نتایج جستجو برای: pickering emulsion polymerization

تعداد نتایج: 41766  

2015
Shintaro Kawano Toshiyuki Kida Mitsuru Akashi Hirofumi Sato Motohiro Shizuma Daisuke Ono

BACKGROUND Emulsions stabilized by colloidal particles are known as Pickering emulsions. To date, soft microgel particles as well as inorganic and organic particles have been utilized as Pickering emulsifiers. Although cyclodextrin (CD) works as an attractive emulsion stabilizer through the formation of a CD-oil complex at the oil-water interface, a high concentration of CD is normally required...

Journal: :quarterly journal of applied chemical research 2015
mojgan mirzataheri shahram khamisabadi ali salimi

Journal: :Biomacromolecules 2021

Pickering inverse emulsions of hydroxyl oligoethylene glycol methacrylate were stabilized in isopropyl myristate, a biofriendly oil, using surface-modified cellulose nanocrystals (CNCs) as stabilizing particles. The further polymerized by free or controlled radical polymerization (ATRP), taking advantage the bromoisobutyrate functions grafted on CNC surface. Suspension emulsion led to full bead...

2016
Matthew J. Rymaruk Kate L. Thompson Matthew J. Derry Nicholas J. Warren Liam P. D. Ratcliffe Clive N. Williams Steven L. Brown Steven P. Armes

We report the preparation of highly transparent oil-in-water Pickering emulsions using contrast-matched organic nanoparticles. This is achieved via addition of judicious amounts of either sucrose or glycerol to an aqueous dispersion of poly(glycerol monomethacrylate)56-poly(2,2,2-trifluoroethyl methacrylate)500 [PGMA-PTFEMA] diblock copolymer nanoparticles prior to high shear homogenization wit...

Journal: :Advanced materials 2010
Vivian O Ikem Angelika Menner Tommy S Horozov Alexander Bismarck

Effect of additives on the pore structure of polymer foams obtained from Pickering HIPE templates Various routes were investigated to create pore throats in closed-celled poly-Pickering-HIPEs; we tried to dissolve the silica particles used as emulsifiers out of the thin films separating individual pores by adding NaOH into the aqueous phase, which resulted indeed in the formation of interconnec...

Journal: :Materials Letters 2021

An Al-based Metal-Organic Framework (MOF) obtained from Li-ion battery wastes as an upcycled material has been shaped a hierarchically porous solid monolith. This original method is based on the stabilization of Pickering High Internal Phase Emulsion (HIPE) by MOF particles that conducts to formation monolith after polymerization aqueous continuous phase and elimination organic internal emulsio...

2007

A number of processes are available: condensation-, interfacial-, suspensionand emulsion-polymerization. Suspension and emulsion polymerization are the preferred methods for the commercial production of polymer microsphere carrier particles and reference/standard particles for calibration of scientific instruments. In general, emulsion polymerization produces a smaller particle size and a narro...

2016
Guangzhao Zhang Chaoyang Wang

The biodegradable cellular capsule, being prepared from simple vaporization of liquid marbles, is an ideal vehicle for the potential application of drug encapsulation and release. This paper reports the fabrication of cellular capsules via facile vaporization of Pickering emulsion marbles in an ambient atmosphere. Stable Pickering emulsion (water in oil) was prepared while utilizing dichloromet...

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