二聚脂肪酸二異氰酸酯的合成、改性及在織物整理中的應用.pdf

1、蘇州大學碩士學位論文二聚脂肪酸二異氰酸酯的合成、改性及在織物整理中的應用姓名：茅沈杰申請學位級別：碩士專業(yè)：紡織化學與染整工程指導教師：李戰(zhàn)雄201105Abst。rac—t————————Sy—nthesis—m——o—di—fi—c—atio—no—fdimerac—iddiisocyanate——anditsapplica——t——io—n—o——nfabricfinishing一●●●●一●^■●●●●Synthesismodi

2、ticationotdlmeraciddiisocyanateandit’SapplicationonfabricfinishingAbstractDimerfattyaciddiisocyanate(DDI)haslowtoxicitylowvaporpressureandinsensitivetowaterWhenusedasthematerialofpolyurethanecoatingsandtextileauxiliaries

3、，itCansupplythegoodweatherresistance，abrasionresistanceandagingresistantpropertyInthisdissertation，usingdimericfattyacid，sodiumazide，triphenylphosphineandNchlorosuccinimideasrawmaterial，DDIWassynthesizedviastaudingerrear

4、rangementreactionThe鰳mc眥ofDDIWasconfirmedbyFTIR，1HNMRandMSThepurityoftheproductWasidentifiedbyisocyanatevaluetesttobemorethen115DDlwereterminatedwithoximecompoundsandthereactionWasmonitoredbyFTIRTheterminatedDDIWasemulsi

5、fiedandappliedoncottonfabricfinishingTheapplicationresultsshowedthatthefinishingagentCan撕ordgoodwaterrepellency而mthelevelofwaterrepellentreachedlevel3，thesurfacecontactanglereached111oand1131orespectivelyandsoftnessgrade

6、reachedlevel2Thewaterrepellencyoffabricsremainedunchangedaftertentimesofwashing，whichindicatedthefinishedfabrichadgoodwashingfastnessUsingaminosilanecouplingagentasmodificationreagent，DDlwasmodifiedThestructureofproducts

7、WasconfirmedbyFTIRTheaminosilanemodifiedDDlwereappliedoncottonfabricfinishingandthecomprehensiveperformanceweredeterminedthroughapplicationexperimentalTheresultsshowedthatthefinishedfabricshavegoodwaterrepellencythelevel