PAM的光聚合参数及絮凝效果研究张东杰

29　3()Vol.29　No.320099JournalofAnhuiUniversityofScienceandTechnology(NaturalScience)Sep.2009PAM的光聚合参数及絮凝效果研究张东杰,聂容春,闫　芳(,　　232001)　:研究光引发剂用量、单体含量、引发时间、引发温度等参数对光引发聚合PAM分子量的影响以及添加剂尿素和LAS对PAM分子量和溶解速度的影响,从而确定最佳合成参数。研究表明光引发聚合PAM的最佳合成参数是:光引发剂用量40μL,单体含量为20%,引发时间为1.5h,引发温度为15～19℃;添加剂尿素或LAS含量在6%为最佳。检测结果表明,实验合成的PAM对煤泥水的絮凝沉降效果非常好。:;PAM;;;:TQ326.4　　:A　　:1672-1098(2009)03-0036-04:2009-02-23:(1985-),,,,。StudyonSynthesisParametersofPhotoPolymerizationofPAMandItsEffectinCoalSlimeWaterFlocculatingZHANGDong-jie,NIERong-chun,YANFang(SchoolofChemicalEngineering,AnhuiUniversityofScienceandTechnology,HuainanAnhui232001,China)Abstract:Effectsofparameterssuchasphoto-initiatordosage,monomercontent,initiationtimeandinitiationtemperatureonmolecularweightofPAMandinfluenceofadditivesureaandLASonPAMwerestudiedbyexperiments.TheresearchshowedthatthebestsynthesisparametersforphotopolymerizationofPAMare:dosageofphoto-initiator40μL,monomercontent20%,reactiontime1.5h,rangeofinitiationtemperature15～19℃,thebestcontentofureaorLAS6%.ThetestingresultsshowedthatPAMsynthesizedintheexperimentshasagoodeffectincoalslimewaterflocculating.Keywords:photocopolymerization;PAM;synthesisparameters;coalslimewater;flocculating　　(Polyacryamide,PAM)(acrylamide,AM)[1]。PAM,,PAM,[2]。,。,。。PAM、,,、、、,[3]。PAM、、。PAM,,30。,,,,PAM。PAM,,、,。,、、、。[4-5]UVPAM,,PAM。PAM,。PAM,PAM。1　1.1　(AM),,98%;,,99.8%;,;,;N2,;,;,;,;,DZF-6050;,AR2140;,0.54mm;,KCJ-5;;;;、。1.2　AM,AM。25mL,,,1.5(),,。1.3　AM:,[6]549-550。AM:PAMAM[6]551-553。1.4　:PAMη[6]546-548,[7]。1.5　:50g/m3,PAM10g/m3。3mL10g/m3PAM,200mm,。,,。:500mL,,10,200mm,;()。2　2.1　PAM,。,,mL/g。PAM,,、()、、PAM()(1～4)。1AM20%,0.5,20℃;240μL,0.5,20℃;340μL,20%,20℃;440μL,20%,1.5。　　V()/μL1　　　　w(AM)/%2　373　　　　　　　　　　　　　　,:PAM　　　t/h3　　　　t/℃4　1,PAM,。,,,,。:25mL,40μL。2,,。25%,,,20%。,,。,。,,,,。(60～90℃),,,,,。,,,。3,,。1.5h,。。1.5h。:。,。,。、。PAM。4:,。18℃,,。15～19℃。2.2　PAMPAM。,,,(LAS)。LASAM。AM。5LAS,。1PAM。　　w()/%1.;2.LAS5　1　PAM　　%PAM0246810/h14851.51.51.31372.02mL/g。51:PAM。LAS,,,38　　　　　　()　　　　　　　　　　　　29,,。:,,,;,AM6%,1.5h,PAM。,PAM,,AM,6%,。LAS,。2.3　PAMPAM2。2　PAMPAMPAMPAM1PAM2AM/%0.070.090.06　　2PAM,PAM1,PAM2PAM6%6%LASPAM。PAM0.1%,。2.4　PAMPAM,PAM、、PAM(3)。3　PAMZ/(mL·g-1)/(cm·min-1)/%72518.5281.590923.5271.5114027.8463.2PAM1372.0222.3760.6PAM1756.9736.6088.3PAM2728.5032.0882.73PAMPAM。,PAM1,PAM2,、、,。PAM,,,,。3　(1)PAM,PAM;:40μL,AM20%,1.5,15～19℃。,21.5%、AM0.07%、1372.02mL/g,。(2)PAM,,,LASPAM,PAM。,,PAM,LAS6%。(3)PAM,PAM,,PAMPAM。:[1]　.[M].:,1998:48.[2]　,,,.[J].,2004,21(S1):50-63.[3]　,.[J].,2002,19(2):45-47.[4]　,.[J].:,2003,23(2):49-52.[5]　,,,.[J].,2003(5):11-13.[6]　.GB12005.1～3-89,[S].:,1989.[7]　.GB/T12005.10-92,[S].:,1989.(责任编辑:李　丽,范　君)393　　　　　　　　　　　　　　,:PAM