1372results about "Adhesives" patented technology

The invention provides a comb-shaped polymer binder, a pole piece and a battery, the comb-shaped polymer binder comprises an acrylate main chain, a flexible soft segment, a polar hard segment and a functional chain segment, the flexible soft segment, the polar hard segment and the functional chain segment are respectively grafted on the acrylate main chain, the flexible soft segment comprises an ether chain segment and / or an ester chain segment, the polar hard segment comprises a polar group and / or a first heteroaromatic ring group, and the functional chain segment comprises a functional group and a second heteroaromatic ring group. The functional chain segment comprises an aromatic ring group containing a pi-conjugated structure and / or a second heteroaromatic ring group containing a pi-conjugated structure. The comb-shaped binder adopts a structural design of'hard section anchoring + soft section buffering + functional side chain ', is helpful for enabling the binder to have high peel strength, stress buffering and electron conduction capabilities at the same time, is compatible with an existing wet coating-rolling process, is helpful for improving the peel strength and prolonging the cycle life of an electrode plate when being used for preparing the electrode plate, and is beneficial for improving the service life of the electrode plate. And the rate capability of the battery is improved.

The invention discloses a conductive yarn and a preparation method thereof, relates to the technical field of functional textile materials and composite conductive fiber preparation, and can solve the problems that an existing conductive yarn is poor in flexibility, insufficient in durability, prone to oxidation failure and difficult to integrate multiple functional performances. The preparation method comprises the following steps that S1, PBO yarn is soaked in a dopamine solution, a PDA modification layer is formed on the surface of the PBO yarn through a polydopamine self-polymerization reaction, and the PDA modification layer provides a chelation site and a bonding interface for metal deposition; s2, the PDA modified PBO yarn obtained in the step S1 is subjected to chemical silver plating, silver is deposited on a PDA modified layer to form a continuous conductive layer, and conductive PBO core yarn is prepared; s3, carrying out melt blending and granulation on the low-dielectric-constant flame-retardant filler and thermoplastic polymer resin to prepare flame-retardant composite particles; and S4, spinning by taking the conductive PBO core yarn prepared in the step S2 as a core layer and a melt formed by melting the flame-retardant composite particles prepared in the step S3 as a skin layer to prepare the conductive yarn.

Novel compositions and systems for closure of wounds with antimicrobial effectiveness are disclosed. The compositions provide devices of improved flexibility and elasticity and are readily applied to wound sites or over wound closure devices. The present invention is also directed to a novel platinum catalyst for use in such compositions. The catalyst provides for rapid curing on topical surfaces such as skin and bonds to such surfaces in about 2-5 minutes.

The embodiment of the invention provides a polymer binder, a preparation method thereof and an all-solid-state sulfide lithium battery. The polymer binder is a modified polyvinylidene fluoride-trifluorochlor oethylene copolymer, and chlorine in the modified polyvinylidene fluoride-trifluorochlor oethylene copolymer is partially or completely substituted by bromine and / or iodine; in the modified polyvinylidene fluoride-trifluorochlor oethylene copolymer, the molar ratio of a corresponding repeating unit of polyvinylidene fluoride to a corresponding repeating unit of trifluorochlor oethylene is (1-9): (9-1); in the modified polyvinylidene fluoride-trifluorochlor oethylene copolymer, the weight of chlorine is a, the weight of bromine and / or iodine is b, and b / (a + b) * 100% is equal to 1%-100%. The technical effect of improving the cycling stability and safety of the battery is achieved, and then the technical problems that when a traditional binder is applied to the all-solid-state sulfide lithium battery, the interface is unstable, the binding power is insufficient, and the traditional binder reacts with electrolyte are solved.

The invention discloses a UV curing adhesive for coating a low-refractive-index optical fiber and a processing method thereof, belongs to the technical field of adhesive preparation, and is used for solving the technical problem that the refractive index and the damp-heat resistance of the UV curing adhesive for coating the optical fiber in the prior art need to be further improved. The preparation method comprises the following steps: introducing a low-refractive-index hybrid siloxane prepolymer, a multi-component interface bonding prepolymer and a modified branched polyester prepolymer into a system together, and constructing a compact and uniform organic-inorganic three-dimensional network in a curing process by utilizing silica condensation, interface chemical bonding and a flexible chain segment cross-linking reaction, the low-refractive-index hybrid siloxane prepolymer endows a film layer with a stable refractive index, the multi-component interface bonding prepolymer enhances the binding force of a base material, the modified branched polyester prepolymer improves stress buffering and toughness, and the obtained cured film is low in refractive index, firm in interface bonding and small in mass change in a humid and hot environment and shows excellent optical stability and long-term reliability.

The invention discloses a binder and a preparation method thereof, a negative pole piece and a battery, and belongs to the technical field of batteries. The binder provided by the invention is a copolymer of linear polyamide acid and a diamino-containing aromatic compound; wherein the linear polyamide acid is a copolymer of a dianhydride monomer and a diamine monomer. The binder can alleviate the problem of volume expansion of the silicon-carbon negative electrode so as to alleviate the problem of capacity fading, and also can alleviate the capacity deterioration caused by the falling of active substances in the circulation process of the pole piece; and the conductivity of the pole piece is improved to a certain extent, and the dynamic performance of the battery is facilitated.

A plant marker with integrated insect monitoring capability. The plant marker includes a base layer having a rectangular segment and a pointed segment configured for soil insertion. The rectangular segment includes an upper surface coated with adhesive material for capturing insects and an underside surface formed of markable material for receiving plant identification information. A removable liner covers the adhesive material prior to use. The device enables simultaneous plant identification and pest assessment.

The invention relates to the technical field of high-molecular polymers, and particularly discloses a polyimide adhesive for high-temperature adhesion as well as a preparation method and application of the polyimide adhesive. The polyimide adhesive is prepared from the following raw materials in parts by mole: a diamine compound with a polyhydroxy structure, a flexible dianhydride compound, an organic solvent, a dehydrating agent and a catalyst, the preparation method comprises the following steps: dissolving a diamine compound in an organic solvent, adding a dianhydride compound, reacting to generate a polyimide precursor, adding a dehydrating agent and a catalyst, and reacting to generate the polyimide adhesive. The polyimide adhesive for high-temperature bonding can be applied to bonding of metal materials, ceramic materials and glass materials, and has the advantages of high bonding force, excellent high-temperature resistance, better chemical stability and capability of resisting acid and alkali erosion.

The disclosure relates to compositions including a constituent—A, which constituent—A consists of a polylysine component, a XL-component, and a fibrous component which fibrous component consists of at least one fibrous element which fibrous element includes vegetable fibers, and where the fibrous element is free of any fibers other than the vegetable fibers, where and the composition is free of any fibers other than the vegetable fibers of the fibrous component. The disclosure further relates to processes for obtaining an object from the compositions. The disclosure further relates to objects such as sheets, tapes, sticks, strips, films, cloths, containers, boards, panels, beams, frames, planks, engineered wood e.g. fibreboards obtained by said processes.

The invention discloses fluorine-containing bio-based epoxy resin as well as a preparation method and application thereof, and relates to the technical field of high polymer materials. The preparation method of the fluorine-containing bio-based epoxy resin comprises the following steps: enabling octafluoropentyloxy glycidyl ether as a fluorine unit to react with dihydric alcohol to obtain fluorine-terminated side chain butanediol, enabling the fluorine-terminated side chain butanediol to react with isocyanate to obtain a polyurethane prepolymer, and performing boric acid end capping on the polyurethane prepolymer by using 3-aminophenylboronic acid to obtain the fluorine-containing bio-based epoxy resin. The fluorine-containing bio-based epoxy resin (FBPU-ER) is prepared by the following steps: adding fluorine-containing polyurethane resin and phenylboronic acid into epoxidized soybean oil to obtain phenylboronic acid modified fluorine-containing polyurethane resin (FBPU), carrying out boric acid treatment on the epoxidized soybean oil by using 3-aminophenylboronic acid to obtain phenylboronic acid modified epoxy resin (BER), and finally, mixing the phenylboronic acid modified fluorine-containing polyurethane resin and the phenylboronic acid modified epoxy resin to obtain the fluorine-containing bio-based epoxy resin (FBPU-ER). The fluorine-containing bio-based epoxy resin prepared through fluorine-containing modification and toughening design has good mechanical properties, stability and self-repairing performance.

The invention provides a polyamide hot melt adhesive containing dynamic reversible covalent bonds and a preparation method thereof, and belongs to the field of high polymer materials. Caprolactam and nylon 66 salt are used as raw materials, a furan ring and a carbon chain with a specific length are introduced, and the polyamide hot melt adhesive containing the dynamic reversible covalent bond is obtained through polymerization with maleimide and a derivative thereof. The melting point of the polymer can be regulated and controlled by regulating and controlling the carbon chain length of aliphatic diamine introduced into the xF salt, a furan ring in the xF salt is subjected to DA addition reaction with maleimide and a derivative thereof, dynamic reversible sites are provided, crosslinking between molecular chains is formed, a net system is formed, and the bonding strength of the material can be greatly improved. By adjusting the ratio of the xF salt to the maleimide and the derivative thereof, the reversible crosslinking behavior of the polymer can be adjusted, and finally the hot melt adhesive which has a lower melting point and excellent bonding strength and can be repeatedly used and recycled is obtained.

The invention discloses a difunctional polyion liquid binder as well as a preparation method and application thereof, and belongs to the technical field of solid-state battery materials. The simple formula of the structure of the binder is poly ([VEIm] [FSI]-co-[UPhos]) modified by trifluoroacetoxy, wherein [VEIm] [FSI] represents an ionic liquid monomer unit consisting of 1-vinyl-3-ethylimidazolium cations and bis (fluorosulfonyl) imide anions; [UPhos] represents an ethylenically unsaturated phosphate ester monomer unit. The method is based on the ionic liquid, and the ionic liquid is polymerized by utilizing an initiator at a relatively high temperature. Diffusion and transmission of Li ions in the electrode material are effectively improved, and the internal resistance of the battery is reduced, so that the specific capacity and the cycling stability of the battery are improved.

A system for forming a blister package includes a thermoformable film and a lidding film. The thermoformable film has a thermoformable film exterior layer and a thermoformable film interior layer. The thermoformable film exterior layer includes at least 50% by weight polypropylene. The thermoformable film interior layer includes at least 50% by weight polypropylene and (a) a tackifier and / or (b) a cyclic olefin copolymer. The lidding film includes a lidding film exterior layer, a seal layer, and a lidding film interior layer between the lidding film exterior layer and the seal layer. The lidding film exterior layer includes at least 50% polypropylene. The lidding film interior layer includes at least 50% polypropylene and a tackifier. The seal layer includes a polyolefin plastomer.

A paver pedestal system is a versatile solution for elevated outdoor flooring, commonly used in rooftop terraces, plazas, and green roofs. However, wind uplift poses a significant threat to the stability of such systems, especially in high-wind areas. To mitigate this risk, paver pedestal systems are designed with enhanced features, such as mechanical fasteners, perimeter restraints, and interlocking pavers. These features ensure that pavers remain securely in place during strong winds. Additionally adhesive bonding methods are sometimes employed to further stabilize the structure. By combining these design elements, modern paver pedestal systems offer effective wind uplift protection while maintaining easy installation, drainage efficiency, and aesthetic appeal. This approach not only safeguards against potential damage but also extends the lifespan of rooftop surfaces, ensuring durability and safety in varying environmental conditions.

Systems for processing material, taping stations to apply tape to one or more rolls of material, and methods of processing material are disclosed. A system for processing material includes a winding station and a taping station. The winding station includes a winder to wrap material around a mandrel to produce one or more rolls of material. The taping station is arranged downstream of the winding station to receive the one or more rolls of material therefrom and apply tape to the one or more rolls of material.

The present disclosure provides a process. In an embodiment, the process includes providing a neat ethylene / propy-lene / non-conjugated polyene terpolymer (n-terpolymer) having a Mooney viscosity (ML (1+4) at 125C) less than 100 Mooney units (MU). The process includes exposing the n-terpolymer to electron beam radiation at a dosage from 0.2 megaRad (MRad) to 1.3 MRad. The process includes forming a branched ethylene / propylene / non-conjugated polyene terpolymer (b-terpolymer) having a Mooney viscosity ML (1+4) at 125C from 25 MU to 135 MU.

The invention designs a high-performance lipoic acid-based biomass adhesive as well as a preparation method and application thereof, and belongs to the field of bio-based adhesives in high polymer materials. The lipoic acid-based biomass adhesive disclosed by the invention is a light yellow solid and comprises the following raw material components: lipoic acid, a modifying reagent 1 and a modifying reagent 2. The preparation method of the lipoic acid-based biomass adhesive comprises the following steps: dissolving lipoic acid in a proper amount of an organic solvent, adding a modifying reagent 1, uniformly stirring, adding a catalyst 1, and reacting at a certain temperature; and adding a modifying reagent 2 and a catalyst 2 to react to obtain the lipoic acid bio-based adhesive. The lipoic acid-based biomass adhesive disclosed by the invention has the characteristics of environment friendliness, degradability, high bonding strength, convenience in bonding, recyclability, repeated use, complex environment bonding resistance and the like.

A laminar structure comprising a substrate bonded to a coating wherein the bonding is provided by an intermediate layer of a block copolymer of structure (I) and the intermediate layer preferably comprises a thermoplastic film coated with the block copolymer which is also of the invention.

The present disclosure provides a coating slurry, a coated separator, a preparation method of the coated separator, and a battery including the coated separator. The coating slurry includes: a solvent, an adhesive polymer resin, and a photoinitiator, where a weight proportion of the photoinitiator in the coating slurry is 0.08 wt% to 1.0 wt%; and the adhesive polymer resin includes one or a combination of two or more of a polyvinylidene fluoride (PVDF)-based adhesive polymer resin, a polyimide (PI), a polyetherimide (PEI), and polymethylmethacrylate (PMMA). When the weight proportion of the photoinitiator in the coating slurry is controlled at 0.08 wt% to 1.0 wt%, the photoinitiator can well penetrate into separator substrate layers after the coating slurry is coated on a membrane to ensure that enough reactive free radicals are produced by the photoinitiator in the membrane, a ceramic layer, and a combined interface layer to allow sufficient photoinitiation efficiency and crosslinking degree, which ensures a complete crosslinking effect of an entire surface of a separator and greatly improves a breakage temperature of a separator. In addition, when the weight proportion of the photoinitiator in the coating slurry is controlled in the above range, a content of the photoinitiator remaining in an adhesive coating layer will not be too high, such that the photoinitiator will not affect a surface resistance of a separator and thus will not affect an interfacial resistance of a battery.

A device for peeling off at least one protective film from a plate-shaped object, a detachment device with at least one roller exerting a pressure force on the protective film in the edge region of the plate-shaped object and thereby detaches the protective film, the protective film being at least partially lifted from the plate-shaped object with at least one adhesive tape and taken up by at least one drum in rotating motion, wherein the device has at least one swiveling contact arm and a stamp arranged thereon having a stamp surface for applying the adhesive tape.

The present invention relates to a polymer comprising units derived from a carboxylic acid comprising at least two carboxylic groups or its anhydride and from an alcohol comprising at least two OH-groups, wherein the alcohol comprising at least two OH-groups is a bi-cyclo-aliphatic diol of formula (IX) with R1 = ethyl, -CH2-CH2-CH2OH, or -CH(-CH3)-CH2OH, and R2 = H or -CH2OH, with the proviso that R2 is not H when R1 = ethyl, to a process for preparing a polymer by reacting at least one carboxylic acid comprising at least two carboxylic groups or its anhydride or ester and at least one alcohol comprising at least two OH-groups, wherein the alcohol comprising at least two OH-groups used is a bi-cyclo-aliphatic diol of formula (IX), and to the use of a polymer according to the invention or obtained by a process according to the invention as or for the production of lacquers, coatings or adhesives, preferably tube or can coatings, metal decorating enamels, heat sealing lacquers, hot laminating adhesives, or primers.

A system and method is provided. In one aspect, the system and method may calculate a time period for each mode of a plurality of modes. The system and method may index through each mode for the corresponding time period to provide power to the plurality of thermal elements according to the mode. In another aspect the system and method may index sequentially through each mode of a plurality of modes and apply power to an indexed mode while measuring an electrical characteristic of the thermal elements for the indexed mode.

The application discloses a kind of temporary bonding glue and its application.Temporary bonding glue includes polyimide, the polyimide includes big conjugate unit, the conjugate atom number of big conjugate unit is greater than or equal to 40, and big conjugate unit includes at least one of diphenyl ether group, fluorenyl group or indane structural unit;The polyimide further includes at least one of benzotriazole group, nitro group.The application is improved on the structure of polyimide, and the temporary bonding glue is used in wafer processing, so that the absorbance of temporary bonding glue at target debonding wavelength 355nm is significantly increased, thereby significantly reducing threshold debonding energy, and it is expected to reduce the risk of wafer warping, cracking, or surface device failure, improve the life of laser and debonding efficiency.

The present invention relates to a panel, in particular a floor panel or wall panel, comprising a core layer comprising a mineral filler, a polymeric binder, and optionally a plasticizer; and a coating layer located on a bottom surface of the core layer. The invention further relates to a composition for forming a coating layer. The invention further relates to a method of manufacturing a panel, comprising providing a core layer comprising at least one mineral filler and at least one polymeric binder, applying a composition to at least part of a bottom surface of the core layer, and at least partially crosslinking the composition to obtain a coating layer.

The invention relates to the field of solid electrolyte preparation, and discloses a preparation method of a solid electrolyte membrane, the solid electrolyte membrane, a pole piece and a battery, the preparation method of the solid electrolyte membrane comprises the following steps: S1, uniformly mixing solid electrolyte powder with a fiberized binder to obtain a mixture; s2, rolling the mixture to form a primary membrane with a preset thickness; and S3, carrying out transverse and longitudinal two-way stretching on the primary membrane at a first temperature to obtain the solid electrolyte membrane, wherein the binder comprises PVDF (Polyvinylidene Fluoride) and / or a copolymer of PVDF; and the thickness of the solid electrolyte membrane is not greater than 10 microns. According to the invention, the excellent film-forming property and mechanical strength of the binder system are utilized, so that the solid electrolyte membrane has better processability, the solid electrolyte membrane can be stretched to be less than 10 microns, the safety performance of the battery can be guaranteed, and the energy density of the battery can be considered.

This invention concerns an electrolysis cell comprising an anode compartment with an anode in contact with an anode support, a cathode compartment with a cathode in contact with a cathode support, a separator between the anode and the cathode compartment and a sealing member for sealing an electrolyte in the anode and the cathode compartment, wherein the sealing member comprises a polymer blend of at least two different polymers A and B, wherein the polymer A is selected from the group consisting of polymers according to the following formula 1, (1) wherein n = 10 – 20.000, m = 0, 1 or 2, each R1 is independently selected from the group consisting of C1-C3-Alkyl or a further polymer chain according to formula 1, X is independently selected from the group consisting of S, O, SO2, CH2, CO, or isomeric forms or mixtures thereof; and polymer B is selected from the group consisting of synthetic elastomeric rubbers or mixtures thereof. Furthermore, the invention is directed to an electrolyser stack comprising two or more of the inventive electrolysis cells.

Disclosed herein are multilayer composite laminates comprising continuous fibers and a polymer matrix comprising a poly(arylene sulfide) (PAS) polymer, a polyetherimide (PEI) polymer, and a polyamide-imide (PAI) polymer.