Mechanical and Fire Properties of Flame-Retardant Laminated Bamboo Lumber Glued with Phenol Formaldehyde and Melamine Urea Formaldehyde Adhesives

This study investigated the effects of different adhesives, phenol formaldehyde (PF) and melamine urea formaldehyde (MUF), on the mechanical and fire properties of flame-retardant laminated bamboo lumber (LBL). The results demonstrated that the flame-retardant treatment using phosphorus-nitrogen-bor...

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Bibliographic Details
Published in:Polymers 2024-03, Vol.16 (6), p.781
Main Authors: He, Ying, Jin, Xiaobei, Li, Jingpeng, Qin, Daochun
Format: Article
Language:English
Subjects:
Acids
Adhesives
Analysis
Bamboo
Bend strength
Boron compounds
Chemical processes
Fireproofing agents
Flame retardants
Formaldehyde
Heat
Influence
Lumber
Mechanical properties
Melamine
Methods
Moisture content
Nitrogen
Phenol formaldehyde
Phenols
Phosphorus
Shear properties
Shear strength
Shear tests
Smoke
Temperature
Thermal properties
Urea
Ureas
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Summary:This study investigated the effects of different adhesives, phenol formaldehyde (PF) and melamine urea formaldehyde (MUF), on the mechanical and fire properties of flame-retardant laminated bamboo lumber (LBL). The results demonstrated that the flame-retardant treatment using phosphorus-nitrogen-boron compounds endowed the LBL with excellent flame retardancy and smoke suppression properties, even though the bending strength and bond shear strength were slightly reduced. The PF-glued LBL exhibited superior mechanical and shear properties to the MUF-glued ones, primarily due to its higher processing temperature and deeper adhesive penetration. In addition, the MUF-glued flame-retardant LBL displayed better heat release reduction and smoke suppression properties than the PF-glued LBL, which resulted from the synergistic flame retardancy between the melamine element in MUF and the applied flame retardant. The analysis of the influence of adhesive type on the mechanical and fire properties of flame-retardant LBL holds significant importance for the future design and production of high-performance LBL material.
ISSN:2073-4360
2073-4360
DOI:10.3390/polym16060781