基于胶黏剂原位发泡的轻质高强刨花板制备工艺研究

邹彩鑫; 梁永枝; 蒙树荣; 陈探; 赵双良; 刘明; 王春鹏; 肖岩; 程芳超

doi:10.19554/j.cnki.1001-3563.2026.15.002

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包装工程（技术栏目） ›› 2026, Vol. 47 ›› Issue (15) : 14-24. DOI: 10.19554/j.cnki.1001-3563.2026.15.002

先进材料

基于胶黏剂原位发泡的轻质高强刨花板制备工艺研究

邹彩鑫^1a, 梁永枝^1a, 蒙树荣^1a, 陈探^1a, 赵双良^1b, 刘明², 王春鹏³, 肖岩⁴, 程芳超^1a,*

作者信息 +

Fabrication and Properties of Lightweight and High-strength Particleboards Using In-situ Adhesive Foaming

ZOU Caixin^1a, LIANG Yongzhi^1a, MENG Shurong^1a, CHEN Tan^1a, ZHAO Shuangliang^1b, LIU Ming², WANG Chunpeng³, XIAO Yan⁴, CHENG Fangchao^1a,*

Author information +

文章历史 +

摘要

目的解决传统胶黏剂环保性与力学性能的平衡难题,利用蒙脱土/蓖麻油复合改性异氰酸酯得到了蒙脱土/蓖麻油复合改性聚氨酯胶黏剂,并将其用于制备轻质高强的刨花板。方法以蒙脱土、蓖麻油、MDI、吐温80为原料,通过调控蒙脱土与蓖麻油配比,制备不同的蒙脱土/蓖麻油基聚氨酯胶黏剂。将蒙脱土/蓖麻油复合改性聚氨酯胶黏剂与刨花混合,通过调控热压参数,采用三段式热压工艺制备得到轻质高强的刨花板。结果当蒙脱土与蓖麻油质量比为1︰3时,所制备的胶黏剂的胶膜泡孔分布均匀、结构蓬松,发泡效果最佳。当热压温度为200 ℃、压力为5.0 MPa、时间为300 s时,该胶黏剂所制备的刨花板综合性能较好,其静曲强度为12.1 MPa,弹性模量为2 089 MPa,内结合强度为0.51 MPa,表面胶合强度为0.92 MPa,吸水厚度膨胀率为1.62%,密度为0.57 g/cm³。结论蒙脱土/蓖麻油复合改性聚氨酯胶黏剂兼具绿色环保与成本效益,提升板材力学性能的同时降低其密度与生产能耗。利用蒙脱土/蓖麻油复合改性聚氨酯胶黏剂制备的轻质刨花板力学性能指标均达《刨花板》GB/T 489—2015中P2型要求,且力学性能优异,这为制备低成本、高性能的轻质刨花板提供了理论依据。

Abstract

The work aims to develop a montmorillonite/castor oil composite-modified polyurethane adhesive using montmorillonite and castor oil to modify isocyanate, and subsequently employ it to fabricate lightweight high-strength particleboard, so as to address the trade-off between environmental friendliness and mechanical performance in conventional adhesives. A series of montmorillonite/castor oil-based polyurethane adhesives were prepared by adjusting the mass ratio of montmorillonite to castor oil, with montmorillonite, castor oil, MDI and Tween 80 as raw materials. The as-prepared adhesive was mixed with wood particles, and a three-stage hot-pressing process was applied to produce lightweight high-strength particleboard under controlled hot-pressing parameters. When the mass ratio of montmorillonite to castor oil was 1:3, the resulting adhesive film exhibited the best foaming performance, characterized by uniform bubble distribution and a loose structure. At a hot-pressing temperature of 200 °C, pressure of 5.0 MPa, and time of 300 s, the particleboard prepared with this adhesive showed desirable comprehensive properties: modulus of rupture (MOR) of 12.1 MPa, modulus of elasticity (MOE) of 2 089 MPa, internal bonding strength of 0.51 MPa, surface bonding strength of 0.92 MPa, thickness swelling rate of 1.62%, and density of 0.57 g/cm³. The montmorillonite/castor oil composite-modified polyurethane adhesive is both environmentally friendly and cost-effective. It enhances the mechanical properties of the particleboard while reducing its density and production energy consumption. The obtained lightweight particleboard meets all mechanical property requirements of type P2 in the Chinese national standard "Particleboard" (GB/T 4897—2015), demonstrating excellent mechanical performance. This work provides a theoretical basis for the preparation of low-cost, high-performance lightweight particleboard.

导出引用

邹彩鑫, 梁永枝, 蒙树荣, 陈探, 赵双良, 刘明, 王春鹏, 肖岩, 程芳超. 基于胶黏剂原位发泡的轻质高强刨花板制备工艺研究[J]. 包装工程. 2026, 47(15): 14-24 https://doi.org/10.19554/j.cnki.1001-3563.2026.15.002

ZOU Caixin, LIANG Yongzhi, MENG Shurong, CHEN Tan, ZHAO Shuangliang, LIU Ming, WANG Chunpeng, XIAO Yan, CHENG Fangchao. Fabrication and Properties of Lightweight and High-strength Particleboards Using In-situ Adhesive Foaming[J]. Packaging Engineering. 2026, 47(15): 14-24 https://doi.org/10.19554/j.cnki.1001-3563.2026.15.002

中图分类号： TQ433

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