1447results 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 composition is shown and described herein. The composition comprises a silylated polyurethane, an epoxy functional compound, and an amine functional compound. The compositions are provided to control the molar ratio of amine active hydrogen (AH) to epoxy (E) groups. By controlling the amine active hydrogen to epoxy molar ratio, an adhesive with excellent adhesion and strength on a variety of types of substrates is provided.

Epoxy-based adhesive compositions are provided, exhibiting improved uncured humidity resistance, cured humidity resistance and improved wash-off resistance, which upon curing result in crash durable and stress resistant cured bonds on steel and low surface tension surfaces, e.g. ZnMgAl, hot dipped galvanized (HDG) and treated aluminum surfaces. Also provided are bonded assemblies comprising pre-cure or fully cured epoxy-based adhesives, methods of making the epoxy-based adhesives, methods of bonding assemblies and articles of manufacture comprising the bonded assemblies.

Provided is a curable silicone composition and applications thereof. The composition has hot-melt properties as a whole, superior workability and curing characteristics such as overmolding, as well as superior flexibility and stress relief properties of a cured product thereof, even when a relatively large amount of filler is blended. Also provided is a cured product with a relatively small coefficient of thermal expansion. A curable silicone composition, comprising: an organopolysiloxane resin where 20 mol % or more of the total siloxane units of the organopolysiloxane resin is siloxane units represented by SiO4 / 2; and one or more functional fillers. A vinyl (CH2═CH—) group content of curing reactive functional groups containing carbon-carbon double bonds is 0.05 to 1.50 mol % per 100 g of silicone component(s) in the composition.

A biaxially oriented industrial or household compostable film web having at least three co-extruded layers selected from the group consisting of a facing film layer, a sealant film layer, and a combination of sealant film layers and facing film layers, wherein the sealant film layer and the surface film layer each comprise from 0 wt% to about 80 wt% of a polyhydroxyalkanoate (PHA) and from about 20 wt% to about 100 wt% of a polylactic acid (PLA), and optionally a small amount of a blend of other biopolymers, other polymers, nucleating agents, chain extenders, fatty amides, and fillers; and a core film layer comprising from about 30 wt% to about 80 wt% of a polyhydroxyalkanoate (PHA), from about 20 wt% to about 40 wt% of a polylactic acid (PLA), and optionally a small amount of a blend of other biopolymers, other polymers, nucleating agents, chain extenders, fatty amides, and fillers.

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 present invention relates to thermosetting epoxy resin compositions comprising an epoxy resin, a dihydrazide curing agent and a specific terminally blocked polyurethane prepolymer as a toughening agent. The compositions feature good mechanical properties and storage stability and a low curing temperature. The epoxy resin compositions are especially suitable for use as bodywork adhesive.

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.

The invention relates to an adhesive tape, a bonded assembly, a method for electrically releasing the bonded assembly, and the use of the adhesive tape for bonding components in electronic devices, automobiles, medical devices, and dental devices. The adhesive tape comprises at least one adhesive layer D, wherein the adhesive of the adhesive layer D is a heat-activated adhesive and contains at least one electrolyte.

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.

A packaging material according to the present invention comprises a polyhydroxyalkanoate (PHA) resin, which has excellent biodegradability and thermal adhesiveness, in an inner layer, and can also provide a security function due to having a light-shielding layer laminated on the rear surface. Accordingly, the biodegradable packaging material according to the present invention is manufactured as a security pack for a mobile device having a camera, and can be utilized in facilities or by organizations in which security must be maintained to prevent various exhibits, experimental equipment, documents, and the like from being leaked to the outside.

A method for improving the dimensional stability of a biodegradable film. The method includes providing a poly (hydroxyalkanoate)-based blown polymer film to a roll, feeding the poly (hydroxyalkanoate)-based blown polymer film to an annealing roll, and heating the blown film by contacting with the annealing roll at a temperature range of about 80 DEG C to about 150 DEG C for a predetermined period of time.

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.

Disclosed herein is a photothermal adhesive that has a crosslinked polymeric matrix and a photothermal agent dispersed within the crosslinked polymeric matrix, where the crosslinked polymeric matrix is formed by the random block copolymerisation of: a urethane acrylate polymeric material that has two or more acrylate end groups; and a polymeric or oligomeric crosslinker material having two or more acrylate end groups. Also disclosed herein is a method of manufacturing the photothermal adhesive, uses thereof, and methods of use thereof.

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.

A silicone hybrid pressure sensitive adhesive composition that cures to form a silicone hybrid pressure sensitive adhesive contains a polydiorganosiloxane having reactive groups. The reactive groups include a silicon bonded (meth)acryloxyalkyl-functional group in a pendant position and a silicon bonded aliphatically unsaturated hydrocarbon group. An adhesive article, such as a tape, can be formed by coating the silicone hybrid pressure sensitive adhesive composition on a surface of a substrate and curing said composition via hydrosilylation reaction (B-staged cure) to form a silicone hybrid pressure sensitive adhesive layer on the surface. The silicone hybrid pressure sensitive adhesive layer contains (meth)acryloxyalkyl-functional groups, which can further react and crosslink via exposure to UV radiation (C-staged cure).

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 invention relates to a two-component polyurethane adhesive composition for film lamination in hot filling application. Further, the present invention relates to method of manufacturing a laminate by using the two-component polyurethane adhesive composition and the laminate obtainable by the described method.

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.