Eastman-kodak Company

Eastman Chemical Company

Medical University of South Carolina

Amcol International Corporation

Other

Ppg Industries, Inc.

Eastman Chemical Corporation

Brian Steven Phillips

Robert Boyd Barbee

Robert B. Barbee

Brian S. Phillips

James Christopher Matayabas, Jr

Burns Davis

John Walker Gilmer

Brian S Phillips

Sam Richard Turner

Thomas H Wicker, Jr

Rodney Layne Piner

Jack Wesley Trexler, Jr

Tie Lan

Gary Wayne Connell

Larry A Minnick

Vasiliki Psihogios

Jeffrey Todd Owens

Yeong-Ho Chang

Roy K Bass

Max Allen Weaver

David R Fagerburg

Bobby J Sublett

Timothy Edward Long

Michael John Cyr

Glenn C Jones

Martin Emerson Rogers

Harry R Musser

Tony Wayne Helton

Horst Clauberg

Yeon-Ho Chang

Chun-Tzer Chou

Process for preparing high barrier nanocomposites

This invention relates to a polymer-clay nanocomposite comprising (i) a melt-processible matrix polymer, and incorporated therein (ii) a mixture of at least two layered clay materials. The invention also relates to articles produced from a nanocomposite and a process for preparing a nanocomposite.

Polymer/clay nanocomposite comprising a clay mixture and a process for making same

The present invention relates to oxygen scavenging compositions comprising a) platelet particles having attached thereto at least one oxygen scavenging organic cation and b) at least one oxidation catalyst. The oxygen scavenging compositions of the present invention maybe readily incorporated into a variety of matrix polymers to create polymer composites, which display improved passive barrier and oxygen scavenging capabilities. Articles formed from these composites are also disclosed.

Platelet particle polymer composite with oxygen scavenging organic cations

This invention relates to a colorant composition comprising a layered clay material intercalated with at least one cationic colorant, optical brightener or a mixture thereof. This invention also relates to a polymer-clay nanocomposite comprising (i) a melt-processible matrix polymer, and (ii) a layered clay material intercalated with at least one cationic colorant, optical brightener or a mixture thereof, wherein the clay-cation colorant/optical brightener intercalate is incorporated into the matrix polymer. The invention further relates to articles produced from the polymer nanocomposite.

Colorant composition, a polymer nanocomposite comprising the colorant composition and articles produced therefrom

Nanocomposites for high barrier applications

This invention relates to a polymer-clay nanocomposite having an improved gas permeability comprising (i) a melt-processible matrix polymer, and incorporated therein (ii) a layered clay material intercalated with a mixture of at least two organic cations. The invention also relates to processes for preparing a nanocomposite and articles produced from a nanocomposite.

Polymer/clay nanocomposite having improved gas barrier comprising a clay material with a mixture of two or more organic cations and a process for preparing same

This invention relates to a polymer-clay intercalates, exfoliates, nanocomposites and methods of manufacturing comprising (i) a melt-processible matrix polymer, and incorporated therein (ii) a mixture of at least two layered clay materials. The invention also relates to articles produced from a nanocomposite and a process for preparing a nanocomposite.

Polymer/clay intercalates, exfoliates, and nanocomposites comprising a clay mixture and a process for making same

Polymer/clay intercalates, exfoliates; and nanocomposites having improved gas permeability comprising a clay material with a mixture of two or more organic cations and a process for preparing same

The invention is directed to an nanocomposite material and products produced from the nanocomposite material. This invention is also directed to a process for preparing a polymer-clay nanocomposite comprising the steps of (i) forming a concetrate comprising a layered clay material with a matrix polymer-compatible functionalized oligomer or polymer, and (ii) melt compounding the concentrate with a melt-processible matrix polymer to produce a polymer-clay nanocomposite.

Polymeter/clay nanocomposite comprising a functionalized polymer or oligomer and a process for preparing same

The present invention relates to a polyester-platelet particle composite comprising at least one polyester having dispersed therein a platelet particle dispersion comprising chalcogen or platelet particles and at least one water dissipatible polymer.

Polyester/platelet particle compositions displaying improved dispersion

This invention relates to polyester compositions that possess improved gas barrier properties. The novel copolyester blends comprise repeat units of phenylenedi(oxyacetic acid). Such copolyesters with improved gas barrier properties are useful in packaging applications where low gas permeability are required for protection or preservation of the contents.

Polyester phenylenedi (oxyacetic acid) copolyester blends having improved gas barrier properties

The present invention relates to polyester-platelet particle composite comprising; at least one polyester having dispersed therein a platelet particle dispersion comprising about 0.01 to about 25 weight percent platelet particles and at least one water dissipatible polymer in a concentration which is at least about 1 part water dissipatible polymer to 1 part said polyester wherein said platelet particles primarily comprise individual platelet particles and tactoids. The composites of the present invention are prepared by dispersing at least one clay material in a water dissipatible polymer to form a platelet particle dispersion; introducing said platelet particle dispersion to a polyester and extrusion mixing said dispersion and polyester.

Process for making polyester/platelet particle compositions displaying

The present invention relates to polyester-platelet particle composite compositions comprising about 0.01 to about 25 weight percent platelet particles dispersed in at least one polyester wherein said composition has an I.V. of greater than about 0.55 dl/g, low shear melt viscosity greater than about 30,000 poise and a gas permeability which is at least 10% lower than that of unmodified polyester and processes for producing same.

High I.V. polyester compositions containing platelet particles

A poly(hydroxy ester ether) is prepared by reacting a) a diacid containing a hetero moiety of the formula:

Poly(hydroxy ester ethers) as barrier resins

The present invention relates to a composition comprising platelet particles treated with at least one polyalkoxylated ammonium salt comprising at least one polyalkoxylated group consisting of greater than 5 repeating alkyl oxide groups. The treated particles of the present invention display particularly good dispersion when incorporated into various polyester compositions at concentrations up to about 25 weight %. Also disclosed is a process incorporating said treated platelet particles into a polyester and for forming said treated platelet particles.

Polyester composite material and method for its manufacturing

Growing community of inventors

Kingsport, TN, United States of America

Robert Boyd Barbee