(不同处理对黄麻木质素的去除作用及织物性能的影响#董爱学,范晓燕,钱柿汝,王强,范雪荣,崔莉,王平,袁久刚**510152025303540(江南大学生态纺织教育部重点实验室,江苏无锡214122)摘要:对黄麻纤维的化学成分进行了测定,并研究了漆酶、木聚糖酶、草酸铵单一及联合处理对黄麻纤维中木质素的去除作用及对织物褶皱、力学性能的影响。结果表明,草酸铵、木聚糖酶、漆酶单一处理仅能去除少量的木质素,联合处理可提高木质素的去除效率,以草酸铵、木聚糖酶、漆酶联合处理效果最好。在ATR红外谱图中,草酸铵、木聚糖酶、漆酶联合处理后的黄麻织物较未处理织物在1594cm-1、1506cm-1和1424cm-1处的木质素芳香族特征吸收峰,1731cm-1和1646cm-1处的木质素羰基特征吸收峰及1242cm-1-1031cm-1处的纤维素、半纤维素醚键特征吸收峰均有减弱,说明经草酸铵、木聚糖酶、漆酶联合处理后黄麻纤维表面木质素和半纤维素含量降低。经处理后黄麻织物折皱回复角提高,其中草酸铵、木聚糖酶、漆酶联合处理褶皱回复性最佳。漆酶单独处理后黄麻织物断裂强力和断裂延伸率均提高,联合处理后断裂强力降低,断裂延伸率提高。关键词:黄麻;木质素;漆酶;木聚糖酶;联合:TS129EffectofdifferenttreatmentsonthedelignificationandthepropertiesofjutefabricsDONGAixue,FANXiaoyan,QIANShiru,WANGQiang,FANXuerong,CUILi,WANGPing,YUAN激ugang(KeyLaboratoryofEco-Textiles,MinistryofEducation,激angnanUniversity,激angSuWuXi214122)Abstract:Thechemicalcomponentsofjutefiberwasmeasured.Thentheeffectonthedelignificationandthepropertiesofjutefabricsbythetreatmentsoflaccase,xylanaseandammoniumoxamidewithsingleandcombinedmethodswasstudied.Theresultsshowedthatonlyasmallamountoflignincouldberemovedbythesingletreatmentsofammoniumoxamide,xylanaseandlaccase.Thedelignificationofjutefabricswasincreasedwhentreatedwithcombinedmethodsandthecombinationofammoniumoxamide,xylanaseandlaccasepresentedthebesteffect.Thejutefabricstreatedbythecombinationofammoniumoxamide,xylanaseandlaccasehadsomeweakerpeaksthanthatuntreatedat1594cm-1,1506cm-1,1424cm-1whichpresentedforthearomaticgroupsofligninand1731cm-1,1646cm-1forthecarbonylgroupofligninand1242cm-1-1031cm-1fortheetherbondofcelluloseandhemicellulose.Theseindicatedthatthecontentsofligninandhemicelluloseonthesurfaceofjutefiberstreatedwerereduced.Thewrinklerecoveryangleofthetreatedjutefabricswasenhancedandthecombinedtreatmentofammoniumoxamide,xylanaseandlaccasepresentedthebestfoldresilience.Thebreakingstrengthandbreakingelongationofjutefabricswerebothincreasedwhentreatedwithlaccasealone.Thebreakingstrengthofjutefabricstreatedwithcombinedmethodswasdecreasedwhilebreakingelongationwasenhancedonthecontrary.Keywords:jute;lignin;laccase;xylanase;combination基金项目:国家自然科学基金项目(51173071);江苏省自然科学基金项目(BK2011157);教育部高等学校博士学科点专项科研基金资助项目(20110093110003);江苏省"六大人才高峰"资助项目(2011-XCL-002);新世纪优秀人才计划项目;教育部长江学者和创新团队发展计划(IRT1135);江苏高校优势学科建设工程资助项目(苏政办发2011-137号)作者简介:董爱学,(1988-),男,博士,主要从事纺织生物技术研究。通信联系人:范雪荣,1963-),男,教授,主要从事印染助剂和纺织生物技术的研究。wxfxr@163-1-0引言我国黄麻资源丰富,其产量占世界总产量的20%[1]。黄麻纤维具有吸湿散热性好、抗菌、45505560抗紫外等优点,且易于生物降解,是一种生态环保型材料。黄麻面料因其抗菌性能、挺括和自然的特色深受国内外市场和消费者的青睐。从长远来看,黄麻纺织业将是极具发展潜力的生态纺织产业[2]。但由于黄麻纤维中非纤维素杂质的含量较高,纤维粗硬,弹性低,可纺性差,使得其产品的应用受到了很大限制,目前仅多...