979results about "Adhesive processes with adhesive heating" 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.

Provided is a curable silicone composition and applications thereof. The curable silicone composition has superior hot-melt properties and moldability, where the flexibility, toughness, and stress relief properties of a cured product obtained therefrom are not impaired even if a large amount of functional inorganic filler is blended in. The curable silicone composition comprises an organopolysiloxane resin component with a weight average molecular weight in a range of 2,000 to 15,000 and that contains a siloxane unit represented by SiO4 / 2 making up at least 20 mol % or more of the total siloxane units, and one or more functional fillers. The silicone resin component comprises a curing reactive functional group containing a carbon-carbon double bond, and of that curing reactive functional group, 0.05 to 1.50 mol vinyl (CH2═CH—) group is contained per 100 g of the silicone component. The curable silicone composition generally has hot-melt properties as a whole.

An adhesive gripper for pick-and-place maneuvers comprises one or more legs, where each leg terminates in a foot rotatably connected to the respective leg. Each foot includes a SMP dry adhesive comprising a shape memory polymer, and a rigid backing layer attached to a back side of the SMP dry adhesive, such that a front side of the SMP dry adhesive is available for attachment and release of objects. The adhesive gripper further includes a handle portion connected to the one or more legs, a release mechanism comprising a release ring within the handle portion, and one or more releasing rods integrated with the one or more legs for release of an object onto a substrate.

Provided is an adhesive composition including: a reaction product (X) of a solid polymer (x1) having a first functional group and a liquid chain compound (x2) having, at a chain terminal, a second functional group capable of reacting with the first functional group, the reaction product (X) having the first functional group or the second functional group; and a liquid crosslinking agent (Y) having the first functional group or the second functional group, provided that when the reaction product (X) has the first functional group, the liquid crosslinking agent (Y) has the second functional group, and when the reaction product (X) has the second functional group, the liquid crosslinking agent (Y) has the first functional group.

Hot melt adhesive including a polar group-containing olefin copolymer has: number average molecular weight (Mn) between 10 to 50 kg / mol, crystallinity (Xc) content below 30%, enthalpy (ΔH) between 5 to 65 J / g, polydispersity index (PDI) from 2 to 6, melting temperature (Tm) between 40 and 120° C., and including at least 80 mol % of a constituent unit of formula (1), optionally a constituent unit of formula (2), and between 0.1 to 1 mol %, of a constituent unit of formula (3):wherein R1 is H or CH3; R2 is a hydrocarbyl group having 0 to 10 carbon atoms; R3 is a hydrocarbyl group having 2 to 10 carbon atoms, when X is hydroxyl functionality or a hydrocarbyl group having 0 to 10 carbon atoms, when X is polar organic group containing at least one carboxylic acid functionality and 0 to 6 carbon atoms.

The invention discloses a supramolecular host-guest photoinitiator with an adjustable curing rate and an epoxy adhesive, the supramolecular host-guest photoinitiator comprises a supramolecular host compound and a guest photoinitiator included in the supramolecular host compound, the supramolecular host compound has a macrocyclic structure with a repeating unit number of 2-30, the guest photoinitiator comprises a cationic photoinitiator; in the supramolecular host-guest photoinitiator, the molar ratio of the supramolecular host compound to the guest photoinitiator is (0.8-1.5): 1, and the mass percentage of carbon element to hydrogen element is (40-75): (3-8). The UV epoxy adhesive comprises the supramolecular host-guest photoinitiator with the adjustable curing rate, a delayed curing window period is formed after UV light irradiation initiation, the adhesive is excellent in flowing and coating performance, the adhesive can continue to initiate polymerization curing without depending on illumination after the window period, heat input can be controlled, and the curing rate can be adjusted.

The invention discloses a dual-curing solvent-free high-temperature-resistant epoxy resin structural adhesive as well as a preparation method and application thereof. The structural adhesive comprises the following components in percentage by weight: 1.5-5% of a latent curing agent, 2-5% of a high-heat-resistant curing agent, 1-5% of nano filler, 0.1-0.3% of a curing accelerator and the balance of epoxy resin. By accurately screening epoxy resin monomers, optimizing a dual curing agent system and introducing the high-temperature-resistant nanofiller, room-temperature stability, medium-temperature rapid curing and gelling and high-temperature complete curing are realized, and the final heat-resistant temperature is greater than or equal to 300 DEG C. Through the synergistic effect of the epoxy resin, the medium-temperature curing agent and the high-temperature curing agent, the crosslinking stability at different temperature stages is ensured. In addition, through introduction of the inorganic nano filler, the high-temperature mechanical property and the heat-resistant stability of the material are further improved. The preparation method does not need to use a solvent, and the prepared epoxy resin structural adhesive has excellent heat resistance and mechanical strength and is suitable for the fields of high-temperature structural adhesives, aerospace composite materials, high-temperature-resistant coatings and the like.

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.

A method is described for debonding a bonded article. The bonded article comprises at least two components which are bonded to one another by means of a polyurethane adhesive selected from aqueous polyurethane dispersion adhesives and polyurethane hotmelt adhesives. At least one of the components is a thermoplastic polyurethane. The components are debonded by treatment with an aqueous surfactant composition at elevated temperatures.

An adhesive film for use in a power storage device, wherein: the power storage device has a structure wherein a power storage device element is accommodated in a package body formed of a power storage device exterior material; the exterior material is composed of a laminate including at least a base layer, a barrier layer, and thermally fusible resin layers; the power storage device element is accommodated in the package body by thermally fusing together the resin layers of the exterior material; the adhesive film is used so as to be interposed between the resin layers, at a position where the resin layers are thermally fused; the adhesive film includes at least a resin layer A and an adhesive layer P; the melting peak temperature of the resin layer A is at least 135° C.; and the melting peak temperature of the adhesive layer P is no more than 100° C.

Disclosed is a method for producing a joined body obtained by joining a base material A, a solid joining agent containing an amorphous thermoplastic resin, which is at least one of a thermoplastic epoxy resin and a phenoxy resin, as a main component, and a base material B in this order, in which at least the base material A is a thermoplastic resin base material, an epoxy equivalent of the amorphous thermoplastic resin is 1,600 g / eq. or more or the amorphous thermoplastic resin does not contain an epoxy group, and a heat of fusion of the amorphous thermoplastic resin is 15 J / g or less, and the method has a step of superposing and a joining step (1), or has a joining step (2-1) and a joining step (2-2).

Provided are: polyurethane elastic fibers that achieve heat resistance, adhesiveness, and reelability and that are suitable for a gather member; a winding body therefor; a gather member; and a sanitary material. The present invention relates to: polyurethane elastic fibers that are multifilaments and that contain urethane bonds and urea bonds, the polyurethane elastic fibers being characterized in that the ratio of the urea bonds with respect to the urethane bonds is 0.05 to 5%; a winding body of said polyurethane elastic fibers, wherein the elongation rate of the polyurethane elastic fibers on the winding body is 0.05 to 10%; a gather member; and a sanitary material.

Aspects of the disclosure include systems and methods that leverage adjacent component heating to accelerate the cure time of thermal interface adhesives. An exemplary method can include receiving a battery pack and a thermal management system including a cooling plate, an upper tray, and a lower tray joined to opposite surfaces of the cooling plate to define an enclosed volume therebetween. The method includes wetting an interface between the battery pack and the thermal management system with an adhesive and joining the battery pack to the thermal management system at the interface. The method includes directing a heating fluid through the enclosed volume, thereby heating the adhesive. The method includes, responsive to determining that a temperature of the adhesive has reached a target temperature, maintaining the temperature for a soak time according to a cure curve of the adhesive to achieve a target bond strength.

A reactive hot melt adhesive composition comprising: (A) at least one polyurethane prepolymer obtained by reacting a reactant mixture comprising (A1) a polyol mixture comprising: (a) at least one liquid polyester polyol, (b) at least one crystalline polyester polyol, and (c) at least one amorphous polyester polyol, (A2) at least one polyisocyanate having at least two isocyanate groups in one molecule; (B) at least one vinyl acetate polymer, and (C) at least one thermal plastic polyurethane. The reactive hot melt adhesive composition could be used as hot melt adhesive, for example, in furniture industrial applications, which provides very good initial bonding strength and fast setting property simultaneously.

To provide a printing apparatus and a control method for the printing apparatus that can reduce the time required to form an adhesive layer with a simple structure. [Solution] A printing apparatus comprising an endless conveyor belt for transporting a recording medium, a drive unit for circulating rotation of the conveyor belt, a heating unit, a printing unit for printing on the recording medium, and a control unit, wherein the control unit can select between a first mode in which, when the conveyor belt is not holding the recording medium and is circulating rotation, the heating unit heats the aqueous adhesive applied to the conveyor belt to form an adhesive layer on the conveyor belt, and a second mode in which, when the conveyor belt is circulating rotation, the heating unit heats the adhesive layer and the printing unit prints on the recording medium held by the conveyor belt.

The present disclosure is directed to a bonded structure comprising: a first substrate provided with a first electrically conductive surface; a second substrate provided with a second electrically conductive surface; and, an adhesive interposed between said first and second electrically conductive surfaces, wherein at least one of said first and second electrically conductive surfaces is provided by a dried ink film comprising: a matrix of a polymeric resin (FR); and, electrically conductive particles, further wherein said adhesive is electrochemically debondable and is obtained by applying a curable liquid-state composition to at least one of said first and second electrically conductive surfaces followed by the curing of said composition, wherein the curable composition comprises a non-polymerizable electrolyte and a polymeric resin (AR).

Conventionally, for anaerobically curable compositions that were used in assembly of a stacked steel sheet, fast curability was required for the efficiency of productivity. Recently, diversification of assembly methods has made not only curing acceleration by a primer but also curing acceleration by heating possible. In order for improvement in durability of stacked steel sheets, there has been a demand for improvement in shear adhesive strength and peeling adhesive strength of anaerobically curable compositions. The present invention relates to an anaerobically curable composition containing the following components (A) to (D): component (A): (meth)acryloyl compound, component (B): hydroperoxide, component (C): saccharin, and component (D): sodium salt, potassium salt or calcium salt of saccharin.

The present application relates to the technical field of lithium battery materials and binders, and discloses a positive electrode edge coating protection hot-press adhesive, preparation therefor and a use thereof. The hot-press adhesive is obtained copolymerizing an acrylic monomer, an acrylate monomer, an oil-soluble monomer and a modified monomer in a solvent NMP, and the mass percentage content of each monomer is as follows: 5-12% of the acrylic monomer, 45-80% of the acrylate monomer, 10-40% of the oil-soluble monomer, and 1-10% of the modified monomer. The hot-press adhesive of the present application is an oil-based polymer binder, which is mainly applied to bonding for positive electrode sheet edge coating, and can achieve effective bonding between a positive electrode and a separator; the electrolyte resistance of the hot-press adhesive is significantly improved, and the problem of unintended mixing with positive electrode slurry is solved.

The present invention relates to a flame retardant fire extinguishing tape containing a flame retardant and fire extinguishing fluid microcapsules, and a method for manufacturing same. More specifically, the present invention relates to: a flame retardant fire extinguishing tape in which a fire extinguishing pad layer in which an acrylate oligomer, fire extinguishing fluid microcapsules, and a flame retardant are mixed is formed on a flame retardant adhesive layer; and a method for manufacturing same. The present invention relates to: a flame retardant fire extinguishing tape containing a flame retardant and fire extinguishing fluid microcapsules, wherein the fire spreading prevention effect of the fire extinguishing fluid microcapsules is improved by preventing the fire extinguishing fluid microcapsules from being rapidly gasified; and a method for manufacturing same.

The invention discloses a preparation method and application of a graphene heat-conducting gasket, and relates to the technical field of graphene heat conduction. The invention provides a preparation method of a graphene heat-conducting gasket, the graphene heat-conducting gasket adopts graphene foam as a base material, surface skin removal, laser drilling and trimming, plasma activation treatment and multiple modification treatment are carried out, due to the fact that hydroxyl-rich functional groups are generated on the surface of the graphene through plasma activation treatment, the graphene heat-conducting gasket is prepared through hydroxyl vinyl silicone oil, and the heat-conducting performance of the graphene heat-conducting gasket is improved. A small amount of hydroxyl vinyl silicone oil is uniformly covered on the surface of the graphene, and heating is performed to perform dehydration condensation on the hydroxyl vinyl silicone oil and hydroxyl subjected to plasma activation treatment to form chemical bonds, so that an interface between the graphene and a subsequent adhesive can be tighter, pores at the interface are reduced, and the thermal contact resistance is reduced; the heat transfer efficiency is improved, and the tensile strength and the compression resilience can also be improved.

A power storage device packaging material, including a laminate including at least a base material layer, a barrier layer, and a heat-sealable resin layer in this order, wherein the heat-sealable resin layer includes a film, the film is formed of a resin containing three or more structural units, and the film has a melting peak temperature of 170° C. or more.

A method for curing adhesive during assembly of a glass syringe comprises the following steps a.) to d.): a.) providing an adhesive, a glass barrel and a needle; b.) dispensing the adhesive onto the glass barrel and / or needle; c.) arranging the needle onto the barrel; d.) curing the adhesive by means of radiation; and the method further comprises: heating at least one of the glass barrel, needle and adhesive by means of hot air.

A thermal conductive addition-curable silicone composition includes: an organopolysiloxane (A) having at least one aliphatic unsaturated hydrocarbon group in one molecule and having a kinematic viscosity at 25° C. of 60 to 100,000 mm2 / s; a phenol compound (B) at an amount of 0.01 to 10 mass % relative to an entirety of the composition; a silver powder (C) at an amount of 10 to 98 mass % relative to the entirety of the composition; an organohydrogenpolysiloxane (D) having two or more hydrogen atoms bonded to a silicon atom in one molecule at an effective amount sufficient for the composition to form a cured product; and a platinum-group metal catalyst (E) at an effective amount. This configuration provides a thermal conductive addition-curable silicone composition having excellent heat-dissipating ability.

A heat-curable adhesive composition containing: a photocleavable compound that generates an amine compound through cleavage induced by irradiation; and a heat-curable resin that cures upon heating in a presence of the amine compound. A layered film including: a substrate film; and an adhesive layer provided on a surface of the substrate film; wherein the adhesive layer is composed of the heat-curable adhesive composition.

A composite fibre cement cladding element, comprising a plurality of fibre cement component pieces is provided wherein the fibre cement component pieces are fused together to provide a single unit that gives the appearance of two or more courses of cladding elements in a series.

The present disclosure relates to an adhesive containing a polyester (A) satisfying the following requirements (1) to (4): (1) the polyester (A) has a structural site derived from a polyvalent carboxylic acid (a1) and a structural site derived from a polyhydric alcohol (a2); (2) the polyester (A) has an ester bond concentration of 10.00 mmol / g or less; (3) the polyester (A) has a melting point of 30° C. or higher; and (4) the polyester (A) has a mass-average molecular weight of 25000 or more.

The utility model discloses a heating device for quickly activating a pressure-sensitive adhesive tape and a thermoplastic or thermosetting adhesive tape. The heating device comprises a microwave heating head, a microwave transmitting assembly and a motion driving assembly, the microwave emission assembly is connected with the microwave heating head and is used for outputting microwaves to the microwave heating head; the motion driving assembly is connected with the microwave heating head and used for achieving alignment and motion of the microwave heating head and the heated assembly. The microwave heating head is driven by the motion driving assembly to heat the heated assembly. According to the utility model, through the cooperation of the microwave emission assembly and the motion driving assembly, a pressure-sensitive adhesive tape and a thermoplastic or thermosetting adhesive tape are flexibly heated according to a set motion trail by allocating microwaves with appropriate power, and the heating objects applied by the device are the pressure-sensitive adhesive tape and the thermoplastic or thermosetting adhesive tape.