33results about How to "Improve poor adhesion" patented technology

The invention discloses a preparation method of a carbon fiber surface antioxidation coating, which belongs to the technical field of inorganic non-metallic material. The preparation method comprises the following steps: using an organic solvent to remove a glue layer and an attachment on the surface of the carbon fiber, taking a silane coupling agent as a precursor to prepare a coating slurry; coating the obtained coating slurry on the surface of the carbon fiber product and drying; in 99.999% of inert atmosphere, and processing the dried carbon fiber product under high temperature of 800-1600 DEG C for 30-360 minutes to obtain the carbon fiber surface antioxidation coating. According to the invention, the silane coupling agent is taken as a precursor, and is easily infiltrated with carbon fiber to form an uniform coating, the enhanced particles can improve the defects of poor clunging of the coating and cracking of the coating; the solidification time is short, the solidification temperature is low, and automation mechanical equipment is cooperated for easily realizing the continuous coating of the coating.

The invention discloses a glue rod material capable of improving low-temperature glueyness. The glue rod material comprises the following raw materials by mass: 20 to 30 parts of a gluing base material, 10 to 18 parts of a glueyness modifier, 10 to 15 parts of a shape setting agent, 5 to 10 parts of a humectants, 0.2 to 0.5 part of other aids and 30 to 47 parts of water, wherein the mass parts of all the raw materials sum to 100. The invention also discloses a preparation method for the glue rod material capable of improving low-temperature glueyness at the same time. The glue rod material provided by the invention has the advantages of good intersolubility among the raw materials, excellent glueyness, glueyness in a wide temperature range, and in particular, capability of improving the problem of poor glueyness of conventional solid gum at low temperature.

The invention provides an ink injection print head which comprises at least a wafer, a chamber layer and a nozzle layer; wherein, the wafer is provided with a plurality of actuators; the chamber layer is arranged on the wafer; the nozzle layer is arranged on the chamber layer which is provided with a plurality of chambers; the chambers are arranged above the actuators; the material of the chamber layer is an organic solvent developed acrylic acid negative-typed photoresist. Furthermore, the nozzle layer is provided with a plurality of nozzles which are respectively communicated with the chambers; the material of the nozzles is the epoxy-typed or acyl imino group-typed negative-typed photoresist.

The invention provides an energy storing assembly which comprises a positive electrode, a negative electrode and electrolyte, wherein the positive electrode is mixed with a polyacrylate aqueous adhesive. The polyacrylate aqueous adhesive has the chemical formula, wherein X is alkyl with the carbon number of 1-6, and n is 500-2,500.

A bead core covering method for covering an annular bead core (8) with a belt-like rubber sheet (S) includes winding the rubber sheet (S) extruded by an extruding machine (2) via a mouth piece (21) around an outer peripheral surface of a rotary drum (3) from a leading end portion, attaching a part in a width direction of the rubber sheet (S) on the outer peripheral surface of the rotary drum (3) to an outer surface of the bead core (8), which rotates, from the leading end portion before the rubber sheet is wound over an entire periphery of the outer peripheral surface of the rotary drum (3), and wrapping a remaining portion in the width direction of the rubber sheet (S) attached to the outer surface of the bead core (8) along a cross-sectional shape of the bead core (8).

The invention discloses a concrete reinforcing steel bar anticorrosion system based on a microcapsule technology. The system comprises a concrete material and an epoxy resin coating reinforcing steel bar, wherein the concrete material is poured near the epoxy resin coating reinforcing steel bar, an epoxy resin curing agent is sprayed on the outer surface of the epoxy resin coating reinforcing steel bar, and a water-absorbing microcapsule with an epoxy resin as a core material is added into the concrete material. According to the invention, when a concrete matrix is cracked, water carrying harmful ions (Cl<-> and SO4<2->) continuously permeates along the crack propagation direction, the wall of a preset microcapsule near a reinforcing steel bar is broken due to the stress at the tip of the crack, and an epoxy resin flows out and meets a curing agent coated on the surface of the reinforcing steel bar, so that the surface of the reinforcing steel bar is cured and coagulated so as to prevent the direct contact between the epoxy coating steel bar and water and harmful ions, tand he wall of the microcapsule absorbs water and expands so as to block further permeation of water and harmful ions and protect the reinforcing steel bar from being rusted; and due to the use of the water-absorbing microcapsules, the binding power between the epoxy resin coated steel bar and concrete mortar is also improved.

The invention relates to a pavement engineering material, and concretely relates to a semi-rigid asphalt pavement material and a preparation method thereof. The semi-rigid asphalt pavement material comprises, by volume, 75-85% of a macro-porous asphalt mixture and 15-25% of a grouting material; the macro-porous asphalt mixture is obtained through mixing mineral, a filler and rubber high-viscosity modified asphalt; and the grouting material is obtained through mixing fine particle modified emulsified asphalt, PC42.5 composite Portland cement, an active admixture, sands, water, a water reducer, an aluminum powder, an expanding agent, an air entraining agent, an antifoaming agent and limestone mineral powder. The semi-rigid asphalt pavement material has the advantages of good construction workability, strong high-temperature rut resistance and low-temperature cracking resistance, good durability, long fatigue life, good combination property of the macro-porous asphalt mixture with the grouting material, small temperature shrinkage and dry shrinkage cracks, energy saving, environmental protection, and realization of the high cost performance of recycling of solid wastes.

The invention discloses a PVDF / PETG composite. The composite is high in compatibility. The composite consists of the following components in part by weight: 70 to 100 parts of PVD, 1 to 30 parts of PETG, 0.1 to 5 parts of antioxidant, 0.1 to 5 parts of light screener and 0.1 to 5 parts of UV absorbent.

The invention relates to the field of optical thin films, and more specifically relates to a novel optical diffusion film suitable for ink printing and a preparation method thereof. In order to solve the problem of poor adhesion between the diffusion film and the ink coating after the existing diffusion film is printed with ink, the invention provides a diffusion film and a preparation method thereof. The diffusion film includes a transparent substrate, a diffusion coating and a protective coating; the diffusion coating and the protective coating are respectively located on the upper and lower surfaces of the transparent substrate. The diffusion coating comprises diffusion porous particles. The protective coating comprises anti-blocking porous particles. The diffusion film suitable for ink printing provided by the present invention not only has excellent diffusion effect, covering property and optical performance, but at the same time, due to the addition of porous particles in the coating of the diffusion film, the specific surface area of ​​the coating surface is greatly increased, thereby increasing the surface area of ​​the coating. After ink printing, the problem of poor coating adhesion is obviously improved, and the preparation method is simple in process and easy to operate.

An anodized aluminum foil and a preparation method thereof relate to the technical field of anodized aluminum foil. The anodized aluminum foil includes a base film, a release layer, an imaging layer, a protective layer and an aluminum layer that are stacked in sequence. The imaging layer includes a first resin and a dye, the first resin is an acrylic resin, the protective layer includes a second resin, and the second resin is an acrylate-acrylic copolymer. The protective layer of the anodized aluminum foil of the present application has good adhesion to the aluminum layer and the imaging layer, which improves the problem of poor adhesion between the imaging layer and the aluminum layer.

The invention provides a bisphenol A epoxy resin modified bifunctional polyester acrylate UV (ultraviolet)-transparent primer for wooden furniture, which comprises the following components in percentage by weight: 30-55% of bifunctional polyester acrylate, 0.1-0.3% of wetting and dispersing agent, 0.3-0.5% of defoaming agent, 18-40% of filler, 8-20% of monomer, 0.3-0.6% of leveling agent, 1-3% of bisphenol A epoxy resin and 3-10% of initiator. The primer has the advantages of favorable color, favorable transparency, favorable glossiness, low cost, stable properties and high storability; and the primer film has the advantages of short drying time, favorable transparency, high glossiness, favorable fullness and excellent mechanical properties. The invention also provides a preparation method of the transparent primer. The method has the advantages of simple technique, simple operation, favorable repetitiveness, short production cycle and high production efficiency, and is very suitable for industrialized production.

The technical problem of the present invention is to provide a polarizer that has excellent adhesiveness when using both PVA-based glue and ultraviolet-curable adhesive, and is a thin film and exhibits phase difference. Excellent cellulose ester film, its production method and polarizing plate. The cellulose ester film of the present invention is a cellulose ester film containing at least cellulose acetate (resin A) with a degree of substitution of acetyl groups in the range of 2.1 to 2.6 and a retardation increasing agent, wherein the cellulose ester film surface The contact angle of pure water is in the range of 30° to 75°, and the standard deviation when the contact angle is measured at 20 points at equal intervals in the film width direction is in the range of 0.05° to 3.0°, and the cellulose ester film The light transmittance at a wavelength of 320 nm is 80% or more.

The invention discloses a docusate sodium pellet and a preparation method thereof. The docusate sodium pellet sequentially comprises a drug-loaded pellet core, an isolation layer and a taste masking layer from inside to outside. The docusate sodium pellet is prepared from docusate sodium and pharmaceutically acceptable auxiliary materials, wherein a filler accounts for 60-95% of the weight of the drug-loaded pellet core; a disintegrating agent accounts for 3-8% of the weight of the drug-loaded pellet core; a cosolvent and an adhesive can be added as required; the coating weight of the isolation layer is increased by 4%-9%; and the weight of the taste masking layer coating is increased by 7-15%. Extrusion-rounding pellet preparation and fluidized bed coating technologies are adopted in the invention. The docusate sodium pellet disclosed by the invention is stable in quality and uniform in in-vitro dissolution; and the bitterness and astringency of docusate sodium can be effectively masked, and the medicine taking compliance is improved.

The invention provides a tapered array flexible electrode, which includes a flexible polymer substrate and a metal conductive layer, and one side surface of the flexible polymer substrate has a micro-nano tapered array structure, wherein the outer peripheral surface of the micro-nano tapered shape is rough surface; the metal conductive layer completely covers the outer peripheral surface of the micro-nano-cone, and completely covers the area on the side surface of the flexible polymer substrate where the micro-nano-cone is not provided. The flexible polymer substrate of the flexible electrode has good adhesion between the metal conductive layer, stable structure, low electrode impedance and excellent electrochemical performance. The flexible electrode can be well applied in flexible electronic skin and implantable electrodes. The invention also provides a preparation method of the tapered array flexible electrode.