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0(PSA)[1-2]。2090,PSA,PSA[3],、、、、。PSA,、。PSA、(),、[4]。,PSA,PSA(、)、、[4],,(),[5]。(、、),[4]。、(APS)、(OP-10)/(SDS),PSA;PSA,。11.1(BA)、(MMA)、(AA)、、(APS),,;(OP-10),,;(SDS),,。1.2HH-2、JJ-1,;NDJ-97,;RGM-50,;,;,。1.3PSA(1)pH:、(APS)、,,80℃;(1h),30min;90℃30min,60℃(pH)。,,,(,643000):(BA)、(MMA)(AA),(APS),(OP-10)/(SDS),,PSA()。:w(BA)=80%、w(MMA)=14%、w(AA)=6%、w(APS)=0.4%、w()=2.0%、w()=6%m(OP-10)∶m(SDS)=2∶1,PSA(54.41%)、(140mPa·s),180°(2.79N/mm)、(16)(24.0h)。:;;;;:TQ433.436:TQ436.3:A:1004-2849(2012)03-0035-04:2011-09-05;:2011-11-28。:(1986—),,,。E-mail:chunxie2100@126.com:。E-mail:jchenzg@yahoo.com.cnCHINAADHESIVES20123213Vol.21No.3,Mar.201235--943()213(2)PSA:pH,0.1mol/L;1h,60℃,pH。(3)PSA:PSA(25mm),105℃3min,(2±1)μmPSA。1.4(1):(105℃,60min)。(2):(25℃,4,12r/min)。(3):GB/T4852—2002,(30°)。(4):GB/T4851—1998(,25mm×100mm,5,0.5kg)。(5)180°:GB/T2792—1998,(,5,300mm/min)。(6):,90℃24h;,,。(7)pH:pH。22.1/PSABA、MMAAA,(AA),m()∶m()Tg(),PSA1。1:,Tg,PSA(,PSA),(,PSA,),。,m(BA)∶m(MMA)=80∶14,PSA。2.2PSA[w()=6%m(OP-10)∶m(SDS)=2∶1],(APS)PSA2。2:APS,PSA,,。APS,,Mr(),PSA,、;,APS,,Mr,,PSA。,w(APS)=0.4%(),PSA。2.3PSA,(AA)PSA3。3:AA,,。AA,、,Mr,PSA、PSA,PSA;,AA,PSAMr,PSA2PSATab.2EffectofinitiatorcontentsonpropertiesofPSA1/PSATab.1EffectofmassratioofsoftmonomertohardmonomeronpropertiesofPSAm(BA)∶m(MMA)Tg/℃w()/%/(mPa·s)()/h180°/(N·mm-1)70∶24-23.2555.041301312.02.5375∶19-29.1755.76140158.02.2580∶14-34.8155.85160166.02.1785∶9-40.1952.2980164.51.91w(APS)/%w()/%/(mPa·s)()/h180°/(N·mm-1)0.255.45230133.01.630.455.83160166.02.170.657.25120162.02.050.858.2190161.51.853AAPSATab.3EffectofAAcontentsonpropertiesofPSAw(AA)/%w()/%/(mPa·s)()/h180°/(N·mm-1)255.65110102.01.78455.76130135.02.03655.85160166.02.17856.10270159.01.8436--944()、,PSA。,PSAAA(AA,-COOH,-COOHAA,)。,w(AA)=6%(),PSA。2.4PSA,()(pH)PSA4。4:,,。,;,,Mr,;PSA,。,,()。,w()=2.0%(),PSA。2.5pHPSA,PSA(pH),PSAPSA,PSA5。5:pH≤5pH7,PSA;pH=7,PSA,()。pH,;pH≤5,Al3+,-COO-Al3+,;pH≈7,A1(OH)3,,(),PSA;pH7,Al(OH)4-,,Al(OH)4-,PSA。3(1)BA、MMA、AA、APS、OP-10/SDS,PSA。(2)PSAw(BA)=80%、w(MMA)=14%、w(AA)=6%、w(APS)=0.4%、w()=2.0%、w()=6%m(OP-10)∶m(SDS)=2∶1。(3)PSA,54.41%、140mPa·s、180°2.79N/mm,16,24.0h,。[1].[M].:,2002.[2],,,.[J].,2009,18(2):46-48.[3],,,.[J].,2009,37(9):37-39,43.[4].[J].,2007,28(5):41-44.[5],,.[J].,2009,31(6):5-9.(:)4PSATab.4EffectofaluminumsulfatecontentsonpropertiesofPSAw()/%w()/%/(mPa·s)()/h180°/(N·mm-1)1.053.62100168.02.231.554.181201512.02.452.054.411401524.02.792.553.731101424.02.985pHPSATab.5EffectofpHvaluesonpropertiesofcrosslinkedPSApH()/h31324.051424.07166.091324.0(58)21337--945()213StudyonacrylatePSAemulsionXieChun,ChenJian,CuiWenjing,JinYongzhong(KeyLaboratoryofMaterialCorrosionandProtection,SichuanUniversityofScienceandEngineering,Zigong643000,China)Abstract:Withbutylacrylate(BA),methylmethacrylate(MMA)andacrylicacid(AA)asreactionmonomers,ammoniumpersulfate(APS)asinitiator,nonionicemulsifier(OP-10)/sodiumdodecylsulfate(SDS)ascompositeemulsifier,aluminumsulfateaschemicalcrosslinker,anacrylatepressuresensitiveadhesive(PSA)wassynthesizedbyemulsionpolymerization.TheresultsshowedthatthecorrespondingPSAhadhighersolidcontent(54.41%),lowerviscosity(140mPa·s)andgoodheatresistance,atthesametime,its180°peelingstrength(2.79N/mm),initialtack(ballNo.16)andholdtack(24.0h)wereallgoodwhenmassfractionsofBA,MMA,AA,APS,aluminumsulfateandcompositeemulsifierwere80%,14%,6%,0.4%,2.0%and6%respectively,andmassratioofm(OP-10)∶m(SDS)was2∶1.Keywords:acrylate;pressuresensitiveadhesive(PSA);emulsionpolymerization;ioncrosslinker;aluminumsulfate(37)Synthesisofwaterbornedrylaminationadhesivewithquick-dryingZhangShijun1,ZhengJun1,LiangWenbo1,GaoDongpo2(1.ShanghaiGuangpuChemicalIndustryCo.,Ltd.,Shanghai201802,China;2.No.3HighSchoolofXiangheCounty,Langfang065499,China)Abstract:Withbutylacrylate(BA)assoftmonomer,N-methylolacrylamide(NMAM)ascrosslinker,styrene(St)ashardmonomer,ananionic/nonioniccompositeemulsifier(CO-459)andawaterbornesiccative(H-874)introducedintosystem,awaterbornedrylaminationadhesivewithquick-dryingwasmade.Theresearchresultsshowedthatthecorrespondinglaminationadhesiveemulsionhadhigherpolymerizationstability,longerstoragetimeandreverselyfasterdryingspeed,anditscombinationpropertycanmeetapplicationrequirementswhenmassfractionsofCO-459,NMAMandH-874were1.5%,1.0%-2.5%and1.2%respectivelyintotalmonomers,massratiosofm(bottomemulsifier)∶m(totalemulsifier)andm(BA)∶m(St)were30∶100and1∶(0.45-0.65)respectively,reactiontemperaturewas85-90℃,dropwiseaddingtimeandheatinsulationtimeformonomerswere2.0hand1.5hrespectively.Keywords:waterbornedrylaminationadhesive;emulsifier;crosslinker;siccative;productionprocess(41)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!anhydride,imidazoleandothercuringagents)andaccelerantswereindetailintroduced.Finally,thefutureresearchdirectionsofEPsystemswithmoderatetemperaturecuringwereexpected.Keywords:epoxyresin(EP);dicyandiamide;imidazole;acidanhydride!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!58--966()
本文标题:乳液型丙烯酸酯压敏胶的研究
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