Enhancing water swelling ability and mechanical properties of water-swellable rubber by PAA/SBS nanofiber mats

Dehbari, N; Tavakoli, J; Zhao, J; Tang, Y

Enhancing water swelling ability and mechanical properties of water-swellable rubber by PAA/SBS nanofiber mats

Dehbari, N Tavakoli, J

Zhao, J Tang, Y

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Publisher:: WILEY-BLACKWELL
Publication Type:: Journal Article
Citation:: Journal of Applied Polymer Science, 2016, 133, (47)
Issue Date:: 2016-12-15

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Field	Value	Language
dc.contributor.author	Dehbari, N
dc.contributor.author	Tavakoli, J https://orcid.org/0000-0002-0696-6530
dc.contributor.author	Zhao, J
dc.contributor.author	Tang, Y
dc.date.accessioned	2022-08-13T21:36:00Z
dc.date.available	2022-08-13T21:36:00Z
dc.date.issued	2016-12-15
dc.identifier.citation	Journal of Applied Polymer Science, 2016, 133, (47)
dc.identifier.issn	0021-8995
dc.identifier.issn	1097-4628
dc.identifier.uri	http://hdl.handle.net/10453/160101
dc.description.abstract	Investigation of the potential use of nanofibers to reinforce composites has gained significance in many applications. In this article, the nanofiber mats of poly(acrylic acid) (PAA) and styrene–butadiene–styrene (SBS) triblock copolymer with composites structure were interweaved by double needle electrospinning process. The multiple nanofiber mats were added to conventional water-swellable rubber (WSR). Improved mechanical and physical properties of WSR were obtained. Enhancement of the swellability of WSR + PAA/SBS nanofiber mats was derived from the PAA constituent absorbing water from the surface into the bulk and introducing random internal water channels between discontinuous superabsorbent polymers. The role of SBS nanofibers in the composite of WSR + PAA/SBS nanofiber mats was more related to the mechanical properties, where the breaking force of the composite increased to twice that of the conventional WSR. Interestingly, after immersion of the WSR + PAA/SBS nanofiber mats in water for 1 week, there was only a slight decrease in their mechanical properties of less than 5% compared to the dry state. The mechanisms and effects of the nanofiber mats in enhancing the mechanical and water swelling properties of WSR are also discussed. © 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 44213.
dc.language	English
dc.publisher	WILEY-BLACKWELL
dc.relation.ispartof	Journal of Applied Polymer Science
dc.relation.isbasedon	10.1002/app.44213
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	03 Chemical Sciences, 09 Engineering
dc.subject.classification	Polymers
dc.title	Enhancing water swelling ability and mechanical properties of water-swellable rubber by PAA/SBS nanofiber mats
dc.type	Journal Article
utslib.citation.volume	133
utslib.for	03 Chemical Sciences
utslib.for	09 Engineering
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Strength - CHT - Health Technologies
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Biomedical Engineering
pubs.organisational-group	/University of Technology Sydney/Centre for Health Technologies (CHT)
utslib.copyright.status	closed_access	*
dc.date.updated	2022-08-13T21:35:59Z
pubs.issue	47
pubs.publication-status	Published
pubs.volume	133
utslib.citation.issue	47

Abstract:

Investigation of the potential use of nanofibers to reinforce composites has gained significance in many applications. In this article, the nanofiber mats of poly(acrylic acid) (PAA) and styrene–butadiene–styrene (SBS) triblock copolymer with composites structure were interweaved by double needle electrospinning process. The multiple nanofiber mats were added to conventional water-swellable rubber (WSR). Improved mechanical and physical properties of WSR were obtained. Enhancement of the swellability of WSR + PAA/SBS nanofiber mats was derived from the PAA constituent absorbing water from the surface into the bulk and introducing random internal water channels between discontinuous superabsorbent polymers. The role of SBS nanofibers in the composite of WSR + PAA/SBS nanofiber mats was more related to the mechanical properties, where the breaking force of the composite increased to twice that of the conventional WSR. Interestingly, after immersion of the WSR + PAA/SBS nanofiber mats in water for 1 week, there was only a slight decrease in their mechanical properties of less than 5% compared to the dry state. The mechanisms and effects of the nanofiber mats in enhancing the mechanical and water swelling properties of WSR are also discussed. © 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 44213.

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http://hdl.handle.net/10453/160101