207results about How to "Good matting" patented technology

The invention discloses a method for producing porous nano silica and active carbon by utilizing rice hull ash, which comprises the following steps of: at lower temperature and normal pressure, performing secondary alkali dissolution on subcarbonate, and filtering to obtain alkali-dissolved filter liquor and filter residue; adding a certain amount of dispersing agent into the filter liquor, reducing temperature for ageing, filtering, washing, and removing the dispersing agent to obtain the porous nano silica; and adding an activating agent into the alkali-dissolved filter residue, activating, washing and drying to obtain the high specific surface area active carbon. The alkali and the active carbon can be recycled, and only a small amount of alkali and active carbon is lost. The method has the advantages of not seriously corroding equipment due to no high-temperature and high-pressure alkali boiling, sufficient raw materials, low price, no environmental pollution, and higher quality of the obtained active carbon and silica.

The present invention relates to the blending and modifying field of the polymer material, and discloses a polypropylene blend modified material with the lowered surface gloss. The polypropylene blend modified material of the present invention consists of the following components and weight percentages: 20 to 90 percent of polypropylene, 10 to 80 percent of polyethylene, 0 to 2 percent of peroxide cross-linking agent, 0 to 5 percent of antioxidant, 0 to 5 percent of processing aid, and 0 to 30 percent of filler. The preparation method is: the components are blended in the high-speed mixer for 5 to 15 minutes according to the proportion; the twin-screw extruder is used to melt and blend; the temperature of the extruder is set to be between 100 and 220 Celsius system, and the rotating speed of the screw to be 150 to 400 rounds per minute; after pelletizing and drying, the polypropylene blend modified material can be made. The polypropylene blend modified material of the present invention has the lowered surface gloss and the good extinction effects, and can be used in the fields such as the packaging, daily necessities and building materials, and so on.

The invention discloses antioxidant, anti-wear and antirust lubricating oil for an automobile gear. The lubricating oil is characterized by being prepared from the following raw materials: base oil, a clearing agent, a dispersing agent, a preservative, an extreme-pressure anti-wear agent, an oiliness agent, an antioxidant, a viscosity index improver, an antirust agent, a pour point depressant and an antifoaming agent, wherein in the base oil of the lubricating oil, the kinematic viscosity below 100 DEG C is 1.5-40mm<2>/s, the viscosity index is over 100, the pour point is below -25 DEG C, and the sulfur content is below 0.01% by mass. The lubricating oil for an automobile gear, disclosed by the invention, has the advantages of simple composition, low cost, relatively good viscosity index, high anti-wear property and long service life; the compatibility between the lubricating oil additive and the base oil is relatively good, and the lubricating oil is of relatively high stability; and compared with existing automobile lubricating oil, the automobile lubricating oil disclosed by the invention has high corrosion resistance, the preparation technology of the lubricating oil is simple, and the steps are simple and environment-friendly and easy to implement.

Providing APIs for dynamically generating fast client-side proxies given any type of service interface specification/definition document, such as IDL, WSDL or JMX MBean descriptors, so as to provide fast communication with distributed clients as well as dynamically allowing server interfaces to be updated without burdening clients for generation/assembly of distributed communication client stubs. A dynamic static-proxy invocation gateway is utilized along with a plurality of novel dynamic static-proxy invocation generators, one being associated with each specific service available for use on the servers. The invocation gateway receives requests for service from a client side stub, ascertains the service to be accessed by the client requests, and causes the appropriate generator to create dynamically a static client-side proxy for the requested service, if one does not yet exist.

A mat for simulating natural terrain for use in an indoors display is the subject of this invention. The mat comprises a sheet of water impervious resinous material, a water base latex emulsion coating applied to the resinous material and a quantity of terrain simulating particles which are adhered to the sheet by the dried coating. The particles are fixed to the sheet by a sealant which is sprayed on the particles after the coating has dried. The particles may comprise flocking, ground foam rubber or rigid solid pieces. The invention also encompasses a method of preparing a simulated natural terrain utilizing the mat as afore described. This method includes outlining desired terrain features, applying water to the outlined area, scraping the substrate to remove particles from the outlined area and then coloring the area. Additional terrain features can be incorporated into the mat by scraping the mat to expose the underlying substrate in the shape of a design in the roadway such as a centerline, crosswalk or the like. Still further terrain simulating features may by utilizing a heat source to raise the temperature of the substrate and then shaping it into hills and valleys.

A matte resin film comprising a resin film substrate and a matte layer formed on at least one surface of the substrate, wherein a 60 degree specular gloss Gs on the surface of the matte layer is 5% to 100%, a haze H satisfies the equation: H(%)<1400/Gs(%), and a 85 degree specular gloss Gs′ on the surface of the matte layer is smaller than Gs, which exhibits an excellent matte effect even when a pattern is viewed at any viewing angle.

The invention relates to a matting resin modified polyvinyl chloride (PVC) matt film, belonging to the technical field of PVC matt films. The matting resin modified PVC matt film comprises the following components: 60 to 90 weight parts of polyvinyl chloride resin, 10 to 40 weight parts of matting resin (VinnolitC 100V), 20 to 50PHR of dioctyl phthalate, 2 to 10PHR of epoxy soybean oil, 2 to 5PHR of a thermal stabilizer, 0.3 to 0.5PHR of an antioxidant, and 0.1 to 1.0PHR of an ultraviolet absorbent. The modified matt film can achieve surface effects of anti-sticking, matting, grain forming and the like, has a good surface matting effect, has high adaptability to processing conditions, and has the advantages of good matting effect and the like in a broad plasticizing temperature range.

The invention provides an extinctive PC/ABS (Poly Carbonate/Acrylonitrile Butadiene Styrene) plastic alloy which is prepared from the following components in percentage by weight: 30-50% of PC, 40-65% of ABS, 1-10% of compatilizer, 1-5% of flatting agent, 0.2-1% of lubricant and 0.2-1% of antioxidant. The extinctive PC/ABS plastic alloy provided by the invention has the advantages of low surface glossiness, good toughness and flowability, low cost and the like. The manufacturing method is simple in processing step and low in comprehensive cost and is especially suitable for the fields of electronics, home appliances, automotive trims and the like.

The invention provides a preparation method of high polymerization degree delustering polyvinyl chloride resin. The method includes: adding deionized water, an initiator, a dispersant, a buffering agent, a vinyl chloride monomer, a crosslinking agent and other materials into a polymerization kettle, and carrying out polymerization reaction at a suitable temperature to obtain the high polymerization degree delustering resin with delustering effect. The crosslinking agent is a monomer containing two or more reaction activity functional group structures. The crosslinking agent is added before the polymerization reaction or when the conversion rate is 0.5%-50%, or by a combined way of the two. At an appropriate temperature, the prepared high polymerization degree delustering polyvinyl chloride resin has the characteristics of neat particles, loose structure and good delustering effect. While acquiring a high polymerization degree with an average polymerization degree up to 1700 or more, the product also has good delustering effect, and is suitable for processing high polymerization degree delustering plastic products.

The invention relates to a low-glossiness thermoplastic polyurethane composition and a preparation method and application thereof. The composition comprises, by weight, (A) 50%-95% of thermoplastic polyurethane elastomer, (B) 3%-45% of thermoplastic polyamide polymer or commixture of thermoplastic polyamide and thermoplastic polyamide polymer; (C) 1%-20% of a third component, wherein the third component is selected from one or more of inorganic filler, polycarbonate powder, PTFE (polytetrafluoroethylene) powder and organic (hypophosphite)phosphate. According to standard ASTM D523 tests, 60-degree surface glossiness is lower than 30Gs, and the composition is great in mechanical property and processability, uniform and delicate in surface matting effect, smooth in handfeel and suitable for preparation of cables, pipes, belts and film products.

The invention relates to a low-glossiness thermoplastic polyurethane composition and a preparation method and application thereof. The low-glossiness thermoplastic polyurethane composition comprises, by mass percentage, 50-95% preferably 70-85% of thermoplastic polyurethane elastomer, 3-45% preferably 10-20% of thermoplastic polyester polymer and 1-20% preferably 5-10% of inorganic filler. The preparation method includes: melting and blending the components according to a certain proportion to obtain composition granules, and using melt extrusion equipment to extrude sheets of about 1mm. The low-glossiness thermoplastic polyurethane composition has the advantages that standard ASTM D523 tests show that the 60-degree-angle surface glossiness of the composition is lower than 30Gs, and the composition is good in mechanical performance and machining performance, even and fine and smooth in surface dulling effect, smooth in touch and suitable for being used for producing cables, pipes, belts and thin film products.

The invention discloses a matte wet and unsmooth feeling treating agent for synthetic leather and a preparation method of the treating agent. The matte wet and unsmooth feeling treating agent for the synthetic leather is formed by the following components: modified polyurethane resin, DMF (Dimethyl Formamide), n-butyl acetate, silicon dioxide extinction powder, wool grease, polyoxyethylene ether, castor oil and an organic silicon flatting agent. Compared with a conventional common matte leather surfactant, the matte wet and unsmooth feeling treating agent for the synthetic leather, disclosed by the invention, can obviously enable the matte extinction effect of the surface of a leather face to be good after treatment of the synthetic leather, so that the leather face has the unique wet and unsmooth wax feeling and the genuine leather effect of the leather face is strong; and the synthetic leather applying the matte wet and unsmooth feeling treating agent has the wet and unsmooth hand feeling and the comprehensive effect is good.

The invention discloses a high-strength antistatic weather-resistant flame-retardant shell for electric power meters. The shell is prepared from the following raw materials in parts by weight: 90-110 parts of polypropylene, 25-35 parts of a polyolefin elastomer, 2-4 parts of graphene, 10-20 parts of glass fibers, 0.5-0.8 part of an antistatic agent, 8-12 parts of a processing aid, 0.8-1.6 parts of a coupling agent, 8-12 parts of hexamethylphosphoramide, 4-8 parts of nano-titania powder, 0.5-1.5 parts of nano-silica and 12-16 parts of a flame-retardant additive. The shell for the electric power meters is safe and environment-friendly, can resist static electricity, wear and aging, has relatively high tensile strength, bending strength and notch impact strength and is relatively long in service life and excellent in comprehensive property; and meanwhile, the raw materials are easily available, and the preparation method is relatively low in material cost and simple and clear in process and has relatively high practical values and good application prospects.

Disclosed is a polyamide resin film which has excellent dimensional stability with respect to moisture absorption, excellent mechanical characteristics and sliding properties under high temperature and high humidity conditions, and excellent handling properties. Specifically disclosed is a biaxially stretched polyamide resin film, to which 0.3-10% by weight of an inorganic material including a layered compound is added. The biaxially stretched polyamide resin film is characterized in that the layered compound is in-plane oriented, and that the film has a haze of 1.0-20%, an elastic modulus in the longitudinal direction of 1.7-3.5 GPa at a relative humidity (RH) of 35%, a surface roughness (Sa) of 0.01-0.1 μm, and a coefficient of static friction (F/B) of 0.3-1.0 at a normal stress of 0.5 N/cm².

The invention discloses an extinction film or diaphragm. The extinction film or diaphragm is formed by a framework agent and a sensitizer, and the content of a polyvinyl chloride cross-linked gel in the extinction film or diaphragm is controlled to be 15-85% after electron ray irradiation; the content of the polyvinyl chloride cross-linked gel in the extinction film or diaphragm presents a gradient change; and the framework agent is polyvinyl chloride resin having a polymerization degree of 500-2800, and the sensitizer is a polyfunctional unsaturated monomer. Correspondingly, the invention further discloses a preparation method for the extinction film or diaphragm. The preparation method comprises the following steps of: performing embossing forming on the primarily-formed film or diaphragm via an embossing roll; and then performing the electron ray irradiation of an electron accelerator. With the adoption of the preparation method disclosed by the invention, the extinction film or diaphragm is excellent in extinction property, low in glossiness, high in haze, good in diffuse reflection extinction effect, excellent in texture heat-resistant retainability, simple in processing technique, low in energy consumption, high in yield, pollution-free, and wider in industrial application prospect.

The invention discloses an abrasion-resistant flame-retardant environment-friendly PVC (polyvinyl chloride) material which is characterized by comprising, by weight, 70-80 parts of PVC, 5-7 parts of butadiene-acrylonitrile rubber, 2-3 parts of graphene, 6-9 parts of barium-zinc stabilizers, 13-17 parts of processing agents, 0.8-1.6 parts of coupling agents, 10-16 parts of kaolin, 8-12 parts of hexamethylphosphoric triamide, 4-8 parts of nano-titanium dioxide powder, 0.5-1.5 parts of nano-silicon dioxide, 12-16 parts of flame-retardant additives, 10-20 parts of brominated epoxy resins and 5-10 parts of inorganic pigments. The PVC decoration material is safe, environmentally friendly, retardant in static electricity, abrasion and age, long in service life and excellent in comprehensive performance. The invention provides a preparation method of the abrasion-resistant flame-retardant environment-friendly PVC decoration material. Material cost is low, raw materials are easily acquired, processes are simple and clear, and the material has high practical value and good application prospect when being used for indoor decoration.

Disclosed is a matte multilayer polyester film excellent in contamination resistance, chemical resistance, formability, heat bondability, delustering properties, embossing properties, water vapor barrier properties and the like, which is particularly suitable for wallpapers. Specifically disclosed is a matte multilayer polyester film having at least a two-layer structure of A/B. The polyester of layer A is composed of a composition containing 60-95% by weight of a polyester (a) and 5-40% by weight of an incompatible resin (b), while having a glass transition temperature TgA of 30-70 DEG C. The polyester of layer B is mainly composed of a copolymerized polyester having a melting point TmB of 120-210 DEG C. The degree of surface glossiness of the layer A is less than 50%.