a,b a b - Unknown - Unknown - Unknown

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SupplementaryInformation1Bio-basedThermoplasticElastomerbasedonanSMSTriblockCopolymerPrepared2viaRAFTPolymerizationinAqueousMedium34UddhabKalitaa,SarthikSamantaa,SovanLalBanerjeea,NarayanC.Dasa,b,NikhilK.5Singhaa,b*6aRubberTechnologyCentre,IndianInstituteofTechnology,Kharagpur,721302,India7bSchoolofNanoscienceandTechnology,IndianInstituteofTechnology,Kharagpur,8721302,India9*CorrespondencetoNikhilK.Singha(nks@rtc.iitkgp.ernet.in)

110111213FigureS1:1HNMRspectrumofPS-CTA-PSmacro-RAFT(PS1homopolymer)141516FigureS1showsthe1HNMRspectrumofthePS1macro-RAFT.Theareaunderthe17curveforprotons“d”and“b”wereusedtocalculatethemolecularweightofthesynthesized18PS1asfollows:19??????????ℎ????????“b”????????20M.W.ofPS1=×?.?.?????????()??????????ℎ????????“d”??????????2141.63121=×104.15?/???2222≈14,750?/???232425ThisvalueiscomparablewiththatofthemolecularweightobtainedfromGPCanalysis.26272|Page

2282930FigureS2:13CNMRspectraofPS-b-PMY-b-PStriblockcopolymer(SMS-10)313213CNMRwasusedtodeterminethepercentageofciscontentfromthe1,4-contentof33thePoly(β-myrcene)part.Thetwo13Csignalsat137.50and137.53ppmforthecarbon34markedas“9”inFigureS2for9cisand9trans,respectively,havebeenconsideredforthis35calculation.Comparingtheintensityofthesetwosignals,theciscontentwasfoundtobe36around69%amongstthetotal1,4-content.373|Page

3383940FigureS3:GPCtracesofPSandSMScopolymers41424344FigureS4:DSCtracesof(a)SMS-10;(b)SMS-34and(c)SMS-52454|Page