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首页> 外文期刊>Journal of Applied Polymer Science >Surface of cellulosic materials modified with functionalized polyethylene coupling agents
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Surface of cellulosic materials modified with functionalized polyethylene coupling agents

机译：用功能化聚乙烯偶联剂改性的纤维素材料的表面

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The interfacial adhesion between a wood fiber and a plastic matrix strongly influences the performance of wood-fiber-reinforced thermoplastic composites. Fiber surface modification with coupling agents is generally needed to induce bond formation between the fiber and polymer matrix. This study investigated the chemical reactions between cellulosic materials and functionalized polyethylene coupling agents. Both wood flour and cotton cellulose powder were treated with acrylic acid-functionalized polyethylene and maleic anhydride-functionalized polyethylene (maleated polyethylene) for surface modifications, and chemical changes resulting from these treatments were followed by a study of the Fourier transform infrared and X-ray photoelectron spectroscopy spectra. Variations in the band intensities, oxygen-to-carbon ratios, and concentrations of unoxidized carbon atoms were related to changes that occurred on the surfaces of modified cellulosic materials. The experimental results indicated that chemical bonds between the hydroxyl groups of the cellulosic materials and the functional groups of the coupling agents occurred through esterification reactions. (C) 2003 Wiley Periodicals, Inc. [References: 29]
机译：木纤维和塑料基质之间的界面粘合力强烈影响木纤维增强的热塑性复合材料的性能。通常需要用偶联剂对纤维表面进行改性以诱导纤维和聚合物基质之间形成键。这项研究调查了纤维素材料和功能化聚乙烯偶联剂之间的化学反应。木粉和棉纤维素粉均用丙烯酸官能化的聚乙烯和马来酸酐官能化的聚乙烯（马来酸化的聚乙烯）进行表面改性，然后通过化学处理进行化学变化，然后进行傅立叶变换红外和X射线研究光电子能谱。带强度，氧碳比和未氧化碳原子浓度的变化与改性纤维素材料表面发生的变化有关。实验结果表明，纤维素材料的羟基与偶联剂的官能团之间的化学键是通过酯化反应发生的。 （C）2003 Wiley Periodicals，Inc. [参考：29]

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