpeng
  • Chu Fuxiang
  • Liu Xiaohuan
  • Pang JiuyinEmail author
Original

Abstract

A series of soybean protein-acrylate composite mini-emulsions used for wood adhesive were facilely synthesized by mini-emulsion polymerization. The chemical compositions, properties and adhesive performances of composites were characterized by FTIR, SEM, TEM, TGA, DSC, XPS and bonding strength. The results indicated the copolymerized emulsions had appropriate particle sizes and uniform particle distribution. Soy protein could make active groups crosslinked with polyacrylate within or between molecules. The glass transition temperature (Tg) of acrylate was changed after adding soy protein. The binding energy of C (1 s) had a significant change. Besides, parts of C–O and C=O groups reacted to soybean protein and finally formed carboxyl groups. Bonding strengths of plywood prepared by mini-emulsion were all higher than 0.7 MPa, meeting the standard of GB/T9846-2004 II. The successful fabrication of soyprotein acrylate composite adhesives could open up a new way for wood adhesives with no release of free phenol nor free formaldehyde.

Notes

Acknowledgements

We would like to acknowledge support from the National Natural Science Foundation of China (31270589), Science and Technology Foundation of Jilin Province (20140204054NY), Jiangsu Provincial Natural Science Foundation of China (BK20131070), Special Fund for Scientific Research Foundation of Zhejiang Agriculture and Forestry University (2014FR070), and the Program for key Science and Technology Team of Zhejiang Province (2013TD17).

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Copyright information

© Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • Wang Fapeng
    • 1
    • 7
  • Wang Jifu
    • 2
    • 3
    • 4
    • 5
    • 6
  • Wang Chunpeng
    • 2
    • 3
    • 4
    • 5
    • 6
  • Chu Fuxiang
    • 2
    • 3
    • 4
    • 5
    • 6
  • Liu Xiaohuan
    • 7
  • Pang Jiuyin
    • 1
    Email author
  1. 1.Wood Material Science and Engineering Key Laboratory of Jilin ProvinceBeihua UniversityJilinChina
  2. 2.Institute of Forest New Technology, CAFBeijingChina
  3. 3.Institute of Chemical Industry of Forestry Products, CAFNanjingChina
  4. 4.National Engineering Laboratory for Biomass Chemical UtilizationNanjingChina
  5. 5.Key and Laboratory on Forest Chemical Engineering, SFANanjingChina
  6. 6.Key Laboratory of Biomass Energy and MaterialNanjingChina
  7. 7.Faculty of EngineeringZhejiang Agricultural and Forestry UniversityLin’anChina

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