二甲胺丙烯酰胺阳离子聚丙烯酰胺的合成与表征

－12132311*1．5702282．51717633．571737－。、CPAMCPAMCPAM、。CPAMm∶mm=20∶15∶11、35℃、6h、0．4%、。CPAM。S188A0517－6611201215－08691－03SynthesisandCharacterizationofDimethylamine-AcrylamideCationicPolyacrylamideYUHai-yanetalCollegeofMaterialandChemicalEngineeringHainanUniversityHaikouHainan570228AbstractObjectiveTheresearchaimedtoanalysisthesynthesisandthestructureofcationicpolyacrylamide．MethodCationicpolyac-rylamideissynthesizedbycopolymerizationtechniqueusingformaldehydedimethylamineandacrylamideasrawmaterialN4HSO3-NH2SO3H2Oasinitiator．Theoptimalschemeisdeterminedbyusingorthogonalexperiment．Theoptimalschemeisdeterminedbyusingorthogonalexperiment．ThepolymerwascharacterizedbycationicdegreesandbyrelativemolecularweightandbyinfraredIR．Subsequentlythefloc-culatingeffectonNaturalrubberwastewaterisinvestigated．ResultTheoptimalconditionsofcopolymerizationareasfollowspolymerizationtemperatureis35℃polymerizationtimeis6hacrylamide∶formaldehyde∶dimethylamineis20∶15∶11andmassfractionofN4HSO3-NH2SO3H2Oinitiatoris0．4%．Theflocculatingperformanceismoreexcellentinrubberwastewaterwiththeincreaseofrelativemolecu-larweightandcationicdegreeofpolymer．Thedeterminationofmolecularweightandinfraredspectrafigureshowthatcationicpolyacrylamideissynthesizedbyacrylamideanddimethylamine．ConclusionTheflocculatingperformanceisexcellentinrubberwastewater．KeywordsAcrylamideDimethylamineCationicpolyacrylamideSynthesisCharacterizationYW-FZX09-13N。[e-mail]。*[e-mail]。2012-02-23、3PAM。pH1－34－8。、、、。、、。－、、、。、CPAM、。11．11．1．1。AM20%AR40%AR37%～40%ARARAR。1．1．2。ZNCL、TENSOR27、722N、JY2002、waters1515。1．2－1．2．1CPAM、、、CPAM441。1A∥mlB∥mlC∥hD∥℃12327435228325453333765543842765JournalofAnhuiAgri．Sci．201240158691－8693DOI:10.13989/j.cnki.0517-6611.2012.15.0401．2．2。15min2、2h100ml20%30min。1．2．3。、9N-10。CH2O+NHCH3CH3→NCH3CH3CH2OHCH2CHCONH→2CH2CHCONHCH2NCH3CH3→CH2CHn—CONHCH2NCH3NH31．31．3．1。TENSOR274000～1390cm－1。1．3．2。waters1515。1．3．3。11。0．3gK2CrO455%0．1mol/LAg-NO3。AgNO3ml3。α=CVCV+m－CVM1/M2×100%CAgNO3mol/LVAgNO3mlmgM1M2AM。1．3．4。100ml。22．1－1L1645－。28×104～90×104＞＞＞6．6%～39．3%＞＞＞2ABCDE×104∥%∥g11111166．8633．30．3892122228．3317．30．18831333357．0630．30．34141444413．196．60．24152123488．1939．30．41862214323．6922．30．25772341248．4926．40．29282432140．7325．60．27693134212．889．30．215103243111．4914．30．21211331249．8512．40．195123421352．7829．30．318134142349．8328．50．316144231474．3836．40．392154324149．0327．80．297164413233．7020．40．260D136．3654．5433．5360．6342．03D250．2829．4749．5827．1925．85D321．7541．1146．2647．6145．84D451．7435．1030．7524．7046．40RD29．9924．9718．8335．9320．55M121．8827．6022．1031．3525．25M228．4022．5828．4320．9518．35M316．3324．2325．4026．0827．60M428．2820．4818．9516．5023．68RM12．087．139．4814．859．25K11．1591．3381．1011．3911．174K21．2431．0491．2210．9750．955K30．9401．1251．2241．2311．232K41．2651．0951．0611．0101．246RK0．080．070．040．100．071～16D1～D4、RD、M1～M4、RMK1～K4、RK、、。29682012＞＞＞A4B1C3D1。A4B1C3D1250．4890．398g。－m∶m∶m=20∶15∶11、35℃、6h、0．4%。2．21CPAM、CPAM。CPAMCPAM。1ab2．3－23411cm－1-NH22953cm－11666cm－11548～1390cm－1-CH3、-CH2C-N844cm－1N-H12。C-N、-CH3、-CH2、。2CPAM31、m∶m∶m=20∶15∶11、60℃、6h、0．4%。2。3、。1．J．2002319－11．2．J．200519137－39．3KURENKOVVFSNIGIREVSVCHURIKOVFIetal．Preparationofantionicflocculantbyalkalinehydrolysisofpolyacrylamideinaqueousso-lutionsanditsuseforwatertreatmentpurposeJ．RussianJoumalofAp-pliedChemistry2001743445－448．4HEHZSHELK．TreatmentofwastewaterinchemistrylaboratorythroughflocculentsettlingandconstructedwetlandsJ．MeteorologicalandEnvi-ronmentalResearch20101415－17．5YUBQLVSG．Researchprogressontheapplicationofmagnesiumhy-droxideintheindustrialwastewatertreatmentfiledJ．MeteorologicalandEnvironmentalResearch20101370－74．6．98114326．1P．2000－03－22．7．J．200423423－25．8AHMADALWONGSSTENGTTetal．ImprovementofalumandPAC1coagulationbyplolyacrylamidesforthetreatmentofpulpandpapermillwastewaterJ．ChemicalEngineeringJoumal2007527981－8．9RAZOMTSEVOASHIRSHINKVKAZAKOVSAetal．SynthesisofN-dialkylaminothymethacrylamidesbythemannichreactioninaqueous-solutionJ．ZhpriklKhim1999721143－147．10．J．200520649－52．11．PDMDAACPDMDAA-AMJ．20011811645－649．12．J．2011337－40．39684015－