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30results about How to "Improve compression resistance" patented technology

Microporous polyolefin film and process for producing the same

The microporous polyolefin film produced by drawing a gel molding containing a polyolefin and a solvent for film formation in at least a uniaxial direction, performing thermofixing treatment, removing the solvent for film formation and once more drawing the molding in at least a uniaxial direction has large pore diameter and excels in air permeability, mechanical strength and compression resistance.
Owner:TORAY IND INC

Pipe screw coupling

Disclosed is a pipe screw coupling that has increased sealing properties, compression resistance, and galling resistance. Specifically, the pin nose outer peripheral surface (30) forms a convex curve on the outside thereof in a cross section in the axial direction. Said convex curve has a curved shape wherein a compound-R curve (N) comprising a plurality of outwardly convex arcs that are connected in sequence and that have radii of curvature (R) that differ from each other at the generating line of a cylindrical section that is adjacent to a male screw section (5) is such that the radii of curvature (R) of the arcs increase with distance from the male screw section (5) and the line tangent to the connection point of an arc is the same as that of the arc connected to. The inner peripheral surface relative to the pin nose (30) of a box member (1) has a tapered surface (20) that interferes with the pin nose outer peripheral surface (30) when connecting with the pin member (3).
Owner:JFE STEEL CORP

High-performance priming and finishing combined paint with corrosion inhibition, pollution prevention and heavy corrosion protection functions

ActiveCN103045048AAvoid bottom, middleAvoid the problem of difficult topcoat matchingAntifouling/underwater paintsPaints with biocidesEpoxySolvent free
The invention discloses a high-performance priming and finishing combined paint with corrosion inhibition, pollution prevention and heavy corrosion protection functions. The paint comprises two components: a component A includes a curing agent, an adhesion promoter, a wetting dispersant, silicon dioxide, hollow glass beads, talcum powder, nano micro powder, an anti-settling agent, a curing accelerator and an environment-friendly solvent; and a component B includes solvent-free liquid epoxy resin, modified elastic epoxy resin, silica sand, a wetting dispersant, superfine precipitated barium sulfate, titanium dioxide, aluminum triphosphate, barium metaborate, nano micro powder, an anti-settling agent, multi-functional auxiliaries, a corrosion inhibitor, an anti-fouling agent, high-strength hollow glass beads and an environment-friendly solvent. By aid of reasonable allocation of the component concentration, the paint has excellent adhesive force, durability, abrasion resistance and impact resistance, and excellent salt water resistance, oil resistance, alkali resistance and a certain degree of acid resistance; and the solid content is high, and the construction is convenient.
Owner:江阴市天邦涂料股份有限公司

Bacterial cellulose/polypyrrole/polyurethane flexible multifunctional conductive composite material and preparation method thereof

The invention relates to a bacterial cellulose / polypyrrole / polyurethane flexible multifunctional conductive composite material and a preparation method thereof. The composite material is prepared by taking a bacterial cellulose material crosslinked by a silane coupling agent as a matrix material, and polypyrrole, coated polyurethane and a three-proofing finishing agent are grown in situ in sequence. When the obtained bacterial cellulose / polypyrrole / polyurethane porous composite material is used as an electric heating material to be used on clothes, the functions of electric heating, heat preservation, hydrophobicity and air permeability are achieved.
Owner:DONGHUA UNIV

EVA large hole composite foam material and preparation method

The invention discloses an EVA large hole composite foam material and a preparation method thereof. The composite foam material is prepared by mixing, granulation and foaming of materials, and the materials include: 40-60 mass parts of an ethylene-vinyl acetate copolymer, 10-20 mass parts of graphene modified isotactic polybutene, 10-15 mass parts of a polyolefin thermoplastic elastomer, 10-20 mass parts of a polyester elastomer, 0.4-0.8 mass part of an active agent, 0.7-1.5 mass parts of a cross-linking agent, 2.5-3.5 mass parts of a foaming agent and 0.1-0.3 mass part of an assistant. The mass content of vinyl acetate in the ethylene-vinyl acetate copolymer is 26%-40%. The preparation method of the EVA large hole composite foam material includes: weighing a certain amount of isotactic polybutene-1 for melting, adding 0.05%-0.2% by mass of graphene when the melting temperature of the isotactic polybutene-1 is 140-170DEG C, and mixing the two substances to obtain graphene modified isotactic polybutene. The large holes in the EVA large hole composite foam material has good foaming effect, the compression resistance and resilience are enhanced, and also the softness and wear resistance are also improved. The preparation method is simple and easy to operate.
Owner:ANTA CHINA

Heat insulation fireproof wallboard

ActiveCN106013594AImprove toughening effectImprovement and StrengthBuilding componentsFiber layerEngineering
The invention discloses a heat insulation fireproof wallboard which comprises a base layer, an inner fiber board layer attached to the base layer, a heat insulation layer attached to the inner fiber board layer, a vacuum layer attached to the heat insulation layer, a protective layer attached to the vacuum layer, an outer fiber layer attached to the protective layer, a waterproof layer attached to the outer fiber board, and a reflective layer attached to the waterproof layer. The heat insulation fireproof wallboard has the excellent fireproof performance, is extinguished right after being deviated from fire, and is high in toughness and strength and excellent in heat insulation effect.
Owner:ANHUI DEQUAN NEW BUILDING MATERIALS TECH CO LTD

Compression-resistant polyurethane foam and preparation method thereof

ActiveCN113292764ADoes not change the macrostructureEasy to compressPolyurea/polyurethane coatingsPolymer sciencePtru catalyst
The invention discloses compression-resistant polyurethane foam. The compression-resistant polyurethane foam comprises a component A and a component B, wherein the component A comprises polydihydric alcohol of which the molecular chain does not contain F, O and N elements, and expanded microspheres, a low-boiling-point foaming agent, a catalyst and a surfactant; the component B comprises diisocyanate, a chain extender, a cross-linking agent and polydihydric alcohol, wherein the diisocyanate is excessive; the component A and the component B are mixed and then coated on the surface of a high polymer material or metal material film, and the polyurethane foam is obtained after curing molding. The invention also discloses a preparation method of the compression-resistant polyurethane foam. The final polyurethane molecular blocks are arranged in order, and the polyurethane foam has a three-stage compression-damping structure at a microscopic level so that the polyurethane foam has good compression resistance, has long service time under a compression condition, and can better adapt to a service environment and protect devices.
Owner:HUBEI XIANGYUAN NEW MATERIAL TECH INC

Application of SEBS (styrene-ethylene-butylene-styrene) in sports equipment preparation process as foaming modifier

InactiveCN102532581AImprove compatibilityGood dynamic viscoelasticityDynamic viscoelasticityRetrievability
The invention discloses application of an SEBS (styrene-ethylene-butylene-styrene) in a sports equipment preparation process as a foaming modifier. After being modified with an SEBS foaming material, EVA (ethylene-vinyl acetate) has better dynamic viscoelastic property and meets the testing requirement of human engineering; and the properties of EVA are improved in the aspects of flexibility, compressibility resistance, limited slip resistance, elasticity, material stretchability and the like. The SEBS foaming material has the characteristics of good elasticity, plasticity absent in a thermosetting material and rim leftover retrievability.
Owner:吴水莲

Elastic fireproof wallboard

The invention discloses an elastic fireproof wallboard which comprises a base layer, a frame layer, an adhesive layer, a plastering mortar layer, an insulation layer, a latex layer, a decorative coating and an abrasion-resistant layer. The base layer is covered by the frame layer. The frame layer is composed of a plurality of workpieces which are arranged in parallel or in a staggered mode and form filling cavities. The filling cavities are filled with filler. The frame layer is covered by the adhesive layer. The adhesive layer is covered by the plastering mortar layer. The plastering mortar layer is covered by the insulation layer. The insulation layer is covered by the latex layer. The upper surface of the latex layer is coated with the decorative coating made of decorative paint. The upper surface of the decorative coating is coated with the abrasion-resistant layer made of transparent abrasion-resistant paint.
Owner:ANHUI DEQUAN NEW BUILDING MATERIALS TECH CO LTD

Magnetic rubber seal composite material with high pressure resistance and preparation method of magnetic rubber seal composite material

The invention relates to the field of functional magnetic seal composite materials, in particular to a magnetic rubber seal composite material with high pressure denaturation and a preparation methodof the magnetic rubber seal composite material. The magnetic rubber seal composite material is mainly characterized by forming by nitrile rubber, neoprene, magnetic powder and a reinforcement, vulcanization and protection system, mixing with an internal mixer and shaping and vulcanizing with a vulcanizing machine. The magnetic rubber seal composite material has the advantages of good dynamic sealing and static sealing and solvent resistance, high pressure denaturation, good thermal stability, magnetic stability and the like.
Owner:QINGDAO UNIV OF SCI & TECH +2

A kind of thermal insulation firewall board

The invention discloses a heat insulation fireproof wallboard which comprises a base layer, an inner fiber board layer attached to the base layer, a heat insulation layer attached to the inner fiber board layer, a vacuum layer attached to the heat insulation layer, a protective layer attached to the vacuum layer, an outer fiber layer attached to the protective layer, a waterproof layer attached to the outer fiber board, and a reflective layer attached to the waterproof layer. The heat insulation fireproof wallboard has the excellent fireproof performance, is extinguished right after being deviated from fire, and is high in toughness and strength and excellent in heat insulation effect.
Owner:ANHUI DEQUAN NEW BUILDING MATERIALS TECH CO LTD

Flame-retardant environment-friendly foamed plastic

The invention discloses a flame-retardant environment-friendly foamed plastic which comprises the following raw materials in parts by weight: 32-37 parts of ethylene-vinyl acetate (EVA) resin, 68-72 parts of polycaprolactone (PCL), 2.8-3.2 parts of soybean meal, 2.7-3.6 parts of wood fibers, 1.2-1.7 parts of a titanate coupling agent NDZ-TTS, 3-3.6 parts of sodium lactate, 13-17 parts of a foaming agent ADC, 8-12 parts of zinc oxide, 9-10 parts of citric acid, 11-14 parts of sodium hydrogen carbonate, 1.6-1.9 parts of diisononyl phthalate (DINP), 2.2-2.7 parts of epoxy octyl stearate, 23-28 parts of barite powder, 15-18 parts of augite powder, 7-11 parts of white carbon black, 5-9 parts of mica powder, 3-6 parts of ammonium polyphosphate, 5-8 parts of melamine sodium polyphosphate, 1.5-1.8 parts of 2,6-di-tert-butyl-4-methylphenol (BHT) and 1.3-1.6 parts of an antioxidant BLE.
Owner:NINGGUO NINGSHENG RUBBER PROD

Novel micro-truck axle assembly

The invention discloses a novel micro-truck axle assembly, and belongs to the field of axles. The novel micro-truck axle assembly comprises a horizontal swing arm, wherein steering knuckles are fixedly mounted at the ends of the horizontal swing arm, wheels are fixedly installed outside the steering knuckles, the top of the horizontal swing arm is fixedly connected with cylinders, a moving rod ismovably sleeved with each cylinder, an upper supporting end is fixedly installed at the top of each moving rod, a piston is fixedly installed at the bottom of each moving rod, and each moving rod is movably sleeved with a baffle. According to the novel micro-truck axle assembly, by arranging the cylinders, the moving rods, the pistons, rubber blocks and air holes, in the use process of the axle assembly, double force release and vibration absorption can be conducted by means of piston compressed air and elastic properties of the rubber blocks, as the number of the air holes gradually decreases, the compression resistance of the pistons gradually increases, the intensity of released force also increases, the vibration absorption effect can be improved, and the diversity of vibration absorption modes of the axle assembly is increased.
Owner:湖北银通专用汽车有限公司

Filter fan-out packaging structure and manufacturing method thereof

PendingCN114513183AResolve offsetSolve the Yield Loss ProblemImpedence networksWaferSolder ball
The invention discloses a filter fan-out packaging structure and a manufacturing method thereof, a filter chip comprises a resonance area and a non-resonance area outside the resonance area, a bonding pad is arranged on the non-resonance area, a bonding layer covers the surface of an additionally provided carrier plate wafer, a barrier layer is manufactured above the bonding layer, and the barrier layer is arranged on the surface of the carrier plate wafer. An alignment structure is formed on an enclosure layer or a non-resonance area, the position of the alignment structure corresponds to a bonding pad, a filter chip is attached to a carrier plate wafer in an alignment mode through the alignment structure so as to form a first cavity above a resonance area, and the back face and the side face of the filter chip and the back face and the side face of the enclosure layer are covered with a plastic package layer. And removing the carrier wafer and the bonding layer, manufacturing a protective layer on the enclosure layer, and arranging a metal connecting structure and a solder ball through a first through hole in the protective layer and the alignment structure. According to the invention, the problems of offset of fan-out packaging of the filter chip and LT wafer cracking can be solved, the mold pressing resistance of the cavity structure is effectively enhanced, the production cost is reduced, and ultrathin packaging is realized.
Owner:XIAMEN SKY SEMICON TECH CO LTD

Primer-topcoat epoxy heavy-duty anticorrosive coating

The invention relates to primer-topcoat heavy-duty anticorrosive coating and belongs to the technical field of heavy-duty anticorrosive coating. The primer-topcoat heavy-duty anticorrosive coating ismainly characterized by comprising the following components in percentage by weight: 25%-35% of a low molecular weight bisphenol A glycidyl ether epoxy resin Epon828 base material, 10%-20% of a reaction type toughening diluent 277, 12%-35% of a cardanol-modified amine curing agent, 5%-10% of high-titanium powder pigment, 30%-40% of barium sulfate filler and 0.7%-2.4% of auxiliaries. The primer-topcoat heavy-duty anticorrosive coating provided by the invention has the advantages that all the key indexes thereof substantially exceed those of existing anticorrosive coating, the protection life ofthe high-performance coating with long-lasting protection in rigor and corrosive environment can reach more than 20 years, pollution can be reduced, the environment can be improved, resources can besaved, cost can be reduced, and economic benefit can be improved.
Owner:徐州尚铭装饰材料有限公司

Processing technology for enhancing pressure change resistance of magnetic rubber

The invention discloses a processing technology for enhancing the pressure change resistance of magnetic rubber, and relates to the technical field of magnetic rubber processing. The specific technological method comprises the following steps of: S1, preparation of magnetic fibers; S2, preparation of a skeleton material; S3, preparation of a magnetic support member; and S4, processing and preparation of the magnetic rubber. According to the processing technology provided by the invention, the compression deformation quantity of the magnetic rubber can be effectively reduced, so that the pressure change resistance of the magnetic rubber is enhanced, and the magnetic rubber has more excellent sealing performance.
Owner:LINGBI COUNTY LINGCI NEW MATERIALS

An elastic firewall board

The invention discloses an elastic fireproof wallboard which comprises a base layer, a frame layer, an adhesive layer, a plastering mortar layer, an insulation layer, a latex layer, a decorative coating and an abrasion-resistant layer. The base layer is covered by the frame layer. The frame layer is composed of a plurality of workpieces which are arranged in parallel or in a staggered mode and form filling cavities. The filling cavities are filled with filler. The frame layer is covered by the adhesive layer. The adhesive layer is covered by the plastering mortar layer. The plastering mortar layer is covered by the insulation layer. The insulation layer is covered by the latex layer. The upper surface of the latex layer is coated with the decorative coating made of decorative paint. The upper surface of the decorative coating is coated with the abrasion-resistant layer made of transparent abrasion-resistant paint.
Owner:ANHUI DEQUAN NEW BUILDING MATERIALS TECH CO LTD

A kind of fiber-reinforced rubber-elastomer composite material and preparation method thereof

The invention discloses a fiber-reinforced rubber elastic body composite material with good compression resistance, which includes a rubber matrix, fibers, and a thermosetting welding agent, and the thermosetting welding agent can promote spontaneous welding of fibers randomly dispersed in the rubber matrix during processing In essence, a three-dimensional network skeleton structure composed of thermosetting solder and fibers independent of the rubber matrix is ​​formed; the thermosetting solder is a variety of thermosetting resins, which are flowing liquids before curing at room temperature and high-strength after curing. It is a solid; it is made of thermosetting resin, curing agent and accelerator with a mass ratio of 100:(50-100):(0-10). The present invention forms a self-welded fiber skeleton structure in the rubber matrix by adding thermosetting solder, which supports the rubber matrix, greatly improves the compression resistance of the rubber matrix, and is beneficial to broaden the rubber under pressure-resistant conditions. application.
Owner:EAST CHINA UNIV OF SCI & TECH

Microporous polyolefin film and process for producing the same

The microporous polyolefin film produced by drawing a gel molding containing a polyolefin and a solvent for film formation in at least a uniaxial direction, performing thermofixing treatment, removing the solvent for film formation and once more drawing the molding in at least a uniaxial direction has large pore diameter and excels in air permeability, mechanical strength and compression resistance.
Owner:TORAY IND INC

High-quality foam fracturing fluid and preparation method and application thereof

The invention discloses a high-quality foam fracturing fluid and a preparation method and application thereof, and the high-quality foam fracturing fluid is prepared from the following raw material components in parts by mass: 0.217 to 1.694 parts of a stabilizer, 0.394 to 3.388 parts of a compounding agent, 1.183 to 6.776 parts of a foaming agent, 0.986 to 6.098 parts of a foam stabilizer and 98.6 to 169.4 parts of water, the high-quality foam fracturing fluid with the density of 0.683 g / cm < 3 >-0.879 g / cm < 3 > can be prepared by mixing and stirring the raw material components. The high-quality foam fracturing fluid overcomes the defects that an existing low-density foam fracturing fluid is short in foam stabilizing time, low in foaming rate, uneven in foaming size, not resistant to high temperature and the like, the preparation process is simple, construction is easy, and the high-quality foam fracturing fluid is suitable for yield increasing transformation of low-pressure low-permeability, leakage and water-sensitive stratums.
Owner:BETTER OILFIELD TECH

Fiber-reinforced rubber elastomer composite material and preparation method thereof

The invention discloses a fiber-reinforced rubber elastomer composite material with good compression resistance, which comprises a rubber matrix, fibers and a thermosetting welding agent, and the thermosetting welding agent can promote the fibers randomly dispersed in the rubber matrix to be spontaneously welded together in the processing process. A three-dimensional network skeleton structure which is formed by the thermosetting welding agent and the fibers and is independent of the rubber matrix is substantially formed. The thermosetting welding agent is various thermosetting resins, is a flowing liquid before being cured at normal temperature, and is a high-strength solid after being cured. The thermosetting resin is prepared from thermosetting resin, a curing agent and an accelerant according to the mass ratio of 100:(50-100):(0-10). By adding the thermosetting welding agent, a self-welding fiber skeleton structure is formed in the rubber matrix, a supporting effect on the rubber matrix is achieved, the compression resistance of the rubber matrix is greatly improved, and the application range of rubber under the pressure-resistant condition is widened.
Owner:EAST CHINA UNIV OF SCI & TECH

A kind of EVA coarse cell composite foam material and preparation method

ActiveCN110229411BFree internal rotationEvenly distributedSolesElastomerPolyester
The invention discloses an EVA coarse-pore composite foaming material and a preparation method thereof, which is prepared by mixing, granulating and foaming the material; the material includes: 40-60 parts by mass of ethylene-vinyl acetate copolymer, graphene Modified isotactic polybutene 10-20 mass parts, polyolefin thermoplastic elastomer 10-15 mass parts, polyester elastomer 10-20 mass parts, active agent 0.4-0.8 mass parts, crosslinking agent 0.7-1.5 mass parts 2.5-3.5 parts by mass of foaming agent and 0.1-0.3 parts by mass of auxiliary agent; the mass content of vinyl acetate in ethylene-vinyl acetate copolymer is 26%-40%; the preparation method of the EVA coarse-cell composite foaming material , take quantitative isotactic polybutene-1 and melt, add mass content and be 0.05%-0.2% graphene when the melting temperature of isotactic polybutene-1 is 140-170 ℃, so that both mixing Obtain graphene-modified isotactic polybutene afterward; The foaming effect of its coarse-cell foaming of this EVA coarse-cell composite foaming material is good, and has improved compression-resistant performance and resilience performance, and softness and abrasion-resistance are also improved. improved. The preparation method is simple and easy to operate.
Owner:ANTA CHINA

A kind of oil-pneumatic torsion spring

ActiveCN107345552BReconcile component heterogeneityEasy to compressSpringsGas and liquid based dampersDamping factorGas chamber
The invention provides an oil gas torsion spring, and belongs to the field of springs. The oil gas torsion spring comprises a cylinder barrel, a torsion shaft, floating pistons and an end cover. A closed annular cavity is formed between the inner wall of the cylinder barrel and the outer wall of the torsion shaft. The annular cavity is divided by the first floating piston and the second floating piston into a gas chamber and an oil chamber, a fixed baffle fixedly connected to the inner wall of the cylinder barrel divides the gas chamber into a first gas chamber body and a second gas chamber body which are symmetric, a swinging arm fixedly connected to the torsion shaft divides the oil chamber into a first oil chamber body and a second oil chamber body which are symmetric, the oil chamber bodies are connected through damping holes, and hydraulic oil is led into the oil chamber. Inert gases are led into the gas chamber, and the end cover penetrates the torsion shaft to be fixedly connected with the cylinder barrel through a bolt. According to the oil gas torsion spring, the torsion rigidity and damping coefficient can be automatically adjusted, and accordingly, torsion vibration and torque can be effectively buffered and attenuated; and meanwhile, various sealing systems are internally coated with sealing layers, mutual oil and gas channeling can be effectively prevented, and therefore the oil gas torsion spring is efficient and universal.
Owner:安徽东华弹簧有限公司
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