Patent classifications
B01J20/28066
COLUMN FILLER FOR LIQUID CHROMATOGRAPHY
The present invention provides a column filler for liquid chromatography that has a great adsorption capacity, adjustable adsorption selectivity, and high shape retainability and therefore is usable for measurement of various substances and capable of achieving excellent separation performance and a high filling rate in a column when used as a column filler for liquid chromatography. Provided is a column filler for liquid chromatography including carbon-coated porous particles, the carbon-coated porous particles including porous particles each having a coating layer containing an amorphous carbon on a surface.
Activated carbons with high surface areas and methods of making same
Activated carbons with high surface areas are produced from a synergistic activation effect triggered at high temperatures by a predetermined combination of chemical activation agents derived from weak acidic salts, and/or weak basic salts, and/or neutral salts, and/or compounds. In one embodiment, a method of the present invention comprises mixing a carbon precursor with a first component comprising a first salt and at least one second component selected from the group consisting of a second salt, a compound and combinations thereof, in an inert environment or in carbon dioxide and/or steam environment.
TITANIUM HETEROMETALLIC METAL-ORGANIC SOLIDS, METHOD FOR OBTAINING THEM AND THEIR USES
The present invention relates to a new family of titanium heterometallic structured metal-organic materials (MOFs) having, among other characteristics, high porosity, stability in an aqueous medium and photocatalytic activity under visible light and UV radiation. The new family of materials has a structural unit that combines tetravalent titanium with multiple combinations of divalent metals with a homogeneous distribution at atomic level in the MOF structure.
The invention also relates to methods for obtaining them with high yields, in addition to their uses in the generation of solar fuels, photoactivated degradation, photoreduction of CO.sub.2, heterogeneous catalysis, as a component or part of an electronic component and/or as a porous or photoactive coating for controlling pollutants, inter alia.
ACTIVATED CARBON
There is provided an activated carbon having a high total trihalomethane filtration capacity, even in water treatment by passing water at a high superficial velocity (SV). In the activated carbon of the present invention, a pore volume A of pores with a size of 1.0 nm or less, of pore volumes calculated by the QSDFT method, is 0.3 cc/g or more, and a pore volume B of pores with a size of 3.0 nm or more and 3.5 nm or less, of pore volumes calculated by the QSDFT method, is 0.009 cc/g or more.
Methods of producing organosilica materials and uses thereof
Methods of preparing organosilica materials using a starting material mixture comprising at least one compound of Formula [(RO).sub.2SiCH.sub.2].sub.3 (Ia) and at least one compound of Formula [R′ROSiCH.sub.2].sub.3 (Ib), wherein each R′ independently represents an RO—, an R group, or an (RO).sub.3Si—CH.sub.2— group, at least one R′ being (RO).sub.3Si—CH.sub.2—; and R represents a C.sub.1-C.sub.4 alkyl group, in the absence of a structure directing agent and/or porogen are provided herein. Processes of using the organosilica materials, e.g., for gas separation, etc., are also provided herein.
CARBON-BASED COMPOSITIONS WITH HIGHLY EFFICIENT VOLUMETRIC GAS SORPTION
The present application is generally directed to gas storage materials such as activated carbon comprising enhanced gas adsorption properties. The gas storage materials find utility in any number of gas storage applications. Methods for making the gas storage materials are also disclosed.
Adsorption cooling system using carbon aerogel
An adsorptive cooling system includes: a first highly adsorptive structure positioned to receive thermal energy from a thermal energy source, the first highly adsorptive structure including: a first substrate; and a first carbon aerogel adhered to the first substrate, a second highly adsorptive structure positioned to receive thermal energy from the thermal energy source, the second highly adsorptive structure including: a second substrate; and a second carbon aerogel adhered to the second substrate, a cooling unit; and a circulation system adapted for circulating the refrigerant from at least one of the first highly adsorptive structure and the second highly adsorptive structure to the cooling unit to provide cooling from the thermal energy source and to return the refrigerant from the cooling unit to at least one of the first highly adsorptive structure and the second highly adsorptive structure.
Chromatographic materials
In one aspect, the present invention provides a chromatographic stationary phase material for various different modes of chromatography represented by Formula 1: [X](W).sub.a(Q).sub.b(T).sub.c (Formula 1). X can be a high purity chromatographic core composition having a surface comprising a silica core material, metal oxide core material, an inorganic-organic hybrid material or a group of block copolymers thereof. W can be absent and/or can include hydrogen and/or can include a hydroxyl on the surface of X. Q can be a functional group that minimizes retention variation over time (drift) under chromatographic conditions utilizing low water concentrations. T can include one or more hydrophilic, polar, ionizable, and/or charged functional groups that chromatographically interact with the analyte. Additionally, b and c can be positive numbers, with the ratio 0.05≤(b/c)≤100, and a≥0.
Porous silica and deodorant comprising the same
To provide a porous silica which is capable of effectively eliminating odors of methyl mercaptan, hydrogen sulfide, nonenal and the like, said odors being difficult to be eliminated by a silica porous material that contains no metal. A porous silica containing particles that are provided with primary pores, wherein the particles contain a metal containing substance complex having a particle size of 1-100 nm. This porous silica has a specific surface area of 500 m.sup.2/g or more.
Methanesulfonic Acid Mediated Solvent Free Synthesis of Conjugated Porous Polymer Networks
The present disclosure relates to synthesis of porous polymer networks and applications of such materials. The present disclosure relates to a method of fabricating of a porous polymer network comprising: (a) providing: (i) a first reactant comprising a plurality of compounds comprising at least one acetyl group, said plurality of compounds comprising at least one compound type, and (ii) a second reactant comprising an alkylsulfonic acid, and (b) creating a solution of said reactants, (c) casting said solution in a form, and (d) treating said solution under such conditions so as to produce a porous polymer network. In one embodiment, the invention relates to a porous polymer network which has a basic structure selected from the group consisting of
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