210 results about "Quaternary ammonium ions" patented technology

Provided is an ionic liquid, represented by the formula K+A−, having a very low content of impurities, especially a low content of halogen ions and / or a low content of alkali metal, wherein K+is a quaternary ammonium ion, for example an imidazolium ion. Also provided is a quaternarization process for making the ionic liquid in reacted with an acid ester such as a sulfate or phosphate.

The present invention addresses the issue of providing a surface sealing agent which can be cured at low temperatures and which exhibits excellent storage stability. In order to resolve this issue, provided is a surface sealing agent for an organic EL element, the surface sealing agent including an epoxy resin (A) having at least two epoxy groups in a molecule, and a curing accelerator (B) which is a salt of a specific quaternary ammonium ion, wherein 0.1-10 parts by weight of the curing accelerator (B) is contained relative to 100 parts by weight of the surface sealing agent.

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).

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.

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.

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.

The invention discloses a heterocycle polyarylether alkaline anion-exchange membrane and a method for producing the same, which are characterized in that: the side group of polymer is provided with a heterocycle quaternary ammonium ion group. The method for producing the heterocycle polyarylether alkaline anion-exchange membrane is as follows: polyarylether is taken as an original raw material, and sequentially undergoes active halogenation reaction, quaternization reaction, membrane production, quaternization reaction, alkali ion exchange and other steps, so the heterocycle polyarylether alkaline anion-exchange membrane is obtained after the washing. The invention has the beneficial effects that: the produced alkaline anion-exchange membrane has prominent mechanical property and high-temperature stability, good chemical stability, higher ionic conductance and a simple technology, is low in cost, and is widely used in fuel cells, secondary energy storage batteries, alkaline industries, electrolytic films and other related electrochemical devices as well as other function membranes.

An ink composition including: a colorant, a betaine-based surfactant represented by the following formula (1) and a defoaming agent:[c1](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).

The invention discloses an ionized covalent organic frame material as well as a preparation method and catalytic application of the ionized covalent organic frame material. The ionized covalent organic frame material is formed by connecting organic monomers by using covalent bonds, has a crystal structure and has the reversibility characteristic of Schiff base. The monomer combination used by the covalent organic frame compound disclosed by the invention is unprecedented, and the material contains a quaternary ammonium ionic group with a strong CO2 action force and has the advantage of good selective adsorption storage capacity for CO2.

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.

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).

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.

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.