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湿处理条件下聚乳酸纤维的强度损伤特性
引用本文:胡玉群,徐秀娟,韩建,周文龙.湿处理条件下聚乳酸纤维的强度损伤特性[J].纺织学报,2006,27(3):63-66.
作者姓名:胡玉群  徐秀娟  韩建  周文龙
作者单位:浙江理工大学先进纺织材料与制备教育部重点实验室 浙江杭州310018
摘    要:研究了温度为30~90℃、pH值在3.85~11.8的条件下聚乳酸(PLA)纤维的强度损伤特性。结果表明,微酸性虽然是对PLA纤维强度损伤较小的条件,但随着处理时间的延长和处理温度的升高,同样会对PLA纤维产生非常明显的强度损伤。在碱性条件下,随着pH值的升高、温度的增加和处理时间的延长,PLA纤维的强度损伤都将明显增加。

关 键 词:聚乳酸纤维  强度损失  pH值  处理温度  处理时间
文章编号:0253-9721(2006)03-0063-04
收稿时间:2005-08-16
修稿时间:2005-08-162005-12-09

Behavior of strength loss of PLA fiber during wet processing
HU Yu-qun,XU Xiu-juan,HAN Jian,ZHOU Wen-long.Behavior of strength loss of PLA fiber during wet processing[J].Journal of Textile Research,2006,27(3):63-66.
Authors:HU Yu-qun  XU Xiu-juan  HAN Jian  ZHOU Wen-long
Affiliation:Key Laboratory of Advanced Textile Materials and Manufacturing Technology;Ministry of Education;Zhejiang Sci-Tech University;Hangzhou;Zhejiang 310018;China
Abstract:The behavior of strength loss of PLA fiber treated in the temperature of 30~90℃ and pH value of 3.85~11.8 was studied.The investigations show that,although the weak acidic condition of the liquor confer the relatively less damage to the PLA fiber,the significant damage still happened if treatment time was long enough.In the alkaline condition,with the increasing of pH value,temperature and time of treatment,the significantly increased strength loss of fiber will be present.
Keywords:polylactic acid(PLA) fiber  strength loss  pH value  treatment temperature  treatment time
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