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Crystallization kinetics during polymer processing—Analysis of available approaches for process modeling by Rajen M. Patel; Joseph E. Spruiell is a Materials Science article available to read on EtoBox.
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## Abstract An analysis of available methods of dealing with polymer crystallization for process modeling is presented. Problems encountered in using isothermal data to predict nonisothermal results are discussed and illustrated using experimental data for nylon 6. A half‐time analysis is used to evaluate and extrapolate the isothermal crystallization rates. It is concluded that none of the available models are entirely satisfactory for computing nonisothermal crystallization from isothermal data, though the Nakamura model is shown to be more satisfactory for process modeling than other models discussed in the literature. A nonlinear regression method is presented for directly fitting nonisothermal crystallinity data using the Nakamura model to obtain crystallization rate equation parameters. Two empirical methods for including amorphous orientation effects are also considered and evaluated by comparing predicted results to online experimental data for melt spinning of nylon 6.
Who reads Crystallization kinetics during polymer processing—Analysis of available approaches for process modeling?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Rajen M. Patel; Joseph E. Spruiell
- Publisher
- Society for Plastic Engineers; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0032-3888)
- Published
- 1991
- Language
- EN
- Field
- Materials Science (Physical Sciences)