47results about How to "Isolate the spread" patented technology

The invention discloses a composite architectural heat-insulation coating and a preparation method thereof. The composite architectural heat-insulation coating is formed by mixing the following ingredients by mass: 25 to 40 parts of water, 0.3 to 0.9 part of a thickening agent, 0.1 to 0.3 part of a multifunctional additive, 0.3 to 1.2 parts of an ageing resistant additive, 0.2 to 0.5 part of a wetting agent, 0.5 to 2.0 parts of a dispersing agent, 0.4 to 1.3 parts of a mold inhibitor, 0.2 to 0.5 part of an antifoaming agent, 2 to 5 parts of a film-forming additive, 8 to 20 parts of a pigment, 6 to 13 parts of a heat-insulation functional additive formed by mixing two or three of phase change microcapsules, hollow glass microspheres and polymeric microspheres, and 38 to 52 parts of an emulsion. The composite architectural heat-insulation coating is favorable in appearance, excellent in storage stability, equal to or lower than 1.06 g / cm<3> in density, equal to or lower than 0.065 W / (m.k) in heat conductivity, larger than 10 DEG C in heat-insulation temperature difference, favorable in washability and brushability, and excellent in heat-insulation effect.

The invention discloses a water-resistant flame-retardant polyurethane adhesive. The polyurethane adhesive contains the following raw materials in parts by weight: 30-50 parts of polyester polyol, 10-35 parts of fluorine-containing polyether diol, 5-28 parts of diferrocenyl alcohol, 40-60 parts of diphenylmethane-4,4'-diisocyanate, 2-10 parts of 3,3'-dichloro-4,4'-diaminodiphenyl methane, 0.2-0.8 part of a catalyst, 3-15 parts of a chain extender, 2-8 parts of melamine, 1-5 parts of chitosan, 3-15 parts of calcium alginate fibers, 1-5 parts of polyimide, 1-5 parts of amino silicon oil, 2-8 parts of epoxy resin, 2-10 parts of aldehyde ketone resin, 2-10 parts of attapulgite and 100-150 parts of a solvent. The water-resistant flame-retardant polyurethane adhesive provided by the invention has excellent water resistance and flame retardance, is high in curing speed and has high bonding strength with a substrate.

The invention discloses a combustion and explosion suppression system with automatic water curtain, comprising a sensor, a control unit, a water supplying device, a water curtain device and a fast triggering device, the sensor is electrically connected with the control unit, a connecting channel is arranged on the fast triggering device, two ends of the connecting channel are respectively communicated with the water supplying device and the water curtain device; a movable opening device is arranged on the connecting channel and is electrically connected with the control device; the water curtain device comprises at least one water curtain ring, a plurality of injection heads are uniformly arranged on the water curtain ring, and an injection water curtain is formed when in water-spraying, and a plurality of water curtain rings form one water curtain band when in water-spraying, so as to realize to suppress gas or gas dust explosion and spreading by adopting water mist in a coal mine, the reaction speed is rapid, the structure is compact and the manufacturing cost is low, thereby having good combustion an explosion suppression effect, being widely applied to industries such as coal mines, petroleum and chemical industry and powerfully promoting the development of explosion insulation (suppression) in our country.

The invention relates to a garbage can for intelligently sorting medical waste and a sorting method thereof, and belongs to the technical field of auxiliary sorting and recognition. The garbage can comprises a box body assembly, a box cover assembly, an image recognition system and a power supply module, wherein the box body assembly comprises a box body housing and a plurality of built-in garbagecans, the box cover assembly comprises a connecting cover, a central motor and an inner rotating bucket, the image recognition system comprises a camera, an information storage module, an informationprocessor and a human-computer interaction module, the box cover assembly is located above the box body housing, the connecting cover is used for fixing the inner rotating bucket, the central motor and the image recognition system, and the power supply module is connected with power supplies of all devices to which power needs to be supplied in the garbage can for intelligently sorting medical waste. The garbage can for intelligently sorting medical waste has the function of automatically identifying and sorting the medical waste by a machine, the use is convenient, and the sorting accuracy of the medical waste is increased; in addition, according to the garbage can for intelligently sorting medical waste, the number of garbage inlets is reduced, so that the condition of environmental pollution caused by the exposure of the medical waste is avoided, and the effects of cleanness and sanitation are achieved.

The invention discloses a flame-retardant heat-resistant polyurethane adhesive. The flame-retardant heat-resistant polyurethane adhesive comprises the following raw materials in parts by weight: 45-70 parts of poly(1,4-butylene adipate), 10-35 parts of poly(1,5-glutaryl carbonate)diol, 8-15 parts of biferrocenyl alcohol, 50-70 parts of isophorone diisocyanate, 2-10 parts of sucrose, 3-15 parts of a chain extender, 3-12 parts of 1-aminoethylidene-1,1-diphosphonic acid, 1-8 parts of calcium alginate fiber, 2-8 parts of walnut shell powder, 1-5 parts of polyimide, 1-5 parts of amino silicone oil, 2-5 parts of epoxy resin, 2-10 parts of aldehyde ketone resin, 3-9 parts of attapulgite, 3-15 parts of nano alumina, 2-10 parts of 1,2-dimethylol carborane, 30-80 parts of a solvent, and 0.1-0.8 part of an antioxidant. The flame-retardant heat-resistant polyurethane adhesive provided by the invention has excellent heat resistance and flame retardancy, high curing speed and high adhesive strength with a substrate.

The invention discloses a thermal safety control battery module structure, which comprises a battery module shell and at least two single batteries located in the battery module shell, wherein a partition plate of a honeycomb structure and a fireproof plastic net are arranged between every two adjacent single batteries, the battery module shell comprises an upper cover plate, a bottom plate, two first side plates and two second side plates, and heat dissipation grooves are formed in the inner sides of the bottom plate, the upper cover plate and the first side plates. According to the invention, six degrees of freedom of the whole single battery group in space are limited, the tensioning is effective, and the structure is compact; due to the arrangement of the partition plates with the honeycomb structure, the transmission of heat between the single batteries is isolated, and an efficient heat dissipation effect is achieved; according to an indentation structure of the upper cover plate, directional explosion spraying during thermal runaway of the battery module can be realized by setting indentation opening pressure, so that rapid pressure relief is realized, and the hazard of explosion is effectively reduced.

The invention belongs to the technical field of mobile rooms, and particularly relates to a mobile room with high safety. The mobile room is provided aiming at the problem that a mobile room is not provided with an alarming detection device when a steel structure is pressed and is about to be deformed. The mobile room comprises a base, rectangular frames are welded to the portion, close to the twoends, of the upper surface of the base, beam supporting rods are welded to four corners of the two rectangular frames, a side plate is fixed between every two adjacent beam supporting rods through bolts, four groove-shaped slide rails are welded to every two opposite side plates perpendicular to the base, and rectangular slide blocks are slidably connected to slide grooves of every four groove-shaped slide rails. By means of the mobile room, the pressure of the outside can be effectively resisted; meanwhile, when the supporting rods are stressed and are about to be deformed, the situation canbe timely detected through a stress detector and timely fed back to a control side and an alarming device, and people can be timely informed to escape or save themselves.

The invention relates to the technical field of preparation of polyurethane synthetic leather and in particular relates to a preparation method of flame-retarding type polyurethane synthetic leather.The polyurethane synthetic leather with high strength and strong flame-retarding performance is prepared by taking a woven fabric as a substrate, and polyurethane resin, modified self-made magnesium-aluminum hydrotalcite powder and self-made silica sol as a reinforcing agent, and adding with red phosphorus, calcium carbonate and the like; firstly, the self-made magnesium-aluminum hydrotalcite is prepared through a salt-alkali co-precipitation method; the self-made magnesium-aluminum hydrotalcite is subjected to surface modification by utilizing sodium tripolyphosphate; P3O10<5-> and magnesiumions and aluminum ions in the self-made magnesium-aluminum hydrotalcite are subjected to coordinating bonding reaction, so that one layer of protection film is formed; the self-made magnesium-aluminumhydrotalcite is adopted so that the surface temperature of the substrate is reduced and a flame-retarding effect is realized; the red phosphorus can react with an ester group in polyurethane at hightemperature, so that thermal cracking and volatilization of a polymer is reduced and oxygen and heat are isolated; furthermore, the strength and the flame-retarding performance of the polyurethane synthetic leather is improved, and the polyurethane synthetic leather has a wide application prospect.

The invention relates to the technical field of a motor and discloses a novel noise-reduction and easy-heat-dissipation motor, which comprises a base. The top of the base is fixedly equipped with a housing. The housing is internally and fixedly equipped with an isolation ring. The isolation ring is internally and fixedly equipped with a separator plate, one end of which is fixedly connected with the base. The inner left side of the housing is fixedly equipped with a fixation ring. The fixation ring is internally and fixedly equipped with a first bearing. The first bearing is internally and fixedly equipped with a rotating shaft. The novel noise-reduction and easy-heat-dissipation motor has the advantages of good heat dissipation effect and noise reduction and the like, and solves two majorproblems of existing motors caused in the use process: one problem is that the motor produces noise in the motor rotation process, and the other problem is that the motor produces a lot of heat in the use process, and although air cooling can effectively solve the problem of heat dissipation of the motor, dusts can easily get into the motor, which accelerates the wear rate of internal componentsof the motor.

The invention discloses medical self-service terminal equipment which comprises a medical self-service terminal main body. An operation panel is arranged at the top of the medical self-service terminal main body, a mounting cabinet is arranged at the bottom of the medical self-service terminal main body, and lifting guide grooves are fixedly connected to the two sides of the operation panel. And acleaning box is arranged on the outer side of the operation panel, the two ends of the cleaning box are fixedly connected with two side protruding plates correspondingly, and the side protruding plates at the two ends of the cleaning box are slidably connected into the two lifting guide grooves correspondingly. According to the invention, after the equipment is used every time, a stepping motor is controlled to drive the cleaning box to ascend and descend for one time, disinfectant is sprayed out for disinfection, and after the cleaning box reaches the top, the stepping motor can be controlled to drive the cleaning box to descend for wiping so that the use safety and convenience of the medical self-service terminal main body are greatly improved.

The invention relates to a preparation method of a mining reinforcement material, and belongs to the technical field of mining materials. The preparation method of the mining reinforcement material ischaracterized in that based on the flame retardance characteristic of ammonium polyphosphate, with diatomite as a carrier, a double-component ammonium polyphosphate-diatomite inorganic composite flame-retardant filler is prepared by an in-situ polymerization method, and an ammonium polyphosphate-diatomite / synergist composite flame-retardant filler is designed on the basis of the double-componentcomposite flame-retardant filler with magnesium hydroxide the synergist; with good smoke absorbing effect of the diatomite with high specific surface area and based on the special layered structure and composition and also flame retarding, smoke suppressing and acid resisting functions of magnesium hydroxide, the prepared mining reinforcement material is allowed to have good flame retarding and smoke suppressing properties; cellular glass cloth is used as a reinforcing agent for the mining reinforcement material, so that the strength of the mining reinforcement material is effectively improved; and according to the invention, a synergistic effect between two flame-retardant elements silicon and phosphorus causes a decrease in the number of brittle amorphous carbon layers generated and an improvement in the flame retardance of the mining reinforcement material.

The invention discloses a halogen-free expansion type flame-retardant polycarbonate composition and a preparation method thereof and belongs to the technical field of macromolecule modification. The formula of the composition comprises the following raw materials: 100 parts of polycarbonate resin, 0.01-30 parts of a halogen-free expansion type flame retardant, 0.1-1 part of an anti-drop agent, 0.2-2 parts of an antioxidant and 0.01-10 parts of other aids. By adopting the composition, the situation that the environment and human bodies are damaged by a halogen flame retardants in polycarbonateis overcome, due to adoption of a synergistic flame retardancy effect of phosphorus-nitrogen-silicon in a phosphonitrile derivative, the flame retardancy of the polycarbonate is improved, that is, upto VL-94V-0, and good flame retardant effect is achieved with a small amount of a phosphonitrile derivative flame retardant, and the production cost is greatly reduced.

The invention relates to an elevator control method and system. According to the elevator control method and system, an elevator taking behavior mode of a user is deeply mined and analyzed through bigdata algorithms including a traditional algorithm SVM, a neural network, deep learning, a transformer prediction model, logistic regression and other time sequence regression models, then the numberof target floors of the user is predicted, and a contactless and flexible user taking manner is achieved.

The invention discloses an agricultural tractor chimney denoising device. The device comprises a denoising pipe, wherein one end of the denoising pipe is in threaded connection with an inlet pipe, theother end of the denoising pipe is connected with an outlet pipe, the inner wall of the denoising pipe is fixedly connected with a layer of silencing wall, the surface of the silencing wall is uneven, and a silencing porous plate perpendicular to the pipe axis direction is mounted in the denoising pipe. The device is provided with the silencing porous plate, and the purpose of silencing is achieved by utilizing conical through holes on the silencing plate, wherein the conical through holes are similar to a honeycomb structure, and the different distances of the noise in contact with the conical through holes, the reflection distance and the reflection path achieve the purpose of silencing; and meanwhile, the silencing wall is adopted, so that the noise is isolated through the thickness ofthe silencing wall, the noise is reflected through the uneven surface on the silencing wall, and the purpose of noise cancellation is achieved.

The invention relates to infrared and radar compatible stealth window glass with sound insulation and heat insulation functions, which comprises outer-layer glass and inner-layer glass, wherein a vacuum layer is arranged between the outer-layer glass and the inner-layer glass, a microwave frequency selective surface structure array is arranged on the outer surface of the outer-layer glass, a microwave resonance absorption structure array is arranged on the inner surface of the outer-layer glass, and an electromagnetic reflecting film is arranged on the inner surface of the inner-layer glass. The window glass integrates a transparent supporting structure and a compatible stealth function, wide-spectrum efficient microwave absorption and low infrared emissivity can be achieved on the basis of the window glass, the microwave absorption range can cover 5-20 GHz, and the absorption efficiency is greater than 0.9. The infrared emissivity of the surface of the glass can be as low as 0.23, and the thermal radiation quantity of a target can be remarkably reduced, so that the probability of being detected is reduced. In addition, the visible light transmittance of the window glass is 60% or above. Meanwhile, based on the vacuum spacing layer in the structure, the window glass has sound insulation, noise reduction and heat insulation capacities.

The scrubber comprises a main body, a waste water tank and a mounting frame, a noise reduction structure is arranged on the inner side wall of the main body, the waste water tank is arranged in the main body, a dismounting structure is arranged between the main body and the waste water tank, and the bottom ends of clamping blocks are fixed to the top end of a brush disc. Fixing rings are arranged on the outer side walls of the clamping blocks, rolling wheels are installed at the two ends of the other side of the bottom end of the main body, a water absorption strip is installed at the bottom end of the other side of the main body, and a push rod is fixed to the top end of the other side of the main body. The installation structure is arranged between the installation frame and the brush disc, the clamping blocks on the brush disc are sequentially aligned with the clamping grooves in the installation frame to be clamped into the clamping grooves in the installation frame, then the fixing rings are sequentially rotated, and the brush disc can be installed below the fixing frame through threaded connection, so that simplicity and convenience are achieved; and the brush disc can be taken down by reversely rotating the fixing ring again to be separated from the clamping groove, so that the practicability is greatly improved.

An automatic explosion-proof water curtain device for mines with the function of dust suppression according to the present invention comprises rotating shafts arranged sequentially from the inside to the outside, the inner pipe and the outer pipe can be rotated, the rotating shaft and the inner pipe are welded and connected by welding pieces, and the outer pipe Set on the outside of the inner tube; the surface of the inner tube is provided with an atomizing nozzle and a water curtain opening, the atomizing nozzle is located on the side wall of the inner tube, and the water curtain opening is located on the upper part of the inner tube; the outer tube includes a liquid outlet, a waterproof sealing cover and a pressure The water supply pipe, the liquid outlet is arranged on the side wall of the outer pipe, and is arranged in cooperation with the atomizing nozzle of the inner pipe. The pressure water supply pipe and the waterproof sealing cover are respectively arranged at both ends of the outer pipe, and the rotating shaft is set through the waterproof sealing cover. Hit the panel, and the waterproof sealing cover is provided with a limiting part to realize the limited rotation of the rotating shaft. The device can greatly reduce the cost of installation and maintenance of the two types of equipment, and reduce the potential safety hazards caused by the failure to store water in the explosion-proof water bag in time. When the explosion occurs, the water curtain will be released automatically to isolate the explosion flame, control the scope of the disaster and reduce the disaster loss. .

The invention relates to the technical field of a motor and discloses a novel noise-reduction and easy-heat-dissipation motor, which comprises a base. The top of the base is fixedly equipped with a housing. The housing is internally and fixedly equipped with an isolation ring. The isolation ring is internally and fixedly equipped with a separator plate, one end of which is fixedly connected with the base. The inner left side of the housing is fixedly equipped with a fixation ring. The fixation ring is internally and fixedly equipped with a first bearing. The first bearing is internally and fixedly equipped with a rotating shaft. The novel noise-reduction and easy-heat-dissipation motor has the advantages of good heat dissipation effect and noise reduction and the like, and solves two majorproblems of existing motors caused in the use process: one problem is that the motor produces noise in the motor rotation process, and the other problem is that the motor produces a lot of heat in the use process, and although air cooling can effectively solve the problem of heat dissipation of the motor, dusts can easily get into the motor, which accelerates the wear rate of internal componentsof the motor.

The invention relates to the technical field of underground protective engineering, and discloses a smoke removing, wave absorbing and flame retarding device which comprises an outer box, an inner box, a smoke inlet pipe, a fixed plate and a movable plate. The inner box is arranged in the outer box, one end of the smoke inlet pipe is located on the outer side of the outer box, the other end of the smoke inlet pipe penetrates through the side wall of the outer box to be communicated with the inner box, the fixed plate is connected with an opening in the bottom end of the inner box and extends towards the inner wall of the outer box, a gap is formed between the fixed plate and the bottom of the outer box, and the movable plate is arranged above the fixed plate in a floating mode and provided with a plurality of first air holes. A plurality of first air holes are formed in the outer box, a plurality of second air holes are formed in the movable plate, and the first air holes and the second air holes are staggered, so that when the movable plate sinks to be in contact with the fixed plate, the first air holes and the second air holes shield and seal fluid flow in the outer box, dust removal liquid is arranged in the outer box and the inner box, and a smoke outlet is formed in the outer box. The invention further discloses a power station with the power station, and the power station has the beneficial effects that the damage such as low-pressure quick combustion (detonation) and expansion while blasting is effectively defended.

The invention discloses a portable notebook computer vibration-isolation platform. The main body of the platform is provided with foldable legs, and the lower part of the main body of the platform is provided with a vibration-absorbing system. Elastic ropes, all the elastic ropes are arranged in parallel; one of the elastic ropes is provided with a mass ball, and the remaining elastic ropes are provided with two mass balls, and all the mass balls are arranged in a "V" shape along the length direction of the main body of the stand. A vibration isolation mechanism is provided at the end of the leg, the vibration isolation mechanism includes a vibration isolation mechanism main body and a measurement and control module, the vibration isolation mechanism main body is a closed body with a cavity inside, and the cavity of the vibration isolation mechanism main body contains Magneto-rheological fluid, an electromagnet and a piston are also arranged in the cavity of the main body of the vibration isolation mechanism, and the piston is fixedly connected to the support foot through the piston rod. The invention has the beneficial effects of absorbing vibration and being able to actively isolate the carrier vibration from propagating to the notebook.

The light-weight environment-friendly elastic sound insulation composite material is prepared from the following raw material components in parts by mass: 5 to 20 parts of butyl rubber, 5 to 20 parts of styrene elastomer, 20 to 50 parts of floating bead, 10 to 50 parts of flame retardant, 2 to 15 parts of plasticizer, 20 to 200 parts of inorganic filler and 2 to 5 parts of auxiliary agent. The sound insulation pad comprises a sound insulation rubber layer and wrapping layers, the sound insulation rubber layer is formed by plasticizing a light-weight environment-friendly elastic sound insulation composite material, and the wrapping layers are connected to the upper surface and the lower surface of the sound insulation rubber layer in a calendering mode to form a three-layer structure in a composite mode. According to the technical scheme, environment-friendly raw materials are adopted, the composite material comprises butyl rubber and a styrene block copolymer which are all-hydrocarbon-structure high-molecular compounds, the composite material is low in VOC and free of formaldehyde, a halogen-free flame retardant is adopted, and during combustion, low smoke and low smoke toxicity are achieved, and no toxic gas such as hydrogen chloride and dioxin is released; and the floating beads, the inorganic filler and the like are natural materials, and are environment-friendly and non-combustible.

The invention relates to the technical field of papermaking and in particular relates to a method for preparing flame-retardant composite stone paper. According to the method disclosed by the invention, polypropylene is modified to obtain polypropylene fibers first, talcum powder is modified by utilizing a titanate coupling agent TMC-201, then magnesium silicate in the talcum powder is heated to lose crystal water, and finally the flame-retardant aim is achieved. The titanate coupling agent TMC-201 has a flame-retardant pyrophosphate acyloxy group. A fireproof flame-retardant film is formed onthe surface of stone paper in the combustion process, so that the flame-retardant property of the stone paper is improved. Diatomite and bauxite are modified by utilizing the titanate coupling agent,so that the interface adhesive strength between the resin and inorganic particles is improved. Wollastonite and calcium carbonate are continuously added, and because the wollastonite and calcium carbonate have excellent heat stability and heat insulation property, propagation of heat is isolated, an excellent synergistic effect is achieved, and the flame-retardant effect is further achieved. Thecomposite stone paper has wide application prospects.

The invention discloses a garbage bin for recycling urine test materials, which comprises an upper cylinder and a lower cylinder, the upper cylinder is set on the lower cylinder, and the feature is that: the upper cylinder is provided with a partition, the The partition is conical, and the underside of the partition is provided with a support cup, and the upper side of the support cup is provided with a bracket, and the inside of the support cup is provided with a plastic valve, and the two sides of the plastic valve are provided with auxiliary supports , the opening of the lower end of the plastic flap is provided with a self-tightening rubber ring, the upper side of the upper cylinder is provided with a bung, the bung is hinged with the upper cylinder, the upper left side of the bung is provided with a handle, and the plastic There is a grid on the upper side of the flap. Beneficial effects of the present invention: complete recovery, separation and isolation of urine specimens at one time.

The invention discloses a breeding house temperature control system and method for improving yak lactation, and particularly relates to the technical field of yak breeding, the breeding house temperature control system comprises a temperature control box, a fourth temperature control branch box is installed in the temperature control box, and a first temperature control branch box is installed on one side of the fourth temperature control branch box; a second temperature control branch box is installed on one side of the first temperature control branch box, a third temperature control branch box is installed on one side of the second temperature control branch box, and a classified temperature control mechanism is installed in the fourth temperature control branch box. And the classified temperature control mechanism comprises a first temperature sensor arranged in the fourth temperature control branch box. The classified temperature control mechanism is adopted, classified temperature control operation can be carried out on lactation intervals of various periods, the same cooling pipeline is adopted in the temperature control process, the temperature control requirements of four periods are met, the lactation yield is greatly increased, the cost can be saved, control is easy and convenient, and the cost is lower.

The invention belongs to the field of sound insulation equipment, and particularly relates to a light double-layer structure sound barrier and a preparation method, the light double-layer structure sound barrier comprises a middle frame, a first hole, a second hole, a first bolt, a second bolt and a barrier unit; first holes are symmetrically formed in the middle frame; second holes are symmetrically formed in the middle frame; the first acoustic board, the second acoustic board, the third acoustic board and the fourth acoustic board are made of acoustic blankets, the two faces of the first board and the two faces of the second board have the acoustic absorption function, the acoustic insulation function can be achieved through the first board and the second board which are made of metal, and the first board and the second board are provided with the first through hole and the second through hole, so that the sound insulation function is achieved. The first plate and the second plate are rotationally connected to the two sides of the middle frame, the first bolt and the second bolt can be loosened to change the angle of the first plate and the angle of the second plate, and therefore the sound insulation device can adapt to different sound insulation areas and angles, and the optimal sound insulation and absorption effect is achieved.

The invention discloses a halogen-free flame-retardant fiber cloth derived from alginic acid and a preparation method thereof, and relates to the technical field of flame-retardant fabrics. A halogen-free flame-retardant fiber cloth of alginic acid derivatives, including alginic acid derivatives, a halogen-free flame retardant, and fiber cloth. The alginic acid derivatives are self-polymerizing flexible macromolecules of phosphorus and silicon alginate. During the impregnation process of the fiber cloth, the alginic acid derivatives are adsorbed on the surface of the fiber cloth, and the exposed silicon hydroxyl groups will undergo esterification reaction with the alginic acid derivatives during the post-heating process, and the silicon hydroxyl groups will dehydrate and self-condense to achieve macromolecules, thus forming A cross-linked flexible polymer flame retardant film is coated on the surface of the fabric fiber to obtain a semi-permanent flame-retardant fiber cloth. The halogen-free flame retardant further increases the flame-retardant performance of the fiber cloth. This flame-retardant fiber cloth Excellent flame retardancy and no dripping.