[HTML][HTML] Orientation-induced crystallization of isotactic polypropylene

Q Liu, X Sun, H Li, S Yan - Polymer, 2013 - Elsevier
In polymer processing operations, the molten polymer chains are frequently subjected to
shear or/and elongation flow fields, which will produce molecular chain orientation of the …

Understanding flow-induced crystallization in polymers: A perspective on the role of molecular simulations

RS Graham - Journal of Rheology, 2019 - pubs.aip.org
Flow-induced crystallization in polymers is an important problem in both fundamental
polymer science and industrial polymer processing. The key process of flow-induced …

Extruded PLA/clay nanocomposite foams blown with supercritical CO2

M Keshtkar, M Nofar, CB Park, PJ Carreau - Polymer, 2014 - Elsevier
The effects of nanoclay (Cloisite 30B) on the foamability of polylactide (PLA) were
investigated in continuous extrusion foaming using supercritical CO 2 as the blowing agent …

Effect of processing on the crystalline orientation, morphology, and mechanical properties of polypropylene cast films and microporous membrane formation

SH Tabatabaei, PJ Carreau, A Ajji - Polymer, 2009 - Elsevier
Cast films of a high molecular weight linear polypropylene (L-PP) were prepared by
extrusion followed by stretching using a chill roll. An air knife was employed to supply air to …

Crystallization and dissolution of flow-induced precursors

L Balzano, N Kukalyekar, S Rastogi, GWM Peters… - Physical review …, 2008 - APS
We make use of a specially synthesized linear high density polyethylene with a bimodal
molecular weight distribution (MWD) to demonstrate that it is possible to produce a …

Scanning nanocalorimetry at high cooling rate of isotactic polypropylene

F De Santis, S Adamovsky, G Titomanlio… - Macromolecules, 2006 - ACS Publications
A wide set of cooling scans and subsequent melting behavior of isotactic polypropylene (i-
PP) were investigated using differential scanning calorimetry and nanocalorimetry at very …

Flow memory and stability of shear-induced nucleation precursors in isotactic polypropylene

D Cavallo, F Azzurri, L Balzano, SS Funari… - …, 2010 - ACS Publications
The dissolution of flow-induced nucleation precursors in isotactic polypropylene is
investigated indirectly by means of in situ rheo-SAXS measurements. The progress of …

[LIBRO][B] Crystallization modalities in polymer melt processing

H Janeschitz-Kriegl - 2018 - Springer
It seems that the date, when a manuscript is ready for print, is not always the moment, when
the author is convinced that no further improvements will become necessary. This …

Shear-induced nucleation and growth in isotactic polypropylene

R Pantani, I Coccorullo, V Volpe, G Titomanlio - Macromolecules, 2010 - ACS Publications
The possibility of controlling the final morphology, and thus the resulting mechanical and
functional properties, of semicrystalline polymers based on the study of polymer …

Coarse-grained simulations of flow-induced nucleation in semicrystalline polymers

RS Graham, PD Olmsted - Physical Review Letters, 2009 - APS
We perform kinetic Monte Carlo simulations of flow-induced nucleation in polymer melts with
an algorithm that is tractable even at low undercooling. The configuration of the …