4.8 Article

A Stiff and Healable Polymer Based on Dynamic-Covalent Boroxine Bonds

Journal

ADVANCED MATERIALS
Volume 28, Issue 37, Pages 8277-8282

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201602332

Keywords

adhesives; boroxines; poly(dimethylsiloxane); self-healing; stiffness

Funding

  1. Major State Basic Research Development Program [2013CB922100]
  2. Air Force Office of Scientific Research [FA9550-15-1-0106]
  3. Samsung Electronics
  4. project of scientific and technological support program in Jiangsu province [BE2014147-2]
  5. Natural Science Foundation of Jiangsu Province [BK20151377]
  6. Scientific Research Foundation of Graduate School of Nanjing University [2015CL07]

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A stiff and healable polymer is obtained by using the dynamic-covalent boroxine bond to crosslink PDMS chain into 3D networks. The as-prepared polymer is very strong and stiff, and can bear a load of more than 450 times its weight. When damaged, it can be completely healed upon heating after wetting.

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