35results about How to "Increase dyne value" patented technology

The invention discloses a coating for an electronic product shell, and a preparation method and application thereof. The coating for the electronic product shell is mainly prepared from the followingeffective raw material components: a component A comprising, by weight, 33-37% of polyester resin, 15-25% of butyl acetate, 13-17% of hydroxy acrylic resin, 4-6% of polycarbonate diol, 4.5-5.5% of anorganic silicon surface additive, 7-13% of methyl isobutyl ketone, 3-7% of diacetone alcohol and 3-7% of ethyl acetate; and a component B being a curing agent HDI tripolymer; and the component B accounts for 8-12% of the total weight of the component A. The coating for the electronic product shell is a two-component spraying oily coating, has the advantages of high light transmittance, adjustablecolor, easiness in processing, boiling resistance and no influence on post-processing procedures, and is particularly suitable for electronic product shells, particularly mobile phone shells and mobile phone battery rear cover plates, and particularly products with embossing texture requirements on mobile phone battery rear covers.

The invention provides a lithium battery packaging film and a preparation method thereof, and the lithium battery packaging film comprises an insulating layer which coats a shell of a lithium battery;and a nanometer titanium dioxide layer, wherein the nanometer titanium dioxide layer is located on the insulating layer. The preparation method comprises the following steps of mixing a polyester material and a heat-conducting material to melt the insulating material, and forming an insulating film after cold casting; stretching the insulating film to a specific thickness to form the insulating layer; and forming the nano titanium dioxide layer on the insulating layer. The nano titanium dioxide layer can enable the surface of the lithium battery packaging film to have self-cleaning capacity,a plasma cleaning procedure can be omitted, the production line efficiency is improved, meanwhile, a plasma cleaning station is prevented from being added, and the production line cost is reduced.

The invention discloses a horizontal line type plasma surface treatment machine. The machine comprises a casing, a roller conveying module is mounted in the external top of the casing and connected with a synchronous belt pulley power module, the roller conveying module comprises upper and lower layers of antistatic roller trains, an air-discharge system is arranged under the antistatic roller trains and positioned in the casing, a plasmatron is arranged in the casing and connected with electrode tubes, and the electrode tubes are arranged in the antistatic roller trains correspondingly. The surface tension of a material is changed qualitatively, the dyne value is increased substantially, and the drip angle is changed substantially.

The invention discloses a medicament foil rolling additive composition. The composition consists of the following components by weight: (A) 0.04-2.0% of low-temperature antioxidant, (B) 80-95% of fatty acid methyl ester, (C) 0.06-1.0% of phosphide anti-wear agent, (D) 1-15% of polyhydric alcohol and (E) 0.04-2.0% of high-temperature antioxidant, wherein the component (C) phosphide anti-wear agent is one or more of triaryl phosphate, tricresyl phosphate and phosphate amine salt; the component (D) polyhydric alcohol is one or more of trimethylolpropane, pentaerythritol and diethylene glycol. By compounding the carbon chain fatty acid methyl ester, the phosphide anti-wear agent and the polyhydric alcohol, the chemical adsorption capability and the flow cleaning performance are enhanced, the surface residue of a medicament foil product is greatly reduced on the premise of ensuring the lubricating capability, and the dyne value and peeling strength of a medicament foil are effectively improved.

The invention discloses nano-silica modified high-pressure molding printing ink for two-component plastic, belonging to the technical field of printing ink. The nano-silica modified high-pressure molding printing ink comprises, by weight, 40% to 45% of polyester resin, 17.5% to 24% of a solvent, 0.5% to 1.5% of a dispersing agent, 10.0% to 18.7% of pigment, 6% to 7% of a matting agent which includes nano-silica, 1% to 2% of an anti-settling agent, 1% to 2% of a leveling agent, 1% to 2% of a defoaming agent,1% to 3% of an UV aid and 9% to 10% of a curing agent. The nano-silica modified high-pressure molding printing ink for two-component plastic has good hand feeling, excellent fineness, fast curing speed, strong adhesion, high stretchability, soft gloss, excellent resistance to alcohol andwater, high dyne value and good weather resistance.

The invention discloses a high Dyne value and ultraviolet resistance screen printing ink for glass panels and a preparation method thereof. The printing ink mainly comprises raw materials in parts byweight: epoxy resin 20-70 parts, mica 3-4 parts, wollastonite 7-8 parts, 783 slow dry water 1-3 parts, adhesion promoter 2-4 parts, Y-Butylactone 22-25 parts, turpentine 25-34 parts, dispersant 3-4 parts, defoamer 4-5 parts, silica 2.5-6 parts, black pigment 4-20 parts, ultraviolet absorber 0.5-2 parts, and bis-sebacate 1-5 parts. The raw materials are put into homogenization equipment, grinding machine and three-roller machine in different sequences to finally obtain printing ink with required fineness. After the invention is applied, the adhesion force, dyne value and ultraviolet light resistance of the printing ink can be improved, thus improving the printing stability of the printing ink.

The invention discloses a TPV composition and a preparation method thereof. The material is prepared from 30-40 parts of polypropylene, 20-30 parts of ethylene propylene diene monomer, 20-30 parts ofa plasticizer, 10-20 parts of a filler, 0.2-1 part of a lubricant, 0.2-1 part of a crosslinking agent, 0.5-2 parts of an assistant crosslinking agent, 0.3-0.5 part of an antioxidant and 1-5 parts of aporous adsorbent. According to the invention, the special auxiliary agent is added into the formula, so that the prepared TPV composition has high encapsulation bonding strength.

The invention discloses a hard coating film with a high dyne value, comprising a PET supporter, and a hard coating layer formed by solidifying after coating hard coating layer coating on at least one surface of the PET supporter, wherein the hard coating layer coating has the following components in parts by weight: 15-50 parts of matrix resin, 2-10 parts of oxide particles, 0.05-5.0 parts of surface additive, 0.05-7.0 parts of photoinitiator and 40-80 parts of solvent. The dyne value of the hard coating film provided by the invention can reach 38Dyne-46Dyne, thus being capable of meeting operating requirements of customers on subsequent ITO coating technology and ink printing technology.

The invention discloses a rubber roller. The rubber roller comprises a rubber surface layer (1) and an iron core shaft (2), and is characterized in that the rubber surface layer (1) is tightly compounded on the iron core shaft (2); the mesh number of the rubber surface layer (1) is 350, and the hardness is 90A. The rubber roller has the advantages and effects that the polyurethane decorative film produced by the rubber roller is high in dyne value, and is high in adhesive force with a plate.

The invention discloses bi-component modified polyester resin thermosetting ink which comprises BM 607 white and BM 690 high-dyne-value black. The BM 607 white is mixture comprising, in concentrationrange (percent), 20-50% of polyester resin, 2-10% of propylene glycol methyl ether acetate, 25-35% of isophorone, 40-50% of titanium dioxide and 2-5% of auxiliaries. The BM 690 high-dyne-value black is mixture comprising, in concentration range (percent), 20-50% of polyester resin, 2-10% of propylene glycol methyl ether acetate, 25-35% of isophorone, 20-30% of carbon black and 2-5% of auxiliaries.The ink is high in covering power, good in printability and applicable to printing of a glass cover plate, and a cured ink layer has excellent adherence, chemical resistance and boiling resistance, high surface tension and the like.

The invention provides a display device which comprises a cover plate, a display panel and a supporting component, the cover plate comprises a light shielding layer and a blocking component, one end of the supporting component is connected with the display panel, the other end of the supporting component is connected with the light shielding layer of the cover plate, the blocking component divides the light shielding layer into a dyne value testing area and a non-testing area, the two areas are not communicated, so that the film layers in the dyne value testing area have good performance, the bonding performance between the film layers is improved, the accuracy of the display panel during dyne value testing and the sealing performance of the display panel are ensured, and the quality of the display panel is effectively improved.

The invention provides a method for processing and increasing the printing and packaging dyne value and belongs to the technical field of printing and packaging. The method for processing and increasing the printing and packaging dyne value comprises the following steps of forming at least one inflatable sealing structure on the surface of a plastic film to be about to be subjected to corona; andconducting corona treatment on the inflatable plastic film. Through the corona treatment method, air is inflated into the sealing structures, and corona treatment can be conducted better, so that molecular structures on the surface of the plastic film is rearranged to generate more polar parts, so that the dyne value of the surface of the plastic film is increased obviously, and subsequent printing of the plastic film is facilitated.

The invention discloses a battery aluminum foil production method capable of increasing the surface dyne value. Battery aluminum foil is produced through smelting, refining, cast rolling, rough rolling, intermediate rolling, finish rolling, corona treatment and heat preservation treatment, rolling oil is used in the rough rolling step, the intermediate rolling step and the finish rolling step, and the rolling oil is obtained by adding an additive and an auxiliary agent into white oil and stirring and mixing evenly. The surface dyne value of the obtained battery aluminum foil is high, and the surface dyne value can keep good stability. The additive is prepared by uniformly mixing n-propyl caprate and lauryl alcohol according to a certain ratio. The auxiliary agent is prepared from the following raw materials of epoxy resin, turpentine, silicon dioxide coated nano aluminum silicate and 1-aminopropyl-3-methylimidazole bis (trifluoromethanesulfonyl) imine salt.

The invention discloses a manufacturing method of a flexible ultra-thin conductive material, the flexible ultra-thin conductive material prepared by adopting the manufacturing method and an electronicproduct applying the flexible ultra-thin conductive material. The manufacturing method of the flexible ultra-thin conductive material comprises the following steps of: providing a double-sided non-conducting thin film layer, wherein the thickness of the thin film layer is greater than or equal to 1.0 micron and less than or equal to 6 microns; roughening the thin film layer to enable a dyne valueof the thin film layer to be larger than or equal to 44 and smaller than or equal to 70; and carrying out vapor deposition on the two roughened surfaces, and forming at least one metal shielding layer on each surface, wherein the metal shielding layers on the two surfaces are insulated and isolated by the thin film layer. According to the manufacturing method of the flexible ultra-thin conductivematerial, the flexible ultra-thin conductive material with the two non-conducting sides is very thin.

The invention provides a lithium battery insulating film and a preparation method thereof, the lithium battery insulating film comprises a polyester film, which comprises uniformly distributed nano titanium dioxide and a heat conduction material, wherein a part of the nano titanium dioxide coats the surface of the heat conduction material. The preparation method comprises the following steps: preparing a nano titanium dioxide dispersion liquid; mixing a polyester material and a heat-conducting material to melt the polyester material, and adding a nano titanium dioxide dispersion liquid into the heat-conducting material and the molten polyester material; carrying out cold casting to form a film, so that the nano titanium dioxide and the heat conduction material in the nano titanium dioxidedispersion liquid are dispersed in the polyester material, and part of the nano titanium dioxide coats the surface of the heat conduction material. The lithium battery insulating film can prevent short circuit outside the lithium battery shell, has better heat conduction characteristic, can reduce the use of auxiliaries, can shorten the manufacturing process, and improves the production line efficiency.

The invention discloses a manufacturing method of an electromagnetic shielding material, the electromagnetic shielding material prepared by the manufacturing method and an electronic product applyingthe electromagnetic shielding material. The manufacturing method of the electromagnetic shielding material comprises the following steps: a polymer film layer is provided, and the thickness of the polymer film layer is larger than or equal to 1.5 micrometers and smaller than or equal to 6 micrometers; the polymer film layer is punched, so that a plurality of through holes are formed in the polymerfilm layer, the hole diameter of the through holes ranges from 0.1 micrometer to 100 micrometers, and the hole distance ranges from 0.1 micrometer to 100 micrometers; roughening the polymer film layer to enable the dyne value of the polymer film layer to be greater than or equal to 44 and less than or equal to 70; vapor deposition is carried out on the two roughened surfaces respectively, and atleast one metal shielding layer is formed on each surface and the hole walls of the through holes respectively; according to the technical scheme, the electromagnetic shielding material with the two-sided conduction function is very thin and good in flexibility.

The invention relates to a cleaning coating machine and a cleaning coating method. The cleaning coating machine and the cleaning coating method mainly solves the problem that the surface of a unit tobe plated after plasma cleaning is low in dyne value in the prior art. The cleaning coating machine comprises a powder gasification furnace, a high temperature pyrolysis furnace, a processing chamber,a cold trap, a vacuum pump, a plasma cleaning assembly, gas tank groups and a central controller, wherein each gas tank group is composed of a gas tank and a gas valve, the gas tanks communicate withthe processing chamber through the gas valves, and the central controller is connected with the powder gasification furnace, the high temperature pyrolysis furnace, a powder valve, a rotatable bracket assembly, the cold trap, the vacuum pump and the plasma cleaning assembly. The plasma cleaning assembly comprises a plasma controller, a plasma positive plate and a plasma negative plate, wherein the plasma positive plate and the plasma negative plate are arranged on both sides of the rotatable bracket assembly. The plasma controller is connected with the central controller, the plasma positiveplate, the plasma negative plate and the gas valve. The cleaning coating machine and the cleaning coating method well solve the problems and can be applied to the industrial production of parylene coating.

The invention relates to a method and device for diaphragm pretreatment. The method comprises: a) unwinding a substrate diaphragm from a discharge roller, b) making the discharged substrate diaphragmto pass through an intermediate flattening roller under action of a liquid heat transfer medium, and c) winding the substrate diaphragm treated by the liquid heat transfer medium to a receiving roller, wherein the liquid heat transfer medium is least one of deionized water, ethanol, propanol, butanol, N-methylpyrrolidone, dimethylacetamide, N, N-dimethylformamide and dimethyl sulfoxide and has a temperature of 20 to 80 DEG C. The diaphragm is pretreated by the liquid heat transfer medium so that the flatness of the diaphragm is improved at a relatively low temperature. The diaphragm is subjected to surface modification under the action of the liquid heat transfer medium so that the Dyne value of the diaphragm is improved, the wettability of the diaphragm to the later coating is improved and the good coating effects are obtained.

The invention discloses a low-climbing high-dyne-value polyurethane protective film and a preparation method thereof. The low-climbing high-dyne-value polyurethane protective film is characterized in that the low-climbing high-dyne-value polyurethane protective film is formed by sequentially compounding a PET thin film layer, a bottom coating layer, a polyurethane adhesive layer, a release layer and a PET thin film layer. The preparation method comprises the following steps: mixing polyurethane prepolymer, an isocyanate curing agent, a temperature-resistant hardening agent, a retarder and an organic solvent to prepare the polyurethane adhesive; coating the single surface of the PET film layer with bottom coating liquid, and drying to form the bottom coating layer; and coating the polyurethane adhesive on the bottom coating layer, drying through a drying tunnel with the temperature of 65-130 DEG C and the total length of 24-45m at the linear speed of 10-35m / min, compounding with a single-sided release PET film, and curing to obtain the low-climbing high-dyne-value polyurethane protective film. The low-climbing high-dyne polyurethane protective film disclosed by the invention is suitable for protecting the copper foil surface of the copper foil adhesive tape in the transportation, storage and manufacturing processes of the copper foil adhesive tape, and is good in performance and high in practicability.

The invention discloses a manufacturing method of an electromagnetic shielding material, the electromagnetic shielding material manufactured by the manufacturing method and an electronic product applying the electromagnetic shielding material. The manufacturing method of the electromagnetic shielding material comprises the following steps that a polymer film layer is provided, and the thickness of the polymer film layer is larger than or equal to 1.5 microns and smaller than or equal to 6 microns; at least one surface of a polymer film is subjected to roughening treatment, so that the dyne value of the at least one surface is larger than or equal to 44 and smaller than or equal to 70; and at least one metal shielding layer is deposited on the roughened surfaces. According to the manufacturing method of the electromagnetic shielding material, the thickness of the polymer film layer can be reduced by 75% to the maximum extent, the flexibility of the electromagnetic shielding material is better, the using effect is better, and the product cost is lower.

The invention discloses a manufacturing method of an electromagnetic shielding material, the electromagnetic shielding material prepared by the manufacturing method and an electronic product applyingthe electromagnetic shielding material. The manufacturing method of the electromagnetic shielding material comprises the following steps: providing a polymer film layer of which two sides are conducted, wherein the thickness of the polymer film layer is greater than or equal to 0.8 micron and less than or equal to 12 microns; roughening the polymer film layer to enable the dyne value of the polymer film layer to be greater than or equal to 44 and less than or equal to 70; performing vapor deposition on the two roughened surfaces, forming at least one metal shielding layer on each surface, andperforming the metal shielding layers on the two surfaces through the polymer film layer; according to the technical scheme, the electromagnetic shielding material which is very thin and is conductedon two sides is provided.

The invention discloses a high-heat-resistance ABS (Acrylonitrile Butadiene Styrene) material with strong adhesion with PUR (Polyurethane) and a preparation method thereof. The material comprises the following components in percentage by weight: 65-80% of ABS resin, 10-25% of a heat-resistant agent, 3-10% of a toughening agent, 0-10% of a reaction type compatilizer and 0.4% of an antioxidant. Compared with the prior art, the selected MS-NI heat-resistant agent has high glass transition temperature so as to improve heat resistance, and contains imide groups so as to improve polarity; the introduced MBS flexibilizer endows the material with high elasticity, and the surface dyne value and the initial adhesion are also improved; the reactive compatibilizer has poor compatibility and is intensively distributed on the surface, the active GMA group can form chemical bonds with hydroxyl and amino in moisture-cured polyurethane, and the strong bonding effect enables the moisture-cured polyurethane to have high and low temperature resistance and damp-heat aging resistance, and the moisture-cured polyurethane can be used for interior and exterior trim parts of automobiles.

The invention provides a battery foil rolling additive as well as a preparation method and application thereof. The battery foil rolling additive comprises the following components in percentage by mass: 10-20% of fatty acid ester, 15-30% of fatty alcohol, 45-65% of an adamantane compound and 0.1-5% of an extreme pressure additive, wherein the mass percentage content of dihydroxy adamantane isopropyl formate in the adamantane compound is 50 to 100 percent. According to the battery foil rolling additive, through matching of the components, especially the use of the adamantane compound with a specific molecular structure, the battery foil rolling additive has excellent lubricating performance, the surface quality of a rolled battery foil can be improved, the surface dyne value of the battery foil is increased, and the cost of a corona process is reduced; and meanwhile, the use of the battery foil rolling additive is beneficial to improving the dispersing performance and filtering efficiency of aluminum powder and improving the cleaning performance of a rolling mill.

The invention relates to an aqueous medium coating formula coated on a cold revolving membrane. The formula comprises the following components in percentage by weight: 10-18 percent of styrene monomer, 10-15 percent of acrylic monomer, 2-10 percent of butyl acrylate, 30-40 percent of water, 20-30 percent of alcohol, 0.1-0.2 percent of polydimethylsiloxane and 0.1-0.3 percent of carboxylate anion active agent. The preparation method includes the following two steps: firstly, according to the formula, sequentially adding the alcohol and the water to a stirring drum and stirring for 5-10min at the constant temperature of 25-30 DEG C; and secondly, according to the formula, adding the styrene monomer, the acrylic monomer, the butyl acrylate and the polydimethylsiloxane to the stirring drum and finally wholly stirring evenly for 10-15min. After use, the aqueous medium coating formula leads to high adherence degree between a UV glue layer and an aluminum coated layer, and the content of volatile organic compounds (VOC) in a finished thin membrane reaches the standard.

According to the preparation method, the step that cleaning liquid is placed in a material groove of a micro-concave roller to conduct micro-concave cleaning on the aluminum foil is added, the dyne value of the aluminum foil is greatly increased, the dyne value is increased to 60 dyn from original 30 dyn, and the technical blank of the high-grade aluminum foil is filled up; and the micro-concave roller is used for cleaning, so that the production rate is greatly improved. According to the method, the amount of the used cleaning liquid is small, and the amount of the cleaning liquid is accurately controlled by adjusting the mesh number of the micro-concave roller. The method is obvious in deoiling effect, does not generate harmful gas in the use process, and has the characteristics of environmental protection and no pollution. By adopting the method disclosed by the invention, the binding power of the aluminum foil can be remarkably improved, no side effect is caused to the mechanical property of the aluminum foil, the dyne value of the obtained aluminum foil is kept stable, and the attenuation change is basically avoided in the production process. And the application of the obtained aluminum foil in the lithium ion battery is further ensured.

The invention discloses a photovoltaic cable with a high dyne value and a production process thereof, the photovoltaic cable comprises a conductor, an insulator wrapping the conductor and a sheath wrapping the insulator, and the sheath is made of an improved irradiation crosslinking low-smoke polyolefin material containing a lubricant with ultra-high molecular weight. The surface of the cable subjected to sheath extrusion shows uniform roughness, and the dyne value of the cable subjected to sheath extrusion after irradiation is greater than or equal to 36. According to the photovoltaic cable and the production process thereof provided by the invention, the sheath adopts the improved irradiation cross-linked polyolefin, so that the surface of the product has the characteristics of uniform roughness, good surface tension performance and the like, and the product has good adhesiveness with glue during subsequent production, so that the adhesiveness between the cable and a connector is stronger, and the service life of the cable is prolonged. The service life of the assembly is prolonged, so that the market competitiveness of the assembly is improved; the manufacturing cost is low, and the production process is more environment-friendly.

The invention relates to matte ink (IPC classification number: C09D11 / 10), in particular to matte ink suitable for an OGS (One Glass Solution) full lamination process and a preparation method of the matte ink. Raw materials at least comprise the following components in parts by weight: 30-45 parts of a resin binder, 8-12 parts of a filler, 12-18 parts of matting powder, 1-2 parts of an organosilicon-free defoaming agent, 10-15 parts of an isophorone solvent, 8-12 parts of ethylene glycol butyl ether and 10-15 parts of carbon black. The dyne value of the matte ink suitable for the OGS full lamination process is larger than 38, the water drop angle can range from 70 degrees to 75 degrees, the fastness of OCA rubberizing is greatly improved, the probability that bubbles are generated during lamination is reduced, meanwhile, the matte ink prepared through the method has good pain and wiping resistance, and even if hydrophilic matte powder is added, the matte ink can still be used for a long time. And the coating also can pass a water boiling resistance test, and has good water resistance.