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利用等离子体处理技术对PE-WPC进行表面处理以改善其胶接性能,将处理后的木塑复合材料分别贮存在真空(室温)、空气(室温)和空气(低温)环境中,利用XPS分析手段,研究了等离子体处理PE-WPC表面元素的变化,以此表征贮存环境对等离子体处理表面时效性的影响。结果表明,随着放置时间的延长,贮存于真空、空气(室温)和低温环境中的等离子体处理PE-WPC表面的C元素相对含量均增加,O元素则相反,O/C值降低。与空气(室温)环境相比,真空和低温环境下等离子体处理PE-WPC表面O/C值降低的幅度减缓。
The surface of PE-WPC was treated by plasma treatment to improve the bonding performance. The treated WPC were stored in vacuum (room temperature), air (room temperature) and air (low temperature) The effect of plasma on the surface aging of plasma was characterized by the change of elements on PE-WPC treated by plasma. The results showed that the relative contents of C elements in plasma-treated PE-WPC treated with plasma in vacuum, air (room temperature) and low temperature increased with the increase of deposition time, while the O elements decreased and O / C decreased. Compared with the air (room temperature) environment, the decrease of the O / C value of the plasma treated PE-WPC surface under vacuum and low temperature environment is reduced.