Studies on particleboard production using Expanded Polystyrene (EPS) waste as a binder for construction applications

IF 7.4 1区工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY Construction and Building Materials Pub Date : 2024-09-14 DOI:10.1016/j.conbuildmat.2024.138279

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Abstract

This study explored the potential of using EPS waste as a substitute for synthetic resin in particleboard production. The objectives were to assess the impact of various processing parameters, including board density, EPS waste percentage, and pressing temperature, on the properties of the board. For this purpose, lab-scale particleboards were fabricated by combining kelempayan wood particles with EPS waste powders. Subsequently, the physical, mechanical, and thermal stability properties of the board were assessed. The results indicated that the board density, EPS waste percentage, and pressing temperature influenced the physical, mechanical, and thermal stability properties of the board. The bending properties, internal bond (IB) strength, and thickness swelling (TS) of the board exhibited an upward trend with increasing board density. At the same time, the TS decreased while bending properties and IB strength increased with rising EPS waste percentages and pressing temperatures. Notably, the board fabricated with a target density of 0.70 g/cm³, comprising 20 % EPS waste and pressed at 180°C, met the standard requirements for particleboard designated for construction purposes, except the modulus of rupture (MOR), which is slightly lower than the standard requirement. In addition, the thermal stability of the board increased with higher pressing temperatures. Conversely, increasing the density and EPS waste percentage to 40 % appeared to decrease the thermal stability of the board. These findings underscore the significant potential of EPS waste as a binder in particleboard production.

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使用发泡聚苯乙烯（EPS）废料作为建筑用粘合剂生产刨花板的研究

本研究探讨了在刨花板生产中使用发泡聚苯乙烯废料替代合成树脂的潜力。目的是评估各种加工参数（包括板材密度、EPS 废料比例和压制温度）对板材性能的影响。为此，实验室规模的刨花板是由克林巴颜木颗粒和 EPS 废料粉末混合制成的。随后，对板材的物理、机械和热稳定性进行了评估。结果表明，木板密度、EPS 废料比例和压制温度会影响木板的物理、机械和热稳定性能。板材的弯曲性能、内部结合强度（IB）和厚度膨胀率（TS）随着板材密度的增加呈上升趋势。同时，随着发泡聚苯乙烯废料比例和压制温度的增加，TS 下降，而弯曲性能和 IB 强度增加。值得注意的是，目标密度为 0.70 克/立方厘米、含 20% EPS 废料并在 180°C 下压制的板材，除断裂模数（MOR）略低于标准要求外，其他性能均符合建筑用刨花板的标准要求。此外，压制温度越高，板材的热稳定性也越高。相反，将密度和发泡聚苯乙烯废料比例提高到 40% 似乎会降低板材的热稳定性。这些发现强调了 EPS 废弃物作为刨花板生产粘合剂的巨大潜力。

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来源期刊

Construction and Building Materials 工程技术-材料科学：综合

CiteScore

13.80

自引率

21.60%

发文量

3632

审稿时长

82 days

期刊介绍： Construction and Building Materials offers an international platform for sharing innovative and original research and development in the realm of construction and building materials, along with their practical applications in new projects and repair practices. The journal publishes a diverse array of pioneering research and application papers, detailing laboratory investigations and, to a limited extent, numerical analyses or reports on full-scale projects. Multi-part papers are discouraged. Additionally, Construction and Building Materials features comprehensive case studies and insightful review articles that contribute to new insights in the field. Our focus is on papers related to construction materials, excluding those on structural engineering, geotechnics, and unbound highway layers. Covered materials and technologies encompass cement, concrete reinforcement, bricks and mortars, additives, corrosion technology, ceramics, timber, steel, polymers, glass fibers, recycled materials, bamboo, rammed earth, non-conventional building materials, bituminous materials, and applications in railway materials.