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《材料导报》期刊社  2017, Vol. 31 Issue (8): 125-129    https://doi.org/10.11896/j.issn.1005-023X.2017.08.025
  材料研究 |
噁唑啉官能化R-ABS对废旧HIPS和ABS共混性能的影响*
李迎春, 贺茂勇
中北大学材料科学与工程学院, 太原 030051
Influence of Oxazoline Functionalized Recycled ABS on Properties of Recycled HIPS and ABS Blend
LI Yingchun, HE Maoyong
School of Material Science and Engineering, North University of China, Taiyuan 030051
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摘要 首先研究了废旧高抗冲聚苯乙烯(R-HIPS)和丙烯腈-丁二烯-苯乙烯共聚物(R-ABS)由于老化降解发生的分子结构的变化,然后在此基础上研究了R-HIPS/R-ABS共混物相容性的变化以及SEBS-g-MAH和R-ABSm对多相聚合物R-HIPS和R-ABS微相结构的影响。结果表明,当R-HIPS/R-ABS/SEBS-g-MAH的配比为7∶3∶1.5(质量比)时,加入4%(质量分数)的R-ABSm,共混物缺口冲击强度由2 kJ/m2提高到9 kJ/m2;同时共混物的橡胶相和基体相相界面变模糊,证明SEBS-g-MAH和R-ABSm增强了R-HIPS和R-ABS各自的橡胶相和基体相的界面粘结性以及R-HIPS/R-ABS共混物的相容性,从而提高了R-HIPS/R-ABS共混物的宏观力学性能。
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李迎春
贺茂勇
关键词:  废旧高抗冲聚苯乙烯  废旧ABS  噁唑啉官能化的废旧ABS  共混    
Abstract: First, the molecular structure changes owing to the aging degradation of recycled high-impact polystyrene (R-HIPS) and recycled acrylonitrile-butadiene-styrene copolymer (R-ABS) were studied. On the basis of that, the influences of maleic anhydride grafted styrene-ethylene-butylene-styrene block copolymer (SEBS-g-MAH) and the oxazoline functionalized recycled ABS (R-ABSm) on the interface bonding of rubber and matrix phase of the R-HIPS and R-ABS and the changes of compatibility of the R-HIPS/R-ABS blend were studied. The results showed that when the ratio of R-HIPS/R-ABS/SEBS-g-MAH was 7/3/1.5 (mass ratio), with the addition of 4% (mass fraction) R-ABSm, the impact strength of R-HIPS/R-ABS/SEBS-g-MAH blend improved from 2 kJ/m2 to 9 kJ/m2. The rubber phase and the matrix phase of the blend became fuzzy. It is proved that the anhydride carbonyl groups of SEBS-g-MAH reacted with the oxazoline groups of R-ABSm, which added the rubber phase to the R-ABS.
Key words:  recycled high-impact polystyrene    recycled ABS    oxazoline-modified recycled ABS    blend
出版日期:  2017-04-25      发布日期:  2018-05-02
ZTFLH:  TQ325.1+4  
基金资助: 国家科技支撑计划项目(2014BAC03B00)
作者简介:  李迎春:男,教授,主要从事废旧塑料的回收改性研究 E-mail:liyingchun@126.com
引用本文:    
李迎春, 贺茂勇. 噁唑啉官能化R-ABS对废旧HIPS和ABS共混性能的影响*[J]. 《材料导报》期刊社, 2017, 31(8): 125-129.
LI Yingchun, HE Maoyong. Influence of Oxazoline Functionalized Recycled ABS on Properties of Recycled HIPS and ABS Blend. Materials Reports, 2017, 31(8): 125-129.
链接本文:  
https://www.mater-rep.com/CN/10.11896/j.issn.1005-023X.2017.08.025  或          https://www.mater-rep.com/CN/Y2017/V31/I8/125
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