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65 results about "Acrylyl-CoA" patented technology

Wash-off label

The specification relates to a wash-off label (100, 200) comprising a face (101, 301) and a pressure sensitive adhesive (102, 302) adjoined to the face, wherein the face (101, 301) comprises corona discharged filmic material and the pressure sensitive adhesive (102, 302) has a composition including at least one acrylic polymer comprising acrylic monomer(s) and / or non-acrylic comonomer(s) having a carbonyl group capable of undergoing a crosslinking reaction, amount of the acrylic monomer(s) and / or non-acrylic comonomer(s) having a carbonyl group capable of undergoing a crosslinking reaction being from 0.1 to 5 wt. % of monomer composition, and a crosslinking agent with dihydrazide functionality, amount of the crosslinking agent being from 20 to 150% with respect to the amount of the carbonyl groups capable of undergoing a crosslinking reaction. The wash-off label (100, 200) is detachable from a surface when exposed to an alkaline washing solution at a temperature of 85 degrees C. the detachability being such that the pressure sensitive adhesive (102, 302) remains attached to the face (101, 301). Further, the specification relates to a labelled item and use of the wash-off label for labelling an item. Still further, the specification relates to a label laminate web and a method of manufacturing the wash-off label as well as to a pressure sensitive adhesive composition for a wash-off label.
Owner:UPM RAFLATAC OY

Two-component negative electrode binder and use method thereof

The invention relates to the technical field of lithium battery negative electrode binders, in particular to a two-component negative electrode binder and a using method thereof.The two-component negative electrode binder comprises a component A and a component B. The component A is formed by copolymerization of acrylamide substances, fluorinated acrylate substances and acrylic acid, and the component B is formed by copolymerization of fluorinated acrylate substances and acrylic acid. The component B is formed by copolymerizing acrylic acid, acrylate, a fluorinated acrylate substance, an acrylamide substance and sulfydryl acrylate, and the component A accounts for 30wt%-70wt% of a mixture of the component A and the component B during use; when the adhesive is used for preparing the negative electrode slurry, a glue solution A and a glue solution B are prepared respectively, the glue solution A is added after the solid raw materials are subjected to dry mixing, the glue solution B is added after the solid raw materials are fully stirred, and finally the leveling aid is added. The two-component negative electrode binder provided by the invention has both rigidity and softness, strong binding power with a main material, strong self-adaptive expansion capability, high release force retention rate after long circulation, and good interface stability.
Owner:深圳耀石锂电科技有限公司

Active energy ray-curable inkjet printing ink composition

An active energy ray-curable inkjet printing ink composition satisfies requirements A to E below is provided: (A) the content of amine-modified oligomer is 1.0 to 20.0% by mass; (B) alkoxy group-containing (meth)acrylate monomers are contained by 2.0 to 20.0% by mass; (C) (meth)acrylate monomers having an alkyl group with 6 to 20 carbon atoms is contained by 2.0 to 25.0% by mass; (D) at least one type selected from the group that consists of 1,6-hexanediol diacrylate, 3-methyl-1,5-pentanediol diacrylate, dipropylene glycol diacrylate, 1,10-decanediol diacrylate, propoxylated(2)neopentyl glycol diacrylate, and hydroxypivalic acid neopentyl glycol diacrylate is contained by 30.0 to 60.0% by mass; (E) as photopolymerization initiators, ethoxy(2,4,6-trimethylbenzoyl)phenylphosphine oxide is contained by 3.0 to 15.0% by, and oligo(2-hydroxy-2-methyl-1-(4-(1-methylvinyl)phenyl)propanone) and / or 2-hydroxy-1-{4-[4-(2-hydroxy-2-methylpropionyl)phenoxy]phenyl}-2-methylpropanone is / are contained by 2.0 to 10.0% by mass, where the total content of photopolymerization initiators is 6.0 to 25.0% by mass.
Owner:SAKATA INX

Stress resolution encryption material and preparation method thereof, structural color anti-counterfeit label and encryption method

The invention relates to the technical field of polymer encryption materials, and discloses a stress resolution encryption material, a preparation method thereof, a structural color anti-counterfeit label and an encryption method. The stress resolution encryption material has a hard mask / flexible substrate double-layer structure, and the preparation method comprises the following steps: reacting an acrylic acid-co-acrylate copolymer solution with an anthracene derivative to obtain a hard mask material solution; the preparation method comprises the following steps: dissolving acrylate, diacetone acrylamide and an emulsifier in a solvent, and carrying out polymerization reaction under the action of an initiator to obtain an emulsion; curing and drying the emulsion to obtain a latex film; and coating the surface of the latex film with the hard film material solution. According to the stress resolution encryption material, stress programming exposure is carried out through the light source and the photomask, recording of structural color pattern information is achieved, the stress resolution encryption material has the strain resolution characteristic, and the optical performance of the surface changes along with changes of external stimulus. When the strain resolution encrypted information is read, external equipment is not needed, and the strain resolution encrypted information can be stretched by hands and identified by naked eyes.
Owner:GUANGDONG UNIV OF TECH +1

Nylon composite material as well as preparation method and application thereof

ActiveCN119978792AGlass fiberPolymer science
The invention discloses a nylon composite material as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. The nylon composite material provided by the invention comprises the following components in parts by mass: 38-68 parts of nylon, 18-42 parts of glass fibers, 13-25 parts of a halogen-free flame retardant and 1-6 parts of a toughening agent, the nylon comprises at least one of PA6 and PA66, and the relative viscosity of the nylon is greater than or equal to 2.3; in the glass fiber, the mass percent of calcium oxide is less than or equal to 11.5%; the toughening agent comprises at least one of an ethylene-methacrylic acid-acrylate terpolymer and an ethylene-acrylic acid copolymer. The nylon composite material provided by the invention has excellent flame retardant property, deflection and low-temperature toughness.
Owner:SHANGHAI KINGFA SCI & TECH +1

Catalyst for synthesizing 3-methyl-3-butene-1-alcohol as well as preparation and application of catalyst

The invention discloses a catalyst for synthesizing 3-methyl-3-butene-1-alcohol as well as preparation and application of the catalyst. The preparation method of the catalyst comprises the following steps: (S1) mixing acrylic acid, acrylate, a dispersing agent, a flatting agent and a light curing agent to obtain a photosensitive resin mixed solution; (S2) mixing first powder with the photosensitive resin mixed solution obtained in the step (S1), sequentially adding a suspending agent, a soaking and washing agent and second powder, standing, and then adding an anti-sticking agent and a soaking and washing agent to obtain printing slurry; and (S3) loading the printing slurry obtained in the step (S2) into a liquid carrying device, carrying out 3D printing according to a set program, and carrying out post-treatment to obtain the catalyst with a three-dimensional cuboid grid skeleton structure. The catalyst is high in mechanical strength and long in service life, and is used for the process of generating 3-methyl-3-butene-1-alcohol from isobutene and formaldehyde, and the formaldehyde conversion rate and the 3-methyl-3-butene-1-alcohol selectivity are greatly improved.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Fiber-reinforced modified silicon dioxide aerogel as well as preparation method and application thereof

The invention provides fiber-reinforced modified silicon dioxide aerogel as well as a preparation method and application thereof, and relates to the technical field of aerogel. Specifically, the method comprises the following steps: sequentially carrying out acid treatment and surface modification treatment on inorganic fibers to obtain hydroxylated modified fibers; mixing silica sol, hydroxylated modified fibers and the modified emulsion, and sequentially carrying out vacuum impregnation treatment and gelation reaction to obtain modified silica gel; wherein the modified emulsion comprises acrylic acid, an acrylate compound and persulfate; and aging the modified silica gel, and carrying out replacement treatment and drying treatment by using an alcoholic solution to obtain the fiber-reinforced modified silica aerogel. By optimizing the preparation method, the bonding property of the silica aerogel and other materials is remarkably improved, the mechanical strength, the heat preservation performance and the heat stability of the silica aerogel are improved, the aerogel heat insulation coating is further provided, and the mechanical property, the weather resistance and the heat insulation performance of the silica aerogel coating can be remarkably improved.
Owner:CHINA RESOURCES CEMENT TECH RES DEV +1

(METH)acrylic resin, vehicle composition, slurry composition and electronic component

ActiveJP2025013863AMethacrylatePolymer science
To provide a (meth)acrylic resin capable of producing a ceramic laminate which can achieve both excellent low-temperature decomposability of a slurry composition and high strength of a ceramic green sheet and can be further thinned and further to provide a vehicle composition, a slurry composition and an electronic component containing the (meth)acrylic resin.SOLUTION: There is provided a (meth)acrylic resin which has a constituent unit derived from a (meth) acrylic acid ester monomer, wherein the (meth) acrylic acid ester monomer includes a (meth) acrylic acid ester monomer A and a (meth) acrylic acid ester monomer B, when the number of carbon atoms of an ester substituent group possessed by the (meth) acrylic acid ester monomer A is defined as X, the number of carbon atoms of an ester substituent group possessed by the (meth) acrylic acid ester monomer B is 4X.SELECTED DRAWING: None
Owner:SEKISUI CHEMICAL CO LTD

Halogen-free flame-retardant nylon material and preparation method thereof

The invention relates to the technical field of flame-retardant nylon materials, and provides a halogen-free flame-retardant nylon material and a preparation method thereof, the halogen-free flame-retardant nylon material comprises the following components by mass: 80-120 parts of nylon, 30-40 parts of modified polyacrylate, 1-10 parts of modified nylon, 20-40 parts of a halogen-free flame retardant, and 0.1-5 parts of an auxiliary agent; the modified polyacrylate is a copolymer of phosphorus pentoxide, hydroxyl acrylate, acrylic acid, acrylate, glass fiber and antimony trioxide; the modified nylon is a copolymer of nylon and acrylate. The components have good affinity, a uniform and stable mixed system can be formed, the mechanical strength and flame retardant property of the nylon composite material can be obviously improved by introducing the components, the product is endowed with more excellent comprehensive performance, harm to the environment and human bodies can be avoided, the ecological friendliness is higher, and the nylon composite material is suitable for industrial production. The problems existing in the prior art are solved, and the method has important significance on development and further popularization of nylon products.
Owner:FOSHAN PLASTIC NEW MATERIAL TECH CO LTD

Curable composition

To provide a curable composition excellent in curability and capable of achieving both hardness and flexibility of a cured coating film obtained therefrom.SOLUTION: The curable composition contains the following component (A): a reaction product of an organic polyisocyanate (a1) having an odd number of methylene group structures and at least one (meth)acrylate (a2) having one or more hydroxyl groups and an acrylic equivalent of 50-200 g / eq.SELECTED DRAWING: None
Owner:TOAGOSEI CO LTD

Polyamide composition as well as preparation method and application thereof

ActiveCN119708828AGlass fiberPolymer science
The invention discloses a polyamide composition as well as a preparation method and application thereof, and the polyamide composition is prepared from the following components in parts by weight: 40 to 60 parts of polyamide resin, 2 to 6 parts of ethylene-methacrylic acid-acrylate or ethylene-acrylic acid-acrylate, 20 to 40 parts of glass fiber, 0.2 to 0.5 part of stabilizer and 1 to 3 parts of lubricant. The mass percentage content of a methacrylic acid monomer or an acrylic acid monomer in the ethylene-methacrylic acid-acrylate or ethylene-acrylic acid-acrylate is 1.8%-9.2%; the lubricant is any one of a hyperbranched polyester lubricant, a hyperbranched polyamide lubricant or a polyethylene lubricant. The polyamide composition provided by the invention realizes high tensile strength and high fluidity, and also has high adhesion with flexible glue.
Owner:KINGFA SCI & TECH CO LTD

UV curable resin for producing artificial dew and preparation method thereof

A UV curable resin for producing artificial dew and a preparation method thereof, the UV curable resin includes epoxy acrylate, urethane acrylate, 2-hydroxy-methylphenylpropane-1-one, methyl phenyl glyoxylate, thickening agent, defoaming agent, polymerization inhibitor, and filler; compared to AB two-component epoxy resin, the present disclosure has lower requirements for use environment, and can flexibly adjust curing time and speed by precisely controlling intensity and illumination time of UV light source, thereby significantly reducing material loss and operational difficulty; besides, due to a faster solidification process, the present disclosure does not require a large drying area, thus production efficiency and space utilization are improved; the present disclosure uses epoxy acrylate and urethane acrylate as base resins, which renders the artificial dew have good transparency and glossiness, thereby effectively improving a simulation degree of the artificial dew, and rendering the simulated plant products more ornamental and attractive.
Owner:WANG MEIZHU

Nitrogen-free environment-friendly neutralizer and preparation method thereof

The invention relates to the field of chemical treatment of printed circuit boards, and discloses a nitrogen-free environment-friendly neutralizer which is prepared from the following components by mass concentration: 20-30 g / L of sulfuric acid; 5-10 g / L of an activator; 5-10 g / L of a penetrant; 5-8 g / L of a stabilizer; 1-3 g / L of a surfactant; 0.5-2 g / L of a corrosion inhibitor; and the balance of water. The penetrant is composed of dioctyl sodium sulfosuccinate and hydrolytic polymaleic anhydride, and the stabilizer is composed of an acrylic acid-acrylate-sulfonate terpolymer and propylene glycol alginate. The nitrogen-free environment-friendly neutralizing agent prepared by the invention is applied to chemical treatment of the printed circuit board, can effectively remove substances such as residual biological manganese dioxide on the surface of the circuit board, can uniformly clean and corrode the board surface and the interior of holes of the circuit board, endows the circuit board with a good attachment surface, is beneficial to proceeding of a later copper deposition process, and improves the production efficiency. And the copper deposition uniformity is improved.
Owner:HUIZHOU JINSHENG NEW ELECTRONIC TECH CO LTD

A halogen-free flame-retardant nylon material and its preparation method

The present invention relates to the technical field of flame-retardant nylon materials, and provides a halogen-free flame-retardant nylon material and a preparation method thereof, which comprise components in the following parts by mass: 80-120 parts of nylon, 30-40 parts of modified polyacrylate, 1-10 parts of modified nylon, 20-40 parts of halogen-free flame retardant, and 0.1-5 parts of auxiliary agent; the modified polyacrylate is a copolymer of phosphorus pentoxide, hydroxy acrylate, acrylic acid, acrylate, glass fiber and antimony trioxide; the modified nylon is a copolymer of nylon and acrylate. Among the components of the present invention, there is not only good affinity, and a uniform and stable mixed system can be formed. The introduced components can significantly improve the mechanical strength and flame retardant performance of the nylon composite material, endow the product with more excellent comprehensive performance, can also avoid harm to the environment and human body, has stronger ecological friendliness, solves the problems existing in the prior art, and is of great significance to the development and further popularization of nylon products.
Owner:FOSHAN PLASTIC NEW MATERIAL TECH CO LTD

(METH)ACRYLIC COMPOSITION, COMPOSITE MATERIAL OBTAINED FROM SUCH A COMPOSITION, PROCESS FOR THE PRODUCTION OF SAID COMPOSITION AND CORRESPONDING USES

ActiveFR3131327B1Polymer scienceMeth-
(Meth)acrylic composition, composite material obtained from such a composition, process for producing said composition, and corresponding uses. The present invention relates to a (meth)acrylic composition and also to a composite material obtained by polymerization of such a (meth)acrylic composition. In particular, the present invention relates to a (meth)acrylic composition also comprising a block copolymer, preferably a (meth)acrylic block copolymer, and also to a composite material obtained by polymerization of such a (meth)acrylic composition comprising a block copolymer, preferably a (meth)acrylic block copolymer.More particularly, the present invention relates to a (meth)acrylic composition comprising a (meth)acrylic block copolymer and a mineral filler, as well as a composite material obtained by polymerizing such a (meth)acrylic composition comprising a (meth)acrylic block copolymer and a mineral filler. The invention also relates to a method for manufacturing a (meth)acrylic composition comprising a (meth)acrylic block copolymer and a mineral filler, a method for manufacturing a composite material obtained by polymerizing such a (meth)acrylic composition, and also the uses of such a (meth)acrylic composition and such a composite material obtained.
Owner:ARKEMA FRANCE SA

Liquid cosmetic and applicator

To provide a liquid cosmetic and an applicator which have excellent sedimentation suppression and redispersibility of a luster pigment, and is hard to lose luster feel of a drawing line.SOLUTION: A liquid cosmetic contains: a luster pigment; clay mineral particles; a first copolymer which contains at least one kind selected from acrylic acid, methacrylic acid, acrylic acid ester and methacrylic acid ester as a monomer unit; a second copolymer which contains at least one kind selected from maleic acid, maleic acid anhydride, maleic acid ester and a derivative thereof, and at least one kind selected from alkyl vinyl ether, vinyl alcohol, α-olefin, styrene and styrene derivative as a monomer unit; hexylene glycol; and water.SELECTED DRAWING: Figure 1
Owner:PENTEL KK

Bioactive coating material

The present invention refers to a bioactive coating material for coating plastic materials for cell cultures, comprising a polymer conjugate of each a polymer anchor molecule having surface active anchoring groups and one or more biologically active molecules. The anchor molecule is an amphiphilic molecule with a hydrophobic moiety of styrene-, methacrylic acid-, isobutene-, acrylic acid-, acrylic acid ester-, or methacrylic acid ester units and a hydrophilic moiety of units including carboxyl-, amino-, epoxide-, thiol-, alkine- or azide groups. By selecting cell instructive coating materials cell destiny choices are individually and effectively controllable, in particular, the cell adhesion of almost any cell culture one-way articles by the user. With this concept, new options open up for high-throughput-diagnostics, stem cell-biotechnology and regenerative therapies.
Owner:ZETASCI

Water-based binder for lithium battery and preparation method of water-based binder

The invention relates to the field of lithium battery materials, in particular to a water-based binder for a lithium battery and a preparation method of the water-based binder. The aqueous binder for the lithium battery at least comprises the following raw materials in parts by mass: 55-75 parts of acrylic acid / acrylate, 15-25 parts of acrylonitrile, 3-8 parts of a crosslinking monomer, 2-4 parts of a reaction aid and 80-120 parts of deionized water. The water-based binder prepared by the invention not only can replace the existing PVDF binder product, but also can balance the performance contradiction of the existing water-based binder, considers good electrochemical stability and mechanical property requirements, has better cycle performance and low impedance, and meets various performance requirements of the existing lithium battery material.
Owner:英德市捷成化工有限公司

Decorative sheet

A decorative sheet (1) comprises a raw fabric layer (2) and a surface protective layer (5) provided on one surface of the raw fabric layer (2). The surface protective layer (5) is provided with, on a surface thereof, an irregular structure including a plurality of ridge-shaped parts each protruding in a ridge shape. The surface protective layer (5) contains a cured product of an ionizing radiation curable resin. The ionizing radiation curable resin contains: an acrylate oligomer selected from the group consisting of acrylic acrylate oligomers and 2-15 functional urethane acrylate oligomers; a 2-6 functional acrylate monomer having no ether bond; and a monofunctional acrylate monomer having a cyclic structure.
Owner:TOPPAN HOLDINGS INC

Cleaning agent having aurora-like appearance

To provide a cleaning agent having an excellent appearance which appears colored under white light (aurora-like appearance) with no need of containing any pigment.SOLUTION: There is provided a cleaning agent which contains compositions: (A) a surfactant selected from the following (A1) to (A3); and (B) a polymer selected from the following (B1) to (B2) and (C) water. Therein: the (A1) is an amphoteric surfactant; the (A2) is a nonionic surfactant having a sugar and / or a polyethylene glycol in a hydrophilic group and an alkyl group or a higher fatty acid in a hydrophobic group; the (A3) is a glutamic acid-based, sulfonate-based or sulfonic acid-based anionic surfactant; the (B1) is a polymer whose thickening mechanism is microgel formation; and the (B2) is a polymer having one or two more monomers selected from acrylic acid, an acrylic acid ester, methacrylic acid, a methacrylic acid ester and vinyl neodecanoate.SELECTED DRAWING: Figure 2
Owner:KISHO

Resin composition for optical waveguide, dry film for optical waveguide, and optical waveguide

To provide a resin composition for an optical waveguide which suppresses white turbidness and yellow discoloration, and can improve transparency.SOLUTION: A resin composition for an optical waveguide contains a (meth)acrylate resin (A), an epoxy resin (B), and a photopolymerization initiator (C). The (meth)acrylate resin (A) contains an alicyclic (meth)acrylate compound (A-1), an aromatic (meth)acrylate compound (A-2) and / or a (meth)acrylate monomer (A-3). The alicyclic (meth)acrylate compound (A-1) has a non-aromatic carbon ring in the side chain. The aromatic (meth)acrylate compound (A-2) has at least two hydroxy groups in one molecule. The photopolymerization initiator (C) has an absorption coefficient to light at the wavelength of 405 nm of 500 mL / (g cm) or less.SELECTED DRAWING: None
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD

A high-elastic and high-moisture-resistant bonding rubber and preparation method thereof

The present application relates to the field of compound rubber, and in particular to a highly elastic and moisture-resistant bonding rubber and a preparation method thereof. In the present application, based on a natural rubber / styrene-butadiene rubber mixed system, ethylene-vinyl alcohol block copolymer and acrylic acid-acrylate block copolymer are added, a large number of hydroxyl groups are introduced into the system to improve the bonding performance, and the effect of making it difficult for water vapor to penetrate the adhesive layer is achieved through the reaction system, thereby obtaining a compound rubber with good elasticity, moisture resistance and folding resistance.
Owner:浙江富明橡塑有限公司

Camellia laundry gel beads and packaging method thereof

The invention discloses a camellia laundry gel bead and a packaging method of the camellia laundry gel bead. The camellia laundry gel bead is prepared from the following components: a camellia extract, propylene glycol, glycerol, deionized water, isomeric alcohol polyether, fatty alcohol-polyoxyethylene ether, fatty alcohol-polyoxyethylene ether sodium sulfate, difatty alkyl ester hydroxyethyl methyl ammonium methyl sulfate, cocamidopropyl betaine, diethanol amine, citric acid, a silver ion compound and a complexing agent. According to the camellia laundry gel bead, the acrylic acid-acrylate copolymer, the preservative, the essence and the pigment are added, the camellia laundry gel bead emits light camellia fragrance, people can feel happy, the fragrance is lasting, and clothes can be kept to emit light fragrance for a long time. The laundry detergent has strong cleaning ability, can go deep into clothing fibers and remove various stubborn stains, also has the functions of degerming, softening and color protecting, and can protect the color and texture of clothing, so that the clothing is softer and more comfortable.
Owner:CHANGSHAN COUNTY ZEDA CAMELLIA OIL IND DEVELOPMENT CO LTD +1

Water-based pole piece edge sealing insulating adhesive, preparation method and application

The invention provides a water-based pole piece edge sealing insulating adhesive, a preparation method and application. The water-based pole piece edge sealing insulating adhesive has a core-shell structure which takes polyacrylic acid and ester thereof as a core and takes a PAA macromolecular structure fragment as a single-layer or multi-layer shell; a plurality of monomers including acrylic acid, acrylic ester, styrene, polar monomers, self-emulsifying monomers and crosslinking monomers are used as raw materials and are subjected to core-shell emulsion polymerization to prepare the emulsion. Wherein the proportion of the polar group is 5-30%, and the proportion of the self-emulsifying group is 1-8%. By selecting monomer raw materials and controlling the proportion, the prepared adhesive has proper surface tension and viscosity and has excellent infiltration and adhesion performance on current collector aluminum foil, especially oil-containing aluminum foil and inorganic filler, and the peel strength can reach 360 N / m; and the adhesive has a core-shell structure, so that the flexibility of the insulating coating is maintained, excellent low-absorption performance on electrolyte is achieved, and the performance of the battery is not influenced.
Owner:CHENGDU CODYYA TECHNOLOGY CO LTD

Phosphorus-free and zinc-free corrosion and scale inhibitor for soft water closed circulating cooling water system and preparation method of phosphorus-free and zinc-free corrosion and scale inhibitor

The invention belongs to the technical field of water treatment, and particularly relates to a phosphorus-free and zinc-free corrosion and scale inhibitor for a soft water closed circulating cooling water system, which comprises the following components in parts by weight: 10-25 parts of a scale inhibition dispersant, 25-35 parts of a corrosion inhibitor and 40-55 parts of an auxiliary agent, wherein the scale inhibition dispersant is one or more of an acrylic acid-acrylate-organic sulfonate terpolymer, hydrolytic polymaleic acid, sodium gluconate and polyepoxysuccinic acid; and the corrosion inhibitor is azole QD-504, amphoteric imidazoline, sodium benzoate, polyepoxysuccinate and the like. The scale inhibitor has good corrosion inhibition performance on stainless steel, carbon steel, navy copper and other materials, and has a good dispersion effect on dust, microbial slime and the like entering a circulating cooling water system. When the corrosion and scale inhibitor is put into use, phosphate scale cannot be formed in circulating water, wastewater discharged from the circulating water cannot cause phosphorus-containing eutrophication and zinc pollution to the environment, and the corrosion and scale inhibitor belongs to an environment-friendly product.
Owner:CHENGDU QIDA WATER TREATMENT ENG

Antifouling paint composition and antifouling paint film

Provided is an antifouling coating composition comprising a silicon atom-containing resin. The silicon atom-containing resin includes a constituent unit (A) derived from a monomer (a) having at least one kind of silicon atom-containing group selected from the group consisting of a group represented by a formula (I), a group represented by a formula (II), a group represented by a formula (III), and a group represented by a formula (IV); and a constituent unit (B) derived from a monomer (b) which is a polyfunctional (meth)acrylic acid ester having two or more (meth)acryloyl groups.
Owner:NIPPON PAINT MARINE COATINGS CO LTD

A phosphorus-free water dispersant and its preparation method

The invention provides a phosphorus-free water dispersant and a preparation method thereof, wherein the phosphorus-free water dispersant is mainly prepared from the following raw materials: by weight, 15-20 parts of maleic acid-acrylic acid copolymer, 10-15 parts of polyepoxysuccinic acid, 15-25 parts of acrylic acid-acrylate-sulfonate copolymer, 10-15 parts of hydrolyzed polymaleic anhydride, and 8-12 parts of sodium lignin sulfonate, and an appropriate amount of water. The phosphorus-free water dispersant of the invention has good effect, good stability, certain chlorine resistance and antioxidant properties, and can effectively prevent the serious scaling problem of coal gasification ash water.
Owner:XINJIANG DELAND

Method for purifying (METH)acrylic acid monomer and / or (METH)acrylic acid ester monomer

According to one embodiment, provided is a method for purifying a (meth)acrylic acid monomer and / or a (meth)acrylic acid ester monomer, comprising purifying a composition containing a (meth)acrylic acid monomer and / or a (meth)acrylic acid ester monomer by distillation, wherein from the beginning to the end of the distillation, oxygen is supplied, so that the molar ratio of oxygen to vapor derived from the (meth)acrylic acid monomer and / or the (meth)acrylic acid ester monomer in gas phase components in a distillation still is maintained at 1.50 x 10-3 or more.
Owner:MITSUBISHI GAS CHEM CO INC

High-stability graphene water-based dispersion liquid and heat-conducting coating containing dispersion liquid

The invention relates to the technical field of coatings, in particular to a high-stability graphene water-based dispersion liquid and a heat-conducting coating containing the dispersion liquid. The dispersion liquid is prepared by performing multi-stage grinding on a mixed surfactant, a defoaming agent, graphene powder and deionized water, wherein the mixed surfactant is prepared from sodium carboxymethyl cellulose, polyvinyl alcohol and an acrylic acid-acrylate-sulfonate terpolymer according to a ratio of 1: 1: 1; on the basis, an in-situ polymerization and semi-continuous seed emulsion polymerization process is adopted, a dispersion liquid and an acrylate monomer are copolymerized to prepare a modified emulsion, and then the modified emulsion and nano boron nitride premixed slurry are compounded to form the heat-conducting coating. According to the invention, the problems of poor dispersion stability, high interface thermal resistance and the like of graphene in a polymer matrix are effectively solved, and the prepared heat-conducting coating has excellent heat-conducting property, interface bonding strength and process stability, and is suitable for heat management fields such as heat dissipation of electronic devices and the like.
Owner:JIANGSU DAOPENG TECH CO LTD

Aqueous binder for lithium batteries and method for its preparation

The application relates to the field of lithium battery materials, and more particularly to a water-based binder for a lithium battery and a preparation method thereof. The water-based binder for the lithium battery comprises, in mass parts, at least: 55-75 parts of acrylic acid / acrylate, 15-25 parts of acrylonitrile, 3-8 parts of a crosslinking monomer, 2-4 parts of a reaction aid, and 80-120 parts of deionized water. The water-based binder prepared by the application can not only replace existing PVDF-based binder products, but also balance the performance contradictions of existing water-based binders, and can meet the requirements of good electrochemical stability and mechanical properties, has better cycle performance and low impedance, and can meet the various performance requirements of existing lithium battery materials.
Owner:英德市捷成化工有限公司