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Preparation and properties of sodium alginate films

  • Haydar U. Zaman EMAIL logo und Md. Dalour Hossen Beg
Veröffentlicht/Copyright: 12. November 2013
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Journal of Polymer Engineering
Aus der Zeitschrift Journal of Polymer Engineering Band 33 Heft 9

Abstract

Sodium alginate (SA) films were prepared by casting from methanol (MeOH) solutions and their tensile properties, like tensile strength (TS) and elongation at break (Eb %), were monitored. The resulting films of SA were photocured with vinyltriethoxysilane [H2C=CH–Si–(OC2H5)3] in order to improve the tensile properties. Several acrylic monomers of different functionalities as additives (2%), like ethyl acrylate (EA), 2-hydroxyethyl acrylate (2-HEA), and tripropylene glycol diacrylate (TPGDA), were incorporated with silane with the aid of UV radiation. Further analyses of the prepared films were characterized by Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA) and a TS test. FTIR studies indicate that there are intermolecular hydrogen bonding interactions, i.e., –OH·····O=C in silane/SA blends. This blend films also exhibited the higher thermal stability and improved the tensile properties of the films. Degradation of SA by UV spectrometry induces time-dependent degradation.

Keywords: film; silane; sodium alginate; tensile and thermal properties; UV degradation
Corresponding author: Haydar U. Zaman, Faculty of Chemical & Natural Resources Engineering, University of Malaysia Pahang, Gambang, Kuantan, Pahang Darul Makmur, Malaysia, e-mail:

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Received: 2013-6-25
Accepted: 2013-10-9
Published Online: 2013-11-12
Published in Print: 2013-12-01

©2013 by Walter de Gruyter Berlin Boston

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https://doi.org/10.1515/polyeng-2013-0146
Schlagwörter für diesen Artikel
film; silane; sodium alginate; tensile and thermal properties; UV degradation

Artikel in diesem Heft

  1. Masthead
  2. Masthead
  3. Original articles
  4. Solvent-initiator compatibility and sensitivity of conversion of styrene homo-polymerization
  5. Synthesis and effect of secondary dopant on the conductivity of conducting polymer polyaniline
  6. Potential utilization of recycled PET in comparison with liquid crystalline polymer as an additive for HDPE based composite fibers: Comparative investigation on mechanical performance of cross-ply laminates
  7. Study on the effect of virgin and recycled chloroprene rubber (vCR and rCR) on the properties of natural rubber/chloroprene rubber (NR/CR) blends
  8. Synthesis of a novel silicone based copolymeric surfactant and application in emulsion polymerization
  9. Post-irradiation effects on gamma-irradiated nylon 6,12 fibers
  10. Preparation and properties of sodium alginate films
  11. Study on crystallization and compatibility of nitrile butadiene rubber (NBR)/polyoxymethlene (POM) blends modified by a polyether polyol
  12. Polyamide grafting onto ethylene-vinyl alcohol copolymer
  13. Acoustic parameter investigation of polyvinyl acetate with acetic acid using ultrasonic technique
  14. Electrospun cellulosic structure nanofibre based on rice straw
  15. Function of silicon oil in the castor oil based rigid polyurethane foams
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