Cabot Corporation

Rudiger Laufhutte

Michael S Darsillo

David J Fluck

Michael D Morris

Michael A Lucarelli

Jason R Hilton

Rex J Field

The invention provides a recording medium comprising a substrate having a glossy coating thereon, wherein the glossy coating comprises a binder and alumina particles that are aggregates of primary particles.

Recording medium with glossy coating containing alumina

This invention pertains to an ink jet recording medium comprises a flexible substrate and a coating composition coated on at least one surface of the substrate, wherein the coating composition comprises the product formed from the contact between fumed silica particles and at least one aminoorganosiloxane. The invention also pertains to a method for the preparation of such an ink jet recording medium and to methods for the preparation of a coating composition and a dispersion useful in the preparation of such an ink jet recording medium.

Ink jet recording medium comprising amine-treated silica

A recording medium comprising a substrate having a glossy coating thereon, wherein the glossy coating comprises a binder and alumina particles that are aggregates of primary particles.

Recording medium

The present invention provides a recording medium comprising a substrate having a glossy coating thereon, wherein the glossy coating comprises cationic silica. The cationic silica comprises silica particles having a mean diameter of less than about 1 &mgr;m that have been contacted with at least one aluminum compound. The present invention also provides an aqueous dispersion of cationic silica, a coating composition comprising it, and methods of preparing the dispersion, coating composition, and recording medium.

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Tuscola, IL, United States of America

Rudiger Laufhutte