Dsm IP Assets B.v.

Dsm N.v.

Jibing Lin

Timothy Edward Bishop

James R Petisce

Eva Montgomery

Paulus F A Buijsen

Lindsay S Coons

Paul E Snowwhite, Jr

David Krumin

Anton Kotesky

The present invention provides radiation-curable compositions and products coated therewith, such as coated optical fibers. The present compositions have a low amount of, or are even absent of, reactive diluents while still exhibiting a sufficiently low viscosity to be useful in a wide variety of coating applications, such as in processes for coating optical fibers.

Radiation-curable composition and products coated therewith

A radiation-curable fiber optic coating composition for an inner primary coating includes a coloring agent, preferably a dye or a dye precursor, compatible with the fiber of the fiber optic and capable of imparting a pre-selected color to the inner primary coating, or another coating. The coloring agent can be a reactive dye. Any of the dyes preferably is stabilized by a stabiliser in the colored coating layer, or, preferably, in a more exterior layer.

Radiation-curable composition with simultaneous color formation during cure

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St. Charles, IL, United States of America

Jibing Lin