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Proceedings Paper

Kinetics of photopolymerization of acrylates studied with a cure monitor and photoDSC
Author(s): Igor V. Khudyakov; Jodi C. Legg; Michael B. Purvis; Bob James Overton
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Paper Abstract

Photopolymerization of a number of neat acrylate monomers used in polymer coatings of optical fiber was studied with photoDSC and with a cure monitor using a fluorescent probe. Acrylates had functionality from one to six. PhotoDSC results show that conversion of monomers ranges from 40 to 100% depending upon functionality and structure of a monomer. Kinetics of hardening of a sample under light at ambient temperature was nicely fit into two-exponential law; rate constants k1 and k2 in this empirical analysis are in the range 0.5 - 35 min-1. Dependence of rate of polymerization and conversion upon functionality of a monomer is discussed. Both cure monitor and photoDSC can be successfully used for testing of liquid coatings. It was demonstrated, that an application of a moderate permanent magnetic field increases rate of cure of coating up till 20%.

Paper Details

Date Published: 29 December 1999
PDF: 6 pages
Proc. SPIE 3848, Optical Fiber Reliability and Testing, (29 December 1999); doi: 10.1117/12.372767
Show Author Affiliations
Igor V. Khudyakov, Alcatel USA (United States)
Jodi C. Legg, Alcatel USA (United States)
Michael B. Purvis, Alcatel USA (United States)
Bob James Overton, Alcatel USA (United States)

Published in SPIE Proceedings Vol. 3848:
Optical Fiber Reliability and Testing
M. John Matthewson, Editor(s)

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