Compression Strength of Gellan Gum Hydrogel Incorporated with Organo-Montmorillonite and Cloisite 15A

Saffawati Syazwani Mohd; Mohd Aidil Adhha Abdullah; Khairul Anuar Mat Amin

doi:10.4028/www.scientific.net/MSF.840.236

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HomeMaterials Science ForumMaterials Science Forum Vol. 840Compression Strength of Gellan Gum Hydrogel...

Compression Strength of Gellan Gum Hydrogel Incorporated with Organo-Montmorillonite and Cloisite 15A

Abstract:

The uniformly cross-linked gellan gum hydrogel with sodium montmorillonite (Na-MMT), organo-montmorillonite (CTAB-MMT) and Cloisite 15A were successfully prepared. The compression performances of the hydrogels were investigated. The results show that the GG hydrogels containing Cloisite 15A required smallest volume to achieve optimum compression stress, modulus and compression strain at 5% (w/w) compared to both Na-MMT and CTAB-MMT at 10% (w/w), respectively. The decrease in compression performances of gellan gum hydrogel at higher concentration containing those clays could be due to agglomeration process which created the entangled structure and bring up the brittleness of hydrogel properties. Overall, the presence of the clays significantly improved the mechanical performances of gellan gum hydrogels which beneficial to be used in tissue engineering.

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Periodical:

Materials Science Forum (Volume 840)

Pages:

236-239

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https://doi.org/10.4028/www.scientific.net/MSF.840.236

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Online since:

January 2016

Authors:

Saffawati Syazwani Mohd, Mohd Aidil Adhha Abdullah, Khairul Anuar Mat Amin*

Keywords:

Cloisite 15A, Compression, Gellan Gum, Hydrogel, Sodium Montmorillonite

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