PLA纺粘非织造材料的制备和表征

纺织学报 ›› 2012, Vol. 33 ›› Issue (8): 35-39.

PLA纺粘非织造材料的制备和表征

常过^1,2,邓炳耀^1,2,刘庆生^1,2,沈璐^1,2,张越^1,2

1. 江南大学非织造技术中心
2. 生态纺织教育部重点实验室（江南大学）

收稿日期:2011-07-28 修回日期:2011-12-21 出版日期:2012-08-15 发布日期:2012-08-08
通讯作者: 邓炳耀 E-mail:bydeng168@163.com
基金资助:
青年自主科研基金；生态纺织教育部重点实验室开放基金资助项目

Preparation and characterization of PLA spunbonded nonwoven material

CHANG Guo^1,2, DENG Bing-Yao^1,2, LIU Qing-Sheng^1,2, SHEN Lu^1,2, ZHANG Yue^1,2

1. Laboratory of Nonwoven Techonolgy, Jiangnan University
2. Key Laboratory of Eco-Textiles (Jiangnan University), Ministry of Education

Received:2011-07-28 Revised:2011-12-21 Online:2012-08-15 Published:2012-08-08
Contact: DENG Bing-Yao E-mail:bydeng168@163.com

摘要/Abstract

摘要： 摘要本文主要研究了聚乳酸(PLA)切片的热学性能，同时成功制备了PLA纺粘非织造材料，并分析了牵伸工艺对样品力学性能和过滤效率的影响，为实验制备和工业生产提供参考依据。通过差示扫描量热分析确定了切片的熔点，热重分析确定了切片的起始分解温度和最大分解温度。材料性能测试结果表明：PLA纺粘非织造材料面密度较为均匀；随着牵伸的增大，材料中纤维细度增加，材料的断裂强力和顶破强力也逐渐增加，而断裂伸长略有下降；材料的平均孔径和孔隙率逐渐减小，过滤效率提高。

关键词: 聚乳酸 , 纺粘 , 非织造材料 , 性能 , 表征

Abstract: Abstract The thermal properties of PLA pellets were mainly studied. At the same time, the PLA spunbonded materials were prepared successfully. The influences of drawing on its mechanical properties and filtration efficiency were analyzed to provide the reference for experiment preparation and industrial production. The melting point of pellets was determined by differential scanning calorimetry (DSC). The initial decomposing temperature and maximum decomposing temperature of it were indicated by thermal gravimetry (TG). The results of materials properties testing showed that the area density of PLA sponbunded materials was relatively uniform. With the increasing of drawing, the fiber fineness was increased, both he breaking strength and bursting strength were also increased, while the breaking elongation was a little decreased. And the mean pore and porosity of materials were decreased, so the filter efficiency was improved.

Key words: polylactic acid , spunbonded , non-woven material , property , characterization

中图分类号:

TS174.5

常过, 邓炳耀, 刘庆生, 沈璐, 张越. PLA纺粘非织造材料的制备和表征[J]. 纺织学报, 2012, 33(8): 35-39.

CHANG Guo, DENG Bing-Yao, LIU Qing-Sheng, SHEN Lu, ZHANG Yue. Preparation and characterization of PLA spunbonded nonwoven material[J]. JOURNAL OF TEXTILE RESEARCH, 2012, 33(8): 35-39.

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