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211 results about "Quaternary ammonium ions" patented technology

Stripping and cleaning compositions for microelectronics

Aqueous, silicate free, cleaning compositions of about pH 9 or below and method of using the cleaning compositions for cleaning microelectronic substrates, which compositions are able to essentially completely clean such substrates and produce essentially no metal corrosion of the metal elements of such substrates. The aqueous cleaning compositions of this invention have (a) water, (b) at least one of ammonium and quaternary ammonium ions and (c) at least one of hypophosphite (H2PO2−) and / or phosphite (HPO32−) ions. The cleaning compositions also may contain fluoride ions. Optionally, the composition may contain other components such as organic solvents, oxidizing agent, surfactants, corrosion inhibitors and metal complexing agents.
Owner:AVANTOR PERFORMANCE MATERIALS LLC

Polyolefin-based nanocomposite and preparation thereof

A polyolefin-based nanocomposite and a method of preparing the same are disclosed. The polyolefin-based nanocomposite is prepared by melt kneading a mixture including (A) 40-99.8% by weight of a matrix polymer of polyolefin; (B) 0.1-30% by weight of a polyolefin compatilizer containing polar reactive groups; and (C) 0.1-30% by weight of a layered clay material having a quaternary ammonium ion bonded to the surface thereof. The quaternary ammonium ion contains (I) at least one alkyl group having at least 15 carbon atoms; and (ii) a substitutent having —Si—O—Si—linkage and at least one terminal reactive group.
Owner:IND TECH RES INST

Method for producing propylene oxide

A method for producing propylene oxide by reacting propylene with ethylbenzene hydroperoxide, wherein the reaction is conducted in the presence of a catalyst comprising a titanium-containing silicon oxide and satisfying all of the following conditions (1) to (6):(1) there is at least one peak showing a interplanar spacing (d) larger than 18 Å in X-ray diffraction;(2) an average pore size is 10 Å or more;(3) a pore size of 90% or more of the total pore volume is 5 to 200 Å;(4) a specific pore volume is 0.2 cm3 / g or more;(5) a quaternary ammonium ion represented by the following general formula (I) is used as a template and then said template is removed by calcination operation:wherein R1 represents a linear or branched hydrocarbon chain having 2 to 36 carbon atoms, and R2 to R4 represent an alkyl group having 1 to 6 carbon atoms; and(6) The catalyst has been subjected to silylation treatment.
Owner:SUMITOMO CHEM CO LTD

Silver halide emulsion, silver halide photosensitive material, and photothermographic material

A silver halide emulsion containing a compound represented by the following formula (1) or (2): wherein R1 represents an OH group, an SH group, or an —NR2R3 group in which R2 and R3 each independently represent a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkylsulfonyl group, or an arylsulfonyl group; L represents an alkenylene group, an arylene group, an —N═N— group, a divalent aromatic heterocyclic group, or a —C(R4)═N— group in which R4 represents a hydrogen atom, an alkyl group, an aryl group, or a heterocyclic group; n represents 0 or 1; X and Y each independently represent a nitrogen atom or a —CR5— group in which R5 represents a hydrogen atom or a substituent bondable to the carbon atom; Z represents an atomic group in the 5- to 7-membered ring; and M represents a hydrogen atom, a metal ion, or a quaternary ammonium ion.
Owner:FUJIFILM HLDG CORP +1

Heterocyclic compounds having tachykinin receptor antagonist activity their preparation and their use

Compounds of the formula and quaternary ammonium ions thereof, wherein R1 and R2 are the same or different and are carbocyclic aryl or aromatic heterocyclic; A is methylene, carbonyl or sulfonyl; B is a single bond, C1-C4 alkylene or C2-C4, alkenylene; D is oxygen; E is C2 alkylene; G is C1-C4 alkylene or C2-C4 alkenylene; and L is -C(R4)(R5), wherein R4 and R5 together with the carbon atom to which they are attached represent a C5-C10 cycloalkyl or a C5-C10 heterocyclic. Especially preferred are compounds wherein L represents wherein J is a C1-C6 alkylene; Ar is a ring carbocyclic or aromatic heterocyclic and S*->O is a sulfoxide in which the sulfur atom is in the 5-configuration. The compounds have tachykinin receptor antagonist activity and exhibit an activity against both the NK1 and NK2 receptors.
Owner:SANKYO CO LTD

Ink composition, ink cartridge, recording method, and recorded product

An ink composition comprising: a betaine-based surfactant represented by the following general formula (1), a defoaming agent in the form of a glycol ether represented by the following general formula (2), and / or a glycol ether represented by the following general formula (3): (R)p—N-[L-(COOM)q]r   Formula (1) (wherein, R represents a hydrogen atom, alkyl group, aryl group or heterocyclic group, L represents a divalent or more linking group, M represents a hydrogen atom, alkaline metal atom, ammonium group, protonated organic amino or nitrogen-containing heterocyclic group or quaternary ammonium ion group, or represents a group that does not exist as a cation in the case of being a counter ion of an ammonium ion formed by an N atom in formula (1), q represents an integer of 1 or more, r represents an integer of 1 to 4, p represents an integer of 0 to 4, p+r is 3 or 4, N is a nitrogen atom that composes a quaternary amine in the case p+r is 4, R may be the same or different when p is 2 or more, COOM may be the same or different when q is 2 or more, and L-(COOM)q may be the same or different when r is 2 or more); (wherein, R represents an alkyl group having 5 or 6 carbon atoms, and n represents an integer of 1 to 3); (wherein, R represents an alkyl group having 4 to 6 carbon atoms, and n represents an integer of 1 to 3).
Owner:SEIKO EPSON CORP

Modified acidic ion-exchange resin and method for preparing bisphenol

The present invention provides an ion-exchange resin catalyst, as a catalyst for preparing bisphenol from phenol compounds and ketone, which has a higher selectivity to bisphenol and a longer life time, as compared to a conventional ion-exchange resin, and a method for preparing the same. The present invention also provides a method for preparing bisphenol comprising reacting phenol compounds with ketone, wherein the modified acidic ion-exchange resin in which at least one kind of cationic compound selected from the following (a), (b), (c) and (d) ionically binds to an acidic functional group, is used as a catalyst: (a) a quaternary phosphonium ion, (b) a quaternary ammonium ion, (c) a bis(phosphoranylidene) ammonium ion, and (d) an N-substituted nitrogen-containing aromatic cation.
Owner:MITSUI CHEM INC

Ink for inkjet recording, image forming method, image forming apparatus and image formed material

An ink for inkjet recording includes a colorant; an organic solvent; a surfactant; and water. The organic solvent includes a polyol having a solubility parameter (SP value) of from 11.8 to 14.0 (components A) or an oxetane compound having the following formula (I) (components B):wherein R′ represents an alkyl group having 1 to 2 carbon atoms.The content of at least one member of the components A or the components B is from 30 to 70% by weight per 100% by weight of the ink.The colorant is a hydrodispersible pigment having a functional group selected from the group consisting of —COOM, —SO3M, —PO3HM, —PO3M2, —CONM2, —SO3NM2, —NH—C6H4—COOM, —NH—C6H4—SO3M, —NH—C6H4—PO3HM, —NH—C6H4—PO3M2, —NH—C6H4—CONM2 and —NH—C6H4—SO3NM2, wherein M is a quaternary ammonium ion.
Owner:RICOH KK

Fuel oil desulfurization process by ionic liquid extraction-photocatalytic oxidation method

The present invention discloses a desulfurization method for ionic liquid extraction-photocatalytic oxide fuel oil. The fuel oil and the ionic liquid are mixed and stirred into a reaction system according to the volume proportion of 1:10 to 1:0.1; one of H2O2, Fenton agent and O2 in the air is used as the oxidant and nano TiO2 is used as the photocatalyst; the oxidant and the photocatalyst are added into the mixed system of the ionic liquid and the fuel oil; a high-pressure mercury lamp is used as the light source for radiation; after reacting for 5 to 60 minutes, the fuel and the ionic liquid separate; the sulfocompound in the fuel oil is oxidized into polar substance and transferred into the ionic liquid for desulfurization from the fuel oil. The present invention adopts the cheap quaternary ammonium ion as the extractant and the ionic liquid can be recycled, thus reducing the reaction cost; the present invention is operated under normal temperature and pressure with simple equipment and convenient operation; the reaction time of the present invention is short, which is conducive to the industrial production.
Owner:HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY

Method for separating butane and butene by using multiple mixed solvent

The invention relates to a method for spearing butane from butylene with the multicomponent compound of ionic liquid, saline, ethyl methyl ketone and N-formylmorpholine. The content of ionic liquid in the multicomponent compound is 1.0 to 95 percent; the content of the saline in the multicomponent compound is 0.5 to 20 percent; the electropositive ion of the ionic liquid is iminazole electropositive ion, alkyl imidazole electropositive ion or alkyl quaternary ammonium ion, or the compound thereof; the electronegative ion is tetrafluoroborate electronegative ion, hexafluorophosphoric acid electronegative ion, nitrate ion, tetrachloro aluminic acid iron, heptachlor bi aluminic acid iron, chloride ion, bromine electronegative ion or the mixture; and the ionic liquid can be dimethylformamide potassium thiocyanate compound salt, dimethylformamide sodium sulfocyanate compound salt, or the compound; the saline is potassium thiocyanate, sodium sulfocyanate, ammonium thiocyanate, sodium nitrate, potassium nitrate, sodium iodide, potassium iodide, zinc chloride, copper chloride, zinc chloride, potassium bromide, or the compound thereof.
Owner:YANTAI UNIV

Electrophotographic electrically conductive member

The present invention provides an electrophotographic electrically conductive member in which conductivity needed for a charging member is secured, and defects in an image attributed to uneven discharging can be minimized independently of a long-term use and an environment of use. An electrophotographic electrically conductive member comprising an electrically conductive support and an electrically conductive layer, wherein the electrically conductive layer includes an ion conductive resin having a quaternary ammonium ion in a molecule structure as a binder resin, and a carrier molecule represented by the following formula (1) or (2):(wherein n1 and n2 each independently represent an integer of 1 to 4).
Owner:CANON KK

Antimicrobial nanocomposite compositions, fibers and films

In the present disclosure, silver ions, copper ions, quaternary ammonium compounds and cationic drugs such as sulphanilamide, chlorhexidine acetate, etc., used as antibacterial agents are incorporated into fibers, filaments and films through nanoclays. The nanoclays serve as a carrier for the antimicrobial agents and are incorporated into the fiber-forming polymer. In one embodiment, the biocidal metals and organic compounds are incorporated into the clay structure via an ion exchange reaction. Nylon nanocomposite filaments and films based on copper and quaternary ammonium ion modified clays provide 100% antibacterial activity against Gram positive Staphylococcus aureus and Gram negative Escherichia coli bacteria at an optimum clay loading of 0.75% (by weight), and the activity is retained up to 50 washes. The resulting filaments show enhanced mechanical properties such as tensile strength and modulus, and find application in areas of medical textiles like sutures, wound dressings and health & hygiene textiles. In addition, they can be integrated into protective clothing, body garments, sportswear and upholstery.
Owner:INDIAN INST OF TECH DELHI

Novel crosslinked alkaline polyarylether anion exchange membrane as well as preparation method and application thereof

The invention discloses a novel crosslinked alkaline polyarylether anion exchange membrane, as well as a preparation method and application of the novel crosslinked alkaline polyarylether anion exchange membrane. The membrane is provided with a structure as shown in the formula (I); when the membrane is prepared, firstly, a polyarylether compound is dissolved in a polar solvent, and bromomethylated or chloromethylated under the protection of nitrogen, vacuum drying is performed after washing to obtain a bromomethylated or chloromethylated polyarylether compound, later the bromomethylated or chloromethylated polyarylether compound is dissolved in the polar solvent, a cross-linking reagent is added and reacted for 0.5 to 3h, and then a quaternization reagent is added to be reacted for 20 to 24h, thus the novel crosslinked alkaline polyarylether anion exchange membrane is prepared through coating and alkalization processes. The novel crosslinked alkaline polyarylether anion exchange membrane disclosed by the invention is formed by preparing polyaromatic ether sulfone containing quaternary ammonium ion exchange groups or a polyaryletherketone polymer, thereby having relatively high ionic conductivity and good thermal stability and alkaline stability, being capable of meeting operating requirements of an alkaline fuel cell anion exchange membrane and having relatively good application prospects.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI

Method for preparing high-purity quaternary ammonium hydroxide by electrolyzing organic ammonium salt with perfluorinated ion exchange membrane in chlor-alkali

The invention relates to a method for preparing quaternary ammonium hydroxide by electrolyzing organic ammonium salt with perfluorinated ion exchange membrane in chlor-alkali. By using an electrolytic tank which is constituted by providing a perfluorinated ion exchange membrane between electrodes and mainly consists of an anode compartment, a positive electrode, a perfluorinated ion exchange membrane, a negative electrode and a cathode compartment, and the method provided by the invention comprises the following steps: supplying the anode and cathode liquid to the anode and cathode compartment of the electrolytic tank respectively to perform electrochemical ion exchange, wherein the anode liquid is aqueous solution of quaternary ammonium salt, and the cathode liquid is quaternary ammonium hydroxide solution corresponding to quaternary ammonium ion of said quaternary ammonium salt; performing constant current electrolyzation by supplying direct current to the electrolytic tank, and conducting concentrating and crystallizing treatment on the outlet solution of the cathode electrode to obtain quaternary ammonium hydroxide. The method provided by the invention has simple technical process and high current efficiency, is easy to performing industrial amplification, so that the quaternary ammonium hydroxide obtained has high purity.
Owner:SHANDONG DONGYUE POLYMER MATERIAL

Ink composition, ink cartridge, recording method, and recorded product

An ink composition comprising: a betaine-based surfactant represented by the following general formula (1) and a linear saturated aliphatic alcohol having a hydroxyl value of 1 to 2 and 4 to 6 carbon atoms: [C 1](R)p—N-[L-(COOM)q]r  Formula (1) (wherein, R represents a hydrogen atom, alkyl group, aryl group or heterocyclic group, L represents a divalent or more linking group, M represents a hydrogen atom, alkaline metal atom, ammonium group, protonated organic amine or nitrogen-containing heterocyclic group or quaternary ammonium ion group, or represents a group that does not exist as a cation in the case of being a counter ion of an ammonium ion formed of an N atom in formula (1), q represents an integer of 1 or more, r represents an integer of 1 to 4, p represents an integer of 0 to 4, p+r is 3 or 4, N is a nitrogen atom that composes a quaternary amine in the case p+r is 4, R may be the same or different when p is 2 or more, COOM may be the same or different when q is 2 or more, and L-(COOM)q may be the same or different when r is 2 or more).
Owner:SEIKO EPSON CORP

Esterification catalyst for rosin or derivatives thereof and application thereof

The invention relates to an esterification catalyst for rosin or derivatives thereof and application thereof. The catalyst is acid ionic liquid, a mixture of cations and anions or a compound consisting of the same; the cations are one or a mixture of more of alkyl quaternary ammonium ions, alkyl quaternary phosphonium ions, alkyl-substituted imidazole ions and alkyl-substituted pyridine ions; and the anions are one or a mixture of more of X-, AlX4-, BF4-, PF6-, TA-(CF3COO-), HB-(C3F7COO-), TfO-(CF3SO3-), NfO-(C4F9SO3-), Tf2N-((CF3SO2)2N-), Beti-((C2F5SO2)2N-), Tf3C-((CF3SO2-)3C-), SbF6-, AsF6-, CB11H12-, CH3COO-, NO3-, HSO4-, NO2-, CH3C6H4SO3- and H2PO4-, wherein X is Cl-, Br- or I-. In the esterification process, the esterification catalyst is 0.01 to 2 weight percent of the rosin or the derivatives thereof, the reaction temperature is 200 to 260 DEG C, and the reaction time is 2 to 7 hours. The catalyst has short reaction time and low reaction temperature; and an esterification product is uniform, transparent and light in color.
Owner:广州英科新材料有限公司

Ink composition, ink cartridge, recording method, and recorded product

An ink composition including: a colorant, a betaine-based surfactant represented by the following formula (1) and a defoaming agent: (R)p-N-[L-(COOM)q]r  (Formula 1) (wherein, R represents a hydrogen atom, alkyl group, aryl group or heterocyclic group, L represents a divalent or more linking group, M represents a hydrogen atom, alkaline metal atom, ammonium group, protonated organic amine or nitrogen-containing heterocyclic group or quaternary ammonium ion group, or represents a group that does not exist as a cation in the case of being a counter ion of an ammonium ion comprising an N atom in formula (1), q represents an integer of 1 or more, r represents an integer of 1 to 4, p represents an integer of 0 to 4, p+r is 3 or 4, N is a nitrogen atom that composes a quaternary amine in the case where p+r is 4, R may be the same or different when p is 2 or more, COOM may be the same or different when q is 2 or more, and L-(COOM)q may be the same or different when r is 2 or more).
Owner:SEIKO EPSON CORP

Iodine-containing disinfectant with long-term component stability and preparation method thereof

The invention discloses an iodine-containing disinfectant with long-term component stability. The iodine-containing disinfectant comprises the following components in percentage by weight: 0.1-10% of elemental iodine, 0.1-10% of iodide, 0.1-20% of carboxylic acid, 2-30% of carboxylic ester, 40-80% of alcohol and 5-30% of water, wherein the iodide is composed of iodine anions and hydrogen ions, metal cations or ammonium ions or quaternary ammonium ions. The contents of various components in the iodine-containing disinfectant disclosed by the invention are not obviously changed even if the iodine-containing disinfectant is placed for a long time, a relatively long shelf life can be maintained, and the quality standard is met.
Owner:FOSHAN STANDARD BIO TECH

Polymer compound and oil absorbent

The present invention provides a polymer compound having a repeating structure represented by the following Formula (1) or Formula (3). In Formula (1) or Formula (3), R1, R2 and R3 each independently represent a hydrogen atom or an alkyl group; and R4 represents a straight-chained or branched alkyl group having 10 or more carbon atoms. X1 and X2 each represent a divalent linking group. x, y and z each represent mole %, and satisfy the conditions of 0<x≦90, 0<y≦90, 0<z≦2.5, and 70≦x+y+z≦100. B represents a quaternary ammonium ion, in which at least one alkyl group having 10 or more carbon atoms is bonded to the nitrogen atom of the quaternary ammonium ion, or a cation with delocalized charge; and A represents a counter anion therefor. D represents a phosphoric acid ion which may be alkyl-substituted, a phosphonic acid ion, a carboxylic acid ion, a sulfuric acid ion, a sulfite ion, or the following Anion (II), (III) or (IV); and E represents a counter cation therefor.
Owner:FUJIFILM CORP +1

Cellulose dissolving agent and application thereof

The invention provides a cellulose dissolving agent and application thereof. The cellulose dissolving agent is a mixture of an ionic liquid and an organic solvent; cations in the ionic liquid are alkyl imidazole ions and alkyl quaternary ammonium ions; anions in the ionic liquid are one or more than two selected from Cl<->, CH3COO<->, CF3COO<->, CF3SO3<->, BF4<->, (CF3SO2)3C<->, PF6<-> and (CF3SO2)2N<->; the organic solvent is one or more than two selected from N,N-dimethyl formamide, N,N-dimethylacetamide, N-methyl pyrrolidone and dimethyl sulfoxide. The cellulose dissolving agent provided by the invention can directly and rapidly dissolve natural cellulose and regenerated cellulose and have high solubility.
Owner:BEIJING FORESTRY UNIVERSITY

Composite Compositions For Polymers And Organoclay Compositions Having Quaternary Ammonium Ion Having One Or More Branched Alkyl Substituents

A composite composition comprising a polymeric resin; n organoclay compositions where a phyllosilicate clay is exchanged with quaternary ammonium ions having a formula of [NR1R2R3R4]+ wherein at least one of R1, R2 and R3 is a mixture of branched alkyl groups.
Owner:ELEMENTIS SPECIALTIES INC

Process for producing titanium-containing silicon oxide catalyst

A process for producing a specific titanium-containing silicon oxide catalyst having a specific average pore diameter, a specific a pore diameter distribution and a specific pore volume per unit weight, which comprises the following first to second steps:first step: a step of obtaining a solid containing a catalyst component and a template by mixing and stirring a silica source, a titanium source and, as the template, the quaternary ammonium ion, wherein an amount of an alkali metal in the mixture prepared is within a range of the following expression (II) or (III),alkali metal / titanium≦3(mol / mol)  (II)alkali metal / [NR1R2R3R4]+≦0.3(mol / mol)  (III); andsecond step: a step of removing the template from the solid prepared in the first step.
Owner:SUMITOMO CHEM CO LTD

Lubricant base oil and lubricant composition

A lubricating base oil includes at least one of ionic liquids containing a compound represented by a formula (1): Z+A−, in which Z+ represents a cation and A− represents an anion, in which Z+ is a cyclic quaternary ammonium ion having two different side chains and A− is a conjugated amide ion.
Owner:IDEMITSU KOSAN CO LTD
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