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6 Results Found

  • Article
  • Open Access
19 Citations
3,896 Views
22 Pages

25 October 2019

The applicability of new 1,6-diphenylquinolin-2-oneas derivatives as fluorescent molecular sensors for monitoring the progress of photopolymerisation processes by Fluorescence Probe Technique (FPT) has been tested. The progress of cationic, free-radi...

  • Article
  • Open Access
45 Citations
8,701 Views
28 Pages

8 August 2020

In the present paper, novel thioxanthone-based compounds were synthesised and evaluated as a component of photoredox catalysts/photoinitiating systems for the free-radical polymerisation (FRP) of acrylates and the ring-opening cationic polymerisation...

  • Article
  • Open Access
25 Citations
5,860 Views
17 Pages

Synthesis and Characterisation of Hydrogels Based on Poly (N-Vinylcaprolactam) with Diethylene Glycol Diacrylate

  • Elaine Halligan,
  • Billy Shu Hieng Tie,
  • Declan Mary Colbert,
  • Mohamad Alsaadi,
  • Shuo Zhuo,
  • Gavin Keane and
  • Luke M. Geever

25 May 2023

Poly (N-vinylcaprolactam) is a polymer that is biocompatible, water-soluble, thermally sensitive, non-toxic, and nonionic. In this study, the preparation of hydrogels based on Poly (N-vinylcaprolactam) with diethylene glycol diacrylate is presented....

  • Technical Note
  • Open Access
14 Citations
8,216 Views
11 Pages

Improved PNIPAAm-Hydrogel Photopatterning by Process Optimisation with Respect to UV Light Sources and Oxygen Content

  • Sebastian Haefner,
  • Mathias Rohn,
  • Philipp Frank,
  • Georgi Paschew,
  • Martin Elstner and
  • Andreas Richter

4 March 2016

Poly-N-isopropylacrylamide (PNIPAAm) hydrogels, known for their sensor and actuator capabilities, can be photolithographically structured for microsystem applications. For usage in microsystems, the preparation, and hence the characteristics, of thes...

  • Article
  • Open Access
8 Citations
8,296 Views
15 Pages

20 April 2017

A series of PDLLA-PEG1k-PDLLA tri-block co-polymers with various compositions, i.e., containing 2–10 lactoyl units, were prepared via ring opening polymerisation of d,l-lactide in the presence of poly (ethylene glycol) (PEG) (Mn = 1000 g·mol−1) as th...

  • Article
  • Open Access
23 Citations
2,636 Views
17 Pages

22 November 2022

The term 4D printing refers to the idea that the shape or properties of a printed object can be changed when an external stimulus is applied. In this contribution, a temperature-responsive polymer Poly (N-vinyl caprolactam) (PNVCL), which is normally...