44 results about "Thermal bonding" patented technology

The utility model relates to the technical field of fabric splicing, and disclose a kind of anti-deviation compression mechanism of fiber fabric splicing forming, including presser bar seat, the top of presser bar seat is provided with presser bar main body, the top of presser bar seat is provided with workbench, the side of workbench is provided with anti-deviation compression assembly, the utility model is provided with anti-deviation compression assembly on presser bar seat, wherein the compression of anti-deviation compression assembly Resisting contact board is rotatably arranged on the top of limiting sliding block by rotating connecting shaft, and limiting sliding block is slidably inserted in limiting sliding slot, so that the position adjustment of compression Resisting contact board on the top of workbench is more convenient, the two sides of rotating connecting plate are fixed by fastening screw cap on fastening screw rod, effectively prevent the possibility of fiber fabric from deviating during splicing, so that fabric heat bonding is more stable, and the device can quickly complete the compression of fabric splicing, meet the processing needs of user.

A lid material 30 for sealing a containing portion 21 of a containing container 20, the lid material including: a base layer 35; a circuit pattern 32 provided on the base layer 35 and having a wiring path configured to be broken when the containing portion is opened; a resin layer 37 covering the circuit pattern 32 from a side opposite the base layer; and a heat adhesive layer 31 configured to be heat-adhered to the containing container 20. The wiring path is provided with a terminal portion configured to be connected to an external device 40 for detecting the breakage. The resin layer 37 is divided into a first region 37A1 covering the terminal portion and a second region 37A2 covering a portion other than the terminal portion. A thickness T2 of the second region 37A2 of the resin layer 37 is greater than a thickness T1 of the first region.

The present invention relates to a high heat-resistant resin composition for local fire extinguishing and a high heat-resistant binder for local fire extinguishing and, more particularly, to a high heat-resistant resin composition for local fire extinguishing and a high heat-resistant binder for local fire extinguishing, in which, when a fire occurs, not all fire-extinguishing agents in the composition are exhausted, but only fire-extinguishing agents at an area where the fire has occurred perform a fire-extinguishing action, enabling a sustained response to ongoing fires and, at the same time, enabling efficient and excellent fire-extinguishing performance.

Wipers are disclosed formed from two, three, or more fibrous sheets. The fibrous sheets or plies are attached together by embossing a pattern into opposite sides of the product such that at least some of the embossments on one side align with at least some of the embossments on the opposite side. The resulting wiper includes outer layers primarily made from polymer synthetic fibers and a middle layer comprised primarily of cellulose fibers, such as cellulose pulp fibers. The wipers can be formed without any thermal bonding or ultrasonic bonding and can be formed without containing any polyester fibers. The wipers have demonstrated excellent oil absorbency.

Provided is a composite sheet material having a first layer and an airlaid nonwoven layer overlying the first layer wherein the airlaid nonwoven layer includes a blend of bamboo derived staple fibers and non-cellulose staple fibers, and in which the airlaid nonwoven layer includes a first surface disposed towards, and thermally bonded, to a surface of the first layer, and a second surface defining an outer surface of the composite sheet material.

This invention discloses a breathable, antibacterial, and alcohol-resistant medical nonwoven fabric and its preparation method, relating to the field of nonwoven fabric technology. The breathable, antibacterial, and alcohol-resistant medical nonwoven fabric includes a skin-friendly layer, a breathable layer, and a functional layer. The breathable layer is disposed between the skin-friendly layer and the functional layer. The skin-friendly layer, breathable layer, and functional layer are thermally bonded together as a whole. The functional layer is obtained by spraying an antibacterial liquid onto the surface of a base fabric and then impregnating it with a fluorinated finishing liquid. This invention, by setting a three-layer structure of skin-friendly layer, breathable layer, and functional layer, and by treating the functional layer with antibacterial and alcohol-resistant properties to give it excellent antibacterial and alcohol-resistant properties, and by mechanically perforating the breathable layer to achieve a breathable effect, finally obtains a composite nonwoven fabric through thermal bonding. The resulting composite nonwoven fabric has a good feel, is skin-friendly, and dry, while also possessing excellent breathability, antibacterial, and alcohol-resistant effects.

This application relates to composite nonwoven fabrics with improved pilling resistance through the use of thermal bonding. Aspects herein relate to composite nonwoven fabrics suitable for use in garments and other pilling resistant articles. The composite nonwoven fabric can be finished by applying one or more of a chemical binder to a first face of the composite nonwoven fabric and forming thermal bond sites. The chemical binder and thermal bond sites help to secure fiber ends and minimize the formation of fuzz balls.

The scheme discloses a SOP8L power device packaging structure and a preparation method thereof. The packaging structure comprises the following steps: a reverse cutting structure is designed for a lead frame, so that the carrier frame is located at the top area of the package after packaging is completed; a top insulating heat dissipation structure is arranged on the carrier frame and the back surface of the semiconductor chip at the top of the package; a whole drain pad is formed by a plurality of pins at the bottom of the package, and a through hole is arranged on the drain pad; a target pin connected to the gate of the semiconductor chip is a composite structure comprising a gull wing structure and a straight insertion structure; and the top insulating heat dissipation structure, the drain pad and the pin area of the package are not packaged. The packaging structure does not need to use compressible thermal bonding materials, realizes stable and predictable low-thermal-resistance heat dissipation through the top insulating heat dissipation structure, and cooperates the reverse cutting frame and the riveting pad to improve the mechanical reliability of the package.

The application discloses a kind of drip-proof flame-retardant films and its manufacturing method, belong to plastic film field.The drip-proof flame-retardant film includes: composite flame-retardant polyester film base film, at least one surface of the base film is equipped with thermal adhesive layer;The thermal adhesive layer is made of low-melting-point polyester material, the melting point of the low-melting-point polyester material is lower than 150 DEG C;The base film contains flame-retardant component;In the surface of the thermal adhesive layer, there is incombustible fiber layer.The flow ability of molten polyester film is limited under the physical hindering effect of incombustible fiber layer, and the occurrence of dripping phenomenon is effectively prevented.Experimental data show that when fiber length is greater than or equal to 8mm and the amount of addition is greater than or equal to 10 cm / cm 2 , no dripping can be achieved.The phosphorus flame retardant compounded in the base film can effectively inhibit combustion, and the physical barrier effect of the incombustible fiber layer can make the film reach a high flame-retardant grade.

The application provides an antibacterial and mildew-proof automobile sound-absorbing cotton made of high-performance polypropylene fibers and polyethylene terephthalate fibers and a preparation method thereof, comprising the sound-absorbing cotton, which comprises a three-dimensional reticular continuous porous matrix formed by heat bonding of polypropylene fibers and polyethylene terephthalate fibers, and an antibacterial and mildew-proof component is uniformly dispersed in the three-dimensional reticular continuous porous matrix. The application has reasonable design, adopts a double antibacterial structure of "fiber internal blending loading + surface coating strengthening", and is combined with a broad-spectrum antibacterial agent combination such as silver ion loaded zeolite, the antibacterial component is uniformly dispersed and the addition amount is low. Through testing, the sound-absorbing cotton has no mold growth and no mildew smell after being placed in a closed high-humidity environment at room temperature and 40 DEG C for 20 days, completely solves the mildew smell problem of the interior in a humid area, and effectively guarantees the air quality in the vehicle.

The application discloses a micro loudspeaker cavity structure and a manufacturing method thereof. The cavity structure comprises a shell, a rear cavity and a sound emitting unit are arranged in the shell, and an acoustic absorption sheet is attached to the inner wall of the rear cavity. The acoustic absorption sheet is a multilayer composite sheet which is prefabricated by a dry hot-pressing embedding process. The acoustic absorption sheet comprises a core layer which is composed of a polyurethane foam matrix layer with a three-dimensional network open hole structure and acoustic absorption layers attached to two sides of the polyurethane foam matrix layer. The acoustic absorption layers comprise porous acoustic absorption powder and thermal bonding material. After being hot-pressed, the two materials form an interpenetrating anchoring structure at the interface. A self-adhesive bottom layer is arranged on the back of the acoustic absorption sheet, so that the foam is attached to realize rapid assembly. The application fundamentally solves the problem of acoustic particle falling, significantly increases the virtual volume of the loudspeaker in the sub-millimeter level ultra-thin space, effectively suppresses the resonance frequency F0, widens the low frequency bandwidth, and improves the low frequency playback capability of the micro loudspeaker.

This disclosure provides a composite material comprising a mesh, pad, or grid to a nonwoven fiber outer layer, which can be configured for a variety of applications and products. The composite material includes a first mesh layer comprising intersecting filaments and a second layer in contact with the first layer. The second layer comprises a first fiber component and a second fiber component. The melting point of the first fiber component is at least 20 degrees Celsius higher than that of the mesh. The melting point of the second fiber component differs from that of the fibers in the mesh layer by less than 20 degrees Celsius. This allows the second fiber component to be thermally bonded to the mesh at the contact points when heat and pressure are applied. The first fiber component does not substantially undergo thermal bonding with the mesh, thereby forming an outer layer that protects the mesh layer, such as a sheath.

This utility model relates to the field of sewing equipment technology, and in particular to a seamless folding machine, comprising a machine base, a machine housing, an extension plate, a table panel, a lower heat bonding conveyor mechanism, a lower rotation drive mechanism, an upper heat bonding conveyor mechanism, a lifting drive mechanism, and a lifting seat. The upper heat bonding conveyor mechanism includes a swing seat, an upper heating element, an upper heating tape, an upper driving wheel, an upper driven wheel, an upper tensioning wheel, a first elastic component, a second elastic component, and an upper rotation drive mechanism. A folding gap is formed between the upper heating tape and the lower heat bonding conveyor mechanism. A hand-feeding space is formed between the bottom surface of the extension plate, the top surface of the table panel, and the side of the machine housing. The swing seat of this application can adaptively swing and adjust, overcoming the influence of fabric errors or human operation deviations on seamless folding of fabric. It is beneficial to efficiently place the folded fabric into the folding gap without problems such as material jamming, ensuring the quality of seamless folding of fabric and improving the efficiency of seamless folding.

A pouched product adapted for release of a water-soluble component therefrom is provided herein. The pouched product can include an outer water-permeable pouch defining a cavity containing a composition that includes a water-soluble component capable of being released through the water-permeable pouch and has a surface area, wherein the outer water-permeable pouch can include a nonwoven web including a heat sealable binder coating having a melting point of about 300° C. or less. Heat sealable binders having a melting point of about 450° C. or greater are also provided herein.

This invention relates to the field of polypropylene materials, and discloses a polypropylene sheet, a polypropylene fabric, a high-strength and high-impact polypropylene composite material, its preparation method, and its applications. The polypropylene sheet includes a film layer A containing a polypropylene composition A and a film layer B containing a polypropylene composition B. The film layers B on both sides of film layer A may be the same or different. The polypropylene sheet has a BAB layer structure, with film layers B located on both sides of film layer A. Polypropylene composition A includes homopolymer polypropylene a and impact copolymer polypropylene b. Polypropylene composition B includes random copolymer polypropylene x and a thermal bonding reinforcing agent y. The polypropylene composite material obtained by hot-pressing this polypropylene sheet exhibits both excellent tensile and impact properties, and maintains good interlaminar peel strength even at relatively low hot-pressing temperatures.

This application provides an optical chip, a photoelectric conversion module, and related equipment. The optical chip includes a substrate and an optical device. The process of electrically connecting the optical device to the substrate eliminates the need for solder, avoiding random displacement between the optical device and the substrate caused by solder melting, and improving the mounting accuracy of the optical chip. The substrate includes a convex region and a concave region. The concave region is concave relative to the surface of the convex region. The convex region fixes the light transmission medium. Along a direction perpendicular to the bottom of the concave region, the optical device and the concave region have a first bonding layer formed by thermal bonding. The first bonding layer is used to moltenly bond the optical device to the concave region. The optical device has an optical port, which is aligned with the light transmission medium. The optical device is used to transmit optical signals between the optical port and the light transmission medium.

This invention provides a method for preparing an air spring bladder assembly, a mold, and an air spring. The method for preparing the air spring bladder assembly includes the following steps: adhesive coating, material feeding, inner bladder expansion, thermal bonding, pressure holding and cooling, and inner bladder recovery and demolding. Adhesive is coated on the inner surface of the clamping ring. The clamping ring is placed at the positioning surface of the main mold fixture, so that the bottom surface of the bladder contacts and is positioned with the upper plane of the lower seat. Inflation is performed through the inflation pipe at the bottom of the expanding inner bladder fixture. The rubber-cord composite fabric of the inner mesh expands under the internal air pressure and contacts the bladder, causing the bladder to expand until the outer surface of the bladder is bonded to the inner surface of the main mold fixture and the inner surface of the clamping ring, achieving thermal bonding. After pressure holding and cooling, the inner bladder recovers and is demolded. By using the internal inflation of the expanding inner bladder fixture to achieve bonding between the bladder and the clamping ring, the limitations of existing air spring manufacturing techniques are solved.

The various embodiments described herein include aluminum cups and method and materials to form aluminum cups. In one aspect, an aluminum cup includes a cup side wall including an aluminum foil layer, a first polymer layer, and a second polymer layer. The first perpendicular edge of the cup side wall can be heat-bonded to the second perpendicular edge of the cup side wall, bonding the first polymer layer to the second polymer layer.

The utility model relates to the field of plastic processing especially relates to a kind of anti-clumping plastic particle conveying device, including conveying cavity, conveying cavity inside rotation type connection has first spiral frame, the first spiral frame material is conveyed from right to left, the conveying wall right side is equipped with first driving motor, first driving motor output shaft is left orientation setting, first driving motor output shaft with the first spiral frame right side end connection, the conveying cavity right part upper side is equipped with discharging cavity, the discharging cavity top is equipped with two discharging frames symmetrical in front and back, be provided with upper conveying mechanism in the discharging cavity.This utility model effectively breaks up clumped material by the lifting and scattering effect of upper conveying mechanism, and combines the forced cooling mechanism to prevent thermal bonding, fundamentally prevent blockage, and multiple mechanisms work together to ensure the continuity and stability of conveying, significantly improve production efficiency and product quality.

Title of the invention: Insulating panel comprising structural fibers and thermally bonding fibers. The present invention relates to an insulating panel comprising an interweaving of structural fibers (2, 6, 8) and thermally bonding fibers (4), the thermally bonding fibers (4) being formed of a sheath and a core, the core and the sheath being formed of two distinct materials each having a distinct melting point, the core having a diameter of at most 11 µm. (Figure 1)

This invention relates to the field of shale oil and gas reservoir research technology, specifically to a method for fabricating a capillary model for studying the wetting regulation of shale oil reservoirs. The method includes the following steps: mask fabrication, glass slide cleaning, chromium-coated topcoat spraying, pre-baking (hardening), exposure, development, hardening, chromium layer etching, glass slide etching, topcoat and chromium removal, thermal bonding, and wettability modification. By preparing capillaries with micron-nanometer diameters and modifying their wettability, capillary models with an aspect ratio of approximately 1:2, etching precision of 500 nm, and maximum pressure resistance of 10 MPa can be fabricated. Combined with a microfluidic image acquisition module and pressure acquisition module, the fluid flow patterns within the non-uniform wetting micropores of the reservoir can be visualized for research.

The application discloses a method for realizing thermal bonding of a polymer micro-fluidic chip based on thin film assisted thermal bonding, which comprises the following steps: polymer injection molding is used to prepare a base sheet and a cover sheet of the micro-fluidic chip; after the base sheet and the cover sheet are cleaned, the cleaned base sheet and the cleaned cover sheet are obtained; a layer of thin film is covered on the surface of the cleaned cover sheet to obtain a pretreated cover sheet; the thin film is made of the same material as the base sheet and the cover sheet, and the glass transition temperature of the thin film is lower than that of the cover sheet; the cleaned base sheet and the pretreated cover sheet are aligned on a hot press to complete thermal bonding, and a micro-fluidic chip is obtained; the thermal bonding temperature is higher than the glass transition temperature of the thin film and lower than the glass transition temperature of the cover sheet. The same polymer with different glass transition temperatures is used in the application, and when thermal bonding is performed, the thin film enters a high-elastic state, and the base sheet and the cover sheet are still in a glass state, so that small deformation thermal bonding of the micro-fluidic chip is realized, and the consistency of the bonding interface is ensured.

This invention discloses a glue-free thermally composite aluminum honeycomb panel and its preparation process, belonging to the field of aluminum honeycomb panel manufacturing technology. The panel is formed by the high-temperature hot-pressing micro-fusion of an aluminum alloy panel and an aluminum honeycomb core into an integrated structure, without the use of organic adhesives. The preparation process includes steps such as surface activation of the panel and honeycomb core, precise lamination, high-temperature and high-pressure thermal bonding, and cooling and shaping. The thermal bonding temperature is controlled between 280℃ and 320℃, and the pressure is 3 to 5 MPa. This invention achieves glue-free production of aluminum honeycomb panels. The product has no formaldehyde release, is resistant to high temperatures, anti-aging, has high bonding strength, and is completely recyclable, significantly improving the environmental friendliness and structural stability of the panel. It is suitable for high-end curtain walls, rail transit, shipbuilding, and new energy equipment fields.

A method for processing a single-filament polyethylene terephthalate cord for a reinforcing layer of a pneumatic tire, comprising: (a) an adhesive solution coating step of immersing a single-filament cord in an adhesive solution; (b) a drying step of maintaining a cord coated with an adhesive resin in a drying oven at a temperature of 120 to 180°C; and (c) a heat bonding step of arranging the cord from the drying step in an oven at a temperature of 230 to 260°C for a period of 30 to 90 seconds. During the heat bonding step, a tension of 8 to 12 mN / dtex is applied to the single-filament cord.

This utility model discloses a high-temperature bonding and heating device for fire hoses, including a compression-type heat bonding machine. The compression-type heat bonding machine includes a support platform, a support frame, a hydraulic cylinder, a clamp, and an air pipe. The support frame is fixed on the support platform, the hydraulic cylinder is fixed at the lower end of the support platform and the upper end of the support frame, the clamp is movably connected between the support platform and the support frame, and the air pipe is fixed in a clamp at the upper end of the support platform. A convenient component includes a first support ring, a threaded pipe, a locking rod, a bracket, and a tapered rod. The first support ring is placed at one end of the air pipe, the threaded pipe passes through and is fixed inside the first support ring, the locking rod is screwed into the threaded pipe, one end of the bracket is fixed inside the first support ring, and the tapered rod is fixed at the middle of the other end of the bracket. This utility model solves the problem that when putting a fire hose onto an air pipe, workers need to open the hose end and keep it fully open, which is time-consuming.

The application discloses a plastic OLED thermal bonding type backboard film, a preparation method and an application method thereof. The plastic OLED thermal bonding type backboard film comprises a base material, an adhesive layer and a backing layer. One surface of the base material is bonded with the backing layer through the adhesive layer. The adhesive layer is composed of a dried coating composition, and the coating composition comprises an acrylic adhesive and a melanin resin. Through the specific adhesive layer formula, the backboard film can provide low adhesion at the initial bonding stage to facilitate position adjustment, and quickly change into high adhesion after heat treatment to achieve firm fixation, so that the core process problem of "precise alignment first and stable processing later" in the flexible OLED process is perfectly solved.

This invention discloses a stretchable organic phototransistor based on a stable bulk heterojunction and its fabrication method. The transistor has a bottom-gate-top-contact top electrode structure and, from bottom to top, comprises a stretchable substrate, a stretchable gate electrode, a stretchable insulating layer, a stretchable organic active layer, coplanar stretchable source / drain electrodes, and a stretchable encapsulation layer. This invention uses a mixture of semiconductor polymers and elastomer polymers as the stretchable electron donor and highly photosensitive organic small molecules as the electron acceptor. An organic heterojunction is formed through solution blending to serve as the stretchable organic active layer. All functional layers are fabricated using stretchable materials, and the device is assembled using a thermal bonding transfer method. This phototransistor achieves a balance between stretchability and photoelectric performance, exhibiting not only high carrier mobility and high photoresponse sensitivity but also maintaining stable photoelectric performance under high mechanical stretching deformation.

A process for preparing a modified non-woven fabric produced by recycling PP food container crushed pieces, belonging to the technical field of non-woven fabrics. The process comprises the following steps: first, sorting, cleaning and screening recycled PP food container crushed pieces, and then mixing same with a modification enhancer for later use; next, using a screw feeder to convey the prepared raw materials to a screw extruder for melt extrusion; then extruding a melt by means of a spinneret, performing spinning forming, cooling and solidifying a fiber by means of a cooling device, and forming a continuous fiber mesh after laying; and finally reinforcing the fiber mesh by means of drawing and thermal bonding, forming a non-woven fabric having required physical properties after laying, and performing heat treatment and calendering treatment. Said preparation process effectively uses waste PP food containers, reduces the use of virgin PP, and reduces production costs, while also reducing environmental pollution, and having significant economic and social benefits.