37 results about "Phenoplasts" patented technology

The invention discloses a thermal overload relay base injection mold. The thermal overload relay base injection mold comprises a fixed mold thermal insulation plate, a fixed mold bottom plate, a fixed mold plate, a movable mold plate, a movable mold bottom plate, a movable mold thermal insulation plate and a mold leg strip which are sequentially arranged from top to bottom. The fixed mold bottom plate is fixedly connected with the fixed mold plate. A positioning ring is arranged in the middle of the fixed mold thermal insulation plate and is fixedly connected with the fixed mold thermal insulation plate. A sprue bush is arranged in the positioning ring. First forming inserts are arranged at the two ends of the fixed mold plate. A second forming insert is arranged below the sprue bush. The thermal overload relay base injection mold is made of thermoset phenolic plastic through injection molding, the forming temperature is high, manufactured products are good in quality and high in machining accuracy, and mold opening is stable and reliable.

This invention involves a naphthol modified phenolic resin and its preparation. The ratio of the components : Phenol 100, solid paraform 40 - 45, polyphenylene oxide ether10- 15, modifier X 10-15, fiberglass 55 - 60, polysulfone 10 - 20, while sodium pentachlorophenate 2 -5, solvents 94 -100. Through the stir conditions adding modifier X into phenol, adding certain proportion of the solid paraform and polysulfone. In reactor adding solvents, resin diluted, and joined the sodium pentachlorophenate; fiberglass couple treated then uniform impregnation, after drying, postbaking, processing pelletizing and molding.

The invention concerns an aqueous slurry comprising thermally expandable microspheres comprising a thermoplastic polymer shell and a propellant entrapped therein, said slurry further comprising an at least partially water soluble polymer selected from the group consisting of gums, celluloses, chitins, chitosans, glycans, galactans, pectins, mannans, dextrins, polyacrylic acid, esters and amides and co-polymers thereof, polymethacrylic acid, esters and amides and co-polymers thereof, rubber latexes, poly(vinyl chloride) and copolymers, poly(vinyl esters) and co-polymers, poly(vinyl alcohol), polyamines, polyetyleneimine, polyethylene/polypropylene oxides, polyurethane, and aminoplast and phenoplast precondensates and polyamidoamine epichlorohydrin resins. The invention further concerns a process for its preparations, use thereof for the production of paper or non-woven, and a process for the production of paper or non-woven.

The invention discloses a method for electroplating copper for phenolic plastic, and belongs to the field of electroplating processes. The method is characterized by comprising the following steps: soaking and cleaning work-pieces by using a 1% washing powder solution; drying the work-pieces by using a spin-drying or medium temperature baking method; performing dust removal on the surfaces of the work-pieces by using strong wind; determining the types of conductive metallic paint; preparing the conductive metallic paint by using brass powder, silver-plated copper powder, sub-nano grade copper powder, aluminum slurry and zinc powder; determining the proportion of each component of the conductive metallic paint, namely preparing the conductive metallic paint by using polyester resin, solvents, the sub-nano grade copper powder and an auxiliary agent, and determining the mass percents of the polyester resin, the solvents, the sub-nano grade copper powder and the functional auxiliary agent; and preparing a copper-plating layer by using an acidic copper plating method, and performing chemical copper plating. By adopting the method disclosed by the invention, the surface of the phenolic plastic can be directly electroplated, and the current situations that the phenolic plastic cannot be electroplated directly or in large scale and serious pollution can be caused by electroplating sewage at present can be changed; and the method disclosed by the invention is simple to operate and easy to popularize.

The invention relates to an ionization signal receiver, a preparation tool, a preparation method and an initiating explosive device test system. The ionization signal receiver comprises phenolic plastic and 2N enameled wires pressed and injected on the phenolic plastic, wherein N is greater than or equal to 1, every two varnished wires form a group, the distances between the two varnished wires ineach group are consistent, one end of each varnished wire is wrapped in phenolic plastic, the end face is flush with the end face of the phenolic plastic, ionization signals generated when the linearinitiating explosive device works are received, and the other end of each varnished wire extends out of the phenolic plastic to be output as a pole needle; and the enameled wires in each group are mutually backed up. The preparation tool and the preparation method ensure that the distance between the two enameled wires in the same group of the ionization signal receiver is 1.15 cm-1. 20cm, and finally improve the test precision of the working time synchronism of the multi-path linear initiating explosive device.

The invention relates to an ABS composite material, and application and a preparation method thereof, belonging to the technical field of macromolecules. The ABS composite material comprises the following raw material components in percentage by weight: 53.5%-89.6% of regenerated ABS, 0.1%-1% of a chain extender, 5%-15% of regenerated phenolic plastic, 2%-15% of silicon carbide, 2%-15% of aluminumoxide, 0.1%-0.3% of a coupling agent, 0.1%-0.5% of an antioxidant and 0-4% of other assistants. The ABS composite material provided by the invention has excellent mechanical properties and excellentshrinkage and warping resistance, and can be used for 3D printing.

The invention provides an insulating weather-resistant high-precision electronic connecting wire, and relates to the technical field of electronic wires. The insulating weather-resistant high-precision electronic connecting wire comprises a conductor, an insulating layer, a filling layer and a protective layer which are arranged from inside to outside, and is characterized in that the insulating layer comprises a first insulating layer and a second insulating layer, and the inner side of the second insulating layer is provided with a frosted surface; the protective layer is prepared from the following raw materials in parts by mass: 40-60 parts of polyethylene, 15-18 parts of silicate compound particles, 12-19 parts of silicone oil, 8-11 parts of boron nitride powder, 0.6-0.9 part of dimethylaminobenzene, 0.2-0.6 part of an anti-aging agent and 2-4 parts of a vulcanizing agent. The first insulating layer and the second insulating layer are arranged, the silicone oil and the boron nitride powder are added into the protective layer, and the phenolic plastic powder and the vinyl carboxylate are added into the filling layer, so that the heat dissipation effect of the filling layer and the protective layer is improved, and the effect of prolonging the service life of the electronic connecting wire is achieved.

The invention relates to a method for electroplating copper on phenolic plastics, which belongs to the field of electroplating technology. It is characterized in that it includes: soaking and cleaning the workpiece with 1% washing powder solution; drying the workpiece by drying or baking at medium temperature; dedusting the surface of the workpiece by strong wind; determining the type of conductive metal paint; using brass powder, silver-plated copper powder, sub-nanometer copper powder, aluminum paste and zinc powder to obtain conductive metal paint; determine the distribution ratio of each component of conductive metal paint: prepare conductive metal paint with polyester resin, solvent, sub-nanometer copper powder and additives, determine The mass fraction of polyester resin, solvent, sub-nanometer copper powder, and functional additives; the copper plating layer is prepared by acid copper plating method, and electroless copper plating. The surface of the phenolic plastic can be directly electroplated, which can change the current situation that the phenolic plastic cannot be directly electroplated, cannot be electroplated on a large scale, and is seriously polluted by electroplating sewage. The method of the invention is simple to operate and easy to popularize.

The invention relates to an energy-saving type mesh belt quenching furnace which comprises a main body, heat preservation mechanisms and a steel channel base. The heat preservation mechanisms are arranged at the two ends of the exterior of the main body, and the steel channel base is installed at the bottom of the main body. Each heat preservation mechanism comprises a first furnace shell heat preservation layer. The first furnace shell heat preservation layers are arranged on the two sides of the bottom of the main body. The energy-saving type mesh belt quenching furnace has the beneficial effects that through the design of the steel channel base, phenolic plastic blocks with comprehensive excellent strength and heat insulation capacity are selected to be made into connecting blocks to replace a steel channel to serve as furnace bottom supporting rods, phenolic plastic is installed in the middle of the steel channel, the phenolic plastic and the steel channel are connected through bolts, the heat bridge phenomenon that furnace bottom heat energy is transmitted through the steel channel is reduced, in order to facilitate equipment manufacturing and installation, the steel channel base is designed to be of a double-supporting structure, namely, the steel channel base comprises phenolic plastic block supporting rods and steel channel supporting rods, and 6-8 steel channel supporting rods are evenly arranged on the steel channel base and connected with the base through bolts.

The invention discloses a waterproof antistatic wood floor of a computer room. The wood floor comprises a lower wood plate layer (4). A phenoplasts cellular column layer (3) is arranged on the lower wood plate layer (4). Cooperation protrusions (5) or cooperation grooves (6) are arranged in four edges of the phenoplasts cellular column layer (3). An upper wood plate layer (2) is arranged on the phenoplasts cellular column layer (3). The upper wood plate layer (2) is coated with a biological wax film layer (1). The wood floor is advantaged by quite good waterproof performance, quite good shock-proof performance and quite long service lifetime.

The invention belongs to the technical field of metal casting, and particularly relates to a novel bimetallic wear-resistant pipe which comprises a lining pipe, an outer-layer pipe and a reinforcing coating. The lining pipe comprises the following raw materials in percentage by mass: less than or equal to 0.02% of carbon, 0.1-0.3% of nitrogen, 1.7-1.9% of manganese, 18-20% of chromium, 10-13% of nickel, 0.2-0.4% of silicon, 1.4-1.8% of aluminum, 0.8-2.3% of tantalum, 0.5-1.4% of niobium, 1.5-3.2% of hafnium, 0.1-0.3% of cobalt, 1-3% of tungsten, 1-3% of molybdenum, 0.3-0.6% of tellurium, 3-5% of nodular cast iron, 3-5% of gray cast iron, 3-5% of epoxy plastic, and 4-6% of phenolic plastic. The lining pipe and the outer-layer pipe are both made of stainless steel materials, so that the corrosion resistance, the formability, the compatibility and the obdurability in a wide temperature range of the bimetallic wear-resistant pipe are enhanced; and cast materials such as nodular cast iron, gray cast iron, epoxy plastic and phenolic plastic are added on the original basis, so that tensile strength of the bimetallic wear-resistant pipe is enhanced.

The invention relates to a method for producing coke through co-coking coal and waste/used phenolic plastics. The method for producing the coke through co-coking the coal and the waste/used phenolic plastics is characterized by comprising the following steps: (1) carrying out mixing and cooking on butadiene-acrylonitrile rubber and the waste/used phenolic plastics; (2) crushing treated plastics; (3) blending and crushing the treated plastics and matching coal; and (4) carrying out coking test on coal blend. According to the method for producing the coke through co-coking the coal and the waste/used phenolic plastics, disclosed by the invention, an effective method is provided for utilizing the waste/used phenolic plastics by co-charring butadiene-acrylonitrile rubber, the waste/used phenolic plastics and coking coal, the environmental pollution caused by the waste/used phenolic plastics is reduced, and meanwhile, part of replacing raw materials are provided for the shortage of coking coal resources, so that the method has very good economic and environmental benefits.

The invention discloses a pulverizer for plastic production. The pulverizer structurally comprises a motor, a dustproof cover, a pulverizer body, a feeding port and a discharging port, wherein the output end of the motor is mounted in the dustproof cover; the upper end of the dustproof cover is mounted outside the pulverizer body; the feeding port is fixedly formed in the upper end of the pulverizer body and communicates with the pulverizer body; and in the process that a phenolic plastic shell is in contact with shifting plates, the moisture of phenolic resin in phenolic plastic is primarilydried through heating rods, then, the moisture in the phenolic resin is absorbed by silica gel in a storage box in the rotating process of rotating rollers, and the moisture in the phenolic plastic iseffectively removed. According to the pulverizer for plastic production, a rotating shaft rod rotates to drive movable cutters to rotate for cutting, the phenolic plastic shell is preliminarily pulverized, and a buffer distance is formed between hammer bodies and the cylinder wall through springs arranged between swing rods and the hammer bodies, so that the hammer bodies are prevented from excessively extruding fine phenolic plastic, and the phenolic plastic is prevented from being dissolved in the pulverizing process.

This invention generally provides blocked isocyanate compositions and more specially blocked isocyanate compositions useful in aminoplastic resins, phenoplastic resins or latex resins for composite wood products, wherein the blocked isocyanate composition is obtained by adding alkylene carbonate to a blocked isocyanate (A), wherein the blocked isocyanate (A) is obtained by reacting a secondary amine (a1) with a reaction product (a2) of a polyfunctional isocyanate and a monofunctional hydroxyl containing compound, wherein the monofunctional hydroxyl containing compound is a polyethylene oxide polymer with terminal hydroxyl group, polyoxyethylene-polyoxypropylene monols or a mixture thereof, wherein the portion of blocked isocyanate (A) by weight percentage of the blocked isocyanate composition is between 50 and 90, preferably between 60 and 80. The compositions are stable at room temperature when mixed with active hydrogen containing compounds. The composition has low visicosity and after de-block has the potential to reduce free formaldehyde levels in formaldehyde containing resins.