28 results about "Amine functionalization" patented technology

A nanoparticle-well treatment additive complex comprising an amine functionalized silica nanoparticle, and a well treatment additive, where the well treatment additive is releasably attached to an amine group of the amine functionalized silica nanoparticle is disclosed. Methods of using the amine functionalized silica nanoparticle is also disclosed.

Compositions of nanoparticles and surfactants for improved water injectivity are disclosed. More specifically, synergistic combination of nanoparticles, including amine functionalized colloidal nanoparticles and surfactants, provides enhanced water injectivity and increased oil production. Methods of using are also disclosed.

A preparation method and use of an amine-functionalized adsorption material with highly dispersed active sites are provided. The preparation method includes: placing a graphene aerogel (GA) in a tube furnace, and conducting a thermal reduction treatment; placing a thermally reduced sample in a plasma vapor deposition tube, and subjecting the sample to a plasma treatment in different atmospheres under vacuum to produce a carrier; drying the carrier overnight; adding a polyamino organic amine and the carrier to a reactor, and heating in a forced air oven; taking a reaction product out, and removing an organic amine adhering to a surface of the reaction product; soaking in ethanol, and drying overnight in the forced air oven to produce the amine-functionalized adsorption material with highly dispersed active sites.

Disclosed herein is an aqueous coating composition containing an aqueous epoxy resin dispersion, an aqueous amine-functional resin dispersion and an aromatic carboxylic acid. The aqueous dispersion contains at least one specific di- and / or polyfunctional monomeric amine and at least one resin component including at least one specific polyfunctional organic amine. Further disclosed herein is a kit-of-parts including a base varnish containing the aqueous epoxy resin dispersion and a curing component containing the aqueous amine-functional resin dispersion as well as the aromatic carboxylic acid. Additionally disclosed herein is a process for producing a coating on the substrate as well as coated substrates resulting from said process. Cured coating layers formed from said compositions exhibit a good adhesion to the substrate as well as a high intercoat adhesion and blistering stability under humidity conditions without negatively influencing the excellent sandability and the good stone chipping properties.

The instant disclosure relates to textile materials having an acid reactive functionalized polymer layer and a non-acid reactive functionalized layer coupled thereto. The acid reactive functionalized polymer layer may include: a polyamide polymer that captures and neutralizes acidic molecules; a hydrophilic polyether block amide copolymer; a maleic anhydride-grafted ethylene copolymer; and a non-halogenated flame retardant. The acid reactive functionalized polymer layer is fire resistant, acid neutralizing, and allows water vapor to transfer therethrough. The non-acid reactive functionalized layer and acid reactive functionalized polymer layer are free of per- and polyfluoroalkyl substances. The polyamide may include Nylon 12, Nylon 6, or Nylon 6,6 functionalized with an amine (e.g., a pyridine derivative and / or a halogenated-dimethylalkylamine) having a nitrogen that captures and neutralizes acidic molecules. The halogenated-dimethylalkylamine may include a general chemical formula of (CH3)2N—R—X, where R is an alkyl containing 1-12 carbon atoms, and X is chlorine or bromine.

The invention relates to a method of producing sorbent granulates for separation of carbon dioxide from a fluid mixture, the method comprising providing particles of an amine functionalized sorbent material having amine groups chemically bound to the sorbent material surface which are ground into powder particles; and granulating the powder particles with added binder into sorbent granulates, wherein the sorbent granulates have a diameter in a range of 0.1-25 millimeter. The invention also relates to said produced sorbent granulate.

A sensor for measuring acetone includes: an array of nanowires extending from a substrate, each of the nanowires having a corresponding surface substantially composed of a compound semiconductor and a diameter of less than 100 nm; an electrical contact material disposed on a first portion of the surface of each nanowire to form a Schottky barrier contact with the first portion; an amine-functionalized polymer disposed on the nanowires to functionalize a second portion of the surface of each nanowire; and an electrical contact with the substrate for measuring a current flowing between the electrical contact and the Schottky barrier contact on the nanowire when the nanowire is exposed to light or biased, such that when the nanowire is exposed to a mixture of molecules including acetone, the measured current characterizes the concentration of acetone in the mixture.

The present invention relates to mesoporous amine-functionalized silica catalysts with worm-hole or channel-like morphology, prepared using 3-aminopropyl trimethoxysilane (3- APTMS) or 3-aminopropyltriethoxysilane (APTES). The catalysts exhibit average pore diameters of 1-100 nm and specific surface areas of 100-1,000 m2 / g. The preparation process involves mixing Pluronic P123 with hydrochloric acid at 30-40°C, followed by addition of a mixture of 3-APTMS or 3-APTES with tetraethyl orthosilicate (TEOS), and subsequent hydrothermal treatment. The choice of precursor determines morphology: 3- APTMS yields worm-hole structures, while 3-APTES produces channel-like structures. These catalysts efficiently convert epoxides and carbon dioxide into cyclic organic carbonates with excellent yield. Additionally, the invention discloses a process for preparing styrene carbonate-coated zinc anodes and assembling full cells incorporating these anodes, significantly enhancing the durability of aqueous rechargeable zinc-metal batteries (ARZMBs).

The process of making amine magnetic nanoparticle biocomposites from rice husk fiber and sugarcane fiber can be done in one step reaction process. The addition of different concentrations of amine sources gives different results in terms of the amount of amine functionalized on the magnetic surface of the nanoparticles. Rice husk and sugarcane bagasse are activated by delignification, washing, and drying. Rice husk fiber and sugarcane bagasse fiber are used as a matrix in the magnetic nanoparticle biocomposite. The combination of the basic material forming the magnetic and rice husk fiber and sugarcane bagasse fiber is carried out in a solvothermal reactor through heating and washing. The resulting biocomposite has specific functional groups in the form of amine groups that can be applied in the fields of biomedical, sensors, and advanced materials.

Provided herein are amine-functionalized cellulose polymers useful for carbon dioxide capture and methods of preparation and use thereof.

An ink set for inkjet printing comprising an aqueous liquid containing an organic resin particle comprising a first resin having at least one repeating unit functionalized with a primary amine and an aqueous inkjet ink containing a colorant and a second resin capable of reacting with the primary amine functional group of the first resin.

Described herein are methods of making or regenerating solid sorbent composites comprising an amine and a porous support. The solid adsorbent composite exhibits a high adsorption capacity for carbon dioxide. The solid adsorbent composite material shows ideal hydrothermal and cycling stability.

Primer layers for adhesion of a pressure sensitive adhesive material to a substrate are provided. The primer layer comprises a crosslinked polymer. In some embodiments, the primer layer has an atomic nitrogen content of greater than 6 wt %, and in some a ratio of atomic weight percent of oxygen to nitrogen of less than 3.0. In some embodiments the crosslinked polymer is the reaction product of an amine-functional base polymer such as a polyethylenimine (PEI) and a crosslinker, which may be a polyaziridine crosslinker. Also provided are two-layer constructions comprising the primer layer and a substrate layer; and tapes, such as flexographic plate mounting tapes, comprising the two-layer construction and a pressure sensitive adhesive layer.

An adhesive composition is shown and described herein. The composition comprises a silylated polyurethane, an epoxy functional compound, and an amine functional compound. These ingredients are provided to control the molar ratio of amine active hydrogen (AH) to epoxy (E) groups. By controlling the molar ratio of amine active hydrogen to epoxy, an adhesive having excellent adhesion and strength to various types of substrates is provided.

A sorbent for direct air capture of CO2 includes a porous amine-functionalized polymeric material including a rigid crosslinker having one or more proton binding sites configured to bind a hydronium ion under wet conditions of the direct air capture of CO2, the sorbent having an amine efficiency greater than 0.3.

Polymers for use as an Anion Exchange Membranes (AEMs) and produce an alkaline stable AEM. The multinuclear aromatic and amine-functionalized acetal (ketal) come together to form a polymer with a hydrocarbon backbone that is stable to alkaline conditions. The use of an amine-functionalized acetal allows for the incorporation of a stable cation, dimethyl piperidinium, in the most stable confirmation while avoiding incorporation of a CF3 group with every cation. The amines within the amine-functionalized polyaromatic that results from this polymerization are quaternized to form the desired cationic groups to create an AEM that is mechanically robust, conductive, and stable.

Disclosed are systems for treating a substrate comprising a deoxidizing composition and a coating composition. The deoxidizing composition comprises a Group IVA metal and / or a Group IVB metal and free fluoride, optionally may comprise a homopolymer or copolymer comprising a phosphorous-containing monomeric subunit, and has a pH of 1.0 to 3.0. The coating composition comprises first and second components and elastomeric particles. The first component comprises an epoxy-containing compound (E1) and / or an epoxide-functional adduct (E2). The second component comprises a diamine and / or a polyamine comprising a cyclic ring (A2) and / or an amine-functional adduct (A3). The present invention is also directed to methods of making the compositions, methods of coating a substrate, and coated substrates.

This invention relates to the production of a hybrid structure composed of ruthenium nanoparticles and an amine-functionalized network-interwoven co-polymer support material, which can be used in nanomaterials, catalysis, and energy storage systems, and its application in hydrogen energy production. Its characteristic feature is that 400 mg of amine-functionalized copolymer polystyrene is transferred to a two-necked round bottom flask, a solution is prepared by adding 10 ml of pure water, a ruthenium precursor salt is added to the solution, the mixture is stirred on a magnetic stirrer at 600 rpm at room temperature for 3 hours, 1.0 ml of aqueous 46.74 mg (1.23 mmol) NaBH4 solution is added to the solution for the reduction process, ruthenium(III) ions are reduced to metallic ruthenium(O) nanoparticles by NaBH4, the mixture is centrifuged at 6000 rpm for 10 minutes to separate the solid and liquid phases, the obtained solid product is washed three times with 20 ml of ethanol to remove remaining chemical residues, the purified hybrid catalyst is dried at 423 K under 0.1 bar vacuum for 12 hours, and the ruthenium / amine-functionalized copolymer PS catalyst is obtained and made ready for use, comprising these process steps.

A cationic polymer nanoparticle, functionalized with primary amines, characterized in that said nanoparticle comprises a resin having at least a) a repeating unit selected from the group consisting of an allyl amine and a vinyl amine, b) an oxalyl amide crosslinking unit and c) a repeating unit according to general formula (I) and / or general formula (II); the particle can be dispersed in an aqueous vehicle to be used in inkjet printing.

The invention discloses a composite nanofiber filter material for synergistically removing particulate matters and sulfur dioxide and a preparation method of the composite nanofiber filter material, and belongs to the technical field of flue gas purification filter materials. According to the invention, an electrostatic spinning polyimide (PI) nanofiber is used as a substrate, and an amine-functionalized UiO-66-NH2 crystal grows in situ on the surface of the fiber to construct a PI-coated UiO-66-NH2 composite fiber membrane with a core-shell structure. The filter material depends on a surface filtering mechanism of electrostatic spinning nanofibers, and has excellent blowback regeneration performance; the UiO-66-NH2 shell layer can provide abundant Zr-OH defect sites and alkaline amino (NH2) active sites, so that the targeted adsorption and selective removal capability on sulfur dioxide (SO2) is remarkably improved. The prepared composite fiber filter material effectively solves the problems that a traditional fiber filter material is difficult in reverse blowing regeneration, single in function, difficult to synergistically remove particles and SO2 and the like, and can be widely applied to the fields of industrial high-temperature flue gas filtration and deep purification of waste gas.

The application discloses a lotus seed composite enzymolysis synergistic method, which adopts a composite pretreatment liquid composed of sodium bicarbonate, sodium sulfite and trisodium citrate to realize lotus seed wall breaking and enzyme inhibitor pretreatment; a bifunctional modified cyclodextrin is prepared through epoxy activation, amine functionalization and hydrophobic modification, and the bifunctional modified cyclodextrin realizes target inclusion of the enzyme inhibitor through hydrogen bond and hydrophobic double action; the composite enzyme preparation used is composed of cellulase, pectinase, neutral protease and alpha-amylase in a specific ratio, and realizes synergistic and efficient enzymolysis in cooperation with the bifunctional modified cyclodextrin; after enzymolysis, high-temperature inactivation, filtration and separation are carried out, the residue is compounded back to the enzymolysis liquid after activation treatment, and finally, the finished product is obtained through ultraviolet sterilization. The application solves the problems of low enzymolysis efficiency, enzyme activity susceptible to inhibition, raw material waste and poor product stability in the prior art, realizes full-component utilization of lotus seeds, and the product is complete in nutrition, good in stability, and high in enzymolysis efficiency and product quality.

Compositions of nanoparticles and surfactants for enhanced gas lift through increased foaming heights and foam stability are disclosed. More specifically, synergistic combination of nanoparticles, including amine functionalized colloidal nanoparticles and surfactants, provides enhanced gas lift and increased oil production are disclosed. Methods of using are also disclosed.

The invention discloses a method for preparing a CO2 adsorbing material by modifying fine coal gasification slag, which comprises the following steps: pretreating the fine coal gasification slag, preparing into aqueous slurry, and separating to obtain a carbon-rich component; mixing the carbon-rich component with an activating agent and a pore-forming agent, performing activating treatment in an inert atmosphere, and performing acid pickling, water washing and drying to obtain a hierarchical pore carbon material; and finally, carrying out organic amine functionalization treatment on the hierarchical porous carbon material. The CO2 adsorption material obtained by the method is of a porous structure, the specific surface area is 352-548m < 2 > / g, the total pore volume is 0.40-0.55 cm < 3 > / g, and the CO2 adsorption capacity is 2.7-3.3 mmol / g under the conditions of 25 DEG C and 1atm. The method has the advantages of simple process equipment, mild conditions, easiness in large-scale production and low cost, realizes solid waste resource utilization, has excellent adsorption performance and cycling stability, and meets the requirements of green sustainable development.

A nanoparticle-well treatment additive complex comprising an amine functionalized silica nanoparticle, and a well treatment additive, where the well treatment additive is releasably attached to an amine group of the amine functionalized silica nanoparticle is disclosed. Methods of using the amine functionalized silica nanoparticle is also disclosed.

The invention discloses amide functionalized copper nitride and a preparation method and application thereof, and belongs to the technical field of electrocatalysts.The amide functionalized copper nitride is obtained by taking a copper organic metal framework material as a precursor and conducting heat treatment under the ammonia atmosphere, the amide functionalized copper nitride can be used for preparing 2, 5-dimethylolfuran (DHMF) through electro-catalytic hydrogenation of 5-hydroxymethylfurfural (HMF), and the preparation method and application of the amide functionalized copper nitride are wide in application prospect. The problem of low active hydrogen generation rate of a copper-based catalyst is solved; meanwhile, the surface of the copper nitride is modified with a large number of amide functional groups, an electrostatic attraction effect on HMF is achieved, the local HMF concentration of the surface of the electrocatalyst can be improved, and then the capacity of an HMF electrocatalytic hydrogenation reaction is improved.

The present application relates to a kind of primary amine functionalized chiral covalent organic framework and its preparation method and application, it is related to the field of catalyst technology.The primary amine functionalized chiral covalent organic framework, high crystallinity, porous and uniform spherical shape can effectively catalyze the asymmetric aldol condensation reaction between cyclohexanone and nitrobenzaldehyde in the presence of water, its reaction yield and ee value are up to 90% and 85% respectively, it is the first chiral COF catalyst that can not use any organic solvent, in aldol condensation reaction in pure water with high reaction activity and enantiomeric selectivity.The primary amine functionalized chiral covalent organic framework not only opens a new way for designing primary amine functionalized chiral COF for asymmetric catalysis, but also lays an important foundation for further exploring green chiral catalysts that can effectively catalyze enantiomeric selective reaction in water.