A simple design of mechanically robust, recyclable, and biodegradable composite films with high thermal stability and fluorescent properties

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This article proposes a strategy for preparing advanced soy protein (SP)-based films by solution casting of SP and hydroxyl and primary amine-containing hyperbranched polysiloxane (HPSA). It offers a simple methodology for the design of mechanically robust, recyclable, and biodegradable composite films, which have potential applications in the fabrication of high-performance, high-transparency, and anti-counterfeiting packaging materials.

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Li, Jiongjiong; Jiang, Shuaicheng; Zhou, Ying; Li, Xiaona; Shi, Sheldon & Li, Jianzhang March 11, 2021.

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This article is part of the collection entitled: UNT Scholarly Works and was provided by the UNT College of Engineering to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 32 times. More information about this article can be viewed below.

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This article proposes a strategy for preparing advanced soy protein (SP)-based films by solution casting of SP and hydroxyl and primary amine-containing hyperbranched polysiloxane (HPSA). It offers a simple methodology for the design of mechanically robust, recyclable, and biodegradable composite films, which have potential applications in the fabrication of high-performance, high-transparency, and anti-counterfeiting packaging materials.

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10 p.

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Abstract: It remains a big challenge to fabricate biodegradable and recyclable soy protein (SP)-based composite films with great toughness, high strength, and large ductility. In this work, a facile strategy was proposed for preparing advanced SP-based films by simple solution casting of SP and hydroxyl and primary amine-containing hyperbranched polysiloxane (HPSA). The developed SP/HPSA2 film exhibited a high toughness of 17.63 MJ m⁻³ and a high tensile strength of 15.19 MPa, which was, respectively, 424.70% and 551.93% increase compared with that of the neat SP-based film. Additionally, the SP/HPSA2 film possessed a large strain at failure of 151.01%. The advanced mechanical properties can be interpreted by the toughening and reinforcing mechanism associated with the strain-induced deformation of HPSA as well as the multiple interfacial hydrogen-bonding interactions within the interphase. The composite films exhibited great recyclability due to the reversibility of non-covalent interactions confined in the matrix. Moreover, owing to the incorporation of the heat-resistant and fluorescent HPSA, the SP/HPSA films also possessed high thermal stability and great fluorescent properties. This work offers a simple methodology for the design of mechanically robust, recyclable, and biodegradable composite films, which have potential applications in the fabrication of high-performance, high-transparency, and anti-counterfeiting packaging materials.

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  • Polymer Testing, 97, Elsevier Science Ltd., March 11 2021, pp. 1-10

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  • Publication Title: Polymer Testing
  • Volume: 97
  • Article Identifier: 107162
  • Peer Reviewed: Yes

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  • March 11, 2021

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  • Oct. 21, 2021, 11:11 a.m.

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  • Nov. 9, 2021, 8:30 a.m.

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Li, Jiongjiong; Jiang, Shuaicheng; Zhou, Ying; Li, Xiaona; Shi, Sheldon & Li, Jianzhang. A simple design of mechanically robust, recyclable, and biodegradable composite films with high thermal stability and fluorescent properties, article, March 11, 2021; (https://digital.library.unt.edu/ark:/67531/metadc1852155/: accessed June 7, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT College of Engineering.

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