42 results about "Polymer bonding" patented technology

The invention provides a polymer bonding microsphere, a bonding microsphere dispersion liquid and a preparation method and application thereof. The D50 particle size of the polymer bonding microspheres is 1-10 microns, the P value is less than or equal to 0.3, the glass transition temperature is 30-90 DEG C, the electrolyte swelling ratio is less than or equal to 150%, and the P value is equal to (sigma / d) 2 / [1 + (sigma / d) 2]; sigma is the standard deviation of the diameter of the polymer bonded microspheres, and d is the average diameter of the polymer bonded microspheres. The polymer bonding microspheres provided by the invention are good in particle size uniformity, the lithium battery diaphragm containing the polymer bonding microspheres is relatively high in bonding force with a positive plate and a negative plate, and a lithium battery containing the lithium battery diaphragm is low in internal resistance, good in cycling stability and good in bonding effect with the positive plate and the negative plate; the bonding microsphere dispersion liquid containing the polymer bonding microsphere has good stability.

Provided is a weak anchoring liquid crystal alignment agent which is used for forming a liquid crystal alignment film of a liquid crystal cell that has liquid crystals and the liquid crystal alignment film, and which comprises: at least one polymer (A) that is selected from the group consisting of polyamic acids, polyamic acid esters, polyimides, polyamides, and polyuria; and a polymer (B) that is compatible with the liquid crystals and that exhibits weak anchoring properties, said weak anchoring liquid crystal alignment agent containing a graft copolymer in which the polymer (A) and the polymer (B) are bonded.

This invention relates to the field of solid propellant technology, specifically disclosing a neutral polymer bonding agent, its preparation method, and its application in solid propellants. The neutral polymer bonding agent is prepared by polymerization of poly(hydroxyalkyl polyacrylate) and cyanoacetic acid as raw materials. It can achieve controllable molecular weight and controllable proportion of functional groups in the polymer. Moreover, the active group -CN in the neutral polymer bonding agent has low steric hindrance and is more easily adsorbed on the surface of ammonium nitrate particles, thereby improving the bonding effect.

The invention discloses a high-toughness cement-polymer composite material and a preparation method thereof, and belongs to the technical field of cement materials. The high-toughness cement-polymer composite material comprises a plurality of stacked cement sheets, the cement sheets are bonded and connected through a polymer, each cement sheet comprises a plurality of cement sub-sheets, and the included angle between the cement sub-sheets of the adjacent cement sheets is 10-90 degrees. The upper surfaces of the cement sheets are coated with polymers, the cement sheets on the upper layer are assembled on the cement sheets, the cement sheets are sequentially and repeatedly assembled till the set number of layers is reached, and a composite material blank is obtained. By adopting the high-toughness cement-polymer composite material and the preparation method thereof, the problem of poor toughness of an existing cement-based material can be solved.

This disclosure relates to a process for the synthesis of a compound of formula (I): (I) wherein w, x, y, and z are as defined in the description. The process includes the reaction of a compound of formula (II): (II) with carbonyldiimidazole, and the reaction of the resulting compound with propargylamine.

A composite material comprising an adhesive film comprising a polar polymer bonding layer of ethylene methyl acrylate and ketene vinyl acrylate, and a bonding resin of polyethylene, polypropylene, ethyl vinyl acetate, acrylate, or combinations thereof; a metal substrate adhered to the bonding resin; and a polymer layer adhered to the polar polymer bonding layer, the polymer layer comprising polyvinyl chloride.

The present invention provides a mixed bonding agent of a fluorine-containing polymer and an amino-containing polymer and a preparation method thereof. The present invention synthesizes a fluorine-containing polymer and an amino-containing polymer separately, and obtains the mixed bonding agent by mixing the two polymers in different ratios. This novel polymer mixed bonding agent is suitable for a solid propellant system composed of RDX as an oxidant and fluoropolymer F2313 as a binder. The mixed bonding agent contains both fluorine-based groups and amino groups. The fluorine-based groups increase the number of fluorine-containing segments in the binder F2313 that migrate to and accumulate on the surface, making the fluorine-containing polymer bonding agent and the binder F2313 more easily bonded. The amino groups form intermolecular hydrogen bonds with the oxidant RDX, thereby improving the adhesion work with the oxidant RDX. The mixed bonding agent can improve the "dewetting" phenomenon at the F2313 / RDX solid propellant interface, thereby improving the mechanical properties of the F2313 / RDX solid propellant.

The invention discloses an anti-falling building external wall thermal insulation composite material and a preparation method thereof, and belongs to the technical field of building materials. According to the invention, the ordinary Portland cement is used as a main cementing material, and is matched with the redispersible latex powder and the acrylate emulsion to form a rigid-flexible dual polymer bonding system, and the system not only significantly improves the bonding force between the composite material and a base wall, but also can buffer the internal stress generated by temperature change or structural deformation, so that the thermal insulation performance of the composite material is improved. Therefore, long-term stable adhesion of the insulating layer is ensured; by adding the glass beads, the overall density and the heat conductivity coefficient of the external wall thermal insulation material can be reduced, the load of a building external wall is effectively reduced, and meanwhile, a good thermal insulation effect is provided.

Provided is a stationary phase for chromatography, the stationary phase being made of inorganic carrier particles to which is bonded a polymer having a hydrophilic group on repeating units of a main chain thereof, and being produced by a particular production method.

The invention provides a thin building floor sound insulation system and a construction method, and belongs to the technical field of light sound insulation building materials. The system sequentially comprises a base layer processing layer, an elastic cushion layer, a composite damping prefabricated plate layer, a polymer bonding layer, a light leveling layer and a facing layer from bottom to top. Wherein the composite damping prefabricated plate layer is provided with an internal material gradient structure, and the composite damping prefabricated plate layer is in continuous transition from a high-damping mixture area to a scattering enhanced mixture area from bottom to top; the polymer bonding layer is formed by flexible polymer modified cement mortar, and interlayer chemical bridging and mechanical occlusion are achieved in cooperation with self-activation treatment on the surface of the plate. Damping dissipation and sound wave scattering are synergistically achieved through the gradient structure, interlayer stress is buffered through the flexible bonding layer, efficient attenuation of wide-frequency-band impact sound is achieved under the conditions of extremely small thickness and low load, and the contradiction between space limitation and high sound insulation requirements in existing residence transformation is effectively solved.

The invention discloses a glass surface treatment method capable of resisting high-temperature and high-pressure injection molding shear force, and relates to the technical field of glass surface treatment. Aiming at the problems of interface layering, cracking, falling and sealing failure of a glass product in a high-temperature and high-pressure injection molding coating process, a glass substrate is sequentially subjected to decontamination cleaning, double-phase activation, coating and film forming, directional leveling, pre-curing and injection molding coating treatment; and forming a three-belt type self-locking polymer bonding layer with the thickness of 8-18 microns on the surface of the glass. The three-belt type self-locking macromolecule bonding layer is composed of a glass anchoring layer, a shearing buffering layer and a plastic affinity layer, the glass anchoring layer and the surface of glass form strong interface anchoring, the shearing buffering layer is used for absorbing injection molding shearing stress, and the plastic affinity layer and injection molding plastic form a high-compatibility interface.

The present disclosure relates to a method of manufacturing a polymeric laminate composition suitable for a photovoltaic element comprising, said polymeric laminate composition comprises off-stoichiometry thiol-ene polymer (OSTE) and luminescent nanoparticles, wherein the method comprises performing a surface modification of provided luminescent nanoparticles resulting in the introduction of photopolymerizable functional groups on said provided luminescent nanoparticles, wherein the luminescent nanoparticles in the polymeric laminate composition having a surface coverage of photopolymerizable functional groups bonded to thiol-ene polymer of 20-50%.

Provided is frequency-selective insulating glass for buildings. The insulating glass comprises: a first glass layer; a first insulating metal thin film layer disposed above the first glass layer; a polymer bonding layer disposed above the first insulating metal thin film layer; a second insulating metal thin film layer disposed above the polymer bonding layer; and a second glass layer disposed above the second insulating metal thin film layer. Here, each of the insulating metal thin film layers comprises a plurality of first unit cells and second unit cells. Here, at least a part of the first unit cells comprises: a first pattern of a reference scale; and a first pattern of a first reduced scale, which is disposed in at least one blank area provided in the first pattern of the reference scale.

An adhesive system includes a tape and a solid activator composition. The tape comprises a curable adhesive film, the curable adhesive film comprising: a film of a polymer; an unsaturated free radical polymerizable group, the unsaturated free radical polymerizable group being capable of bonding to the polymer, or in a substance different from the polymer; and a transition metal cation. The solid activator composition comprises an oxidizing agent and is not a self-supporting membrane. Also described is a kit comprising a tape and a solid activator composition in the form of a crayon or paste. A method of bonding a first substrate includes rubbing a solid activator composition on the first substrate or spreading the solid activator composition onto the first substrate, and then applying a tape. Also described is a crayon comprising an oxidizing agent and an acrylic polymer comprising crystalline monomer units having from 16 to 50 carbon atoms and at least one other monomer unit.

The invention discloses a composite diaphragm and a secondary battery comprising the composite diaphragm. The composite diaphragm comprises a diaphragm base membrane and an ion fast-pass composite thin layer arranged on one side of the diaphragm base membrane, wherein the ion fast-pass composite thin layer comprises the following raw materials: a lithium ion conducting material, a thermal diffusion filler, a conductive agent, inorganic functional particles and a polymer binding phase. According to the composite diaphragm provided by the invention, the ion fast-pass composite thin layer is constructed on the single surface of the diaphragm base membrane, interface polarization is reduced and hot spots are dispersed through cooperation of the lithium ion conducting material and the thermal diffusion filler, and the 5C capacity retention ratio is improved and the acupuncture peak current and the highest temperature rise are reduced under the condition that the energy density is not obviously sacrificed; and the trace inorganic functional particles inhibit interface side reaction caused by acidic by-products, slow down impedance drift and gas production, improve safety consistency, and have detectable element characteristic signals.

Frequency-selective building insulating glass is provided. The insulating glass comprises: a first glass layer; a first insulating metal thin film layer disposed on the first glass layer; a polymer bonding layer disposed on the first insulating metal thin film layer; a second insulating metal thin film layer disposed on the polymer bonding layer; and a second glass layer disposed on the second insulating metal thin film layer. Here, each of the first insulating metal thin film layer and the second insulating metal thin film layer includes a plurality of first unit cells and second unit cells. At least some of the first unit cells include a grid pattern and at least some of the second unit cells include a square slit.

A razor blade has a sharp cutting edge having an outer bonding surface. A phosphonate polysiloxane composite layer is deposited on the outer bonding surface, forming an outermost layer of the sharp cutting edge. The phosphonate polysiloxane composite layer is comprised of one or more layers. The phosphonate is covalently bonded to the outer bonding surface. The siloxane is covalently bonded to the phosphonate, and in some applications, also covalently bonded to the outer bonding surface. The siloxane is a reactive silicone polymer, bonded to the phosphonate or outer bonding surface, creating a layer that is branched, lightly crosslinked, or even heavily crosslinked. The phosphonate polysiloxane composite can be formed by the use of heat, UV exposure, IR exposure, combinations of heat, UV, and / or IR, and electron beam, ion beam, or other ionizing sources.

The utility model discloses a door opening autoclaved lightweight concrete (ALC) wallboard reinforcing device based on a structural column, which relates to the technical field of building assembly type wall reinforcing and comprises the structural column, a structural beam and a structural plate which are arranged on one side of a door opening, an ALC transverse plate arranged on the top of the door opening and an ALC vertical plate arranged on the other side of the door opening. One end of the ALC transverse plate is connected with the structural column through a fixing piece, and the other end of the ALC transverse plate is matched with the ALC vertical plate in a mortise and tenon joint mode. Polymer adhesive mortar is filled between the ALC transverse plates and the structural columns, between the ALC transverse plates and the structural beams, between the ALC transverse plates and the ALC vertical plates and the like. The problem that the transverse plate above the door opening is difficult to fix in traditional installation is solved, cast-in-place-free lintel construction is achieved through rigid anchoring of the angle steel and the structural column, tenon-and-mortise matching of the end of the transverse plate and mortar filling, and the connecting structure is suitable for rapid installation of the adjacent column ALC wallboard on one side of the building door opening.

The invention discloses a silicon-based compound prepared based on organic modified silicate polymer bonding and a preparation method thereof, the silicon-based compound comprises a substrate and a functional layer wafer, the substrate and the functional layer wafer are bonded together through a bonding layer, and the bonding layer is an organic modified silicate polymer layer. A polymer of the organic modified silicate polymer layer is prepared from precursor molecules through a polymerization reaction. The silicon-based composite material is prepared by adopting a direct bonding process and utilizing the advantages of high melting point, good physical and mechanical properties, stable chemical properties, adjustable acoustic, optical and electrical properties and the like of the organic modified silicate polymer, so that the advantages of mechanical properties, electrical properties, corrosion resistance, high temperature resistance and the like of a device system prepared on the basis of the composite material are remarkably improved; the method is of great significance in improving key performance indexes such as working efficiency and stability of the device, and in addition, convenience is provided for semiconductor integration and miniaturization of the device.

This description provides an adhesive composition. The adhesive composition contains (A) multi-stage latex polymer particles, (B) a linear diamine base, and (C) an ethoxylated surfactant. The (A) multi-stage latex polymer particles include (i) a first-stage polymer containing acrylic acid monomer and a first vinyl monomer, and (ii) a second-stage polymer containing methacrylic acid monomer and a second vinyl monomer, provided that the second vinyl monomer is different from the methacrylic acid monomer. The first-stage polymer is bonded to the second-stage polymer.

The application discloses a magnetic material, preparation and rotor and thermal management system thereof, wherein the magnetic material is at least partially provided with a composite coating layer, the composite coating layer comprises a first coating layer containing a P(O) structure fragment and a second coating layer containing a structure fragment, and the magnetic material is in a powder form; the magnetic material can be processed into a granular magnetic composite material comprising the magnetic material, a resin polymer bonding layer and a high molecular elastomer, wherein the high molecular elastomer is located between the particles of the powder magnetic material and is dispersed in the resin polymer layer together with the powder magnetic material. The magnetic material disclosed by the application can be applied to the rotor and the thermal management system. The application effectively solves the problem of performance attenuation in the process of processing and using the related magnetic material, and simultaneously improves the processability, magnetic performance, mechanical performance and environmental stability of the magnetic material, so that the use demand of the magnet involved in the thermal management system of the new energy automobile can be met.

A razor blade with a sharpened cutting edge with an outer bonding surface. A phosphonate polysiloxane composite layer deposited on the outer bonding surface forming an outermost layer of the sharpened cutting edge. The phosphonate polysiloxane composite layer is composed of one or more layers. The phosphonates are covalently bonded to the outer bonding surface. The siloxanes are covalently bonded to the phosphonates and in some applications are also covalently bonded to the outer bonding surface. The siloxanes are a reactive silicone polymer, bonded to the phosphonates or outer bonding surface creating branches, mild crosslinking or even heavily crosslinked layers. The phosphonate polysiloxane composite may be formed through the use of thermal, UV exposure, IR exposure, a combination of thermal, UV, and or IR, as well as e-beam, ion-beam, or other ionization source.

The present invention relates to a toner. A toner comprising toner particles, the toner particles comprising a binder resin comprising a polyester resin and a polyolefin-based resin having a sulfonic acid group, wherein the polyolefin-based resin having a sulfonic acid group is a polymer in which a vinyl-based polymer is bonded to a polyolefin, the content ratio of monomer units containing a sulfonic acid group in the vinyl-based polymer is 1.0% to 20.0% by mass, and in an FT-IR spectrum obtained by measuring a large-particle toner and a small-particle toner obtained by dividing the toner into two approximately equal parts based on the number of particles, a sulfonic acid group at 1130 cm ‑1 to 1170cm ‑1 The intensity of the maximum absorption peak in the range of 1713 cm ‑1 to 1723cm ‑1 The ratio of the intensities of the maximum absorption peaks within a range shows a specific relationship.

Provided is a building insulating glass having frequency selectivity. The insulating glass comprises: a first glass layer; a first insulating metal thin film layer disposed on top of the first glass layer; a polymer bonding layer disposed on top of the first insulating metal thin film layer; a second insulating metal thin film layer disposed on top of the polymer bonding layer; and a second glass layer disposed on top of the second insulating metal thin film layer. The insulating metal thin film layers include a plurality of first unit cells and a plurality of second unit cells, respectively. In at least some of the first unit cells or the second unit cells, regions other than slits provided in a first pattern or a second pattern are formed as a metal mesh structure.

The present invention relates to a sealing device (1) comprising a polymer waterproof layer (2) and a barrier composite layer (3), said barrier composite layer (3) comprising a polymer bonding layer (4), a metal or polymer barrier layer (5), and a polymer protective layer (6). The invention also relates to a method of manufacturing the sealing device and to a roofing system comprising a roofing mat (10) and a sealing device (1) adhered to the surface of the roofing mat (10).

The invention relates to the technical field of lithium ion batteries, in particular to a high-rate lithium ion battery and a method for preparing the high-rate lithium ion battery. The battery comprises a positive electrode, a negative electrode, a diaphragm and an electrolyte, the positive electrode material contains single-crystal nickel cobalt lithium manganate, and the particle size distribution of the single-crystal nickel cobalt lithium manganate meets the following conditions: D50 is 6-9 microns, and the specific surface area is 0.5 m / g-1 m / g; the negative electrode material comprises a graphite mixture with the surface coated with amorphous metal oxide, the graphite mixture comprises first graphite and second graphite, the particle size distribution of the first graphite meets the condition that D50 is 7-9 microns and the specific surface area is 1.7-2.5 m / g, and the particle size distribution of the second graphite meets the condition that D50 is 11-14 microns and the specific surface area is 1.5-2.0 m / g; the electrolyte comprises a 1, 3-propane sultone additive; the diaphragm is a composite diaphragm comprising a polymer bonding layer and a heat-resistant inorganic matter coating. The application of the scheme is beneficial to prolonging the service life of the battery.

The utility model relates to the technical field of adhesive mortar preparation, in particular to a polymer adhesive mortar preparation device. The preparation device comprises a preparation cylinder, a feeding port formed in the top of the preparation cylinder, an end cover rotationally arranged at the top of the preparation cylinder, a pull ring arranged at the top of the end cover, a square groove formed in the side face of the preparation cylinder, a stirring preparation mechanism, a switching mechanism and a rotating mechanism, wherein the stirring preparation mechanism is arranged on the inner side of the preparation cylinder; the materials are stirred through rotation and revolution at the same time; the switch mechanism is arranged on the outer side of the configuration barrel, and the switch state of the configuration barrel is adjusted through lifting and positioning; the rotating mechanism is arranged on the side surface of the configuration cylinder and rotates to keep the configuration cylinder in an inclined state or a vertical state. Through the arrangement of the rotating mechanism and the switching mechanism, the sealing door is opened and fixed through the rotating rod I, and then the configuration barrel is obliquely fixed through the rotation of the holding rod, so that materials can flow more smoothly along the inclined surface, and the blanking speed is improved.

This invention belongs to the field of optical device technology and discloses a MEMS device and packaging method based on SU8 adhesive. The method includes a structural substrate and a packaging wafer anoly bonded by an SU8 adhesive bonding ring. The packaging wafer has grooves to form a moving microcavity. A getter is deposited within the moving microcavity of the packaging wafer. The moving microcavity also accommodates a movable MEMS structure disposed on the surface of the structural substrate. Chip pads and metal leads are laid on the outer side of the moving microcavity. The packaging wafer also has an anti-reflow groove located at one end of the packaging wafer near the SU8 adhesive bonding ring. This invention uses SU8 adhesive to fabricate a polymer bonding ring on a complex packaging wafer with a microcavity. By optimizing the SU8 adhesive pretreatment process and designing an anti-reflow structure, contamination of the device due to SU8 adhesive flow is avoided. Polymer wafer-level bonding is used to achieve MEMS device packaging, and chip separation is achieved through two dicing operations. This method has advantages such as low temperature, low stress, flexible process, and low cost.

Building insulating glass having frequency selectivity is provided. The insulating glass comprises: a first glass layer; a first insulating metal thin film layer disposed on the first glass layer; a polymer bonding layer disposed on the first insulating metal thin film layer; a second insulating metal thin film layer disposed on the polymer bonding layer; and a second glass layer disposed on the second insulating metal thin film layer. Here, the first insulating metal thin film layer and the second insulating metal thin film layer include a plurality of first unit cells and second unit cells, respectively. At least a portion of the first unit cells includes a Jerusalem pattern and at least a portion of the second unit cells includes square slits.