Enhanced Polarity of Polypropylene-Based Hot-Melt Adhesives Prepared by Reactive Extrusion

被引：0
|
作者：
Li Y. [1 ]
Chen Y. [1 ]
Ren J. [1 ]
Xu L. [1 ]
Zhong G. [1 ]
Li Z. [1 ]
机构：
[1] College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu
来源：
Gaofenzi Cailiao Kexue Yu Gongcheng/Polymeric Materials Science and Engineering | 2021年 / 37卷 / 05期
关键词：
Hot-melt adhesives; Polypropylene; Reactive extrusion;
D O I：
10.16865/j.cnki.1000-7555.2021.0128
中图分类号：
学科分类号：
摘要：
Polypropylene (PP)-based hot-melt adhesives show insufficient adhesive performance when applied in polar substrates. In this work, maleic anhydride (MAH) was introduced on the molecular chains of PP and copolymerized PP by reactive extrusion process and polar PP-based hot-melt adhesives were performed. A variety of substrates were utilized to evaluate the adhesive performance of prepared hot-melt adhesives, and the influence of polarity, surface roughness, and molecular chain structure on the adhesion strength was investigated. The results show that graft of MAH via reactive extrusion can significantly improve the adhesion performance of PP hot-melt adhesives to polar materials, and it is also found that the peel strength of the fabric substrate is stronger than that of the film substrate. The graft yield of MAH on copolymerized PP is higher than that of homopolymerized PP, therefore, copolymerized PP exhibit better adhesive performance. © 2021, Editorial Board of Polymer Materials Science & Engineering. All right reserved.
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页码：1 / 8
页数：7
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