18099results about "Lamination" patented technology

The invention discloses a temperature correction method and system for a hot press, and particularly relates to the technical field of hot press temperature control, and the method comprises the steps: obtaining and preprocessing multi-dimensional operation data, including a temperature time sequence, pressure setting and material attributes; constructing a coupling model based on the multilayer neural network, and predicting temperature distribution of different process stages; performing sensor drift compensation, analyzing temperature deviation characteristics, judging whether sensor drift or material thermal diffusion abnormity exists or not, and generating a local distortion mark; determining a compensation mode according to the distortion mark, and starting a local compensation mode or a global balance control mode if the distortion is recognized as over-limit distortion; and comparing with the output of the coupling model, verifying the temperature correction effect, and if the deviation is reduced and the distortion mark is converged, outputting a stable temperature correction result. The problems of temperature distortion and sensor drift are effectively solved, and the long-term precision and stability of the hot press under complex working conditions are improved.

A paddle includes a core and at least one metallic lattice structure coupled to the core.

Provided is a coating die enabling coating of two layers of coating films stably. The coating die includes: a first block including a first manifold to receive a first coating liquid; a second block including a second manifold to receive a second coating liquid; and a shim sandwiched between the first block and the second block.

The invention discloses a 3D printing layered honeycomb sandwich panel and a processing method thereof. The processing method comprises the steps that a digital forming platform is constructed, process parameters are initialized, a functional interface layer is laid on a printing substrate in advance, a three-dimensional model is generated, and the printing substrate is divided into a plurality of gradient areas; collaborative printing of a lower panel structure is executed, and a composite panel base body is formed by adopting a multi-nozzle alternate deposition process; according to the characteristics of the divided gradient areas, honeycomb units are formed layer by layer by dynamically controlling printing rheological parameters, and a gradient honeycomb core layer is constructed; the cooperative growth of the upper panel and the gradient honeycomb core layer is realized by adopting a rotary incongruous printing strategy; the performance of the core layer material is regulated and controlled through a multi-stage heat treatment process, and the functional interface layer is activated to obtain the honeycomb sandwich panel; according to the honeycomb sandwich board, the mechanical property customized distribution of the honeycomb core layer is realized, the surface-core interface bonding strength is improved by combining the directional activation mechanism of the micro interlocking structure and the functional interface layer, and the honeycomb sandwich board with high mechanical property and thermal stability is provided.

The present disclosure provides embodiments of a method a reinforced porcelain panel product for renovations or new constructions. In an embodiment, a method includes applying an adhesive to a top surface of a structural core board that includes a foam-core material. Further, the method continues with abuttingly contacting the structural core board to a bottom surface of a porcelain slab with the adhesive such that regions of the structural core board substantially extend beyond outer peripheries of the porcelain slab to define buffer regions, thereby to allow the buffer regions to be visible and to enhance protection from cracking when the reinforced porcelain panel product is handled. Additional features include the bottom surface of the structural core board having a second surface area larger than the first surface area of the porcelain slab and a fracture toughness greater than the porcelain slab.

The present disclosure provides embodiments of a method a reinforced porcelain panel product for renovations or new constructions. In an embodiment, a method includes applying an adhesive to a top surface of a structural core board that includes a foam-core material. Further, the method continues with abuttingly contacting the structural core board to a bottom surface of a porcelain slab with the adhesive such that regions of the structural core board substantially extend beyond outer peripheries of the porcelain slab to define buffer regions, thereby to allow the buffer regions to be visible and to enhance protection from cracking when the reinforced porcelain panel product is handled. Additional features include the bottom surface of the structural core board having a second surface area larger than the first surface area of the porcelain slab and a fracture toughness greater than the porcelain slab.

The invention provides hydrophobic silica wet gel, hydrophobic silica aerogel, and methods that can be used to form an enhanced hydrophobic silica aerogel sheet having an advantageous combination of properties. Some embodiments of the invention provide a hydrophobic silica aerogel having advantageous properties, such as desirable performance on visible transmission, haze, or both.

The present invention is used in the technical field of functional textile materials. Disclosed are a composite fiber-based protective material, and a preparation method therefor and the use thereof. The composite fiber-based protective material comprises a unidirectional moisture-guiding fiber membrane, a bacteriostatic sweat-absorbing layer and a waterproof moisture-permeable membrane, which are sequentially stacked, wherein the unidirectional moisture-guiding fiber membrane comprises a hydrophobic fiber membrane and a hydrophilic fiber membrane sandwiched between the hydrophobic fiber membrane and the bacteriostatic sweat-absorbing layer, and the average pore size of the hydrophobic fiber membrane is larger than the average pore size of the hydrophilic fiber membrane. The average pore size of the hydrophobic fiber membrane is 10-18 μm; and the average pore size of the hydrophilic fiber membrane is 1.0-2.3 μm. The composite fiber-based protective material is prepared from the unidirectional moisture-guiding fiber membrane, the bacteriostatic sweat-absorbing layer and the waterproof moisture-permeable membrane by means of a lamination process. In addition to waterproofness and moisture penetrability, the composite fiber-based protective material also has biodegradability and a bacteriostatic effect.

Disclosed in the present invention are a PET release film base film having low surface roughness and a preparation method therefor. The release film base film comprises three layers which are stacked: a core layer and two surface layers located on both sides of the core layer. The release film base film is obtained via three-layer co-extrusion by means of taking an auxiliary extrusion resin as a raw material of the two surface layers and a primary extrusion resin as a raw material of the core layer; the auxiliary extrusion resin is obtained by mixing an anti-blocking agent PET masterbatch and a PET base material in a mass ratio of 1:5-1:15; and the primary extrusion resin is a pure PET base material. The release film base film of the present invention has low surface roughness, low haze and excellent overall performance. Since large-particle benzoic acid-modified nano aluminum oxide has the refractive index very close to that of PET base films, the present invention can effectively avoid adverse visual impacts caused by a difference in the refractive index at interfaces between nanoparticles having large particle diameters and resin matrixes, thus effectively reducing the haze.

Disclosed is a coreless roll of a tissue paper product having a first end and a second end, and a web of tissue paper product being wound such as to define a central inner hole with the first end located on the outer side and the second end located at the inner hole, the product including a bonded first ply and a second ply, a grammage of the product being 35 to 55 g / m2, and having a Geometric Mean Tensile strength of at least 200 N / m, the first ply and the second ply being made of Conventional Wet Press (CWP) paper and embossed to be nested, the coreless roll having an outer diameter of 95 to 150 mm, an inner hole diameter of 20 to 50 mm, and a density of the coreless roll of 70 to 90 kg / m3, a caliper ratio of the roll of 40% to 70%.

The invention provides a flame-retardant heat-insulating fabric for fire-fighting clothes and a preparation process thereof, and belongs to the technical field of fire-fighting fabrics. The preparation process comprises the following steps: preparing coated modified ammonium polyphosphate; modified expanded perlite; preparing a flame-retardant outer-layer fabric; preparing a heat insulation core layer fabric; preparing an antibacterial inner layer fabric; and bonding. The flame-retardant heat-insulating fabric for the fire-fighting clothes comprises a flame-retardant outer-layer fabric, a heat-insulating core-layer fabric and an antibacterial inner-layer fabric, ammonium polyphosphate is dispersed in deionized water, polyethyleneimine is added under the acidic condition, amino on the polyethyleneimine and ammonia ions of the ammonium polyphosphate are subjected to an ion exchange reaction, and the flame-retardant heat-insulating fabric for the fire-fighting clothes is obtained. According to the flame-retardant outer-layer fabric, ammonium polyphosphate is preliminarily coated, then a hydroxyethylidene diphosphonic acid solution is added for a salt forming reaction, coated modified ammonium polyphosphate with a core-shell structure is prepared, the coated modified ammonium polyphosphate and polyester powder are mixed and granulated, then the flame-retardant outer-layer fabric is prepared, and the flame-retardant property of the flame-retardant outer-layer fabric can be effectively improved.

The invention provides hydrophobic silica wet gel, hydrophobic silica aerogel, and methods that can be used to form an enhanced hydrophobic silica aerogel sheet having an advantageous combination of properties. Some embodiments of the invention provide a hydrophobic silica aerogel having advantageous properties, such as desirable performance on visible transmission, haze, or both.

The utility model provides a laminated glass flat pressing machine, which relates to the technical field of glass flat pressing equipment, and comprises a fixed plate, four ends of the bottom of the fixed plate are provided with support columns, the fixed plate is internally provided with a fixed groove, the fixed groove is internally provided with a clamping device, two ends of two sides of the fixed plate are provided with connecting plates, and the two ends of the fixed plate are respectively provided with a clamping device. The four connecting plates are equally divided into two groups, first guide rods are installed on the opposite faces of the two groups of connecting plates, the surfaces of the two first guide rods are movably sleeved with moving frames, moving grooves are formed in the inner sides of the moving frames, and rolling devices are arranged in the moving grooves. According to the laminated glass flattening device, the limiting groove, the first forward and reverse motor and the second forward and reverse motor are electrically connected with the external controller, and laminated glass needing to be flattened is placed on the top of the fixing plate; the first forward and reverse motor is started through an external controller to drive the two-way threaded rod to rotate, and meanwhile the movable rod is driven to move in the direction opposite to or opposite to the direction of the second guide rod.

The invention discloses a copper-clad plate for a printed circuit board and a preparation method of the copper-clad plate, and relates to the technical field of printed circuit board materials. The invention discloses a preparation method of a copper-clad plate for a printed circuit board, which comprises the following steps of: soaking a reinforcing material in a glue solution, and drying to obtain a prepreg; carrying out hot-pressing treatment on the prepreg and copper foil to obtain a copper-clad plate; the glue solution comprises the following raw materials in parts by weight: 15-20 parts of vinyl-terminated polyphenyl ether, 20-25 parts of epoxy resin, 20-25 parts of difunctional silicon dioxide, 15-25 parts of an organic solvent, 0.3-0.6 part of a curing agent and 0.05-0.1 part of a curing accelerator; the difunctional silicon dioxide cross-linked polyphenyl ether and epoxy resin prepared by the preparation method disclosed by the invention are used as a resin material of a glue solution, and have the characteristics of good heat resistance and excellent mechanical properties.

Disclosed is a film sticking device. The film sticking device includes an upper cover, a base and an inner tray, the upper cover is movably connected to a side of the upper cover; the inner tray includes a chassis and a limiting frame provided at the chassis, the limiting frame encloses a receiving groove on the chassis, an inner wall of the limiting frame is provided with a limiting step configured for installing a screen protection film, a positioning notch and a pulling notch are respectively provided at two opposite sides of the limiting frame; and the inner tray is detachably installed at the base, and the upper cover is configured to cover the receiving groove.

Disclosed is a coreless roll of a tissue paper product having a first end and a second end, and a web of tissue paper product being wound such as to define a central inner hole with the first end located on the outer side and the second end located at the inner hole, the product including a bonded first ply and a second ply, a grammage of the product being 35 to 55 g / m2, and having a Geometric Mean Tensile strength of at least 200 N / m, the first ply and the second ply being made of Conventional Wet Press (CWP) paper and embossed to be nested, the coreless roll having an outer diameter of 95 to 150 mm, an inner hole diameter of 20 to 50 mm, and a density of the coreless roll of 70 to 90 kg / m3, a caliper ratio of the roll of 40% to 70%.

The invention discloses an INS film with excellent comprehensive performance, which comprises a surface protection layer, an upper base material layer, a printing ink layer, a bonding glue layer and a lower base material layer which are sequentially superposed from top to bottom, the surface protection layer is prepared from the following raw materials in parts by weight: 75-135 parts of polyester polyol resin, 30-60 parts of hydroxy acrylic resin, 2-25 parts of an isocyanate curing agent, 2-17 parts of a closed curing agent, 2-25 parts of a chain extender, 0.5-8 parts of a catalyst, 0.5-2 parts of an antioxidant and 0.5-3 parts of an ultraviolet light absorber. According to the surface protection layer of the INS film, the high-temperature condition of a high-temperature plastic uptake procedure of the INS film in preparation of INS parts is well utilized, so that the closed curing agent is effectively excited to perform secondary cross-linking curing reaction. The INS film is good in surface chemical reagent resistance, has the characteristics of high heat stretch rate, high hardness and scratch resistance, has excellent ultraviolet irradiation yellowing resistance, and is particularly suitable for the field of in-mold decoration.

The invention relates to the technical field of non-woven fabrics, in particular to a production process of a functional fiber woven non-woven fabric body, the non-woven fabric body comprises a non-woven fabric base body, middle layers are arranged on the upper portion and the lower portion of the non-woven fabric base body, and outer layer bodies are arranged on the outer sides of the middle layers; the middle layer is compounded with the upper part and the lower part of the non-woven fabric base body through polyurethane glue, and the dosage of the polyurethane glue is 20g / m < 2 >; the non-woven fabric body is formed by mutually matching a non-woven fabric base body, a middle layer and an outer layer body, the non-woven fabric base body is formed by weaving first modified spandex fibers and polyester fibers, the middle layer is formed by interweaving second modified polyester fibers and hemp fibers, and the outer layer body is formed by spraying an outer layer agent. The product is excellent in wear resistance, stain resistance, heat preservation and breaking strength, remarkable in comprehensive coordination effect and excellent in washing resistance and ultraviolet stability resistance.

The invention relates to the technical field of needled felt acoustic panels, in particular to a PET needled felt acoustic panel and a preparation process thereof, and solves the defects in the prior art. The PET needled felt acoustic panel comprises a gradient impedance matching layer, a sound energy conversion layer and a dynamic tuning layer; interface molecular chain entanglement of the three-layer structure is achieved through a hot pressing process, and continuous transition of acoustic impedance from 2.5 * 10 < 6 > ray l to 8 * 10 < 5 > ray l is formed. According to the method, through staged structure prefabrication and physical field auxiliary forming, precise interface control of a multi-material system is achieved. All the functional layers are orderly integrated after being independently prepared, and structural damage caused by direct mixing is avoided. Especially, the broadband sound absorption performance of the product is remarkably improved through the regional processing strategy of the gradient layer and the nanometer framework construction technology of the sound energy layer.

The gummed paper tearing device comprises a conveying mechanism and a gummed paper tearing mechanism, the gummed paper tearing mechanism comprises a fixing base, a lifting driving piece, a mounting block, a pressing wheel, a scraping block, a clamping piece and a pushing driving piece, the lifting driving piece is vertically arranged on the fixing base, and the mounting block is fixedly arranged at the bottom end of a telescopic rod of the lifting driving piece; the pressing wheel and the scraping block are arranged at the bottom end of the mounting block; the pushing driving piece is fixedly arranged on the mounting block, the clamping piece is composed of a rotating part, a clamping part and a push rod part, the rotating part is rotationally connected with the bottom end of the mounting block, the push rod part is hinged to a telescopic rod of the pushing driving piece, and the clamping piece abuts against the scraping block under the action of the pushing driving piece. The invention further discloses a card feeding production line which comprises the gummed paper tearing device and further comprises a card issuing device, a translation module and a waste gummed paper recycling device, and the gummed paper tearing mechanism is fixedly arranged on the translation module. The card feeding production line has the advantages that the efficiency of tearing off the gummed paper on the card paper is high, and the gummed paper can be conveniently torn off from the card paper on a large scale.

Disclosed are flexible fluid reservoirs including a front sheet and a back sheet, each comprising a four-layer insulated wall. The four-layer insulated wall includes an interior layer and an exterior layer, and a metallic film layer and an insulation layer disposed between the interior layer and the exterior layer where the metallic film layer is oriented toward the exterior layer and the insulation layer is oriented toward the interior layer. One or more of the interior or exterior layers can be a metallocene modified polyethylene film. The metallic film layer can be aluminum coated polyethylene terephthalate resin. The insulation layer can be a foam layer comprising closed cell polyethylene resin. The four-layer insulated wall can resist or limit temperature changes of a fluid disposed within the reservoir for a period of time. The insulated fluid reservoirs can include closure mechanisms for sealing an upper opening of the reservoir.

Disclosed is a coreless roll of a tissue paper product having a first end and a second end, and a web of tissue paper product being wound such as to define a central inner hole with the first end located on the outer side and the second end located at the inner hole, the product including a bonded first ply and a second ply, a grammage of the product being 35 to 55 g / m2, and having a Geometric Mean Tensile strength of at least 200 N / m, the first ply and the second ply being made of Conventional Wet Press (CWP) paper and embossed to be nested, the coreless roll having an outer diameter of 95 to 150 mm, an inner hole diameter of 20 to 50 mm, and a density of the coreless roll of 70 to 90 kg / m3, a caliper ratio of the roll of 40% to 70%.

The invention relates to the field of copper-clad plate press-fit processing, in particular to a copper-clad plate forming processing device and method.The copper-clad plate forming processing device comprises a supporting table of a hollow structure, a lower layer pressing plate is fixedly connected to the top of the supporting table, and a portal frame stretching across the front side and the rear side of the lower layer pressing plate is fixedly installed at the top of the supporting table; a hydraulic mechanism located above the supporting table is installed at the bottom of the portal frame, and a correction mechanism located on the side face of the lower pressing plate and a multi-stage laminating mechanism located on the top of the lower pressing plate are installed at the bottom of the hydraulic mechanism. According to the invention, the first-stage lamination mechanism and the second-stage lamination mechanism are matched to carry out multi-stage lamination on each layer of stacked copper-clad plates, and the second-stage lamination mechanism is firstly utilized to carry out multi-point pre-compaction on the copper-clad plates, so that air among the layers can be discharged from gaps among compaction points; and then the primary laminating mechanism performs high-temperature heating lamination on the copper-clad plate, so that bubbles are prevented from appearing in the copper-clad plate, and the firmness and quality of lamination molding of the copper-clad plate are improved.

A method of manufacturing an absorbent core for a disposable absorbent hygiene article includes providing a first core cover web and at least one pleat in the first core cover web; applying an adhesive to the pleated first core cover web; bringing the pleated first core cover web into conformance with a recess, the recess including at least one channel-forming element arranged on a bottom surface of the recess and causing the pleat to at least partially unfold at the channel-forming element; applying absorbent material on the first core cover web in the recess; applying an adhesive on a second core cover web; applying the second core cover web to the first core cover web; forming an absorbent laminate by pressing together the second and first core cover webs; and forming individual absorbent cores by severing the absorbent laminate. An absorbent core and an absorbent article including the absorbent core are also disclosed.

Examples include a machine for producing a multi-layer product having a dry film applied to a carrier substrate. A carrier substrate web is provided to an application stage where a first dry film of powdered material is applied to a side of the carrier substrate. The carrier substrate web having the dry film on at least one side is then fed to a product winder to produce a product roll. A dancer roller and / or a positively driven draw roller are arranged between a location where the carrier substrate web unwound from a reel and an entry into an application gap of the application stage, and / or a dancer roller and / or a positively driven draw roller are arranged between where the substrate emerges from a last application gap of the application stage and a location at which the winding of the carrier substrate web onto the product roll takes place.

The invention relates to a heat-conducting MXene film with ultrahigh anisotropy and a preparation method of the heat-conducting MXene film. The ultrahigh-anisotropy heat-conducting MXene film is an MXene / MMT composite film and is formed by alternately stacking a plurality of MXene layers and a plurality of MMT layers. The MXene and MMT nanosheets in the alternating layered structure are highly and regularly oriented along the plane direction, so that excellent anisotropic heat-conducting property can be effectively realized. As a heat diffuser of a high-performance electronic device, the film has more excellent cooling efficiency than a traditional commercial heat-conducting film.

According to the high-compression-resilience thermal interface material and the preparation method thereof, high-thermal-conductivity fibers and elastic macromolecules are introduced between graphene sheets which are arranged in an oriented mode, and the graphene sheets form a bent structure on the surfaces of the fibers under the action of pressure; graphene and high-heat-conduction fibers are firmly combined through elastic macromolecules, the compression resilience capacity is improved, physical crosslinking is formed between bent graphene sheets through pi-pi conjugation, and therefore the material with a heat conduction framework and an elastic microstructure is constructed. And then cutting along the direction perpendicular to the graphene sheets to obtain the interface material containing the bent graphene sheets and the high-thermal-conductivity fibers, so that the material has high vertical thermal conductivity, high horizontal thermal conductivity and high compression ratio.

The invention relates to the technical field of production of automobile roofs, and particularly discloses a fiber-reinforced thermoplastic composite automobile interior ceiling and a preparation method thereof. A fiber-reinforced thermoplastic composite material automotive interior ceiling comprises a base material and a fabric, and the base material sequentially comprises a bottom layer non-woven fabric, a first adhesive film, a blend fiber felt and a second adhesive film from bottom to top; the blend fiber felt is made of reinforced fibers and thermoplastic fibers through a non-woven process. The preparation method comprises the following steps of: preparing the base material by a dry method, forming the framework and compounding the fabric by using a set of mold to obtain a ceiling prototype, and then punching by using a cold mold and integrally curling and covering the base material and the fabric of the skylight opening to obtain the ceiling. The automobile interior ceiling made of the fiber-reinforced thermoplastic composite material has excellent dimensional stability and is more low-carbon and environment-friendly, and raw material leftover materials generated in the production process and products produced after the life cycle is ended are easy to recycle.

The present disclosure provides embodiments of a method a reinforced porcelain panel product for renovations or new constructions. In an embodiment, a method includes applying an adhesive to a top surface of a structural core board that includes a foam-core material. Further, the method continues with abuttingly contacting the structural core board to a bottom surface of a porcelain slab with the adhesive such that regions of the structural core board substantially extend beyond outer peripheries of the porcelain slab to define buffer regions, thereby to allow the buffer regions to be visible and to enhance protection from cracking when the reinforced porcelain panel product is handled. Additional features include the bottom surface of the structural core board having a second surface area larger than the first surface area of the porcelain slab and a fracture toughness greater than the porcelain slab.

The present disclosure provides composite ion exchange membranes and methods of making the same. The composite ion exchange membranes of the present disclosure include a first layer comprising a first ion-conducting membrane; a second layer comprising a gas-blocking membrane; and a third layer comprising a second ion-conducting membrane.