核殼結(jié)構(gòu)多臂星狀聚合物的制備及其客體包裹能力的研究.pdf

1、天津大學(xué)碩士學(xué)位論文核殼結(jié)構(gòu)多臂星狀聚合物的制備及其客體包裹能力的研究姓名：王勛申請學(xué)位級別：碩士專業(yè)：應(yīng)用化學(xué)指導(dǎo)教師：陳宇20070601ABSTRACTComparedwithtraditionallinerpolymers，hyperbrancedpolymershavemanypeculiarpropertiesFornowadays，ithasattractedmuchofinterestfortheapplications

2、ofhyperbrancedpolymersinmedicalmaterials，nonlineropticalmaterials，solidhydroniumsurfactant，supramolrcularchemistryandnano—materialsEspeciallysincethemicellenatureofamphiphilicstarmulti—armpolymers，ithaslargepotentialtobe

3、usedingenetherapydrugdeliveryandpreparationofnanostructurematerialsBecausethepolymermicelleisselfassembledbytheamphiphilicstarmultialTllpolymers，itsstructureisunstableHoweverthesynthesizeofdendriticmolecularsiscomplex，ti

4、me—consumingandwithhi【ghcostofrawmaterialsInthisessaytheHPEI1OKandecaprolactone(CL)areusedasthemainmaterialsviaringopenpolymerizationtogetamphiphilicstarmultiarmpolymers，fromwhichmolecularmicelleismadeItiseasytOoperatean

5、dtogetrawmaterialsTheresearchofthisessayismainlyfocusedontheinfluenceofthereactiontemperatureandratiooflaWmaterialsonthesynthesizeandproductions，themodificationofendgroupsoftheproductions，aswellascomparisonofdifferentani

6、onicdyesphasetransferthatensurethecapacityofencapsulationoftheproductionsIntheexperiment，itWasconcludedthattheresultofpolymerizationachievedthebestunderthetemperatureof130“CAsforHPEIIOKwhentheratioofCLtoamidogenis40：1，th

7、eproductivityisatthehighestlevelIntheexperimentofphasetransfertheconclusionisdrawnthatthecapacityofencapsulationofpolymersisdefinitelyincreasedafterthemodificationHoweverwiththeconsiderationofthehugelossoftheexperiment，i

8、ntheindustrialapplicationitismucheconomicaltochoosethestarpolymersdirectlycomposed；yetinthemedicalapplicationthemodifiedstarpolymersshouldbeusedKEYWORDS：encapsulationhyperbranchedinvertedmicelle，polyethylenimine，starpoly