:1002-1124(2002)06-0003-02 淀粉改性阳离子型絮凝剂的合成*蔡清海 张光林( 150080) :(CAN-APS),,,:CAN-APS1.2mol/L;(AM)(St)2∶1();50℃;3h。:∶∶1∶1∶3();50℃;2h。:;;;:TQ314.253 :ASynthesisofStarch-ModifiedCationicFlocculantCAIQing-hai ZHANGGuang-lin(HarbinNormalUniversity Harbin 150080) Abstract:Thereactionconditionsofsynthesisofstarch-modifiedcationicflocculantwasstudied,usingthecericammoniumnitrateandperoxydisufatenitrate(CAN-APS)initiationsystembymeansofcrosstesrinthepaper.There-sultsshowedoptimalconditionsofgraftcopolymerareCAN-APS1.2mol/L,thematerialratioofacrylamide(AM)andstarch(St)2∶1(massratio),temperature50℃andtime3h.Theconditionofcation∶acrylamide∶formaldehyde∶dimethy-lamine1∶1∶3(massratio),temperature50℃,andtime2h.Keywords:Starch;Cationic;Flocculant;Acrylamide:2002-10-15:(1962-),,,,。*,:01142110761 ,,。,、、,。,,。2 2.1 ();();();、、、。500mL;;;N2;KDM-2;;2K-82B。2.2 ,,4,3,L9(34)。,3,3,L9(33)。2.3 2.3.1 ,,500mL300mL,90℃,30min。,N2,,,15min,,,-。2.3.2 ,,50℃,,。1g,,60∶40()-,1~2h,Sum93No.6 化学工程师Chemical Engineer 200212DOI:10.16247/j.cnki.23-1171/tq.2002.06.0023,,。0.5mol/1NaOH,50℃1h,,,,。2.3.3 ,,,,,,,。3 1。1 /℃/mol/LAM/St/g/5g/h/%1501.210 2 54.62401.25 3 42.23601.220 4 47.24401.020 2 23.85601.010 3 42.36501.05 4 43.97601.45 2 40.88501.420 3 49.69401.410 4 40.3K135.436.742.339.7K249.348.045.744.7K343.443.640.243.8R13.911.35.55.0 :R,:、、;K:CAN-APS1.2mol/L;AM/St10g/5g;50℃;3h。:∶∶1∶1∶3();50℃;2h。4 (1):CAN-APS1.2mol/L;(AM)(St)2∶1();50℃;3h。(2):∶∶1∶1∶3();50℃;2h。 [1] ,,..,1999,21(6):30~41[2] ,,..,2001,2(8):13~16[3] ,..,2001,18(3):162~164[4] ,..,1999,21(1):86~88[5] ,..,1999,28(4):201~203[6] ,..,2001,(3):153~156[7] ,.-.,1994,20(6):370~3732003《》 《》,,(:CN37-1212/TQ,:ISSN1008-021X)。,《》,《()》。“”、“”、“”、“”、“”、“”、“”、“”、“”、“”、“”、“”、“”。30,,。16,60/,,,(:24-109)。:10/,60(RMB);。《》,,,(:3700004000029),、、。:80 :250014():(0531)2943342 E-mail:sdhg@chem.com.cn04 蔡清海等:淀粉改性阳离子型絮凝剂的合成* 20026