Performance comparison of acrylic and thiol-acrylic resins in two-photon polymerization | Zendy

Lijia Jiang | Zendy; Wei Xiong | Zendy; Yushen Zhou | Zendy; Ying Liu | Zendy; Xi Huang | Zendy; Dawei Li | Zendy; Tommaso Baldacchini | Zendy; Lan Jiang | Zendy; Yongfeng Lu | Zendy

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Performance comparison of acrylic and thiol-acrylic resins in two-photon polymerization

Author(s) -

Lijia Jiang,

Wei Xiong,

Yushen Zhou,

Ying Liu,

Xi Huang,

Dawei Li,

Tommaso Baldacchini,

Lan Jiang,

Yongfeng Lu

Publication year - 2016

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.24.013687

Subject(s) - polymerization , microfabrication , materials science , monomer , shrinkage , acrylic acid , acrylate , polymer chemistry , microstructure , polymer , chemical engineering , composite material , fabrication , pathology , engineering , medicine , alternative medicine

Microfabrication by two-photon polymerization is investigated using resins based on thiol-ene chemistry. In particular, resins containing different amounts of a tetrafunctional acrylic monomer and a tetrafunctional thiol molecule are used to create complex microstructures. We observe the enhancement of several characteristics of two-photon polymerization when using thiol-acrylic resins. Specifically, microfabrication is carried out using higher writing velocities and it produces stronger polymeric microstructures. Furthermore, the amount of shrinkage typically observed in the production of three-dimensional microstructures is reduced also. By means of microspectrometry, we confirm that the thiol-acrylate mixture in TPP resins promote monomer conversion inducing a higher degree of cross-linked network formation.

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