纳米纤维制备工艺进展及其对壳聚糖的适用性分析_英文_.docVIP

P,OG,ESSCHEMIST,YINDOI:10.7536/PC140636

NanofiberFabricationTechniquesandItsApplicabilitytoChitosan

1，22*WangYihanWakisakaMinato

(1,SchoolofFoodScienceandEngineering，YangzhouUniversity，Yangzhou225127，China;2,GraduateSoofLfSSy，yofTogy，，)choliecienceandstemsEngineeringKushuInstituteechnolKitakyushu8080196Japan

AbstractChitosanisabiodegradableandbiocompatiblepolymerwithuniquepropertiesderivedfrommarineources，itisexpectedasimportantrawmaterialfornanofiberswithwiderangeofapplications,Chitosanandres

compositenanofibershavebeenfabricatedbytraditionalspinningprocessessuchlikewetspinningorits

ospinning，buttheseprocessesarecomplex，usingharmfulsolventorhighvoltagewithlowersafety,Inelectr

ofmoresimpleandsafenanofiberfabricationmethodapplicabletochitosan，sixkindsofnovelnanofibersearch

fabricationmethodsarereviewed，thesemethodsaredividedintotwomajorcategoriesof“small,large”approachand“large,small”approach,“Small,large”approachincludesvarietyofspinningprocesses(such

rotaryjetspinning，handspinningandsolutionblowing)andtwofreezecastingprocesses(simplefreeze--as

dryingandjet-rapidfreezing)，whilestarburstsystemasanexampleof“large,small”approach,Both

anddisadvantagesofeachmethodarecomparedfromtheviewpointoffiberdiameter，fiberadvantages

orientationandtheapplicabilitytochitosan,Anewinnovativeideaofcombiningultrasonicatomizationandfreezecastingprocessforchitosannanofibersisalsoprovidedinthisreview,Ultrasonicatomizationcombinedwithfreezecastingmethodissimpleandavoidsusageofvolatilesolvents,Chitosannanofibersobtainedbythis

vativemethodcouldbeapplicabletobiomedicalengineeringandfoodengineeringduetobothchitosansinno

andthesafetyoffabricationprocess,characteristics

Keywordschitosannanofibers;spinning;freezecasting;emulsioncollision