From the DSC data, explain the differences between the two grades in terms of any thermal transitions (Tg, Tm or Tc) or degradation behaviours Indepth answers pls First screenshot Polystyrene with a molecular weight range of 30,000 50,000 g mol Second screenshot Polystyrene with a molecular weight of 350,000 g mol DSC Size 6 3050 mg Method LHL 1 0 0 5 0 0 Heat Flow (W g) 0 5 74 35C 7 926J g 1 0 Tm 76 51C 1 5 40 60 80 100 120 140 160 180 200 Exo Up Temperature (C) Universal V4 5A TA Instruments DSC Size 3 1370 mg 2 1 Heat Flow (W g) Tm 199 75C Tg 107 26C 108 49C(0) 199 75C 9 800J g Hm 109 62C 1 2 50 200 250 100 150 Temperature (C) Exo Up Universal V4 5A TAI

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Question: From the DSC data, explain the differences between the two grades in terms of any thermal transitions (Tg, Tm or Tc) or degradation behaviours. Indepth

From the DSC data, explain the differences between the two grades in terms of any thermal transitions (Tg, Tm or Tc) or degradation behaviours. Indepth answers pls

First screenshot: Polystyrene with a molecular weight range of 30,000-50,000 g/mol

Second screenshot: Polystyrene with a molecular weight of 350,000 g/mol

From the DSC data, explain the differences between the two grades in

terms of any thermal transitions (Tg, Tm or Tc) or degradation behaviours.

DSC Size: 6.3050 mg Method: LHL 1.0 0.5 - 0.0 - Heat Flow (W/g) -0.5 74.35C 7.926J/g -1.0 - Tm 76.51C . -1.5 - 40 60 80 100 120 140 160 180 200 Exo Up Temperature (C) Universal V4.5A TA Instruments DSC Size: 3.1370 mg 2 1 Heat Flow (W/g) Tm 199.75C Tg 107.26C 108.49C(0) 199.75C 9.800J/g Hm 109.62C -1 - -2 50 200 250 100 150 Temperature (C) Exo Up Universal V4.5A TAI

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