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1、ThePreparationofFragranceandHealth-CareMicrocapsuleAgentandItsApplicationonFabricsJoumalofDonghuaUniversity(Eng.Ed.)Vo1.24.No.3(2007)337ThePreparationofFragranceandHealth—CareMicrocapsuleAgentandItsApplicationonFabricsWANGJun-hua(:F俊华),CAIZai?sheng(蔡再生)CollegeofChem
2、icalandCkemistryEngineering,DonghuaUniversity,Shanghai201620,ChinaAbstract:Thetechnologyofmicrneapsulewasemployedinthispapertopreparefragrantmicrneapsuleagent,inwhichthecoremateria1waslavenderoiI.andthewalImateriaIpolyurethanewasformedfromareactionwith2,4一tolylenedi
3、isacyanate(TDI)andpoly(ethyleneglyco1)(PEG)byinterfacialpolymerizationmethod.Throughsinglefactorandorthngonalexperiments,theoptimumtechnologyconditionshavebeengotasfollows:themolecularweightofPEG400,core/wallration1;2,dispersersodiumalgiaate(SA)0.15%,emulsitierPoly(
4、vinylalcohoI)(PVA)1%,emulsifyingspeed9500r/min,emulsifyingtime5minandreactiontime2h.111emicrocapsulefragrantagent,preparedimdertheoptimumconditions,wasappliedonthefabricsandakindofgoodcontrol-releasedfragrantfabricwithhealth-carefunctionwasobtained.Keywords:microcap
5、sule;polyurethane;lavenderoil;health-care;fragrantlyricsCLcnumber:TQ340.658Documentcode:AArticleID:1672—522O(2OO7)O3—0337—04Somekindsofoils.extractedfromfragrantnaturaIvegetables,notonlyhavefragrantodor,butalsoownhealth-carefunctions,suchaskillingbacteria,diminishin
6、ginflammationandrefreshment,etc,whichmakethemhavebeenappreciatingbypeoplefromancienttimesL.Thefragrantfabricscansatisfypeople'sneeds:comfort,fashionandhealthiness,sotheyhavebeenbeingpeople'spursuitforallalong.Inordertoobtainfragrantfabrics,ancientpeopleputfabricswit
7、hfragrantsubstancestogethertOletvolatilizedfragrancefilterintotheporesoffibers.Othermethodssuchasimmersingfabricsintoperfumedirectly,orcoatingfabricswithbondingagentswereemployed~.Butthesemethodshadacommonshortage—thefragrantodorWash'tdurable,andtheperfumedisappeare
8、d,especiallyafterwashing.Needsforlong-termdurabilityoffunctionalfibersbroughtabouttheintroductionofmicroencapsulationtechnique[.Microcapsu
