1859 results about "Silicone tape" patented technology

The invention relates to a protective film uncovering process based on corner lifting and rolling cooperation type screen display glass. The protective film uncovering process comprises the following steps: S1, corner lifting; s2, tearing off; and S3, collecting the film. On one hand, through cooperation of the film tearing clamping jaw and the rolling wheel, step-by-step peeling with the rolling position and the peeling position aligned is kept, meanwhile, the angle between the connecting section and the screen display glass is gradually increased on the basis that the connecting section is turned inwards under the condition that the adhesion section is not stressed, the success rate of forming an inwards-turned peeling angle is greatly increased, and the production efficiency is improved. The probability that the film-tearing adhesive tape is separated from the protective film or the corner of the protective film is torn is reduced; on the other hand, the complete tearing rate of the protective film is increased based on the relative movement of the glass and the film tearing clamping jaw, the tearing risk of the protective film is reduced, more labor-saving and faster diagonal tearing is achieved, meanwhile, based on pulling formed by the film collecting clamping jaw and the film tearing clamping jaw and airflow blowing cooperation formed by the film collecting clamping jaw and the film tearing clamping jaw, the completeness of film collecting is improved, and the production efficiency is improved. And the problem that the film tearing adhesive tape is adhered to the film tearing clamping jaw is solved, so that the continuity of peeling off the protective film is improved.

The invention discloses a shielding protection adhesive tape for semiconductor integrated circuit packaging and a preparation method thereof, and relates to the technical field of semiconductor integrated circuit packaging. The shielding protective adhesive tape for packaging the semiconductor integrated circuit is prepared by taking polyimide as a base material and coating a coating, and the coating comprises the following raw materials in parts by weight: 3-5 parts of modified nano silicon dioxide, 30-40 parts of N, N-dimethylformamide, 1-3 parts of a curing agent and 1-3 parts of a curing agent. The invention discloses a high-temperature-resistant epoxy resin coating which is prepared from the following components in parts by weight: 25-30 parts of N, N-dimethylformamide, 25-30 parts of a modified acrylate copolymer, 17-26 parts of ethyl acetate, 12-15 parts of epoxy resin, 1-2 parts of a silane coupling agent KH-550, 0.5-1 part of an antioxidant 1010, 0.3-0.8 part of an ultraviolet absorbent UV-327, 1-2 parts of carboxyl-terminated nitrile rubber, 2-4 parts of decabromodiphenyl ether, 0.1-0.3 part of an organic siloxane defoaming agent, 0.2-0.5 part of an acrylate flatting agent and 10-11 parts of diaminodiphenyl sulfone. The adhesive tape contains the modified nano silicon dioxide, the modified acrylate copolymer and other components, so that the performance of the adhesive tape is guaranteed; pretreatment is meticulous, preparation steps are standard, and mass production is easy; a finished product can be effectively shielded, and the packaging yield and the product stability can be improved.

The invention discloses an insulating tape for a new energy battery and a preparation method of the insulating tape, and relates to the technical field of new energy battery assemblies. The insulating tape for the new energy battery is prepared by coating pretreated glass fiber cloth with a coating, the coating is prepared from the following raw materials in parts by weight: 15 to 20 parts of modified polyimide resin, 2 to 4 parts of epoxy resin E-51, 71 to 77 parts of an ethanol / butanone mixed solvent, 3 to 5 parts of modified nano silicon dioxide, 0.2 to 0.4 part of a silane coupling agent KH-550, 0.1 to 0.3 part of polydimethylsiloxane, 0.1 to 0.2 part of paraffin-based mineral oil and 0.3 to 0.5 part of triethylene tetramine. The glass fiber cloth pretreatment material comprises deionized water and a 5%-8% sodium hydroxide solution. The insulating adhesive tape for the new energy battery contains the modified polyimide resin, so that the high temperature resistance and electrolyte resistance of the adhesive tape can be enhanced, the insulativity is improved, and the modified nano silicon dioxide is good in dispersity. The preparation process is fine, the glass fiber cloth is fully pretreated, the preparation process is standard, and the use requirements of new energy batteries can be met.

The invention discloses a polyurethane protective adhesive tape for aviation and a preparation method thereof, and relates to the technical field of adhesives. When the polyurethane protective adhesive tape for aviation is prepared, polyester glycol, an ultraviolet absorption monomer, 3-(4-pyridyl) pentane-1, 5-diol, 1, 4-butanediol and isophorone diisocyanate are polymerized to prepare polyurethane; the preparation method comprises the following steps: carrying out a reaction on polyurethane and 2-bromoethyl acrylate to prepare modified polyurethane; enabling the pretreated magnesium hydroxide to react with 3-epoxypropoxy-1, 1, 3, 3-tetramethyldisiloxane and ammonia water in sequence, so as to obtain modified magnesium hydroxide; the modified polyurethane and the modified magnesium hydroxide are mixed and then subjected to compression molding to prepare a polyurethane film; and coating a polyurethane film with the polyacrylate glue solution, and drying to obtain the polyurethane protective adhesive tape for aviation. The polyurethane protective adhesive tape for aviation prepared by the invention has excellent flame-retardant, anti-aging, antibacterial and self-repairing properties.

The invention discloses a breathable dotted adhesive tape and a preparation method thereof, and relates to the field of adhesive tapes. The breathable dotted adhesive tape comprises a base material layer and a pressure-sensitive adhesive layer, the base material layer is obtained by weaving blended and intertwined yarns according to honeycomb weave to obtain base cloth and then treating the base cloth through a burnt-out process, the base material layer is provided with a concave area and a convex area, and the porosity of the base material layer is 10-50%; the pressure-sensitive adhesive layers are distributed in a dotted manner, and are only distributed in the concave areas of the base material layer to serve as ventilation channels of the dotted adhesive tape. The breathable point-shaped adhesive tape has good breathability, pasting stability and mechanical strength, normal breathing of skin and water evaporation are guaranteed, and better viscosity and durability can be obtained. In addition, a proper amount of drug sustained-release components can be doped into the pressure-sensitive adhesive layer, the drug sustained-release rate can be regulated and controlled, and the composite material is suitable for the fields of medical dressings and sports protection.

The present invention provides an electrolyte-resistant hot melt tape, which comprises a PET substrate and a rubber hot melt adhesive layer coated on its surface. The rubber hot melt adhesive layer comprises the following components in parts by weight: 60-160 parts of styrene-butadiene rubber, 10-40 parts of maleic anhydride-modified polyolefin, 1-5 parts of epoxy curing agent, 10-40 parts of hydroxyl-terminated liquid polybutadiene, 1-5 parts of polyisocyanate curing agent, and 20-60 parts of rosin tackifying resin. The rubber hot melt adhesive layer of the electrolyte-resistant hot melt tape is tightly compounded with the polar PET substrate. At the same time, the moderate cross-linking between the components of the rubber hot melt adhesive layer can reduce the infiltration of the electrolyte, so that the electrolyte-resistant hot melt tape has excellent bonding strength before and after being immersed in the electrolyte, does not bubble or delaminate, improves the passing rate of the battery drop test, meets the requirements of the lithium battery industry for tape products, and improves the battery safety factor.

The invention provides a fluorine-containing acrylate pressure-sensitive adhesive as well as a preparation method and application thereof, and the fluorine-containing acrylate pressure-sensitive adhesive is prepared from the following raw materials in parts by weight: 30-70 parts of a soft monomer; 10 to 40 parts of a hard monomer; 1-40 parts of a fluorine-containing monomer; 1-10 parts of a functional monomer; 0.1 to 0.3 part of a thermal initiator; 100 to 300 parts of a solvent; the fluorine-containing monomer comprises any one or a combination of at least two of trifluoroethyl acrylate, hexafluorobutyl acrylate, hexafluorobutyl methacrylate, hexafluoroisopropyl acrylate, octafluoroamyl acrylate, dodecafluoroheptyl acrylate, dodecafluoroheptyl methacrylate and tridecafluorooctyl methacrylate. The wafer cutting adhesive tape prepared from the fluorine-containing acrylate pressure-sensitive adhesive provided by the invention has relatively good stripping performance, high temperature resistance and hydrophobicity.

The invention relates to the technical field of adhesive tapes, and particularly discloses a UV (ultraviolet) visbreaking anti-acid adhesive tape for thinning flexible glass and a preparation process of the UV visbreaking anti-acid adhesive tape. A UV viscosity-reducing acid-resistant adhesive tape for thinning flexible glass comprises a base material layer, a pressure-sensitive adhesive layer and a release film layer which are stacked in sequence, and the pressure-sensitive adhesive layer is prepared from the following raw materials: 85-120 parts by mass of an acrylate copolymer, 3-5 parts by mass of a cross-linking agent, 1.5-2.5 parts by mass of a photoinitiator, 2-5 parts by mass of an acid-resistant nano filler and 0.2-0.4 part by mass of an amine catalyst; the acrylate copolymer is prepared from the following raw materials in parts by mass: 20-30 parts of an imidazolinyl-containing monomer, 15-25 parts of a large-steric-hindrance alkyl-containing monomer, 45-55 parts of a flexible monomer and 5-10 parts of a carboxyl-containing monomer. The UV visbreaking acid-resistant agent prepared by the invention has relatively good acid resistance and reliable UV visbreaking and high initial bonding balance.

The invention discloses a multi-layer composite shielding PVC wire harness adhesive tape and a preparation method thereof, and relates to the technical field of PVC wire harness adhesive tape, the multi-layer composite shielding PVC wire harness adhesive tape comprises a base material layer, an adhesive layer and a stripping layer, the upper end of the base material layer is provided with a directional electromagnetic shielding layer, the upper end of the directional electromagnetic shielding layer is provided with an aerogel buffer layer, and the upper end of the aerogel buffer layer is provided with an adhesive layer. The directional electromagnetic shielding layer is formed by compounding MXene nanosheets and silver nanowires according to the mass ratio of (1: 0.3)-(1: 1). Polyimide fibers are embedded into pores of the silicon dioxide aerogel in a three-dimensional network structure, so that high buffering property and heat insulation property are realized, the problems that polyurethane foam is poor in heat insulation property and is easy to soften and lose efficacy in a high-temperature environment are solved, and the polyurethane foam is favorably used in an extreme environment and keeps certain stability.

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 utility model relates to a sticky ball enveloping machine in the field of enveloping machines, which comprises a machine body, a sticky film adhesive tape clamp, a clamping component and a rotating component are arranged on the machine body, a ball pressing roller is arranged at one end of a support frame far away from the sticky film adhesive tape clamp, and the ball pressing roller is connected with the support frame through a first lifting cylinder. The supporting frame is further provided with a cutter used for cutting off the adhesive film, a recycling hopper used for recycling adhesive tape release paper is arranged below the adhesive film adhesive tape clamp, the rotating assembly is arranged on the machine body through a sliding assembly, and the rotating assembly can move left and right on the machine body through the sliding assembly to the position above any clamping assembly. An electric sliding rail used for controlling the rotating assembly to move left and right is arranged in front of the sliding assembly, a sliding table of the electric sliding rail is connected with the sliding assembly, the feeding groove and the receiving groove are formed in the two ends of the three clamping assemblies correspondingly, and the control panel is connected with the machine body through the supporting column. The product quality is ensured and the production cost is reduced.

A substrate-conveying support tape includes: a support film; a primer layer provided on the support film; and a temporary fixing material layer provided on the primer layer, in which the support film is a polyimide film, the temporary fixing material layer contains a thermoplastic resin, and the primer layer contains at least one selected from the group consisting of a silane coupling agent having an epoxy group or a ureido group, an epoxy resin, a polyurethane rubber, and an acrylic rubber having an acid value of 5 mgKOH / g or more.

A method of making a golf club head includes interposing bonding tape between a first piece and a second piece of the golf club head such that the first piece is temporarily adhered to the second piece via a tackiness of the bonding tape. The method additionally includes positioning the first piece, the second piece, and the bonding tape, interposed between the first piece and the second piece, in a vacuum bag, and reducing a pressure within the vacuum bag, relative to a pressure external to the vacuum bag, such that the vacuum bag collapses onto the first piece and the second piece and compresses the bonding tape between the first piece and the second piece. The method also includes heating the bonding tape, at least to a curing temperature of the bonding tape, when the pressure within the vacuum bag is reduced.

An adhesive-tape affixing device, comprising: two first adhesive-tape affixing assemblies (10), which are spaced apart in a first direction (X1), an electrode sheet material strip (A) passing through a space between the two first adhesive-tape affixing assemblies (10), each first adhesive-tape affixing assembly (10) having a suction end configured to suction a first adhesive tape (B), and the suction ends of the two first adhesive-tape affixing assemblies (10) controllably moving close to each other in the first direction (X1), so as to clamp the passing electrode sheet material strip (A) and respectively affix the first adhesive tapes (B) onto the passing electrode sheet material strip (A); a clamping assembly (20), which is arranged on one side of the two first adhesive-tape affixing assemblies (10) in a second direction (X2) and is configured to clamp the passing electrode sheet material strip (A), the second direction (X2) intersecting the first direction (X1); a cutting assembly (30), which is configured to cut off the electrode sheet material strip (A) between the two first adhesive-tape affixing assemblies (10) and the clamping assembly (20); and a second adhesive-tape affixing assembly (40), which is configured to affix second adhesive tapes (C) onto two cut ends (a) formed by means of cutting off the electrode sheet material strip (A). Further provided are a winding apparatus and an adhesive-tape affixing method.

The invention relates to the technical field of silica gel belt surface coating, in particular to coating equipment for polyester film silica gel belt production, which comprises a machine body, a driving device, an unwinding roller, a winding roller, a guide roller, a compression roller, a coating roller, a storage box, a comma scraper and a driving motor, an adjusting rod arranged on an output shaft of a driving motor synchronously rotates anticlockwise, an arc-shaped plate at the upper end of the adjusting rod rotates, and the arc-shaped plate pushes the lower side of a sliding plate, so that the sliding plate slides upwards in a sliding groove, the sliding plate drives an adjusting roller to move upwards in the process, and in the upward moving process of the adjusting roller, the adjusting roller is driven to move upwards; the silica gel sheet located on the lower side of the adjusting roller synchronously moves upwards, so that the gap between the silica gel sheet and the rubber belt is enlarged, then after the gap between the comma scraper and the coating roller is enlarged, the gap between the lower side of the silica gel sheet and the rubber belt is synchronously enlarged, and the rubber belt can smooth coatings with different thicknesses; and the coating effect on the silica gel sheet is further improved.

A sticky tape that can be heated and separated in a short time and can effectively prevent thermal damage to an adherend is provided. The sticky tape separable by heating, includes: an intermediate layer A containing a heating element and an adhesive agent; an adhesive agent layer B1 disposed on one surface side of the intermediate layer A and containing an adhesive agent; and an adhesive agent layer B2 disposed on the other surface side of the intermediate layer A and containing an adhesive agent. At least one of the adhesive agent layer B1 and the adhesive agent layer B2 is a heat-insulating layer C further having heat-insulating properties, or a heat-insulating layer C with heat-insulating properties is further provided at least one of between the intermediate layer A and the adhesive agent layer B1 and between the intermediate layer A and the adhesive agent layer B2.

The invention relates to the technical field of semiconductor wafer processing, and particularly discloses an adhesive tape for semiconductor wafer thinning and a preparation process thereof. The adhesive tape for semiconductor wafer thinning comprises a base material layer and a bonding layer arranged on the surface of the base material layer, the base material layer is made of polyolefin, and the bonding layer is a modified acrylic acid adhesive layer; the modified acrylic acid adhesive layer is prepared from the following raw materials in parts by weight: 60 to 70 parts of 2-ethylhexyl acrylate, 15 to 25 parts of butyl acrylate, 5 to 10 parts of methyl methacrylate, 2 to 5 parts of hydroxyethyl acrylate, 0.5 to 2 parts of glycidyl methacrylate, 1 to 3 parts of a modifier, 0.8 to 1.2 parts of an isocyanate cross-linking agent, 0.3 to 0.8 part of an epoxy cross-linking agent and 0.3 to 0.8 part of azodiisobutyronitrile. According to the adhesive tape for semiconductor wafer thinning, the fixing and protecting effects on the wafer are improved.

The invention discloses a wear-resistant environment-friendly PET base material adhesive tape and a preparation method thereof, and belongs to the technical field of adhesive tapes, raw materials comprise a PET adhesive tape film and an EB curing modified adhesive, the surface of the modified PET adhesive tape film subjected to corona treatment is coated with the EB curing modified adhesive, then electron beam radiation curing is carried out, the absorbed dose of electron beams is 38-42 kGy, and the EB curing modified adhesive is prepared. And then cooling, rolling and curing to obtain the wear-resistant environment-friendly PET base material adhesive tape. The modified PET adhesive tape film is prepared from the following raw materials: PET resin and modified polyolefin elastomer master batch; the EB curing modified adhesive is prepared from the following raw materials: butyl acrylate, 2-ethylhexyl acrylate, tripropylene glycol diacrylate, acrylate resin, urethane acrylate and starch modified core-shell microsphere powder. According to the mode, a modification process is added in the preparation process of the PET adhesive tape film and the adhesive, and finally the environment-friendly PET base material adhesive tape with excellent comprehensive performance is prepared.

To provide a tape dispenser which has excellent operability when performing drawing back / delivering of a gummed tape.SOLUTION: A tape dispenser 1 includes: a tape holder 10 for rotatably holding a tape wound up in a roll-like manner; a water supply part 20 for supplying water content to an adhesive layer of the tape; and a tape movement part 30 for moving the tape held by the tape holder 10 in a delivery direction or the drawing back direction, being interlocked with the operation of a user. The tape movement part 30 includes an operation member 31 which moves the tape in the delivering direction when operated in a first direction by the user, and moves the tape in the drawing back direction when operated in a second direction on the opposite side from the first direction by the user.SELECTED DRAWING: Figure 1

The invention discloses a polyester film for a blue adhesive tape, which is used for binding and packaging a battery of a new energy electric vehicle. The polyester film is prepared from 70-85 parts by weight of high-viscosity polyethylene glycol terephthalate, 5-12 parts by weight of thermoplastic polyurethane, 2-4 parts by weight of siloxane resin powder, 1-3 parts by weight of melamine cyanurate, 2-5 parts by weight of organic modified montmorillonite, 1-3 parts by weight of a coupling agent and 1-3 parts by weight of a coupling agent. 1-3 parts by weight of aromatic polyimide micro powder and 0.3-0.5 part by weight of ethylene glycol monostearate. The invention also discloses a preparation method of the polyester film. The polyester film for the blue adhesive tape is excellent in dielectric strength, flexibility, puncture resistance and flame retardance, the characteristics directly correspond to strict requirements of automobile lithium battery shell packaging, and comprehensive guarantee is provided for safety, reliability and environmental adaptability.

The invention discloses a high-temperature-resistant high-viscosity heat-conducting and heat-dissipating adhesive tape and a preparation method thereof, belongs to the technical field of high-temperature-resistant adhesive tapes, and aims to solve the technical problem that the adhesive strength, high-temperature resistance and heat-conducting and heat-dissipating performance of an adhesive tape material in the prior art need to be further improved. The high-temperature-resistant high-viscosity heat-conducting and heat-dissipating adhesive tape specifically comprises a release paper layer I, an adhesive layer and a release paper layer II, the adhesive layer comprises epoxy resin, a diluent and a curing agent, the weight ratio of the epoxy resin to the diluent is (80-100): (20-30), and the diluent is N-methyl pyrrolidone. The epoxy resin is prepared by combining the composite polysiloxane, the cross-linked modified polyurethane and the epoxy modified diphenyl propane, and the epoxy resin is diluted and then combined with the curing agent, so that not only is the bonding strength of the adhesive tape material effectively improved, but also the high-temperature resistance and the heat conduction and heat dissipation performance of the adhesive tape material are effectively improved.

An adaptable handle and mount provided for the use with tools needing the assist of a handle. Handle is used in a horizontal fashion and offers the user a no grip solution. The handle comprises a palm rest that is intended to be positioned in your palm, having additional features for comfort. The handle also includes a hand strap that is fastened to the palm rest, its function is to secure the handle assembly firmly to the hand. Also consists of a connection point for attaching handle to the tool with a threaded bolt, nut, and push-on bolt retainer used for Anti-rotation and handle to tool alignment. Further comprised of a mount consisting of an aluminum block with female threads sized and shaped to allow for sufficient adhesion of a high bond, double sided, acrylic adhesive tape to accommodate original tools design.

The invention provides an adhesive tape and a double-glass structure product. The adhesive tape comprises a release film layer, a pressure-sensitive adhesive layer and a base material layer which are sequentially stacked, the pressure-sensitive adhesive layer comprises a flaky magnetic filler; the flaky magnetic filler comprises a first-direction flaky magnetic filler and a second-direction flaky magnetic filler, an acute angle between the normal direction of the first-direction flaky magnetic filler and the winding axis direction of the adhesive tape is 0-45 degrees, and the first-direction flaky magnetic filler accounts for 50-100% of the weight of the flaky magnetic filler. By adding the flaky magnetic filler into the pressure-sensitive adhesive layer and adjusting the orientation of the flaky magnetic filler in the pressure-sensitive adhesive layer, the transverse and longitudinal water resistance of the adhesive tape is remarkably improved, the weather resistance and bonding strength of the adhesive tape are considered, and when the adhesive tape is applied to objects with water resistance requirements on edges or adhesive tape bonding parts, such as photovoltaic modules, laminated glass and the like, the adhesive tape has excellent water resistance. Effective protection can be provided, and the service life of assemblies is effectively prolonged.

The invention relates to the field of degradable adhesive tapes, in particular to a PVA degradable adhesive tape for carton packaging and a preparation method and application of the PVA degradable adhesive tape. The PVA degradable adhesive tape for carton packaging comprises a base material film layer and a pressure-sensitive bonding layer on the surface of the base material film layer, the base material film layer is prepared from the following raw materials in parts by mass: 60 to 80 parts of PVA (Polyvinyl Alcohol), 35 to 50 parts of auxiliary resin, 5 to 12 parts of toughening waterproof complexing agent, 10 to 15 parts of plasticizer, 3 to 5 parts of compatilizer, 0.3 to 0.6 part of antioxidant and 3 to 6 parts of reinforcing filler. The PVA degradable adhesive tape prepared by the invention not only has excellent degradability, but also can give consideration to the properties such as moisture resistance, water resistance, cohesiveness, mechanical properties, aging resistance, corrosion resistance and the like in the application process, so that the problems of obvious performance defects and performance balance contradiction existing in the existing PVA adhesive tape are solved; the application quality and the service life of the adhesive tape are greatly improved.

A tape for applying to a building surface prior to painting with an architectural paint having a color and a texture in which the tape remains in place after completion of the painting is described. The tape includes a substrate sheet, a pressure sensitive adhesive, and a coating. The tape is configured such that a portion of the coated side of the tape has a color and a texture that is similar or the same as the color and texture of the architectural paint. In this way, the portion of the building surface covered by the tape produces the general appearance and feel of the painted building surface after completion of the painting.

The invention discloses an adhesive tape with high stripping stability and a preparation process thereof. The adhesive tape comprises a PET (Polyethylene Terephthalate) base material subjected to corona treatment, an acrylic acid pressure-sensitive adhesive layer, a release layer and an antistatic liquid coating. The acrylic pressure-sensitive adhesive layer is composed of acrylate monomers, saturated polyester resin, bisphenol F, bisphenol A epoxy resin and amino resin. The preparation process comprises the steps of corona pretreatment of the polyethylene glycol terephthalate base material, coating of the antistatic liquid, coating of the pressure-sensitive adhesive, compounding of the release layer and curing treatment. The stripping force change rate of the adhesive tape after damp-heat aging and low-temperature aging is smaller than 5% and is far lower than the industrial standard, and the adhesive tape has excellent stripping stability, antistatic property and weather resistance and is suitable for the fields of electronic product protection, automobile paint spraying shielding and the like.

The utility model discloses a roll changing device and coater, including: a rubberizing mechanism including a first rubberizing assembly and a second rubberizing assembly, the first rubberizing assembly is provided with a tape cutting module, the first rubberizing assembly is used for bonding a working material tape and one side of a material head of a new roll material, and the second rubberizing assembly is used for bonding the other side of the material head of the new roll material; the second rubberizing assembly is used for bonding the working material belt and the other side of the material head of the new roll material, and the belt cutting module is used for cutting off the working material belt or the material head of the new roll material; the number of the adhesive tape preparation mechanisms is two, and the two adhesive tape preparation mechanisms provide adhesive tapes for the first adhesive tape pasting assembly and the second adhesive tape pasting assembly correspondingly; the material belt traction mechanism is used for dragging a material head of a new coil material to the second rubberizing assembly; and the waste collecting mechanism is used for collecting tailings after cutting. The double-sided adhesive tape sticking device can realize double-sided adhesive tape sticking, ensures the firmness of tape splicing, can collect tailings after cutting, prevents the tailings from falling on equipment or the ground, and ensures the normal operation of the equipment.

The present invention provides an automotive wiring harness tape and a preparation method thereof. The wiring harness tape consists of a shielding layer and a rubber coating layer. The shielding layer is prepared from materials such as polyester fiber, nylon fiber, glass fiber, carbon fiber and conductive composite fiber, and has excellent electromagnetic shielding capabilities. The rubber coating layer is formed by mixing an antioxidant, a light stabilizer and silicone rubber, which effectively reduces the VOC release of the tape while ensuring good aging resistance and mechanical properties. The preparation method includes the steps of fiber mixing, heat setting treatment, rubber coating layer preparation and cutting. By precisely controlling the proportion of each component and process parameters, the continuity and stability of the tape are ensured. The automotive wiring harness tape of the present invention not only has excellent electromagnetic shielding performance, but also has good low fogging and mechanical properties, and is suitable for complex automotive electromagnetic environments.

The application relates to an automatic film splicing device for coating production and belongs to the technical field of film splicing devices. The device comprises a rack, an operation platform arranged on the rack, a cutter mechanism arranged above the operation platform, upper and lower adsorption tape mechanisms arranged above and below the operation platform table respectively, and a station conversion mechanism for driving the upper adsorption tape mechanism to move between a film splicing preparation station and a tape sticking station. After the old and new film materials are cut by the cutter mechanism, the upper adsorption tape mechanism is driven by the station conversion mechanism to move from the film splicing preparation station to the tape sticking station, and the upper and lower adsorption tape mechanisms respectively stick the upper and lower tapes to complete the automatic butt joint of the old and new film rolls. The application realizes automatic positioning, pressing, cutting and double-side tape sticking of the old and new film materials, improves the film splicing efficiency and quality, eliminates the safety hazards of manual knife holding operation and improves the operation safety.

The invention relates to the field of foam adhesive tapes, and particularly discloses a high-temperature-resistant acrylic foam adhesive tape and a production process thereof.The acrylic foam adhesive tape comprises an adhesive layer and a release paper layer, the adhesive layer is prepared by taking modified acrylate polymer as a base material and taking a foaming agent, a curing agent and a dispersing agent as auxiliary materials to be mixed in a solvent, and the release paper layer is prepared by taking the modified acrylate polymer as the base material and taking the foaming agent, the curing agent and the dispersing agent as the auxiliary materials; wherein the acrylate polymer is formed by crosslinking and curing a high-temperature-resistant monomer, a modified monomer, a hard monomer and a soft monomer under the action of an initiator, a phenyl sulfone structure and an imide ring in the high-temperature-resistant monomer can enhance the thermal stability of a main chain, meanwhile, thermal motion of a molecular chain is effectively inhibited, and the foam tape is endowed with excellent high-temperature resistance; a hydroxyapatite structure, a phosphate group and a silane bridging structure in the modified monomer can improve interfacial compatibility and enhance intermolecular cohesion at the same time, so that the foam tape is endowed with relatively high bonding strength and excellent tensile property.