نتایج جستجو برای: thermally induced phase separation

تعداد نتایج: 1640552  

Journal: :The Journal of chemical physics 2014
Vincent Testard Ludovic Berthier Walter Kob

We use large-scale molecular dynamics simulations of a simple glass-forming system to investigate how its liquid-gas phase separation kinetics depends on temperature. A shallow quench leads to a fully demixed liquid-gas system whereas a deep quench makes the dense phase undergo a glass transition and become an amorphous solid. This glass has a gel-like bicontinuous structure that evolves very s...

Journal: :International journal of hydrology 2023

In tissue engineering, polymer-based scaffolds play an important role via cell adhesion, proliferation, and regeneration in three-dimensional (3D) structures, exhibiting great potential a variety of tissues. For fabrication scaffolds, the particulate-leaching method thermally-induced phase separation (TIPS) are popular procedures. However, complete interconnectivity porous structure has not bee...

2002
Dr. Dean Johnson George Lutes

An active wide-band fiber optic frequency distribution system employing a thermally controlled phase compensator to stabilize phase variations induced by environmenkal temperaiure changes is described. The dishibution system utilizes bidirational ddwavekng th transmission to provide optical feedback of induced phase variations of 100 MHz signals propagating along the distribution cable. The pha...

Journal: Polyolefins Journal 2017

A polypropylene microporous membrane (PPMM) was fabricated by thermally induced phase separation (TIPS) method. The effects of protein size and structure as well as filtration pressure on the membrane performance and fouling mechanisms were investigated using two different proteins, bovine serum albumin (BSA) and collagen, in dead-end filtration setup. Obtained results showed that, for each pro...

Journal: Polyolefins Journal 2018

In this study, the response surface methodology (RSM) based on the central composite design (CCD) was used to optimize the preparation condition of polypropylene-grafted maleic anhydride (PP-g-MA) microporous membrane by thermally-induced phase separation (TIPS) method. A mixture of dibutyl phthalate (DBP) and dioctyl phthalate (DOP) was used as diluent. The effect of polymer composition and qu...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - پژوهشکده فنی و مهندسی 1388

asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...

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