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68 results about "Chlorine atom" patented technology

Chlorine is an atom that has 17 protons and usually either 18 or 20 neutrons in its nucleus and 17 electrons circling around its nucleus.

Low-density high-filled spc flooring and method for manufacturing the same

ActiveCN115926236BImprove melt strengthStrong expandabilityPolymer scienceFoaming agent
This invention discloses a method for preparing low-density, high-filler SPC flooring. The method is characterized by a raw material formulation comprising the following components in the indicated weight proportions: 100 parts graft-modified PVC resin, 300-350 parts filler, 9-12 parts heat stabilizer, 3-5 parts melt processing modifier, 3-5 parts reinforcing and toughening modifier, 1-2 parts external lubricant, 1-2 parts internal lubricant, 2-5 parts chemical foaming agent, and 2-5 parts foaming aid. The graft-modified PVC resin is prepared by replacing the chlorine atoms in PVC with p-aminothiophenol, followed by an amidation reaction between a diacid or polyacid and an amino group. Its advantages are: 1) It improves the melt strength and expandability of the PVC resin, ensuring foaming performance under high filler content. Compared with ordinary SPC flooring, the flooring product has lower density and lighter weight, higher hardness, and lower overall formulation cost compared to ordinary low-density SPC flooring. 2) The process is simple, and the product has high controllability.
Owner:YIBIN TIANYI NEW MATERIALS TECH CO LTD

Two-dimensional particle, and electroconductive film and method for producing same

A two-dimensional particle that includes: one or plural layers that comprise a layer body represented by: MmXn, wherein Mis at least one metal of Group 3, 4, 5, 6, or 7; X is a carbon atom, a nitrogen atom, or a combination thereof; n is 1 to 4; and m is more than n but not more than 5, a modifier or terminal T exists on a surface of the layer body, wherein T is at least one selected from a hydroxyl group, a fluorine atom, a chlorine atom, an iodine atom, an oxygen atom, a chlorine atom, a phosphorus atom, and a hydrogen atom; and a hydrocarbon compound exists on the one or plural layers.
Owner:MURATA MFG CO LTD

Preparation method of hexa-naphthyloxy cyclotriphosphazene

The invention discloses a preparation method of hexa-naphthyloxy cyclotriphosphazene, which comprises the following steps: adding alkali metal hydroxide into a reaction solvent in which naphthol is dissolved, and reacting at 40-60 DEG C for 20-40 minutes to prevent oxygenolysis so as to prepare an alkali metal naphthol salt solution; the solution is stirred and dropwise added into a reaction solvent containing hexachlorocyclotriphosphazene, the ratio of hexachlorocyclotriphosphazene to the solvent is 1: 20-1: 30, the ratio of naphthol to hexachlorocyclotriphosphazene is larger than or equal to 6: 1, substitution is carried out step by step, after dropwise adding is completed, a reaction is carried out for 12-24 h at the temperature of 80-120 DEG C, and six chlorine atoms are completely substituted by naphthyloxy; filtering reaction liquid, and washing a filter cake with a solvent; and carrying out reduced pressure distillation on the filtrate to recover the solvent, washing the crude product with ethanol to remove an intermediate and an oligomer, washing with water to remove water-soluble impurities, filtering, and drying to finally obtain the high-purity hexa-naphthyloxy cyclotriphosphazene with the melting point of 169 DEG C. According to the method, the high-purity hexa-naphthyloxy cyclotriphosphazene crystal is ensured to be obtained by accurately controlling substitution reaction conditions and a multi-stage purification process.
Owner:NINGBO INST OF NORTHWESTERN POLYTECHNICAL UNIV

Novel sulfonate, flame retardant, additive composition, resin composition, and molded article

PCT designated stageWO2026009859A1Organic chemistrySulfonatePolymer science
The first invention provides a novel sulfonate. The second invention provides: a flame retardant with which it is possible to achieve a molded article that has excellent flame retardancy and excellent appearance; an additive composition which contains the flame retardant; a resin composition; and a molded article. The novel sulfonate according to the first invention is represented by general formula (1). (In general formula (1), R1, R2, and R3 each independently represent a hydrogen atom, a fluorine atom, or a chlorine atom, and at least two of R1, R2, and R3 each independently represent a fluorine atom or a chlorine atom. M represents a sodium atom, a potassium atom, or a cesium atom. However, the cases where all of R1, R2, and R3 are fluorine atoms, the cases where all of R1, R2, and R3 are chlorine atoms, the cases where two selected from among R1, R2, and R3 are fluorine atoms and the balance is a hydrogen atom, and M is a potassium atom, and the cases where two selected from R1, R2, and R3 are fluorine atoms and the balance is a chlorine atom, and M is a sodium atom are excluded.) The flame retardant according to the second invention contains a sulfonate represented by general formula (2). (In general formula (2), Q1, Q2, and Q3 each independently represent a hydrogen atom or a halogen atom, and at least one of Q1, Q2, and Q3 represents a halogen atom. X represents an alkali metal or an alkaline earth metal. However, the cases where all of Q1, Q2, and Q3 are fluorine atoms are excluded.)
Owner:CENT GLASS CO LTD

Film-forming composition for releasing, printed matter, packaging material or integrated packaging film

To provide a film-forming composition for removing which can easily remove a printed matter provided with a liquid printing ink on a film by an alkali treatment in a usual recycling process, and to provide a printed matter, a packaging material and a film for integrated packaging using the same.SOLUTION: There are provided a film-forming composition for desorption which can be desorbed from a base material by treatment with an alkali solution and contains a non-chlorinated polyolefin resin containing no chlorine atom, a rosin-based resin, and at least one selected from a polyamide-based resin and a urethane resin, and a laminate, a packaging material or an integrated packaging film having a primer layer formed of the film-forming composition for desorption.SELECTED DRAWING: None
Owner:DIC CORP

Powder light emitting crystal material of antimony-doped wide band gap zirconium-based chloride and preparation method and application thereof

This invention discloses an antimony-doped wide-bandgap zirconium chloride powder-emitting crystal material, its preparation method, and its application. The chemical formula of the powder-emitting crystal material is (C9H). 15 N3)2ZrCl8:Sb 3+ It belongs to the monoclinic crystal system, with space group P21 / c; in the described photoluminescent crystal material, each zirconium atom is coordinated with 8 chlorine atoms to form [ZrCl8]. 4‑ Polyhedral structure, organic cation (C9H) 15 N3) + It is linked to inorganic anions via C–N–H···Cl bonds, forming discrete [ZrCl8]. 4‑ The octahedral structure is replaced by organic cations (C9H). 15 N3) + Complete isolation is achieved, forming a zero-dimensional ionic crystal structure. This invention overcomes the problems of single luminescent center, limited emission wavelength, and insufficient luminescence intensity in undoped zirconium-based chlorides by introducing antimony. Antimony, as an effective luminescent center, can promote the radiative recombination process and achieve high-brightness broadband emission.
Owner:ANHUI UNIV

Green synthesis method of sulfentrazone dichloride intermediate

The invention provides a green synthesis method of a sulfentrazone dichloride intermediate, which is characterized in that 2-chlorphenyl-4-difluoromethyl-4, 5-dihydro-3-methyl-1hydrogen-1, 2-4-triazole-5 (1H) ketone (intermediate I) is used as a reaction raw material, and chlorine and an oxidizing agent are matched to carry out chlorination reaction. The method has the advantages of simple and convenient process route, mild reaction conditions, simple and convenient operation process, reduced chlorine usage amount, high chlorine atom utilization rate, short reaction time, less waste gas generation amount, low production cost and easy industrialization realization, and is suitable for industrial production. The technical problems of low chlorine utilization rate, more three wastes, low safety and the like in the dichlorination reaction in the existing production technology are solved.
Owner:SHANDONG WEIFANG RAINBOW CHEMICAL CO LTD

Anti-tumor compound as well as preparation method and application thereof

The invention discloses an anti-tumor compound as well as a preparation method and application thereof, belongs to the technical field of medicines, and particularly relates to a compound with an anti-tumor activity and a specific chemical structure. The compound is a 6 '-phenyl-2' H-spiro [cyclohexane-1, 1 '-isoquinoline]-3' (4 'H)-ketone compound, the structure of the compound is shown as a general formula (I) or (II), or R is a hydrogen atom, a chlorine atom, a methoxyl group or a fluorine atom monosubstituted at different positions on a benzene ring. According to a tumor cell line test, namely human diffuse large B lymphoma cells, it is proved that the compound has the effect of inhibiting tumor activity. The raw materials of the compound are easy to obtain, and experiments prove that the compound has a good anti-cancer effect and has a good application prospect in the field of design, research and development of anti-tumor drugs.
Owner:CHENGDE MEDICAL UNIV

Method of producing fluorine-containing compound and method of producing copolymer

A method of producing a fluorine-containing compound is a method of producing a compound (30) having partial structure (3) by an insertion reaction of compound (20) into compound (10) that has partial structure (1), in the presence of an ionic catalyst formed from a specific monovalent anion and a counter cation. In the formulas, * represents a bonding site, and X1 and R1 to R4 each independently represents a hydrogen atom, a fluorine atom, a chlorine atom, or an organic group having a carbon number of 1 to 20 which may have a substituent.
Owner:AGC INC

Electrode

An electrode having a substrate, a silver / silver chloride electrode part, and a film containing particles of a two-dimensional material, the particles of the two-dimensional material including one or more layers, the one or more layers including a layer body represented by the following formula, and a modification or terminal T present on a surface of the layer body, mmXn (in the formula, M is at least one type of group 3, 4, 5, 6, and 7 metal and contains Ti, X is a carbon atom, a nitrogen atom, or a combination thereof, n is 1 to 4, and m is greater than n and 5 or less) (T is at least one type selected from the group consisting of a hydroxyl group, a fluorine atom, a chlorine atom, an oxygen atom, and a hydrogen atom).
Owner:MURATA MFG CO LTD

Substituent group modified phenazine leveling agent, acid copper plating solution and preparation method and application of acid copper plating solution

The invention discloses a substituent-modified phenazine leveling agent, an acid copper plating solution and a preparation method and application thereof, chlorine atoms are introduced to a specific position of phenazine for modification, so that the acid copper plating solution containing the leveling agent has a high pore filling rate while obtaining a high-brightness plating layer, and the pore filling capacity of the leveling agent at a low concentration is effectively improved; and resource saving and cost reduction are facilitated. The total synthesis of the chlorine atom modified phenazine leveling agent is realized by using a chlorine-substituted raw material, and no complex reaction process and harsh reaction conditions exist, so that the method has industrial value.
Owner:GUANGDONG UNIV OF TECH

Preparation method and application of a red reactive dye

PendingCN122326015ATriazineThiadiazoles
This application provides a method for preparing and applying a red reactive dye. The method includes the following steps: S1: providing 2-amino-5-(β-hydroxyethyl sulfone sulfate)-1,3,4-thiadiazole; S2: reacting the amino-containing red azo compound with cyanuric chloride, causing the amino group on the amino-containing red azo compound to undergo a substitution reaction with one chlorine atom in the cyanuric chloride, to obtain a red azo compound containing a dichlorotriazine group; S3: reacting the 2-amino-5-(β-hydroxyethyl sulfone sulfate)-1,3,4-thiadiazole with the red azo compound containing a dichlorotriazine group, causing the amino group on the 2-amino-5-(β-hydroxyethyl sulfone sulfate)-1,3,4-thiadiazole to undergo a substitution reaction with one chlorine atom in the red azo compound containing a dichlorotriazine group, to obtain a red reactive dye. The red reactive dye prepared by this application exhibits high fixation rate and excellent alkali fastness in fiber dyeing.
Owner:HUBEI HUALI DYESTUFF INDAL

Chlorine atom transfer addition product and process for its preparation

This invention provides a chlorine atom transfer addition product and its preparation method, wherein the general structural formula of the chlorine atom transfer addition product is as follows. The preparation method includes: dissolving a copper salt, a phosphine ligand, and a nitrogen ligand in a solvent, stirring under a nitrogen atmosphere to obtain a mixture; subsequently adding an inert chlorinated derivative and an alkene to the mixture and reacting under light; after the reaction is complete, drying and vacuum concentrating to obtain a crude product; and separating the crude product by column chromatography to obtain the chlorine atom transfer addition product; wherein the molar ratio of the alkene to the copper salt, phosphine ligand, and nitrogen ligand is 1:(0.01-0.15):(0.01-0.1):(0.01-0.1). This method achieves a balance between structural diversity and synthetic efficiency through the synergistic catalysis of the copper salt, phosphine ligand, and nitrogen ligand. The structure of the obtained chlorine atom transfer addition product provides a rich molecular framework for drug design, making it promising for applications in medicine, materials, and other fields.
Owner:NANJING UNIV

Synthesis method of 4-chloro-5-cyclopropyl-2-methoxypyrimidine

The invention provides a synthesis method of 4-chloro-5-cyclopropyl-2-methoxypyrimidine, which comprises the following steps: by taking compounds 5-bromo-2, 4-dimethoxypyrimidine and cyclopropylboronic acid as raw materials, carrying out Suzuki-Miyaura coupling reaction to obtain an intermediate compound 5-cyclopropyl-2, 4-dimethoxypyrimidine, and then carrying out reaction on the intermediate compound 5-cyclopropyl-2, 4-dimethoxypyrimidine and cyclopropylboronic acid to obtain the 4-chloro-5-cyclopropyl-2-methoxypyrimidine. And then carrying out a substitution reaction to obtain a target compound 4-chloro-5-cyclopropyl-2-methoxypyrimidine. In the key step, a POCl3 / DMF (Vilsmeier reagent) system is utilized, and a Vilsmeier-Haack type chlorination reaction is carried out, so that a methoxy group is substituted by a chlorine atom. Finally, the target compound 4-chloro-5-cyclopropyl-2-methoxypyrimidine is obtained through short steps, simple and convenient operation, mild reaction conditions and ideal yield.
Owner:SHANGHAI BICHEN BIOCHEMICAL TECH CO LTD

A benzimidazole-substituted cyclopentenone compound, a preparation method and application thereof

The application discloses a benzimidazole substituted cyclopentenone compound and a preparation method and application thereof, and the compound comprises a structural formula shown in formula I or a medicinal salt, an isomer, a medicinal derivative thereof; wherein R1 is a hydrogen atom, a chlorine atom or a fluorine atom; R2 is a hydrogen atom, a chlorine atom, a fluorine atom, a methyl group or a methoxy group; R3 is a hydrogen atom, a chlorine atom, a fluorine atom, a methyl group or a methoxy group; R4 is a hydrogen atom, a chlorine atom or a fluorine atom; R5 is a methyl group, an ethyl group or a propyl group; and R6 is a methyl group, an ethyl group or a propyl group. The compound has good antibacterial activity, and has strong antibacterial activity on various pathogenic microorganisms including gram-positive bacteria and fungi. The application has the advantages of rich raw materials, simple operation, mild conditions, simple post-treatment, good thermal stability and good application prospect.
Owner:YUNNAN AGRICULTURAL UNIVERSITY

Filter, carbon dioxide concentration adjustment device, and carbon dioxide concentration adjustment method

The present invention provides a filter capable of adjusting the concentration of CO2 in a mixed gas containing CO2 and other gases. [Solution] A filter comprising a film containing two-dimensional particles 10a, 10b, wherein the two-dimensional particles comprise one or more layers, and the layers are given by the following formula: M m X n A filter comprising layer bodies 1a, 1b represented by the formula (wherein M is at least one group 3, 4, 5, 6, or 7 metal, X is a carbon atom, a nitrogen atom, or a combination thereof, n is between 1 and 4, and m is greater than n and 5 or less), and modifications or terminations T (T is at least one selected from the group consisting of a hydroxyl group, a fluorine atom, a chlorine atom, an oxygen atom, and a hydrogen atom) 3a, 5a, 3b, 5b present on the surface of the layer bodies, through which a mixed gas containing CO2 and other gases passes, wherein the concentration of CO2 in the mixed gas after passing through the filter is higher than the concentration of CO2 in the mixed gas before passing through the filter.
Owner:MURATA MFG CO LTD

Water-based ink composition and writing instrument

The present invention provides an aqueous ink composition and a writing instrument equipped with the aqueous ink composition that can suppress the rise and fall of pH in the aqueous ink composition due to changes over time, as well as suppress the increase of air bubbles in the aqueous ink composition, thereby maintaining good writing performance stably over a long period of time. [Solution] A specific phenol compound is incorporated into the aqueous ink composition. Specifically, the aqueous ink composition comprises a colorant, water, and a phenol compound represented by the following formula (1) which contains at least one chlorine atom as a substituent. TIFF2026111755000012.tif42154 (In formula (1), R 1 ~R 5 Each of these is independently a hydrogen atom, a chlorine atom, or an alkyl group having 1 to 4 carbon atoms, and R 1 ~R 5 At least one of them is a chlorine atom.
Owner:MITSUBISHI PENCIL CO LTD

A method for coupling cross-phase chlorine transfer and in-situ chlorination

The application is a method for coupling phase transfer of chlorine and in-situ chlorination. The method comprises the following steps: under a two-electrode system, using a coated titanium electrode as a working electrode and a platinum plate as a counter electrode, reacting for 1-4 hours under a constant current of 3 mA-50 mA, and standing the whole reaction system for 6-14 hours to obtain 2,4-dichloroacetanilide; in the anode chamber, the lower part is an anode electrolyte and the upper part is an organic phase; the volume ratio of the two is 1:1-3; and the working electrode is completely inserted into the lower aqueous phase; and the anode electrolyte is a hydrochloric acid solution containing a chlorine salt. The application improves the direct utilization rate of chlorine atoms, the active chlorine generated by the anode does not escape the system and directly participates in chlorination, thus significantly reducing the accumulation of chlorine gas and the safety hidden danger of storage and transportation, and providing a feasible method for coupling traditional process and electrocatalytic experiments.
Owner:HEBEI UNIV OF TECH

Method for producing hydrofluoroolefin

A method for producing a hydrofluoroolefin, which comprises bringing a mixture containing a hydrofluorocarbon and at least one member selected from the group consisting of CXA1 XA2 = CXA3XA4, CXA5 = CXA6, and CXA7XA8XA9-CXA10XA11XA12 into contact with a catalyst, and obtaining a hydrofluoroolefin by a dehydrofluorination reaction of the hydrofluorocarbon. XA1-XA12 each independently represents a hydrogen atom, a fluorine atom, a chlorine atom, or a C1-8 hydrocarbon chain, at least one of XA1-XA4 has at least one of a hydrogen atom and a chlorine atom, at least one of XA5 and XA6 has at least one of a hydrogen atom and a chlorine atom, and at least one of XA7-XA12 has a halogen atom other than a fluorine atom.
Owner:AGC INC

A method for preparing and applying a highly weather-resistant chlorinated polyethylene rubber-plastic material.

This application relates to the field of polymer compound technology, specifically disclosing a method for preparing a high-weather-resistant chlorinated polyethylene rubber-plastic material and its application. The method includes the following steps: S1, Raw material preparation: High-density polyethylene, dispersant, emulsifier, and water are mixed in a specific ratio and then added to a reaction vessel and stirred until homogeneous; S2, Low-temperature initiation chlorination: Liquid chlorine is introduced into the reaction vessel, controlling the reaction temperature and pressure, and using a low flow rate to allow chlorine free radicals to enter the amorphous region edge of the high-density polyethylene; S3, Medium-temperature diffusion chlorination: The temperature is increased and the reaction vessel pressure is raised, controlling the chlorine introduction rate to allow chlorine atoms to diffuse towards the crystalline region edge of the high-density polyethylene; S4, High-temperature randomization chlorination; S5, Post-treatment purification. The material of this application can be used in outdoor building sealing strips, photovoltaic cable sheaths, automotive waterproof films, and weather-resistant conveyor belts, exhibiting excellent resistance to ultraviolet aging and thermo-oxidative aging.
Owner:PANJIN CHANGRUI CHEM CO LTD

Cleaning agent composition, cleaning aerosol, and method for cleaning a soiled portion

The present invention relates to a cleaning agent composition which is excellent in cleaning property and does not corrode plastic substrates such as polycarbonate and polystyrene which are not resistant to solvents. The cleaning agent composition of the present invention comprises the following (A) to (C) components, the mass ratio of the (A) component and the (B) component being 11:89 to 99:1, (A) cis-1-chloro-3,3,3-trifluoropropene, (B) one or more compounds selected from the group consisting of hydrofluoroolefins, hydrofluorocarbons and hydrofluoroethers which do not contain a chlorine atom, and (C) a hydrocarbon solvent.
Owner:THREE BOND CO LTD

Acidic compounds, polyimide covalent organic frameworks, and methods of making and using the same

ActiveCN119751504BPolymer scienceBromine
This application provides acidic compounds, polyimide covalent organic frameworks, their preparation methods, and applications. The structural formula of the acidic compounds is shown in formula (I), wherein R1 is selected from substituted or unsubstituted arylene groups or substituted or unsubstituted heteroarylene groups, and X is selected from chlorine, bromine, or iodine atoms. The acidic compounds provided in this application can be used to prepare three-dimensional polyimide covalent organic frameworks. Furthermore, the polyimide covalent organic frameworks contain phosphorus-containing pivots, which provide flame retardant effects, thus facilitating the use of polyimide covalent organic frameworks.
Owner:BYD CO LTD

Antimony-doped wide-bandgap zirconium-based chloride powder light emission crystal material and preparation method and application thereof

The invention discloses a powder light emitting crystal material of antimony-doped wide bandgap zirconium-based chloride and a preparation method and application of the powder light emitting crystal material, the chemical formula of the powder light emitting crystal material is (C9H15N3) 2ZrCl8: Sb < 3 + >, the powder light emitting crystal material belongs to a monoclinic system, and the space group is P21 / c; in the powder light emitting crystal material, each zirconium atom is coordinated with eight chlorine atoms to form a [ZrCl8] < 4-> polyhedral structure, organic cations (C9H15N3) < + > are connected with inorganic anions through C-N-H... Cl bonds, and the discrete [ZrCl8] < 4-> octahedral structure is completely isolated by the organic cations (C9H15N3) < + > to form a zero-dimensional ion crystal structure. According to the invention, the antimony element is introduced to overcome the problems of single luminescence center, limited emission wavelength and insufficient luminescence intensity of undoped zirconium-based chloride, and antimony is used as an effective luminescence center to promote the radiation recombination process and realize high-brightness wide-spectrum emission.
Owner:ANHUI UNIV

2,5-dichloro-3-methoxythiophene, its preparation and use

The application belongs to the technical field of organic chemical synthesis, and particularly relates to 2,5-dichloro-3-methoxythiophene, a preparation method and application thereof. The 2,5-dichloro-3-methoxythiophene provided by the application is designed by 2,5-position double chloro substitution and 3-position methoxy, which not only retains the advantages of high reactivity and low cost of chlorine atoms, but also is safe, environmentally friendly and economical through the space steric hindrance and electronic effect regulation of the substitution site, and can be used for preparing polythiophene.
Owner:JIAOZUO GAOAN ORGANIC NEW MATERIALS CO LTD

Conductive two-dimensional particle-containing composition, conductive film, and method of producing conductive two-dimensional particle-containing composition

A conductive two-dimensional particle-containing composition including: a conductive two-dimensional particle of a layered material including one or a plurality of layers; a dispersion medium having a relative permittivity greater than that of water; and a fluorine element and an oxygen element on a surface of the conductive two-dimensional particle, wherein the one or plurality of layers includes a layer body represented by: MmXn, wherein M is at least one metal of Group 3, 4, 5, 6, or 7, X is a carbon atom, a nitrogen atom, or a combination thereof, n is 1 to 4, and m is more than n and 5 or less, and a modifier or terminal T existing on a surface of the layer body, wherein T is at least one selected from the group consisting of a hydroxyl group, a fluorine atom, a chlorine atom, an oxygen atom, and a hydrogen atom.
Owner:MURATA MFG CO LTD

Liquid crystal aligning agent, liquid crystal alignment film, and liquid crystal element using same

The invention relates to a liquid crystal aligning agent, a liquid crystal alignment film and a liquid crystal element using the same. The liquid crystal aligning agent contains a polymer (K) and a polymer (L) which are polymers obtained by reacting tetracarboxylic acid derivatives with diamines, and the raw material composition of the polymer (K) contains at least one of tetracarboxylic acid derivatives represented by formula (I) and at least one of diamines having a Boc structure. The raw material composition of the polymer (L) does not contain a tetracarboxylic acid derivative represented by formula (I) and does not contain a diamine having a Boc structure. (In the formula, * 1, * 1 ', * 2 and * 2' are bonded independently to a hydroxyl group, a chlorine atom or an alkoxy group having 1-6 carbon atoms and each independently to a hydroxyl group, a chlorine atom or an alkoxy group having 1-6 carbon atoms, at least one of the group of * 1 and * 1 'and the group of * 2 and * 2' can be bonded to the same oxygen atom, and Rb1, Rb2, Rb3 and Rb4 are each independently a hydrogen atom or a methyl group and at least one is a methyl group.
Owner:长沙道安捷新材料有限公司

Fluorine-containing dichloroalkenes, methods of making and use

The application provides a fluorine-containing dichloroalkene, a preparation method and application, and comprises the following steps: in step one, fluorine-containing monochloroalkene R1CCl=CHR2 is subjected to a gas-phase dehydrochlorination reaction to prepare fluorine-containing alkyne R1C=CR2; in step two, the fluorine-containing alkyne R1C=CR2 is subjected to an addition reaction with chlorine to prepare fluorine-containing dichloroalkene R1CCl=CClR2. The gas-phase dehydrochlorination catalyst for the gas-phase dehydrochlorination reaction is fluorinated catalyst Cs-Cu-Ca-F. The dehydrochlorination reaction has good reaction effect, and the product selectivity can reach 95%; the addition reaction has mild reaction conditions, and the product selectivity is above 95%. The fluorine-containing dichloroalkene R1CCl=CClR2 prepared by the application has good stability, low dielectric constant and good insulation performance as an electronic cooling liquid by optimizing the symmetrical arrangement of chlorine atoms.
Owner:XIAN MODERN CHEM RES INST

5, 5 '-dihydroxy-observation blue derivative as well as preparation method and application thereof

The invention discloses a 5, 5 '-dihydroxy-observation blue derivative as well as a preparation method and application thereof, and relates to the technical field of dyes. The invention provides a preparation method of 5, 6-difluoro-2, 3 According to the 5, 5 '-dihydroxy-observation blue derivative, cyanuric chloride is adopted to replace one or two hydroxyl groups on a 5, 5'-dihydroxy-observation blue parent nucleus, then any one of-NH-SO3M,-NH-Ar-SO3M and-NH-Ar-COOM is introduced on the basis of cyanuric chloride modification to replace chlorine atoms of cyanuric chloride, the polarity of molecules is improved, the molecular weight of the cyanuric chloride is increased, and the molecular weight of the cyanuric chloride is increased. And when the dye molecules are used as dye molecules, homogeneous dye liquor with good dispersity can be obtained, and the contact between the dye and fabric fibers is facilitated, so that the reactive dye with good dye uptake, fixation rate and color fastness to fabrics can be obtained.
Owner:VERTEXYN (NANJING) BIOWORKS CO LTD

AOX reduction agent for chlorine dioxide paper pulp bleaching section and application of AOX reduction agent

PendingCN121250702APulp bleachingCarbon centered radicalsOrganic acid
The invention belongs to the field of clean production of paper pulp bleaching in pulping and papermaking industries, and discloses an AOX reduction agent for a chlorine dioxide paper pulp bleaching section and application of the AOX reduction agent. The agent for AOX reduction in the chlorine dioxide paper pulp bleaching section comprises an agent A and an agent B. The agent A comprises at least one of micromolecular organic acid A1 and aminocarboxylic acid A2. And the agent B is peroxy acid salt. An agent A and an agent B are added at the same time in acidic and heated chlorine dioxide bleaching sections, carbon center free radicals with dehalogenation activity are generated in situ, the free radicals selectively break C-Cl bonds of organic halides through a single electron transfer mechanism, chlorine atoms are converted into chloride ions, and therefore in-situ removal of AOX is achieved. According to the AOX decrement agent and the application method thereof provided by the invention, the generation amount of AOX can be obviously reduced by 55-80%, and the whiteness and viscosity of paper are not sacrificed.
Owner:SOUTH CHINA UNIV OF TECH +1

Etching liquid composition

PendingCN121320957AOrganic acidOrganic solvent
The invention discloses an etching liquid composition with excellent etching performance. According to one embodiment, there is provided an etchant composition comprising: 5 to 25 weight percent of hydrogen peroxide; 1 to 5 weight percent of an organic acid; 0.001 to 5% by weight of a phosphorus-containing compound, 0.001 to 5% by weight of a phosphorus-containing compound, 0.001 to 5% by weight of a phosphorus-containing compound, and the balance of an organic solvent; 1 to 5 weight percent of a glycol-based compound; 0.001 to 1 percent by weight of a nitrogen-containing cyclic compound (Nitrogen Containing Cyclic Compound), 0.001 to 1 percent by weight of a nitrogen-containing cyclic compound (Nitrogen Containing Cyclic Compound); from 0.001 to 5 weight percent of a critical dimension deviation (Critical Dimension Bias) reducing agent having one or more chlorine atoms; and 0.001 to 5 weight percent of a fluorine compound.
Owner:DONGJIN SEMICHEM CO LTD