中国塑料 ›› 2022, Vol. 36 ›› Issue (4): 35-42.DOI: 10.19491/j.issn.1001-9278.2022.04.007

• 材料与性能 • 上一篇    下一篇

基于二元接枝单体制备PE⁃HD相容剂、粘接树脂及其性能研究

刘光远1, 翟前超1, 王丰武2, 汪义辉2, 郑德宝2, 陈祥迎1(), 张忠洁3()   

  1. 1.合肥工业大学化学与化工学院,合肥 230009
    2.黄山贝诺科技有限公司,安徽 黄山 245999
    3.安徽大学材料科学与工程学院,合肥 230601
  • 收稿日期:2021-12-30 出版日期:2022-04-26 发布日期:2022-04-24
  • 通讯作者: 陈祥迎(1976-),男,教授,研究方向为聚烯烃相容剂与粘接树脂,chenxy@hfut.edu.cn
    张忠洁(1981-),博士,副教授,研究方向为高分子材料加工与成型,zhangzj06@ahu.edu.cn
    E-mail:chenxy@hfut.edu.cn;zhangzj06@ahu.edu.cn;chenxy@hfut.edu.cn
  • 作者简介:刘光远(1994-),男,硕士研究生,研究方向为聚烯烃粘接树脂,865940957@qq.com

Preparation and performance of PE⁃HD compatibilizer and adhesive resin through binary monomer grafting

LIU Guangyuan1, ZHAI Qianchao1, WANG Fengwu2, WANG Yihui2, ZHENG Debao2, CHEN Xiangying1(), ZHANG Zhongjie3()   

  1. 1.School of Chemistry and Chemical Engineering,Hefei University of Technology,Hefei 230009,China
    2.Huangshan Banner Technology Co,Ltd,Huangshan 245999,China
    3.School of Materials Science and Engineering,Anhui University,Hefei 230601,China
  • Received:2021-12-30 Online:2022-04-26 Published:2022-04-24
  • Contact: CHEN Xiangying, ZHANG Zhongjie E-mail:chenxy@hfut.edu.cn;zhangzj06@ahu.edu.cn;chenxy@hfut.edu.cn

摘要:

以双螺杆挤出机熔融挤出为接枝方法,高密度聚乙烯(PE?HD)作为接枝主链,无味过氧化二异丙苯(BIBP)为引发剂,将马来酸二丁酯(DBM)和马来酸酐(MAH)两个极性单体进行复配接枝到PE?HD上,制备含有二元极性单体的相容剂PE?HD?g?(DBM?co?MAH);再将其与PE?HD、线形低密度聚乙烯(PE?LLD)和乙烯?醋酸乙烯酯(EVA)基体树脂共混挤出制备钢丝管用粘接树脂。研究单体的配比和引发剂浓度对相容剂熔体质量流动速率(MFR)和接枝率(GD)的影响;通过调整基体树脂配比以及相容剂的添加量,研究粘接树脂的韧性、强度和粘接力。结果表明,在BIBP的作用下,DBM/MAH可以接枝到PE?HD上;当DBM/MAH的含量为1∶2时,相容剂的接枝率分别为DBM:0.73 %、MAH:0.76 %;当粘接树脂的组分中加入10 %的相容剂后其各项性能较好,满足国标中钢丝管对粘接树脂的要求。

关键词: 二元单体, 相容剂, 接枝率, 粘接树脂

Abstract:

Di?butyl maleate (DBM) and maleic anhydride (MAH) as a polar monomer were grafted onto high?density polyethylene (PE?HD) though melt extrusion with a twin?screw extruder using diisopropylbenzene peroxide (BIBP) as an initiator. The PE?HD?g?(DBM?co?MAH) copolymer containing binary polar monomers was prepared as a compatibilizer, and its chemical structure was characterized using Fourier?transform infrared spectrometry. The effects of the mass ratio of monomers and the initiator concentration on the melt flow rate and grafting rate of the compatibilizer were investigated. An adhesive resin was prepared through melt extrusion of the resultant compatibilizer with PE?HD, linear low?density polyethylene, and poly(ethylene?vinyl acetate) resin, and its toughness, strength, and adhesion of the adhesive resin were evaluated by adjusting the mass ratio of matrix resins and the compatibilizer amount. The results indicated that DBM and MAH could be grafted onto PE?HD with the initiation of BIBP. The grafting rates of compatibilizer were 0.73 wt% for DBM and 0.76 wt% for MAH at a mass ratio of DBM to MAH of 1 to 2. When 10 % compatibilizer was added into the adhesive resin, its properties were optimal and could meet the requirements of the adhesive resin for steel wire pipe according to the national standard.

Key words: binary monomer, compatibilizer, grafting rate, adhesive resin

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