KRATON科腾新型SEBS技术资料

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1、NewHydrogenatedStyrenicBlockCopolymersforPressureSensitiveAdhesivesDrNoëlDeKeyzerandDrGeertVermunichtKRATONPolymersResearchS.A.Belgium23/02/20051KRATON:ThermoplasticElastomerTwo-phasestructure°300APSandRubberareincompatiblePSΦandformatwo-phasestructureRubberΦTempera

2、tureinducedtransitionsCrosslinkedGlassViscousliquid‘Homopolymer’reinforcedrubberOrder-RubberPSdisorderTgTgTEnd-useregionProcessingregionLeadingby23/02/2005Listening2StructureofHydrogenatedStyrenicBlockCopolymersPSRUBBERPSPB-(CH–CH=CH-CH-)–(CH-CH-)SBS22n2mCH=CH2PEB-(

3、CH2–CH2-)n–(CH2–CH-)mSEBSCH–CH2323/02/20053FeaturesofconventionalKratonGHydrogenationofdoublebonds-highermid-blockTg(-55°C)thanSBS(-90°C)-longtermthermalstabilityandweatherability+UVadditives-lowermid-blocksolubilityparameter(δ=7.9)thanSBS(δ=8.3)Æhydrogenatedtackify

4、ers,polyolefins,waxes-enhancedphaseseparationhighcohesionformulationdilutionHildebrandsolubilityparameterδin(cal/cm3)1/223/02/20054FeaturesofnewKratonGModifyingtheEBstructure-highermid-blockTg(-38°C)thanSEBS(-55°C)-higherMe----ÆG’modulus,tack,Hot-meltviscosity-lower

5、mid-blocksolubilityparameter(δ=7.8),increasedcompatibilitywithPP(clarity)andAPAO23/02/20055KratonGPolymerGradesPolymerTypePolystyreneMid-blocksolutionMeltFlowmorphology%DMATg°Cvisc,cPsg/10minMD-6917SEBS33-3870at10%0powderG-1651SEBS33-551800at10%0powderMD-6924SEBS20-

6、381300at25%<1at230/5powderG-1650SEBS30-558000at25%<1at230/5powderMD-6932SEBS20-35210at25%80at230/5densepelletsG-1652SEBS30-551800at25%5at230/5powderG-1657(SEB)213-554200at25%8at200/5densepellets23/02/20056ExampleofDMAcurves1.00E+10G-1652-30%PSC1.00E+091.00E+08MD-692

7、4-20%PSC1.00E+07G'Pa1.00E+061.00E+05G-1657-13%1.00E+04PSC-100-50050100150200Temperature°CLeadingbyListening7ApplicationDomaininfunctionoftheKratonGconcentration2-15%20-25%30-45%55-80%hygieneSealantsTapesFilmsOilgelsNon-wovensLabelsGreasesPackagingRoadmarkingpaintsLe

8、adingby23/02/2005Listening8Compounding,Coating•Compounding–Z-blademixingatabout180°C•Coating–Solventcoatingat22and28g/m2onPET–Hot-meltcoat