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Applied Physics A

, 124:283 | Cite as

Influence of polymerization conditions on the refractive index of poly(ethylene glycol) diacrylate (PEGDA) hydrogels

  • Zhi Feng Zhang
  • Xinxian Ma
  • Haibin Wang
  • Fei Ye
Article

Abstract

This paper studies the influences of fabrication parameters on the optical properties of poly(ethylene glycol) diacrylate(PEGDA) hydrogels during polymerization, including the irradiation intensity, irradiation time, photoinitiator concentration, and water content. The refractive index of PEGDA hydrogels polymerized under various conditions is measured, with the results shown to be valuable for future research applying PEGDA hydrogels as optical materials. In addition, it is found that the photoinitiator concentration used can be as low as 1.0 wt%, which is severalfold lower than that previously reported, making PEGDA hydrogels more desirable for bioapplications.

Notes

Acknowledgements

This work was supported by Ningxia Education Department under Grant no. NGY2016198, and by the College of Chemistry and Chemical Engineering, Ningxia Normal University under Grant no. HGZD16-05.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no competing financial interests

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.College of Chemistry and Chemical EngineeringNingxia Normal UniversityGuyuanChina

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