نتایج جستجو برای: melt extrusion

تعداد نتایج: 27926  

Journal: :Macromolecular Chemistry and Physics 2021

Front Cover: In article number 2000265 by Paul D. Dalton, Hans-Werner Schmidt, and co-workers, (AB)n copolymers composed of hydrophilic poly(ethylene glycol)-based segments bisurea segments, acting as physical crosslinks, are tailored for different melt-processing technologies. Defi ned 3D constructs can be made from extrusion-based printing melt electrowriting while a typical nonwoven morpholo...

2010
E. Franco - Urquiza O. O. Santana J. Gámez A. B. Martínez M. Ll. Maspoch

Films of EVOH copolymers, processed three times by twin-screw extrusion were prepared using a cast-film line. The variation on the melt flow rate (MFR) and rheological behaviour of the films were determined, as well as the thermal properties assessed by differential scanning calorimetry (DSC) and dynamic-mechanical thermal analysis (DMTA). As the results showed that the reprocessing induced an ...

Journal: :Drug Development and Industrial Pharmacy 2017

2012
Mohammed Maniruzzaman Joshua S. Boateng Martin J. Snowden Dennis Douroumis

Over the last three decades industrial adaptability has allowed hot-melt extrusion (HME) to gain wide acceptance and has already established its place in the broad spectrum of manufacturing operations and pharmaceutical research developments. HME has already been demonstrated as a robust, novel technique to make solid dispersions in order to provide time controlled, modified, extended, and targ...

2017
Sébastien Livi Luanda Chaves Lins Jakub Peter Hynek Benes Jana Kredatusova Ricardo K. Donato Sébastien Pruvost

In this work, phosphonium ionic liquids (ILs) based on tetra-alkylphosphonium cations combined with carboxylate, phosphate and phosphinate anions, were used for organic modification of layered double hydroxide (LDH). Two different amounts (2 and 5 wt %) of the organically modified LDHs were mixed with poly(butylene adipate-co-terephthalate) (PBAT) matrix by melt extrusion. All prepared PBAT/IL-...

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