209 results about "Quaternary ammonium ions" patented technology

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.

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.

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.

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.

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.

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).

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.

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.

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).

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.

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.

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).

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.

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.

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.

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); and

second step: a step of removing the template from the solid prepared in the first step.

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.