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Polymerization Kinetics in Three‐Dimensional Direct Laser Writing
Author(s) -
Mueller Jonathan B.,
Fischer Joachim,
Mayer Frederik,
Kadic Muamer,
Wegener Martin
Publication year - 2014
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201402366
Subject(s) - materials science , kinetics , polymerization , quenching (fluorescence) , diffusion , photochemistry , laser , millisecond , chemical engineering , polymer chemistry , polymer , fluorescence , optics , thermodynamics , composite material , chemistry , physics , quantum mechanics , astronomy , engineering
By in‐situ measuring the scattered light during microstructure formation, the polymerization kinetics of three‐dimensional direct laser writing are investigated in detail. Oxygen quenching, oxygen diffusion, and inhibitor depletion are shown to have substantial impact on the kinetic behavior. For typical photoresists based on multifunctional acrylates, the polymerization occurs in less than a millisecond.