VE-AFM/DFM(Micro Viscoelasticity Measurement Mode) Observation of Glass Transition in Polymer SII C (SPA-300HV, Environment Control Type Unit) Data No. 3 Polypropylene Block Copolymer PR domain 10 10 bleck eepoly ater 10℃ 100℃ G’ErR Structure of Pp Block Copolymer 120℃ PP: Polypropylene 100 PE: Polyethylene EPR: Ethylene Propylene Rubber tano BLeck copolymer *In-situ observation is available with the temperature controlled SPM 150 150 10 *VE-data of SPA300HV is overlapped Temp /C with the data of Dynamic Mechanical Spectrometer DMs6100Data No.３ Polypropylene Block Copolymer E’ , G’ / Pa Temp. / ℃ tanδ -150 -100 -50 0 50 100 150 10-2 10-1 100 101 103 102 1010 108 106 104 102 -100℃ -70℃ 50℃ 120℃ -10℃ E’ PP block copolymer G’ EPR tanδ PP block copolymer tanδ EPR Tg EPR ＥＰＲ domain ＰＰ matrix ＰＥ rich Structure of PP Block Copolymer PP: Polypropylene PE: Polyethylene EPR: Ethylene Propylene Rubber *In-situ observation is available with the temperature controlled SPM *VE-data of SPA300HV is overlapped with the data of Dynamic Mechanical Spectrometer DMS6100. VE-AFM/DFM（MicroViscoelasticity Measurement Mode） Observation of Glass Transition in Polymer （ SPA-300HV, Environment Control Type Unit）