革用水性聚氨酯的合成与其应用.研究

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1、山东人学硕十学位论文strengthupto100N·cm～．Fromthestmctureofpolyurethane，thepreparationprocess，physicalpropertiesofaqueouspolyurethaneemulsionsandderivedfilms，alongwithsometechnologiestoimproveitspropertieswerereviewed．Theaqueouspolyurethaneemulsionswerepreparedbyinternalemulsifier．Thekindsofemulsifieran

2、dtheemulsificationmechanismwerediscussed．Thecharacteristicsofpropertiesofhydroxy--crosslinkingacrylateemulsioncopolymerwasmadebywayofcentrifugalstability,elecctrolyte--resistencestability,water--resistencestability,IRandDSC．Theresultsshowedthatthewater--resistencestabilityoflatexfilmandtheero

3、sslinkingdegreeofcopolymercallbeobviouslyupgradedthroughcore--shelltechnologydistributingthelivingmonomerontothesurfaceoftheemulsionparticle．Theresearchersfirstpreparedsuperioraqueouspolyurethaneemulsionwimcore--shellconstructionasseedemulsionwhichfurtherreactedwithacrylateandsilicone，obtaine

4、dpolymerizedemulsionwithnosoap，itWasappliedtocoatthefabricforexperimentandpropertiesofthecoatedfabricwerefairlynice．Finallythepaperdescribedthedevelopmentroute，appliedmethodandsynthetictechniqueofcationicpolyurethaneleathercoatingagentinhomeandabroad．Crosslinkingcationicpolyurethaneemulsionsw

5、eresynthesizedfrompoly(propaneoxide)glyol(N210，N330)，TDI，N—仰ethyldiethanolamine(MDEA)byacetonesolutionprocess，TheeffectofN330／N210molarratioonemulsionpaniclesize，viscosityandthes缸uctIlrepropertiesofPUfilmsWasstudied．Awater--basedcationicpolyurethaneemulsionWasprepared．ThisemulsionWasmainlycom

6、posedofpolyesterglycol，trimethylolpropane，toluenedissocyanate(TDI)andN—methyl--diethaneolamine．Theinfluencesofthereactiontemperature，contentofeachagentandstirringspeedonthemechanicalpropertiesofthewater--basedpolyurethanewereinvestigated，givingitsoptimumcomposition．Thepolyurethaneemulsionwith

7、goodperformancewasprepared．Andmechanicalpropertiesoftheproductareverygood．山东人学硕士学位论文Keywords：waterbornepolyurethane；resintanningagent；water--basedfinishingagent；adhesiveforshoemaking；cationicpolyurethaneV原创性声明本人郑重声明：所呈交的学位论文，是本人在导师的指导下，独立进行研究