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1106 results about "Simple aromatic ring" patented technology

Simple aromatic rings, also known as simple arenes or simple aromatics, are aromatic organic compounds that consist only of a conjugated planar ring system. Many simple aromatic rings have trivial names. They are usually found as substructures of more complex molecules ("substituted aromatics"). Typical simple aromatic compounds are benzene, indole, and pyridine.

Two-component composition as well as preparation method and application thereof

The invention relates to a two-component composition as well as a preparation method and application thereof, and belongs to the technical field of woodware seal primers. The double-component composition provided by the invention comprises a component A and a component B, the component A comprises epoxy resin (1a) containing an aromatic ring structure and more than two epoxy groups and silane (1b) containing one epoxy group; in the component A, the weight of the silane (1b) accounts for 18-60 wt% of the total weight of the epoxy resin (1a) and the silane (1b); the component B comprises silane (1c) containing one amino group and substituted phenol (1d) with a specific structure; and in the component B, the weight of the substituted phenol (1d) accounts for 0.3-10 wt% of the total weight of the silane (1c) and the substituted phenol (1d). The double-component composition disclosed by the invention can realize dual curing, is high in crosslinking density, has the advantages of excellent surface effect, sanding property, flexibility, sealing property and wood warming effect, does not contain a solvent or only has low solvent content, and is particularly suitable for woodware seal primer.
Owner:YINGDE GUOCAI FINE CHEM CO LTD

Photocurable resin composition containing self-crosslinkable polymer

A photocurable composition including: a self-crosslinking polymer including a first monomer unit including an aryl ketone residue in a side chain, and a second monomer unit including in a side chain an aliphatic hydrocarbon residue including a carbon atom susceptible to a hydrogen abstraction reaction and / or an aromatic ring residue; and a solvent. Also, a method for manufacturing a semiconductor device including the steps of forming a resist film on a semiconductor substrate, forming a resist pattern by irradiating the resist film with light or an electron beam and then developing the resist film, and processing the semiconductor substrate by etching, the method further including a step of forming a protective film from the photocurable composition on the front edge and optionally the bevel and / or the back edge of a wafer for manufacturing a semiconductor.
Owner:NISSAN CHEM CORP

Cyano aromatic ring derivative and pharmaceutical use thereof

PCT designated stage expiredWO2025036489A1Organic active ingredientsOrganic chemistryDiseaseMetabolite
A cyano aromatic ring derivative and the pharmaceutical use thereof. Specifically, the present invention relates to a compound of general formula (I) or a stereoisomer, a tautomer, a deuterated substance, a solvate, a prodrug, a metabolite, a pharmaceutically acceptable salt or cocrystal thereof, an intermediate thereof, and the use thereof in diseases associated with the inhibition or degradation of AR, such as cancers. B-L-K (I).
Owner:HAISCO PHARMACEUTICAL GROUP CO LTD

Dual-network CO2 response type gel particle and application thereof

The invention relates to the technical field of oil and gas field development, in particular to a double-network CO2 response type gel particle and application thereof.The first-layer network is formed by covalent bonds between acrylamide, zwitterions and CO2 response monomers (composed of vinylpyridine and DMAEMA) in the gel particle and a cross-linking agent, and the first-layer network is formed by covalent bonds between Ca < 2 + > in mineralized water, pyridine, SO3 <-> in the zwitterionic monomers and coordinated water; coordination bonds exist among Mg < 2 + >, pyridine, carboxyl (acylamino is partially hydrolyzed) and coordinated water, a second-layer network is formed under the synergistic effect of pi-pi bonds among aromatic rings, and the strength of the gel is enhanced through the toughness of the double-network structure. Due to the introduction of an aromatic ring sulphobetaine monomer and water molecules carried by coordinate bonds, the strength of the gel particles in mineralization water is increased, and meanwhile, the gel particles show higher water-retaining property. Due to the introduction of CO2 response monomers with different pKa values, the particles have good CO2 responsiveness, and still have the dual-network structure in mineralized water after response.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA) +1

Asphaltene molecule nano-scale characteristic analysis method based on quantum chemistry calculation

The invention discloses an asphaltene molecule nano-scale characteristic analysis method based on quantum chemistry calculation, which comprises the following steps: acquiring composition information of asphaltene components, and constructing a representative asphaltene molecule three-dimensional model containing a fused aromatic ring skeleton and an alkyl side chain; performing geometric configuration optimization on the representative asphaltene molecule three-dimensional model by adopting a quantum chemistry density functional theory method to obtain a stable configuration of the asphaltene molecule; determining key nano parameters of the asphaltene molecules according to the stable configuration of the asphaltene molecules; and associating the key nano-scale parameters of the asphaltene molecules with the macro-performance of the asphalt material, and establishing an asphalt performance association model. According to the method, the key parameters capable of representing the asphaltene microstructure and property are obtained, so that the understanding of the relationship between the asphaltene composition and the performance of the asphalt material is deepened, the performance of the asphalt material is evaluated from the molecular scale, and a new thought is provided for performance prediction and modification of the asphalt material.
Owner:JINLING INST OF TECH

PE (polyethylene) film, preparation process and application of PE film in tissue packaging

The invention relates to the technical field of degradable PE (polyethylene) packaging materials, and discloses a PE film, a preparation process and application in tissue packaging, and the PE film is prepared by the following steps: by taking 7-(diethylamino) coumarin-3-carboxylic acid, 2-naphthyl methanol and epoxy chloropropane as raw materials, carrying out esterification reaction and quaternization reaction to prepare an epoxidized biodegradable organic photosensitizer; based on an epoxy-hydroxyl ring-opening reaction mechanism, hydroxylated titanium dioxide nanoparticles and polyvinyl alcohol resin are respectively modified by using an epoxidized biodegradable organic photosensitizer, and compounding is performed based on a pi-pi accumulation effect between aromatic rings to prepare the ultraviolet light dependent photo-biodegradable component. According to the present invention, the ultraviolet light dependent light-biological degradation component, the compatible component and the composite auxiliary agent are added to the polyethylene matrix, and blow molding is performed to obtain the PE film, and the film product shows excellent light-biological dual degradation performance, has actual use value, and can be used in the tissue packaging field.
Owner:SUZHOU ZIJIN PLASTIC

Actinic-ray–sensitive or radiation-sensitive resin composition, resist film, method for forming pattern, and method for producing electronic device

The present invention provides: an actinic-ray-sensitive or radiation-sensitive resin composition containing (A) a resin, and (Q1) an actinic-ray-sensitive or radiation-sensitive acid generator, which is an onium salt compound having a structure in which three or more iodine atoms and at least one group selected from −SO3 – and −SO2− are bonded to the same aromatic ring; an actinic-ray-sensitive or radiation-sensitive resin film formed from the actinic-ray-sensitive or radiation-sensitive resin composition; and a method for forming a pattern and a method for manufacturing an electronic device using the actinic-ray-sensitive or radiation-sensitive resin composition.
Owner:FUJIFILM CORP

Ion exchange membrane, membrane electrode assembly, unit for redox flow battery, and redox flow battery

An ion exchange membrane includes a resin composition containing a side chain heteroaromatic resin having a structural unit represented by general formula 1, and a cation exchange resin. (In the formula, R1, R2, and R3 may be the same or different and each represents a hydrogen atom, a substituted or unsubstituted aliphatic hydrocarbon group having 1-10 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon group having 6-10 carbon atoms, R4 represents a directly bonded, substituted or unsubstituted divalent aliphatic hydrocarbon group having 1-10 carbon atoms, or a substituted or unsubstituted divalent aromatic hydrocarbon group having 6-10 carbon atoms, and R3 represents a hydrogen atom, a substituted or unsubstituted aliphatic hydrocarbon group having 1-10 carbon atoms, or a substituted or unsubstituted divalent aromatic hydrocarbon group having 6-10 carbon atoms. Hc represents a substituted or unsubstituted heteroaromatic group having 4-30 carbon atoms, said heteroaromatic group having at least one nitrogen atom in a heteroaromatic ring structure and comprising a 5-membered ring and / or a 6-membered ring structure. > # imgabs0 #
Owner:ASAHI KASEI KOGYO KABUSHIKI KAISHA

Method for measuring specific surface area of carbon black

The invention belongs to the technical field of pyrolytic carbon black quality detection methods, and particularly relates to a method for determining the specific surface area of carbon black. The method for measuring the specific surface area of the carbon black comprises the following steps: firstly, adding an additive into the carbon black, stirring, centrifuging and filtering; the auxiliary agent is prepared by compounding polyacrylamide, dipolyglycerol dioleate and water; adding water for cleaning, centrifuging, filtering and drying; and finally calculating the specific surface area of the carbon black through a gas adsorption method. According to the method, the carbon black is pretreated, so that the influence of surface oxygen-containing functional groups, aromatic ring impurities and the like on nitrogen adsorption is effectively eliminated, and the problem that the pore structure of the carbon black is damaged by high-temperature degassing in a traditional method is solved through proper microwave irradiation, so that the measured specific surface area result is closer to a true value; methodologies such as precision and repeatability are more stable.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI

Liquid epoxy resin mixture as well as preparation method and application thereof

The invention discloses a liquid epoxy resin composition as well as a preparation method and application of the liquid epoxy resin composition. The coating comprises the following raw materials: 70%-92% of an inorganic silicon filler, 0.5%-10% of aliphatic epoxy resin, 0.5%-15% of epoxy resin containing aromatic rings, 1-15% of an anhydride curing agent, 0.1-2% of a bonding accelerator, 0.1-1% of a curing accelerator, 0.1-5% of a flexibilizer and 0.1-5% of a warping control aid. The liquid epoxy composition provided by the invention not only has higher glass transition temperature and modulus through the warping control assistant, but also can control the warping deformation of the composition, is especially suitable for packaging protection of a 12-inch wafer, and reduces the generation of stress in the wafer packaging process through warping control.
Owner:WANHUA CHEM GRP ELECTRONIC MATERIALS CO LTD

Method for identifying microscopic association body structure in heavy oil molecule simulation trajectory

The invention provides a method for identifying a microscopic association body structure in a heavy oil molecule simulation trajectory, which comprises the following steps of: analyzing a molecular dynamics trajectory, identifying an aromatic ring structure in a heavy oil molecule component, calculating a geometric center of the aromatic ring structure, combining a periodic boundary condition, and applying an improved DBSCAN clustering algorithm to realize automatic identification and clustering of an association body; and performing post-processing optimization on the clustering result, merging the shared clusters to generate a final association body set, and analyzing the number, size distribution, morphological characteristics and dynamic evolution information of the association bodies based on the structural characteristics of the final association body set. The method can accurately capture pi-pi accumulation behaviors of heavy oil molecules, further reveals morphological characteristics and dynamic evolution laws of heavy oil microassociates and influences of the heavy oil microassociates on the apparent viscosity of heavy oil, provides theoretical support for heavy oil viscosity-causing mechanism analysis and viscosity reducer design, can complement experimental research, and has a wide application prospect. And efficient development and green utilization of a complex thickened oil system are promoted.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Preparation method of phenolic acid-based phosphorus-nitrogen flame retardant, phenolic acid-based phosphorus-nitrogen flame retardant and application of phenolic acid-based phosphorus-nitrogen flame retardant

The invention discloses a preparation method of a phenolic acid-based phosphorus-nitrogen flame retardant, the phenolic acid-based phosphorus-nitrogen flame retardant and application of the phenolic acid-based phosphorus-nitrogen flame retardant, and the preparation method comprises the following steps: S1, dissolving a phenolic acid compound in absolute ethyl alcohol, adding 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, carrying out heating reaction, then cooling, carrying out reduced pressure distillation, washing with deionized water, filtering and drying to obtain a flame-retardant intermediate; and S2, dissolving the flame-retardant intermediate in the step S1 in an organic solvent, dropwise adding phosphonitrilic chloride trimer dissolved by the organic solvent, carrying out heating reaction, cooling, carrying out reduced pressure distillation, washing with deionized water, filtering, and drying to obtain the phenolic acid-based phosphorus-nitrogen flame retardant. According to the present invention, the natural renewable phenolic acid compound is adopted as the main raw material, the chemical structure of the phenolic acid compound contains phosphorus atoms of different valence states so as to simultaneously provide the condensed phase and gas phase flame retardation mechanism, and the structure contains the nitrogen element and the aromatic ring so as to be suitable for the efficient flame retardation treatment of the polylactic acid material, and the like.
Owner:SHENZHEN JXD TECH CO LTD

4 (1H-pyrazol-3-yl) piperidinyl derivative, preparation method thereof and application of 4 (1H-pyrazol-3-yl) piperidinyl derivative in preparation of MNK inhibitor

The invention provides a 4 (1H-pyrazol-3-yl) piperidinyl derivative, the structural formula of the 4 (1H-pyrazol-3-yl) piperidinyl derivative is shown as a formula I, # imgabs0 #, R1 is an aromatic ring or a substituted aromatic ring, the substituted aromatic ring is a substituent group on the aromatic ring, and R2 is a hydrogen atom or a hydrogen atom or a substituent group on the substituted aromatic ring, so that the structural formula of the 4 (1H-pyrazol-3-yl) piperidinyl derivative is shown as a formula I; the substituent groups are selected from C1-C6 alkyl groups, C1-C6 halogenated alkyl groups, C1-C6 alkylamino groups, C1-C6 alkoxy groups, five-membered to six-membered heterocyclic groups, halogen, hydroxyl groups, cyano groups, nitryl groups, amino groups and carbonyl substituted five-membered to six-membered heterocyclic groups containing 1-2 nitrogen atoms; and R2 is H or a C1-C6 alkyl group. The 4 (1H-pyrazol-3-yl) piperidinyl derivative has MNK1 and / or MNK2 inhibitory activity, and has anti-cancer and anti-inflammatory activity; the invention also provides a preparation method of the 4 (1H-pyrazol-3-yl) piperidinyl derivative, an application of the 4 (1H-pyrazol-3-yl) piperidinyl derivative in preparation of MNK1 and / or MNK2 inhibitors, and an application of the 4 (1H-pyrazol-3-yl) piperidinyl derivative in preparation of anti-inflammatory and anti-cancer drugs.
Owner:YANTAI NEW DRUG DEV SHANDONG PROVINCIAL LAB

Method for constructing heavy component average molecular structure of heavy oil

The invention relates to the technical field of molecular simulation, and provides a method for constructing a heavy component average molecular structure of thickened oil, which comprises the following steps: inputting parameters, generating a core aromatic ring unit, constructing an inner-layer aliphatic ring unit, constructing an outer-layer aliphatic ring unit, generating a side chain unit, and storing and outputting structural information. A plurality of molecular structures meeting experimental data are generated at a time through a traversal algorithm thought, composition characteristics of a heavy oil complex mixture are met, more available molecular structures are provided for molecular simulation, the accuracy and efficiency of molecular modeling are improved, the molecular structures completely meeting the experimental data can be rapidly generated, and the method is suitable for large-scale popularization and application. And only the mass spectrometer, the elemental analyzer, the nuclear magnetic resonance hydrogen spectrum and the infrared spectrum data need to be input, so that the experiment cost is reduced.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Semi-aromatic polyamide material easy to process and form and preparation method thereof

PendingCN120192654AFiberPolymer science
The invention provides a semi-aromatic polyamide material easy to process and form and a preparation method thereof. Comprising the following components in parts by weight: 40-78 parts of PA MXD6, 4-15 parts of long carbon chain nylon, 0.3-3 parts of polyethyleneimine, 20-60 parts of a reinforcing material, 0.2-5 parts of other auxiliaries and 0-50 parts of a filling material. The long carbon chain nylon with a specific length and the polyethyleneimine with a specific molecular weight are fully utilized to be matched, so that more shear sensitivity characteristics are obtained, and the problems of poor flowability of the aromatic ring nylon PA MXD6 material, lack of glue in thin-wall multi-cavity processing, tape casting, scorching, appearance fiber floating and the like are solved.
Owner:SHANGHAI PRET COMPOSITES +2

Resist composition, resist pattern formation method, compound, and acid diffusion control agent

This resist composition contains: a resin component (A1), the solubility of which in a developer solution changes due to the action of an acid; and a compound (D0) represented by general formula (d0-1). In the formula, Ar is an aromatic ring; OH is a hydroxy group; Xd01 is an iodine atom, a fluorine atom, a bromine atom, or a fluorinated alkyl group; Ld is a single bond or a divalent linking group; Z+ is S+ or I+; and Xd02 is an iodine atom, a fluorine atom, a bromine atom, or a fluorinated alkyl group. [Chemical formula 1]
Owner:TOKYO OHKA KOGYO CO LTD

Near-infrared two-region aggregation-induced emission material, preparation method and application

The invention discloses a near-infrared two-region aggregation-induced emission material as well as a preparation method and application thereof, and belongs to the technical field of aggregation-induced emission materials. The invention provides a fluorescent material with aggregation-induced emission (AIE) property, which can have high luminous efficiency in an NIR-II (1000 nm to 1500 nm) region. The invention aims to carry out rational structure design through the multilevel space confinement effect of molecule and aggregate levels. Through modification of a methyl group and a side chain substituent group, free rotation of an aromatic ring is effectively inhibited, and a rigid mortise and tenon interlocking structure is formed in the crystal. The water-soluble nanoparticles prepared from the synthesized aggregation-induced emission material can achieve a fluorescence quantum yield of 28.2%. By utilizing the nanoparticles with high fluorescence efficiency, the application of real-time dynamic monitoring and the like on intestinal vessels of a living body can be realized, and a new method is provided for early diagnosis and surgical intervention of acute intestinal ischemia.
Owner:THE CHINESE UNIV OF HONG KONG (SHENZHEN)

Carbon nanotube dispersion liquid, method for preparing same, electrode slurry composition comprising same, electrode comprising same, and lithium secondary battery

The present invention relates to a carbon nanotube dispersion liquid, a method for preparing the same, an electrode slurry composition comprising the same, an electrode comprising the same, and a lithium secondary battery comprising the same, the carbon nanotube dispersion liquid comprising: carbon nanotubes having a specific surface area (BET) of 250 m2 / g to 750 m2 / g; a first dispersant having an amide group; and a second dispersant having an aromatic ring, the carbon nanotube dispersion liquid having a viscosity of 1,300 cPs or less at 25 DEG C and a shear rate of 15 sec <-1 >.
Owner:BETTERIAL CO LTD

Chemically amplified positive resist composition and resist pattern forming method

To provide a chemically amplified positive resist composition which can form a resist film capable of forming a pattern with extremely high resolution, small LER, excellent rectangularity, and a suppressed influence of residue defects on a developer, and to provide a resist pattern forming method using the chemically amplified positive resist composition.SOLUTION: The chemically amplified positive resist composition comprises (A) a base polymer, (B) a photoacid generator, and (C) a quencher. The base polymer (A) contains a polymer containing a predetermined phenolic hydroxy group-containing unit, a predetermined aromatic ring-containing unit, and a phenolic hydroxy group-containing unit protected by a predetermined acid-labile group. All repeating units contained in the base polymer (A) are repeating units having an aromatic ring. The number of halogen atoms contained in the repeating units constituting the base polymer (A) is 3 or less.SELECTED DRAWING: None
Owner:SHIN ETSU CHEMICAL CO LTD

Bisphenol F degradation gene cluster bpf and application thereof

The invention discloses a bisphenol F degradation gene cluster bpf and application thereof. The strain DN12 is separated and can degrade the BPF and grow by taking the BPF as the unique carbon source and energy. On the basis, a BPF degradation gene cluster bpf is obtained from the strain DN12 by adopting whole genome and comparative transcriptome sequencing analysis. Three different degrading enzymes (two-component oxidase BpfAB, monooxygenase BpfC and hydrolase BpfD) are found in the gene cluster and can catalyze gradual degradation of BPF, and a simple aromatic ring compound p-hydroxybenzoic acid is generated.
Owner:NANJING AGRICULTURAL UNIVERSITY

A light-shielding paint having high weather resistance and coating adhesion and a preparation method thereof

The present application relates to a kind of high weather resistance and coating adhesion sunscreen coating and its preparation method, belong to sunscreen coating technical field;The present application uses the modifier with disulfide bond and polymerizable double bond to modify polyacrylate emulsion, significantly improve the flexibility of polyacrylate molecular chain after modification, reduce solidification shrinkage stress and internal stress, improve the coating adhesion of sunscreen coating of hard filler to matrix resin, it can also form stable chemical bonding between polyacrylate resin and titanium dioxide, provide stable stress transfer path, reduce the cracking and warping of coating, in addition, the modifier of the present application has good heat resistance aromatic ring structure, using the modifier of the present application can improve the heat resistance of sunscreen coating without introducing additional modifier.
Owner:FUYUAN NEW MATERIALS (SHANGHAI) CO LTD

Coating composition and in-mold coating method

PendingCN119546715AExcellent water-resistant and well-adhesivehigh hardnessPolyurea/polyurethane coatingsPolymer scienceWeather resistance
The purpose of the present invention is to provide a coating composition which is capable of forming a coating film having excellent water tightness resistance, hardness, and weather resistance, and which has a low VOC content. The coating composition is characterized by containing (A) a compound containing an isocyanate reactive group, (B) a polyisocyanate compound, and (C) a carbodiimide group-containing compound, and the solid content concentration of the coating composition is 90 mass% or more. In the coating composition, the carbodiimide group-containing compound (C) has an isocyanate group. In the coating composition, the carbodiimide group-containing compound (C) has an aromatic ring structure.
Owner:KANSAI PAINT CO LTD

Radiation-sensitive resin composition and method for forming pattern

A radiation-sensitive resin composition includes: a first onium salt compound represented by formula (1); a second onium salt compound represented by formula (2); a resin including an acid-dissociable group; and a solvent. R1 is a substituted or unsubstituted monovalent hydrocarbon group or the like; R2 and R3 are each independently a hydrogen atom, a fluorine atom, or the like; and Z+ represents a monovalent radiation-sensitive onium cation. R4 is a monovalent organic group; one of Rf21 and Rf22 is a fluorine atom, and the other is a fluorine atom or a monovalent fluorinated hydrocarbon group; Ar is a monovalent organic group including an aromatic ring; R5, R6, R7, and R8 each independently represent a hydrogen atom, a hydroxy group, a halogen atom, or a monovalent organic group; and X is a single bond or a divalent hetero atom-containing group.
Owner:JSR CORPORATION

Proton conductive electrolyte material, method for producing proton conductive electrolyte material, and fuel cell

This proton conductive electrolyte material has a chemical structure which comprises an acidic polymer (2) that contains an oxo acid group represented by -POx(OH)y (wherein x and y are each 1 or more), having a phosphorus atom, and at least one saturated hydrocarbon group in the main chain, and a basic polymer (3) that contains a basic functional group, while having at least one aromatic ring in the main chain, wherein an attractive interaction occurs between the oxo acid group and the basic functional group. This fuel cell is provided with the proton conductive electrolyte material. This method for producing a proton conductive electrolyte material includes: preparing a first solution by means of an acidic polymer and a mixed solvent; preparing a second solution in which a basic polymer is dissolved in a solvent; and preparing a mixed solution in which the first solution and the second solution are mixed. With respect to the preparation of the first or second solution, a mixed solvent which contains an inhibitor that is capable of inhibiting rapid aggregation of the oxo acid group and the basic functional group is prepared.
Owner:SOKEN CO LTD +3

Viscosity reduction type concrete super plasticizer as well as preparation method and application thereof

The invention provides a viscosity reduction type concrete super plasticizer and a preparation method and application thereof.The super plasticizer is solid and is prepared from an unsaturated monomer a, an unsaturated monomer b and an unsaturated monomer c through free radical polymerization under the microwave condition, the unsaturated monomer a is methacrylic acid or methyl alkenyl phosphonic acid monomer, and the unsaturated monomer b is methacrylic acid or methyl alkenyl phosphonic acid monomer. The unsaturated monomer b is a monomer containing a rigid ring, the rigid ring is an aromatic ring or an imidazole ring or a pyridine ring, and the unsaturated monomer c is an unsaturated polyether monomer containing a benzene ring. A methyl group and a rigid ring group are introduced into a main chain of the super plasticizer, so that the rigidity of a polymer is improved, the hydrophobicity is increased, the conformation of the polymer is changed, and a relatively thick water film layer is formed on the surface of cement particles; meanwhile, a branched structure side chain is introduced into the super plasticizer, so that the molecular size of the polymer can be remarkably increased, the steric hindrance effect of the polymer is more outstanding, the dispersing capacity is good, the thickness of a water film layer on the surface of cement can be increased, and the viscosity of concrete is further reduced.
Owner:BOTE BUILDING MATERIALS (TIANJIN) CO LTD +1

Reactive adhesive, laminate, packaging material, and packaged article

To provide: a reactive adhesive that has excellent alkali releasability and does not undergo strength degradation over time even when the contents include acidic components, alkaline components, volatile components, surfactant components, and the like, and that also exhibits excellent recyclability and long-term content resistance; and a laminate, a packaging material and a packaged article that achieve both recyclability and long-term content resistance.SOLUTION: The reactive adhesive comprises a polyol composition and a polyisocyanate. The polyol composition comprises a polyester polyol (A) and a rosin-modified resin (B) having a hydroxyl group and an acidic group. The polyester polyol (A) is produced from polybasic acids or derivatives thereof and polyhydric alcohols as essential raw materials. The content of polybasic acids or derivatives thereof having an aromatic ring in the total amount of polybasic acids or derivatives thereof is 35 mass% or more. The mass ratio ((B) / (A)) of the rosin-modified resin (B) to the polyester polyol (A) is from 0.03 to 1.5.SELECTED DRAWING: None
Owner:TOYO INK MFG CO LTD

Optical monomer and preparation method thereof, composition, resin material and preparation method thereof

The invention discloses an optical monomer and a preparation method thereof, a composition, a resin material and a preparation method thereof. The optical monomer provided by the invention comprises a quaternary carbon structure and a side chain connected with the quaternary carbon structure through an ester bond. The side chain comprises a thioether chain segment connected with an ester bond, an aromatic group connected with the thioether chain segment and an epoxy group connected with the thioether chain segment. The optical monomer provided by the embodiment of the invention takes a quaternary carbon structure as a core skeleton, and a side chain sequentially comprises an aromatic group, a thioether chain segment and a terminal epoxy group. A thioether structure with high polarizability and an aromatic group are introduced into the molecular design of the optical monomer, so that the refractive index and the optical transparency of a resin material are remarkably improved. And the rigidity of the epoxy aromatic ring is beneficial to improving the thermal stability and mechanical strength of the resin material. The epoxy group at the tail end can react with conventional epoxy resin to form a compact network structure, so that the stability of the resin material is improved, and the yellowing tendency is reduced.
Owner:ZHUHAI MOJIE TECH CO LTD

Hindered phenol monomer containing organophosphorus heterocyclic ring as well as preparation method and application of hindered phenol monomer

The invention discloses a hindered phenol monomer containing organic phosphorus heterocyclic rings as well as a preparation method and application of the hindered phenol monomer. The hindered phenol monomer has any one of the following structures: R is selected from-(CH2) b-or an aromatic ring, b is 3 or 4, and the aromatic ring comprises a benzene ring and / or a furan ring. The intrinsic flame-retardant anti-droplet polymer provided by the invention has the characteristics of excellent flame retardance and no droplet, and meanwhile, the intrinsic flame retardant is copolymerized into a molecular chain, so that the intrinsic flame-retardant anti-droplet polymer is not easy to migrate, does not permeate into the surrounding environment, is stable in property, can be used for injection molding and spinning, and can be used for preparing flame-retardant blocky products and fabrics; the composite material is used for interiors of electric appliances, switches, firefighter uniform, military uniform, automobiles, high-speed rails and other limited spaces.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACAD OF SCI