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Carbohydr Polym ; 240: 116318, 2020 Jul 15.
Artículo en Inglés | MEDLINE | ID: mdl-32475581

RESUMEN

Cellulose is a natural material with dissolution-regeneration property and numerous hydrogen bonds in the molecule. By utilizing these properties, this paper reported the development of a multi-functional fabric consisting of cellulose and commercial cotton fabric. The morphology, mechanical and thermal properties along with the oil-water separation performance of the developed material were studied. The results showed that the cellulose dissolved in NaOH/urea solution was regenerated in a salt solution, and attached tightly onto the cotton fabric, forming a sandwich structure for the material. Such modification significantly enhanced the strength, thermal stability and hydrophilic performance of the fabrics. Interestingly, the prepared material exhibited a unique underwater oleophobic performance, and had the capability to separate highly emulsified oil-water mixtures. The relatively low cost for the material preparation, enhanced mechanical property and high separation performance distinguished the developed material a suitable candidate for the separation of emulsified oil from water in practical applications.


Asunto(s)
Celulosa/química , Fibra de Algodón , Aceites/química , Agua/química , Emulsiones , Interacciones Hidrofóbicas e Hidrofílicas , Polisorbatos/química , Hidróxido de Sodio/química , Solventes/química , Tensoactivos/química , Resistencia a la Tracción , Urea/química
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