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ID:39120443
大小:3.35 MB
页数:61页
时间:2019-06-25
《反应型阻燃剂的合成与真丝上的应用》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、浙江理工大学硕士学位论文反应型阻燃剂的合成及真丝上的应用AbstractSilkisallkindofelegantanddecorativefabric.However,duetoitscombustibility,flameretardantfinishingisverynecessarytomeetthehigh-endmarket[]demandfordecorativesecurity.Currently,afterflameretardantfinishing,it’Softendifficulttobalancethecontrad
2、ictionbetweenhandle—feelingoffinishedfabricanditswashability.Inresponsetotheseproblems,wesynthesizedtwotypesofreactiveflameretardantwhichcouldbegraftedwithsilkfabric;then,thechemicalbondingreactionbetweentheflameretardantandsilkfiberswasverified;atlast,thephysicalanddyeingpro
3、pertiesofthefinishedsilkfabricwereinvestigated.Therearetwokindsofsyntheticproduct.Oneischloro—S—triazinephosphorusflameretardantsK—P1.Cyanuricchlorideanddiethyl0aydroxymethyl)phosphonatewerechosedaslawmaterialsandanhydrouspotassiumcarbonateasacid—bindingagent.Inthissynthesisr
4、eaction,diethyl(hydroxymethyl)phosphonatewascontinuousfeedingandreactiontemperaturewascontrolledstepbystep.Theotheroneisvinylphosphateesterflameretardants:Bytwosteps,phosphorusoxychloridehadcondensationreactionswithhydroxyethylacrylateandmethanol(orethan01)separatelywithtriet
5、hylamineasacid-bindingagent.ThenhydrophilicflameretardantP2andhydrophobicP3wereobtained.Furthermore,IRspectroscopyandNuclearMagneticResonancespectroscopywereusedtoconfu'methatthetwotypesofflameretardantshadthetargetchemicalstructure.Bywayofpaddingmethod,silkfabricwastreatedwi
6、thchloro—s—triazinephosphorusflameretardant.Thebond—formingreactionbetweenK—P1andsilkfabricwasverifiedbyIRspectroscopy;thelimitingoxygenindex(LOI)offinishedsilkcouldbeimproved.toamaximumof29%withincreasingconcentrationofK—P1andsilkfabrichadflameresistance.’TheLOIvalueoffinish
7、edfabricwoulddroptoaround26%after30and50timeswashingrespectively.Inthispaper,researchfocusedonthegraftco-polymerizationofvinylphosphatewithsilk;flameretardant[]structurewasdemonstrated;flameretardantdosage,initiatorconcentration,pH,andreactiontemperatureandotherprocessfactors
8、werediscussed;aftersilkwasgraftedwithflameretardant,therelationshipb
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