Results 251 to 260 of about 1,366,747 (308)
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Kinetics of Nonisothermal Polymer Crystallization
The Journal of Physical Chemistry B, 2005We adopt a cluster size distribution model to investigate the kinetics of nonisothermal polymer crystallization. The time dependencies of polymer concentration, number and size of crystals, and crystallinity (in Avrami plots) are presented for different cooling rates.
Yang, Jiao +2 more
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International Journal of Biological Macromolecules, 2018
We investigated the effects of the structure of medium-chain-length polyhydroxyalkanoates (MCL-PHAs) on their thermal properties and crystallization kinetics.
S. Gopi +3 more
semanticscholar +1 more source
We investigated the effects of the structure of medium-chain-length polyhydroxyalkanoates (MCL-PHAs) on their thermal properties and crystallization kinetics.
S. Gopi +3 more
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On the kinetics of ice crystallization in batch crystallizers
AIChE Journal, 1985AbstractThe population balance equation with respect to ice crystal size in a batch crystallizer was solved, taking into account the crystal size dependency of growth rate, and the temperature change with crystal growth was calculated. Both the temperature change and the crystal size distribution obtained theoretically were in fairly good agreement ...
Yoshihito Shirai +3 more
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Thermochimica Acta, 2018
The main objective of this work was to evaluate and characterize graphene oxide-reinforced polyamide 6 nanocomposites and to study the effects of the amount of reinforcement and the cooling rates on nonisothermal crystallization kinetics.
Caio Cesar Amorim de Melo +4 more
semanticscholar +1 more source
The main objective of this work was to evaluate and characterize graphene oxide-reinforced polyamide 6 nanocomposites and to study the effects of the amount of reinforcement and the cooling rates on nonisothermal crystallization kinetics.
Caio Cesar Amorim de Melo +4 more
semanticscholar +1 more source
Crystallization kinetics of pentaerythritol
Journal of Crystal Growth, 1996A framework is proposed for the modelling of the crystallization kinetics of pentaerythritol in a suspension crystallizer. The main kinetic processes that are considered are those of crystal growth, attrition and secondary nucleation.
R.Ó Meadhra +2 more
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The kinetics of crystallization of hopeite
Journal of Crystal Growth, 1984Abstract The kinetics of crystallization of α-trizinc phosphate tetrahydrate (hopeite) has been investigated over a range of supersaturation under conditions of constant solution composition. Following inoculation of supersaturated solutions with well characterized seed crystals, the activities of ion species in the supersaturated solutions were ...
L. Perez, G.H. Nancollas
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Experimental and Data Fitting Guidelines for the Determination of Polymer Crystallization Kinetics
Chinese Journal of Polymer Science, 2022R. Pérez-Camargo +3 more
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Kinetic Theory of Crystallization
physica status solidi (a), 1982A phenomenological approach is proposed to describe the variation with time of temperature and the amount of substance crystallized from the melt due to nucleation and nuclei growth. It is shown that depending on the heat withdrawal rate the set of relations for these values describes the main forms of transition from the liquid to the solid state ...
S. S. Vilkovskii, V. P. Naberezhnykh
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Crystallization kinetics of homopolymers: overall crystallization: a review
Biophysical Chemistry, 2004This paper is a brief review of the overall crystallization kinetics of synthetic homopolymers. The basic experimental results are presented and compared with theory that is currently available. It is found, surprisingly, that the more sophisticated theories do no better in explaining experimental results than does the free-growth approximation.
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