Results 241 to 250 of about 6,794,876 (284)

Confined Mg²⁺-Directed Interfacial Evolution of Primary Structural Units of Mg-MOF-74 on Platelet Clinoptilolite for CO₂/CH₄, CH₄/N₂, and CO₂/N₂ Separations. [PDF]

Gels
Sun N, Ma T, Liu S, Munir T, Xu B, Sun J.   +5 more
europepmc   +1 more source

Stress induced crystallization in elongational flow

, 2001
openaire   +1 more source

Modeling flow-induced crystallization of polymers

, 2005
Steenbakkers, R.J.A., Peters, G.W.M., Meijer, H.E.H.   +2 more
openaire   +1 more source

Flow Induced Crystallization in Isotactic Polypropylene During and After Flow

Polymer, 2014
Using a unique slit flow device and in situ synchrotron X-ray methods, the entire evolution of flow induced crystallization in isotactic polypropylene (iPP) was studied from the start-up of flow up to completion of crystallization. Two WAXD detectors, including the ultrafast Pilatus and the two-dimensional Frelon, were combined to achieve a sufficient ...
Gerrit W M Peters, Giuseppe Portale, Luigi Balzano   +2 more
exaly   +3 more sources

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Flow-induced crystallization of polylactides

Journal of Rheology, 2022
In this work, the flow-induced crystallization of two polylactides (PLAs) with different microstructures (different l-lactic acid contents) is studied using simple shear, uniaxial extension and capillary flow experiments. In a simple shear and capillary flow, an increase in shear rate and a decrease in temperature were found to enhance the ...
Ziyue Zhang, Savvas G. Hatzikiriakos
openaire   +1 more source

Effects of the Degree of Undercooling on Flow Induced Crystallization in Polymer Melts

Polymer, 2004
This study investigates the coupled effects of mild shear flow and temperature on the crystallization behavior of two thermoplastic polymers, namely, an isotactic polypropylene and an isotactic poly(1-butene).
Nino Grizzuti, Pier Luca Maffettone, Luigi Balzano   +2 more
exaly   +2 more sources

Modeling Flow-Induced Crystallization in Isotactic Polypropylene at High Shear Rates [PDF]

Journal of Rheology, 2015
A model is presented to describe flow-induced crystallization in isotactic polypropylene at high shear rates. This model incorporates nonlinear viscoelasticity, compressibility, and nonisothermal process conditions due to shear heating and heat release ...
Gerrit W M Peters, Martien A. Hulsen, Zhe Ma   +2 more
exaly   +2 more sources

Flow-induced crystallization of polypropylenes in capillary flow

Rheologica Acta, 2014
In this paper, the flow-induced crystallization (FIC) behavior of various polypropylenes with different molecular characteristics was investigated using a capillary rheometer. The Cogswell analysis was applied on the capillary data to obtain the apparent extensional strain rate and strain as well as the apparent extensional viscosity.
Maziar Derakhshandeh, Bashar Jazrawi, George Hatzikiriakos, Antonios K. Doufas, Savvas G. Hatzikiriakos   +4 more
openaire   +1 more source