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author:

Xia, Biao (Xia, Biao.) [1] | Li, Zhou (Li, Zhou.) [2] | Lin, Tengfei (Lin, Tengfei.) [3] (Scholars:林腾飞) | Gao, Min (Gao, Min.) [4] (Scholars:高旻) | Zhao, Chunlin (Zhao, Chunlin.) [5] (Scholars:赵纯林) | Wu, Xiao (Wu, Xiao.) [6] (Scholars:吴啸) | Lin, Cong (Lin, Cong.) [7] (Scholars:林枞) | Wang, Jinyun (Wang, Jinyun.) [8]

Indexed by:

EI Scopus SCIE

Abstract:

Shape memory polymers (SMPs), as a type of smart material, play a significant role in practical applications. Unlike the hot programming of SMPs, the cold programming of SMPs does not require preheating. They can undergo deformation and fix a temporary shape at a specific temperature and can be restored upon heating. SMPs typically require internal cross-linking to "remember" their permanent shape. However, cross-linked materials cannot be recycled, resulting in resource waste and environmental pollution. Drawing inspiration from dynamic covalent cross-linking technology, for the first time, this paper integrates the cold-programmed shape memory effect into thermadapt SMPs with syndiotactic 1,2-polybutadiene (SPB) as the matrix. To construct a thermadapt SMPs, this paper first obtained epoxidized syndiotactic 1,2-polybutadiene (ESPB) by epoxidizing SPB. Then, ESPB was mixed with carboxy-terminated liquid polybutadiene rubber (CTPB), resulting in the formation of beta-hydroxyl ester dynamic bonds within the material. By regulating the internal cross-linking structure, its glass transition temperature (T-g) can be controlled. Furthermore, the molecular chain of the composite has a regular structure that enables stretching-induced crystallization. This enhances the material's ability to retain its temporary shape during cold programming. This paper provides a feasible and straightforward approach for the preparation of recyclable thermadapt SMPs with cold-programmed shape memory effect and paves the way for the recycling and long-term utilization of SMPs.

Keyword:

cold programming recycling self-healing strain-induced crystallization thermadapt shape memory polymers

Community:

  • [ 1 ] [Xia, Biao]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 2 ] [Li, Zhou]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 3 ] [Lin, Tengfei]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 4 ] [Gao, Min]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 5 ] [Zhao, Chunlin]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 6 ] [Wu, Xiao]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 7 ] [Lin, Cong]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 8 ] [Wang, Jinyun]Northwestern Polytech Univ, Coll Phys Sci & Technol, Xian 710072, Peoples R China

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Source :

ACS APPLIED POLYMER MATERIALS

ISSN: 2637-6105

Year: 2023

Issue: 1

Volume: 6

Page: 102-114

4 . 5

JCR@2023

4 . 5 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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