231results about "Rubber layered products" patented technology

To provide an insulating sheet that does not experience an excessive decrease in thermal insulation performance even when subjected to a compressive load in the thickness direction. [Solution] The present invention relates to an insulating sheet 10 that can be interposed between heat sources or between a heat source and a non-heat source to reduce the thermal conductivity in the thickness direction of the sheet, and comprising at least a porous sponge sheet 11 and a layer disposed on the surface of the sponge sheet 11, which is a dispersed layer 21 of a plurality of protrusions 20, and a battery equipped therewith.

The present application provides a heat conductive silicone composite sheet in which a high-hardness heat conductive silicone layer and a low-hardness heat conductive silicone layer are laminated in a good adhesion state. The heat conductive silicone composite sheet is a heat conductive silicone composite sheet in which a support layer (X), a high-hardness heat conductive silicone rubber layer (Y), and a low-hardness heat conductive silicone rubber layer (Z) are laminated in this order, wherein the support layer (X) is a layer in which a mesh-like reinforcing material is filled with a cured product of a heat conductive composition, and the high-hardness heat conductive silicone rubber layer (Y) and the low-hardness heat conductive silicone rubber layer (Z) are each a cured product of an addition-curable silicone rubber composition.

The utility model belongs to the technical field of track brake, concretely relates to the fatigue -resisting buffer rubber pad for track brake, including mounting panel, the left -hand end fixed connection of mounting panel has installation rod, the left -hand end middle part fixed connection of mounting panel has the nut, the right -hand end contact of mounting panel has the bottom plate, the left -hand end fixed connection of bottom plate has screw rod, screw rod and mounting panel swing joint, screw rod and nut are connected through the thread, screw rod and mounting panel are provided with auxiliary mechanism together. The utility model discloses through the use of mounting panel, reinforcing rib, can guarantee the good structural strength of bottom layer, under the effect of bottom layer, intermediate layer, surface layer, and bottom layer, intermediate layer, surface layer are phenolic resin, low hardness elastic rubber, high hardness rubber material respectively, make the buffer rubber pad have good durability, buffering, fatigue -resisting effect.

This invention discloses an aramid fiber reinforced solid conveyor belt and its preparation method, relating to the field of conveyor belt technology. Specifically, it includes the following steps: S1: Aramid fiber cloth passes through a continuous plasma surface treatment machine at a uniform speed, and its upper and lower surfaces are subjected to plasma activation treatment to obtain modified aramid fiber cloth; S2: (1) Natural rubber, styrene-butadiene rubber, chloroprene rubber, ethylene propylene diene monomer (EPDM) rubber, terpene phenolic resin, modifier, modified filler, bis-[3-(triethoxysilyl)propyl]tetrasulfide, zinc oxide, antioxidant, flame retardant, sodium stearate, vulcanizing agent, and vulcanization accelerator are added to a mixing machine and mixed to obtain a compound; (2) The compound is transferred to a calender and calendered to obtain a cover layer; S3: The cover layer, modified aramid fiber cloth, and cover layer are stacked in the order of top to bottom, and then rolled, bonded, and vulcanized to obtain an aramid fiber reinforced solid conveyor belt.

This invention discloses a low rolling resistance, high wear resistance, tear resistance, and energy-saving conveyor belt cover rubber and its preparation method, belonging to the technical field of conveyor belt cover rubber. The cover rubber is a vulcanized rubber composite with a self-layering structure, comprising, sequentially from the working surface of the cover rubber to the bonding surface with the belt core. This invention utilizes a vulcanized rubber composite with a self-layering structure to form a wear-resistant surface layer, a tear-resistant intermediate layer, and an adhesive bottom layer sequentially from the working surface to the bonding surface with the belt core. By utilizing the selective distribution of oxidized carbon nanospheres, modified basalt short fibers, and modified layered silicates during the latex co-precipitation process, the concentration of oxidized carbon nanospheres in the wear-resistant surface layer is not less than 85% of the total, the concentration of modified basalt short fibers in the tear-resistant intermediate layer is not less than 80% of the total, and the adhesive bottom layer is a pure rubber layer. This achieves a synergistic improvement in low rolling resistance, high wear resistance, and high tear resistance in a single cover rubber, resolving the contradiction that traditional cover rubbers struggle to achieve these properties simultaneously.

A multi-material wood-type golf club head 100 comprises a tuning element 130 to damp dominant vibrations. The multi-material wood-type club head 100 comprises a first 120, metallic component forming t

The application relates to the technical field of sports goods, and discloses a butyl inner liner PU pasting skin football based on high sealing performance and a preparation process thereof. The butyl inner liner is used to replace a traditional rubber inner liner, the air tightness is improved by more than 60%, the air preservation time is prolonged to more than 30 days without the need of inflation, the modified EVA film is used as a buffer layer, the football has soft touch and excellent resilience, and is not easy to deform after strong impact, the enhanced coating formula is used to improve the tensile strength of the pasting cloth by more than 40%, and the inner liner spherical structure is effectively maintained, the high-viscosity hot melt adhesive bonding layer is used, the peeling strength between the shell and the inner liner is improved by more than 50%, and the delamination is effectively prevented, the butyl rubber sealing rubber strip is arranged at the joint, and the air leakage hidden danger of the joint is completely eliminated, the thickness of each layer of material is accurately controlled, the football weight distribution is ensured to be uniform, and the flight stability is significantly improved, and the preparation process uses hot-pressing compounding to replace solvent bonding, no organic solvent residue is left, and the process is environment-friendly and safe.

Various embodiments of the present disclosure provide a multilayer stretch film and an oriented stretch film, for example, resulting from stretching the multilayer stretch film. The multilayer stretch film includes a first layer comprising a first polymer resin, a second layer comprising a polymer material, and a core layer disposed between the first layer and the second layer. The core layer comprises graphene. The oriented stretch film has a thickness in the range of about 4 μm to about 10 μm.

The application discloses a kind of with gradient buffer structure and surface microtexture enjoy floor and its preparation method.The floor includes surface microtexture layer, gradient solidification UV coating, gradient buffer structure, substrate layer and fast lock buckle system.Surface microtexture layer has double texture of pit array and microprojection array, realize wet / dry state antiskid, easy cleaning and scratch resistance.Gradient buffer structure is made of surface layer microresponse layer, core energy absorption layer and bottom stress dispersion layer, realize nonlinear impact response, give consideration to walking stability and fall protection.Through finite element simulation to buffer layer predeformation compensation, eliminate warping;Pit edge stress concentration activates buffer layer, shortens impact response time 15%-25%.The application first realizes the integration of old and pet friendly function, is applicable to home old and pet family, with excellent buffering, antiskid, durable, easy maintenance performance.

The utility model relates to a stainless steel heat insulation waterproof roll, including the protective layer, the protective layer has the stainless steel foil, XPE foamed material and butyl rubber of upper and lower layer -on -layer, stainless steel foil has corrosion -resistant, high strength, beautiful, hygienic, long -lived and so on advantage, it still has heat -resistant, cold -resistant, difficult to burn and so on feature, simultaneously, XPE foamed material is chemical crosslinking polyethylene foamed material, is with low density polyethylene resin adds crosslinking agent and foaming agent through high temperature continuous foaming and becomes, and the tensile strength is higher, and the cell is finer, and the material quality of XPE foamed material is compared with other PE or non - PE class material and has outstanding performance in durability, light resistance, anti -physical impact etc., and XPE foamed material is stable in chemical property, is not easy to decompose, has no smell, and the elasticity is good, more to the outer wall surface carries out protection, guarantees that the outer wall uses stable and reliable, greatly prolongs the maintenance period of outer wall, and reduces maintenance cost.

Film for forming a plate material with a structured surface by applying the film to a decorative substrate, wherein the film comprises: a wear protection group, comprising a connection layer which is designed to be connected to a decorative layer or decorative layer group, a transparent base layer on the connection layer, and a surface layer on the transparent base layer; a first lacquer layer on the surface layer of the wear protection group, wherein the first lacquer layer comprises an admixture of solid particles; and a second lacquer layer on the first lacquer layer, wherein the second lacquer layer comprises an admixture of silica particles.

The utility model discloses a kind of closed explosive ordnance removal clothes convenient to put on and take off, including explosive ordnance removal coat and explosive ordnance removal trousers, both are equipped with put on and take off structure and sealing structure, and are connected to form closed whole by sealing structure. Explosive ordnance removal coat chest protection structure is sequentially composed of sealing layer, soft protection layer, first flame-retardant protection layer, hard protection layer and second flame-retardant protection layer. Put on and take off structure adopts double-opening resin quick-release zipper, coat and trousers are realized quick put on and take off by zipper of double arms upper side and trousers leg outer side respectively;Sealing structure utilizes protective collar, coat low collar and the sealing adhesive fastener band of trousers waist, realizes the close sealing of helmet and the overall sealing of coat and trousers. Sealing layer adopts double-sided sealing rubber layer and honeycomb structure layer heat sealing to form closed space attenuation shock wave, soft and hard protection layer cooperates and resists high-speed fragment, and flame-retardant protection layer uses aramid fabric to prevent flame burning. This explosive ordnance removal clothes gives consideration to quick put on and take off and high-efficiency protective performance, and can effectively guarantee explosive ordnance removal personnel safety.

This invention discloses a health insole containing Atractylodes lancea and its manufacturing process, comprising a breathable surface layer, an Atractylodes lancea functional layer, and an elastic base layer arranged sequentially from top to bottom. The Atractylodes lancea functional layer contains microcapsules containing active ingredients, enabling the slow release of these active ingredients and their efficacy. The Atractylodes lancea functional layer employs a "locally thickened Atractylodes lancea functional layer" design in key areas such as the sole and heel of the insole to enhance the herbal care effect. The breathable surface layer has ventilation channels to achieve "strong antibacterial effect during use and energy-saving and efficacy-preserving effect when idle." This application solves the problems of easy attenuation of the efficacy of traditional Chinese medicine in existing insoles, rapid release of medicinal properties, lack of targeted care for key areas, and poor prevention and treatment effects. It precisely matches the foot health function needs under different states of idle and active use, balancing wearing comfort and health practicality.

The present disclosure provides an improved decorative article that may be used as a decorative flooring panel. The decorative article comprises a laminated structure having a core layer and a top layer. The core layer includes separate upper and lower sections with different compressibility resistances, such that the upper section of the core layer exhibits a lower compressibility resistance than the compressibility resistance of the lower section. In some embodiments, for example, the upper and lower sections of the core layer may be foamed layers having different porosities and densities. In some disclosed embodiments, the top layer above the core layer may comprise a coating, a wear layer, and a décor layer. According to some embodiments, a plurality of holes may extend through the top layer, or through only a portion of the top layer, to further improve acoustic performance of the decorative article.

To provide a laminate having a multilayer structure consisting of a top coat layer, an adhesion layer, a thermoplastic elastomer layer and a foamed layer, with excellent adhesion to the adhesion layer, and a method for producing the laminate, and an automobile interior skin including the laminate.SOLUTION: A laminate includes a top coat layer, an adhesion layer, a thermoplastic elastomer layer composed of a thermoplastic elastomer composition including the following component (A) and component (B), and a foamed layer. An automobile interior skin includes the laminate. The component (A): an olefinic thermoplastic elastomer and the component (B): a modified polyalkylene ether glycol modified with an acid and / or a derivative thereof.SELECTED DRAWING: Figure 1

This invention belongs to the technical field of rubber hoses, specifically relating to an antibacterial hose for conveying food and its manufacturing process. It comprises an inner rubber layer coated with a quaternary ammonium salt antibacterial agent, a reinforcing layer treated with the antibacterial agent, and an outer rubber layer treated with antifungal agents. The quaternary ammonium salt antibacterial agent is a compound of food-grade alkyl dimethyl benzyl ammonium chloride and disdecyl dimethyl ammonium chloride. The reinforcing layer is prepared by impregnating / spraying polyester fibers with the quaternary ammonium salt antibacterial agent, followed by drying and curing, and then simultaneously winding and laminating it with food-grade low-density polyethylene. The outer rubber layer is uniformly distributed with a pre-dispersed antifungal agent, effectively inhibiting the growth of mold in the high-temperature and high-humidity environment of food processing. The antibacterial hose is manufactured through a process of spraying the inner rubber layer with the antibacterial agent, impregnating the reinforcing layer with the antifungal agent, pre-dispersing the antifungal agent, and mixing. This process achieves beneficial effects such as a >99.99% inhibition rate against common pathogenic bacteria, long-lasting antibacterial performance, zero-mold growth on the outer rubber layer (grade 0), stable mechanical properties, and excellent anti-aging properties.

Elastomeric article (1) with - a rubber matrix (2) as well as - components (3) vulcanized into and / or onto the rubber matrix (2), in particular reinforcing elements, - an adhesive system by which the vulcanized and / or bonded components (3) are connected to the rubber matrix (2), characterized in that the article (1) has an adhesive system which has the following features, namely before vulcanization - components coated with adhesion promoter to be vulcanized in and / or onto the skin (3), - a raw rubber matrix (2) surrounding the components (3) to be vulcanized in and / or onto the adhesive layer (4), - Nanotetrapods (5) embedded in the adhesion promoter layer (4), which protrude from the adhesion promoter layer (4) with at least several arms (6) and engage in the surrounding raw rubber matrix (2), wherein, after vulcanization, the components (3) to be vulcanized in and / or onto are firmly connected to each other both by the chemical bond formed during vulcanization and by the form-fitting interaction of the nanotetrapods (5) with the surface of the components (3) to be vulcanized in and / or onto and the rubber matrix (2), characterized in that the elastic article (1) is an air spring bellows or a vehicle pneumatic tire or a power transmission belt or a conveyor belt or an elastic membrane or an elastic fluid line.

A film for forming a sheet material with a structured surface by applying the film to a decorative substrate, the film comprising: a wear-resistant group comprising a bonding layer configured to be bonded to a decorative layer or decorative layer group, a transparent base layer on the bonding layer, and a surface layer on the transparent base layer; a first coating layer on the surface layer of the wear-resistant group, the first coating layer comprising an admixture of solid particles; and a second coating layer on the first coating layer, the second coating layer comprising an admixture of silica particles.

The method for manufacturing a heat-resistant mat according to the present application includes the steps of mixing a fluorine-based resin and aerogel particles in a solid phase at a weight ratio of 1:1 to 1:1.5 to form an aerogel composite material; and forming an aerogel composite material sheet to form an insulating layer.

The application relates to the technical field of waterproof coiled materials, and discloses a high-molecular waterproof coiled material with a sticky tape and a preparation method thereof, wherein the high-molecular waterproof coiled material with the sticky tape is sequentially provided with a sticky tape, a high-molecular sheet layer, a barrier layer, an upper glue-sticking waterproof layer, a film-based high-molecular layer, a lower glue-sticking waterproof layer and an anti-sticking layer; the upper glue-sticking waterproof layer and the lower glue-sticking waterproof layer are both modified self-sticking asphalt glues; the raw materials of the modified self-sticking asphalt glues include the following components: asphalt, a softening agent, a styrene-butadiene-styrene block copolymer, styrene-butadiene rubber, butyl rubber, tackifying resin, desulfurized rubber powder, fillers and a compatibilizer; the raw materials of the fillers include carbon black, silicon dioxide, a silane coupling agent and calcium 5-methylphenol-2-sulfonate; the sticky tape is a magic tape, and the magic tape includes a magic tape hook surface layer and a magic tape hair surface layer; and the above technical scheme solves the problem of low peeling strength of the high-molecular waterproof coiled material in the prior art.

A method of forming an article includes disposing a unitary bonding layer on a first substrate, disposing a second substrate on the unitary bonding layer, and treating the unitary bonding layer with heat at a treatment temperature greater than 80 °C and less than or equal to 400 °C for a treatment period greater than 1 minute and less than or equal to 120 minutes to bond the second substrate to the first substrate, thereby providing a bonding energy of the second substrate to the first substrate greater than or equal to 500 mJ / m2. The unitary bonding layer includes an average thickness less than or equal to 10 µm.

The application provides an elastic gasket and a preparation method and a composite silica gel force bearing pad and a preparation method, and relates to the technical field of silicone rubber. The preparation method provided by the application comprises the following steps: arranging a mold core with a fiber braided tube on the surface in a radial direction to obtain a fiber composite array; and compounding the fiber composite array with a silicone rubber material, and performing mold pressing vulcanization, and then removing the mold core to obtain an elastic gasket. When the elastic gasket prepared by the application bears a compression load, the fiber braided tube resists the radial deformation of the elastic gasket, so that the compression strength and the rigidity of the gasket are effectively improved, and the high modulus of the fiber braided tube can promote the rapid rebound of the gasket, and can optimize the energy absorption and release of the elastic gasket in the compression process.

Provided is a resin sheet having excellent processability with little occurrence of burrs and fluff when punching holes, cutting, etc. Provided is a resin sheet wherein a strain value (X) calculated according to formula (1) is within a specific range. strainvalueX=fracturestrainvalueB−yieldstrainvalueA wherein the yield strain value (A) indicates the strain value on a punching stress-punching strain curve at the moment that the punching stress is at a maximum and the fracture strain value (B) indicates the strain value on the punching stress-punching strain curve at the moment that the punching stress is zero.

The utility model discloses a diamond grinding belt, including the body of a belt, the outside of body of a belt is covered with diamond micro powder layer, the diamond micro powder layer is formed by diamond micro powder and adhesive mixture and is attached to the body of a belt after. The utility model provides technical scheme through adopting diamond micro powder as abrasive, has high hardness, good wear resistance and other specific, compares ordinary grinding belt, can more efficiently cut material in the grinding process, thereby improves grinding efficiency and grinding accuracy.

The present invention relates to a piezoelectric speaker. A piezoelectric speaker (10) has a piezoelectric film (35), a first bonding layer (51), and an intermediate layer (40). The piezoelectric film (35) includes a first electrode (61), a second electrode (62), and a piezoelectric body (30) sandwiched between the first electrode (61) and the second electrode (62). The first bonding layer (51) is an adhesive or cohesive layer. The intermediate layer (40) is disposed between the piezoelectric film (35) and the first bonding layer (51). The entire main surface of both main surfaces of the piezoelectric film (35) vibrates up and down.

The present invention relates to a leather component comprising from a first end face to a second end face: - a knitted textile layer A comprising one or more yarn(s) of polyolefin(s) and / or olefinic thermoplastic elastomer(s); and - a polymeric facing layer B comprising one or more polymer(s) selected from: polyolefins, olefinic thermoplastic elastomers, styrenic thermoplastic elastomers, vulcanized thermoplastic elastomers selected from: a mixture of a vulcanized olefinic elastomer and a polyolefin, and a mixture of a vulcanized olefinic elastomer and a styrenic thermoplastic elastomer, and a mixture of the latter. The present invention also relates to a footwear article comprising such a synthetic leather component, as well as a method for manufacturing such a footwear article. Figure for the abstract: 1