Abstract: A thermal interface material, containing at least one filler material, where the at least one filler material is selected at least in part by particle size, and the method of forming the same, is disclosed.

Abstract: This invention is directed to a polymer-clay nanocomposite, products produced from the nanocomposite, and a process for preparing a polymer-clay nanocomposite. The polymer-clay nanocomposite comprises (a) a matrix polymer, (b) an amorphous oligomer, and (c) a layered clay material.

Abstract: This invention relates to a process for preparing an amorphous polyamide-clay nanocomposite comprising the steps of: a. melt mixing a layered clay material with an oligomeric polyamide resin to form an oligomeric polyamide resin-clay composite, and b.

Abstract: This invention relates to a composite composition comprising one or more polyamide polymers or copolymers, one or more layered clay materials, and one or more alkoxylated ammonium cations. The invention also relates to a process for preparing a nanocomposite and articles produced from the nanocomposite, including bottles.

Abstract: This invention relates to a process for preparing an amorphous polyamide-clay nanocomposite comprising the steps of:

Abstract: This invention is directed to a process for preparing an exfoliated, high I.V. polymer-platelet particle nanocomposite comprising the steps of: A process for preparing an exfoliated, high I.V. polymer-platelet particle nanocomposite comprising the steps of: (i) melt mixing platelet particles with an oligomeric polyamide resin to form an oligomeric resin-platelet particle composite, and (ii) mixing the oligomeric resin-platelet particle composite with a high molecular weight matrix polyamide having diamine and diacid repeat units, thereby increasing the molecular weight of the oligomeric resin-platelet particle composite and producing an exfoliated, high I.V. polymer nanocomposite material. The invention also is directed to a nanocomposite material produced by the process, products produced from the nanocomposite material, and a nanocomposite prepared from an oligomeric resin-platelet particle precursor composite.

Abstract: 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.

Abstract: The present invention relates to a composition comprising (i) a layered clay material that has been cation-exchanged with an organic cation salt represented by Formula (I): wherein M is nitrogen or phosphorous, X− is a halide, hydroxide, or acetate anion, R1 is a straight or branched alkyl group having at least 8 carbon atoms, and R2, R3, and R4 are independently hydrogen or a straight or branched alkyl group having 1 to 22 carbon atoms; and (ii) at least one expanding agent, wherein the cation-exchanged clay material contains platelet particles and the expanding agent separates the platelet particles. The present invention also relates to a composite comprising a polymer having dispersed therein a composition of this invention. Preferred polymers for use in the composite include polyesters. The composite of the present invention shows vastly improved platelet separation as evidenced by higher than previously reported basal spacing.

Abstract: 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.

Abstract: The present invention relates to processes for preparing a nanocomposite comprising:

Abstract: This invention is directed to a process for preparing an exfoliated, high I.V. polymer-platelet particle nanocomposite comprising the steps of: (i) melt mixing platelet particles with a matrix polymer-compatible oligomeric resin to form an oligomeric resin-platelet with a high molecular weight matric polymer, thereby increasing the molecular weight of the oligomeric resin-platelet particle composite and producting an exfoliated, high I.V. polymer nanocomposite material. The invention also is directed to a nanocomposite material producted by the process, producted produced from the nanocomposite material, and a nanocomposite prepared from an oligomeric resin-platelet particle precursor composite.

Abstract: The invention is directed to a 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 concentrate comprising a layered clay material with a matrix polymer-compatible functionalized oligomer or polymer, and (ii) melt compounding the concentrate with a melt-processable matrix polymer to produce a polymer-clay nanocomposite.

Abstract: This invention is directed to a polyamide-clay nanocomposite, products produced from the nanocomposite, and a process for preparing a polyamide-clay nanocomposite. The polyamide-clay nanocomposite comprises (a) an amorphous matrix polyamide comprising (i) a residue of a dicarboxylic acid component comprising at least two diacids and (ii) a residue of a diamine component, and (b) a layered clay material, wherein the layered clay material is dispersed in the matrix polyamide.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: This invention is directed to a polyamide-clay nanocomposite, products produced from the nanocomposite, and a process for preparing a polyamide-clay nanocomposite. The polyamide-clay nanocomposite comprises (a) an amorphous matrix polyamide comprising (i) a residue of a dicarboxylic acid component comprising at least two diacids and (ii) a residue of a diamine component, and (b) a layered clay material, wherein the layered clay material is dispersed in the matrix polyamide.

Abstract: 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.

Abstract: 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.

Abstract: 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.