357 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 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 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 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.

The wide-mouth bottle sealing machine reliable and efficient in sealing comprises a sealing mechanism, the sealing mechanism comprises a hot-pressing assembly, a film cutting assembly and a lifting assembly, and the hot-pressing assembly comprises a hot-pressing table, a hot-pressing head located below the hot-pressing table, a hot-pressing telescopic piece and a hot-pressing connecting column; the hot-pressing telescopic piece is an elastic telescopic piece and is positioned between and connected with the hot-pressing head and the hot-pressing table; the upper end of the hot-pressing connecting column penetrates through the hot-pressing table and is in vertical sliding connection with the hot-pressing table; the film cutting assembly comprises a film cutting knife and a film cutting table located below the hot pressing table. A film cutting through opening is vertically formed in the film cutting table, and the upper end of the film cutting knife is fixed in the film cutting through opening; the lower end of the hot-pressing head penetrates through the film cutting through opening and is lower than the lower end of the film cutter, and the height difference is D; the compressible amount of the hot-pressing telescopic piece is larger than D. Heat bonding and cutting of the sealing film are completed at the same station and under the same driving step, the sealing effect is reliable, the equipment structure is compact, the occupied area is reduced, and the production efficiency is improved.

Multi-layer films include a transparent top layer article with at least 2 layers, an outermost film and a support film. The outermost film is a polyolefin-based layer and the bottom film is a support film that is transparent and has a pencil hardness of at least B. The outermost surface of the top layer article has a pencil hardness of at least 2B and is a structured surface with a plurality of protrusions. For increased scratch resistance, the polyolefin-based layer includes a nucleating agent. The top layer article may include a second polyolefin-based layer disposed on the support film. The multi-layer film may include additional layers. These layers include a heat-activated first adhesive layer in contact with the top layer article, a color layer in contact with the first adhesive layer, a thermally adherable thermoplastic resin layer in contact with the color layer, a second adhesive layer in contact with the thermally adherable thermoplastic resin layer, the second adhesive layer and a release liner on the second adhesive layer.

The present invention discloses a method for batch preparation of an ultra-flat graphene electron microscope support film, which belongs to the field of materials. The method of the present invention comprises: utilizing an electrochemical stripping method to separate graphene from a pre-oxidized copper metal growth substrate, and transferring the result to a polymer composite medium; then utilizing a solvent thermal bonding method to conformally bond the graphene supported by the polymer film to an electron microscope grid, and removing the polymer medium to obtain the graphene grid. The method of the present invention has a simple process, high repeatability, strong compatibility, and can be prepared and produced on a large scale. The graphene support film prepared by the method of the present invention has an integrity of up to 90%, and the graphene in the suspended holes of the grid has the characteristics of ultra-flatness and good cleanliness.

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.

The embodiments disclose a fire retardant barrier fabrication process comprising adhering a first layer comprising a metalized film to a second layer comprising a heat treated aluminized fiberglass cloth, spreading a heat resistance adhesive between the first layer metalized film and the second layer heat treated aluminized fiberglass cloth, adhering a third layer comprising intumescent paper to a back side of the heat treated aluminized fiberglass cloth with a polyurethane adhesive, applying a heat resistance adhesive to a fourth layer material comprising a second metalized film, adhering the fourth second metalized film to the third layer intumescent paper, and wherein the adhered first, second, third, and fourth layers form a multi-layered fire-resistant barrier laminate configured to be applied to building materials.

Provided is a display device including a display module in which a folding region and first and second non-folding regions facing each other and a heat dissipation sheet disposed on one surface thereof. The heat dissipation sheet includes a first heat dissipation adhesive layer including a first adhesive portion overlapping the first non-folding region and a second adhesive portion overlapping the second non-folding region, a second heat dissipation adhesive layer including a third adhesive portion overlapping the first adhesive portion and a fourth adhesive portion overlapping the second adhesive portion, a heat dissipation layer including a first heat dissipation portion disposed between the first adhesive portion and the third adhesive portion and a second heat dissipation portion disposed between the second adhesive portion and the fourth adhesive portion, and an auxiliary adhesive layer including a first auxiliary adhesive portion disposed between the first adhesive portion and the third adhesive portion.

The utility model provides a flexible organ type protective cover. The flexible organ type protective cover comprises an organ type framework. The organ-type framework is formed by bending a flexible plate through a cold machining process, a connecting end part is arranged on the organ-type framework at the bent end part, and the connecting end part is fixedly connected with the armor sheet, so that the connection of the organ-type framework and the armor sheet is realized, and the organ-type protective cover is formed. According to the utility model, the flexible plate is bent to form the organ type framework by adopting a cold processing technology, and a traditional thermal bonding or high-frequency welding manufacturing mode is replaced, so that the condition of damage caused by thermal deformation can be prevented. In the manufacturing process of the flexible organ-type protective cover, multiple sets of processes such as gluing, plate heating and high-frequency welding do not need to be adopted, the production process requirements of the flexible organ-type protective cover are met, the working hours are saved by 60%, the cost is reduced by more than 50%, meanwhile, the quality of the flexible organ-type protective cover can be guaranteed, and the service life of the flexible organ-type protective cover can be prolonged.

The invention relates to a polymer blend for electrostatic spinning, a degradable microfiber filtering material and a preparation method and application thereof. The polymer blend for electrostatic spinning comprises a polymer and a plasticizer, and the plasticizer is a hyperbranched polymer. In the electrostatic spinning process, through addition of the hyperbranched polymer and spinning process control, the high-efficiency and low-resistance microfiber filtering material which is free of thermal bonding among fibers, has a fluffy three-dimensional network structure and has certain mechanical properties is prepared. The preparation process is simple, the preparation of the microfiber filtering material can be realized under relatively low spinning voltage, and the safety and the economical efficiency of the spinning process are improved; the filtering material has a wide application prospect in the fields of masks, protective clothing, operating gowns, air purification, especially high-efficiency air filtration under the action of a certain external field force.