環(huán)氧玉米油丙二醇單酯的合成與性能研究

1、天津大學(xué)碩士學(xué)位論文環(huán)氧玉米油丙二醇單酯的合成與性能研究姓名：馬鋒申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：化學(xué)工藝指導(dǎo)教師：王亞權(quán)20070601ABSTRACTVolatileorganiccompounds(vOCs)areoneofthebiggestproblemsfacingthecoatingsandpaintindustryParticularlyinwaterbornecoatings，oneofthebiggestsourcesofV

2、OCsemissionsisthefilmformingassistantTherefore，developmentofVOC—freelatexpaintcoalescingagentshavebeenpaidagreatattentionInthiswokthepreparationofcoinmethylesters，synthesisandepoxidationofpropyleneglycolmonoestersofcorno

3、ilfattyacidsandtheproperties豁alatexpaintcoalescingagentwerestudiedCornmethylesterswerepreparedfirstlywithcorlloilandmethanol鶴rawmaterialsandsodiumhydroxide舔acatalystTheinfluencesofthemolarratiosoftherawmaterials，reaction

4、time，catalystamountandreactiontemperatureontheyieldoftheproductswerestudiedTheexperimentalresultsshowedthattheyieldofthecornmethylesterscouldreach956％whenthereactiontemperaturewas60oC，thereactiontimeWaSlhthemolarratioofm

5、ethanoltocornoilWaS6：1，andtheamountofcatalystWaS10wt％ofthecoinoilPropyleneglycolmonoestersoftheCOinoilfattyacidsweresynthesizedbytransesterifyingCOinmethylestersobtainedfromthefirststepwith1，2propanediolinthepresenceofzi

6、ncacetateStructureoftheproductwascharacterizedwithmandMSTheeffectsofthereactiontemperature，reactiontime，molarratiosoftherawmaterialsandthecatalystamountonthereactionwerestudiedTheexperimentalresultsshowedthattheyieldofpr

7、opyleneglycolmonoestersofCOinoilfattyacidscouldreach975％whenthereactiontemperatureWaswithintherangeof180oC190oC，thereactiontimeWaslhthemolarratioof1，2propanedioltoCOinmethylestersWas3：1andtheamountofcatalystWaSO20wt％ofth

8、ecornmethylestersTheepoxidationofthepropyleneglycolmonoestersoftheCOinoilfattyacidswasinvestigatedThedensityviscosityandiodinevalueofthesynthesizedproductsweremeasuredandthefilmformingpropertieswerestudiedTheresultsshowe