34results about How to "Extended fire protection time" patented technology

The invention relates to thin fire-resistant/flame-retardant paint for a tunnel and a preparation method thereof. The paint is prepared from the following raw materials in percentage by weight: 40-50% of silicate cement, 5-10% of high-alumina cement, 1-5% of fly ash, 1-5% of redispersible rubber powder, 1-5% of aluminum silicate fiber, 5-10% of expanded perlite, 5-10% of vermiculite, 5-10% of hollow glass microsphere, 5-10% of vitrified microsphere, 1-5% of sepiolite, 1-5% of modified aluminum hydroxide flame retardant, 1-5% of modified magnesium hydroxide flame retardant, 1-5% of expandable graphite flame retardant, 0.5-1% of air entraining agent, 0.5-1% of water reducing agent, 0.5-1% of water repelling agent and 0.5-1% of defoaming agent. The paint provided by the invention has excellent bonding strength, high fire resistance, low heat conductivity and remarkable sound absorption and noise reduction effect, further has favorable moisture resistance, water resistance and durability, and effectively reduces the coating thickness, saves the resources and lowers the construction difficulty on the premise of meeting Chinese standards and related specifications.

The invention discloses a fire-proof glue of a fireproof glass, a preparation method thereof and the composite fire-proof glass. The fire-proof glue comprises the following components in parts by weight: 50-150 parts of hydrophilic nano core-shell structure organic-inorganic hybrid particles, 50-150 parts of deionized water, 0.5-5 parts of glycerin, 0.5-3 parts of a char-forming agent, 0.5-3 parts of a char-forming auxiliary agent, 0.5-3 parts of a heat-resistant stabilizer, 0.05-0.5 parts of an ions fixing agent, 0.3-0.6 parts of a storage stabilizing agent, 0.1-0.2 parts of an antifoaming agent, 0.3-0.6 parts of a levelling agent, 0.2-1 part of a cross-linking agent and 15-45 parts of a potassium hydroxide aqueous solution with mass percentage concentration being 50%. The composite fire-proof glass has the advantages of no micro-bubbles, high transmittance and long fire-proof time.

The invention relates to composite fire-resistant glass combination liquid and a preparation method thereof as well as composite fire-resistant glass and belongs to the field of safety glass. The composite fire-resistant glass combination liquid comprises the following materials in parts by weight: 25-150 parts of potash water glass, 100 parts of deionized water, 0.2-1 parts of char forming agent, 0.1-0.5 parts of char forming additive, 0.01-0.05 parts of defoaming agent, 0.1-0.2 parts of plasticizer, 0.1-0.2 parts of flattening agent and 0.1-0.5 parts of cross-linking agent. The composite fire-resistant glass combination liquid has the advantages that the synergistic effect is generated among the components of the combination liquid by improving the formula of the combination liquid, bubbles in the interlayers of the composite fire-resistant glass are eliminated, and the high-performance non-microbubble composite fire-resistant glass with the transmittance of 82%-83% and the fire-resistance time up to 95 minutes is prepared.

The present invention belongs to the field of inorganic non-metal material, and is especially the preparation process of superfine xonotlite fiber. The present invention adopts natural quartz powder as silicon material, common lime as calcium material and zirconium oxychloride as additive. The preparation process includes slaking lime in water over 40 deg.c into Ca(OH)2, 200-mesh sieving, adding quartz powder in the Ca/Si molar ratio in slurry of 0.94-0.99, adding zirconium oxychloride and water in the molar ratio between Zr ion and Ca ion plus Si ion of 0.01-0.07 and water/solid weight of 1 to 20-40; heating the compounded slurry in high pressure reactor to 190-220 deg.c while stirring and maintaining the temperature for 3-8 hr under stirring and pressure of 1.7-2.4 MPa; cooling and stoving to obtain superfine xonotlite fiber. The present invention has simple technological process, low material cost and wide application foreground.

The invention discloses fireproof paint based on zirconium phosphate and methacrylic acid composite modified acrylate core-shell emulsion. The zirconium phosphate and methacrylic acid composite modified acrylate core-shell emulsion, ammonium polyphosphate, pentaerythritol, melamine, titanium dioxide, hydroxyethyl cellulose, dispersing agents, defoaming agents, n-octyl alcohol and water serve as main raw materials and are compounded to form the fireproof paint. The modified acrylate core-shell emulsion is provided with a soft core and hard shell structure, a soft core portion is modified by zirconium phosphate, a hard shell portion is crosslinked by methacrylic acid, the flame resistance and the water resistance of the acrylate core-shell emulsion can be effectively improved, and excellentaging resistance and yellowing resistance are shown. The prepared fireproof paint has the advantages of long fireproof time, long service life, strong weather resistance, good ornamental feature, water-based environmental protection and the like. Moreover, the fireproof paint is simple to prepare and suitable for popularization and application.

The invention relates to the technical field of fireproof coatings, in particular to a hydrophobic efficient fireproof coating and a preparation method thereof. The preparation method of the fireproofcoating comprises the following steps: adding a film forming matter, a modifier and aerogel powder into dispersion equipment, carrying out uniform mixing under stirring, performing heating to 80-100DEG C in a stirring state, and keeping the temperature for 2-3 hours; transferring dispersed slurry into a grinding device, performing cooling to 5-10 DEG C, and performing grinding until the finenessof the slurry reaches 35-45 microns; adding pigments and fillers into the ground slurry, and carrying out grinding and dispersing uniformly; transferring the slurry into the dispersion equipment again, performing cooling to 5-10 DEG C, sequentially adding water, a flame retardant and an assistant, and carrying out dispersion; and stopping dispersing, and carrying out sieving and packaging. According to the invention, the film forming matter, the modifier and the aerogel powder are mixed, then heated and dispersed, and then cooled and ground, so the surface of the aerogel powder is coated andmoisture or other small molecular substances are prevented from entering holes of the aerogel powder; and thus, the problems that the aerogel powder is poor in dispersity and prone to losing efficacywhen applied in coatings are solved, the heat conductivity coefficient of the fireproof coating in an earlier stage of heating is obviously reduced, and fireproof time is prolonged.

The invention discloses an ultrathin weather-resistant fire retardant coating for a steel structure. The fire retardant coating comprises the following components: 24-30 parts of base resin, 17-23 parts of an intumescent flame retardant system, 8-15 parts of filler and pigment, 6-11 parts of auxiliaries, 17-22 parts of a solvent, 4-8 parts of modified nano-aluminum hydroxide and 1-3 parts of a plasticizer, wherein the intumescent system comprises components in parts by mass as follows: 8-10 parts of a dehydration catalyst, 5-7 parts of a charring agent and 2-4 parts of a foaming agent. The invention further designs a preparation technology of the ultrathin weather-resistant fire retardant coating for the steel structure. The preparation technology is simple, dense smoke and poison gas are not produced in the preparation process, and the prepared fire retardant coating has the advantages of environmental protection, ultrathin performance, weather resistance, fire retardance, durability, good fire retardant effect, low cost and good decoration performance.

A preparation method for fireproof glue for fireproof glass, comprising the following steps: 1. Adding hydrophilic nano core-shell structure organic-inorganic hybrid particles into deionized water, stirring at a high speed for 20-30min, with a stirring speed of 1500- 1800r/min to obtain solution one; two, add sodium fluorosilicate, sodium metaaluminate, water-based bentonite, polyphosphate, ammonium polyphosphate, sodium borate, basic zinc carbonate, water-based rosin emulsion and poly Silicone emulsion, heated at 100-120°C and stirred for 40-60min to obtain solution 2; 3. Place solution 2 in a vacuum environment for vacuum pressurization at a pressure of 10-20MPa and pressurize for 20-30min to obtain Crude fireproof glue; 4. Add potassium hydroxide aqueous solution with a mass percent concentration of 50% to the crude fireproof glue, and slowly stir for 20-30min under vacuum conditions to obtain the finished product. The fireproof glue prepared by the invention can make the glass have the advantages of no microbubble, high transmittance and long fireproof time.

The invention relates to a fireproof glue for fireproof glass and a preparation method thereof. The fireproof glue includes the following raw materials in parts by weight: 20-40 parts of silicone rubber, 50-70 parts of water glass, 5-10 parts of dimethyl silicone oil, 4 ‑6 parts of kaolin, 4‑10 parts of acrylamide, 6‑10 parts of aluminum hydroxide, 2‑5 parts of hydroxymethylcellulose, 5‑8 parts of sodium hexametaphosphate, 5‑8 parts of glycerin, 2‑5 parts of joint agent. The fireproof glue of the present invention utilizes the synergistic effect among various components to eliminate air bubbles in the composite fireproof glass interlayer, and can prepare composite fireproof glass with high transmittance and long fireproof time.

The invention discloses a novel fireproof paint, which is prepared from dragon spruce stem essential oil, acrylic resin, magnesium carbonate, sodium bicarbonate, ammonium polyphosphate, pentaerythritol, an additive, an inorganic filler, and a solvent. The fireproof paint provided by the invention increases the fire retardant effect of the coating and prolongs the fireproof time of the coating, and the effective fireproof time is more than 3 times that of existing fireproof paint.

The invention discloses a fireproof coating composition. The fireproof coating composition is prepared from 11-13 parts by mass of silicate glass, 12-14 parts by mass of expanded perlite, 6-8 parts bymass of a titanate coupling agent, 7-11 parts by mass of chlorinated paraffin, 5-6 parts by mass of titanium dioxide, 30-42 parts by mass of an acrylate elastic emulsion, 3-4 parts by mass of sodiumsilicate, 15-17 parts by mass of isobutyl ketone, 20-23 parts by mass of epoxy resin, 11-14 parts of antimonous oxide and 20-24 parts of water. The fireproof coating composition has good environmentalprotection effects, does not produce toxic gas in the flame retarding process, has good heat insulation and strong fireproofing ability, increases fireproof time, has a long attachment period and isnot easy to fall off.

The invention discloses an ultra-thin steel structure fireproof coating which comprises the following material components in parts by weight: 60 to 75 parts of a base material, 10 to 15 parts of a fire retardant, 2 to 5 parts of a pigment filler, 3 to 5 parts of a solvent, 2 to 4 parts of a thinner, and 0.5 to 1 part of a defoamer. The ultra-thin steel structure fireproof coating has the benefits that the coating can effectively prolong the fireproof time, can not corrode steel structures as the selected material basically adopts neutral substances, and can not affect the stability of the steel structures at the same time, and a plant experiment shows that the fireproof time can be increased by 2 to 3 times and the corrosion rate is reduced by 85 percent.

The invention discloses an inorganic crystal adhesive fire-proof decorative board, and a production method and an application of the decorative board. The fire-proof decorative board is prepared frominorganic crystal adhesive powder, silicate, oxidized metal salt, sulfate, a vitrified microbead or bamboo fiber, silicon oxide, a modified polypropylene crude fiber filament, a non-woven fabric, andan alkali-free grid glass fabric or basalt fiber cloth. The board is resistant to fire and water soaking, high in compressive strength, high in fracture resistance, resistant to corrosion, moths and moisture, nontoxic, odorless, and good in decorative effect and has many styles and varieties. The board is used for fire-proof decoration of a tunnel, external wall advertisement, fire doors, externalwall decoration, internal wall decoration, roof decoration, partition decoration, furniture manufacturing and the like. Fire prevention and decoration are accomplished at a time; a fire-proof layer and a decoration layer are integrated; a construction period is shortened; resources are saved; labor cost and material cost are lowered; the quality is improved; the service life is prolonged; and theboard substitutes medium density boards, chipboards, blockboards and composite boards capable of continuously releasing toxic substances such as formaldehyde, and glass magnesium plates getting halogenide and damp.

The invention discloses a fireproof coating capable of effectively prolonging the fireproof time. The fireproof coating capable of effectively prolonging the fireproof time is prepared from, by weight, 5-9 parts of spruce stem essential oil, 20-22 parts of acrylic resin, 10-15 parts of magnesium carbonate, 10-15 parts of sodium bicarbonate, 6-8 parts of ammonium polyphosphate, 10-15 parts of pentaerythritol, 15-20 parts of an additive, 30-35 parts of an inorganic filler, 8-10 parts of a fire retardant and 20-25 parts of a solvent. The fire retardant comprises 13-14% of antimony dioxide, 0.2-0.3% of ammonium sulfate, 10-20% of magnesium hydroxide, 10-20% of citric acid, and the balance of diatomite. The fireproof coating capable of effectively the prolonging fireproof time increases the flame retardation effect of a coat layer and prolongs the fireproof time of the coat layer, and the effective fireproof time is above 3 times that of present fireproof coatings; and the fire retardant has the advantages of reasonable formula, low cost and good flame retardation effect.

The invention discloses a fire-retardant coating combination which is prepared from the following raw materials (by weight): 11-13 parts of silicate glass, 12-14 parts of expanded perlite, 6-8 parts of a titanate coupling agent, 7-11 parts of chlorinated paraffin, 5-6 parts of titanium dioxide, 30-42 parts of an acrylate elastic emulsion, 3-4 parts of sodium silicate, 15-17 parts of isobutyl ketone, 20-23 parts of epoxy resin, 11-14 parts of antimonony oxide and 20-24 parts of water. The fire-retardant coating combination has good environmental protection property, will not generate toxic gas during flame retardation process, has good heat insulation property and strong fire resistance, is used to prolong fireproofing time, has long adhesion period, and is not easy to fall off.

The invention discloses an underground cable which comprises more than one cable arranged in a cable well, wherein the bottom part of each cable is provided with a supporting base plate (6), the supporting base plates (6) are arranged in the length direction of the cable, each supporting base plate (6) has an arc-shaped sealing surface, the cable is partially buckled into the arc-shaped sealing surfaces and makes contact with the arc-shaped sealing surfaces, and more than one concave cavity (4) is formed in each supporting base plate (6) in the length direction of the supporting base plate (6). The movable section of the cable in the area can be overturned after the surface layer of the cable is damaged, so that an originally exposed damaged opening is overturned to the bottom to be sealed and hidden, thus a plurality of problems can be solved, physical fire extinguishing and gas fire extinguishing can be achieved in emergency, the use safety of underground cable arrangement is improved, and the service life of the underground cable arrangement is prolonged.

The invention discloses a fireproof coating composition. The fireproof coating composition is prepared from 11-13 parts by mass of silicate glass, 12-14 parts by mass of expanded perlite, 6-8 parts bymass of a titanate coupling agent, 7-11 parts by mass of chlorinated paraffin, 5-6 parts by mass of titanium dioxide, 30-42 parts by mass of an acrylate elastic emulsion, 3-4 parts by mass of sodiumsilicate, 15-17 parts by mass of isobutyl ketone, 20-23 parts by mass of epoxy resin, 11-14 parts of antimonous oxide and 20-24 parts of water. The fireproof coating composition has good environmentalprotection effects, does not produce toxic gas in the flame retarding process, has good heat insulation and strong fireproofing ability, increases fireproof time, has a long attachment period and isnot easy to fall off.

The invention belongs to the technical field of fireproof doors and particularly relates to a steel heat insulation fireproof door. The fireproof door comprises a door frame, a door plate, a water pumping unit, a water pipe and a sprayer, wherein the water pumping unit comprises a water pumping handle and a water pumping barrel; a side wall of the water pumping barrel is fixedly connected with a side wall of a groove; a top end of the pumping barrel and an upper end of the piston are fixedly connected with hinge blocks; holes are formed in the top of the pumping barrel; a drainage pipe communicated with the water pipe is arranged on one side of the water pumping barrel; the bottom of the water pumping barrel is communicated with an external water source; a water pumping handle is arranged on one side of the water pumping barrel away from the drain pipe; the water pumping unit enters the water pipe through the drainage pipe, water cools the door frame in the flowing process of the water pipe, the fireproof time of the fireproof door is prolonged, and then the survival time of trapped persons is prolonged; water is sprayed outwards through the sprayers arranged on the water pipes, the fireproof time of the fireproof door is prolonged through the water pumping unit under the condition of no electric drive, the survival time of trapped persons is further prolonged, and the survival rate of the trapped persons in a fire disaster is increased.