Self-Healing Cellulose Nanocrystals-Containing Gels via Reshuffling of Thiuram Disulfide Bonds

Self-healing gels based on reshuffling disulfide bonds have attracted great attention due to their ability to restore structure and mechanical properties after damage. In this work, self-healing gels with different cellulose nanocrystals (CNC) contents were prepared by embedding the thiuram disulfid...

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Main Authors: Wenyan Li, Shengchang Lu, Mengchan Zhao, Xinxing Lin, Min Zhang, He Xiao, Kai Liu, Liulian Huang, Lihui Chen, Xinhua Ouyang, Yonghao Ni, Hui Wu
Format: Article
Language:English
Published: MDPI AG 2018-12-01
Series:Polymers
Subjects:
Online Access:https://www.mdpi.com/2073-4360/10/12/1392
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author Wenyan Li
Shengchang Lu
Mengchan Zhao
Xinxing Lin
Min Zhang
He Xiao
Kai Liu
Liulian Huang
Lihui Chen
Xinhua Ouyang
Yonghao Ni
Hui Wu
author_facet Wenyan Li
Shengchang Lu
Mengchan Zhao
Xinxing Lin
Min Zhang
He Xiao
Kai Liu
Liulian Huang
Lihui Chen
Xinhua Ouyang
Yonghao Ni
Hui Wu
author_sort Wenyan Li
collection DOAJ
description Self-healing gels based on reshuffling disulfide bonds have attracted great attention due to their ability to restore structure and mechanical properties after damage. In this work, self-healing gels with different cellulose nanocrystals (CNC) contents were prepared by embedding the thiuram disulfide bonds into gels via polyaddition. By the reshuffling of thiuram disulfide bonds, the CNC-containing gels repair the crack and recover mechanical properties rapidly under visible light in air. The thiuram disulfide-functionalized gels with a CNC content of 2.2% are highly stretchable and can be stretched approximately 42.6 times of their original length. Our results provide useful approaches for the preparation of dynamic CNC-containing gels with implications in many related engineering applications.
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spelling doaj.art-5d9eba96f28649008b607fd11bb145002022-12-22T03:53:32ZengMDPI AGPolymers2073-43602018-12-011012139210.3390/polym10121392polym10121392Self-Healing Cellulose Nanocrystals-Containing Gels via Reshuffling of Thiuram Disulfide BondsWenyan Li0Shengchang Lu1Mengchan Zhao2Xinxing Lin3Min Zhang4He Xiao5Kai Liu6Liulian Huang7Lihui Chen8Xinhua Ouyang9Yonghao Ni10Hui Wu11College of Material Engineering, Fujian Agriculture and Forestry University, No. 63, Xiyuangong Road, Fuzhou 350108, ChinaCollege of Material Engineering, Fujian Agriculture and Forestry University, No. 63, Xiyuangong Road, Fuzhou 350108, ChinaCollege of Material Engineering, Fujian Agriculture and Forestry University, No. 63, Xiyuangong Road, Fuzhou 350108, ChinaCollege of Material Engineering, Fujian Agriculture and Forestry University, No. 63, Xiyuangong Road, Fuzhou 350108, ChinaCollege of Material Engineering, Fujian Agriculture and Forestry University, No. 63, Xiyuangong Road, Fuzhou 350108, ChinaCollege of Material Engineering, Fujian Agriculture and Forestry University, No. 63, Xiyuangong Road, Fuzhou 350108, ChinaCollege of Material Engineering, Fujian Agriculture and Forestry University, No. 63, Xiyuangong Road, Fuzhou 350108, ChinaCollege of Material Engineering, Fujian Agriculture and Forestry University, No. 63, Xiyuangong Road, Fuzhou 350108, ChinaCollege of Material Engineering, Fujian Agriculture and Forestry University, No. 63, Xiyuangong Road, Fuzhou 350108, ChinaCollege of Material Engineering, Fujian Agriculture and Forestry University, No. 63, Xiyuangong Road, Fuzhou 350108, ChinaCollege of Material Engineering, Fujian Agriculture and Forestry University, No. 63, Xiyuangong Road, Fuzhou 350108, ChinaCollege of Material Engineering, Fujian Agriculture and Forestry University, No. 63, Xiyuangong Road, Fuzhou 350108, ChinaSelf-healing gels based on reshuffling disulfide bonds have attracted great attention due to their ability to restore structure and mechanical properties after damage. In this work, self-healing gels with different cellulose nanocrystals (CNC) contents were prepared by embedding the thiuram disulfide bonds into gels via polyaddition. By the reshuffling of thiuram disulfide bonds, the CNC-containing gels repair the crack and recover mechanical properties rapidly under visible light in air. The thiuram disulfide-functionalized gels with a CNC content of 2.2% are highly stretchable and can be stretched approximately 42.6 times of their original length. Our results provide useful approaches for the preparation of dynamic CNC-containing gels with implications in many related engineering applications.https://www.mdpi.com/2073-4360/10/12/1392cellulosedisulfidegelself-healing
spellingShingle Wenyan Li
Shengchang Lu
Mengchan Zhao
Xinxing Lin
Min Zhang
He Xiao
Kai Liu
Liulian Huang
Lihui Chen
Xinhua Ouyang
Yonghao Ni
Hui Wu
Self-Healing Cellulose Nanocrystals-Containing Gels via Reshuffling of Thiuram Disulfide Bonds
Polymers
cellulose
disulfide
gel
self-healing
title Self-Healing Cellulose Nanocrystals-Containing Gels via Reshuffling of Thiuram Disulfide Bonds
title_full Self-Healing Cellulose Nanocrystals-Containing Gels via Reshuffling of Thiuram Disulfide Bonds
title_fullStr Self-Healing Cellulose Nanocrystals-Containing Gels via Reshuffling of Thiuram Disulfide Bonds
title_full_unstemmed Self-Healing Cellulose Nanocrystals-Containing Gels via Reshuffling of Thiuram Disulfide Bonds
title_short Self-Healing Cellulose Nanocrystals-Containing Gels via Reshuffling of Thiuram Disulfide Bonds
title_sort self healing cellulose nanocrystals containing gels via reshuffling of thiuram disulfide bonds
topic cellulose
disulfide
gel
self-healing
url https://www.mdpi.com/2073-4360/10/12/1392
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