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首页> 外文期刊>Journal of Applied Polymer Science >Modification of thewood-plasticcomposite for enhancement of formaldehyde clearance and the3Dprinting application
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Modification of thewood-plasticcomposite for enhancement of formaldehyde clearance and the3Dprinting application

机译：用于增强甲醛清除的木塑复合材料和3D打印应用的改性

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摘要

As the formaldehyde is one of the main indoor pollutants, the purpose of this study is to effectively remove indoor formaldehyde pollution by using environmentally friendly 3D printing ornaments. The wood 3D printing filaments cellulose/polylactic acid composite (Cellu/P) was selected as the starting material, and 3-aminopropyltriethoxysilane (APTES) was used for chemical modification to obtain a series of cellulose composite materials with amino groups. The modified composite materials (APTES@Cellu/P) were characterized by Fourier transform infrared, X-ray diffraction, scanning electron microscope, energy dispersive spectroscopy, thermogravimetric analysis, and mechanical tests, and a formaldehyde removal experiment was performed. The feasibility of 3D printing was evaluated, and the process of 3D printing-functionalized customized ornaments was proposed, and then a school emblem was used for modeling, printing, and surface modification. Compared with the commercially traditional activated carbon, 3D printing-customized ornaments of APTES@Cellu/P material has a better formaldehyde removal effect, and can even avoid the secondary pollution that is common to the activated carbon.
机译：由于甲醛是室内主要污染物之一，本研究的目的是通过使用环保3D打印装饰物来有效去除室内甲醛污染。以木质3D打印长丝纤维素/聚乳酸复合材料（Cellu/P）为原料，采用3-氨基丙基三乙氧基硅烷（APTES）进行化学改性，得到一系列含氨基的纤维素复合材料。改性复合材料(APTES@Cellu/P） 通过傅立叶变换红外光谱、X射线衍射、扫描电子显微镜、能量色散光谱、热重分析和力学试验对其进行了表征，并进行了甲醛去除实验。对3D打印的可行性进行了评估，提出了3D打印功能化定制饰品的流程，并将校徽用于建模、打印和表面修饰。与商用传统活性炭相比，3D打印定制了APTES@Cellu/P材料具有更好的甲醛去除效果，甚至可以避免活性炭常见的二次污染。

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