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US 2018/0215661 A1Published application
Led curing of high modulus fiber coating
AssigneeCorning Incorporated
InventorsInna Igorevna Kouzmina, Darren Andrew Stainer
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Abstract
Curable coating compositions having a high degree of cure and high modulus upon excitation with an LED or laser source are described. The curable coating compositions include one or more radiation-curable monomers and one or more photoinitiators. The curable coating compositions are preferably devoid of oligomers. The LED or laser source preferably provides UV radiation having a peak wavelength in the range from 360 nm-410 nm.
Claims24
A method for manufacturing an optical fiber comprising:
- applying a first coating composition to a glass fiber, said first coating composition comprising:
- two or more radiation-curable monomers;
- an oligomer, said oligomer having a concentration in the range from 0 wt %-3 wt % in said coating composition;
- and
- a photoinitiator;
- and
- curing said first coating composition with a light emitting diode, said light emitting diode having an emission spectrum with a peak wavelength in the range from 360 nm-410 nm, said curing forming a cured product having an overall degree of cure greater than 80%.
4 more elements
Dependencies are inferred from the claim text.