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author:

Hu, Xulian (Hu, Xulian.) [1] | Wang, Hu (Wang, Hu.) [2] | Zhou, Zhaoxi (Zhou, Zhaoxi.) [3] | Chen (Chen.) [4] | Hong, Maochun (Hong, Maochun.) [5] | Fu, Heqing (Fu, Heqing.) [6]

Indexed by:

EI Scopus SCIE

Abstract:

Microcapsules loading with healing agents are constantly used in engineered self-healing materials. But the synthesis of epoxy resin composites with excellent self-healing effect remains a major challenge. In this paper, 3-(Trimethoxysilyl)propyl methacrylate (KH570) was used to modify the nano silica (KHSI) for increasing lip-ophilicity. Then by using water-in-oil method, the inverse Pickering emulsion was stabilized by KHSI, and the core-shell double microcapsules (CS-DMics) loaded with different healing agents were formed via 1,1-Bis(acryl-oyloxymethyl)ethyl isocyanate (BEI). SEM and particle size statistical show that the size range of CS-DMics is 10-149.25 mu m. Ultimately, the self-healing epoxy resin compound (Sh-ERC) was acquired by combining CS-DMics with epoxy resin substrate materials. The thermal properties, mechanical properties, self-healing prop-erties and electrical conductivity were tested. It is found that Sh-ERC has perfect self-healing performance when the cracks occur and the microcapsules release healing agent for repairing. The self-healing effect of Sh-ERC is better with more CS-DMics content, and the self-healing efficiency is up to 86.5% when the content of CS-DMics is 40%. It has an excellent self-healing performance for engineering materials.

Keyword:

Epoxy resin compounds Microcapsules Pickering emulsion Self -healing

Community:

  • [ 1 ] [Hu, Xulian]Fuzhou Univ, Coll Chem Engn, Fuzhou 350108, Peoples R China
  • [ 2 ] [Wang, Hu]Fuzhou Univ, Coll Chem Engn, Fuzhou 350108, Peoples R China
  • [ 3 ] [Hu, Xulian]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
  • [ 4 ] [Wang, Hu]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
  • [ 5 ] [Chen]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
  • [ 6 ] [Hong, Maochun]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
  • [ 7 ] [Fu, Heqing]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
  • [ 8 ] [Zhou, Zhaoxi]South China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510640, Peoples R China
  • [ 9 ] [Fu, Heqing]South China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510640, Peoples R China
  • [ 10 ] [Hu, Xulian]Fujian Sci & Technol Innovat Lab Optoelect Inform, Fuzhou 350108, Peoples R China
  • [ 11 ] [Chen]Fujian Sci & Technol Innovat Lab Optoelect Inform, Fuzhou 350108, Peoples R China
  • [ 12 ] [Fu, Heqing]Fujian Sci & Technol Innovat Lab Optoelect Inform, Fuzhou 350108, Peoples R China

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Source :

REACTIVE & FUNCTIONAL POLYMERS

ISSN: 1381-5148

Year: 2022

Volume: 177

5 . 1

JCR@2022

4 . 5 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:74

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 10

SCOPUS Cited Count: 13

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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