Tough Hydrogels Based on Macromicelles as Crosslinkers with pH and Ion Sensitive Properties

Rui Jia Yan; Yan Zi Yan; Jing Hong Ma; Jing Hua Gong

doi:10.4028/www.scientific.net/MSF.944.537

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Preparation and Properties of Reflective Heating Polyethylene Terephthalate Fiber
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Effect of SiC Additions on Microstructure Evolution and Mechanical Properties of W-Based Composite Prepared by Arc-Melting
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Tough Hydrogels Based on Macromicelles as Crosslinkers with pH and Ion Sensitive Properties
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Continuous Fabrication of Temperature-Responsive Hydrogel Fibers with Bilayer Structure by Microfluidic Spinning
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The Bending Behavior of Porous Titanium Manufactured Using a Novel Spherical Space Holder
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HomeMaterials Science ForumMaterials Science Forum Vol. 944Tough Hydrogels Based on Macromicelles as...

Tough Hydrogels Based on Macromicelles as Crosslinkers with pH and Ion Sensitive Properties

Abstract:

Stimuli-sensitive hydrogels crosslinked by macromolecular micelles usually present good mechanical properties. In this paper, a novel kind of pH and ion sensitive hydrogels with high toughness and strength were prepared using Pluronic F127 diacrylate (F127DA) as crosslinking centers for the free radical copolymerization of acrylamide (AM) and methacrylate (MA) monomers. These hydrogels showed high strength and tensibility with elongation at break of 1208%, fracture stress of 328 kPa and toughness of 1.80 MJ/m^-3. The hydrogels not only exhibited enhancement of mechanical performance, but also achieved sensitive response to changes of pH and ionic strength, making an approach for the development of applications in drug delivery and sensors.

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Periodical:

Materials Science Forum (Volume 944)

Pages:

537-542

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.944.537

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Online since:

January 2019

Authors:

Rui Jia Yan, Yan Zi Yan, Jing Hong Ma*, Jing Hua Gong

Keywords:

Hydrogels, Ion-Sensitivity, Micelles Crosslinked, pH-Sensitivity, Tough

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