ZENG Guodong,CUI Chen,ZHU Feng,et al.Preparation of Organic-Inorganic Hybrid Modified Soy-based Adhesive and its Application in Three-layer Particleboards[J].Chinese Journal of Wood Science and Technology,2025,39(05):1-9. DOI: 10.12326/j.2096-9694.2025111.
Preparation of Organic-Inorganic Hybrid Modified Soy-based Adhesive and its Application in Three-layer Particleboards
The application of soy-based adhesives is limited due to its poor water resistance
susceptibility to mildew
and incompatibility with particleboard manufacturing processes. To overcome these shortcomings
this study improved the adhesive’s performance by synergetic modification using MoS
2
and polyethyleneimine
and tested the physical-mechanical properties and mildew resistance of particleboard. Results showed that the modified soy-based adhesive exhibited a dense fracture structure
improved cohesive strength and water resistance
and excellent mildew resistance. The fabricated three-layer particleboard demonstrated excellent physical and mechanical properties
including a static flexural strength of 19.20 MPa
elastic modulus of 2.77 GPa
internal bonding strength of 0.73 MPa
surface bonding strength of 1.10 MPa
and a 2-h water absorption thickness expansion rate of 1.88%
which met the Type P2 requirements specified in GB/T 4897—2015
Particleboard
. Notably
the particleboard achieved a mildew resistance with an infection grading value exceeding level 1 according to LY/T 2230—2013 S
tandard method of evaluating the resistance of wood-based panels to mold
. These properties demonstrated a great potential of using the modified soy-based adhesive in manufacturing particleboards.
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