pae湿强型树脂的改性与应用机理分析

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1、ResearchonModificationofPAEWet-strengtheningAgentanditsMechanismofApplicationABSTRACTPAEisthemostimportantwetstrengthagentfortheproductionofwetstrengthenedpaperinneutraloralkalineenvironment．Thesynthesis、modificationandapplicationaboutPAEhasbeenoneoftheresearch．Weanalyzedthedosageofepichlorohydri

2、ninPAEresin’Ssyntheticprocess．Thedosageofepichlorohydrininself-emulsifyingPAEwasdecreasedtobehalfoftraditionalone’s，whichdecreasedresin’SCationicdegree．ThedosageofPAEresininpulpcanincreaseto3％，whichcangreatlyenhancepaper’Swet—strengthcomparativewiththetraditionalPAE．Owningtothedecreaseofepichloro

3、hydrin，theorganochlorineinourproductiseffectivelydecreased．Diethanolaminepartialsubstituteddiethylene．triamineasinitialmaterialsynthesizespolyamide-polyester，andthentreatedwithepichlorohydrin．Theadhibitofesterlinkagedebasedtheviscosityofendproductatthepreconditionofpolymerizationdegree．Thesolidco

4、ntentofPAEmodifiedcanarriveat25％stably．Theadhibitofesterbondbringstheendproductgoodsoftnessandwet-strength，whichenhancedthecomparativeperformanceofpaper．MaleicacidpartialsubstitutedhexanedioicacidasinitialmaterialsynthesizedunsaturatedPAEintermediate．Thisresinhasunsaturatedcarbon-carbondoublebond

5、．Basedonthecharacteristicofdoublebond，wecancarrymroughagreatvarietyofmodificationswiththeresin．whichpaveanewwayonPAE’sresearchanddevelopment．Withthemethodofemulsionpolymerization，wemadetheunsaturatedintermediateresinandacrylatemonomercarrythroughgraftcopolymerization，dealingwithepichlorohydrinthe

6、nweobtainedthePAEresinmodifiedbvACR．Thisemulsioncannotonlysoftenthepaperbutalsowetstrengthenthepapers．Withthemethodofsoap—freepolymerization．wemadetheunsaturatedintermediateresinandacrylamidemonomercarrythroughgraftIlcopolymerizationbyinitiator-(NH4)2S208，dealingwithepichlorohydrin，thenweobtained

7、aPAEresinmodifiedbyPAM．Thishighmolecularpolymercannotonlyenhancethewet—strengthofthepaperbutalsoenhancethedry—strengthofthepapergreatly．Inthewholeexperimentation，wediscussedthekeyfactorsemphaticallybythemeansofsinglefa