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84results about How to "Excellent low temperature curing" patented technology
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Polyurethane resin mortar for cement base material repairing
The invention relates to a polyurethane resin mortar composition for cement base material repairing, which comprises raw materials A, B and C, wherein the raw material A comprises the following materials in parts by weight: 100 parts of polyalcohol, 5-60 parts of plasticizer, 0.01-3 parts of catalyst, 0-2 parts of defoaming agent, 0-30 parts of chain extender or crosslinking agent, 0-3 parts of coupling agent and 0-10 parts of stabilizer; the raw material B is isocyanate or prepolymer thereof; the raw material C is solid filler; and the mass ratio of the three raw materials A, B and C is 10:(1-30):(10-200). The composition is used as the repairing material for concrete structures of ballastless tracks and cement asphalt mortar, and has the advantages of high curing speed, good low-temperature curing property, high ductility and the like.
Owner:BEIJING TIEKE SPECIAL ENG TECH CO LTD +2
Nitrile resin monomer, nitrile resin polymer and preparation method of nitrile resin monomer and nitrile resin polymer
InactiveCN102976972ALow viscosityReduce liquidityCarboxylic acid nitrile preparationOrganic compound preparationPolymer scienceResin matrix
The invention discloses a nitrile resin monomer, a nitrile resin polymer and a preparation method of the nitrile resin monomer and the nitrile resin polymer, belonging to the technical field of organic polymer materials. The nitrile resin monomer is a tetraphthalonitrile resin monomer containing benzoxazine cycle, and the nitrile resin polymer is a product obtained by heating polymerization of the nitrile resin monomer. The nitrile resin monomer has a low viscosity, a good mobility and the processing performances of low-temperature curing and the like at a low temperature. The nitrile resin polymer has the good curing performances of self-flame resistance, adhesion, heat stability and the like. The resin monomer has the good processing performances of benzoxazine resins, and the resin polymer has the high-temperature resistance of nitrile resins, thus reducing the curing processing temperature and being capable of being used in a high-temperature temperature, namely, having the advantages of low temperature processing, medium temperature formation and high temperature use; and the resin monomer and the resin polymer can be used in the fields of coatings, adhesives, electronic packaging materials, aeronautics, astronautics, ships, resin matrix composites and the like. The preparation method is simple and easy to control, low in reaction temperature, energy-saving, and suitable for industrialized production.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
Preparation method of cardanol-based high temperature-resistant epoxy resin curing agent
The invention relates to a preparation method of a cardanol-based high temperature-resistant epoxy resin curing agent. The preparation method comprises the steps of firstly weighing cardanol, a phenolic compound, paraformaldehyde and diamine or polyamine according to weight, adding the cardanol, the phenolic compound and the paraformaldehyde into a reaction container, adding a catalyst, heating at the temperature of 75-100 DEG C for 2-6h to obtain an intermediate, then cooling the intermediate to 60-68 DEG C, adding the diamine or the polyamine, adding the remaining paraformaldehyde at the temperature in a stirring state, then heating till the temperature achieves 65-95 DEG C, reacting for 4-8h, and dehydrating in a vacuum state to obtain the cardanol-based high temperature-resistant epoxy resin curing agent provided by the invention. The synthesized curing agent has the advantages of great surface hardness and Shore hardness, excellent gloss, good high temperature resistance and low-temperature fast curing. According to the preparation method disclosed by the invention, the epoxy resin curing agent with a wide range of curing temperature, high temperature resistance and excellent surface performance is obtained and is suitable for requirements of primer paint and finish paint.
Owner:上海美东生物材料股份有限公司
Humid rusted solvent-free graphene modified epoxy paint and preparation method thereof
ActiveCN106867363AGood self levelingUniform colorAnti-corrosive paintsEpoxy resin coatingsAdhesion forceSolvent free
The invention relates to humid rusted solvent-free graphene modified epoxy paint and a preparation method thereof. The paint is prepared from a material A and a material B, wherein the material A is colored paint; the material B is a curing agent; graphene-oxide nano-rods are added into the colored paint; in the aspect of selecting epoxy resin, two types of epoxy resin including solvent-free epoxy resin E-51 and organic zinc-enriched epoxy resin, which have complementary properties, are selected, so that the adhesion force and antirust effect of the paint and a substrate are enhanced; in the aspect of selecting the curing agent, two curing agents are adopted; a polyamide curing agent is added on the basis of a cashew nut shell oil modified phenolic aldehyde amine curing agent which is researched latest, so that the humid rusted solvent-free graphene modified epoxy paint is prepared.
Owner:邹亚静
Low-temperature cureable coating composition and article having cured coating thereof
InactiveCN104140733AMaintain alkali resistanceImprove adhesionCoatingsOrganometallic catalysisSilylene
A coating composition comprising a hydrolysable silyl-containing (meth)acrylic copolymer which is obtained from copolymerization of an alkyl (meth)acrylate with a silane compound having a long-chain alkylene linker between a hydrolysable functional group and a radically polymerizable unsaturated group, and an organometallic catalyst is low-temperature curable and isocyanate-free. Even though the silane content is increased for coating hardness, the composition maintains alkali resistance and has good adhesion and solvent resistance when applied onto substrates.
Owner:SHIN ETSU CHEM CO LTD
Coated sand for sand prevention in oil well and preparation method of coated sand
ActiveCN105542739AGood film formingImprove liquidityDrilling compositionLow temperature curingMethyl cellulose
The invention discloses coated sand for sand prevention in an oil well and a preparation method of coated sand. The coated sand comprises A-type coated sand and B-type coated sand and is characterized in that the A-type coated sand is obtained by wrapping quartz sand with organosilicon-modified epoxy resin, a ketimine curing agent and external isolating agent hydroxy methyl cellulose in sequence; B-type coated sand is obtained by wrapping the surface of the quartz sand with cycloaliphatic epoxide resin, an amine curing agent and external isolating agent hydroxy methyl cellulose in sequence. The coated sand disclosed by the invention comprises the A-type coated sand and B-type coated sand, and a co-synergistic effect is generated after the A-type coated sand and the B-type coated sand are mixed, so that the requirements for low-temperature curing and high-temperature mining are met simultaneously. The coated sand disclosed by the invention meets the actual application requirements, gives consideration to low-temperature curing (a minimum temperature of 40 DEG C) to form higher strength, simultaneously is good in permeability, can stably work in a high temperature-resistant environment (about 280 DEG C), is wide in research and development scope of application, can be suitable for not only heavy oil wells, but also middle and low-temperature oil wells and water wells and is lower in comprehensive cost.
Owner:济南蓝昆新材料科技有限公司
Imidazole compound-containing microcapsulated composition, curable composition using same, and masterbatch type curing agent
InactiveCN102414241AGood storage stabilityExcellent low temperature curingOrganic chemistryNon-macromolecular adhesive additivesEpoxyThiourea
Disclosed are a composition which exhibits excellent curability at low temperatures, high storage stability and high solvent stability when formed into a curing agent for epoxy resins, or the like; a curing agent for epoxy resins using the composition; and an epoxy resin composition. Specifically disclosed is an imidazole compound-containing microcapsulated composition which contains a core that contains an imidazole compound represented by formula (1) and a shell that contains an organic polymer and / or an inorganic compound and covers the surface of the core. (In the formula, R1, R2 and R3 each independently represents a hydrogen atom, a halogen group, an optionally substituted alkyl group having 1-20 carbon atoms, an optionally substituted aromatic group, an optionally substituted alkoxy group having 1-20 carbon atoms or an optionally substituted phenoxy group; Q represents an optionally substituted divalent hydrocarbon having 1-20 carbon atoms; m represents an integer of 1-100; Z represents an organic group having a valence of m; and Y represents a urea bond, a thiourea bond, an amide bond or a thioamide bond represented by formula (G).)
Owner:ASAHI KASEI E-MATERIALS CORPORATION
Adhesive composition, film-like adhesive, adhesive sheet, connection structure and method for producing connection structure
ActiveCN103160238AStable storage stabilityGood storage stabilityPrinted circuit assemblingNon-macromolecular adhesive additivesCarbon numberAryl
The invention relates to an adhesive composition, a film-like adhesive, an adhesive sheet, a connection structure and a method for producing the connection structure. The adhesive composition comprises (a) thermoplastic resin, (b) radical polymerized compound, (c) radical polymerized initiator, and (d) salt containing boron. The (d) salt containing boron is a compound expressed by the following formula (A), in the formula (A): R1, R2, R3 and R4 represent hydrogen atoms, 1 to 18alkyl groups or aryl groups of carbon numbers respectively, and X+ represents a cation containing phosphonium atoms or nitrogen atoms.
Owner:RESONAC CORP
Adhesive composition, film-like adhesive, adhesive sheet and connection structure
ActiveCN103160237AHigh bonding strengthFirmly connectedPrinted circuit assemblingSemiconductor/solid-state device detailsArylAdhesive
The invention relates to an adhesive composition, a film-like adhesive, an adhesive sheet and a connection structure, wherein the adhesive composition contains: (a) a thermoplastic resin, (b) a radical polymerized compound, (c) a radical polymerization initiator, and (d) a boron-containing complex. Wherein, the (d) complex is a compound represented by the following general formula (A), and in the formula (A), R1, R2 and R3 each independently represents an aryl group with or without a substituent, and X represents amine compound with nitrogen-atoms or a phosphorus compound with phosphorus atoms.
Owner:株式会社力森诺科
Water-based coating composition and process for formation of coating film
ActiveCN102770499AExcellent low temperature curingImprove corrosion resistanceLiquid surface applicatorsAnti-corrosive paintsSolid matterCoating
Provided is a water-based coating composition which exhibits excellent low-temperature curability and which can form a coating film with excellent adhesion to a substrate. A water-based coating composition which comprises (A) an aqueous epoxy-derived polyamine resin that has one or more primary and / or secondary amino groups in the molecule, (B) a compound that has one or more (meth)acryloyl groups in the molecule, and (C) an alkoxysilane compound, wherein the equivalent ratio of (meth)acryloyl of the compound (B) to amino of the resin (A) [(meth)acryloyl / amino] is 0.7 to 2.5, and the content of the alkoxysilane compound (C) is 0.2 to 5% by mass relative to the solid matter of the water-based coating composition.
Owner:NIPPON PAINT CO LTD +1
Novel block polyisocyanate and urethane composition containing the same
ActiveCN101896528AExcellent low temperature curingGood weather resistancePolyurea/polyurethane coatingsCarbamatePolyol
Disclosed is a block polyisocyanate obtained by blocking at least a part of isocyanate groups of a polyisocyanate, which is derived from an aliphatic diisocyanate and a polyol and satisfies all of the conditions (1)-(5) shown below, with a pyrazole compound. (1) Average number of isocyanate groups: 3.0-20 (2) Diisocyanate monomer trimer concentration: 10-50% by mass (3) Isocyanate group concentration: 5-22% by mass (4) Polyol content concentration: 5-40% by mass (5) Diisocyanate monomer concentration: 3% by mass or less.
Owner:ASAHI KASEI KK
Polyester resin capable of rapidly cured at low temperature and preparation method thereof
InactiveCN109503820AIncrease the degree of branchingHigh activityPowdery paintsPolyester coatingsPolyolLow temperature curing
The invention provides polyester resin capable of rapidly cured at low temperature and a preparation method thereof. The polyester resin is prepared from the following raw materials in parts by weight: 6.5-9.5 parts of polyalcohol, 13.5-14.5 parts of acid, 0.015-0.025 part of an esterification catalyst and 0.2-0.3 part of a curing accelerant. Compared with the prior art, according to the polyesterresin capable of rapidly cured at low temperature, high-activity monomers are combined, so that the finally prepared polyester resin is high in activity; softening point of the polyester resin is slightly reduced; a powder paint prepared by the polyester resin can be fully cured in short time under the low-temperature condition; the energy consumption is greatly reduced; in addition, good low-temperature leveling property and storage stability of the powder paint can also be ensured; meanwhile, the powder paint has excellent curing property and film formation property.
Owner:ANHUI HENGMING MOLD TECH
Photosensitive alkali-soluble silicone resin composition
InactiveCN103765313AEfficient preparationHigh transparencyPhotomechanical apparatusSemiconductor/solid-state device manufacturingAcid valueDicarboxylic acid
The present invention relates to a photosensitive alkali-soluble silicone resin composition comprising an alkali-soluble silicone resin (A) which comprises a carboxyl group or a dicarboxylic acid anhydride group in one molecule; an alkali-soluble resin (B) whose acid value is between 10 mgKOH / g and 200 mgKOH / g; and a photoinitiator (C). The (A) or (B) ingredient may comprise a photosensitive unsaturated double bond group, or the photosensitive alkali-soluble silicone resin composition may further comprise a compound (D) which comprises a photosensitive unsaturated double bond.
Owner:ASAHI KASEI KK
Thermosetting Resin Composition
InactiveUS20100130697A1Excellent low temperature curingLower curabilityOrganic chemistryMolybdeum compoundsArylHydrogen atom
Disclosed is a thermosetting resin composition of excellent low-temperature curability comprising an oxetane compound and also disclosed is a cured article obtained therefrom. The thermosetting resin composition comprises an oxetane compound (A) containing two or more oxetane functional groups in the molecule represented by the following general formula (1) and a heteropolyacid (B) as essential components. A cured article obtained by heat curing of this composition shows excellent mechanical properties, electrical properties, adhesive properties, resustance to heat, moisture, and chemicals, and the like. In formula (1), R1 is a hydrogen atom, alkyl group of 1 to 6 carbon atoms, fluorine atom, fluoroalkyl group of 1 to 6 carbon atoms, allyl group, aryl group, aralkyl group, furyl group, or thienyl group.
Owner:NIPPON STEEL CHEMICAL CO LTD
Aqueous coating composition
ActiveCN102165027AExcellent low temperature curingExcellent film performanceAnti-corrosive paintsEmulsion paintsChemistryWater soluble
An aqueous coating composition having excellent low-temperature curability. The aqueous coating composition contains a water-soluble or water-dispersed polyamine resin (A) having one or more first amine groups and / or second amine groups in each molecule, and a compound (B) having one or more (meth)acryloyl groups in each molecule. The polyamide resin (A) has an amine equivalent weight of 100-3000, and the compound (B) has a viscosity at 25 DEG C of not more than 3000 mPas.
Owner:NIPPON PAINT CO LTD
Steam-displacement ultrahigh-temperature channeling sealing agent, and preparation method and application thereof
The invention provides a steam-displacement ultrahigh-temperature channeling sealing agent, and a preparation method and application thereof. The steam-displacement ultrahigh-temperature channeling sealing agent comprises the following components in percentage by weight: 1-4% of melamine substance, 0.5-5% of aldehyde and / or urotropine, 0.5-2% of 2-acrylamido-methylpropylsulfonic acid, 0.05-0.2% of plasticizer, 0.05-0.2% of persulfate and the balance of water. The steam-displacement ultrahigh-temperature channeling sealing agent has the characteristics of favorable pumpability, favorable temperature resistance, long-term effectiveness, simple preparation process, low cost and the like, has the advantages of adjustable gelling time and high sealing, plugging capacity and wide oil reservoir variety applicability, can not easily pollute the stratum, can enter the deep stratum, and effectively solves the production problems of nonuniform steam suction cross section, steam channeling among wells and the like in the steam-displacement oil reservoir.
Owner:PETROCHINA CO LTD
Novel block polyisocyanate and urethane composition containing the same
ActiveUS20100256324A1Excellent low-temperature curabilityExcellent appearancePolyurea/polyurethane coatingsPolymer chemistryIsocyanate compound
Disclosed is a block polyisocyanate obtained by blocking at least a part of isocyanate groups of a polyisocyanate, which is derived from an aliphatic diisocyanate and a polyol and satisfies all of the conditions (1)-(5) shown below, with a pyrazole compound. (1) Average number of isocyanate groups: 3.0-20 (2) Diisocyanate monomer trimer concentration: 10-50% by mass (3) Isocyanate group concentration: 5-22% by mass (4) Polyol content concentration: 5-40% by mass (5) Diisocyanate monomer concentration: 3% by mass or less.
Owner:ASAHI KASEI CHEM CORP
Tough self-repair metal anti-corrosion paint and preparation method thereof
InactiveCN104178023AImprove efficiencyEasy to dryAnti-corrosive paintsEpoxy resin coatingsCoated surfaceSilanes
The invention relates to a tough self-repair metal anti-corrosion paint and a preparation method thereof. The tough self-repair metal anti-corrosion paint comprises an alkyl silane ester, zinc powder, additives, auxiliaries and the like and is prepared by mixing according to a certain weight percentage and uniformly mixing double components. The tough self-repair metal anti-corrosion paint provided by the invention can be used as a steel high-performance anti-rust paint, is suitable for production by an assembly line, has the advantages of fast dryness, high efficiency, low cost, good welding and cutting performances, excellent impact resistance and wear resistance, excellent low-temperature curing performance and solvent resistance, relatively good flexibility and adhesion and relatively good anti-corrosion effect and can be matched with most of paint systems. More importantly, a metal anti-corrosion primer provided by the invention can not only meet green and environment-friendly requirements, but also realize a smart tough self-repair anti-corrosion paint; after a coating is damaged, part of silicon-oxygen-silicon chemical bonds can be opened by resin, the damaged coating surface can be repaired by self-migration and self-assembly effects of silicon-oxygen-silicon and the anti-corrosion effect can be further continuously maintained.
Owner:ZHOUSHAN HENGTAI PAINT IND
Aqueous paint composition and uses thereof
InactiveUS7163981B2Excellent low temperature curingSuitable texturabilityLiquid surface applicatorsPolyureas/polyurethane adhesivesSolid componentAcrylic resin
Owner:TOYOTA TECHN CENT USA +2
Thiourea modified cardanol aldehydeamine epoxy curing agent and preparation method thereof
The invention discloses a thiourea-modified cardanol phenolic amine epoxy curing agent, which is prepared from thiourea, fatty amine, cardanol and formaldehyde. The present invention screens through a large number of experiments to obtain the best raw material composition and proportion and its optimal preparation process. The present invention firstly modifies the fatty amine through thiourea, and then reacts with cardanol and formaldehyde to generate the cardanol phenolic alkamine curing agent. Due to the presence of long-chain hydrocarbon groups in the molecular structure of cardanol, it can not only improve the flexibility of the cured coating film, but also significantly reduce the viscosity of the curing agent. Due to the introduction of thiourea into the molecule, the low-temperature curing performance of cardanol phenalkamine is significantly improved. improvement. The experimental results show that the cashew phenalkamine curing agent prepared by the preferred raw materials in the present invention is a low viscosity, low toxicity, and excellent curing agent at low temperature. Compared with the prior art, it has achieved very good unexpected technical effects .
Owner:江苏三木化工股份有限公司 +1
Blocked polyisocyanate-containing curable silicone composition and textile treatment using the same
ActiveUS9777105B2Good softness and water absorbencyImprove washabilityGrip property fibresCoatingsTextile fiberPolymer science
A blocked polyisocyanate-containing curable silicone composition includes an amino group-containing organopolysiloxane, a blocked polyisocyanate and a catalyst which is an organic base compound and / or a metal compound. The composition has a high curability even under low-temperature conditions and, when used as a textile treatment, imparts textile fibers and products with good softness and water absorbency, and also has an excellent durability to washing.
Owner:SHIN ETSU CHEM IND CO LTD
Environment-friendly epoxy floor paint and preparation method thereof
InactiveCN108342144AStrong adhesionCuring shrinkage is smallAnti-corrosive paintsCoatingRaw material
The invention particularly relates to the field of coatings, and particularly relates to environment-friendly epoxy floor paint and a preparation method thereof. The invention provides the environment-friendly epoxy floor paint. The environment-friendly epoxy floor paint is prepared from preparation raw materials which at least comprise a first component and a second component, wherein the weightratio of the first component to the second component is 20 to (1 to 5).
Owner:青岛舜捷通生物科技有限公司
Low-temperature curing epoxy anticorrosive powder coating and preparation method thereof
InactiveCN113861806AExcellent low temperature curingImprove anti-corrosion performanceAnti-corrosive paintsPowdery paintsLow temperature curingFirming agent
The invention discloses a low-temperature curing epoxy anticorrosive powder coating and a preparation method thereof. The coating consists of the following components in parts by weight: 50-55 parts of phenolic modified epoxy resin, 12-18 parts of bisphenol A epoxy resin, 13-19 parts of a low-temperature curing agent, 2-6 parts of a leveling agent, 1-4 parts of an accelerant, 3-5 parts of a dispersant, 1-2 parts of a preservative, 8-12 parts of nano titanium dioxide, and 10-14 parts of graphene nanosheets. The coating disclosed by the invention has good low-temperature curing performance, corrosion resistance and mechanical property.
Owner:浙江双金粉末涂料有限公司
Negative-type photosensitive resin composition, photocuring pattern formed by using the same and image display device
ActiveCN105867069AExcellent low temperature curingExcellent adhesionPhotomechanical apparatusNegative typeDisplay device
The present invention relates to a negative-type photosensitive resin composition cured at a low temperature, and having excellent adhesion with a substrate and chemical resistance, a photocuring pattern formed by using the same and an image display device comprising the pattern.
Owner:DONGWOO FINE CHEM CO LTD
Photoelectric conversion element using thermosetting sealing agent for photoelectric conversion element
InactiveCN102906934AReduce pollutionExcellent coating processabilityElectrolytic capacitorsSolid-state devicesEpoxyEngineering
Disclosed is a photoelectric conversion element which comprises: a first conductive supporting body that has a semiconductor-containing layer; a second conductive supporting body that has a counter electrode which is arranged at a position where the counter electrode faces the semiconductor-containing layer at a predetermined distance; a charge transfer layer that is held in a space between the first and second conductive supporting bodies; and a sealing agent that is provided in the peripheral portions of the first and second conductive supporting bodies so as to seal the charge transfer layer. The photoelectric conversion element is characterized in that the sealing agent is a thermosetting sealing agent for a photoelectric conversion element, said thermosetting sealing agent containing (a) an epoxy resin and (b) at least one heat curing agent that is selected from the group consisting of aromatic hydrazides and aliphatic hydrazides having 6 or more carbon atoms.
Owner:NIPPON KAYAKU CO LTD
Unsaturated group-containing ester compound, polymer, thermosetting resin composition, and cured film
ActiveCN111164114AExcellent curing reactivityExcellent low temperature curingOrganic chemistryCoatingsPolymer scienceCarbamate
The purpose of the present invention is to provide an unsaturated group-containing ester compound which is economical, is of a good curing type, and can be used as the raw material of a curable composition obtained from a transesterification reaction, and to provide a polymer using said compound as the raw material, a thermosetting resin composition, and a curable composition. This unsaturated group-containing ester compound is characterized by having the chemical structure represented by general formula (1). n1: 1-10.(In the expression, R1, R2 and R3 are the same or different, and represent ahydrogen, an alkyl group, a carboxyl group, an alkyl ester group or a structure represented by R4-[COOR5]. R4 is an aliphatic, alicyclic or aromatic alkylene group with 50 or fewer atoms in the mainchain, optionally having in the main chain one or more functional groups selected from an ester group, an ether group, an amide group and urethane, and optionally having a sidechain. R5 is an alkyl group with 50 or fewer carbons. In the compound represented in general formula (1), the R4-[COOR5] group is optionally the lactone structure of general expression (1-1).) Rx is an alkylene group of 2-10carbons optionally having a branch chain.
Owner:KYOEISHA CHEM CO LTD
Multifunctional epoxy corrosion-resistant coating
InactiveCN105925147AGood storage stabilityImprove work efficiencyAnti-corrosive paintsEpoxy resin coatingsEpoxySalt resistance
The invention discloses a multifunctional epoxy corrosion-resistant coating which is prepared by mixing epoxy resin, a solvent, a pigment filler, a curing agent, an aid and other components. The multifunctional epoxy anticorrosive coating has the benefits that the bottom and surface combination is realized, so that the working efficiency is improved; low surface treatment is performed, so that the pretreatment intensity is reduced, and particularly, the unique advantages are realized at some parts inconvenient to treat and engineering and under the environment with larger humidity; the coating is good in storage stability, high in one-time coating film thickness and good in sag resistance; the low-temperature curability is good, so that low-temperature (10 DEG C below zero) curing is realized; the long-term corrosion resistance and the salt fog resistance are equivalent to those of a epoxy zinc rich primer; meanwhile, the defects of poor zinc rich coating compactness and zinc layer acid and alkali resistance are overcome, and the duration of the resistance to acid, alkali and salt with a respective concentration of 5 percent can reach above one month.
Owner:欧振云
Screen printing conductive adhesive with excellent scratch resistance
ActiveCN103224761AGood screen printabilityExcellent low temperature curingElectrically-conductive paintsPolyester coatingsCapacitancePolymer science
The invention relates to a screen printing conductive adhesive with excellent scratch resistance. The conductive adhesive is composed of 46.6-66.2wt% of flake-shaped silver powder, 7.4-15.5wt% of polyester resin, 22-40wt% of a high-boiling-point solvent, 1.7-2.2wt% of a scratch-resistant auxiliary agent, and 1.1-2.2wt% of an anti-settling agent. The conductive adhesive provided by the invention has good screen printing performance and low-temperature curability. The conductive adhesive has excellent adhesion force and excellent conductivity to ITO glass substrate, ITO polyester film, and the like. The volume resistivity of the adhesive is smaller than 0.5*10<-6>ohm.m, and a square resistance is smaller than 30mohm / square. The conductive adhesive provided by the invention can be widely applied in packaging of electronic elements and assemblies such as light-emitting diode (LED), liquid crystal display (LCD), printed circuit board (PCB), flexible printed circuit (FPC), membrane switches, smart cards, lattice blocks, ceramic capacitors, and the like.
Owner:苏州毫邦新材料有限公司
Unsaturated group-containing ester compound, polymer, thermosetting resin composition, and cured film
ActiveUS20190284385A1High curing reactivityExcellent low temperature curingOrganic chemistryCoatingsChemical structureHydrogen
It is an object of the present invention to provide an unsaturated group-containing ester compound which can be used as a raw material of a curable composition using transesterification reaction and which is inexpensive and has a good curability, and a polymer, a thermosetting resin composition, and a curable composition which containing the unsaturated group-containing ester compound, respectively.An unsaturated group-containing ester compound having a chemical structure represented by the following general formula (1):n1: 1 to 10(in the formula, R1, R2, and R3 are the same or different and each is a hydrogen, an alkyl group, a carboxyl group, an alkyl ester group or a structure represented by R4-[COOR5]n1;R4 is an aliphatic, an alicyclic or an aromatic alkylene group with a number of atoms of 50 or less in the main chain, which may have one or more functional groups selected from the group consisting of an ester group, an ether group, an amide group, and a urethane and may have a side chain;R5 is an alkyl group having 50 or less carbon atoms; and in the compound represented by the general formula (1), the R4-[COOR5] group may be a lactone structure represented by the following general formula (1-1).)(Rx is a hydrocarbon group having 2 to 10 carbon atoms which may have a branched chain.)
Owner:KYOEISHA CHEM CO LTD
Preparation of intercalation material and application of intercalation material to water-based anticorrosive paint used in polar regions
InactiveCN110627097AImprove anti-corrosion performanceExcellent low temperature curingMaterial nanotechnologyAluminium compoundsEpoxyWater based
The invention discloses a preparation method of an intercalation material with the dual effects of controllable corrosion inhibition and low-temperature catalysis. The intercalation material is applied to a paint, so a high-performance water-based anticorrosive paint used in a polar region and other low-temperature environments is researched and developed. A paint system comprises a component A and a component B, wherein the component A is a mixture using low-temperature-resistant epoxy resin as a matrix and formed by compounding the matrix with high-performance anticorrosive pigment and filler, and the component B is a modified amine curing agent. A coating formed by the paint has good long-term low temperature resistance and corrosion resistance, and is suitable for protection and decoration of ships and equipment used in polar regions.
Owner:MARINE CHEM RES INST
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