The dyeability of poly(L-lactic acid) nonwoven fabric fabricated by electrospinning，2009先进纤维与聚合物材料国际学术会议（ICAFPM，10.21-10.24，上海）-中国聚合物网,论文下载

The dyeability of poly(L-lactic acid) nonwoven fabric fabricated by electrospinning

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关键词：

electron-spun poly (L-lactic acid) nonwoven fabric dye
technique the dye uptake electron-spinning

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698K

所属学科：

分子表征

来源：

2009先进纤维与聚合物材料国际学术会议（ICAFPM，10.21-10.24，上海）

简介：

Thepoly(L-lacticacid)(PLLA)nonwovenfabricfabricatedbyelectronspinningwasdyedwithhightemperatureandhighpressuremethod.Thedispersedyesolutionsofdyedandundyedwereanalyzedbyspectrophotometer.TheeffectsofpHvalue,temperature,timeanddyeconcentrationonthedyeuptakeofPLLAnonwovenfabricswereresearched.Theresultsshowthatthehighestdyeuptakeofelectron-spunPLLAnonwovensisonly59.26%duetoitshighspecificsurfaceareaandeasetobebondedtogethertightlyathightemperature.Thedyeuptakeofelectron-spunPLLAnonwovensisstronglyaffectedbypHofdyesolution,time,temperatureanddyeconcentration.Thedyeuptakeofelectron-spunPLLAnonwovenfabricincreasedwiththeincreaseofpHvaluewhenthepHvaluewaslowerthan5.0.WhileitdecreasedwiththeincreaseofpHvalueasthepHvaluewashigherthan5.0.Whenthedyeingtimewasshorterthan35min,thedyeuptakeincreasedwithtime,butasthedyeingtimewaslongerthan45min,thedyeuptakedecreasedwithtime.Itreachedthehighestpointwhenthedyeinglastedfor35min.

作者：

YU Qiaozhen

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2010-04-13 16:34:03

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