Green wood bio-adhesives from cellulose-derived bamboo powder hydrochars

The development of formaldehyde-free plywood bio-adhesives is becoming a hot research topic. This contribution reports, for the first time, formaldehyde-free plywood bio-derived adhesives using hydrochar from bamboo powder, which has no nutritional ingredients, to address the poor anti-mildew properties of this material. The highest wet shear strength of bio-adhesives (BD-BP-APP) was 0.93 MPa, which meets the Chinese national standard GB/T 9846–2015 (≥0.7 MPa). Deep carbonization decreased the number of active functional groups on the surface of the hydrochar, reducing wet shear strength. The formation of covalent bonds was a key factor in improving wet shear strength during hot-pressing treatment. © 2024

Authors
Chen Y.-X. , Zhu H.-S. , Gao F. , Xiong H.-R. , Yang H. , Xu Z.-X. , Duan P.-G. , Zheng L.-J. , Osman S.M. , Luque R.
Journal
Chemical Engineering Journal
Publisher
Elsevier B.V.
Language
English
Status
Published
Link
External link
DOI
10.1016/J.CEJ.2024.155667
Number
155667
Volume
498
Year
2024
Organizations
  • 1 Zhoukou Normal University, School of Chemistry and Chemical Engineering, Wenchang Avenue, Henan, Zhoukou, China
  • 2 School of Energy and Power Engineering, Jiangsu University, Zhenjiang, 212013, China
  • 3 School of Chemical and Environmental Engineering, Yangtze University, Jingzhou, 434023, China
  • 4 Shaanxi Key Laboratory of Energy Chemical Process Intensification, School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
  • 5 Oil &Gas Technology Research Institute, PetroChina Changqing Oilfield Company, Shaanxi, Xi'an, 710018, China
  • 6 National Engineering Laboratory for Exploration and Development of Low Permeability Oil and Gas Fields, Shaanxi, Xi'an, 710018, China
  • 7 Chemistry Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
  • 8 Peoples Friendship University of Russia (RUDN University), 6 Miklukho Maklaya str., Moscow, 117198, Russian Federation
  • 9 Universidad ECOTEC, Km. 13.5 Samborondón, Samborondón, EC092302, Ecuador
Keywords
Bamboo powder; Bio-adhesives; Hydrochar; Hydrothermal carbonization
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