白炭黑湿法改性研究

*1,2,3(1.,643010;2.;3.):3(KH-550,A-151,Si69),,,,33:1)KH-550,,1%,35,25min;2)A-151,,1.5%,65,35min;3)Si69,,1%,55,45min:;;;:TQ127.2:A:1006-4990(2010)12-0040-04StudyonwetsurfacemodificationofsilicaXuWei1,CuiYishun2,ChenLixiu3(1.ZigongZhonghaoChemicalCo.,Ltd.,Zigong643010,China;2.SchoolofMaterialsandChemicalEngineering,SichuanUniversityofSciences&Engineering;3.ChangshanSaltMine,SichuanJiudaGroupCo.,Ltd.)Abstract:Wetsurfacemodificationwasmadeforsilicawiththreekindsofsilanecouplingagents(KH-550,A-151andSi69).Themodifiedsilicawasusedforreenforcingstyrene-butadienerubber(SBR).Themodificationeffectsofsilanecouplingagentswereverifiedthroughtestingthemechanicalpropertiesofreinforcedrubbers.Thetestresultsprovedthatthethreeagentsallcanrealizethemodificationforsilicaandoptimumwetmodificationconditionswereobtained:1)KH-550asmodifier:itmustbehydrolyzedatfirst,itsdosageis1%(massfraction)ofsilica;themodificationtemperatureis35,andthemodificationtimeis25min;2)A-151asmodifier:hydrolyzedatfirst,thedosageis1.5%(massfraction)ofsilica,modificationtemperatureis65,andmodificationtimeis35min;3)Si69asmodifier:itmustbeemulsifiedatfirst,thedosageis1%ofsilica(massfraction),modificationtemperatureis55,andmodificationtimeis45min.Keywords:silica;wetsurfacemodification;couplingagent;styrene-butadienerubber(SBR),,,,,,,[1-3]3(KH-550,A-151,Si69),,,,,,11.1,,SiO2Na2O3.4;,98%,;(KH-550,A-151,Si69),;,;1.2BS423S,;025-2F,;HH-601FS-1*:(09C26215102274);(08X01)40无机盐工业INORGANICCHEMICALSINDUSTRY第42卷第12期2010年12月,;2XZ-4A,;DC-1500,;XK-160QLB-30JWL-2500NJMH-75JCP-25,1.3,,,,,1.4HG/T3061-30731999!∀HG/T24041992!∀22.12.1.1不同种类硅烷偶联剂对白炭黑的改性效果:20%;1%();;45;35min;3(KH550,A-151,Si69)11,3,,KH550,,,,,,1w(SiO2)/%/%DBP/(cm3#g-1)300%/MPa500%/MPa/MPa/%1.61km/cm3925.02.83.97.618.57860.48KH550915.72.44.58.926.87250.43A-151915.62.54.28.324.07420.39Si69915.82.55.011.025.07130.212.1.2硅烷偶联剂预处理方式对改性效果的影响:2.1.1KH550,22:Si69;A-151,:Si69,,,,,Si69,,,,,;A-151,,,,,,,2w(SiO2)/%/%DBP/(cm3#g-1)300%/MPa500%/MPa/MPa/%1.61km/cm3A-151915.62.54.28.324.07420.39A-151915.72.64.08.222.57350.41Si69915.82.55.011.025.07130.26Si69905.72.45.513.026.06900.21412010年12月徐伟等:白炭黑湿法改性研究2.1.3硅烷偶联剂用量对改性效果的影响2.1.2,KH550A-151,Si69,2.1.133,3,,,,,,,,3:KH5501%,A-1511.5%,Si691%3/%w(SiO2)/%/%DBP/(cm3#g-1)300%/MPa500%/MPa/MPa/%1.61km/cm3KH5500.5915.12.64.18.221.87430.45KH5501.0915.72.44.58.926.87250.43KH5501.5906.02.14.89.725.07140.43KH5502.0896.31.95.411.521.76630.44A-1510.5925.22.64.08.224.07660.42A-1511.0915.62.54.28.324.07420.39A-1511.5905.82.35.19.426.57000.32A-1512.0896.22.35.311.023.66590.28Si690.5915.52.55.011.724.67280.35Si691.0915.72.45.513.026.06900.21Si691.5906.12.16.816.524.46190.17Si692.0896.32.07.517.324.55860.172.1.4改性温度对改性效果的影响KH5501%,A-1511.5%,Si691%,2.1.344,:KH55035,A-15165,Si6955KH550,,;A-151,,A-151,;Si69,,,,,,,,4/w(SiO2)/%/%DBP/(cm3#g-1)300%/MPa500%/MPa/MPa/%1.61km/cm3KH55035915.72.44.58.926.87250.43KH55045915.82.44.58.926.07100.43KH55055905.72.34.28.525.07110.43KH55065905.72.34.08.023.96890.43A-15135915.82.55.19.426.57000.32A-15145915.82.45.39.526.57030.32A-15155915.82.45.19.326.56980.32A-15165905.82.55.110.527.06950.32Si6935915.72.25.513.026.06900.21Si6945915.82.15.513.026.06900.19Si6955905.82.16.014.327.06880.17Si6965905.82.15.814.026.06880.1742无机盐工业第42卷第12期2.1.5改性时间对改性效果的影响4,55,:KH55025min,A-15135min,Si6945min,,,;5/minw(SiO2)/%/%DBP/(cm3#g-1)300%/MPa500%/MPa/MPa/%1.61km/cm3KH55025915.72.64.48.926.87250.43KH55035915.72.44.58.825.57250.43KH55045905.72.24.48.925.47340.44A-15125915.82.74.59.926.17090.34A-15135915.82.55.110.527.06950.32A-15145905.82.45.110.527.06900.32Si6925915.72.15.012.626.06910.22Si6935915.72.15.513.026.06900.21Si6945905.82.15.614.327.66800.21Si6955905.82.16.015.028.36600.1831),,DBP,500,DBP,,,,2)3,Si69KH-550A-151;Si69A-151KH5503),,,,,4),,,41),,,2)3:∃KH550,1%,,35,25min;%A-151,1.5%,,65,35min;&Si69,1%,,55,45min3),,:[1],.[J].:,2002,1(6):12-16.[2].[M].2.:,2004:65.[3].[J].,2009,41(1):24-25.:2010-06-28:(1973),,,:[e-mail]432010年12月徐伟等:白炭黑湿法改性研究