Efficient Photoinitiating System Based on Diaminoanthraquinone for 3D Printing of Polymer/Carbon Nanotube Nanocomposites under Visible Light

Guannan Wang, Nicholas S. Hill, Di Zhu, Pu Xiao, Michelle L. Coote, Martina H. Stenzel

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

This work reports several 1,5-diaminoanthraquinone (1,5-DAAQ)-based visible-light-sensitive photoinitiating systems (PISs), which can efficiently initiate the free radical photopolymerization of (meth)acrylates under green light delivered from light-emitting diode. The PISs contain three components: 1,5-diaminoanthraquinone, an iodonium salt, and aromatic amines. In one example, polymerization could be efficiently initiated and completed within 10 s with double bond conversions of approximately 80%. The initiating system could also be used in conjunction with reversible addition-fragmentation chain transfer (RAFT) polymerization. Finally, the 1,5-DAAQ/iodonium salt/4-N,N-trimethylaniline PIS could be readily employed in the 3D printing process of polymer/carbon nanotube nanocomposites.

Original languageEnglish
Pages (from-to)1129-1135
Number of pages7
JournalACS Applied Polymer Materials
Volume1
Issue number5
DOIs
Publication statusPublished - 10 May 2019
Externally publishedYes

Keywords

  • 3D printing
  • carbon nanoparticles
  • green light
  • LED
  • photopolymerization
  • three-component photoinitiating systems

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