450 results about "Thermal bonding" patented technology

Disclosed are a high-barrier inflatable cushion and a preparation process therefor, which related to the technical fields of high-barrier inflatable cushions. The preparation process includes the following steps: material feeding, heating, vacuum counter-pressure molding, spray cooling, air cooling and drying, die-cutting, and thermal bonding. The high-barrier inflatable cushion comprises an airbag forming material and an airbag base material. The airbag forming material is prepared by laminating a TPU-EVOH composite with Lycra fabric, the TPU-EVOH composite has a total thickness of 0.4-0.8 mm, and the Lycra fabric has a gram weight of 150-230 g / m2. The airbag base material is prepared by laminating the TPU-EVOH composite with non-woven fabric, the TPU-EVOH composite has a total thickness of 0.1-0.3 mm, and the non-woven fabric has a gram weight of 60-80 g / m2.

The invention relates to a hot laminating device for a die cutting material, and belongs to the technical field of hot laminating of materials, the hot laminating device for the die cutting material comprises a rack and a mounting rack arranged on the rack, the mounting rack is used for mounting a common pressing roller and a heating pressing roller, the rack is provided with a plurality of supports, and the supports are arranged on the rack. The supports correspond to the material belts entering the position between the common pressing roller and the heating pressing roller in a one-to-one mode, the supports are provided with abutting rollers used for abutting against the corresponding material belts, the supports are provided with extrusion rollers in a sliding mode, and the abutting rollers and the extrusion rollers are located on the two opposite sides of the corresponding material belts respectively. The support is provided with an elastic piece used for driving the extrusion roller to slide in the direction close to the corresponding abutting roller, the support is provided with a distance measuring instrument used for measuring the distance between the abutting roller and the extrusion roller, and the distance measuring instrument is electrically connected with an external controller. The device has the advantages that the applied pressure can be conveniently adjusted according to the thickness of the material belt, and the hot laminating effect can be guaranteed.

The purpose of the present invention is therefore to provide a thermally conductive composite tape which is in a form of sheet and, therefore, easy to handle, excellent in strength and electrical insulation, easily stick to an element or heat release-member, and shows strong adhesion to the heat-release member. The present invention provides a thermally conductive composite comprising a first thermally conductive adhesive layer, a reinforcing layer (A) layered on one surface of the first thermally conductive adhesive layer, and a second thermally conductive adhesive layer layered on a free surface of the reinforcing layer (A), wherein the first and second thermally conductive adhesive layers comprise, independently of each other, a silicone composition comprising the following components (a) to (e): 100 parts by mass of (a) linear or branched organopolysiloxane, 1,000 to 3,000 parts by mass of (b) thermally conductive filler, 100 to 500 parts by mass of (c) silicone resin, 1 to 10 parts by mass of (d) organohydrogenpolysiloxane, and 0.5 to 5 parts by mass of (e) organic peroxide.

The present invention relates to a plastic sandwich panel (1) comprising a core layer (2) and two cover layers (3, 3') arranged on both sides of the core layer (2), each made of a cover layer polymer material, wherein the core layer (2) is formed of a foamed core layer polymer material, and the core layer polymer material and the cover layer polymer material are each formed of a polyester material and comprise at least 80 wt.% of the same base polymer type. Furthermore, the present invention relates to a method for producing such a plastic sandwich panel (1), wherein the two cover layers (3, 3') are each thermally bonded to one side of the core layer (2), preferably using a double-belt press.

Disclosed are a separator for a lithium secondary battery and a lithium secondary battery comprising same. The separator for a lithium secondary battery comprises: a porous substrate; and a coating layer disposed on at least one side of the porous substrate, wherein the coating layer contains heat-resistant organic particles, an organic heat-resistant binder, and an organic adhesive binder, wherein the heat-resistant organic particles have a thermal decomposition temperature of 150° C. or higher and a particle diameter of 100 nm to 300 nm, the organic heat-resistant binder is a first organic material having a glass transition temperature of 130° C. to 200° C., the organic adhesive binder is a second organic material having a glass transition temperature of −40° C. or lower, and the mixing weight ratio of the organic heat-resistant binder and the organic adhesive binder is 7:3 to 9:1.

The invention discloses a preparation method of a composite core body with a multi-layer gradient structure. The preparation method comprises the following steps: preparing a conducting layer by carding first fibers into a net; the diversion layer is prepared by carding a mixed raw material of 30-40% of SAF fibers and second fibers into a net; 50-60% of mixed raw materials of SAF fibers and third fibers are adopted and carded into a net, and the fiber net is subjected to disorder treatment through a high impurity roller to prepare the absorption layer; the diameter of the first fiber is larger than that of the second fiber; the conducting layer, the flow guide layer and the absorption layer are laminated and combined from top to bottom and then are compounded into an integrated structure core body by adopting a mechanical reinforcement, chemical reinforcement or thermal bonding reinforcement method; and the SAF fibers in the absorption layer are pretreated by adopting plasma. The composite core body adopts the full-fiber absorption layer, so that the granular sensation is reduced and the hand feeling is improved; needling compounding is adopted, a three-dimensional net-shaped structure is formed among all the layers, the flow guide and absorption speed is increased, and the modified SAF fibers can effectively lock moisture and reduce back seepage.

The invention relates to the field of packaging, in particular to a polyolefin material for a film with soft surface performance as well as a preparation method and application of the polyolefin material. The polyolefin material is in a film shape and comprises three layers from outside to inside: a surface layer is a modified heat-resistant layer and is composed of polypropylene homopolymer resin and a polypropylene modification additive; the middle layer is a supporting layer and consists of homo-polypropylene resin and polypropylene homo-polypropylene resin; and the inner layer is a thermal bonding sealing layer and consists of polypropylene copolymer resin, an n-butenyl olefin copolymer and an additive. Through special functional formula design and a multi-layer co-extrusion casting processing technology, the polyolefin film which is good in ductility and particularly suitable for irregular article film covering requirements is obtained, and the problems that an existing BOPP or BOPET material pre-coating film is large in rigidity and poor in ductility, and the attaching effect is poor during irregular article film covering can be solved.

The utility model discloses a high thermal conductivity graphene radiating fin, which comprises a radiating fin body, the radiating fin body comprises a grid silver sheet, a silica gel heat conduction bonding layer and a graphene body, the top surface of the grid silver sheet is fixedly connected with the silica gel heat conduction bonding layer, the top surface of the silica gel heat conduction bonding layer is fixedly connected with the graphene body, and the top surface of the graphene body is fixedly connected with the silver sheet; the grid silver piece is movably connected to the top face of the mounting base, a plurality of rack grooves are formed in the two sides of the mounting base, a plurality of racks are slidably connected into the rack grooves, one ends of the racks are fixedly connected with a plurality of first clamping plates, and the first clamping plates are connected with the cooling fin body in a clamped mode. The grid silver sheets are additionally arranged on the upper portion and the lower portion of the graphene body, the strength of the cooling fin body is enhanced through the silver sheets, the overall strength of the cooling fin body is enhanced, the risk of damage is reduced, the cooling fin body can be conveniently fixed to a mounting base through cooperation of components, the cooling fin body and other cooling components can be conveniently mounted and dismounted, and the cooling fin is convenient to use. The use by workers is convenient.

The invention discloses a preparation process of a modified non-woven fabric produced by utilizing recycled PP meal box broken pieces, and belongs to the technical field of non-woven fabrics, the process comprises the following steps: firstly, sorting, cleaning and screening the recycled PP meal box broken pieces, and then mixing the recycled PP meal box broken pieces with a modification enhancer for later use; conveying the prepared raw materials to a screw extruder by adopting a spiral feeder, and carrying out melt extrusion; extruding the melt through a spinneret plate, carrying out spinning molding, cooling and solidifying the fiber through a cooling device, and laying to form a continuous fiber net; finally, the fiber net is reinforced in a drafting and heat bonding mode, the non-woven fabric with the needed physical performance is formed after net laying, and heat treatment and calendaring treatment are conducted. According to the preparation process, the waste PP meal box is effectively utilized, the use of original PP is reduced, the production cost is reduced, meanwhile, the environmental pollution is reduced, and the preparation process has remarkable economic and social benefits.

The present invention relates to an adhesive composition for a polyester tire cord, a method for preparing a polyester tire cord, and a tire cord comprising the same, according to the present invention, when the polyester tire cord is prepared, the adhesive composition can be used for manufacturing a polyester tire cord, according to the present invention, the binding force between polyester fibers and a first treatment liquid can be increased by treating with the first treatment liquid containing a salt containing an anionic functional group, and then the crosslinking density can be increased by treating with a second treatment liquid containing an isoprene rubber latex, thereby not only having excellent high-temperature adhesive force, but also having excellent water resistance. And no harmful substances are used, so that the environment-friendly property is realized. In addition, uniform adhesion of the processing liquid is achieved by minimizing the influence caused by the external environment, thereby reducing the manufacturing manufacturability and the production cost. The polyester tire cord prepared as above can exhibit high heat-resistant adhesive force, rubber coverage, and excellent heat resistance characteristics.

The present application relates to the technical field of nonwoven materials, and in particular to a composite nonwoven material and a preparation method therefor, and a device for preparing the composite nonwoven material. According to the present application, the provision of upper and lower fiber web layers is conducive to subsequent thermal bonding, thereby greatly improving the overall strength of a dry / wet fiber web, increasing tensile strength, reducing the occurrence of structural tearing, and greatly reducing the linting rate during use. In the present application, mixed spray layers are formed by blending cellulosic fibers and polymer filaments, wherein the cellulosic fibers impart excellent hydrophilic performance and softness to the nonwoven material; and an absorbent core layer greatly improves the water absorption rate and water absorption capacity of the material. The composite nonwoven material provided by the present application has good mechanical properties, excellent water absorption and wear resistance, and relatively low linting properties.

The invention discloses a novel composite material thermal bonding test method and device, the device comprises a vacuum nitrogen charging clock control type heating box and a detachable portable hot pressing plate, the detachable portable hot pressing plate comprises an upper pressing plate and a lower pressing plate, the bottom of the upper pressing plate is provided with an upper boss, and the bottom of the lower pressing plate is provided with a lower boss; according to the invention, the influence of oxygen, moisture, instant temperature difference and the like on the EAA welding process is effectively eliminated, the accuracy of a test result is ensured, multiple samples can be tested at the same time, the working efficiency is improved, the resource consumption and related waste are reduced, and the test equipment cost and the space resource occupation of a test room are reduced; the four-point self-locking device reasonably and effectively controls the timely tracking and adjustment of the pressure of the EAA hot melt adhesive during hot melting in a low-pressure area, eliminates the defect that the conventional equipment still keeps the constant pressure or has no pressure tracking during the hot-pressing process melting period, and controls the waste gas to escape and fill the experiment space in the test process. The harm of waste gas to a human body is controlled.

The invention discloses a high-performance aramid fiber composite conductive fiber as well as a preparation method and a preparation system thereof. The preparation method comprises the following steps: S1, preparing a PU melt-blown preform; s2, preparing a liquid metal mixed solution; s3, pouring the liquid metal mixed solution into the PU melt-blown middle layer while preparing the PU melt-blown middle layer; s4, the PU melt-blown middle layer and the aramid fiber core-spun yarn are subjected to heat bonding, and the aramid fiber composite conductive fiber is obtained. The fireproof and heat-insulating conductive fiber has the beneficial effects that the fireproof and heat-insulating performance of the conductive fiber is improved while excellent conductivity and ductility are achieved, and the fireproof and heat-insulating conductive fiber can meet the requirements of various places for different functions.

A separator for a rechargeable lithium battery, the separator includes a substrate; a heat resistant layer on the substrate; and an adhesive layer on the heat resistant layer, wherein the heat resistant layer includes inorganic particles, and a salt-based heat resistant binder, the adhesive layer includes a PVdF first adhesive binder, and a cyano group (—CN)-containing acrylic second adhesive binder.

The present invention relates to (i) a thermally bonded sheet of nonwoven flash-spun plexifilamentary fibrils exhibiting high tensile strength and a high degree of softness, (ii) a process for the preparation of a bonded sheet of nonwoven flash-spun plexifilamentary fibrils, and (iii) a multilayer sheet structure and an article comprising the bonded sheet of nonwoven flash-spun plexifilamentary fibrils.

The utility model discloses a cursor-free positioning printing and fixed-length cutting type acupuncture needle bagging and manufacturing device, and belongs to the technical field of acupuncture needle packaging. According to the cursor-free positioning printing and fixed-length cutting-off type acupuncture needle bag, the transparent plastic film and the breathable paper are fixedly connected in a heat sealing mode through the heat sealing mechanism to form a series-connection packaging bag, then the fixed-length packaging bag length for cutting off of the cutting-off mechanism is drawn out through the fixed-length drawing mechanism, and the packaging bag length is set according to the length of an acupuncture needle. And the cut-off mechanism cuts off the length of the fixed-length packaging bag. The periodical printed pattern layer is printed on the back face of the breathable paper, printed color blocks are not needed for identification, cursor positioning is not needed when the periodical printed pattern layer is cut off, and therefore the packaging and manufacturing cost is reduced.

The utility model relates to the technical field of pearl wool processing, in particular to pearl wool heat sealing equipment which comprises a working table, a heating table is installed at the top end of the working table, first pearl wool and second pearl wool are arranged on the two sides of the heating table respectively, and a pressing roller is installed at the top of the end, close to the second pearl wool, of the working table. Through a pressing roller installed at the top of second pearl wool, when a cotton taking piece is moved away, the height of the pressing roller can be adjusted through an electric push rod, through a moving groove formed in the top end of a workbench, a mounting frame can be driven to move along the moving groove under the transmission action of a motor, a lead screw and a moving base, and rolling of the two layers of pearl wool is facilitated; and through the telescopic rods mounted between the pressing rollers and the mounting plates, the heat sealing effect on the pearl wool can be enhanced under the elastic action of the springs, the heat sealing quality of the two layers of pearl wool is prevented from being affected, and the heat sealing efficiency of the pearl wool is improved.

The present invention relates to a container bag equipped with an inner liner that maintains its rectangular shape and functions to stand upright, made of a material capable of waterproofing, for stacking a large number of container bags in a narrow space. In particular, the invention relates to an inner liner of a container bag that minimizes shrinkage deformation or failure of the sealing part during thermal bonding between the side wall of the inner liner and the reinforcing material, and improves tensile strength to minimize the phenomenon of noise caused by the load of contents.

The present disclosure relates to a sheet processing system allowing a user to easily remove a sheet from a sheet pressure bonding unit when a jam occurs. A control method for the sheet processing system includes conveying a sheet, pressurizing, for a predetermined time, a plurality of conveyed sheets by a pressurizing unit, detecting an occurrence of a jam of the conveyed sheet or sheets, and controlling the pressurizing unit to release a pressurized state by the pressurizing unit even if the predetermined time has not elapsed in a case where the occurrence of the jam is detected while the plurality of sheets is being pressurized.

The invention provides a self-powered self-temperature-control heating fabric and a preparation method thereof, and solves the technical problems that a resistance wire in an existing heating fabric needs to depend on an external power supply for heating, the resistance wire is compounded with a fabric, the softness and comfort of the fabric are sacrificed although the fabric is portable, and the thickness is difficult to reduce. The heating fabric comprises a self-powered layer fabric, the self-powered layer fabric is a flocked fabric-based friction nano generator and is provided with fluff and a conductive fabric from top to bottom, and the fluff is longitudinally distributed and connected to the upper surface of the conductive fabric; the invention also provides a preparation method of the self-powered self-temperature-control heating fabric, which comprises the following steps: respectively preparing the self-powered layer fabric, the self-temperature-control heating layer fabric and the heat-conducting layer fabric, and sequentially laminating the self-powered layer fabric, the self-temperature-control heating layer fabric and the heat-conducting layer fabric from top to bottom, thermally bonding and compositely connecting the self-powered layer fabric, the self-temperature-control heating layer fabric and the heat-conducting layer fabric; the fabric can be widely applied to the technical field of heating fabrics.

Integrated circuit ("IC") structures and electronic packages that utilized an inorganic-convertible polymer to improve bond strength and thermal conductivity are described. In one embodiment, the inorganic-convertible polymer acts as a side fill material to seal a die periphery and improve direct bonding strength. In another embodiment, the inorganic-convertible polymer acts as a thermal bonding layer to increase the thermal conductivity between a die and a thermal solution.

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.

A mattress includes a first layer, a second layer, and a third layer having a substantially arch shape. The third layer includes a first portion extending in a longitudinal direction from a location proximate to a first longitudinal end towards a second longitudinal end and completely embedded, in a vertical direction, inside the first layer. A second portion extending in a longitudinal direction from the first portion towards the second longitudinal end and at least a part of a length of the second portion is completely embedded, in the vertical direction, inside the second layer. The third layer includes one of a plurality of coils arranged in a grid pattern, a plurality of cavities arranged in a grid pattern, a non-woven thermoplastic sheet having heat bonded strands, or a woven thermoplastic sheet having heat bonded strands.

The invention discloses a multi-layer dissimilar material thermal bonding method based on SiO2 thin film interlayer assistance. The method comprises the steps that S1, cutting and annealing destressing treatment are conducted on an Nd: YAG substrate and a cooling fin which need to be bonded; s2, finely regulating and controlling the surface shape and the roughness of the crystal bonding surface of the processed Nd: YAG substrate and the radiating fin to ensure that the bonding surface is flat and smooth; s3, the Nd: YAG substrate and the cooling fin which are subjected to grinding and polishing are cleaned; s4, the two sides of the cleaned Nd: YAG substrate are plated with SiO2 thin films; s5, gently attaching the coated Nd: YAG substrate and the cooling fin at room temperature by using Van der Waals force to complete primary optical cement; and S6, carrying out heat treatment on the Nd: YAG substrate and the cooling fin which are subjected to primary optical cement to obtain the multi-layer dissimilar material thermal bonding gain medium. According to the method, bonding is assisted through the SiO2 thin film intermediate layer, and the bonding stress caused by mismatching of thermal expansion coefficients during thermal bonding of multiple layers of dissimilar materials can be eliminated.

Embodiments of the present disclosure are directed towards thermally bonded articles including a polyethylene filament material and a multilayer backing material, where the polyethylene filament material is thermally bonded to the multilayer backing material.

According to various embodiments, an electronic component comprises: a housing including a synthetic resin injection part and a first metal member; a second metal member supported by the housing and including a first portion that is thermally bonded to at least a portion of the first metal member and a second portion that is electrically connected to the first portion; and at least one bonding portion in which at least a portion of the first metal member and at least a portion of the first portion of the second metal member are thermally bonded, wherein the synthetic resin that forms the synthetic resin injection part includes plant-derived polyamide and semi-aromatic polyamide, and the synthetic resin injection part may include at least one contact area in contact with the at least one bonding portion. Various other embodiments may be possible.

The application discloses an electrochemical device and a diaphragm thereof. The diaphragm of the electrochemical device comprises a base film and a coating layer formed on two side surfaces of the base film. The coating layer comprises a ceramic coating layer and a thermal bonding coating layer. The ceramic coating layer and the thermal bonding coating layer formed on the same side of the base film do not coincide with each other. The thermal bonding coating layer formed on one side of the base film does not coincide with the projection of the thermal bonding coating layer formed on the other side of the base film on the base film. After the diaphragm is hot-pressed with an electrode sheet, the electrode can be effectively fixed, so that the production efficiency of a laminated sheet preparation battery cell process is improved. Meanwhile, the diaphragm also has the advantages of low air permeability, high conductivity, simple production process and the like.

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.