异戊二烯的制备及其应用

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10、,30,,,,。,、(),C540%~55%[1],,15%~25%,、SIS、、,[2]。1(2-methylbutadiene)、2--1,3-,C5H8,68.12,CAS:78-79-5。、,,、、。,>1.6%。,,,。2(2--1,3-)C5,,C5。、3,1。,,,(,730046):C5,,15%~25%,、SIS、、,。:C5;;;:TQ221.22+6:A:1671-9905(2011)10-0035-07:(1982-),,,,,,:13239319882,E-mail:zhfgfz@163.com,:,:730046:2011-06-28 !#$%&’()* +,- . /01 * 23456782. *9:;078 .= ?078.@A078*BCDBEFBEGHBEIJIKLMD2020N20D1Tab.1Propertiesofisoprene!#$#%&’(#$)*1Fig.1Blockdiagramofisopreneproductionmethods4010201110Technology&DevelopmentofChemicalIndustryVol.40No.10Oct.201140402.1(1):,。,。①-,Prins4,4--1,3-(DMD),DMD、。,。:、、、。②-,。,。。(2):,,。。,。,,。(3):,。,。2.2。、。:3:、。,。5、6。2-Fig.2Two-stepsynthesisofisoprenefromisobutyleneandformaldehyde1.DMD;2.;3.DMD;4.;5.;6.;7.;8.;9.DMD3-Fig.3Processoftwo-stepsynthesisofisoprenefromisobutyleneandformaldehydeC51234567DMD895Fig.5Russia’sflowchartofdehydrogenationofisoprene1.;2.;3.;4.;5,6.;7.;8.;9.;10.;11.;12.;13.C5;14.C2-C412345678101112131491.;2.、;3.;4.、;5.;6.;7.;8.;9.;10.;11.6shellFig.6U.S.shellcompany’sindustrialflowchartofdehydrogenationofisopreneC5C4-C51222444435678910112HCHOOO℃℃4-Fig.4One-stepsynthesisofisoprenefromisobutyleneandformaldehyde+HCHO200-300?HC+HO℃36102.3、、N-N-。、、。,,,,,,,。98%,90%。,,99.5%,95%。ARCO。,,。C5:、、。7。(1)DMF:GPI,。:C5,,,,1,3-,、、,99.5%。,,,;,;。(2)ACN:ACNC5,3:;,,;1,4-,,。,,,,,,。,。,,,。(3)NMP:NMP,。,。,;,;,,,,,、、。,,,。2.4(1),、N-(NMF)、B-,,。(2),。,,、、、;()、、;;。,,。,1.;2.;3.;4.;5.;6.;7.;8.;9.;10.7C5()Fig.7ProductionprocessofisoprenebyC5extraction/、C512345678910:374040。(3)(Ag+Cu2+),Ag(Cu)-Π,,。,。、、、、,,。,2。2,C5,。,,C5。3,8。、、、。3.1,Nd-IR、Ti-IR、Li-IR、Trans-IR、1,4-。1,4-,(NR),“”,NR,,。,,,,,,。1,4-:;;。9。  。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。2Tab.2Comparisonoftheproductioncostofvariousproductionmethodsofisoprene!#$%&’()*+,-./0123456789:;=31?@AB1CADEFADGHIJ=KLMNO!PQ!KRSTUMN1KVWXYMN!#!$%&’()*+,-./0$012345-.6123789:;/0.=?@ABCD;EF?EF?EF?/CD9GHI9!JKLM;NOP/0-8Fig.8Usagesofisoprene3810   ,。,TiCl4-Al(I-C4H9)。Goodyear,NdCl3.nL,Goodyear。Goodyear,6.1t·a-1,2090,5.7~6.5t·a-1,C5。,107.5t·a-1,。、、2.3t·a-1、3t·a-1、3t·a-1。ShellNederlandChem,1.5t·a-1。2070C5,199225kt·a-1C5,65kt·a-1。C5,,、、,、、。DMF,、、、、。,,8.6%。9Fig.9Schematicdiagramoftheproductionprocessofisoprene  !#$%&’(()*+,-./0,123445#$%&’6&)70,-892:;,=./$%&6?)%0,-@:;,=./,AB$%&(6)0,-:89:3AB3C:)DEFDEFGHIJK%7)70,-LM/-M,NBCCOCB,DEFDEFGHIJK%)*0,-9,43P/,QDEFDEFGHIJK%?)70,-4ABR0STUV7)60,-WX’%)%3IRTab.3ForeignmanufacturersandtheirproductioncapacityofIR4IRTab.4TechnologyDevelopmentconcerningisoprenerubberinChina:   !#$%&’()*+,-./)0123456789:;=?@ABCDEFGHIJK(L5MD#NO-PQ?R!STUVWXYZ[\] ^PQ#NSTUV_‘a #bcdefghiSTj-klmnoPQcdSTVpklqrdstuvwUV3940403.2(3%~5%),、,、。Exxon,22.2t·a-1(6700t·a-1);,9t·a-1;Exxon10t·a-1,3000t;BayerPolysar,20t·a-1;15t·a-1。3.3SIS--(SIS)。,SIS,SIS、、、。ShellSIS,SIS、SBS15.9t·a-1,、,28t·a-1。2090,DowExxonDexco3.2t·a-1SIS、SBS,EnichenElastomersAmerica3.7t·a-1。SIS:2t·a-1,2.0t·a-1(Shell),0.7t·a-1,0.6t·a-1。SBS、SIS2t·a-1,-19962t·a-1SBS、SIS,CoperbeSIS、SBS7000t·a-1。SIS:,。3SIS。,,。SIS,SIS。SIS,、。3.4、,A、E、K、β-、。Rhodia,,,,,HCl,90%。alodl。,,Linder。、、,,,,,、,,。(),80%。。,10000t3000t。3.5、,、,,、、,。3.6-。  。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。5IRTab.5DomesticIRmanufacturerwhoisalreadyproducingandplanstoproducetheIR4010,,,,,,,。4、,C5,,,,,。,。(1)C5,,,,,。(2),,,,,,。,,。,70%,,。(3),,4%;SIS,40%。SIS,80%,。,SIS,、,SIS,,,。(4),C5,C5,,、,。(5),,,,。:[1],,.[M].:,1998.589-609.[2],,.DMF[C].[A].:,2007.PreparationandApplicationofIsopreneZHANGHui-fang,SHENGYong-ning,FUYan,TAOQiong(DepartmentofScienceandtechnology,NorthwestYongxinChemicalIndustryCo.,Ltd.,Lanzhou730046,China)Abstract:IsoprenewasoneofthecomponentsinC5fractioningreatquantityandwithalargenumberofus-ages.Ittakedupabout15%~25%ofthetotalweightofC5fraction.Itwasmainlyusedintheproductionofiso-prenerubber,SISthermoplasticelastomer,agrochemicalsintermediatesandpharmaceuticalchemicalinter-mediates,andpreparationoflubricatingoiladditive,rubbercuringagentandcatalysts,etc.Keywords:C5;isoprene;preparation;application:41

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