低取代度羧甲基淀粉的水相合成及上漿性能的研究.pdf

1、江南大學碩士學位論文低取代度羧甲基淀粉的水相合成及上漿性能的研究姓名：張呂香申請學位級別：碩士專業(yè)：紡織工程指導教師：祝志峰20080701AbstractAbstractAseriesoflowsubstitutedcarboxymethylstarchwerepreparedinaqueousphasebyusingCICH2COOHasalletherifyingagentforenhancingstarchsizingprope

2、rtiesandexpandingitsapplication111eeffectsofsinglefactorvariationsuchasthemolarratioofNaOHtoCICH2COOH，reactiontemperature，reactiontime，starchconcentrationandthefeedratioofetherifyingagenttocornstarchonthecarboxymethy’liz

3、ationwerediscussed，andthestructureoftheobtainedcarboxymethylstarchwascharacterizedbyIRTheexperimentalrusultsdemonstratedthattheetherificatione叛ciencywascloselyrelatedtothereactionconditionsThereactionefficiencyinitiallyi

4、ncreasedandthendecreasedastheconcentrationsofNaOHandstarchincreased。Itincreasedwhenreactiontimeprolongedintheinitial12kandbasicallytendedtoequilibriumafter12h；whileitdecreasedgraduallywiththeincreasingreactiontemperature

5、andthedecreasingfeedratioofC1CH2COOHtocornstarchTheexperimentalrusultstestifiedthatthelowsubstitutedcarboxymethylstarchcouldbeobtainedinthefollo、撕ngparameters：themolarratioofNaoHtoC1CH2COOHwas25：1，reactiontemperaturewas5

6、0℃reactiontimeWasl2。andstarchconcentrationwas30％Withsizeviscosityadhesion，filmbehaviorandsizingquali西asevaluationindexes，therelationshipbetweenthemodificationextentandtheadhesiontofibersWassurveyedTheinfluencesofthemodif

7、icationextentonthepropertiesofthesizeviscosityadhesion，filmandsizingqualitywerealsoinvestigatedTheresultsshowedthatthestarchcarboxymethylationcouldimprovetheadhesiontocottonandpolyester／cottonfibersofcornstarch。Theadhesi

8、ontocottonandpolyester／cottonenhanced，whiletheadesiontopolyesterdecreasedgraduallyThebreakingstrengthandabrasionresistanceofthefilmdecreasedslightlyastheDSincreases。Theresultofsizingqualitytestifiedthatthelowsubstitutedc

9、arboxymethylstarchcouldbeusedasmainsize，anditcouldbefurtherincreasedinblendedsizerecipeteplacemorePVAforsizingcottonwarpyamsThequeoussynthesiswasadvantageousteducethecostofCMSproductionKeywords：carboxymethylstarch；aqueou