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64results about How to "Excellent bonding durability" patented technology

Cement-based adhesive

The invention discloses a cement-based adhesive which consists of an inorganic gel, elasticity modulus filler, sand and a dry-mixed mortar additive, wherein the mass percentages of the various components in the adhesive are as follows: 35-45% of inorganic gel, 15-30% of elasticity modulus filler, 17-47% of sand, 3-8% of dry-mixed mortar additive and the balance of water. The cement-based adhesive disclosed by the invention has the following beneficial effects that by adding the low elasticity modulus filler which has the advantages of good elasticity, shock-proofing, sound insulation and the like, the cement-based adhesive has the characteristics of shock absorbing, noise reduction and the like, so that a problem of noise generated from the collision of ceramic tiles in a public place is relieved; in addition, the cement-based adhesive provided by the invention also solves the problems of low compressive strength, low bonding strength and the like of the adhesive after the low-modulus filler is added; shearing strength on the interfaces of the ceramic tiles caused by heat expansion and cold contraction is reduced and the bonding durability of the ceramic tiles on the basis of shock absorbing and noise reduction is improved; therefore, the cement-based adhesive is quite high in promotional value.
Owner:北京天维宝辰化学产品有限公司

Adhesive sheet, upper electrode for touch panel, and image display device

Disclosed is an adhesive sheet wherein at least a polyester base film (A), a crosslinked silicone rubber adhesive layer (B) having a polydimethylsiloxane skeleton, a releasing layer (C) and a polyester film (D) are laminated in this order through or not through another layer. This adhesive sheet is characterized in that when the hot water adhesion resistance is evaluated by the method defined in the description, the silicone rubber adhesive layer (B) is not separated from the polyester base film (A), and the peel strength between the silicone rubber adhesive layer (B) and the releasing layer (C) is within the range of 0.03-1.0 N / 20 mm.
Owner:MAXELL HLDG LTD +1

Dental adhesive compositions and methods

Two-part and one-part self-etching dental adhesives containing polymerizable acidic monomers. Methods include one-coat application without need for tooth etching.
Owner:SANG JUNJIE +2

One-Component Aqueous Dispersion Adhesive

The invention relates to one-component aqueous dispersion adhesives containing at least one copolymer A of monomers ethylene, vinyl acetate and, optionally, at least one (meth)acrylate and either at least one polyurethane with carboxyl groups and carbodiimide groups PUR-COOH-CDI or a mixture of a polyurethane with carboxyl groups PUR-000H and with a carbodiimide CDI. These dispersion adhesives are particularly well-suited for use as laminating adhesives and sealing adhesives. The invention also relates to the precoating of flat materials with a one-component aqueous dispersion adhesive.
Owner:LINNENBRINK MARTIN +2

Room-temperature vulcanization dual-component deketoxime type silicone rubber sealant and preparation method thereof

The invention relates to a room-temperature vulcanization dual-component deketoxime type silicone rubber sealant and a preparation method thereof. In the sealant, a component A is used for absorbing moisture and curing, a component B can be used for accelerating curing, and the component A and the component B are uniformly mixed according to a certain proportion for quickly curing when the sealant is used. The initial strength of the sealant is increased quickly, so that the production rhythm can be remarkably improved; and the requirement on the proportional accuracy of the component A and the component B is greatly reduced compared with a conventional dual-component silicone rubber sealant. Furthermore, a coupling agent with a special structure is adopted in the prescription, so that the sealant has excellent plastic bonding capability and high-temperature high-humidity resistance, and can be widely applied to bonding and sealing in electronics, automobiles, home appliances and other industries.
Owner:TONSAN ADHESIVES INC

Electrode wire material and solar cell having connection lead wire formed of the wire material

An electrode wire material that can be used in a solar cell is produced without using flattening rolls or endless belts and has excellent solderability. The electrode wire material includes a core material formed of a strip-like conductive material and a hot-dip solder plated layer formed on a surface of the core material. A recessed portion for storing molten solder is formed in the core material along the longitudinal direction and the hot-dip solder plated layer is filled in the recessed portion. The recessed portion for storing molten solder preferably has an opening width in the lateral direction of the core material of about 90% or more of the width of the core material. The core material is preferably formed of a clad material including an interlayer of a low thermal expansion Fe alloy and copper layers formed on both surfaces of the interlayer.
Owner:NEOMAX MATERIALS

Curable resin composition

Provided is a curable resin composition exhibiting high adhesion durability. The curable resin composition contains: a (meth)acrylate oligomer (A) selected from the group consisting of urethane-based (meth)acrylate oligomers, polyester-based (meth)acrylate oligomers, polyether-based (meth)acrylate oligomers, epoxy-based (meth)acrylate oligomers, diene polymer-based (meth)acrylate oligomers, and oligomers having a backbone of the hydrogenated product of a diene polymer-based (meth)acrylate; a (meth)acrylate (B) exhibiting a homopolymer glass transition temperature of -100 DEG C to 60 DEG C; one or more compounds (C) having one mercapto group per molecule, the compound(s) being selected from the group consisting of alkanethiols and carboxythiols; and a photopolymerization initiator (D).
Owner:DENKA CO LTD

Silicon dioxide aerogel mortar and preparation method thereof

The invention provides a silicon dioxide aerogel mortar and a preparation method thereof, belongs to the technical field of mortar preparation, and mainly relates to mortar and a preparation method thereof, which aim at solving the problem of failure to meet current actual requirements of mortar property in the prior art. The silicon dioxide aerogel mortar is prepared from the following components in parts by weight: 100 parts of cement, 300 parts of sand, 0.08 to 0.5 part of defoaming agent, 10 to 20 parts of silicon dioxide aerogel microsphere, 25 to 40 parts of ethyl acrylate emulsion, 0.02 to 0.1 part of polymer powder, and 5 to 7 parts of water. The silicon dioxide aerogel mortar has the advantages that the sticking property of whole cement mortar is improved, the tension strength, rapture strength and sticking durability are greatly improved, the dry shrinkage is decreased, the cracking is reduced, and the anti-freezing property and anti-seepage property are improved.
Owner:XINHUASHENG ENERGY SAVING TECH CO LTD

Rubber crawler

InactiveCN102803371AStay scorchedKeep scorch timeOrganic chemistryEndless track vehiclesPolymer scienceHigh humidity
Provided is a highly durable rubber crawler using a rubber composition which contains a vulcanization accelerator having a moderate vulcanization-retarding effect and which does not contain any vulcanization retarder (such as CTP) causative of deterioration of physical properties of vulcanized rubber, blooming, or other problems. The rubber composition ensures good workability with the scorch of rubber minimized, and can achieve an improvement in the adhesiveness between rubber and a metal reinforcement such as steel cord, particularly in the adhesiveness therebetween after thermal aging or under high-humidity conditions. The rubber crawler is characterized by using, as the treat rubber, a rubber composition which contains, per 100 parts by weight of a rubber component, 0.1 to 10 parts by weight of a vulcanization accelerator based on a sulfenamide represented by general formula (I), 0.03 to 3 parts by weight (in terms of cobalt) of a cobalt-containing compound, and 0.3 to 10 parts by weight of sulfur.
Owner:BRIDGESTONE CORP

Temperature-resistant acid- and alkali-resistant organosilicone sealant and preparation method thereof

The invention relates to an organosilicone sealant and a preparation method thereof. The organosilicone sealant is made from, by weight, 100 parts of an alkoxy-terminated polydimethylsiloxane, 60-120parts of a surface-treated inert filler, 10-20 parts of PTFE (polytetrafluoroethylene) powder, 5-10 parts of fumed silica, 10-15 parts of a crosslinker, 0.05-0.5 part of a catalyst, and 2-4 parts of an adhesion promoter. The surface-treated inert filler is an inert filler subjected to surface treatment via methyl phenyl silicone resin; the inert filler is selected from at least one of quartz powder, mica powder and precipitated barium sulfate. The organosilicone sealant has high adhesive power and good elasticity, as well as excellent weatherability, can maintain durable adhesion in the long-term acidic and alkaline environment with a certain temperature, and is applicable to anticorrosion adhesion and sealing for chemical industrial equipment and pipelines.
Owner:GUANGZHOU BAIYUN CHEM IND

Durable cement concrete bridge deck pavement structure with noise reduction and water drainage functions

The invention discloses a durable cement concrete bridge deck pavement structure with noise reduction and water drainage functions. A high-performance cold-paved waterproof bonding layer is arranged on the upper surface of a treated concrete bridge deck, the high-performance cold-paved waterproof bonding layer is paved with durable high-modulus asphalt concrete, a waterproof layer is arranged on the upper surface of the durable high-modulus asphalt concrete, and the upper surface of the waterproof layer is paved with an anti-skidding noise reduction and water drainage wear thin layer. The modulus of the asphalt concrete is increased through the durable high-modulus asphalt mixture, deformation of the road surface structure under the effect of vehicle loads is relieved, high-temperature deformation resistance of the road surface is improved, and generation of ruts is delayed. The high-performance waterproof bonding layer material is adopted, attention is paid to treatment of the concrete bridge deck, and bonding durability of the waterproof layer, an asphalt pavement surface layer and a cement concrete board is improved. Noise of the road surface can be lowered to a certain degree through the anti-skidding noise reduction and water drainage wear thin layer, water accumulated on the road surface is eliminated, driving safety is improved, and good social benefits are achieved.
Owner:JSTI GRP CO LTD

Inorganic binding material for assembled prefabricated parts, and preparation method and application thereof

The invention provides an inorganic binding material for assembled prefabricated parts, and a preparation method and an application thereof. The inorganic binding material is prepared from a componentA and a component B, wherein the component A comprises, by weight, 50-100 parts of a magnesium compound, 15-35 parts of fly ash, 0.5-1.5 parts of a superplasticizer and 6-12 parts of a composite retarder; and the component B comprises, by weight, 15-30 parts of phosphate, 50-120 parts of quartz sands, 0.5-5 parts of fibers, 1-3 parts of a waterproofing agent and 3-6 parts of a pH stabilizer. Theinorganic binding material for assembled prefabricated parts has the advantages of adjustable solidification time, high bonding strength, high tensile strength, good bonding durability, low shrinkage,good weather resistance, good high temperature resistance, low cost and environmental friendliness.
Owner:山东塔罗斯智能装备有限公司

Aluminium alloy plate, bonded body using the same and vehicular member

An aluminum alloy plate, a bonded body using the same and a vehicular member are provided. Even if the aluminum alloy plate is in a high-temperature moist environment, a phenomenon of interface peeling at a jointing interface of an adhesive is difficult to occur, thereby improving adhesive durability and preventing the reduction of adhesive strength. The aluminum alloy plate (10) comprises an aluminum alloy base plate (1) and a surface oxide film (2) formed on a surface of the aluminum alloy base plate (1). The surface oxide film (2) includes 0.01-10 atomic% of zirconium and 0.1-10 atomic% of magnesium.
Owner:KOBE STEEL LTD

Aluminum material surface treatment method, surface treatment apparatus, and treated surface aluminum material

A coating is formed by coating a surface of an aluminum material with a treatment solution containing a 20-400 ppm total, calculated as titanium and calculated as zirconium, of a titanium fluoride compound and / or a zirconium fluoride compound so that the total of titanium and zirconium is 4-25 mg / m<2<, and drying.
Owner:KOBE STEEL LTD

Stabilizer bush

To provide a stabilizer bush capable of providing improved adhesion durability relative to a stabilizer bar. A bush main body having a circumferential part divided by a first virtual plane includes afirst portion that is extended over a predetermined circumferential distance from the first virtual plane, a second portion that is disposed opposite the first portion with the first virtual plane sandwiched in between and is extended over a predetermined circumferential distance from the first virtual plane, and a third portion that is a portion other than the first and second portions. The inside diameter of the inner peripheral surface in a second virtual plane that includes an axial center and is perpendicular to the first virtual plane is set to be greater than the inside diameter of theinner peripheral surface in the first virtual plane while the first portion is in contact with the second portion in a no-load state before bonding to the stabilizer bar.
Owner:TOYO TIRE & RUBBER CO LTD

Dental adhesive material kit

The present invention provides a dental adhesive material kit excellent in storage stability of the materials and exhibiting excellent bond durability to dentin by photopolymerization. The present invention is a dental adhesive material kit comprising a dental aqueous adhesive composition (A) and a dental curable composition (B), wherein: the dental aqueous adhesive composition (A) comprises a (meth)acrylic polymerizable monomer (a) containing an acid group, a vanadium compound (b), water (c), a (meth)acrylic polymerizable monomer (d) containing an amino group, and a polymerization inhibitor (i); the content of the polymerization inhibitor (i) is 25 to 1000 parts by weight per 100 parts by weight of the vanadium compound (b); and the dental curable composition (B) comprises a (meth)acrylic polymerizable monomer (e) containing no acid group, a hydroperoxide (f), a photopolymerization initiator (g), and a filler (h) and does not comprise a thiourea compound.
Owner:KURARAY NORITAKE DENTAL

Table frame assemblies

PendingCN111683564ASimplify the fixing structure and assembly workImprove bond durabilityTablesFurniture joiningFastenerStrong coupling
The present invention relates to a table frame assembly which supports an upper plate disposed on an upper part thereof to form a table and is formed by using a coupling part formed by combining a plurality of frame members with each other. More particularly, the present invention relates to a table frame assembly in which a first frame member and a second frame member, which are respectively formed as a tubular member, are fastened to a third frame member by means of a fastening member to form the coupling part, thereby being simply assembled and having strong coupling performance. To this end, the table frame assembly is characterized in that the coupling part comprises: an insertion reinforcing bracket which is inserted into the respective end portions of the first frame member and thesecond frame member and is fixed by a pin member so as to be formed to have a generally square U-shaped cross-sectional shape and fixed to the third frame member via the fastening member in a penetrating manner.
Owner:株式会社多飞仰设计

Aluminum alloy sheet, bonded object, and member for motor vehicle

An aluminum alloy substrate bears a first layer on at least one side thereof, and a second layer on at least part of the first layer. The first layer includes an oxide film containing Mg in a content of from 0.1 atomic percent to less than 30 atomic percent. The second layer contains siloxane bonds. The second layer is disposed in a mass of coating of from 0.1 mg / m2 to less than 30 mg / m2. Assume that parallel polarized light is applied to the side bearing the first layer and the second layer at an incident angle of 75°, and resulting data are analyzed by Fourier-transform infrared spectroscopy to give a spectrum. In the spectrum, a peak occurring adjacent to 1057 cm−1 has an area of 0.01 or more with respect to a base line drawn from 1026 cm−1 to 1084 cm−1.
Owner:KOBE STEEL LTD

Adhesive for fuel cell and membrane-electrode assembly produced using the same

An adhesive suitable for solid polymer fuel cells is provided that has sufficient bond durability, so that the solid polymer electrolyte membrane and the gas diffusion layer do not separate, even with the solid polymer electrolyte fuel cell repeatedly wetting and drying, and changing in dimension. An adhesive including a base compound, a cross-linking agent, an adhesion promoting agent, and a reaction catalyst is employed using a specific base compound having alkenyl groups, and a specific cross-linking agent having Si—H groups, in which the ratio of moles of the above Si—H group relative to moles of the above alkenyl group (moles of Si—H group / moles of alkenyl group) is adjusted to the range of 1.0 to 5.0.
Owner:HONDA MOTOR CO LTD

Two-part curable composition

The invention provides a two-part curable composition which has excellent curability and can exert flexibility and bonding durability. A two-part curable composition comprising a first preparation containing at least a 2-cyanoacrylate ester and a second preparation containing at least a polymer having a hydrolysable silyl group, wherein each of an elastomer and a curing catalyst for the polymer is contained in a specified amount in the first preparation and / or the second preparation. Preferred examples of the curing catalyst include a compound having a metal element and an organic group capable of binding to the metal element through an oxygen atom or an acid having a pKa value of 4 or less at 25 DEG C. It is preferred that a curing accelerator for the 2-cyanoacrylate ester is additionally contained in the first preparation and / or the second preparation.
Owner:TOAGOSEI CO LTD

Single-coating type metal and rubber heat vulcanization adhesive and preparation method thereof

The invention relates to the technical field of metal and rubber bonding adhesives, and provides a single-coating type metal and rubber heat vulcanization adhesive. The adhesive at least comprises thefollowing components in percentage by weight: 4-20% of liquid rubber, 5-20% of a Diels-Alder graft polymer, 1-5% of a hydroxyl aromatic compound, 1-5% of a formaldehyde source, 0.5-3% of a cross-linking agent, 0.5-3% of a vulcanizing agent, 0.5-5% of an acid acceptor, 1-10% of an inert pigment filler and the balance of a solvent. According to the adhesive, high-vinyl liquid polybutadiene rubber is compounded for use, so that the adhesive not only can endow a bonding layer with excellent peeling strength and crosslinking density, but also can be beneficial to enhancing the bonding durability of the bonding layer and still can keep very good stability under relatively harsh conditions.
Owner:SHANGHAI TONTEE NEW MATERIAL TECH

Adhesive composition

This invention provides an adhesive composition that is pliable and exhibits excellent adhesion durability. Said adhesive composition is characterized by containing (a) 100 mass parts of a 2-cyanoacrylate ester, (b) 5-200 mass parts of a polymer that has a hydrolyzable silyl group, (c) 5-50 mass parts of an elastomer, and (d) 0.0005-0.5 mass parts of an acid catalyst. Said adhesive composition preferably also contains (e) 0.001-5 mass parts of an onium salt.
Owner:TOAGOSEI CO LTD

Aluminum alloy material and bonded object, and automotive member

An Al—Mg—Si aluminum alloy material includes Sn. An oxide film formed on a surface of the aluminum alloy material is analyzed by a semi-quantitative analysis by X-ray photoelectron spectroscopy. A ratio of the number of Sn atoms to the number of Mg atoms in the oxide film is 0.001 to 3 on average. A ratio of the total number of atoms of Sn and Mg to the number of oxygen atoms is 0.001 to 0.2 on average.
Owner:KOBE STEEL LTD
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