DSC

1

• Differential Scanning Calorimetry– DSC compares the thermal response of a sample to

that of an inert reference.

http://www.tainstruments.com/pdf/brochure/2012%20DSC%20Brochure%20r1.pdf

DSC

2

• Power Compensated

• Heat flux

http://www.evitherm.org/default.asp?lan=1&ID=982&Menu1=982

DSC

3 Principles of Thermal Analysis and Calorimetry, P.J. Haines et al., Royal Society of Chemistry, 2002http://www.colby.edu/chemistry/PChem/lab/DSCPETE.pdf

Kinetic Modeling

4

• Isothermal Scanning

• nth order vs. autocatalytic models

• Activation energy

Sheng, et al. J. Therm. Anal. Cal., 93, 2008

1 1E

nRTcat

dA e K

dt

Exothermic polymerization peaks

𝛼𝑚

y = -mx + b

Kinetic Modeling

5

• Dynamic Scanning

• Isoconversional Methods– Kissinger

– Ozawa

– Friedman

Sheng, et al. J. Therm. Anal. Cal., 93, 2008

1 1E

nRTcat

dA e K

dt

𝛼𝑚