C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 290/14 (2006.01) C03C 25/10 (2006.01) C03C 25/28 (2006.01) C09D 4/00 (2006.01) C09D 4/06 (2006.01)
Patent
CA 2395531
The present invention relates to a composition for coating optical fibers that includes an oligomeric component present in an amount of about 15 weight percent or less and a monomeric component present in an amount of about 75 weight percent or more, where the cured product of the composition has a Young's modulus of at least about 650 MPa. When the composition is substantially devoid of the oligomeric component, the monomeric component preferably includes two or more monomers. Also disclosed are the cured products of the compositions of the present invention, optical fibers that contain secondary coatings prepared from the compositions of the present invention, methods of making such optical fibers, as well as fiber optic ribbons containing a matrix prepared from the compositions of the present invention. The invention further relates to a composition for coating optical fibers that includes an oligomeric component present in an amount of more than about 15 weight percent and a monomeric component present in an amount of less than about 82 weight percent, where the cured product of the composition has a Young's modulus of at least about 900 MPa.
L'invention concerne une composition pour le gainage extérieur de fibres optiques, comprenant un composant oligomérique pour une quantité d'environ 15 pour-cent en poids ou moins et un composant monomérique pour une quantité d'environ 75 pour-cent en poids ou plus, le produit réticulé de la composition ayant un module de Young d'au moins environ 650 MPa. Lorsque la composition est sensiblement dépourvue du composant oligomérique, le composant monomérique contient de préférence deux monomères ou plus. L'invention concerne également les produits réticulés des compositions de ladite invention, des fibres optiques qui contiennent des gainages extérieurs préparés à partir des compositions de la présente invention, des procédés de fabrication de tels fibres optiques, et des rubans de fibre optique comprenant une matrice préparée à partir des compositions de la présente invention. L'invention concerne en outre une composition pour le gainage extérieur de fibres optiques, laquelle comprend un composant oligomérique pour une quantité supérieure à 15 pour-cent en poids environ et un composant monomérique pour une quantité inférieure à 82 pour-cent en poids environ, le produit réticulé de la composition ayant un module de Young d'au moins environ 900 MPa.
Botelho John W.
Jacobs Gregory F.
Sheng Huan-Hung
Winningham Michael J.
Corning Incorporated
Gowling Lafleur Henderson Llp
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