Effects of polyamide 6 reinforcement on the compatibility of high-density polyethylene/environmental-friendly modified wood fiber composites

被引：5

作者：

Xu, Kaimeng ^{[1
,2
,3
]}

Zheng, Zhifeng ^{[1
,2
]}

Du, Guanben ^{[1
,2
]}

Zhang, Yulu ^{[1
,2
]}

Wang, Zhihui ^{[1
,2
]}

Zhong, Tuhua ^{[4
]}

Xie, Linkun ^{[1
,2
]}

Wang, Siqun ^{[3
]}

机构：

[1] Southwest Forestry Univ, Key Lab Highly Efficient Utilizat Forest Biomass, Natl Forestry & Grassland Adm, Kunming 650224, Yunnan, Peoples R China

[2] Southwest Forestry Univ, Key Lab Forestry Resources Convers & Utilizat Sou, Minist Educ, Kunming 650224, Yunnan, Peoples R China

[3] Univ Tennessee, Inst Agr, Ctr Renewable Carbon, Knoxville, TN 37996 USA

[4] Washington State Univ, Composite Mat & Engn Ctr, Pullman, WA 99164 USA

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2019年 / 136卷 / 38期

基金：

中国国家自然科学基金; 美国食品与农业研究所;

关键词：

compatibility; environmental-friendly modified wood fiber; high-density polyethylene; Polyamide; 6; MECHANICAL-PROPERTIES; THERMAL-PROPERTIES; HEMICELLULOSE EXTRACTION; KEVLAR FIBER; POLYETHYLENE; CELLULOSE; HEMP; NYLON-6; IMPACT; FLOUR;

D O I：

10.1002/app.47984

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

In order to develop excellent comprehensive mechanical strength and stability in high-density polyethylene (HDPE)/wood fiber (WF) composites, polyamide 6 (PA 6), and WF modified by environmental-friendly high temperature vapor (WF-HTV) were utilized to reinforce the compound system. The properties relating to interfacial compatibility in HDPE/WF-HTV composites were characterized and evaluated by electron universal mechanical instrument, water absorption testing, thermogravimetry, scanning electron microscope, Fourier transfer infrared spectroscopy, and differential scanning calorimetry. The results reveal that this novel compounding system can engender a synergistic effect for interfacial interactions among PA 6, HDPE, and WF-HTV only when the ratio of HDPE to PA 6 is at an optimum level (HDPE:PA 6 = 6:4). The maximum values for flexural strength, modulus, tensile strength, and impact strength can be increased by 82.05, 64.08, 93.47, and 120.45%, respectively, compared with those of HDPE/WF-HTV composites. Additionally, maximum decomposition temperatures for the first and second thermal degradation stages can be increased by 7.17and 8.99 degrees C, respectively. Water absorption can be effectively controlled at a relatively low level (approximately 1.50%). (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47984.

引用

页数：8

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