35results about How to "Add flame retardant function" patented technology

The invention discloses a high-waterproof high-moisture-permeable flame-retardant coating fabric and a production method thereof. The fabric comprises base cloth and a high-waterproof high-moisture-permeable flame-retardant coating, wherein high-waterproof high-moisture-permeable flame-retardant is a polyurethane non-porous layer, and the flame retardant used in the coating layer is a halogen free particle flame retardant. The production method comprises the following steps of: uniformly spreading fabric coating slurry which is prepared by mixing hydrophilic polyurethane resin, an organic solvent, an additive and the flame retardant on the base cloth; and drying the base cloth to obtain the high-waterproof high-moisture-permeable flame-retardant coating product with the hydrophilic polyurethane non-porous layer. The coating fabric of the invention has high waterproofness and moisture-permeability and extremely high flame resistance. The coating fabric is used on particular occasions when high requirements on waterproofness, and moisture-permeability and fire resistance are required, can be used for preparing protective garments and the fabrics of protective equipment of departments such as fire control, metallurgy, petroleum and national defense, the fabrics of tents and the like, and therefore has greater economic and social benefits.

The invention discloses high-strength flame-retardant jean and a production process and uses thereof. The high-strength flame-retardant jean comprises wefts of aramid fiber, and the aramid fiber has the good properties such as superhigh strength, high modulus, high temperature resistance, acid-base resistance, light weight, insulation, ageing resistance and long life. Through the use of the aramid fiber for the wefts of the jean, the jean can be higher in strength and wear resistance, the jean can be flame retardant, and the application range of the jean is widened. Warp-wise breaking strength of the high-strength flame-retardant jean is 1.4 times as high as that in common jean, and weft-wise breaking strength is up to 7 times as high as that in common jean; warp-wise tearing strength of the high-strength flame-retardant jean is 1.5 times as high as that of the common jean, and the weft-wise tearing strength is 4 times as high as that of the common jean; the high-strength flame-retardant jean is twice as wear resistant as the common jean; accordingly, the high-strength flame-retardant jean is available for both casual clothes and some industrial fields, and is also available for protective work suits used in places of electrowelding, automobile racing and the like. The jean can be still fashionable in various fields.

The invention relates to a furniture panel, particularly to functional reconstituted lumber. A manufacturing technology of the functional reconstituted lumber comprises the steps of preparing blank veneers through rotary cutting or slicing, and shearing the blank veneers into a required size, so as to obtain A veneers; soaking the A veneers in a ternary compound solution composed of a biomass nanocellulose solubilizer, a fire retardant and an acid dye for toughening, inflaming retarding and dyeing treatment, so as to obtain B veneers; adding a formaldehyde decomposition powder into a modified MUF adhesive, uniformly stirring, and dispensing on the B veneers, so as to obtain C veneers; assembling the C veneers, and carrying out cold pressing treatment, so as to obtain D square lumber; and carrying out compound hot pressing on the D square lumber with a transparent abrasion-resistant surface film adhesive paper layer, wherein the transparent abrasion-resistant surface film adhesive paper layer is a film adhesive paper layer formed through soaking transparent abrasion-resistant surface paper in an amino-formaldehyde resin adhesive solution containing tourmaline powder and Al2O3; the particle size of tourmaline negative ion powder is 500 meshes or above; and the count capacity of negative ions in the Giger. Miller zone is 3000 ions/cc or above. According to the functional reconstituted lumber, the effect that the lumber has multiple functions in a reconstituted decorative lumber manufacturing technology is achieved.

The invention discloses a flame-retardant ecological board and a manufacturing method thereof. The flame-retardant ecological board comprises a board core, short cores, impregnated balance paper and surface layer decoration impregnated paper, the short cores are arranged on the two sides of the board core in a compounded mode, the short cores and the board core are integrally subjected to cold andhot laminating so as to form a substrate layer, the impregnated ecological paper is compounded on the upper surface and the lower surface of the substrate layer, the surface layer decoration impregnated paper is compounded on the upper surface and the lower surface of the impregnated ecological paper, and the substrate layer, the impregnated ecological paper and the surface layer decoration impregnated paper are subjected to double-sided compounding and hot-pressing integrated forming. The flame-retardant ecological board and the manufacturing method thereof have the beneficial effects that the short cores are subjected to impregnation treatment of an impregnant, so that the short cores achieves the inflame-retardant function, the substrate layer formed by bonding the short cores with theflame-retardant function and the board core also has the flame-retardant function, one board connected to a decoration layer is replaced by kraft paper or the balance paper which is impregnated withamino resin with certain flame-retardant function, and therefore the flame retardancy of the board can be improved, and meanwhile, the crack resistance of the surface of the ecological board can alsobe improved.

The invention provides a preparation method for a chitosan tetramethylene phosphonium sulphate flame retardant. The preparation method comprises the following steps: performing electrostatic adsorption on tetrakis hydroxymethyl phosphonium sulphate and chitosan in water to obtain a tetrakis hydroxymethyl phosphonium sulphate/chitosan compound; performing dehydration covalent graft reaction on thetetrakis hydroxymethyl phosphonium sulphate/chitosan compound to obtain the chitosan tetramethylene phosphonium sulphate flame retardant. The chitosan tetramethylene phosphonium sulphate flame retardant prepared by the method provided by the invention does not contain halogen, has an antibacterial effect, and is non-toxic, degradable, green and environmentally friendly; the flame retardant is highin molecular weight, keeps linearity, does not have volatility, and has water washing resistance, migration resistance, good compatibility, high stability and good flame retarding effect.

The invention relates to a novel environment-friendly composite reinforced polypropylene building template, belonging to the technical field of building template preparation. By virtue of the interaction between fine powder of waste tires and polypropylene-styrene dibromide graft copolymer and aluminum hydroxide/polypropylene, the bonding force among the components is increased, the reinforced plastic polypropylene building template is subjected to physical blending and chemical modification, so that not only the overall properties of the reinforced plastic polypropylene building template areimproved and the flame retardant function of the reinforced plastic polypropylene building template is enhanced, but also a new field of recycling waste tires is opened. Through the composite reinforced polypropylene building template provided by the invention, the problems that the strength and rigidity of the existing composite plastic building template cannot meet the construction requirements, the thermal expansion and cold contraction coefficient is large and the electric welding dregs are likely to scald a face plate are solved, and a large amount of natural rubber and petroleum resources are saved. The composite reinforced polypropylene building template has the advantages of high strength, good flame retardant effect, easily-accessible raw materials and simplicity in production, and can be widely used as the construction template in construction engineering, hydroelectric structures, irregular design of bridges and tunnels and the like.

The invention relates to a furniture plate and in particular to a preparation method of a engineered wood. The preparation method comprises the following steps: rotary cutting or slicing to prepare a blank veneer, and shearing the blank veneer into a needed size to obtain an A veneer; soaking the A veneer in a ternary compound solution prepared from a biomass nano cellulose solubilizer, a flame retardant and acid dyes of a bis-azo compound, and carrying out treatments including toughening, flame retarding and dyeing to obtain a B veneer; adding a formaldehyde decomposition powder in a modified MUF adhesive, uniformly stirring, and carrying out dispensing on the B veneer to obtain a C veneer; and carrying out cold pressing treatment on a C veneer assembly to prepare a D batten, and then sawing the D batten into the needed patterns and sizes to obtain a finished product. With the interface controlling design, the biomass nanotechnology and the synergistic compounding technology, the preparation method effectively solves the diversified matching problem of the flame retardant, a staining reagent and the adhesive, and realizes one material with multiple functions of the reconstituted decorative lumber manufacturing technology.

The invention discloses a power cable for a new energy vehicle. The power cable for a new energy vehicle includes a cable core, wherein the cable core comprises four square rubber skeletons each of which has a square cross section; the each square rubber skeleton is double-layered, and a cavity is formed between the inner side and the outer layer; the centers of four surfaces of the each square rubber skeleton are bent inward; a plurality of cores 1 are arranged in the cavity of the each square rubber skeleton, and each corner in the cavity is provided with a polyurethane elastic rod; a core 2is arranged at the center of each square rubber skeleton; the four square rubber skeletons are spliced into a square cable core; and three layers of galvanized steel tape armor layer, a nano siliconwaterproof rubber filling layer, a Kevlar fiber braid layer and a halogen-free low smoke flame retardation polyolefin oversheath are sequentially coated on the outer side of the cable core. The powercable for a new energy vehicle combines four square skeletons, and each square skeleton has a double-layer structure, and the cores are arranged inside the skeletons to make the structure tidier, andthe cable can be compression resistant and tension resistant.

The invention discloses an insulating material for cable sealing and a preparation method thereof, and relates to the technical field of adhesives. The preparation method of the insulation sealing material comprises the following steps: S1, mixing castor oil polyoxyethylene ether and polypropylene oxide glycol in parts by weight to obtain a product M; s2, uniformly mixing and stirring the product M and a component B to obtain a mixture N; S3, weighing micron-sized barium sulfate, oleylamine polyoxyethylene ether, nano-sized silicon dioxide, fibrous calcium carbonate whiskers, isophenylpropyl phenyl phosphate, antimony trioxide, triaryl phosphate, a silane coupling agent and epicatechin in parts by weight, and conducting mixing to obtain a mixture Q; and S4, uniformly mixing and stirring the mixture N and the mixture Q to obtain the insulating sealing material. The insulating material prepared by the preparation method disclosed by the invention has excellent insulating property, can keep good heat-conducting property, and is high in curing speed, outstanding in bonding strength, good in sealing property and excellent in flame-retardant effect; and the anti-aging capability is enhanced, and the service life is long.

The invention relates to a composite flame retardant and a preparation method. The composite flame retardant is formed by coating graphene with aluminum hydroxide. Aluminum hydroxide is uniformly dispersed to the surface of graphene so as to form an aluminum hydroxide-graphene composite flame retardant with a relatively good coating layer, aluminum hydroxide is decomposed into water and aluminum oxide when a material is combusted, aluminum oxide generated by the decomposition of aluminum hydroxide uniformly covers the surface of graphene so as to form a compact structure, and aluminum oxide and a carbon layer cover the surface of a polyolefin material to generate synergetic flame retardance effect so as to realize thermal insulation and oxygen isolation, so that the flame retardance of thepolyolefin material is improved.

The invention discloses a building reinforcing epoxy adhesive and a preparation method thereof, and belongs to the field of building adhesives, and the building reinforcing epoxy adhesive comprises the following components by weight: 50-70 parts of epoxy resin; 5-10 parts of a curing agent; 1-5 parts of an accelerant; 8-15 parts of a diluent; 2-8 parts of aluminum hydroxide; 1-4 parts of filler. Aluminum hydroxide which is slow, durable and strong in acid resistance and has convergence and mucous membrane protection effects is added to be combined with other added raw materials, the prepared adhesive is high in strength and toughness, meanwhile, the flame-retardant function is added to the adhesive, the reaction of the adhesive can be promoted by adding ethyl acetate with solubility and quick-drying performance, and the adhesive has a good application prospect. According to the preparation method, the reaction speed of the adhesive is increased, and then the adhesive can be diluted byadding butanol which can be mixed and dissolved with various organic solvents, so that the concentration of the adhesive is reduced, the functions of the adhesive are increased, and the practicabilityof the adhesive is enhanced.

The invention provides a production process of a fireproof fabric. The production process comprises the following steps: S1, preparing a base fabric: weaving aramid fiber serving as warp yarns and polyester fiber serving as weft yarns through a weaving machine to form the base fabric; S2, performing fireproof treatment: immersing the base fabric in a flame retardant for fabric, which is a mixed agent of liquid ammonium polyphosphate and colloid at an immersion temperature of 25 to 28 DEG C for immersion time of 4 to 6 h, wherein the mass fractions are as follows: 75 to 80 parts of the colloidand 70 to 75 parts of the ammonium polyphosphate; S3, performing sizing: baking the fabric at an internal pressure of 0.8 bar, external pressure of 1.2 bar and temperature of 130 to 150 DEG C for 1 to2 min; S4, performing dyeing: putting the dye into a dyeing tank, dyeing the fabric at 80 to 100 DEG C for 15 to 20 min, and then dyeing the fabric at 100 to 120 DEG C for 30 to 40 min; S5, drying: placing the fabric at a room temperature, washing the fabric with clean water for 10 min, standing internal pressure of 0.8 bar, external pressure of 1.2 bar and temperature of 110 to 130 DEG C for 2 to 3 min, and drying the fabric. The process disclosed by the invention is simple and high in flame retarding and heat insulating performance.

The invention belongs to the technical field of wood processing, and relates to a manufacturing method of a density fiberboard for an E0-level electronic circuit base plate. A secondary gluing technology is adopted, and the manufacturing method comprises the steps that wood peeling, chipping, wood chip screening, washing, pre-cooking, cooking and hot grinding are carried out; adding of waterproofagent and adjusting and applying of an E0-level damp-proof adhesive are carried out; and adding of an auxiliary, drying and sorting, adjusting and applying of an E0-level high-solid-content adhesive,adding of a fire retardant, paving and forming, pre-pressing, hot pressing, turning plate cooling, sanding, inspection and dividing and packaging and warehousing are carried out. The adhesive is addedtwice, so that the pre-curing influence is reduced, the adhesive bonding effect and full wrapping can be brought into full play, and meanwhile energy consumption of a heat energy center is reduced. The produced fiberboard for the E0-level electronic circuit base plate overcomes the defects that the fiberboard is prone to damp deformation and aging, and the hardness is not enough, the service cycle is prolonged, the fire retardant function is added, the combustion risk caused by too high local temperature in the electronic circuit base plate using process is effectively avoided, and the application field of the fiberboard is further expanded.

The invention discloses an antibacterial rat-proof and termite-proof magnetic polyethylene material and a preparation method thereof. The antibacterial rat-proof and termite-proof magnetic polyethylene material has the following advantages: 1, the material has a magnetic function, a conductive function, a rat-proof and termite-proof function and a signal interference shielding function, and achieves a multi-functional effect obtained by replacing a metal material with a high polymer material; 2, the material has a long-acting rat and termite prevention effect, can resist various viruses and bacteria, and is highly flame-retardant; 3, the raw materials are low in cost and wide in market source, and the purpose of reducing the purchase cost is achieved; and 4, the process is intelligent and simple, and manufacturing is more efficient.

A method for preparing hybridized p-xylene comprises the steps of: mixing a fluorosulfonic acid solution and a fluorophosphoric acid solution with magnesium aluminate spinel, aluminum hydroxide whiskers and magnesium zinc spinel, performing a hydrothermal reaction, grinding, filtering, calcining, washing and drying to obtain a flame retardant hybridizer; mixing p-xylene, acetic acid, sodium hypophosphite, o-xylene, an ethylamine cosolvent, a potassium hydrogen phosphate dispersion, and the obtained flame retardant hybridizer, grinding, filtering and dispersing to obtain a hybridized p-xylene mother liquor; adding the obtained hybridized p-xylene mother liquor in a form of spraying into the p-xylene to prepare the hybridied p-xylene. The product prepared by the method has an excellent flameretardant function.