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1、第31卷第1期林产化学与工业Vo.l31No.12011年2月ChemistryandIndustryofForestProductsFeb.2011香蕉粘胶纤维的结构和性能研究1,22*122何俊燕,张劲,李勤奋,连文伟,黄涛(1.中国热带农业科学院环境与植物保护研究所,海南儋州571737;2.中国热带农业科学院农业机械研究所,广东湛江524091)摘要:采用感官评定、SEM、FT-IR、铜氨溶液法、TG、DTG和DSC等分析方法对香蕉粘胶纤维的结构和性能进行表征,并与香蕉原纤维进行比较。结果表明:香蕉粘胶纤维洁白发亮,柔软细HEJun-ya
2、n腻,有一定卷曲,表面光滑,纵向平行排列,有沟槽,截面呈不规则锯齿形;香蕉粘胶纤维具有纤维素的特征基团,1734.-179、1425.75和1511.23cm处吸收峰几乎消失,聚合度为325,在空气中起始热分解温度与香蕉原纤维相近,总放热量约高出975.5J/g,在氮气中起始热分解温度比香蕉原纤维约低28e,总吸热量约高出36.42J/g。香蕉粘胶纤维属于棉型粘胶短纤维,湿强度为0.95cN/dtex,干强度为2.26cN/dtex,纯度较高,热稳定性较好,是一种良好的纺织材料。关键词:香蕉;粘胶纤维;结构;性能中图分类号:TQ351;TS121
3、文献标识码:A文章编号:0253-2417(2011)01-0109-06StructureandPropertiesofBananaViscoseFiber1,22122HEJun-yan,ZHANGJin,LIQin-fen,LIANWen-wei,HUANGTao(1.EnvironmentandPlantProtectionInstitute,ChineseAcademyofTropicalAgriculturalSciences,Danzhou571737,China;2.AgriculturalMachineryInstitute,C
4、hineseAcademyofTropicalAgriculturalSciences,Zhanjiang524091,China)Abstract:Thestructureandpropertiesofbananaviscosefiberwerecharacterizedbysensoryevaluation,SEM,FT-IR,copper-ammoniasolutionmethod,TG,DTGandDSCanalysesincomparisonwithoriginalbananafiber.Theresultsshowedthatbana
5、naviscosefiberwasclean,bright,soft,crimpandsilky.Itarrangedverticallyinparalle.lSomegroovesinthesurfaceandirregularzigzagsincrosssectionwereobserved.Thecharacteristicgroupsofcellulosewithabsorptionbandsat1734.79,1425.75and-11511.23cmalmostdisappeared.Thepolymerizationdegreeof
6、bananaviscosefiberwas325.Theinitialdecompositiontemper-atureofbananaviscosefiberinairwassimilartobananafiberandtotalheat-releasewasabout975.5J/ghigherthanthelater.Theinitialdecompositiontemperatureofbananaviscosefiberinnitrogenwas28elowerthanoriginalbananafiberandtotalheat-ab
7、sorptionwas36.42J/ghigherthanbananafiber.Bananaviscosefiberbelongstocotton-typeviscosestaplefiber.Thewetanddrybreakingtenacitiesofbananaviscosefiberwere0.95and2.26cN/dtexrespectively.Thepurityandthermalstabilitywerehigh.Itisagoodkindoftextilemateria.lKeywords:banana;viscosefi
8、ber;structure;property香蕉(Musaparadisiaca)属芭蕉科芭蕉属单子叶草本植物,又指其果实,是/南国四大
