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[1]袁 军1,2,刘 明1,等.碳酸钙和乙烯-辛烯共聚物对废旧聚丙烯塑料的改性[J].武汉工程大学学报,2015,37(03):9-14.[doi:10. 3969/j. issn. 1674—2869. 2015. 03. 0003]
 ,,et al.Modification of calcium carbonate and ethylene-octene on waste polypropylene plastics[J].Journal of Wuhan Institute of Technology,2015,37(03):9-14.[doi:10. 3969/j. issn. 1674—2869. 2015. 03. 0003]
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碳酸钙和乙烯-辛烯共聚物对废旧聚丙烯塑料的改性(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
37
期数:
2015年03期
页码:
9-14
栏目:
化学与化学工程
出版日期:
2015-04-23

文章信息/Info

Title:
Modification of calcium carbonate and ethylene-octene on waste polypropylene plastics
文章编号:
1674—2869(2015)03—0009—06
作者:
袁 军1刘 明1陈 威1饶文龙1辛 闻1
1.武汉工程大学化工与制药学院,湖北 武汉430074;2.绿色化工过程教育部重点实验室(武汉工程大学), 湖北 武汉430074
Author(s):
YUAN Jun1LIU Ming1CHEN Wei1RAO Wen-long1XIN Wen1
1. School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430074, China;2. Key Laboratory of Green Chemical Process (Wuhan Institute of Technology) ,Ministry of Education ,Wuhan 430074, China
关键词:
废旧聚丙烯共混碳酸钙乙烯-辛烯共聚物改性
Keywords:
waste polypropylene blends calcium carbonate ethylene-octene strengthening
分类号:
TB35
DOI:
10. 3969/j. issn. 1674—2869. 2015. 03. 0003
文献标志码:
A
摘要:
研究了废旧聚丙烯塑料的共混工艺、增强增韧改性及共混物的流动性能. 以废旧聚丙烯塑料为研究对象,加入无机填料碳酸钙,增韧剂乙烯-辛烯共聚物及适量相容剂马来酸酐接枝聚丙烯对其进行增强增韧改性,通过熔融共混法制备了聚丙烯/碳酸钙、聚丙烯/碳酸钙/乙烯-辛烯共聚物两种复合材料. 结果表明:碳酸钙和乙烯-辛烯共聚物对废旧聚丙烯塑料均有良好的的增韧效果,马来酸酐接枝聚丙烯作为聚丙烯/碳酸钙复合体系的界面改性剂能有效改善分散相碳酸钙在连续相聚丙烯中的分散状态,但乙烯-辛烯共聚物的加入会降低复合材料的拉伸强度,且共混体系的流动性能也有明显的降低趋势. 当聚丙烯/碳酸钙/乙烯-辛烯共聚物质量份数比为100/15/10时,两种复合材料的悬臂梁缺口冲击强度均达到最大值,增韧效果最佳,弯曲强度和模量也有一定程度的提高,复合材料表现出良好的综合力学性能.
Abstract:
The waste polypropylene modified by calcium carbonate and ethylene-octene was studied by blending technology. The two new copolymers polypropylene/calcium carbonate and polypropylene/calcium carbonate/ethylene-octene were synthesized. The results show that both additives calcium carbonate and ethylene-octene copolymer are good toughening agents for waste polypropylene, and PP-g-MAH is an effective interface modifier for improving the decentralized state of calcium carbonate in the continuous polypropylene phase. However, tensile strength of the composites and the MFR property of the blending system decrease with adding ethylene-octene compolymer. The cantilever impact strength of the synthesized copolymers reaches the maximum values as the mass radio of polypropylene/calcium carbonate/ethylene-octene is 100/15/10, and on this condition, the copolymers’ comprehensive properties, such as the toughening effect, flexural strength and modulus, become better.

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备注/Memo

备注/Memo:
收稿日期:2015-01-23作者简介:袁 军(1968-),男,湖北洪湖人,教授,博士,硕士研究生导师.研究方向:功能高分子材料的合成及应用.
更新日期/Last Update: 2015-04-24