نتایج جستجو برای: crosslinked polymeric blend

تعداد نتایج: 40240  

2011
P. Ramakrishna

Carbohydrate polymeric blend microspheres consisting of chitosan (CS) and poly (vinyl alcohol) (PVA) were prepared by water-in-oil (W/O) emulsion method. These microspheres were crosslinked with glutaraldehyde and loaded with Acebutolol HCl, an anti hypertensive drug. The microspheres were characterized by Fourier transform infrared spectroscopy (FTIR), Differential scanning calorimetry (DSC), ...

Journal: :Nanoscale 2010
Ying Zhu Dayong Yang Hongwei Ma

We report a one-step method to prepare porous polymeric microcages from blend emulsion solutions via electrified jetting.

Journal: :Turkish journal of engineering 2021

Electrospinning is a well-known technique that produces polymeric nanofibers using an electrically driven jet of polymer solution. Due to unique properties such as high surface area, porosity, tensile strength and extensibility the materials produced by electrospinning, several applications them in protective clothing, space technology, filtration tissue engineering have been proposed investiga...

2015
Rui Li Zixuan Chen Jianzhong Pei Lloyd M. Robeson

The copolymer VAMA was synthesized from vinyl acetic and maleic anhydride. A new all-polymeric blend with a high dielectric constant (ε) has been developed by blending polyvinylidene fluoride (PVDF) with vinyl acetic-maleic anhydride modified polyamide (PA66-g-VM). The blend shows high dielectric constants (εblend = 20) and excellent mechanical properties. The SEM investigations suggest that th...

2012
C.Sollogoub A.Guinault

The control of blend morphologies during process is of prime importance in order to predict the final properties of polymer blends. A coextrusion technique combined with static mixers was developed in order to smartly blend polymeric melts and to optimize the blend morphologies during the flow in static mixers [1]. The aim of this paper is to study the evolution of those blend morphologies duri...

2009
Bin Mu Ruoping Shen Peng Liu

A facile approach for the preparation of crosslinked polymeric nanocapsules was developed by the combination of the surface-initiated atom transfer radical polymerization and ultraviolet irradiation crosslinking techniques. The well-defined polystyrene grafted silica nanoparticles were prepared via the SI-ATRP of styrene from functionalized silica nanoparticles. Then the grafted polystyrene cha...

Blend reverse osmosis membranes were fabricated using polyvinyl chloride (PVC) with cellulose acetate (CA) as polymer blends. Tetrahydrofuran (THF) and N-Methyl-2-pyrrolidone (NMP) were used as solvents. The membrane polymer solution was cast on a coated woven fabric support material. The prepared membranes have been characterized by SEM and mechanical properties. SEM r...

Journal: :Nanoscale 2013
Fuwu Zhang Mahmoud Elsabahy Shiyi Zhang Lily Yun Lin Jiong Zou Karen L Wooley

Polymeric micelles and shell crosslinked knedel-like (SCK) nanoparticles were loaded with up to 48% (w/w) cisplatin. These spherical cisplatin-loaded nanoparticles displayed sustained platinum release over 5 days in PBS, enhanced stability over free cisplatin in aqueous milieu, and significant antitumor activity in vitro against two cancer cell lines.

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