Nucleation parameters for polymer crystallization from non-isothermal thermal analysis
Kishore, K.
Vasanthakumari, R.
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Differential scanning calorimetry (DSC)has been used to obtain kinetic and nucleation parameters for polymer crystallization under a non-isothermal mode of operation. The available isothermal nucleation growth-rate equation has been modified for non-isothermal kinetic analysis. The values of the nucleation constant (Ks)and surface free energies (o, oe)have been obtained for i-polybutene-1, i-polypropylene, poly(L-lactic acid), and polyoxymethylene and are compared with those obtained from isothermal kinetic analysis; a good agreement in both is seen.
KINETIC PARAMETERS
NUCLEATION PARAMETERS
POLYMER CRYSTALLIZATION
NON-ISOTHERMAL
THERMAL ANALYSIS
DIFFERENTIAL SCANNING CALORIMETER
HOT-STAGE MICROSCOPY
Colloid & Polymer Science, 266, p.999, 1988
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