Hollow Fiber Membrane Made of Ethylene-Vinyl alcohol Copolymer
نویسندگان
چکیده
منابع مشابه
Characteristics of ethylene vinyl alcohol copolymer (EVAL) mixtures.
PURPOSE To determine physical characteristics of mixtures of ethylene vinyl alcohol copolymer (EVAL) and metrizamide dissolved in dimethyl sulfoxide, liquid materials developed for embolization of arteriovenous malformations. METHODS EVAL and dimethyl sulfoxide were mixed in various proportions and sterilized. The viscosity and density of each mixture was measured. Precipitation times were de...
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hydrolysis of ethylene-vinyl acetate copolymer in alkaline conditions using two systems of naoh/methanol and koh/isopropanol has been studied and the formation of ethylene-vinyl alcohol copolymer was systematically examined using nmr spectroscopy and dsc measurements. vinyl acetate weight percentage and the degree of hydrolysis were calculated from nmr spectroscopy and it is shown that hydrolys...
متن کاملProtein adsorption and desorption behavior of a pH-responsive membrane based on ethylene vinyl alcohol copolymer
Protein adsorption and desorption behavior was investigated for a pH-responsive ethylene vinyl alcohol copolymer (EVAL) membrane with an interconnected porous structure. The transition of electrostatic behavior and conformation change of the poly(dimethylaminoethyl methacrylate) (poly(DMAEMA)) chain contributed to the pH-responsive protein adsorption and desorption. Protein adsorption was condu...
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In this study, polyphenylsulfone (PPSU) hollow fiber membrane was fabricated via a wet spinning method with the addition of ethylene glycol (EG) in the range of 0-10 wt% as the additive. The EG was added to improve the membrane pore formation and interconnectivity for better membrane contactor performance in extracting and removing the free fatty acid (FFA) from crude palm oil (CPO). Four diffe...
متن کاملEmbolization of intracranial arteriovenous malformations with ethylene-vinyl alcohol copolymer (Onyx).
BACKGROUND AND PURPOSE Endovascular therapy of intracranial arteriovenous malformations (AVMs) is increasingly used. However, it is still under discussion which embolic material is optimal. We report our experience in the treatment of AVMs with ethylene-vinyl alcohol copolymer (Onyx). MATERIALS AND METHODS Between July 2002 and January 2008, brain AVMs were embolized with Onyx in 82 consecuti...
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ژورنال
عنوان ژورنال: Sen'i Gakkaishi
سال: 1993
ISSN: 0037-9875,1884-2259
DOI: 10.2115/fiber.49.6_p210