Abstract: The present disclosure discloses methods for preparing a composite film based on reduced graphene oxide, cellulose nanocrystals, and cellulose nanofibers. The method mainly includes: 1. preparing a suspension mixed with graphite oxide and cellulose; 2. centrifuging the suspension obtained in the step (1) and washing the sediment after centrifuging with deionized water to obtain a solution, homogenizing the solution in a high-pressure homogenizer to obtain a suspension mixed with graphene oxide, cellulose nanocrystals, and cellulose nanofibers; and 3. drying the suspension mixed with graphene oxide, cellulose nanocrystals, and cellulose nanofibers in a petri dish, and soaking a dried film in a hydroiodic acid solution; and washing the soaked film with deionized water to obtain the composite film of reduced graphene oxide, cellulose nanocrystals, and cellulose nanofibers.
Abstract: The present processes are used to convert brown algae into a moldable biopolymer, Specifically, the present processes use a brown algae such as Hormophysa cuneiformis combined with Boswellia Carterii to obtain the moldable biopolymer. Once obtained, the moldable biopolymer can form a composite with other environmentally friendly materials to obtain eco-friendly products, such as a biodegradable and sustainable container.
Abstract: The present invention provides a titanium compound sol solution capable of enabling manufacturing of a film high in transparency and having an excellent photocatalyst effect by low-temperature processing, and a coating film using the same. The present invention is a titanium compound sol solution containing a particulate incomplete condensate obtained by condensing an alkoxy titanium, an ?-substituted ?-diketone, and a solvent.
Abstract: Novel, lubricious coatings for medical devices are disclosed. The coatings provide improved lubricity and durability, and are readily applied in coating processes. The present invention is also directed to a novel platinum catalyst for use in such coatings. The catalyst provides for rapid curing, while inhibiting cross-linking at ambient temperatures, thereby improving the production pot life of the coatings.
Abstract: The present processes are used to convert green algae into a moldable bioplastic. Specifically, the present processes use a green alga such as Cladophora sp. Combined with myrrh to obtain the moldable bioplastic. Once obtained, the moldable bioplastic can form a composite, optionally with other environmentally friendly materials, to obtain eco-friendly products, such as a biodegradable and sustainable container such as a bag.
Abstract: An apparatus includes a substrate having a surface and a transparent photocatalyst coating secured on the surface of the substrate, wherein the transparent photocatalyst coating includes titanium oxide and a component selected from a fluorescent dye, ultra-fine glitter, indium tin oxide, aluminum zinc oxide, silver nitrate, and combinations thereof. The substrate is preferably selected from an appliance handle, doorknob, switch, keyboard, countertop, appliance handle, equipment button, touchscreen, handrail, light emitting device, and light cover. Such substrates are frequently touched by one or more users and may become contaminated. However, the transparent photocatalyst coating may be self-decontaminating.
Abstract: The present processes are used to convert green algae into a moldable bioplastic. Specifically, the present processes use a green alga such as Cladophora sp. Combined with myrrh to obtain the moldable bioplastic. Once obtained, the moldable bioplastic can form a composite, optionally with other environmentally friendly materials, to obtain eco-friendly products, such as a biodegradable and sustainable container such as a bag.
Abstract: A nanocomposite photocatalyst is provided. The nanocomposite photocatalyst contains carbon nitride particles, a polymer composite comprising a conducting polymer and a carbon nanomaterial, the polymer composite being disposed on the carbon nitride particles, and noble metal nanoparticles disposed on both the polymer composite and the carbon nitride particles. Also provided is a method of forming the nanocomposite photocatalyst and a method of photodegrading an organic pollutant in water using the nanocomposite photocatalyst and visible light irradiation.
Type:
Grant
Filed:
March 22, 2022
Date of Patent:
November 21, 2023
Assignee:
NAJRAN UNIVERSITY
Inventors:
M. Faisal, Md. A. Rashed, Jahir Ahmed, Mabkhoot Alsaiari, Mohammed Jalalah, S A. Alsareii, Farid A. Harraz
Abstract: The present invention relates to a composition for use as an adhesive, paint, coating, resin, (surface) size, composite, gel or hydrogel, said composition comprising microfibrillated cellulose (“MFC”). In addition to microfibrillated cellulose, these compositions comprise at least one solvent, said solvent preferably comprising or consisting of water, and at least one compound that is (a) capable of polymerizing, or has already partly or fully, polymerized, and that (b) has at least two groups available for hydrogen bonding, preferably OH groups, that are capable of crosslinking with at least one functional group of the microfibrillated cellulose.
Type:
Grant
Filed:
August 14, 2018
Date of Patent:
November 21, 2023
Assignee:
Borregaard AS
Inventors:
Synnøve Holtan, Katérina Liapis, Tom Stylo, Jan Berg
Abstract: The present invention relates to novel poly(heptazine imides), a photocatalytic system comprising such poly(heptazine imides) and a sulfur source as well as the application thereof in photocatalytic reactions.
Type:
Grant
Filed:
October 27, 2017
Date of Patent:
November 14, 2023
Assignee:
MAX PLANCK GESELLSCHAFT ZUR FÖRDERUNG DER WISSENSCHAFTEN E.V.
Inventors:
Markus Antonietti, Oleksandr Savatieiev, Bogdan Kurpil, Dariya Dontsova
Abstract: A fructose in solid form containing a matrix and a plurality of carbohydrate crystals within said matrix, the matrix containing amorphous fructose and water, wherein the carbohydrate crystals comprise fructose and optionally one or more other carbohydrate(s), and optionally wherein the fructose in solid form is coated with a dry powder coating.
Type:
Grant
Filed:
July 30, 2019
Date of Patent:
November 14, 2023
Assignee:
Cargill, Incorporated
Inventors:
Luigi Nataloni, Angelo Chianese, Marco Stoller
Abstract: Provided herein are cellulose acetate tow bands having less than 0.1 wt. % titanium dioxide, wherein the content of titanium dioxide is measured by ashing and/or by titanium particle count density. Also provided herein is a method of measuring the titanium dioxide content of cellulose acetate tow by ashing. Also provided herein is a method for measuring the color of cellulose acetate tow.
Type:
Grant
Filed:
April 22, 2020
Date of Patent:
November 14, 2023
Assignee:
ACETATE INTERNATIONAL LLC
Inventors:
Susan Blankenship, Dirk Amtower, Michael Combs, Christopher M. Bundren, Karen Zazzara
Abstract: The invention describes a process for the photocatalytic reduction of carbon dioxide carried out in the liquid phase and/or in the gas phase under irradiation employing a photocatalyst of microporous crystalline metal sulfide type, said process being carried out by bringing a charge containing the CO2 and at least one sacrificial compound into contact with said photocatalyst, then by irradiating the photocatalyst by at least one irradiation source producing at least one wavelength lower than the bandgap width of said photocatalyst, so as to reduce the CO2 and to oxidize the sacrificial compound, so as to produce an effluent containing, at least in part, C1 or more carbon-based molecules other than CO2.
Type:
Grant
Filed:
June 16, 2020
Date of Patent:
November 7, 2023
Assignee:
IFP Energies Nouvelles
Inventors:
Antoine Fecant, Raquel Martinez Franco, Gerhard Pirngruber, Philibert Leflaive
Abstract: A metal oxide nanocomposite including metal oxide nanoparticles distributed over a carboxymethyl cellulose (CMC) shell. The metal oxide nanoparticles include at least one metal oxide nanoparticle selected from nickel oxide nanoparticles and cobalt oxide nanoparticles. A working electrode can be modified with the metal oxide nanocomposite to provide a nanohybrid electrode. The nanohybrid electrode can be effectively used in urea fuel cells (UFCs) to achieve electrochemical oxidation of urea.
Type:
Grant
Filed:
February 20, 2023
Date of Patent:
October 31, 2023
Assignee:
KING FAISAL UNIVERSITY
Inventors:
Hany Mohamed Abd El-Lateef Ahmed, Mohammed Gouda, Mai Mustafa Khalaf Ali, Fatimah Abdrabalameer Salman
Abstract: Disclosed herein are embodiments of a composition for use in forming films or coatings that prevent damage in foodstuffs, including plants, fruits, and vegetables. The disclosed compositions comprise a cellulose nanomaterial and can further comprise a nanoscale mineral compound and one or more additional components. Also disclosed are films or coatings made using the disclosed compositions, as well as methods for making the disclosed compositions and methods for using the disclosed compositions.
Type:
Grant
Filed:
July 23, 2021
Date of Patent:
October 24, 2023
Assignee:
Oregon State University
Inventors:
Yanyun Zhao, John Simonsen, George Cavender, Jooyeoun Jung, Leslie H. Fuchigami
Abstract: A composite photocatalyst, a photocatalytic filter for air purification, and an air purification device that includes the photocatalytic filter. The composite photocatalyst includes: a first metal oxide particle; and second metal oxide particles arranged on a surface of the first metal oxide particle, wherein specific surface area of the second metal oxide particles is greater than specific surface area of the first metal oxide particle, and bandgap energy of the second metal oxide particles is greater than bandgap energy of the first metal oxide particle. The composite photocatalyst structure may degrade and remove gaseous pollutants under room temperature and atmospheric pressure conditions. The composite photocatalyst may be applied to various indoor and outdoor air purification systems in the form of a photocatalytic filter.
Type:
Grant
Filed:
July 28, 2021
Date of Patent:
October 24, 2023
Assignees:
SAMSUNG ELECTRONICS CO., LTD., MYONGJI UNIVERSITY INDUSTRY AND ACADEMIA COOPERATION
Inventors:
Sangmin Ji, Hyukjae Kwon, Minseok Koo, Sukeun Kuk, Dongsik Yang, Hyun Chul Lee, Joeng Gil Seo, Namjun So
Abstract: A sliding member which has low sliding resistance, can prevent the leakage of a liquid, has low dust emission properties and low leachability, and can be manufactured in a simple manner; and a method for manufacturing the sliding member. The sliding member includes an elastic molded body which is coated with a coating layer composition containing an amino-modified silicone compound having a silanol group and/or an alkoxysilyl group and also having an amino-containing group in a side chain. The method for manufacturing the sliding member includes the steps of: preparing the coating layer composition containing the amino-modified silicone compound having the silanol group and/or the alkoxysilyl group and also having the amino-containing group in a side chain; applying the coating layer composition to the elastic molded body; and coating the elastic molded body with the coating layer composition.
Abstract: Provided herein are cellulose acetate tow bands having less than 0.1 wt. % titanium dioxide, wherein the content of titanium dioxide is measured by ashing and/or by titanium particle count density. Also provided herein is a method of measuring the titanium dioxide content of cellulose acetate tow by ashing. Also provided herein is a method for measuring the color of cellulose acetate tow.
Type:
Grant
Filed:
April 22, 2020
Date of Patent:
October 3, 2023
Assignee:
ACETATE INTERNATIONAL LLC
Inventors:
Susan Blankenship, Dirk Amtower, Michael Combs, Christopher M. Bundren, Karen Zazzara
Abstract: A composition for a stainless coating according to the present disclosure includes a sodium silicate, a lithium silicate, a polysiloxane, ethanol, and a residual solvent. The composition may be uniformly and smoothly coated on a curved, stainless steel surface, cleaning may be easier, and yellowing may be reduced or prevented.
Type:
Grant
Filed:
December 15, 2020
Date of Patent:
September 26, 2023
Assignee:
LG ELECTRONICS INC.
Inventors:
Soyoon Kim, Dong Jin Kim, Juwon Kim, Hyunwoo Jun, Jaekyung Yang