A facile evaluation on melt crystallization kinetics and thermal properties of low-density polyethylene (LDPE)/Recycled polyethylene terephthalate (RPET) blends

被引：21
|
作者：
Wang D. [1 ]
Yang B. [1 ]
Chen Q.-T. [1 ]
Chen J. [1 ]
Su L.-F. [1 ]
Chen P. [1 ]
Zheng Z.-Z. [1 ]
Miao J.-B. [1 ]
Qian J.-S. [1 ]
Xia R. [1 ]
Shi Y. [2 ]
机构：
[1] College of Chemistry & Chemical Engineering, Institute of High Performance Rubber Materials & Products, Key Laboratory of Environment-Friendly Polymeric Materials of Anhui Province, Anhui University, Hefei
[2] College of Polymer Science & Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, Sichuan
来源：
Advanced Industrial and Engineering Polymer Research | 2019年 / 2卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Crystallization kinetics; Low-density polyethylene (LDPE); Melt blending; Recycled polyethylene terephthalate (RPET); Thermal conductivity;
D O I：
10.1016/j.aiepr.2019.05.002
中图分类号：
学科分类号：
摘要：
In this study, we prepare series of low-density polyethylene (LDPE)/recycled polyethylene terephthalate (RPET) blends using melt extrusion. The effects of RPET content on the crystallization behavior and thermal conductive properties of the resultant blends were investigated using DSC, XRD, DMTA, TGA, etc. RPET was found to exert nucleating effect on the melt crystallization of LDPE without changing LDPE's crystal form. A four-parameter model (FPM) was adopted coupled with an in-situ temperature measurement to further disclose the solidification kinetics of LDPE in the presence of RPET. Among three thermal conduction models, the Agari model presented a reasonable prediction of thermal conductivity as a function of LDPE loading. A coefficient of cooling rate (CCR) is proposed and can be applicable as an indicator for thermal conductivity (λ) of the polymer blends. © 2019 Kingfa SCI. & TECH. CO., LTD.
引用
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页码：126 / 135
页数：9
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