Patent ID: 7041712

Claim:
A radiation-curable fiber optic ink base composition comprising, in the uncured state, at least one monomer or oligomer having a radiation-curable functional group, a photoinitiator for said monomer or oligomer present in an amount sufficient to effect radiation cure of said monomer or oligomer, and a silicone-containing additive comprising the reaction product of a secondary amino-functional poly(di-substituted siloxane) and an ethylenically unsaturated compound, wherein said siloxane backbone is only substituted with at least one aliphatic hydrocarbon, at least one aromatic hydrocarbon or a combination of aliphatic and aromatic hydrocarbons, and wherein said ethylenically unsaturated compound includes only one double bond, such that the reaction product of said secondary amino-functional poly(di-substituted siloxane) and said ethylenically unsaturated compound is substantially free of ethylenic unsaturation.