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Percent Crystallinity Calculator form Differential Scanning Calorimetry (DSC)

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Percent Crystallinity Calculator form Differential Scanning Calorimetry (DSC) - InstaNANO. https://instanano.com/all/characterization/dsc/percent-crystallinity-2/ (accessed December 1st, 2024).

This calculator can determine percent crystallinity by using Melting Enthalpy, Crystallization Enthalpy values via DSC.

Melting Enthalpy (ΔHm)

Crystallization Enthalpy (ΔHc)

Melting Enthalpy for 100% Crystallinity(ΔH*m)

Results
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Calculation Tutorial:

STEP1: Enter the ‘Enthalpy of Melting (ΔHm) for the polymer, which is the Area of the melting curve divided by sample weight obtained from DSC and its unit is J/g.

STEP2: Enter the ‘Enthalpy of Crystallization (ΔHc) for the polymer, which is the Area of the Crystallization curve divided by sample weight obtained from DSC and its unit is J/g.

STEP3: Enter the ‘Melting Enthalpy for 100% Crystallinity(ΔH*m) for the polymer, which is the value of Melting Enthalpy when the polymer is 100% crystalline. This value you can easily get from references.

Few Polymers ΔH*m value from the literature

Polymer Name Melting Enthalpy for 100% Crystallinity(ΔH*m)
Nylon 6 230.1
Nylon 6,6 255.8
PET 140.1
Polypropylene 207.1
Polyethylene 293.6

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