热环境对偶联剂处理聚乙烯木塑复合材表面性质的影响

doi:10.11707/j.1001-7488.20131217

Abstract

Abstract:

The surface of wood/polyethylene (PE) composites was treated by silicane coupling agent to improve its adhesion properties. To explore the durability in the condition of heat for the bonding joint, bonding strength test, the contact angle test, SEM, FTIR and XPS were employed in the heating experiment to investigate the effect of heat on the surface properties of wood/PE composites treated by silicane coupling agent. The results indicated that there was a chemical combination between silicane coupling agent and the surface of the composite after the surface treatment of coating, which would be of great benefit to the adhesion for the composite. And the surface properties of wood /PE composite treated by silicane coupling agent would have a change under long time heating, which embodied in the change of the roughness and the contents of chemical groups for the surface of the composites. The changes for the surface properties of the coating treated wood/PE composites would have a considerable effect on the durability of the bonding joint and the wood fiber within the composite could result in further changes of surface properties under long time heating.

Key words: wood/polyethylene composites, surface treatment, silicane coupling agent, surface property, heat-resistance

CLC Number:

TQ321.5

Wang Hui, Di Mingwei, Wang Qingwen. Effect of Heat on the Surface Properties for Wood/Polyethylene Composites Treated by Silicane Coupling Agent[J]. Scientia Silvae Sinicae, 2013, 49(12): 114-120.

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Effect of Heat on the Surface Properties for Wood/Polyethylene Composites Treated by Silicane Coupling Agent

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