نتایج جستجو برای: hybrid silica membranes

تعداد نتایج: 318441  

2005
Clément Sanchez Beatriz Julián Philippe Belleville Michael Popall

Organic–inorganic hybrid materials do not represent only a creative alternative to design new materials and compounds for academic research, but their improved or unusual features allow the development of innovative industrial applications. Nowadays, most of the hybrid materials that have already entered the market are synthesised and processed by using conventional soft chemistry based routes ...

2015
Rafael Meinusch Kristof Hormann Romana Hakim Ulrich Tallarek Bernd M. Smarsly

Compared with pure silica-based or organic-polymer monoliths, hybrid organic-silica monoliths offer the combined advantages of mechanically strong stationary phases, simpler preparation protocols, resistance to swelling and shrinking in many solvents and better pH stability. Comprehensive data on the systematic characterization of the pore space morphology of hybrid organic-silica monoliths and...

Journal: :Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 2022

South Kalimantan-Indonesia is in the Southern part of Borneo which almost half population lives remote areas. Geographically, people are isolated and have poor access to electricity as well a clean water supply. It very essential ensure availability produced from peat overcome future shortages. This work performs fabrication multi-channel silica-based membranes applied for ultrafiltration demon...

Journal: :Chemical communications 2009
Happy Tan Nicole Siuyun Liu Beiping He Siew Yee Wong Zhi-Kuan Chen Xu Li John Wang

A stable aqueous dispersion of hybrid silica nanocapsules encapsulating fluorescent conjugated polymers have been successfully synthesized via a facile and highly benign approach of templated condensation of silica precursors at the core-corona interface of PEO-based block copolymer micelles.

Journal: :Langmuir : the ACS journal of surfaces and colloids 2009
Zhen Meng Chunyan Xue Qiuhong Zhang Xuehai Yu Kai Xi Xudong Jia

Highly monodisperse hybrid spherical silica nanoparticles with diameters ranging from 30 to 200 nm were prepared by a one-step emulsion polymerization in aqueous solution. In contrast with the former method for preparing the hybrid silica materials, our method has three advantages. (1) Through this one-pot route, hybrid silica particles with organic functional groups on the surface are prepared...

K.C. Khulbe, T. Matsuura

Reverse osmosis (RO) is a water purifcation technology that uses a semipermeable membrane to remove ions, molecules, and larger particles for the production of drinking water. The frst RO membrane for seawater desalination, wastewater treatment and other applications were made of cellulose acetate. But, the polyamide thin-flm composite membrane that can tolerate wide pH...

Journal: :Chemical communications 2014
Meihua Yu Surajit Karmakar Jie Yang Hongwei Zhang Yannan Yang Peter Thorn Chengzhong Yu

A facile approach has been developed to prepare ultra-small hybrid silica spheres with a diameter of ∼10 nm, which show highly enhanced penetration ability in 3D glioma spheroids compared to conventional mesoporous silica nanoparticles.

1996

to either aluminum ions or surface hydroxyls and can result in the formation of a surface alkoxide. The properties of inorganic membranes are dependent on the The purpose of this note is to illustrate the effects of heat treatment and surface chemistry of the material, which in turn are affected by chemisorption of organic molecules on the permeability characteristics of parameters such as temp...

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