331 results about "Polymer resin" patented technology

A cable trough for installing cables alongside a railway line or other right of way is described. The cable trough is constructed using longitudinally oriented reinforcing fibers coated with polymeric resin that generally aligns the reinforcing fibers with the length of the cable trough. One or more connector clips may be used to secure respective portions of the cable trough to one another. The cable trough is provided with a cover that may be removably secured to an elongate channel to protect the cables housed within the cable trough. Elbows, corners, tees, and other connectors may be provided to run the cable trough in any desired direction. A method of installing cables in a cable trough is also described.

A formulation and method for producing a multilayer film and a coated multilayer film comprising a barrier layer including a polar polymer resin, such as EVOH, as described.

The invention relates to the technical field of powder coatings, and provides a preparation method and equipment of a metal-texture colored powder coating, and the method comprises the following steps: carrying out dispersion treatment on flaky aluminum powder through an alcohol solvent, and then adding a silicon source for hydrolysis reaction, so that the surface of the flaky aluminum powder is coated with a silicon dioxide layer; dispersing the flaky aluminum powder coated with the silicon dioxide layer into water, and adding composite metal salt for co-deposition treatment, so that the surface of the flaky aluminum powder is coated with a composite metal oxide layer; and dispersing the flaky aluminum powder coated with the silicon dioxide layer and the composite metal oxide layer into an organic solvent for polymerization reaction, so that the surface of the composite metal oxide layer is coated to form a polymer resin layer, and the modified aluminum pigment is obtained. The composite metal salt is added for co-deposition treatment, so that the surface of the flaky aluminum powder is coated with the composite metal oxide layer, and the color transition effect can be realized and the color richness can be improved by adjusting the proportional gradient change of various metal salts in the composite metal salt.

The application discloses a novel flexible printed circuit board and camera module prepared based on weldable low-temperature silver paste, and belongs to the technical field of electronic materials and devices. The conductor pattern in the flexible printed circuit board comprises a main circuit pattern and an auxiliary function structure formed by weldable low-temperature cured silver paste. The curing temperature of the weldable low-temperature silver paste is 87-103 DEG C. The silver paste comprises conductive fillers, a polymer resin system, ester solvents, a curing agent, a silane coupling agent, polyamide wax thixotropic agents, polysiloxane defoaming agents, modified carbon nanotubes, modified antimony tin oxide powder, modified ceramic fillers and low-stress modifiers. The polymer resin system comprises hydrogenated bisphenol A type epoxy resin, diphenyl type epoxy resin and polyacrylate-CTBN copolymer. The conductive fillers comprise silver-coated copper flaky powder, nano silver wire and low-temperature alloy powder. Through the synergistic effect of components and the innovative process, the comprehensive improvement of mechanical properties, conductive properties, high-frequency characteristics and welding reliability is realized under the premise of ultralow-temperature curing.

The present specification provides a polymer resin compound, a method for preparing the same, a photosensitive resin composition including the polymer resin compound, and a photosensitive material formed using the photosensitive resin composition.

The invention relates to automobile film surface protection, and provides a scratch-resistant coating composition and a preparation method thereof. The composition is prepared from polymer resin containing an acrylate group, polysiloxane acrylate containing a hydrolyzable alkoxy silicon group, composite silane modified double-particle-size nano silicon dioxide, a photoinitiator, an organic silicon cross-linking agent and an auxiliary agent, wherein the nano silicon dioxide is composed of a small-particle-size group and a large-particle-size group; and gamma-methylacryloyloxypropyl silane and gamma-glycidoxypropyl silane are respectively grafted to the two monomers. A micro-thin transparent hard coating is formed on the surface of a polyester base material through staged ultraviolet curing and damp-heat curing, so that the coating has high surface hardness and abrasion resistance and excellent damp-heat aging adhesive force and whitening resistance while keeping high light transmittance and low haze.

The present invention relates to an all-solid-state battery and a method for manufacturing same and, more specifically, to an all-solid-state battery comprising: an electrode assembly in which at least one unit cell is stacked; and a pouch for packaging the electrode assembly. The unit cell includes a positive electrode, a negative electrode, and a solid electrolyte between the positive electrode and the negative electrode, and the pouch includes an insulating layer and a metal layer on the insulating layer, the insulating layer containing a polymer resin and a heat absorbing material dispersed in the polymer resin, wherein the endothermic initiation temperature of the heat absorbing material is 170°C to 300°C.

The utility model discloses a kind of non-contact optical coherence elastic imaging endoscope devices, comprising: non-contact ultrasonic excitation and optical detection integrated probe and high-speed sweep frequency laser, the integrated probe includes air-coupled ultrasonic transducer, collimating optical fiber, off-axis parabolic mirror and polymer resin packaging shell, air-coupled ultrasonic transducer diameter is not greater than 2.5 mm, center frequency is not less than 250 kHz, collimating optical fiber is single-mode fiber and emission end integrated collimator is used to produce collimating beam, off-axis parabolic mirror focal length is greater than 7 mm, the polymer resin packaging shell is used to integrally package integrated probe, the polymer resin packaging shell is designed using 3D printing, and it is windowed at the exit end of the off-axis parabolic mirror;The scanning speed of this high-speed sweep frequency laser is 100 kHz, center wavelength 1310 nm, bandwidth 100 nm, synchronous output trigger clock and sampling clock.

The invention discloses a high-elongation dielectric composition, a preparation method and an application method thereof, and a substrate. The dielectric composition with high elongation rate comprises high-molecular resin and inorganic filler, wherein the polymer resin comprises bonding resin, and the bonding resin comprises epoxy resin and phenolic resin; the structural resin is selected from at least one of a polymer with a main chain containing an aromatic ring and / or a heterocyclic ring and a rubber polymer; the dielectric constant of the inorganic filler is not less than 2000 in the frequency range of 1kHz to 1GHz. Through a specific synergistic resin system, the high dielectric constant and the high elongation rate are achieved at the same time, the excellent melt viscosity, the excellent heat resistance, the low thermal expansion coefficient and the low hygroscopicity are achieved, and the defects of layering and plate explosion caused by poor fluidity, poor mechanical performance and mismatching of thermal stress in the manufacturing process of an existing high-Dk material are overcome.

The transfer release film according to the present invention includes a substrate, a release layer formed by coating one surface of the substrate with a release composition containing an ion-conductive polymer resin and a solvent, and a lithium vapor-deposited layer formed by vapor deposition on the upper surface of the release layer. In the transfer release film according to the present invention having such a configuration, the release layer detaches from the substrate and is transferred to the electrode together with the lithium vapor-deposited layer, thereby jointly performing the role of a protective layer for the lithium vapor-deposited layer.

The invention belongs to the technical field of electronic paste, and particularly relates to silver-nickel paste for a radio frequency identification antenna and a preparation method of the silver-nickel paste. The silver-nickel paste comprises the following components in percentage by mass: 50-60% of conductive metal powder, 5-20% of polymer resin and a solvent, the conductive metal powder comprises first-stage powder, second-stage powder and third-stage powder, the particle size D50 of the first-stage powder, the particle size D50 of the second-stage powder and the particle size D50 of the third-stage powder are decreased step by step, the first-stage powder is nickel powder, and the second-stage powder and the third-stage powder are silver powder; the conductive metal powder comprises nickel powder and silver powder; the macromolecular resin comprises vinyl chloride-vinyl acetate resin and polyester resin; the solvent is dibasic acid ester. The silver-nickel paste capable of replacing pure silver conductive paste is firstly provided, on one hand, the material cost of the radio frequency identification antenna printing paste is reduced, and on the other hand, the particle size design and metal model selection are combined to optimize the conductive performance after nickel replacement.

The application relates to the technical field of conductive silver paste, and discloses a low-resistance polymer conductive silver paste composition and a preparation method thereof, which comprises the following raw materials in parts by mass: polymer resin 40-50 parts, nano silver powder 10-15 parts, composite silver nanowire 3-5 parts, composite layered material 5-8 parts, aromatic polyisocyanate 3-5 parts, butyl citrate 2-4 parts and ethylene glycol 6-10 parts. The contact area of the composite silver nanowire and the silver paste composition substrate is large, so that the modified silver nanowire is uniformly dispersed in the silver paste composition, the conductive performance is improved, and the system stability is improved; the composite layered material has high barrier performance to oxygen and water molecules, further inhibits the oxidation of the silver paste composition, and improves the conductive performance and the system stability of the silver paste composition.

To provide a water-repellent layer that can be bonded to a catalyst layer with high bonding strength. [Solution] A water-repellent layer for a fuel cell, wherein a bonding material layer containing a fluoropolymer resin or a fluoropolymer electrolyte is formed on at least one surface.

The invention discloses a post-treatment system for polymer resin discharging, and relates to the technical field of resin material processing. Comprising a precipitation tank for receiving polymer resin discharged materials, the precipitation tank is connected with a liquid screen, the liquid screen is connected with a buffer tank, the buffer tank is connected with a dehydration device, the dehydration device is connected with a drying device, the drying device is connected with a gas-solid separation device, the gas-solid separation device is connected with a dry material screen, and the dry material screen is connected with the liquid screen. And the dry material sieve is connected with a finished product bin. By arranging the two stages of screening units, the pre-liquid screen is used for pre-screening resin slurry before dewatering and drying, large-particle impurities or jelly which is not fully reacted in the slurry can be effectively removed, and the load of a subsequent dry material screen is reduced; the subsequent dry material screen performs secondary screening after the resin is dehydrated and dried, the particle size of the finished resin can be more accurately controlled, and the screening efficiency and the screening effect can be improved through the arrangement of the two stages of screening units.

A high-strength multimodal polyethylene composition useful for the manufacture of plastic articles therefrom; a process for making the above-mentioned composition; and a pipe article made from the above-mentioned composition, the composition comprising a mixture of: (a) at least one first polymeric resin comprising a high molecular weight copolymer resin having a molecular weight greater than 350,000 g / mol; (b) at least one second polymeric resin comprising a low molecular weight homopolymer resin having a molecular weight less than 30,000 g / mol; and (c) at least one third polymeric resin comprising a medium molecular weight copolymer resin having a molecular weight of from 50,000 g / mol to 150,000 g / mol; wherein the high-strength multimodal polyethylene composition has a minimum required strength greater than 11.3 MPa.

The invention discloses a foamy copper-based phase change thermal interface material as well as a preparation method and application thereof, and belongs to the technical field of thermal interface materials. The material comprises a heat-conducting framework and a composite phase-change material, and the composite phase-change material is filled in the heat-conducting framework. According to the composite phase-change material, a three-dimensional network structure is formed through molecular chain entanglement of polymer resin and paraffin, the problem that paraffin is prone to leakage after phase change is effectively solved, and the thermal stability is excellent. The foamy copper framework and the composite phase change material have a synergistic effect, heat transfer is accelerated through high thermal conductivity of foamy copper, a large amount of heat is absorbed by phase change latent heat of the composite phase change material, and a dynamic filling-static thermal conduction synergistic heat dissipation mechanism is achieved. By reasonably designing the proportion and the preparation process of the composite phase-change material and combining the structural optimization of the foamy copper framework, the thermal performance and the stability are synergistically improved, and the technical problem of an existing thermal interface material is solved.

The invention provides thermosensitive tackifying synergistic ink, a preparation method thereof and an ink-jet printing method, and relates to the technical field of ink, the thermosensitive tackifying synergistic ink comprises the following components by weight: 1-5% of an organic pigment, 1-5% of a humectant, 1-10% of high-molecular polymer resin, 1-10% of a quick drying agent, 1-10% of a dissolving power promoter, 0.1-2% of a wetting agent, and the balance of water. The coating is prepared from the following components in percentage by weight: 0.1-40% of a dispersing agent, 0.01-2% of a performance regulator, 1-10% of a temperature change modified material and the balance of a solvent. The viscosity of the ink is remarkably increased in a short time through far infrared heating, so that a stable and glossy image is formed on a printing medium, the problem that a nozzle is easily blocked by traditional high-viscosity ink is solved, meanwhile, high adhesive force and excellent visual effect of the image are ensured, and the ink is suitable for various high-grade printing and decoration applications.

The film manufactured using the polymer resin composition according to the present invention not only has biodegradability, but also has excellent oxygen and water vapor barrier properties and excellent ductility, and thus can be used as a food packaging material.

A coating composition according to an embodiment of the present disclosure may contain a copolymer, wherein the copolymer may comprise a polymer resin including bis-2-hydroxyethyl terephthalate and an unsaturated polybasic acid bonded to the bis-2-hydroxyethyl terephthalate, and an acrylic resin polymerized to the unsaturated polybasic acid via an unsaturated bond of the unsaturated polybasic acid.

A gas diffusion layer composed of a sheet of composite powder, the composite powder includes: conductive particles; conductive fibers; and a polymer resin, wherein a grain boundary of the composite powder is present on a surface or a cross section of the gas diffusion layer.

The application discloses a kind of polymer hollow fiber membrane and its preparation method and application, and the raw material of preparation polymer hollow fiber membrane includes solid polymer resin, phase separation aid, structure regulator and processing aid.The application carries out innovative design to film-forming formula and thermally induced phase separation extrusion spinning process, by full solid component compounding, combined with full water-soluble membrane structure adjustment, can be prepared to obtain polymer hollow fiber membrane with surface separation layer pore structure and internal double continuous pore structure, its pore size distribution is narrow, small molecule dissolution rate is low in use process, with excellent anti-burst pressure, anti-tensile fracture force, tensile elongation and separation performance, especially suitable for medical, food and other life health and diet health industry.

The application discloses a novel smart phone flexible printed circuit board and module prepared based on weldable silver paste, and belongs to the technical field of electronic materials and devices. The conductor pattern in the flexible printed circuit board comprises a main circuit pattern and an auxiliary function structure formed by weldable low-temperature silver paste. The solidification temperature of the weldable low-temperature silver paste is 90 DEG C to 110 DEG C. The weldable low-temperature silver paste comprises conductive fillers, a polymer resin system, ester solvents, a curing agent, a silane coupling agent, a polyamide wax thixotropic agent, a polysiloxane defoaming agent, modified carbon nanotubes, modified antimony tin oxide powder, modified ceramic fillers and nano yttrium oxide. The polymer resin system comprises cashew phenol-based epoxy resin, hydrogenated bisphenol A epoxy resin and polyacrylate-CTBN copolymer. The application provides a solution suitable for smart phone high-density interconnection, micro jumper, dynamic bending compensation and micro pad direct packaging, and solves the problems caused by high-temperature process damage to elements, welding pre-plating and high-density integration.

The invention relates to the technical field of medical preparations or cosmetics, in particular to the technical field of preparation of plant-derived active ingredients in the medical preparations or cosmetics, and discloses a preparation process of a centella asiatica extract, which comprises the following steps: extracting centella asiatica to obtain a centella asiatica concentrated product from centella asiatica by adopting an enzyme-assisted hot ethanol extraction method in combination with a resin purification technology; the preparation method comprises the following steps: preparing centella asiatica extract molecularly imprinted polymer resin, filling a solid-phase extraction empty column with the centella asiatica extract molecularly imprinted polymer resin to prepare a resin column, and purifying a centella asiatica concentrated product through the resin column to prepare the centella asiatica extract with the purity as high as 99%. The centella asiatica extract prepared by the invention has repairing and soothing effects, can be used as an active ingredient in medical preparations or cosmetics, is used for preparing a gel preparation for treating skin injury, or is added into a repairing skin care product, and realizes the combination of a medical-grade skin care effect and daily care by promoting skin barrier repairing and soothing damaged parts.

This invention provides a resin composition and a liquid crystal alignment agent with high reworkability of resin films and liquid crystal alignment films. Furthermore, it provides a liquid crystal alignment agent that yields a liquid crystal alignment film with high stability in liquid crystal alignment and without producing alignment inhomogeneity of the liquid crystal, the liquid crystal alignment film, and a liquid crystal display element using the liquid crystal alignment film. A polymer is also provided, which is at least one selected from polyimide precursors and polyimides having the structure of the following formula [1]. (R) 1 Indicates a thermally detachable group. R 2 * Represents a hydrogen atom or a monovalent organic group. * Represents a bonded bond.

The invention relates to a plastic composition which is characterized by comprising the following components in parts by weight: 88-100 parts of polymer resin; 0.1 to 2 parts of a compound laser marking agent; 0.02-1 part of a black coloring agent; 0.2-1 part of an organic color pigment; the compound laser marking agent is selected from compounding of an ultraviolet laser sensitive agent, a near-infrared laser sensitive agent and a far-infrared laser sensitive agent. By compounding the laser marking agent, ultraviolet laser marking, near-infrared laser marking and far-infrared laser marking can be achieved at the same time, the composition can be induced to generate different optical effects such as pigment color and / or structural color, permanent marks of multiple colors (laser marks of at least two colors) are formed on a single base material, the process is simple and efficient, and the cost is low. And the marking effect is bright and the anti-counterfeiting property is strong.

A benzotriazole-modified anti-sagging resin, a preparation method therefor, and a coating. The raw materials of the modified anti-sagging resin, calculated by parts by weight, comprise the following components: 60-80 parts of a polymer resin; 5-20 parts of a solvent; 1-3 parts of one or more mixed diisocyanates; and 1-4 parts of benzotriazole containing a primary amine group. The preparation method comprises: S1: mixing a primary amine diphenylmethanol with a portion of the solvent, to prepare a primary amine diphenylmethanol solution of a preset concentration; S2: mixing the polymer resin and the remaining solvent uniformly in a reaction kettle with continuous stirring, maintaining the reaction system temperature at 0-40°C, dispersing the primary amine diphenylmethanol solution prepared in step S1 into the reaction system, adding the diisocyanate(s), and stirring, to obtain the modified anti-sagging resin. By means of a benzotriazole-based UV absorber present in the form of polyurea crystals, the risk of volatilization and incompatibility with a coating are avoided, and this can also enhance the aging resistance of the anti-sagging resin.

The present invention belongs to the technical field of core rods for composite insulating crossarms, and particularly relates to a core rod for a composite insulating crossarm and a preparation method therefor. The core rod for a composite insulating crossarm comprises a polymer resin-hollow microsphere composite core and a fiber-cloth-reinforced polymer-resin-based composite layer, wherein the fiber-cloth-reinforced polymer-resin-based composite layer is laid on the outer surface of the polymer resin-hollow microsphere composite core in a directional manner, and the fiber-cloth-reinforced polymer-resin-based composite layer and the polymer resin-hollow microsphere composite core are integrated into one body by means of vacuum infiltration with a resin and curing; and the polymer resin-hollow microsphere composite core is a composite material core formed by curing the resin and hollow microspheres. Compared with a solid composite core, the core rod for a composite insulating crossarm in the present invention has a relatively low weight. Moreover, the composite core rod prepared by means of a vacuum infiltration process has a dense structure, and exhibits better dye penetration into materials, better water diffusion and a better dielectric strength as compared with a composite core rod formed by means of a pultrusion process.

This invention discloses a film composition for remanufacturing of pads, its preparation method, and a method for recycling the remanufactured pads. The composition comprises a polymer resin, an inorganic filler, and a curing component. The polymer resin includes: a main resin comprising a modified phenolic resin; and a modified resin comprising a structural resin and a toughening resin. The structural resin comprises a polymer with aromatic rings and / or heterocyclic rings in its main chain, and the toughening resin is selected from at least one of thermoplastic resins and rubber materials. The curing component includes a thermosetting agent. This invention effectively solves the technical problems of numerous air bubbles in the filling holes, brittle and easily chipped cured layers, and severe drilling burrs in existing pad remanufacturing technologies. This film composition exhibits excellent film-forming properties, rheological filling properties, and heat-resistant dimensional stability, enabling high-quality regeneration and recycling of waste drilled pads.

The invention discloses a hydrofluoric acid-resistant composition, a preparation method thereof, a substrate and a processing method of the substrate. The hydrofluoric acid-resistant composition comprises a polymer resin and an inorganic filler, the polymer resin comprises a structural resin, an adhesive resin and a binding force reinforcing resin, and the structural resin comprises a fluorine-containing polymer; the bonding resin comprises polyvinyl acetal resin; the binding force reinforcing resin includes an epoxy resin and a phenolic resin. By adopting a specific composition formula, excellent hydrofluoric acid resistance is realized, and the hydrofluoric acid can be dissolved and removed or physically removed (such as hand tearing, adhesive tape tearing and the like) in a mild alcohol solvent soaking manner after processing, so that the technical problem that ultrathin glass fragments are easily caused by physical tearing of a protective film is solved.

A manufacturing method of a window includes placing a substrate in a guide film accommodating the substrate and provided with an opening, which is defined through a guide film to overlap a portion of the substrate in a plan view, providing a first solution, which contains a light blocking particle and a polymer resin, to an edge portion of an inner space of the guide film, where the inner space is divided into a center portion overlapping the opening in the plan view and the edge portion, which is outside the center portion, providing a second solution containing the polymer resin to the center portion, placing a magnet to overlap the edge portion in the plan view to allow the light blocking particle to move by the magnet, and curing the light blocking particle and the polymer resin using ultraviolet light to form the black matrix and the coating layer.