Fluorescent degree of cure monitors

Details Fluorescent degree of cure monitors Fluorescent degree of cure monitors

C - Chemistry, Metallurgy

08

G

400/5344

C08G 77/20 (2006.01) C08G 85/00 (2006.01) C08J 3/20 (2006.01) C08L 83/04 (2006.01) C09K 11/06 (2006.01) G01N 21/64 (2006.01) G01N 21/75 (2006.01) G03F 7/105 (2006.01)

Patent

CA 2015893

FN: 43711 CAN 7A ABSTRACT OF THE DISCLOSURE A curable composition, the cure of which can be monitored optically, comprises at least one of a hydride curable silicone, an ethylenically unsaturated compound, and a cationically polymerizable monomer, and as cure monitor dibenzofulvene or derivatives thereof. The cure monitor is a latent fluorophore which reacts under the cure conditions to form a UV-detectable fluorophore. The invention also provides a method for measuring degree of cure of a polymeric material which can be a coating or an article.

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