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1、香精微胶囊整理纺织品中香精缓释效果检测方法研究50%-60%;自然放置平衡16周时其香精剩余含量均为45%-55%。在加热平衡条件下,采用快速平衡顶空气相色谱法测得九种香精微胶囊纺织品在(50±5)℃条件下加热2min,其香精剩余含量大于50%,相当于在自然平衡条件下可以放置至少12周。对比三种方法检测结果,快速平衡顶空气相色谱法具有检测时间短,干扰因素少等优点,可以达到快速检测香精微胶囊纺织品缓释效果的目的。关键词:香精微胶囊纺织品缓释效果检测快速平衡顶空气相色谱法香精微胶囊整理纺织品中香精缓释效果检测方法研究STUDYONTHEDETECTION
2、METHODOFSLOW-RELEASEEFFECTOFTEXTILESFINISHEDWITHFRAGRANCEMICROCAPSULEAbstractThetextilesfinishedwithfragrancemicrocapsulesnotonlyhasapleasantaromaandflavor,makepeoplefeelgood,curedisease,butalsothescentcanlastalongtime.Atpresent,thedetectionofslow-releaseeffectofthefragrancemic
3、rocapsulesfabricismainlysustainedrelease,imitatethefragrancemicrocapsulestextilesundernaturalconditionsandgenerallyneedbepretreatedusingSoxhletextractionmethod.Theextractionprocessneedlongtime,andmakedetectprocessslowly,whicheasilyleadtoflavorsloss.Itisdifficulttomeetthedemandf
4、orrapiddetectionoflargenumbersofsamples.Tosolvetheseproblems,anefficientandaccuratemethodfordetectingsustainedreleaseeffectoftextilefinishedwithflavormicrocapsuleswasestablished.Firstly,themainvolatilefragrancecomponentsofthreecommonflavors,includingrosefragrance,lavenderfragra
5、nceandlemonfragrance,wereanalyzedbyusinggaschromatography-massspectrometry.Thentherosefragrancemicrocapsules,lavenderfragrancemicrocapsules,lemonflavormicrocapsuleswhichwerefinishedoncotton,linenandwoolfabric,respectively,andformed9samples.Finally,thesustainedeffectsofthefragra
6、ncemicrocapsulesfabricsweremeasuredbyconventionalheadspacegaschromatography,UVspectrophotometerandrapidequilibriumheadspacegaschromatography,separately.Theresultsshowedthatthemainlyvolatilesubstancesofroseoil,lavenderessentialoilandlemonoilareD-citronellol,linalooland(-)–limone
7、ne,respectively.Undernaturalequilibriumconditions,ninesamplesweremeasuredbyconventionalheadspacechromatographyandUVspectrophotometry.Theresultsshowedthattheflavorremainswere50%-60%and45%-50%respectivelyafterbalancing12weeksand16weeksundernaturalconditions.Ontheotherhand,theflav
8、orremainsofall9samplesweremorethan50%afterheated2minat