Abstract: A resin composition for molding having excellent heat resistance, hardness, cost-effectiveness, and biodegradability is provided by using an amorphous resin material component extracted from plant-derived wood. The resin composition is a hemicellulose monomer obtained by applying a methacrylation reaction or acrylation reaction to a hemicellulose or hemicellulose derivative and has a molecular structure in which a methacrylic group or acryloyl group is bonded to the hemicellulose or hemicellulose derivative. This hemicellulose monomer has excellent injection moldability.
Type:
Grant
Filed:
December 5, 2019
Date of Patent:
September 26, 2023
Assignee:
Hemicellulose Ltd.
Inventors:
Seiji Morita, Jin Nasukawa, Kenichi Sato, Laksmi Kusumawardhani
Abstract: A cast film, for use in monolayer and multilayer applications, having an outstanding inherent cling property is disclosed. Additionally, a multilayer cast film utilizing a cast film component layer prepared from a Ziegler-Natta catalyzed ethylene and alpha-olefin copolymer is disclosed, wherein the cast film component layer has a cling force of at least 200 grams-force per inch width at 200% pre-stretch, a slow puncture resistance of greater than 50 J/mm, and a TD tear strength of greater than 450 g/mil, with no cling additives present in the cast film component layer.
Abstract: Disclosed herein are systems and methods for processing waste egg shells into (i) a first product including calcified egg shell particles having diameters of 3? or less, and (ii) a second product including calcified egg shell particles having diameters in a range from about 3? to about 7?. The first product may be used as a CaCO3 substitute for paint compositions and plastics compositions. The second product may be used as a CaCO3 blasting media substitute for use with abrasive blasting equipment.
Abstract: Disclosed herein are systems and methods for processing waste egg shells into (i) a first product including calcified egg shell particles having diameters of 3 ? or less, and (ii) a second product including calcified egg shell particles having diameters in a range from about 3 ? to about 7 ?. The first product may be used as a CaCO3 substitute for paint compositions and plastics compositions. The second product may be used as a CaCO3 blasting media substitute for use with abrasive blasting equipment.
Abstract: Resin particles include mother particles containing a biodegradable resin, in which an alkali metal atomic weight A present on a resin particle surface with respect to a total atomic weight present on the resin particle surface, which is measured by an X-ray photoelectron spectroscopy, and an alkali metal atomic weight B present in the resin particles with respect to the total atomic weight present on the resin particles, which is measured by a fluorescent X-ray spectroscopy, satisfy a relationship of 0?(A/B)<0.15 and 0.005 atomic %?B?0.5 atomic %.
Abstract: A sintered cemented carbide body including tungsten carbide, and a substantially cobalt-free binder including an iron-based alloy sintered with the tungsten carbide. The iron-based alloy is approximately 2-25% of the overall weight percentage of the sintered tungsten carbide and iron-based alloy. The tungsten carbide may be approximately 90 wt % and the iron-based alloy may be approximately 10 wt % of the overall weight percentage of the sintered tungsten carbide and iron-based alloy. The tungsten carbide may comprise a substantially same size before and after undergoing sintering. The iron-based alloy may be sintered with the tungsten carbide using a uniaxial hot pressing process, a spark plasma sintering process, or a pressureless sintering process. The sintered tungsten carbide and iron-based alloy has a hardness value of at least 15 GPa and a fracture toughness value of at least 11 MPa?m.
Type:
Grant
Filed:
August 12, 2022
Date of Patent:
August 15, 2023
Assignee:
The United States of America as represented by the Secretary of the Army
Inventors:
John J. Pittari, III, Steven M. Kilczewski, Jeffrey J. Swab, Kristopher A. Darling, Billy C. Hornbuckle, Heather A. Murdoch, Robert J. Dowding
Abstract: Roofing granules having a color coating layer are covered with a clear, transparent or translucent outer coating composition including a functional material, such nanoparticles of anatase titanium dioxide.
Type:
Grant
Filed:
June 1, 2021
Date of Patent:
August 15, 2023
Assignee:
CertainTeed LLC
Inventors:
Keith C. Hong, Gregory F. Jacobs, Van Nhan Nguyen
Abstract: The diamond particle according to the present invention has an ionic conductivity Di represented by the following expression of 0.8 mS/m or lower: Di=Ds?Dw wherein Ds represents an ionic conductivity of an aqueous solution obtained by dissolving-out in a pressure cooker test carried out according to IEC68-2-66; and Dw represents an ionic conductivity of distilled water.
Abstract: The present invention relates to a 2-dimensional MXene particle surface-modified with a functional group comprising a saturated or unsaturated hydrocarbon, a preparation method thereof, and a use thereof (e.g., a conductive film).
Type:
Grant
Filed:
October 1, 2019
Date of Patent:
July 4, 2023
Assignee:
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventors:
Sangho Cho, Chong Min Koo, Soon Man Hong, Seung Sang Hwang, Kyung Youl Baek, Daesin Kim, Hye-rim Kim
Abstract: A coating material containing an oxyfluoride of yttrium and having a Fisher diameter of 1.0 to 10 ?m and a tap density TD to apparent density AD ratio, TD/AD, of 1.6 to 3.5. The coating material preferably has a pore volume of pores with a diameter of 100 ?m or smaller of 1.0 cm3/g or less as measured by mercury intrusion porosimetry. A coating containing an oxyfluoride of yttrium and having a Vickers hardness of 200 HV0.01 or higher. The coating preferably has a fracture toughness of 1.0×102 Pa·m1/2 or higher.
Abstract: The present invention provides an electrophotographic member having excellent deformation recovery even when stored or used under a high temperature and high humidity environment, which is useful in forming a high-quality electrophotographic image; a process cartridge; and an electrophotographic apparatus. The electrophotographic member of the present invention includes a conductive mandrel and an electro-conductive layer; the electro-conductive layer including a resin synthesized from an ion conducting agent and a compound being able to react with the ion conducting agent; the ion conducting agent including a specific anion and a cation having at least three hydroxyl groups; the compound being able to react with the hydroxyl group.
Abstract: Described herein is a multilayer article comprising: a. a polymer substrate comprising an abstractable atom; and b. a hydrogel coating thereon wherein the hydrogel coating has a water content of at least 10 wt % and is covalently bonded to the polymer substrate, and wherein the hydrogel coating is derived from an aqueous composition having a pH less than 9.5, the aqueous composition comprising: (a) a hydrophilic monomer selected from at least one of (meth)acrylate or (meth)acrylamide; (b) at least 0.1 wt % of a water-swellable clay; (c) a first initiator, wherein the first initiator is water-soluble and is a Type I photoinitiator; and (d) a second initiator, wherein the initiator is water-soluble and is a Type II photoinitiator; and (e) an acid.
Abstract: This invention discloses a boron-containing titanium-based composite powder for 3D printing, consisting of 0.5%-2% by weight of titanium diboride and 98%-99.5% by weight of titanium sponge. The invention further discloses a method of preparing such composite powder, where the element boron is introduced to the titanium powder through rapid solidification, which significantly improves the solid solubility of boron in Ti, enabling the introduction of part of the boron into the titanium matrix to form supersaturated solid solutions. The reinforcement phase TiB in the boron-containing titanium-based composite powder prepared herein can be precisely controlled in grain size ranging from the nanometer scale to the micrometer scale through temperature or energy density, thereby preparing the titanium-based composite materials with different sizes of reinforcement phases to meet different mechanical requirements.
Type:
Grant
Filed:
May 26, 2020
Date of Patent:
April 25, 2023
Assignee:
Xi'an University of Technology
Inventors:
Shufeng Li, Deng Pan, Xin Zhang, Lei Liu, Dongxu Hui
Abstract: Compositions having solid core particles with functionalizing layers over at least a portion of the outer surfaces of the solid core particles are described. The functionalizing layers are formed from a reaction product of a 1,1-di-activated vinyl compound, or a multifunctional form thereof, or a combination thereof.
Type:
Grant
Filed:
September 2, 2022
Date of Patent:
April 18, 2023
Assignee:
PPG Industries Ohio, Inc.
Inventors:
Michael A. Zalich, Aditya Gottumukkala, Kurt G. Olson
Abstract: A manufacturing method of a dielectric ceramic composition includes attaching a reactive functional group to a surface of a base material powder particle of a perovskite structure.
Type:
Grant
Filed:
March 31, 2020
Date of Patent:
April 4, 2023
Assignee:
SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventors:
Chang Geon Lee, Hae Suk Chung, Yoon Soo Park, Dong Jun Jung, Yun Jung Park
Abstract: A method for preparing a composition including mineral particles functionalized by at least one organic group and having a specific surface defined according to the BET method greater than 500 m2/g, involves: —choosing a phyllosilicate composition, including mineral particles having a thickness of less than 100 nm, a largest dimension of less than 10 ?m and belonging to the family of lamellar silicates; —choosing at least one functionalizing agent, from the group formed from the oxysilanes and oxygermanes having at least one organic group, —bringing the phyllosilicate composition into contact with a functionalizing solution including the functionalizing agent, so as to obtain a phyllosilicate composition including mineral particles functionalized by the organic group, while choosing the organic group from the group formed from the cationic heteroaryl groups, the quaternary ammonium groups and the salts of same. The phyllosilicate composition obtained by the method is also described.
Type:
Grant
Filed:
March 21, 2022
Date of Patent:
April 4, 2023
Assignees:
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), UNIVERSITE PAUL SABATIER TOULOUSE III
Inventors:
Christophe Le Roux, Francois Martin, Pierre Micoud, Angela Dumas
Abstract: The present invention discloses a dry powder composition comprising a thermosetting resin in particulate form, wherein the dry powder composition has a particle size measured according to ISO 13320 (2009) characterized by a Dv90 of 50 ?m or lower, a Dv50 in the range of 5.1 to 12.5 ?m, and a ratio of Dv ? ? 90 - Dv ? ? 10 Dv ? ? 50 in the range of 1.5 to 4.2. The present invention also discloses processes for preparing the dry powder using jet milling, and processes of applying the dry powder composition to a metal surface. Furthermore, the present invention discloses the uses of the dry powder composition as a bonding material or as an adhesion promoter in a polymer compound.
Abstract: Provided are a core shell particle including a core which contains a Group III element and a Group V element, and a shell which covers at least a part of a surface of the core and contains a Group II element and a Group VI element, in which a ratio of a peak intensity showing a bond between the Group III element and the Group II element to a peak intensity showing a bond between the Group III element and the Group V element, which is measured by Raman spectroscopy, is in a range of 0.16 to 0.33; a method of producing the core shell particle; and a film formed of the core shell particle.
Abstract: The embodiments described herein generally relate to methods and chemical compositions for coating substrates with a composition. In one embodiment, an adhesive composition is provided comprising a reaction product of a polyacid selected from the group consisting of an aromatic polyacid, an aliphatic polyacid, an aliphatic polyacid with an aromatic group, and combinations thereof, or a diglycidyl ether; and a polyamine; and one or more compounds selected from the group consisting of a branched aliphatic acid, a cyclic aliphatic acid with a cyclic aliphatic group, a linear aliphatic, and combinations thereof. The adhesive composition may be used to cover a substrate.
Type:
Grant
Filed:
June 21, 2017
Date of Patent:
February 14, 2023
Assignee:
HEXION INC.
Inventors:
Charles Zha, Jan Beetge, Leo Elder, John W. Green
Abstract: Provided is an iron oxide powder for a brake friction material which can be suitably used in a brake friction material that is less likely to cause problems regarding brake squealing and that provides superior braking performance. The iron oxide powder for a brake friction material according to a first embodiment of the present invention is characterized by having a sulfur content of 150 ppm or less as measured by combustion ion chromatography, and a saturation magnetization of 20 emu/g or less. The iron oxide powder for a brake friction material according to a second embodiment of the present invention is characterized by having an average particle size of 1.0 ?m or more, a chlorine content of 150 ppm or less as measured by combustion ion chromatography, and a saturation magnetization of 20 emu/g or less.