131results about How to "Solve flammable" patented technology

The invention discloses a sandwich structure fiber plate. Flax fiber and polyester with low melting point are adopted as raw material. After two fibers with different proportion are mixed the mixture is combed into net and fire retardant is sprayed on the fiber net. Triple fiber nets are folded into the sandwich structure fiber plate, wherein components of upper and lower skin fiber nets are the same. The proportion of polyester with low melting point in the medium fiber net is small. Fiber net and decorative fabrics are pressed thermally together to fabricate the sandwich structure fiber plate. The invention is the no-harmful circumstance-protection fiber plate with good heat insulation, sound insulation and force performances. It is suitable for internal decorative plate of vehicle door especially.

The invention provides an all-solid-state polyelectrolyte film based on polyvinyl formal or its homolog and a preparation method thereof. Through stepwise reaction of polyvinyl formal or its homolog and boric acid, oxalic acid, and a lithium salt in an organic solvent system, the solid-state polyelectrolyte film with polyvinyl acetal as a main chain and a lithium mono(oxalato)borate structure grafted on a polymer molecular chain can be formed. With low cost and simple operation, the all-solid-state polyelectrolyte film prepared by the invention can realize large-scale production, and has ideal ionic conductivity, electrochemical stability window and mechanical properties. Therefore, the all-solid-state polyelectrolyte film can be used as all-solid-state electrolyte in polymer lithium ion batteries to improve the safety performance of the lithium ion batteries.

The invention relates to a hot-melt adhesive for the bonding layer of artificial leather and a preparation method as well as application thereof. The preparation method comprises the following steps of: firstly reacting low polymer polyalcohol, an expoxy resin and aromatic polyhydroxy special polyether with diisocyanate, then adding a hydrophilic chain extender and a micromolecule polyalcohol chain extender for carrying out chain extension reaction to obtain an intermediate product, neutralizing by using organic amine, emulsifying by using water to generate a polyurethane emulsion, finally removing an organic solvent at a reduced pressure to obtain a waterborne polyurethane emulsion, adding a special organic silicon surface active agent, a FeCl3 aqueous solution, a waterborne curing agent, natural rubber, chloroprene rubber, nitrile butadiene rubber and a thickening agent, and preparing the hot-melt adhesive for the bonding layer of artificial leather. The bonding layer of artificial leather is used for compositing spinning fabrics and PVC (Polyvinyl Chloride)/cloth in the fields of bags, suitcases and clothing. The prepared adhesive has the excellent performances of firm bonding strength, water resistance, acid resistance, alkali resistance and the like and is applied to the artificial leather fields of clothing, bags, suitcases and the like.

The invention discloses a non-combustible gel polymer electrolyte. The non-combustible gel polymer electrolyte is prepared by the steps: dissolving a vinyl phosphorus-containing compound, a vinyl compound and a lithium salt which are uniformly mixed into a plasticizer; and then adding an initiator, pouring into a mold, flattening or dropwise adding into a diaphragm assembled between a positive electrode and a negative electrode of a battery to infiltrate the diaphragm, and heating at the temperature of 50-80 DEG C for 3-24 h to polymerize the monomer in situ, and thus obtaining the non-combustible gel polymer electrolyte. The gel polymer electrolyte has relatively high phosphorus content, cannot be ignited when meeting open fire, and also has relatively high ionic conductivity, lithium iontransference number and electrochemical window at room temperature. When the electrolyte is applied to a lithium battery, side reaction caused by migration of a vinyl phosphorus-containing compound can be avoided, and damage to electrochemical performance can be reduced while incombustibility is achieved.

The invention discloses a novel self-thermal insulating energy-saving wall body material mainly made from iron tailings powder, as well as a preparation method of the wall body material, belonging to the technical field of the novel wall body material and building energy saving. The novel iron tailings powder self-thermal-insulating energy-saving wall body material is mainly prepared from the iron tailings powder in the presence of cement serving as a gelatinization material by using a foaming technology, straw cutting, super-light weight aggregate, an interface treatment technology and various admixtures. The wall body material has the beneficial effects that the requirement of saving 65% of energy in severe cold areas is reached without being adhered with a polystyrene board outside, a wall body and the thermal insulating function are formed at one time, effect of no self ignition is achieved, A-grade fire resistance requirement is reached, the inflammable problem of the current high-molecule outer wall thermal-insulating material is solved, and the service life of the wall body material is as long as the service life of a building. A great quantity of iron tailings powder is used for saving energy and utilizing waste and the industrial policy of national building energy saving and wall body innovation is met; and compared with the similar products, the wall body material has remarkable technological and economic advantages, can be widely used in the field of buildings and can generate enormous economic and social benefits.

The invention relates to a "pomegranate-type" fireproof thermal insulation plate. The "pomegranate-type" fireproof thermal insulation plate is a fireproof thermal insulation plate having a structure similar to pomegranate, and is prepared by subjecting each polystyrene particle monomer to composite treatment to form a structure of pomegranate seeds. The "pomegranate-type" fireproof thermal insulation plate comprises 40-80 parts by weight of expandable polystyrene particles, 20-60 parts by weight of an inorganic surface-covering packaging material, and 2-10 parts by weight of a fire retardant, wherein the inorganic surface-covering packaging material is one or more selected from silica sol, sodium silicate and potassium silicate. The organic thermal insulation material in the fireproof thermal insulation plate is isolated by the inorganic material, and cannot drop, and therefore the fireproof thermal insulation plate has good fireproof effects. The invention also relates to a preparation method of the fireproof thermal insulation plate and a composite thermal insulation plate comprising the fireproof thermal insulation plate. The fireproof thermal insulation plate can be used as building materials.

The invention discloses a self-heating floor and a manufacturing method thereof. The floor comprises a substrate, a surface layer, and a conductive heating sheet which is arranged between the substrate and the surface layer, wherein the conductive heating sheet comprises a glass fiber epoxy resin base layer, a conductive heating layer which is arranged on the upper surface of the glass fiber epoxy resin base layer, an upper flame-retardant protection layer which covers the upper surface of the glass fiber epoxy resin base layer and coats the conductive heating layer, and a lower flame-retardant protection layer which covers the lower surface of the glass fiber epoxy resin base layer; the upper flame-retardant protection layer is bonded on the lower surface of the surface layer; and the lower flame-retardant protection layer is bonded on the upper surface of the substrate. The conductive heating sheet can be prevented from being burned when heated to a higher temperature by arranging the flame-retardant protection layers so as to ensure the use safety of the floor. The upper flame-retardant protection layer and the lower flame-retardant protection layer can be made of a glass fiber cloth which is soaked by an epoxy resin. In the method for manufacturing the self-heating floor, the upper flame-retardant protection layer and the lower flame-retardant protection layer are bonded on the glass fiber epoxy resin base layer in vacuum under the pressure of 0.09MPa and 1 to 20MPa in turn so as to prevent the glass fiber epoxy resin base layer from foaming.

The invention relates to a flame-retardant coated-type polystyrene pre-expanded bead and its preparation method. The pre-expanded bead mainly comprises 40 to 80 parts of expandable polystyrene particles, 20 to 60 parts of an inorganic coating material and 2 to 10 parts of a flame retardant agent, wherein the inorganic coating material is one or more substance from silicon sol, sodium silicate and potassium silicate, the silica sol concentration is 20-60%, if the soluble silicate is used, the modulus can be 2-4, and concentration can be 10-50%. The flame-retardant coated-type polystyrene pre-expanded bead has the advantages of simple preparation process and low cost, and can well solve the problems that polystyrene foam materials are flammable and easy to drop.

The invention discloses to a chain way dividing wall type anoxia weak explosion drying, incineration and ablative pyrogenation device which comprises a heat generation system, a constant temperature space and a mechanical and electrical integration complete equipment of control system, wherein, the constant temperature space is a closed shell formed by vertical walls, an upper end cap and a low end cap, the average temperature in the constant temperature space is between 80 DEG C and 1000 DEG C, the shell a cylinder around which a heat-resistant thermal insulating layer is arranged; each chain way heat exchanger comprises a cable chain, a cable chain driving device and a dividing wall chamber; the raw materials pass through a up-chain way and a down-chain way taken as a moisture evaporation section, a pyrogenation gas evaporation section and a high temperature section to continuously finish the evaporation and the pyrogenation of the moisture as well as the pulverization and the drying or the incineration of the charcoal. The invention meets the requirements of drying and manufacturing combustible gas and charry or liquid fuel on the basis of the principles of the dividing wall, the radiation, the constant weak and general explosion of anoxic/anaerobic explosion water and ablation heat transfer principle. The invention has higher ability of heat and mass transfer, the volume of the system is greatly decreased, all the energy can be supplied by the raw materials, the treatment cost is greatly decreased, and the invention is particularly suitable for sludge minimization treatment in sewage treatment plants.

The present invention is a production method of vermiculite flame retardant medium density fiberboard, which includes selection of raw materials, preparation of surface layer, bottom layer and core layer, paving, pre-pressing, hot pressing, cooling, stacking, edge cutting, physical mechanics and combustion performance tests, etc. process steps. Advantages: due to the separate sizing of the surface layer, bottom layer and core layer materials, the amount of vermiculite added is based on the percentage of absolute dry fiber weight, the mechanical properties of the medium density fiberboard made by the present invention are better than the existing flame retardant and wood fiber Mechanical properties of medium density fiberboard made with mixed sizing. The results of the combustion performance test show that due to the addition of vermiculite accounting for 30-70% of the dry fiber weight in wood fibers, the heat release rate, total heat release, total smoke release, smoke yield and Mass loss rate, delayed ignition time. Tests have proved that with the increase of the amount of vermiculite added, the flame retardant performance of the product will increase. This product solves the problems of flammability and environmental protection, has low cost, and has both practical significance and promotion value.

The invention relates to a berberine abamectin aqua which is characterized in that abamectin and berberine plant extract are composed into the aqua, wherein, the content of the abamectin is 1mg/L to 2mg/L and the content of the berberine plant extract is 45mg/L to 55mg/L. The berberine abamectin aqua, by composing two kinds of pesticides with different mechanisms of action, not only can be favorable to solving the drug resistance of pests but also can improve the property of each drug, i.e. the content of the abamectin is greatly reduced, while the toxicity of the abamectin against the pests and the control of the berberine plant extract over the pests are improved; simultaneously, the aqua takes water as basic material, thus solving the problems of flammability and hazard caused by organic solvents and avoiding poisoning people and livestock and polluting environment.

This invention is an environment protection soft quality polyurethane foam plastic generation method; it belongs to precision chemical industry field. It mainly solves the environment protection problem of soft quality polyurethane foam plastic in generation process. Toluene diisocynate and low unsaturated degree polyether glycol do one-step reaction to generate the soft quality polyurethane foam plastic. The feature lies in that foaming agent is cyclopentane, main reactant is modifying polyether glycol and nitrogen gas is added during the generation. The soft quality polyurethane foam plastic generated by this method can solve ozone consumption problem, and the generation process is safe, product quality is good.

The invention provides a pumped vacuum system and a die casting method of a magnesium alloy vacuum high-pressure die casting mould. Castings are better produced under vacuum state in order to have higher quality and meet the requirement of high cutting-edge technology occasions, therefore the mould has to undergo vacuum high-pressure die casting in order to solve the problem of flammability of magnesium alloys and overcome the pore defect and improve the quality of the castings and the productivity of the finished product. The pumped vacuum system comprises a gating system, wherein the gating system is connected with a labyrinth system (2) by an exhaust duct (1) and comprises a pressure chamber (3); the pressure chamber is connected with a sprue (4) of the labyrinth system; the sprue is connected with a runner (5); the runner is connected with inner casting gates (6) which are connected with the exhaust duct; the inner casting gates comprise overflow systems (7); and the labyrinth system is connected with vacuum valves (8). The invention is used for magnesium alloy die casting.

The invention provides a manufacturing method for a crop straw building external wall heat insulation plate. The method includes the steps that wheat straw, rice straw, cotton stalks and other agricultural leftovers are used as the raw materials; the technological processes of chopping smashing, mixing opening, airflow laying, acupuncturing felt forming, gluing sizing and curing, inflaming retarding, corrosion and mildew preventing treating, dicing molding and the like are conducted; and finally the light and durable building external wall heat insulation plate with the inflaming retarding and sound insulating functions is manufactured. Development of green buildings of our country is facilitated, energy consumption of buildings is greatly lowered, and efficient and high-additive value recycling of crop straw is achieved.

The invention relates to superfine lignin and a preparation method thereof. The superfine lignin is lignin with granularity of 4000 to 10000 meshes. The preparation method comprises the following steps of feeding the lignin and a grinding additive, crushing by air flow, grading in a superfine way, returning back the coarse grains after grading to crush again, and collecting the product. The preparation method has the advantages that the grinding additive is added in the air flow crushing technology of the lignin, the grinding assisting effect is utilized, the superfine crushing of the lignin is realized, the crushing energy consumption is decreased, and the production efficiency is improved; because the crushing granularity of the grinding additive is smaller than the granularity of the lignin, the grinding additive is attached to the surface of the lignin to coat the lignin, and the good flame-retardant function is realized; by adopting the superfine lignin-filled plastic, foam and other materials, while the cost is reduced and the flame-retardant property is improved, the better mechanical property, heat stability and anti-ultraviolet aging property are realized, and the market requirements can be met.

The invention discloses a fiber-toughened wear-resistant cable material and a preparation method thereof. The material is characterized by being prepared from the following raw materials by weight: 90 to 100 parts of polyethylene, 10 to 15 parts of red phosphorus, 3 to 5 parts of paraffin, 0.5 to 1 part of a silane coupling agent kh570, 15 to 25 parts of nanometer calcium carbonate, 0.8 to 1.6 part of polyvinyl alcohol, 2 to 4 parts of copper powder, 5 to 8 parts of polystyrene resin, 1 to 3 parts of zinc borate, 5 to 10 parts of pentaerythritol stearamide, 2 to 3 parts of ethylenethiourea, 3 to 5 parts of glass fiber, 2 to 4 parts of oxidized polyethlene wax, 3 to 4 parts of reinforcing carbon black and a proper amount of absolute ethanol. According to the invention, the preparation method is simple; material sources are extensive; the prepared cable material has good comprehensive performances and long service life, and is worth popularization.

The invention relates to a matrine chlorpyrifos aqua which is characterized in that chlorpyrifos and matrine plant extract are composed into the aqua, wherein, the content of the chlorpyrifos is 1mg/L to 2mg/L and the content of the matrine plant extract is 2mg/L to 5mg/L. The matrine chlorpyrifos aqua, by composing two kinds of pesticides with different mechanisms of action, not only can be favorable to solving the drug resistance of pests but also can improve the property of each drug, i.e. the dosage of the chlorpyrifos is greatly reduced, while the toxicity of the chlorpyrifos against the pests and the control of the matrine plant extract over the pests are improved; simultaneously, the aqua takes water as basic material, thus solving the problems of flammability and hazard caused by organic solvents and avoiding poisoning people and livestock and polluting environment.

The invention opened a natural abluent whose batch formula includes furfur, the sodium alkyl benzene sulfonate, the soy bean powder, the surface active agent, the whitener and so on. The main material of the invention is the natural furfur, so it has no corrosivity. The decontamination ratio can reach above 97%, so it can be used for the service profession and the undurable goods.

The invention discloses a building energy-saving thermal insulation material, which is characterized being prepared from the following raw materials by weight: 15-25 parts of cement, 15-20 parts of blast furnace water granulated slag, 35-40 parts of volcanic ash, 5-8 parts of surface function modified porous hollow aluminum oxide nanofibers, 2-4 parts of rare earth fluoride hollow nano ions, 3-6 parts of Lambda-cyhalothric acid modified aminated beta-cyclodextrin and 1-3 parts of a coupling agent. The invention also discloses a preparation method of the building energy-saving thermal insulation material. The building energy-saving thermal insulation material disclosed by the invention is excellent in comprehensive performance, strong in thermal insulation property, good in aging resistance, weather resistance and flame retardance, excellent in performance stability and mechanical property, green and environment-friendly in use, high in durability, weather resistance, corrosion resistance, freeze thawing resistance and reliability, and wide in application range.

The invention discloses a medium-voltage fire-resistant power cable, which comprises a cable core, wherein the cable core is formed by twisting a plurality of wire cores; each wire core comprises a conductor, a shielding layer, an insulating layer and an insulating shielding layer; the shielding layers, insulating layers and the insulating shielding layer are arranged outside the corresponding conductors; each conductor is formed by twisting a plurality of copper core conductors; a thermal insulating layer is also arranged outside each insulating layer; one insulating shielding layer is arranged outside each thermal insulating layer; a metal shielding layer wraps the outside of each insulating shielding layer; a fire-resistant layer is arranged outside each metal shielding layer; the partsamong the plurality of wire cores are filled with fillers; a ceramic fiber tape, an adiabatic cooling layer, a steel tape firestop layer, an oxygen barrier layer, an inner sheath and an outer sheathwrap the outside of the cable core; and the outer sheath wraps the inner sheath through a lubricating layer. The medium-voltage fire-resistant power cable is simple in structure, and has good flame retardant property and fire resistance; the voltage level of the cable is improved on the basis of ensuring the flexibility and the large-length processing performance of the cable; and safe and reliable operation of a power system is ensured.

This invention discloses a gold-plating solution and gold-plating method. The method comprises: utilizing gold salt-containing room temperature ionic liquid as the gold-plating solution, gold as the anode, and material to be plated as the cathode, and performing DC electrolysis to reduce the cathode and obtain a shinning gold plating layer. The gold salt is Au (PPh3) Cl or Au (PPh3) Br; the room temperature ionic liquid is [bmim] BF4 or [bmim] PF6; the concentration of the gold salt in the ionic liquid is 0.005 mol/L to saturation concentration. The gold-plating solution does not contain hypertoxic cyanide, and has such advantages as high stability in air and water, no volatility, low flammability, and no harm to environment or operators.

The invention discloses a preparation method for building thermal insulation particles. The method comprises the following steps: firstly, weighing thermal insulation particles, dipping the thermal insulation particles in hydrofluoric acid solution, and filtering out the thermal insulation particles, secondly, dipping filtered matter in dodecyl sodium sulfate solution, and then filtering out the thermal insulation particles, thirdly, mixing and grinding aerogel and alumina silicate micro powder, fourthly, mixing the mixed powder in the third step into the filtered matter in the second step, and stirring and stirring the mixed powder and the filtered matter till the mixed powder completely packages the surface of the filtered matter, and fifthly, drying, so as to obtain the building thermal insulation particles. The method solves the problem that the conventional thermal insulation material is easy to burn, modifies traditional organic thermal insulation material, reduces the heat-transfer coefficient of the traditional organic thermal insulation material, and changes the combustion performance of the traditional organic thermal insulation material at the same time, so as to ensurethat the traditional organic thermal insulation material becomes incombustible thermal insulation material meeting the requirement of building thermal insulation material.

The invention discloses a flame-retardant waterborne polyurethane adhesive and a preparation method thereof, the flame-retardant waterborne polyurethane adhesive is composed of a main adhesive and a waterborne isocyanate curing agent, and the main adhesive and the waterborne isocyanate curing agent are cooperatively used according to a weight ratio of 100: 2-10, wherein the main adhesive is prepared from the following raw materials in parts by weight: 50 to 70 parts of a waterborne polyurethane dispersion, 30 to 50 parts of waterborne body flame-retardant acrylate, 0.1 to 0.5 part of a waterborne thickener, 1 to 3 parts of fumed silica, 0.1 to 0.5 part of a coupling agent, 0.1 to 0.5 part of a wetting agent, 0.1 to 0.5 part of a neutralizer and 0.1 to 0.5 part of a defoaming agent. The adhesive is environmentally friendly, non-toxic, low in VOC, low in odor and excellent in bonding strength, the flame retardant capacity of the adhesive after film formation is remarkably improved, and the adhesive can be widely applied to the fields of automobiles, high-speed rails, furniture, shoemaking, textiles and the like.

The invention provides an inorganic flame-retardant intelligent temperature regulation cellulose fiber. For the fiber, the melting enthalpy value is 24-25 J/g, the melting temperature is 29-33 DEG C,the crystallization enthalpy value is 22.5-23.0 J/g, and the crystallization temperature is 18-21 DEG C. The invention also provides a preparation method of the fiber. In the phase-change temperatureregulation cellulose fiber prepared by the method, the content of phase-change material microcapsules is 10.4-10.6%; the limiting oxygen index of the inorganic flame-retardant temperature regulation fiber prepared by the method reaches 35% or above, and the flame retardancy is excellent.