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Elasticity Study of PAAm-kappa C Composite Prepared in Various kappa C Content and Measured at Several Temperatures

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Date
2015
Author
Evingür, Gülşen Akin
Pekcan, Önder
Abstract
Polyacrylamide (PAAm)-kappa carrageenan (kappa C) composite gels were prepared via free radical crosslinking copolymerization with various (w/v) percentages of kappa C in the range between 0.5 and 3 (w/v)% of kappa C . Elasticity properties such as stress strain and compressive elastic modulus S of these composite gels were studied in various kappa C content and at several temperatures. The content and temperature dependence of the compressive elastic modulus S of the swollen PAAm-kappa C composite gels due to volume phase transition were produced by using tensile testing technique. It is understood that the compressive elastic modulus was found to decrease up to 1 (w/v)% of kappa C and then increase by increasing kappa C contents at constant temperatures. The composite preserves the ability to undergo the volume phase transition and its compressive elastic modulus is found to be strongly dependent on the kappa C content and temperature. It is observed that the compressive elastic modulus increased when temperature is increased up to 40 degrees C and then decreases below this temperature for all composite gels. However PAAm-kappa C composite gel presented lower values for the compressive elastic modulus showing a minima at 40 degrees C for 1 (w/v)% of kappa C content gel.

Source

Acta Physica Polonica A

Issue

3

Volume

128

Pages

331-335

URI

https://hdl.handle.net/20.500.12469/576
https://dx.doi.org/10.12693/APhysPolA.128.331

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  • Araştırma Çıktıları / Scopus [1319]
  • Araştırma Çıktıları / WOS [1335]
  • Biyoinformatik ve Genetik / Bioinformatics and Genetics [212]

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DSpace software copyright © 2002-2015  DuraSpace
Contact Us | Send Feedback
Theme by 
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