31results about How to "Do not migrate" patented technology

The invention relates to high-temperature steam endurance ink for spraying code and printing, containing one or more organic solvents, resin and coloring agents. In addition, the consistency of the ink is 2.8-6.2CP / 25DEG C, the conductivity is 500-1,500muS and the surface tension is 27-30Dyn / cm. The high-temperature steam endurance ink for spraying code and printing can be applied to the surfaces of various packaged objects required to be treated at high temperature. The mark and the substrate adopting the high-temperature steam endurance ink have strong adhesive force and favorable adhesiveness and cannot fade, fall off, permeate and shift after being subjected to high-temperature digestion. The dried mark can be also scraped by a cleaning agent.

The invention relates to a special material for copper pollution resistant sockets. The material is prepared from the following raw materials in percentage by weight: 45-57% of polypropylene, 20-30% of glass fiber, 20-25% of a compound halogen-free flame retardant, 0.1-0.5% of an anti-copper agent, 2-5% of a compatibilizer, 0.1-0.3% of an antioxidant and 0.1-0.5% of a lubricant. The invention further provides a preparation method of the special material for copper pollution resistant sockets. The special material for copper pollution resistant sockets provided by the invention has the advantages that the proper anti-copper agent is adopted to improve the copper ageing resistance of the special material for sockets, moreover the material has good compatibility with polypropylene, good dispersion, no migration, no pollution, water resistance and good oil extraction, and the electrical insulation property and other properties of the resin are not influenced, the special material for sockets has excellent copper pollution resistance, mechanical properties, fire resistance and processing properties, and can meet the requirements of the European Union RoHS, IEC non-halogen and Reach laws and regulations, thereby having a good application prospect in the field of sockets.

The invention discloses a preparation method of color oil for an ultra-high molecular weight polyethylene fiber. The method comprises the following steps that a) a dispersion agent with an anchoring structure is added to a polyethylene spinning solvent, dispersion is conducted for at least 0.1 h under the stirring state, a pigment with a modified surface is added for stirring, the mixed solution is placed for wetting, and a liquid-state color master pre-mixed solution is obtained; b) the liquid-state color master pre-mixed solution obtained in the step a) is subjected to high-speed dispersion,the temperature is controlled within 60-180 DEG C, free radical macromolecules and an initiator are added, and a modified liquid-state color master batch is obtained; c) the modified liquid-state color master batch obtained in the step b) is subjected to grinding dispersion or cutting dispersion, and the color oil for the polyethylene fiber is obtained. The fiber prepared through the color oil for the polyethylene fiber has the advantages that the fiber diameter is small, the color fastness and fastness to washing are high, and the pigment does not fall off or transfer.

The invention discloses an antistatic coating of thermal dye sublimation photo paper. The antistatic coating comprises an antistatic agent, an acrylic resin and a solvent, the antistatic agent comprises a permanent antistatic agent which takes polyamide and polyether hindered anime as the basis for synthesis and a nano TiO2 conductive powder auxiliary antistatic agent which is coated by SnO2 and is carried out the Sb2O5 doping processing. As the technical proposal of the invention has excellent antistatic property, the antistatic coating can ensure the effectivity and the permanent property of the usage under the wide conditions of a relative humidity; in addition, as the polyethylene terephthalate and other plastic films have good adhesive property, the antistatic coating is applicable to the formation of the uniform and firm antistatic coating by the coating method, and the fastness of the coating is good.

The invention relates to an amino carboxylic acid type copper inhibitor-containing polypropylene composite material and a preparation method thereof. The polypropylene composite material is obtained by mixing 70-90% of polypropylene, 0.01-1% of an amino carboxylic acid type copper inhibitor, 0.1-10% of an inorganic filler, 0.1-0.5% of an antioxidant, 0.1-0.3% of an ultraviolet absorbent and 5-20% of a fire retardant. The method comprises the following steps: mixing above raw materials in proportion to form a mixture, extruding the mixture through a double screw extruder, cooling with water, drafting, and carrying out cutting granulation to granules. The copper inhibitor which is an amino carboxylic acid substance forms many chelated coordination structures with copper ions to generate a chelate having a high stability, and the chelate has the advantages of strong inhibition of the ageing catalysis capability of heavy metal ions, substantial copper harm resistance, good compatibility with resins, no migration, no pollution, water resistance, good oil extraction property, and no influences on the electric insulation performance or other performances of the resins.

The invention discloses an antistatic coating of thermal dye sublimation photo paper. The antistatic coating comprises an antistatic agent, an acrylic resin and a solvent, the antistatic agent comprises a permanent antistatic agent which takes polyamide and polyether hindered anime as the basis for synthesis and a nano TiO2 conductive powder auxiliary antistatic agent which is coated by SnO2 and is carried out the Sb2O5 doping processing. As the technical proposal of the invention has excellent antistatic property, the antistatic coating can ensure the effectivity and the permanent property of the usage under the wide conditions of a relative humidity; in addition, as the polyethylene terephthalate and other plastic films have good adhesive property, the antistatic coating is applicable to the formation of the uniform and firm antistatic coating by the coating method, and the fastness of the coating is good.

The invention belongs to the technical field of polymer materials, and in particular relates to a single-component high-strength flame-retardant polyurethane sealant for high-speed rail cars and a preparation method thereof. The one-component high-strength flame-retardant polyurethane sealant for high-speed rail passenger cars of the present invention uses basic prepolymers and PU plasticizers as main raw materials, supplemented by fillers and various additives, and the prepared polyurethane sealant has the following properties: It has the advantages of high strength, good flame retardancy and wide application range.

The invention relates to an aminocarboxylic acid-containing organic-inorganic composite anti-copper agent polypropylene composite material and a preparation method thereof. The polypropylene composite material of the present invention is 70-90% polypropylene, 0.01-1% organic-inorganic composite anti-copper agent, 0.1-10% inorganic filler, 0.1-0.5% antioxidant, 0.1-0.3% ultraviolet absorber, 5 Blends of ~20% flame retardants. The method is to mix various raw materials in proportion to form a mixture, extrude the mixture through a twin-screw extruder, and then draw, cut and granulate into pellets through cold water. The method of the present invention uses an organic-inorganic compound anti-copper agent to complex copper ions to form a chelate with high stability, which has a strong ability to inhibit the catalytic aging of heavy metal ions, has a significant anti-copper damage effect and has compatibility with resins. Good, no migration, no pollution, water resistance, good oil extraction, does not affect the electrical insulation properties of the resin and other properties.

The invention discloses water-in-water type sound insulation multicolor paint. The water-in-water type sound insulation multicolor paint is formed through three phases including colloidal solution, pelletized base paint and emulsion finished paint. The colloidal solution comprises sodium pyrophosphate, lithium magnesium silicate and water; the pelletized base paint comprises polyethylene glycol, an anti-foaming agent, waterborne elastic polyurethane emulsion, colloidal solution, titanium dioxide, environment-friendly inorganic pigments, a thickening agent, a thermal insulation agent, a film coalescing aid and water; the emulsion finished paint comprises waterborne elastic polyurethane emulsion, propylene glycol, a sound absorption functional material, pelletized paint, carboxymethyl cellulose, a waterproof agent, an anti-corrosion agent and water. The invention further provides a preparation method of the multicolor paint. Once spray coating of the multicolor paint can be realized without adoption of organic solvents and various colors. In addition, the water-in-water type sound insulation multicolor paint has advantages of sound insulation, heat insulation, water resistance, pollution prevention, easiness for washing and scrubbing resistance and is available for arbitrary color matching to realize perfect patterning.

The invention relates to a polypropylene composite material containing a polyphosphate copper-inhibitor and a preparation method of the polypropylene composite material. The polypropylene composite material is a blending material of the following materials in percent by mass: 70-90% of polypropylene, 0.01-1% of the polyphosphate copper inhibitor, 0.1-10% of an inorganic filling material, 0.1-0.5% of an anti-oxidant, 0.1-0.3% of a UV absorbent and 5-20% of a fire retardant. The preparation method comprises: mixing the various raw materials into a mixed material according to the ratio, extruding the mixed material by a double-screw extruder, performing cold-water drawing, cutting and granulating to form granules. The polyphosphate copper inhibitor employed by the method is strong in chelating capability with metal ions and large in chelating stability constant, metal ions are not easy to dissociate after chelated; and the polyphosphate copper inhibitor has extremely strong capability of inhibiting catalytic aging of heavy-metal ions, is substantial in copper-hazard resistant effect, and also has the advantages that the polyphosphate copper inhibitor is good in compatibility with resin, does not migrate, has no pollution, is resistant in water and good in oil extraction performance, does not influence electrical insulation property and other properties of resin, and the like.

The present invention is new type fire retardant aluminum crystal whisker and its production process. The fire retardant aluminum crystal whisker has the chemical molecular expression of NH4Al(OH)2(CO3).H2O. It is prepared with Al2SO4.18H2O and urea as main material, and through mixing with sorbic alcohol and water, regulating pH to 6-8, and heating to 95-150 deg.c to react inside a high pressure reactor for 6-8 hr to obtain the crystal as the fire retardant aluminum crystal whisker. The fire retardant aluminum crystal whisker has no toxicity, less smoke produced in burning, low toxicity of the burning product, no immigration, no leaching out, no environmental pollution and low cost, as well as high compatibility with polymer, many kinds of fire retarding gases, fire retarding gas releasing amount up to 60.0-80.0 %, low fire retarding gas releasing temperature of 250-350 deg.c, whisker length / diameter ratio up to 20-40 and other features.

The invention discloses a circular dry lubrication system for wheels and rails, and is applied to the field of lubrication technologies for locomotive wheel sets and rails. The circular dry lubrication system comprises lubrication blocks and a circular box. Each lubrication block is bent towards a side along a center arc to form an arc, a notch is arranged on the box, an annular guide groove for arranging the lubrication blocks is formed in the box and is provided with a lubrication block outlet which is formed in the notch, and a feeding mechanism is arranged in the box and can provide acting force for pushing the lubrication blocks arranged in the annular guide groove out of the lubrication block outlet one by one. The circular dry lubrication system has the advantages that the box can be fixedly mounted on wheel carriers of trains when the circular dry lubrication system is used, the notch of the box directly faces the edges of the wheels of the trains, the lubrication blocks in the box can slide along the annular guide groove under the effect of the feeding mechanism and can be in contact with specified locations of rims of the trains, and constant pressures can be generated; the wheels rotate when the trains run, tangential friction is carried out between the wheels and the lubrication blocks, an extremely thin lubrication film can uniformly cover each rim under friction effects of the corresponding lubrication blocks and the rim, accordingly, wheel-rail friction coefficients can be lowered to a great extent, and abrasion of the wheels and the rails can be reduced.

The invention discloses a water-in-water antimicrobial multicolor paint which is prepared by mixing a base paint, a protective adhesive and a varnish. The base paint is prepared from 50-150 parts of water-based elastic polyurethane emulsion, 20-60 parts of kaolin, 10-30 parts of titanium white, 0-30 parts of environment-friendly inorganic pigment, 5-10 parts of antimicrobial agent, 1-10 parts of defoaming agent, 1-10 parts of film forming aid and 100-300 parts of water. The protective adhesive is prepared from 30-80 parts of acrylate emulsion, 1-10 parts of preservative and 100-300 parts of water. The varnish is prepared from 20-100 parts of water-based pure acrylic elastic emulsion, 10-30 parts of waterproofing agent, 0.5-5 parts of thickener and 30-80 parts of water. The invention also discloses a preparation method of the multicolor paint. The multicolor paint has the characteristics of excellent mechanical properties, microbial resistance, water resistance, pollution resistance, high washability and scrub resistance; and the colors can be matched freely, thereby implementing perfect picture drawing.

The invention discloses a system and process for producing flame-retardant oriented particle board. The system includes: flaking device, wet flaking conveying device one, wet flaking silo, wet flaking conveying device 2, drying device, dry flaking conveying device 1, screening device, dry flaking silo (including Surface layer dry shaving silo, core layer dry shaving silo), dry shaving transfer device 2, glue mixing device (including surface dry shaving glue mixing device and core layer dry shaving glue mixing device), paving device, Hot pressing device, post-processing device after hot pressing and flame retardant spraying structure. The invention adopts multi-process spraying, the shavings absorb fully, the flame retardant is evenly distributed, and the flame retardant particleboard obtained through the treatment has excellent flame retardant performance.

The invention discloses a method for preparing a polyacrylate / nanometer ZnO composite coating printing binder by using a Pickering emulsion polymerization method. The method comprises the steps: mixing nanometer ZnO, allyloxy nonylphenol polyoxyethylene ether ammonium sulfate and water, and then, carrying out uniform ultrasonic treatment by using an ultrasonic pulverizer to obtain an aqueous dispersion of nanometer ZnO and allyloxy nonylphenol polyoxyethylene ether ammonium sulfate; then, adding butyl acrylate and methyl methacrylate into the aqueous dispersion and emulsifying to obtain a Pickering emulsion; carrying out free radical polymerization on the Pickering emulsion by taking ammonium persulfate as an initiator to obtain the polyacrylate / nanometer ZnO composite coating printing binder. By using the method, the defects of hot sticking and cold brittleness of polyacrylate binders can be overcome; after the prepared polyacrylate / nanometer ZnO composite coating printing binder is applied to a fabric coating printing process, the phenomena including mesh clogging and crazing cannot be caused, and a coating printed fabric has favorable color fastness.

The invention relates to high-temperature steam endurance ink for spraying code and printing, containing one or more organic solvents, resin and coloring agents. In addition, the consistency of the ink is 2.8-6.2CP / 25DEG C, the conductivity is 500-1,500muS and the surface tension is 27-30Dyn / cm. The high-temperature steam endurance ink for spraying code and printing can be applied to the surfaces of various packaged objects required to be treated at high temperature. The mark and the substrate adopting the high-temperature steam endurance ink have strong adhesive force and favorable adhesiveness and cannot fade, fall off, permeate and shift after being subjected to high-temperature digestion. The dried mark can be also scraped by a cleaning agent.

The invention discloses a circular dry lubrication system for wheels and rails, and is applied to the field of lubrication technologies for locomotive wheel sets and rails. The circular dry lubrication system comprises lubrication blocks and a circular box. Each lubrication block is bent towards a side along a center arc to form an arc, a notch is arranged on the box, an annular guide groove for arranging the lubrication blocks is formed in the box and is provided with a lubrication block outlet which is formed in the notch, and a feeding mechanism is arranged in the box and can provide acting force for pushing the lubrication blocks arranged in the annular guide groove out of the lubrication block outlet one by one. The circular dry lubrication system has the advantages that the box can be fixedly mounted on wheel carriers of trains when the circular dry lubrication system is used, the notch of the box directly faces the edges of the wheels of the trains, the lubrication blocks in the box can slide along the annular guide groove under the effect of the feeding mechanism and can be in contact with specified locations of rims of the trains, and constant pressures can be generated; the wheels rotate when the trains run, tangential friction is carried out between the wheels and the lubrication blocks, an extremely thin lubrication film can uniformly cover each rim under friction effects of the corresponding lubrication blocks and the rim, accordingly, wheel-rail friction coefficients can be lowered to a great extent, and abrasion of the wheels and the rails can be reduced.

The invention relates to an amino carboxylic acid type copper inhibitor-containing polypropylene composite material and a preparation method thereof. The polypropylene composite material is obtained by mixing 70-90% of polypropylene, 0.01-1% of an amino carboxylic acid type copper inhibitor, 0.1-10% of an inorganic filler, 0.1-0.5% of an antioxidant, 0.1-0.3% of an ultraviolet absorbent and 5-20% of a fire retardant. The method comprises the following steps: mixing above raw materials in proportion to form a mixture, extruding the mixture through a double screw extruder, cooling with water, drafting, and carrying out cutting granulation to granules. The copper inhibitor which is an amino carboxylic acid substance forms many chelated coordination structures with copper ions to generate a chelate having a high stability, and the chelate has the advantages of strong inhibition of the ageing catalysis capability of heavy metal ions, substantial copper harm resistance, good compatibility with resins, no migration, no pollution, water resistance, good oil extraction property, and no influences on the electric insulation performance or other performances of the resins.