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Low-Density Particleboards Modified with Blowing Agents-Characteristic and Properties
Piotr Boruszewski1, Piotr Borysiuk1, Agnieszka Jankowska1
1Institute of Wood Sciences and Furniture, Warsaw University of Life Sciences-SGGW, 159 Nowoursynowska St., 02-776 Warsaw, Poland.
Materials (Basel, Switzerland)
|July 9, 2022
Summary
Researchers developed low-density particleboards using blowing agents to improve mechanical properties. Particleboards modified with p-toluenesulfonyl hydrazide showed the best performance, offering a promising advancement for the furniture industry.
Area of Science:
- Materials Science
- Wood Composites
Background:
- Lightweight particleboards face challenges like poor mechanical properties and processing difficulties.
- Current production methods do not adequately address these limitations.
Purpose of the Study:
- To explore the production of reduced-density particleboards for the furniture industry.
- To investigate the use of blowing agents (hydrazides, dicarboxamides, tetrazoles) as adhesive resin modifiers.
Main Methods:
- Modification of adhesive resin with blowing agents for three-layer particleboards.
- Testing particleboard properties with different modifiers, glue content, dosing methods, and particle sizes.
Main Results:
- Particleboards modified with p-toluenesulfonyl hydrazide exhibited superior mechanical properties.
- This variant demonstrated high bending strength, modulus of elasticity, and internal bond strength.
- Excellent dimensional stability was observed in the optimized particleboard variant.
Conclusions:
- Modifying adhesive resins with specific blowing agents is a viable method for producing low-density particleboards.
- The developed technology offers a novel approach to enhance particleboard performance for industrial applications.
Keywords:
blowing agentlightweight particleboardlow densityparticleboardphysical and mechanical propertiesraw materialresin contentMore Related Videos
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