89results about "Polyether coatings" patented technology

The application provides a nanoscale composite lubricant, a ceramic guide plate of a probe card and a preparation method of the ceramic guide plate. The composite lubricant comprises the following components in mass fraction: 60-85% of Teflon nanoparticles, 5-20% of an adhesive reinforcing phase, 15-35% of a dispersion medium and 0.1-5% of a functional additive. The ceramic guide plate is provided with a plurality of needle implantation holes, one probe is inserted into each needle implantation hole, the inner wall of each needle implantation hole is coated with a dry lubricant coating, the dry lubricant coating is filled between the probe and the inner wall of the needle implantation hole, and the dry lubricant coating is formed by solidification of the composite lubricant coated on the inner wall of the needle implantation hole. By coating the nanoscale lubricant coating in the needle implantation hole of the ceramic guide plate, the sliding resistance and friction of the probe during movement are significantly reduced, the probe card stagnation phenomenon and abrasive contamination are effectively avoided, and the cleanliness and yield of the test are improved.

This invention discloses a plasma-resistant hybrid gradient composite coating, its preparation method, and its application, belonging to the field of semiconductor manufacturing equipment technology. This coating aims to solve the technical problems of surface erosion, particulate contamination, and insufficient lifespan of FFKM sealing rings caused by the synergistic effect of high-energy ion physical bombardment and chemical corrosion in high-end plasma processes. The key technical points are: the coating is deposited on an FFKM substrate and, from the inside out, includes a plasma-activated bonding transition layer, a gradient functional layer composed of organic-inorganic hybrid materials, and a surface protective layer with a higher inorganic phase content; wherein the inorganic phase of the gradient functional layer contains silicon nitride nanofibers and surface-modified nano-yttrium oxide, and its mass fraction gradually increases from the inside out. This composite coating is mainly used to prepare long-life, high-reliability FFKM sealing rings and is suitable for harsh environments such as radio frequency plasma source chambers.

The objectives are to provide a moisture-curing shoe composition that exhibits excellent abrasion resistance in the cured product and suppresses the generation of air bubbles within the cured product, and to provide a shoe repair method using a moisture-curing shoe composition that exhibits excellent abrasion resistance in the cured product and suppresses the generation of air bubbles within the cured product. As a solution, a moisture-curing shoe composition is provided that contains (A) a crosslinkable silyl group-containing polyether and / or a crosslinkable silyl group-containing polyurethane, and (B) a crosslinkable silyl group-containing vinyl-based organic polymer.

A multilayer coating film comprising a first base coating film, a second base coating film, and a transparent coating film, wherein the water-based first base coating composition comprises a glossy pigment and two or more coloring pigments, and the solid content concentration NV1 is 20-35% by mass, wherein the glossy pigment has a PWC (partial wcage) of 20-35%. G1 The PwC of the coloring pigment is 1-25%. C1 The concentration of the water-based second base coating composition is 0.1% to 5.0%, comprising a glossy pigment and two or more color pigments with the same color index name as the color pigments contained in the water-based first base coating composition, and the solid content concentration NV2 is 7% to 30% by mass, wherein the PWC of the glossy pigment is... G2 The PwC of the coloring pigment is 5-35%. C2 The concentration is 0.5% to 20.0%, the ratio of the thickness T1 of the first base coating to the thickness T2 of the second base coating (T1 / T2) is 1.5 / 1 to 5 / 1, the ratio of the solid component concentration NV1 to the solid component concentration NV2 (NV1 / NV2) is 1.3 / 1 to 3 / 1, and the PWC of the glossy pigment is... G1 PWC with the glossy pigment G2 The ratio (PwC) G1 / PWC G2 The PwC of the coloring pigment is 1 / 10 to 1 / 1. C1 PWC with the coloring pigment C2 The ratio (PwC) C1 / PWC C2 The value is 1 / 5 to 1 / 1.

The invention relates to a fireproofing composition comprising a component A and a component B. The component A comprises a liquid epoxy resin and ammonium polyphosphate. The component B comprises (i) at least one adduct B1 of at least one polyamine having at least three amine hydrogens reactive towards epoxy groups and (ii) at least one epoxide, an ether group containing aliphatic primary diamine B2 and an aliphatic or cycloaliphatic primary diamine B3. The fireproofing composition has a good adhesion to metals, shows a good fireproofing value with low mass loss after passing through the drying oven of the automotive industry and is suitable for spraying.

To provide an insulated wire including a coat that is thin but has excellent insulation performance and a method for producing the same, and a production method that can produce such an insulated wire at a firing temperature of 250°C or lower while reducing the environmental load and cost.SOLUTION: An insulated wire includes a conductor wire, and an insulation film that coats the conductor wire. The insulation film comprises a cured product of an aromatic (poly)ether compound comprising bisphenol A and benzophenone.SELECTED DRAWING: None

A cured coating film having an excellent water and oil repellency, an excellent slipperiness, and excellent chucking properties can be formed by a surface treatment agent that contains: a fluoropolyether group-containing polymer having at least one group represented by formula (1) at at least one terminal of the molecule (In the formula, Y is a divalent organic group containing an o-, m-, or p-phenylene group; R is a C1-4 alkyl group or a phenyl group; each X is independently a hydroxyl group or hydrolyzable group; and a is 2 or 3.), and / or a partial (hydrolysis) condensate of this polymer.

The objectives are to provide a moisture-curing shoe composition that exhibits excellent abrasion resistance in the cured product, suppresses the generation of air bubbles within the cured product, and has excellent transparency in the cured product, and to provide a shoe repair method using a moisture-curing shoe composition that exhibits excellent abrasion resistance in the cured product, suppresses the generation of air bubbles within the cured product, and has excellent transparency in the cured product. As a solution, a moisture-curing shoe composition is provided that contains (A) a crosslinkable silyl group-containing polyether and / or a crosslinkable silyl group-containing polyurethane, (B) a crosslinkable silyl group-containing vinyl organic polymer, and (C) a diluent and / or a plasticizer.

The objectives are to provide a moisture-curing shoe composition that exhibits excellent abrasion resistance in the cured product and suppresses the generation of air bubbles within the cured product, and to provide a shoe repair method using a moisture-curing shoe composition that exhibits excellent abrasion resistance in the cured product and suppresses the generation of air bubbles within the cured product. As a solution, a moisture-curing shoe composition is provided that contains (A) a crosslinkable silyl group-containing polyether and / or a crosslinkable silyl group-containing polyurethane, and (B) a crosslinkable silyl group-containing vinyl-based organic polymer.

The application provides a fluorescent structural color anti-counterfeiting material and a preparation method thereof, and the preparation method comprises the following steps: preparing composite fluorescent particles of mesoporous silica microsphere loaded halogen perovskite fluorescent particles CsPbX3, wherein X is Br, Cl or I; mixing the composite fluorescent particles with monodisperse silica nanoparticles, resin, a solvent, an initiator and an additive to obtain a mixture, wherein the volume percentage of each component in the mixture is as follows: 25-65% of the nanoparticles, 35-75% of the resin, 0.01-10% of the initiator, and 5-90% of the solvent, and the mass of the composite fluorescent particles is 0.01-3% of the mass of the silica nanoparticles; performing rotary evaporation on the mixture under vacuum to obtain concentrated paint, and after photocuring or thermal curing, the anti-counterfeiting material is obtained. The anti-counterfeiting material of the technical scheme has the dual anti-counterfeiting effects of structural color anti-counterfeiting under natural light and fluorescent anti-counterfeiting under ultraviolet excitation.

The application belongs to the field of organic polymer synthesis and its application, and particularly relates to a low-valence manganese catalyst and its preparation and application in perfluoropolyether modified siloxane. The valence of manganese in the low-valence manganese catalyst is -1, and compared with zero-valence or +1 and +3 valence manganese, the reduction ability is stronger, the catalytic activity is higher, and the catalytic efficiency of the manganese catalyst is further improved. The fingerprint-resistant adhesive prepared by using the perfluoropolyether modified siloxane has excellent characteristics of hydrophobic and oleophobic, high transparency and good friction resistance. The preparation method is simple in operation, simple in process and convenient for industrial production. Meanwhile, the raw materials are cheap and easy to obtain, and the cost is low, so the application is conducive to popularization and application in production practice.

The present invention provides an anchor coating agent capable of forming an anchor coating layer with high adhesion and high water-resistant friction properties, and a laminate comprising the anchor coating layer. [Solution] An anchor coating agent is provided, comprising a polyethyleneimine resin, resin (A), and a solvent, wherein resin (A) includes at least one selected from the group consisting of urethane resins, ester resins, epoxy resins, vinyl resins, acrylic resins, and olefin resins.

The application belongs to the technical field of polymer composites, and particularly relates to a sprayable conductive PPE / PA material, which is composed of polyphenylene ether, polyamide, styrene-maleic anhydride copolymer, silane functionalized zinc tin oxide nanowire, boron-nitrogen co-doped reduced graphene oxide-silver hybrid nanosheet, antioxidant and ethylene bis-stearamide. The application first prepares zinc metatitanate nanowire through a hydrothermal-calcination method, and obtains silane functionalized zinc tin oxide nanowire through surface functionalization of aminopropyl triethoxysilane. Meanwhile, the boron-nitrogen co-doped reduced graphene oxide-silver hybrid nanosheet is prepared through a hydrothermal co-doping-in-situ reduction method. The modified compounds are melt blended, extruded and granulated together with polyphenylene ether, polyamide, a compatibilizer and the like, and then a coating is obtained through melt spraying and solidification. The application adopts nanowire and nanosheet to synergistically enhance the conductive network, and the filler is firmly combined with the matrix interface, so that the obtained material has good conductivity and excellent sprayability.

The present invention makes it possible to provide a coating film formed on a substrate, the coating film containing an aromatic polyether ketone and an organosilicon compound having a siloxane bond, and having excellent non-stick properties.

Organotin compositions having the formula RSnL3 and corresponding synthetic methods are described. R includes aromatic, cyclic and / or halogenated ether moieties, or polyethers, and L includes hydrolysable groups. The organotin compositions may be formed as radiation-patternable coatings on substrates. The coatings may have an average thickness from about 1 nm to about 75 nm and have the formula RSnOn(OH)3-2n, forming an oxo- hydroxo network, where R is a hydrocarbyl ether group with 1 to 30 carbon atoms and 0<n<3 / 2, wherein regions of the coating are soluble in 2-heptanone in a puddle development step following a bake at 150 °C tor 120 seconds. The coatings may be radiation-patternable using UV, EUV or ion beam radiation, and corresponding methods are described.

Provided is a method for forming a coating film of a photocurable fluoropolyether-based elastomer composition, with which a uniform cured product of the composition can be obtained even in an interface, dark portion and deep portion of a base material without being subjected to a curing inhibition from the base material (resin base material in particular). The method for forming the coating film of the photocurable fluoropolyether-based elastomer composition includes a step of applying a light-irradiated photocurable fluoropolyether-based elastomer composition to a surface of a base material.

The object of this invention is to provide a fluorinated ether compound, a fluorinated ether composition, a coating liquid, and an article having a surface layer with excellent fingerprint removal and finger slipperiness, and a method for manufacturing the same. A fluorinated ether compound is represented by formula (1) or formula (2). {(R f1 -A 1 -) p1 Si(-R) 1 ) 3‑p1} q1 -Q 1 (-T) n1 (-R) f2 ) r1 Equation (1). {(R) f1 -A 1 -) p2 Si(-R) 1 ) 3‑p2} q2 -Q 2 (-T) n2 -R f3 -Q 3 (-T) n3 {-Si(-R) 2 ) 3‑p3 (-A) 2 -R f1 ) p3} q3 Equation (2). The symbols in the equation are as described in the instruction manual.

The present invention provides a cationic photocurable composition, a paint, a product having a photocured coating layer, and an ink. The cationic photocurable composition comprises A1: 【Chemical formula 43】 TIFF2025518683000049.tif23155, and A2: 【Chemical formula 44】 TIFF2025518683000050.tif20154, B: an epoxy compound, and C: a cationic initiator. Based on this, when the cationic photocurable composition of the present invention is subsequently applied as a paint, the wet adhesion between the formed coating layer and the substrate film interface is more excellent, and the coating layer further has very excellent scratch resistance performance. In addition, when the above cationic photocurable composition is subsequently applied to gravure printing as an ink, the occurrence of mist problems can be more effectively avoided.

A method for producing a sensor spot coated with a fluoropolymer-free polymer layer includes coating a substrate with an analyte-sensitive pigment layer arranged on the medium side. The pigment layer contains at least one luminophoric dye and is designed to emit luminescence. The intensity, decay time, or phase shift of the luminescence depends upon the concentration of the analyte. The method also includes coating the pigment layer with a first silicone layer arranged on the medium side, and coating the first silicone layer with a fluoropolymer-free polymer layer that comprises ultra-high molecular weight polyethylene (UHMPE), polyether ether ketone (PEEK), polysulfone (PSU), and polyphenylene sulfide (PPS).

The application discloses a preparation method of modified polyether ether ketone composite material and application of the modified polyether ether ketone composite material in preparation of high-temperature insulation coating. The preparation method comprises the following steps: S1, mixing a solution containing KH-560 with nano-silicon dioxide, ultrasonic dispersion reaction is carried out at 50-60 DEG C for 2-3 hours, and then the solvent is removed to obtain modified nano-silicon dioxide; S2, after the prepared modified nano-silicon dioxide is premixed with polyether ether ketone powder, ball milling is carried out in a planetary ball mill, drying is carried out, heat treatment is carried out, and furnace cooling is carried out, and then the modified polyether ether ketone composite material is obtained. According to the scheme, the surface of the silicon dioxide is modified by the epoxy group of KH560, the epoxy group of KH560 is combined with the PEEK matrix to form a covalent bond, and the interface bonding strength and the thermal stability are significantly improved. On this basis, the nano-level uniform dispersion of the silicon dioxide in the pure PEEK matrix is realized by combining the ultrasonic dispersion and the planetary ball milling process.

This invention relates to the field of power cable technology, and proposes a high-toughness steel strand and its preparation method. The high-toughness steel strand includes bare stranded wire and an epoxy coating sprayed onto the surface of the bare stranded wire. The epoxy coating raw materials include the following components in parts by weight: 100 parts epoxy resin, 25-30 parts carboxylated ternary chloroform resin, 20-50 parts polyphenylene ether, 30-40 parts nano-calcium carbonate, 2-4 parts curing agent, and 1-3 parts degassing agent. This technical solution solves the problem of poor toughness of epoxy coatings on steel strands in related technologies.

A cost-effective method for making a silicone hydrogel contact lens has a crosslinked hydrophilic coating applied thereon. The method involves heating a silicone hydrogel contact lens in an aqueous solution in the presence of a water-soluble, highly branched, thermally- crosslinkable hydrophilic polymeric material having positively-charged azetidinium groups, and at a temperature from 40 Centigrade to 140 Centigrade for a period of time sufficient to covalently attach the thermally-crosslinkable hydrophilic polymeric material onto the surface of the silicone hydrogel contact lens through covalent linkages each formed between one azetidinium group and one of the reactive functional groups on and / or near the surface of the silicone hydrogel contact lens, thereby forming a crosslinked hydrophilic coating on the silicone hydrogel contact lens. Such method can be advantageously implemented directly in a sealed lens package during autoclave.

It relates to a water-soluble polymer suitable for coating a substrate which comprises i) a silicone-based moiety comprising a repetitive unit of formula (I), wherein each R is independently (C1-C30)alkyl or (C3-C10)cycloalkyl; and n is a value from 1 to 200; and ii) a hydrophilic polymer moiety which comprises one or more functional groups capable of forming one or more chemical bonds with a substrate; wherein the silicone-based moiety and the hydrophilic polymer moiety are covalently attached. It also relates to a process for the preparation of the water-soluble polymer, to a composition comprising it, to the use of the composition for coating a substrate and a process for coating the substrate, as well as to a substrate coated with the composition.

Photocurable compositions and methods are disclosed for producing 3D high frequency dielectric materials for use as insulators in circuits, e.g., high performance RF components, such as antennas for electromagnetic wave transmission, filters, transmission lines, or high frequency interconnects. The high frequency circuit structures have very low dielectric losses at operating frequencies (1-60 GHz).

Treated, transportable ISO tanks include an interior metal surface and a hydrophobic surface layer applied thereto, directly or through an intermediate layer. The surface layer comprises a self-assembled monolayer prepared from a fluorinated material having the structure:wherein A is an oxygen radical or a chemical bond; n is 1 to 20; Y is H, F, CnH2n+1 or CnF2n+1; X is H or F; b is at least 1, m is 0 to 50, p is 1 to 20, and Z is an acid group or an acid derivative. Also, a method of reducing deposition of a friction reducer on a surface of an apparatus that stores or transports the same, includes contacting the surface with the above fluorinated material in a diluent, directly or through an intermediate layer; forming a film on the surface; and introducing the friction reducer therein.

The application discloses a kind of anticorrosive powder coating based on nanohybrid and production process thereof, and relates to the technical field of powder coating.The weight parts include: 40-50 parts of epoxy resin, 5-8 parts of curing agent, 5-10 parts of nanohybrid, 2-5 parts of synergistic component, 10-15 parts of pigment and filler, 1-3 parts of coupling agent and 2-5 parts of auxiliary agent.The epoxy resin is compounded with E12, NPES-901 and epoxy-based fluorine-containing polyaryletherketone, the curing agent is a ternary compound of dicyandiamide, 9,9-bis(4-aminophenyl)fluorene and isophthalic acid dihydrazide, the nanohybrid is prepared by modifying halloysite nanotube, fluorinated graphene and organic montmorillonite with silane coupling agent and ionic liquid, and the synergistic component is a compound of nano-hydroxyapatite and nano-zirconium dioxide.The synergistic effect of each component of the application makes the coating dense, with strong adhesion, wear resistance and weather resistance, and outstanding corrosion resistance, solving the problems of traditional coating, such as difficult to balance corrosion resistance and wear resistance, poor processability, etc.