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当前位置:首页 > 建筑/环境 > 工程监理 > 化学交联改善SBR改性沥青粘韧性能的试验研究陈天泉
2015126TechnologyofHighwayandTransportDec.2015No.6DOI10.13607/j.cnki.gljt.2015.06.005cstc2013yykfB300042014911022015-08-031980-.SBR400067SBR。SBRSBRSBR。SBRSBRSBR。SBRSBR。SBRSBRSBR。SBR1009-6477201506-0018-04U416.217AExperimentalStudyonImprovementofToughnessofSBRModifiedAsphaltbyChemicalCrosslinkingCHENTianquanAbstractThankstoitsexcellentcryogenicpropertytheSBRmodifiedasphalthasbeenwidelyappliedinsomealpineregionsofourcountry.ToughnessandductilityarekeyindicesforevaluationoftheSBRmodifiedasphaltthereforehowtoimprovetoughnessandductilityoftheSBRmodifiedasphaltbecomesaproblemthatneedbesolvedinpracticalapplication.ThispaperstudiestreatmentofcrosslinkingmodificationfortheSBRmodifiedasphaltbymeansofunsaturateddoublebondswithinmoleculesofSBRmodifierandinthemethodofchemicalcrosslinkingmodificationtoenableformationofuniformanddispersivenet-likestructureinsidetheasphaltsoastoimprovetoughnessandductilityoftheSBRmodifiedasphaltgreatly.InadditionthepapercarriesoutexperimentalstudyoftoughnessofcrosslinkingSBRmodifiedasphaltwithdifferentmixingamountofSBRmodifierandcrosslinkingagent.Theresultsofstudyshowthatbothunderandover-crosslinkingwillaffecttoughnessoftheSBRmodifiedasphalttheoptimalcrosslinkingmodificationschemefortheSBRmodifiedasphaltdeterminedviatestwillobtainthebestcrosslinkingmodificationeffectoftheSBRmodifiedasphalt.KeywordscrosslinkingSBRmodifiedasphalttoughnessductilitySBR1。SBRSBR、。SBR。SBR2JTGF40—2004《》2。SBRSBR。SBR1。11SBRC=CSBR。SBR2。。2SBRSBRSBRSBRC=CSBR3-7。SBR。SBRSBR。SBRSBRSBR。11.113031SBR。11303100g25℃5s/0.1mm15℃5cm/min/cm/℃127>10041.0MTS810。1.2SBR170℃170℃SBRSBR2hSBR3h160℃SBR1hSBR。1.3SBRSBRJTGE20—2011《》8。2SBRSBR34。3SBR34SBR0%SBR。SBRSBR9120156SBR4SBR3%SBR。SBRSBR3%SBRSBR。0%SBR。。3、4SBR1%2%SBR。21%SBR。1%2%SBRSBR0.5%1%。1%SBRSBR。2%SBR0.5%。2%SBR1%SBR。SBR2。3、4SBR3%。0.5%SBR。SBR。SBR3%0.5%1%。SBR3%0.5%SBR5。55SBRSBR。5cmSBR5cm260220153。4。。1.JTGF41—2008S.2008.2.J.201212215391-5395.3.D.2013.4.M.2014.5.J.2004644-46.6.J.2013347-50.7.J.20113134-139.8.JTGE20—2011S.欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍欍2011.20。SBR。SBR。SBR。SBRSBRSBR。SBRSBRSBR。31SBRSBR。2SBRSBR。3SBRSBRSBR。3%SBR0.5%。1.SBRD.2010.2.JTGF40—2004S.2004.3.SBRJ.2002494210-214.4.-J.200416-9.5.SBRJ.2010512-15.6.J.2001128-31.7.J.200111120-123.8.JTGE20—2011S.2011.622015
本文标题:化学交联改善SBR改性沥青粘韧性能的试验研究陈天泉
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