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Synthesis of spherical porous cross-linked glutaraldehyde/poly(vinyl alcohol) hydrogels

  • Sadao Araki EMAIL logo , Yuko Shirakura , Harufumi Suzuki and Hideki Yamamoto EMAIL logo
Published/Copyright: February 27, 2016
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Journal of Polymer Engineering
From the journal Journal of Polymer Engineering Volume 36 Issue 9

Abstract

Spherical glutaraldehyde cross-linked poly(vinyl alcohol) (PVA) hydrogels (G-PVA) were prepared in three steps: gelatification, cross-linking, and removal of alginate. Gelatification was carried out by dropping a solution of alginate, PVA, and glutaraldehyde into a calcium chloride solution to form calcium alginate. Calcium alginate gels were prepared at 20°C, 40°C, 60°C, and 80°C to study the effect of gelatification temperature on the formation of pores on the surface of G-PVA. The effect of the alginate content was studied. PVA and glutaraldehyde were cross-linked by immersion of the gels in a solution of H2SO4 and Na2SO4. The effect of sodium alginate and inorganic salts, such as MgSO4 and K2SO4, on the formation of pores on the surface of G-PVA was confirmed.

Keywords: alginate; glutaraldehyde; hydrogel; phase separation; poly(vinyl alcohol)
Corresponding authors: Sadao Araki and Hideki Yamamoto, Faculty of Environmental and Urban Engineering, Department of Chemical, Energy and Environmental Engineering, Kansai University, 3-3-35 Yamate-cho, Suita, Osaka 564-8680, Japan, e-mail: (Sadao Araki); (Yideki Yamamoto)

Acknowledgments

This work was partially supported by the MEXT-Supported Program for the Strategic Research Foundation at Private Universities, 2012-2016 (S1201026). We appreciate the valuable cooperation of Kuraray Co., Ltd. for this research.

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Received: 2015-9-22
Accepted: 2015-11-30
Published Online: 2016-2-27
Published in Print: 2016-11-1

©2016 Walter de Gruyter GmbH, Berlin/Boston

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  2. Original articles
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https://doi.org/10.1515/polyeng-2015-0413
Keywords for this article
alginate; glutaraldehyde; hydrogel; phase separation; poly(vinyl alcohol)

Articles in the same Issue

  1. Frontmatter
  2. Original articles
  3. Preparation and characterization of graphene oxide/PMMA nanocomposites with amino-terminated vinyl polydimethylsiloxane phase interfaces
  4. Effect of exfoliated graphite nanoplatelets on thermal and heat deflection properties of kenaf polypropylene hybrid nanocomposites
  5. Synthesis of spherical porous cross-linked glutaraldehyde/poly(vinyl alcohol) hydrogels
  6. Influence of process parameters on property of PP/EPDM blends prepared by a novel vane extruder
  7. Influence of processing conditions on heat sealing behavior and resultant heat seal strength for peelable heat sealing of multilayered polyethylene films
  8. Thermal degradation kinetics and lifetime of HDPE/PLLA/pro-oxidant blends
  9. Effect of notch sensitivity on the mechanical properties of HA/PEEK functional gradient biocomposites
  10. The influence of melt mixing on the stability of cellulose acetate and its carbon nanotube composites
  11. Experimental analysis of resin infusion in air cushion method
  12. 3D-MID manufacturing via laser direct structuring with nanosecond laser pulses
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