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 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 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 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 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.

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.