废旧聚丙烯/废弃印刷线路板非金属粉复合材料的制备及性能

刘鲁艳; 郭庆杰; 吴曼; 刘新民; 谢恒来; 王许云

doi:10.3969/j.issn.0438-1157.2014.04.046

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废旧聚丙烯/废弃印刷线路板非金属粉复合材料的制备及性能

材料化学工程与纳米技术 | 更新时间：2025-12-10

- 废旧聚丙烯/废弃印刷线路板非金属粉复合材料的制备及性能
- Preparation and performance of composites using waste polypropylene and waste non-metallic powder recycled from printed circuit board
- 化工学报 2014年第4期页码：1495-1502
- 作者机构：
  
  青岛科技大学化工学院, 清洁化工过程山东省高校重点实验室,山东,青岛,266042
- 作者简介：
  
  刘鲁艳（1988—），女，硕士研究生.
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.04.046
  中图分类号： 783.2
- 网络首发：2013-11-27，
  
  纸质出版：2013-11-27
- 稿件说明：
移动端阅览
刘鲁艳, 郭庆杰, 吴曼, 等. 废旧聚丙烯/废弃印刷线路板非金属粉复合材料的制备及性能[J]. 化工学报, 2014,(4):1495-1502.

LIU Luyan, GUO Qingjie, WU Man, et al. Preparation and performance of composites using waste polypropylene and waste non-metallic powder recycled from printed circuit board[J]. CIESC Journal, 2014, (4): 1495-1502.
刘鲁艳, 郭庆杰, 吴曼, 等. 废旧聚丙烯/废弃印刷线路板非金属粉复合材料的制备及性能[J]. 化工学报, 2014,(4):1495-1502. DOI： 10.3969/j.issn.0438-1157.2014.04.046.

LIU Luyan, GUO Qingjie, WU Man, et al. Preparation and performance of composites using waste polypropylene and waste non-metallic powder recycled from printed circuit board[J]. CIESC Journal, 2014, (4): 1495-1502. DOI： 10.3969/j.issn.0438-1157.2014.04.046.

摘要

采用挤出注塑法以废旧聚丙烯（WPP）为基体、废弃线路板非金属粉（WPCBN）为填料制备了复合材料。考察了WPCBN对材料阻燃性能及力学性能的影响。通过红外光谱和扫描电子显微镜分析研究了WPCBN改性前后官能团结构及复合材料冲击断面形貌的差异，以探讨硅烷偶联剂（KH550）、马来酸酐接枝聚丙烯（MAPP）对WPP/WPCBN界面相容性改善及复合材料力学性能提高的作用机理。结果表明，WPCBN超过10 phr后复合材料具有自熄性；经1.5 phr KH550改性后，WPCBN与WPP间的界面黏结力增强，复合材料拉伸、弯曲及冲击强度分别提高6.5%、6.25%和17.9%；m（WPP）：m（WPCBN）：m（MAPP）为100：30：9时，复合材料的拉伸、弯曲强度增幅最大，分别为37.5%和48.8%；WPP/WPCBN与新聚丙烯（NPP）/WPCBN复合材料相比，拉伸、弯曲强度仅降低16.8%、20.4%。

Abstract

The extrusion molding method was used to prepare WPP/WPCBN composites from waste polypropylene (WPP) and non-metallic powder recycled from waste printed circuit boards (WPCBN). The effects of the composites on flame retardant and mechanical properties were investigated. The mechanism of improvement of WPP/WPCBN interface compatibility and mechanical properties by KH550 and MAPP were investigated using infrared spectroscopy and scanning electron microscopy to analyze the structure of WPCBN before and after modification and impact fracture morphology. The composites were self-extinguishing when the content of WPCBN was greater than 10 phr. The interface bonding strength between WPP and WPCBN was improved after modification by 1.5 phr KH550

and tensile strength

flexural strength and impact strength increased by 6.5%

6.25%

and 17.9% respectively. When mass ratio of WPP to WPCBN

and to MAPP was 100/30/9

the maximum increments of tensile and flexural strengths were 37.5% and 48.8%

respectively. Compared with new polypropylene (NPP)/WPCBN composites

tensile and flexural strengths of WPP/WPCBN were only less by 16.8% and 20.4%.

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