掺杂废弃线路板非金属粉末的粉刷石膏复合材料的力学性能

发布时间：2018-04-26 13:39

本文选题：废弃印刷线路板 + 非金属粉末　；参考：《环境工程学报》2017年04期

【摘要】：废弃印刷线路板非金属粉末(WPCBNP)是电子废弃物中印刷电路板经破碎和分离其中有价金属部分后,剩余的废弃物,主要由玻璃纤维、热固性环氧树脂和各种添加剂组成。由于其价值低及潜在的溴代环氧树脂污染性等特点,已成为废弃电子产品安全处理、处置亟待解决的问题。采用2种固体废弃物掺杂复合的方法,研究了不同粒径的WPCBNP对粉刷石膏力学性能的影响。研究表明:随着WPCBNP粒径的减小,粉刷石膏复合材料的抗折强度呈先升高后下降趋势,抗压强度呈先下降后升高再下降趋势;其中粒径为80~106μm的WPCBNP对粉刷石膏复合材料的强度增强效果最好且优于国家标准,尤其对其抗折强度的增强效果达到36.9%。该研究将为该类废弃物的安全处理处置提供依据。
[Abstract]:The waste printed circuit board (PCB) is composed of glass fiber, thermosetting epoxy resin and various additives after crushing and separating valuable metal parts of printed circuit board (PCB). Because of its low value and potential pollution of brominated epoxy resin, it has become a problem to be solved for the safe disposal of discarded electronic products. The effects of different particle sizes of WPCBNP on the mechanical properties of plaster were studied by two kinds of solid waste doping and recombination methods. The results show that with the decrease of WPCBNP particle size, the flexural strength of plaster gypsum composites increases first and then decreases, and the compressive strength decreases first and then decreases. Among them, the strength enhancement effect of WPCBNP with particle size of 80 ~ 10 ~ 6 渭 m is the best and better than that of the national standard, especially the strengthening effect of 36.9% for the flexural strength of plaster plaster composite. This study will provide the basis for the safe treatment and disposal of this kind of waste.
【作者单位】：上海第二工业大学环境与材料工程学院;上海巨浪环保有限公司;
【基金】：上海第二工业大学培育学科(XXXKPY1303);上海第二工业大学研究生项目基金(A30NH1513012) 上海市自然科学基金资助项目(15ZR1416800)
【分类号】：X705;TB33

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