Abstract: An elastomer composite with silica-containing filler is described, along with methods to make the same. The advantages achieved with the elastomer composite and methods are further described.
Type:
Application
Filed:
September 14, 2011
Publication date:
June 20, 2013
Applicant:
CABOT CORPORATION
Inventors:
Michael D. Morris, Anand Prakash, Frederick H. Rumpf
Abstract: This invention provides metal oxide particles surface-treated with a cyclic silazane and a hydrophobicity-imparting agent, methods of making such, and toner compositions comprising the same.
Abstract: The invention provides metal oxide particles surface-treated with at least one alkoxysilane compound, methods of making such, and toners comprising same.
Abstract: A composition useful as an inkjet ink is described as well as methods of making the composition. The composition includes a pigment and a polymer and the polymer may include a polyurethane. The composition exhibits properties that make it useful in thermal and piezo inkjet applications.
Abstract: The invention provides metal oxide particles surface-treated with at least one alkoxysilane compound, methods of making such, and toners comprising same.
Type:
Grant
Filed:
July 6, 2007
Date of Patent:
May 7, 2013
Assignee:
Cabot Corporation
Inventors:
Dmitry Fomitchev, Joachim K. Floess, William R. Williams
Abstract: The invention provides a toner composition comprising resin particles, a colorant, and a toner additive, wherein the toner additive comprises carbon-silica dual phase particles, wherein the carbon-silica dual phase particles comprise aggregates of carbon black comprising at least one silicon-containing region, and wherein the carbon-silica dual phase particles are distributed on the surface of the resin particles. The invention also provides a method of preparing the aforesaid toner composition.
Abstract: A composition for the fabrication of reflective features using a direct-write tool is disclosed. The composition comprises metal nanoparticles having an average particle size less than 300 nm and which carry thereon a polymer for substantially preventing agglomeration of the nanoparticles, wherein the nanoparticles exhibit a metal-polymer weight ratio of 100:1 to 10:1. The composition further includes a vehicle for forming a dispersion with the metal nanoparticles. A number of electronic devices comprising a reflective layer formed from the composition are also disclosed. One example case provides an electronic device having a reflective electrode. The reflective electrode comprises a percolation network of the metal nanoparticles embedded in a matrix of the polymer and having an average particle size of less than 300 nm, wherein the reflective electrode is reflective in the visible light range and does not diffract incident light.
Type:
Application
Filed:
December 4, 2012
Publication date:
April 25, 2013
Applicant:
Cabot Corporation
Inventors:
Cabot Corporation, Tu N. Nguyen, Tu N. Nguyen
Abstract: Modified pigments including an organic group containing a 5-membered heteroaromatic ring, as well as related compositions, articles, and methods, are disclosed. The diazonium salts containing a 5-membered heteroaromat is ring exhibit enhanced activity in modifying pigments, thereby resulting in modified pigments with a higher treatment level and improved dispersibility in an ink composition.
Abstract: A metal nanoparticle composition for the fabrication of conductive features. The metal nanoparticle composition advantageously has a low viscosity permitting deposition of the composition by direct-write tools. The metal nanoparticle composition advantageously also has a low conversion temperature, permitting its deposition and conversion to an electrical feature on polymeric substrates.
Type:
Grant
Filed:
June 15, 2010
Date of Patent:
February 26, 2013
Assignee:
Cabot Corporation
Inventors:
Karel Vanheusden, Klaus Kunze, Hyungrak Kim, Aaron D. Stump, Allen B. Schult, Mark J. Hampden-Smith, Chuck Edwards, Anthony R. James, James Caruso, Toivo T. Kodas, Scott Thomas Haubrich, Mark H. Kowalski
Abstract: Methods for production of carbon black using high temperature feedstock at temperatures exceeding about 300° C. with fouling control are provided. An apparatus for production of carbon black according to these methods also is provided.
Type:
Application
Filed:
August 17, 2012
Publication date:
February 14, 2013
Applicant:
CABOT CORPORATION
Inventors:
Serguei Nester, Frederick H. Rumpf, Yakov E. Kutsovsky, Charles A. Natalie
Abstract: Photovoltaic conductive features and processes for forming photovoltaic conductive features are described. The process comprises (a) providing a substrate comprising a passivation layer disposed on a silicon layer; (b) depositing a surface modifying material onto at least a portion of the passivation layer; (c) depositing a composition comprising at least one of metallic nanoparticles comprising a metal or a metal precursor to the metal onto at least a portion of the substrate; and (d) heating the composition such that it forms at least a portion of a photovoltaic conductive feature in electrical contact with the silicon layer, wherein at least one of the composition or the surface modifying material etches a region of the passivation layer. When the surface modifying material is a UV-curable material, the process comprises the additional step of curing the UV-curable material.
Type:
Grant
Filed:
January 13, 2012
Date of Patent:
February 12, 2013
Assignee:
Cabot Corporation
Inventors:
Mark J. Hampden-Smith, Mark H. Kowalski
Abstract: This invention is directed to direct write printed reflective features comprising metallic particles and/or metallic nanoparticles. Preferably, the reflective feature are formed by a direct-writing printing process, e.g., a piezo-electric, thermal, drop-on-demand or continuous ink jet printing process, using an ink comprising metallic particles, e.g., metallic nanoparticles. The invention is also directed to inks suitable for printing such reflective features using a direct write printing process and to processes for making such reflective features.
Type:
Application
Filed:
August 29, 2012
Publication date:
December 20, 2012
Applicant:
Cabot Corporation
Inventors:
Mark J. Hampden-Smith, Scott T. Haubrich, Rimple Bhatia, Ned Jay Hardman
Abstract: An apparatus and method for making a printed circuit board comprising a substrate and an electrical circuit is provided. The circuit is formed by deposition of a plurality of electronic inks onto the substrate and curing of each of the electronic inks. The deposition may be performed using an ink-jet printing process. The inkjet printing process may include the step of printing a plurality of layers, wherein a first layer includes at least one electronic ink deposited directly onto the substrate, and wherein each subsequent layer includes at least one electronic ink deposited on top of at least a portion of a previous layer when the previous layer has been cured. One or more of the layers may include at least two of the electronic inks.
Type:
Grant
Filed:
January 13, 2006
Date of Patent:
December 18, 2012
Assignee:
Cabot Corporation
Inventors:
Chuck Edwards, James John Howarth, Karel Vanheusden
Abstract: Provided is an aerosol method, and accompanying apparatus, for preparing powdered products of a variety of materials involving the use of an ultrasonic aerosol generator including a plurality of ultrasonic transducers underlying and ultrasonically energizing a reservoir of liquid feed which forms droplets of the aerosol. Carrier gas is delivered to different portions of the reservoir by a plurality of gas delivery ports delivering gas from a gas delivery system. The aerosol is pyrolyzed to form particles, which are then cooled and collected. The invention also provides powders made by the method and devices made using the powders.
Type:
Grant
Filed:
March 3, 2011
Date of Patent:
December 18, 2012
Assignee:
Cabot Corporation
Inventors:
Mark J. Hampden-Smith, Toivo T. Kodas, Quint H. Powell, Daniel J. Skamser, James Caruso, Clive D. Chandler
Abstract: The present invention relates to a modified colored pigment comprising a colored pigment having an attached organic group. The organic group is attached to the colored pigment via at least one carbon atom of a C—C single bond or double bond, wherein the C—C single bond or double bond is not a component of an aromatic system. The organic group further comprises at least one activating group on at least one carbon atom of the C—C single bond or double bond. A method of preparing a modified colored pigment is also disclosed, as are aqueous and non-aqueous dispersions, e.g., including ink jet inks, comprising the modified colored pigments.
Abstract: The present invention relates to a composition having a first response to a first electromagnetic radiation and, after intermediate exposure to a second electromagnetic radiation, a second response to the first electromagnetic radiation, different from the first response. In one aspect, the composition exhibits a regenerated first response to the first electromagnetic radiation after exposure to a third electromagnetic radiation.
Type:
Application
Filed:
July 13, 2012
Publication date:
November 1, 2012
Applicant:
Cabot Corporation
Inventors:
Mark J. Hampden-Smith, Liam Noailles, Richard Einhorn
Abstract: A paste suitable for a negative plate of a lead-acid battery comprises at least (a) a lead-based active material and an expander mixture comprising (b) carbon, (c) barium sulfate and (d) a lignosulfonate, wherein at least part of at least two of said components (a) to (d) are present in the paste as composite particles.
Type:
Application
Filed:
March 30, 2012
Publication date:
October 4, 2012
Applicant:
Cabot Corporation
Inventors:
Paolina Atanassova, Yipeng Sun, Berislav Blizanac, Toivo T. Kodas, Mark J. Hampden-smith, Miodrag Oljaca
Abstract: Blends of carbon black or other fillers is described. The blends of carbon black or other fillers are preferably pre-blended prior to introducing the blend into a product such as an elastomeric or polymeric product.