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270 results about "Unsaturated bonds" patented technology

Bonding method and wafer room temperature bonding method

PendingCN121772610ASemiconductor materialsWafer
The invention belongs to the technical field of semiconductor material processing, and relates to a bonding method and a wafer room temperature bonding method, which are executed by a bonding system comprising a film forming chamber, a bonding chamber, a transmission chamber and a bonding point location preparation unit. The method comprises the following steps: forming an active film layer containing unsaturated bond active points on the surface of a wafer; active components are introduced through the bonding point site preparation unit, so that the active components react with the active point sites to form bonding point sites; transmitting the two wafers to a bonding chamber and aligning the two wafers; pressure is applied, and bonding is completed by means of the pressure and the bonding reaction between the bonding points. According to the method, the flat and active bonding surface can be prepared, the lattice structure is not influenced in the bonding process, and the quality of the bonding wafer product can be improved.
Owner:SABERS CO LTD

Alumina, method of preparation and use thereof

The application relates to the field of catalysis, and discloses an aluminum oxide, a preparation method and application thereof, and a solid state 27 The Al magic angle spinning nuclear magnetic resonance spectrum has characteristic peaks between 16-51 ppm, and the electron paramagnetic resonance spectrum of the aluminum oxide has characteristic peaks at g=2.002-2.004. The surface and the interior of the aluminum oxide material provided by the application have F color centers, the aluminum oxide material can activate hydrogen under mild conditions, does not need to exist in the presence of a transition metal species, and catalyzes hydrogenation of a compound containing a carbon-carbon unsaturated bond.
Owner:TAN KAH KEE INNOVATION LAB

Coatings

The present invention provides an electronic or electrical device or component thereof comprising a cross-linked polymeric coating on a surface of the electronic or electrical device or component thereof; wherein the cross-linked polymeric coating is obtainable by exposing the electronic or electrical device or component thereof to a plasma comprising a monomer compound and a crosslinking reagent for a period of time sufficient to allow formation of the cross-linked polymeric coating on a surface thereof,wherein the monomer compound has the following formula:where R1, R2 and R4 are each independently selected from hydrogen, optionally substituted branched or straight chain C1-C6 alkyl or halo alkyl or aryl optionally substituted by halo, and R3 is selected from:where each X is independently selected from hydrogen, a halogen, optionally substituted branched or straight chain C1-C6 alkyl, halo alkyl or aryl optionally substituted by halo; and n1 is an integer from 1 to 27; and wherein the crosslinking reagent comprises two or more unsaturated bonds attached by means of one or more linker moieties and has a boiling point at standard pressure of less than 500° C.
Owner:P2I LTD

Improved hyaluronic acid injection formulations for inflammation targeting and stem cell capture, and methods of making and uses thereof

The application provides an improved hyaluronic acid injection preparation for inflammation targeting and stem cell capture, a preparation method and use thereof, and belongs to the field of medicine. The injection preparation is prepared from unsaturated bond modified hyaluronic acid, stem cell targeting DNA tetrahedron and thiol modified inflammation targeting aptamer as raw materials. The injection preparation can be targeted to accumulate at an osteoarthritis site, capture mesenchymal stem cells in situ, recruit mesenchymal stem cells to the osteoarthritis site, promote differentiation of stem cells into cartilage, promote cartilage repair, play a role in treating osteoarthritis, and has a good application prospect.
Owner:SICHUAN UNIV

Preparation method and application of unsaturated bond extended tetraphenyl ethylene siloxane compound

The invention belongs to the technical field of material science, and relates to a preparation method and application of an unsaturated bond extended tetraphenyl ethylene siloxane compound. An unsaturated bond is introduced into a siloxane group, and the siloxane group containing the unsaturated bond and a tetraphenyl ethylene derivative are subjected to a coupling reaction. The coupling reaction is carried out in an inert atmosphere, the temperature is 90-150 DEG C, and the time is 6-24 hours. And purifying the product by silica gel column chromatography to obtain the target compound. Unsaturated bonds are introduced into a tetraphenyl ethylene structure, so that the adjustability of the photochromic wavelength is realized, the performance of the compound is remarkably improved, the application range of the compound is remarkably widened, and a new thought and a new method are provided for development of photochromic materials.
Owner:SHANDONG UNIV +1

Modified sodium ion inorganic conductor and preparation method thereof, composite solid electrolyte and preparation method thereof, and solid-state battery

The invention relates to the field of sodium ion batteries, and discloses a modified sodium ion inorganic conductor, a preparation method of the modified sodium ion inorganic conductor, a composite solid electrolyte, a preparation method of the composite solid electrolyte and a solid battery. The prepared modified sodium ion inorganic conductor can be subjected to a cross-linking polymerization reaction with a corresponding cross-linking agent containing unsaturated bonds in the presence of an initiator to form a compact structure in which inorganic filler and a cross-linking agent chain segment are directly chemically bonded; therefore, high ionic conductivity, high sodium ion transference number, low bulk phase impedance and low electrode-electrolyte interface impedance of the composite solid electrolyte are realized, and development of a sodium ion battery with high cycle stability and high use safety is facilitated.
Owner:GUANGDONG HAISIDA NAXING TECHNOLOGY CO LTD

Curable composition, cured film, and imaging device

Provided is a curable composition capable of forming a cured film having a high refractive index and good heat resistance. The present invention provides a curable composition containing titanium oxide particles and a polymerizable compound. The polymerizable compound is a compound having one or two ethylenically unsaturated bonds. The polymerizable compound has a molecular weight or a weight-average molecular weight of 3000 or less. The total content of the titanium oxide particles and the polymerizable compound is 85 mass% or more based on the total solid content of the curable composition.
Owner:SUMITOMO CHEM CO LTD

A copolymer film, its preparation method and use

This application provides a copolymer membrane, its preparation method, and its application. The copolymer membrane is a hydrophilic-hydrophobic or hydrophilic-hydrophobic-hydrophilic bilayer structure, wherein the hydrophobic ends are cross-linked by unsaturated bonds. This application uses thermal cross-linking to cross-link the hydrophobic ends of the bilayer structure through unsaturated bonds. This method improves membrane stability; it also immobilizes nanoporins within the membrane, increasing the bonding strength between the pores and the membrane and reducing the risk of nanoporin detachment; furthermore, it significantly reduces the need for light-transmitting materials for UV cross-linking, lowering costs; and it avoids the adverse effects of free radicals generated by chemical cross-linking on the porous proteins.
Owner:BEIJING POLYSEQ BIOTECH CO LTD

Resin composition, film, optical filter, solid-state imaging element, and image display device

A resin composition includes a coloring material, a resin, and a solvent. The resin includes a graft polymer which has a main chain including a molecular chain having a structure derived from a compound having an ethylenically unsaturated bond-containing group and a graft chain, and the graft chain includes a repeating unit p1 having an oxetane group. The resin composition may be employed in a film formed of the resin composition; an optical filter; a solid-state imaging element; and an image display device.
Owner:FUJIFILM CORP

Compound, photosensitive fluorescent resin composition comprising same, color conversion film prepared using same, backlight unit, and display device

A compound represented by Chemical Formula 1:a photoresist fluorescent resin composition containing the compound of the Chemical Formula 1, a binder resin and a polymerizable compound including an ethylenically unsaturated bond, a color conversion film manufactured using the photoresist fluorescent resin composition, a backlight unit comprising the color conversion film, and a display apparatus comprising the backlight unit.
Owner:LG CHEM LTD

Rubber composition for tire side wall and pneumatic tire

A rubber composition for tire side wall comprising, per 100 parts by mass of a rubber component containing at least a diene-based rubber, 0.2 to 7 parts by mass of a compound represented by the following general formula (1):wherein at least one of R1 to R5 is an —OH group or an —OCH3 group and others are each an —H group or a hydrocarbon group having 1 to 20 carbon atoms, A is an unsaturated bond or an alkylene group having 1 to 20 carbon atoms and optionally having an —H group, a —CH3 group, an —NH2 group, an —O— group, or an —OH group, n is an integer of 0 to 10, and B is a —COOH group, an —OH group, or an ═O group and optionally forms a ring structure with adjacent R1 or R5.
Owner:TOYO TIRE CORP

Electrochemical method for preparing deuterated silane

PendingCN121519072AIsotope introduction to sugar derivativesSilicon organic compoundsPtru catalystSilanes
The invention discloses an electrochemical method of deuterated silane. The method comprises the following steps: in a protective atmosphere, mixing substituted silane, an electrolyte, a nickel catalyst, a ligand and deuterium water in a solvent, carrying out an electrochemical deuterization reaction under a constant current condition, and carrying out post-treatment to prepare the deuterated silane compound. The method takes deuterium water as a deuterium source, and is green, economical, cheap and easy to obtain; a catalytic amount of nickel and silane form a silicon-nickel intermediate, so that the polarity of silicon is reversed, and the generation of a silane self-coupling product and a silanol byproduct is effectively avoided; the electrochemical synthesis method has the characteristics of mild reaction conditions, cleanness, greenness and simplicity in reaction operation. The electrochemical synthesis method provided by the invention realizes successful preparation of the natural product post-modified deuterated silane, and has important significance in the aspects of drug development and deuterated compound research; the electrochemical synthesis method disclosed by the invention can resist high current to prepare the ten-gram-grade deuterated silane, and has a wide industrial application prospect. In addition, the deuterated silane synthetic product can be used as a silicon deuteration reagent, the practicability of the deuterated silane synthetic product in unsaturated bond reduction reaction is proved, and the deuterated silane synthetic product has a wide development prospect.
Owner:NANKAI UNIV

Compound and reagent for detecting sialidase

To provide a detection reagent hardly causing noise due to generation of nonspecific fluorescence, and capable of detecting sialidase with higher accuracy.SOLUTION: The present invention relates to a compound represented by formula (I) or a salt thereof, or a solvate thereof. In the formula (I), R1 represents a halogen atom, and R2 represents an alkyl group having 5 to 11 carbon atoms or a hydrocarbyl group having 5 to 11 carbon atoms and having one or more unsaturated bonds. ] SELECTED DRAWING: None
Owner:UNIV OF SHIZUOKA +1

Photosensitive resin composition, hardened film, substrate with hardened film, and method for manufacturing substrate with hardened film

The present application provides a photosensitive resin composition, a hardened film, a substrate with a hardened film, and a manufacturing method of a substrate with a hardened film, which can form a resin film pattern having excellent development adhesion, linearity, and resistance to solvents and alkalis, even when a substrate with low heat resistance is used. The photosensitive resin composition of the present application is a photosensitive resin composition for forming a hardened film on a substrate with a heat resistance temperature of 111°C or less, and comprises: (A) an alkali-soluble resin containing an unsaturated group, (B) a photopolymerizable monomer having two or more ethylenic unsaturated bonds, (C) an epoxy compound having two or more 3,1-epoxycyclohexyl groups, (D) a photopolymerization initiator, and (E) a solvent. The content of the (C) component is 5 to 17 mass% relative to the total mass of the solid components.
Owner:NIPPON STEEL CHEM & MATERIAL CO LTD

Curable organopolysiloxane compositions and use thereof

PendingCN122122241APolymer sciencePtru catalyst
Provided is a novel curable organopolysiloxane composition and the like that can be used in the production of semiconductor components and the like. A curable organopolysiloxane composition comprising: (A1) an organopolysiloxane having no curable functional group having an aliphatic unsaturated bond within the molecule, and containing at least 20 mol% or more of siloxane units represented by SiO 4 / 2 (A1-1) in the total siloxane units; (A2) an organopolysiloxane having at least one monovalent hydrocarbon group having an aliphatic unsaturated bond in one molecule; (B) an organohydrogenpolysiloxane containing at least two silicon-bonded hydrogen atoms in one molecule; (C) a first hydrosilylation catalyst that exhibits activity by irradiation of high-energy rays; and (D) a second hydrosilylation catalyst microencapsulated by a thermoplastic resin having a softening point in the temperature range of 50 to 200°C.
Owner:DOW TORAY CO LTD

Flexible solid-state electrolyte and method for preparing the same, secondary battery

The application belongs to the technical field of batteries, and particularly relates to a flexible solid electrolyte and a preparation method thereof, and a secondary battery. The preparation method of the flexible solid electrolyte comprises the following steps: mixing and processing a polymer monomer, semiconductor nanoparticles, ion conductor nanoparticles, an alkali metal salt and a polymer initiator to obtain a precursor slurry; the polymer monomer is selected from monomers containing a polar group and a single-end unsaturated bond; and the precursor slurry is subjected to polymerization processing to obtain a molded flexible solid electrolyte. The preparation method of the flexible solid electrolyte of the application obtains a long-chain comb-shaped polymer with a linear carbon chain formed by unsaturated bond addition polymerization as a main chain and a monomer containing a polar group as a branch chain, and the long-chain comb-shaped polymer has excellent flexibility, elasticity, ion conductivity, voltage resistance and pyrolysis temperature and other characteristics.
Owner:SOUTHERN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Non-aqueous electrolyte secondary batteries

A non-aqueous electrolyte secondary battery has a negative electrode (12) having a negative electrode current collector (40) and a negative electrode compound layer (42) disposed on the surface of the negative electrode current collector (40). The negative electrode compound layer (42) contains a first negative electrode active material with a first internal porosity and a second negative electrode active material with a second internal porosity greater than the first internal porosity. The first negative electrode active material is largely contained on the surface side of the negative electrode compound layer (42). The non-aqueous electrolyte contains at least a sulfonyl lactone compound having unsaturated bonds and fluoroethylene carbonate. In the non-aqueous electrolyte, when the concentration of the sulfonyl lactone compound is set to X mass% and the concentration of fluoroethylene carbonate is set to Y mass%, the following conditions are met: 0.01≤X≤5.0, 0.01≤Y≤2.0, and X / Y>0.5.
Owner:PANASONIC ENERGY CO LTD

A resin composition and use thereof

PendingCN122302464AMetallic foilPolymer science
This invention provides a resin composition and its application. The resin composition comprises a combination of an acenaphthene-modified polymer and a component containing C=C unsaturated bonds. The monomers of the acenaphthene-modified polymer include acenaphthene and a polyfunctional vinyl aromatic compound, and the molar percentage of acenaphthene in the monomers is 10-90%. Based on a total mass of 100 parts for the acenaphthene-modified polymer and the component containing C=C unsaturated bonds, the mass of the acenaphthene-modified polymer is 10-80 parts. This invention, through the design of the acenaphthene-modified polymer and its mutual compounding with the component containing C=C unsaturated bonds, enables the resin composition and the prepreg and metal foil laminate containing it to have high glass transition temperatures, excellent heat resistance, dielectric properties, resistance to damp heat, and filler properties, significantly improving the internal consistency of the substrate and fully meeting the performance requirements of high-transmission-rate substrates.
Owner:GUANGDONG SHENGYI SCI TECH

Mirable-type silicone rubber compound and Mirable-type silicone rubber composition

PendingJP2026061389APolymer sciencePtru catalyst
Provided is a millable silicone rubber compound excellent in cold resistance, which can maintain rubber elasticity in an ultra-low temperature range without using various conventional techniques for improving cold resistance. 【Solution means】A millable silicone rubber compound containing the following components (A) to (E). (A) The following formula (1) M n M Vi (2-n) D γ D Vi δ (1) M:R 1 3SiO (1 / 2) M Vi :R 1 2RSiO (1 / 2) D:R 1 2SiO (2 / 2) D Vi :R 1 RSiO (2 / 2) (In the formula, R is independently an alkenyl group, R 1 is independently an unsubstituted or substituted monovalent hydrocarbon group not containing an aliphatic unsaturated bond. n is a positive number from 0 to 2. γ satisfies (γ / (γ + δ)) ≤ 0.98, δ satisfies (δ / (γ + δ)) ≥ 0.02, and (γ + δ) is a positive number such that (γ + δ) ≥ 6000.) raw rubber represented by (B) A compound having one hydrogen atom bonded to a silicon atom, (C) A specific dispersant, (D) Reinforcing silica having a specific specific surface area, (E) An addition reaction catalyst
Owner:SHIN ETSU CHEMICAL CO LTD

Semiconductor photoresist composition and method of forming patterns using the composition

Disclosed are a semiconductor photoresist composition and a method of forming patterns using the same, the semiconductor photoresist composition including an organometallic compound; an alcohol compound including an unsaturated bond; and a solvent.
Owner:SAMSUNG SDI CO LTD

Method for producing polyimide precursor, resin composition, method for producing cured product, cured product, and electronic component

This method for producing a polyimide precursor comprises: a step for reacting a tetracarboxylic acid compound and a diamine compound in the presence of an organic dehydrating agent to obtain a polyimide precursor containing a polymerizable unsaturated bond; and a step for bringing the polyimide precursor into contact with an acid.
Owner:HD MICROSYSTEMS LTD

Masterbatch based on a modified polymer and an organophosphorus additive, and method for manufacturing same

ActiveUS12679935B2MasterbatchPolymer science
A process for manufacturing a masterbatch comprises the following steps: (a) bringing at least one initial polymer comprising at least one carbon-carbon unsaturation into contact with at least one 1,3-dipolar grafting agent bearing at least one nitrile oxide dipole in the presence of at least one organophosphorus additive selected from the group consisting of phosphoric acid triesters, phosphonates, phosphinates, phosphine oxides and the mixtures of these compounds, and (b) recovering the masterbatch obtained in the preceding step. The masterbatch and compositions containing it and also tires comprising such compositions are also disclosed.
Owner:MICHELIN & CO (CIE GEN DES ESTAB MICHELIN)

A gel electrolyte composition and use thereof

This invention relates to a gel electrolyte composition and its application. The gel electrolyte composition comprises acrylate monomers, polyethylene oxide, a bifunctional alkoxysilane crosslinking agent, an initiator, a lithium salt, and a solvent, wherein the bifunctional alkoxysilane crosslinking agent is an alkoxysilane with terminal unsaturated bonds. The gel electrolyte composition of this invention has extremely low viscosity, enabling "normal electrolyte injection" indistinguishable from liquid electrolytes, perfectly wetting thick electrodes, seamlessly integrating with existing battery production lines, and showing excellent industrialization prospects.
Owner:HUIZHOU RUINA NEW ENERGY TECHNOLOGY CO LTD

An active energy ray curing composition, comprising a polymerizable monomer and a polyester resin

An active energy ray curing composition contains a polymerizable monomer having a phosphoric acid ester group and a polyester resin having an unsaturated bond and a number average molecular weight of 3,000 or less.
Owner:RICOH CO LTD

Secondary battery, preparation method thereof and electric device

The invention provides a secondary battery, a power utilization device and a preparation method of the secondary battery. The secondary battery comprises a positive pole piece, wherein the positive pole piece comprises a positive current collector and a positive film layer arranged on at least one surface of the positive current collector; the positive electrode film layer comprises a positive electrode active material and an additive, the additive comprises blocked isocyanate, and blocking molecules used for blocking comprise one or more of compounds with the structure shown in the formula I. And the isocyanate comprises one or more of compounds with a structure as shown in the following formula II. According to the secondary battery, the blocked isocyanate is adopted as an additive to be contained in a positive electrode film layer, unsaturated bonds in the blocked isocyanate can react with oxygen free radicals generated by a positive electrode active material to generate a stable compound, and therefore gas generated by the secondary battery is reduced. R2-[OH] n (I) and R3-[NCO] m (II).
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

Coating composition comprising copolymer and method for preparing same

PCT designated stageWO2026029567A1CoatingsPolymer sciencePolymer resin
A coating composition according to an embodiment of the present disclosure may contain a copolymer, wherein the copolymer may comprise a polymer resin including bis-2-hydroxyethyl terephthalate and an unsaturated polybasic acid bonded to the bis-2-hydroxyethyl terephthalate, and an acrylic resin polymerized to the unsaturated polybasic acid via an unsaturated bond of the unsaturated polybasic acid.
Owner:SAMSUNG ELECTRONICS CO LTD +1

Zinc carboxylate compositions and zinc carboxylate solutions containing zinc carboxylate compositions

The present invention improves the viscosity stability, heat resistance, and solubility stability of zinc carboxylate in the use of dissolving zinc carboxylate in a solvent or melting zinc carboxylate itself. The carboxylic acid constituting zinc carboxylate contains 0.5 to 6.0 mass% of component (A), 0.05 to 1.2 mass% of component (B), and 88.0 to 98.0 mass% of component (C), and the mass ratio [(A) / (B)] of component (A) to component (B) is 99 / 1 to 75 / 25. (A) Linear saturated carboxylic acid having 12 to 22 carbon atoms. (B) Linear unsaturated carboxylic acid having 18 carbon atoms and having one unsaturated bond which is a trans double bond. (C) Linear unsaturated carboxylic acid having 18 carbon atoms and having one unsaturated bond which is a cis double bond.
Owner:NOF CORP

Photosensitive resin laminate, method for forming resist pattern, and method for forming wiring board

Provided is a photosensitive resin laminate having excellent developability of a photosensitive resin layer, and excellent adhesion and resolution of a resist pattern obtained. A photosensitive resin laminate provided with a support film and a photosensitive resin layer containing a photosensitive resin composition containing the following components: (A) an alkali-soluble polymer, (B) a compound having an ethylenically unsaturated bond, (C) a photopolymerization initiator, component (A) contains the following component: (A-1) a copolymer having a weight-average molecular weight of 25000 or less and containing a structural unit derived from a hydroxyalkyl (meth) acrylate, the content of the structural unit derived from a compound having an aromatic ring in component (A) being 50 mass% or more based on the total mass of all monomer components.
Owner:ASAHI KASEI KOGYO KABUSHIKI KAISHA

Refrigerator oil composition and mixed composition for refrigerator

A refrigerator oil composition which is used together with a refrigerant that contains an unsaturated fluorinated compound having a carbon-carbon unsaturated bond represented by general formula (I): C2FpR4-p (I) [in general formula (I), R each independently represents a hydrogen atom, a chlorine atom, a bromine atom or an iodine atom, and p is an integer of 1-3], in which R represents a hydrogen atom, a chlorine atom, a bromine atom or an iodine atom, and p represents an integer of 1-3], R represents a hydrogen atom, a chlorine atom, a bromine atom or an iodine atom, and p represents a hydrogen atom, a chlorine atom, a bromine atom or an iodine atom. A refrigerator oil composition containing a base oil (A), an epoxy compound (B), and a terpene compound (C), the epoxy compound (B) being an aliphatic epoxy compound (B1) or an alicyclic epoxy compound (B2), the total content of the epoxy compound (B) and the terpene compound (C) being 4.0 mass% or more based on the total amount of the refrigerator oil composition.
Owner:IDEMITSU KOSAN CO LTD

High-strength antibacterial spandex fabric and preparation method thereof

PendingCN122013517Adrug resistanceNo toxic hazardsBiochemical fibre treatmentUndergarmentsPolymer sciencePerylene derivatives
The invention relates to a high-strength antibacterial spandex fabric and a preparation method thereof, and belongs to the technical field of functional textile materials. The spandex fiber comprises a spandex fiber matrix and a functional polymer layer grafted on the surface of the matrix through a covalent bond, and the functional polymer layer is a polymer of an unsaturated derivative of natural phenolic acid and is prepared by introducing carbon-carbon unsaturated bond groups such as acryloyloxy and the like into the natural phenolic acid through esterification or etherification. During preparation, the spandex fiber is subjected to plasma pretreatment, and then the spandex fiber and the natural phenolic acid-containing unsaturated derivative monomer are subjected to thermal initiation or photo-initiation graft polymerization to form the functional layer. The lasting and stable antibacterial function is achieved through covalent bond grafting, the natural phenolic acid derivative endows the fiber with the environment-friendly and non-dissolution type antibacterial property, the functional layer can improve the modulus and breaking strength of the fiber, the intrinsic elasticity of spandex is considered, the comfortable fitting characteristic of the composite fabric is reserved, and the composite fabric is endowed with the high strength and the antibacterial function.
Owner:SHANTOU XIAOXING TEXTILE CO LTD +1