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CN-122013552-A - Flame-retardant environment-friendly curtain fabric laminating composite material and preparation method thereof

CN122013552ACN 122013552 ACN122013552 ACN 122013552ACN-122013552-A

Abstract

The invention relates to the technical field of curtain manufacturing, in particular to a flame-retardant environment-friendly curtain fabric film composite material and a preparation method thereof, wherein the flame-retardant environment-friendly curtain fabric film composite material comprises, by weight, 22-26 parts of filler, 50-60 parts of aqueous polyurethane emulsion, 1-2 parts of dispersing agent and 0.5-1.5 parts of thickening agent. According to the invention, the powder and the additives are coated by the calcium alginate gel, sodium sulfate and borax in the powder can release crystal water when being heated, a flame-retardant barrier is formed by absorbing heat and reducing temperature and diluting combustible gas, in addition, reed straw in the additives is processed to form a biomass charcoal material, glucose is oxidized by nitric acid and then reacts with melamine to form a compact expanded charcoal layer, the compact expanded charcoal layer has good heat insulation and oxygen isolation effects, meanwhile, molten drops are restrained from being generated, flame spread is prevented, and finally, the auxiliary agent further enhances the compactness and stability of the charcoal layer, and the synergistic effect of the above improves the flame retardant property of the material.

Inventors

  • MA YING

Assignees

  • 浙江元正布艺有限公司

Dates

Publication Date
20260512
Application Date
20260324

Claims (10)

  1. 1. The flame-retardant environment-friendly curtain fabric laminating composite material is characterized by comprising, by weight, 22-26 parts of filler, 50-60 parts of aqueous polyurethane emulsion, 1-2 parts of dispersing agent and 0.5-1.5 parts of thickener; The raw materials of the filler comprise powder, phosphate, sodium alginate, deionized water, additives and calcium chloride aqueous solution; The raw materials of the powder comprise sodium sulfate decahydrate, borax, halloysite nanotubes, hydroxyethylidene diphosphonic acid and molten paraffin; The additive raw materials comprise glucose, nitric acid, deionized water, reed straw, sodium hydroxide solution, calcium oxide, sodium sulfite, auxiliary agent, melamine and graphite oxide.
  2. 2. The flame retardant environment-friendly curtain fabric laminating composite material according to claim 1, wherein the filler is prepared by the following method: Mixing powder and phosphate according to the mass ratio of 1 (0.8-1), and stirring for 20-30min under the condition of 200-300rpm to obtain a first mixture; Mixing sodium alginate and deionized water according to the mass ratio of (1-2) to 50, adding an additive accounting for 15-25% of the mass of sodium alginate, and stirring for 20-40min under the condition of 200-400rpm to obtain a second mixture; And step three, mixing the first mixture and the second mixture, dispersing for 10-20min at 2000-3000rpm to obtain a third mixture, adding a calcium chloride aqueous solution, stirring for 40-60min at 400-500rpm, filtering to obtain a solid product, washing, and freezing for 12-16h at-10 ℃ and 10-30Pa to obtain the filler.
  3. 3. The flame-retardant environment-friendly curtain fabric laminating composite material according to claim 2, wherein the mass ratio of the first mixture to the second mixture is 1 (3-5), the mass ratio of the third mixture to the calcium chloride aqueous solution is 1 (2-4), and the mass concentration of the calcium chloride aqueous solution is 3-5%.
  4. 4. The flame-retardant environment-friendly curtain fabric laminating composite material according to claim 1, wherein the powder is prepared by mixing sodium sulfate decahydrate, borax, halloysite nanotubes and hydroxyethylidene diphosphonic acid according to a mass ratio of 100 (4-6): 8 (3-5), stirring for 20-40min at 50-60 ℃ and 100-200rpm, adding molten paraffin, continuously stirring for 20-30min, cooling to room temperature, crushing and sieving with a 200-mesh sieve to obtain the powder, wherein the temperature of the molten paraffin is 60-70 ℃, and the mass of the molten paraffin is 5-8% of the mass of sodium sulfate decahydrate.
  5. 5. The flame-retardant environment-friendly curtain fabric coating composite material according to claim 1 is characterized in that the additive is prepared by mixing glucose and nitric acid, stirring for 3-5 hours at 50-60 ℃ and 100-200rpm, adding deionized water which is 3 times of the total mass of the glucose and the nitric acid to obtain a mixed solution, soaking reed straw in the mixed solution for 4 hours at 50-60 ℃, taking out reed straw, washing, drying, crushing, sieving with a 60-80 mesh sieve to obtain reed powder, adding sodium hydroxide solution, stirring for 2-3 hours at 70-80 ℃ and 200-300rpm, filtering, taking liquid, adding calcium oxide, standing for 1-2 hours, filtering, taking precipitate, washing, adding sodium sulfite, an auxiliary agent, melamine, graphite oxide and deionized water, stirring for 30 minutes at 100-200rpm, adjusting the pH to 5-6, heating for 4-6 hours at 140-160 ℃ and 0.4-0.6MPa, and spraying and drying the obtained product at an inlet temperature of 180-200 ℃ and an outlet temperature of 80-90 ℃.
  6. 6. The flame-retardant environment-friendly curtain fabric laminating composite material according to claim 5, wherein the mass ratio of glucose to nitric acid is 1 (3-4), the mass concentration of nitric acid is 50-60%, the mass of sodium hydroxide solution is 8 times that of reed powder, the mass concentration of sodium hydroxide solution is 1%, the mass of calcium oxide is 3-5% of that of liquid, and the mass ratio of precipitate, sodium sulfite, auxiliary agent, melamine, graphite oxide and deionized water is 1 (0.4-0.6): 0.2-0.3): 0.05-0.1): 0.02:6.
  7. 7. The flame-retardant environment-friendly curtain fabric coating composite material according to claim 1 is characterized in that the auxiliary agent is prepared by crushing coconut shell activated carbon, sieving with a 200-mesh sieve, adding potassium hydroxide solution, refluxing for 2-3h at 80 ℃, filtering to obtain solid coarse material, washing, placing in a citric acid solution with the mass concentration of 5-8%, immersing for 1-2h at 60-70 ℃, filtering to obtain solid fine material, drying for 4-6h at 80-90 ℃, heating to 400-500 ℃ at 5-10 ℃ under the protection of nitrogen, heating for 1-2h to obtain a carbon product, mixing the carbon product, ammonium dihydrogen phosphate and deionized water, stirring for 2-3h at 80-90 ℃ and 50-100rpm, drying for 4-6h at 100-110 ℃, and grinding and sieving with a 100-mesh sieve to obtain the auxiliary agent.
  8. 8. The flame-retardant environment-friendly curtain fabric laminating composite material according to claim 7, wherein the mass ratio of the coconut shell activated carbon to the potassium hydroxide is 1 (5-8), the mass concentration of the potassium hydroxide solution is 10-15%, and the mass ratio of the carbon product, the monoammonium phosphate and the deionized water is 1 (0.2-0.3) (0.5-0.8).
  9. 9. The flame retardant and environment friendly curtain fabric coated composite material according to claim 1, wherein the dispersant is dispersant 5040 and the thickener is hydroxyethyl cellulose.
  10. 10. The preparation method of the flame-retardant environment-friendly curtain fabric coating composite material according to any one of claims 1 to 9 is characterized by comprising the steps of taking filler according to requirements, adding 40 to 50% of the mass of aqueous polyurethane emulsion, dispersing for 40 to 50min under the condition of 1000 to 1500rpm, adding the rest of aqueous polyurethane emulsion, dispersing agent and thickening agent, stirring for 20 to 30min under the condition of 400 to 500rpm, regulating the viscosity to 4500 mPa.s, controlling the coating amount of the obtained product to be coated on the surface of a curtain base fabric under the condition of 0.3mm in a blade coating gap, drying for 4min under the condition of 90 ℃, baking for 3min under the condition of 140 ℃, and cooling to room temperature to obtain the flame-retardant environment-friendly curtain fabric coating composite material.

Description

Flame-retardant environment-friendly curtain fabric laminating composite material and preparation method thereof Technical Field The invention relates to the technical field of curtain manufacturing, in particular to a flame-retardant environment-friendly curtain fabric film-coated composite material and a preparation method thereof. Background The curtain is an indispensable component in home decoration, and curtain fabrics on the market are various in materials, including terylene, cotton, hemp, silk and the like, and the curtain is mainly used for shielding sunlight, adjusting indoor light, protecting privacy and beautifying living environment. In the prior art, the traditional curtains are mainly made of textile materials, but the curtain materials have poor flame retardant property, are easy to melt and drip to burn when meeting fire, and are easy to spread. Based on the above, the invention provides a flame-retardant environment-friendly curtain fabric coating composite material and a preparation method thereof. Disclosure of Invention The invention aims to provide a flame-retardant environment-friendly curtain fabric coating composite material and a preparation method thereof, the material prepared by the invention not only has better flame retardant property, but also has excellent environmental protection property, and the service performance of the material is effectively improved. The invention provides a flame-retardant environment-friendly curtain fabric laminating composite material which comprises, by weight, 22-26 parts of filler, 50-60 parts of aqueous polyurethane emulsion, 1-2 parts of dispersing agent and 0.5-1.5 parts of thickener; The raw materials of the filler comprise powder, phosphate, sodium alginate, deionized water, additives and calcium chloride aqueous solution; The raw materials of the powder comprise sodium sulfate decahydrate, borax, halloysite nanotubes, hydroxyethylidene diphosphonic acid and molten paraffin; The additive raw materials comprise glucose, nitric acid, deionized water, reed straw, sodium hydroxide solution, calcium oxide, sodium sulfite, auxiliary agent, melamine and graphite oxide. Further, the filler is prepared by the following method: Mixing powder and phosphate according to the mass ratio of 1 (0.8-1), and stirring for 20-30min under the condition of 200-300rpm to obtain a first mixture; Mixing sodium alginate and deionized water according to the mass ratio of (1-2) to 50, adding an additive accounting for 15-25% of the mass of sodium alginate, and stirring for 20-40min under the condition of 200-400rpm to obtain a second mixture; And step three, mixing the first mixture and the second mixture, dispersing for 10-20min at 2000-3000rpm to obtain a third mixture, adding a calcium chloride aqueous solution, stirring for 40-60min at 400-500rpm, filtering to obtain a solid product, washing, and freezing for 12-16h at-10 ℃ and 10-30Pa to obtain the filler. Further, the mass ratio of the first mixture to the second mixture is 1 (3-5), the mass ratio of the third mixture to the calcium chloride aqueous solution is 1 (2-4), and the mass concentration of the calcium chloride aqueous solution is 3-5%. Further, the powder is prepared by mixing sodium sulfate decahydrate, borax, halloysite nanotubes and hydroxyethylidene diphosphonic acid according to the mass ratio of 100 (4-6): 8 (4-5), stirring for 20-40min at 50-60 ℃ and 100-200rpm, adding molten paraffin, continuously stirring for 20-30min, cooling to room temperature, crushing and sieving with a 200-mesh sieve to obtain the powder, wherein the temperature of the molten paraffin is 60-70 ℃ and the mass of the molten paraffin is 5-8% of the mass of sodium sulfate decahydrate. Further, the additive is prepared by mixing glucose and nitric acid, stirring for 3-5 hours at 50-60 ℃ and 100-200rpm, adding deionized water which is 3 times of the total mass of the glucose and the nitric acid to obtain a mixed solution, soaking reed straws in the mixed solution for 4 hours at 50-60 ℃, taking out reed straws, washing, drying, crushing, sieving with a 60-80-mesh sieve to obtain reed powder, adding sodium hydroxide solution, stirring for 2-3 hours at 70-80 ℃ and 200-300rpm, filtering, taking the liquid, adding calcium oxide, standing for 1-2 hours, filtering, taking the precipitate, washing, adding sodium sulfite, an auxiliary agent, melamine, graphite oxide and deionized water, stirring for 30 minutes at 100-200rpm, adjusting the pH to 5-6, heating for 4-6 hours at 140-160 ℃ and 0.4-0.6MPa, and spray-drying the obtained product at an inlet temperature of 180-200 ℃ and an outlet temperature of 80-90 ℃ to prepare the additive. Further, the mass ratio of the glucose to the nitric acid is 1 (3-4), the mass concentration of the nitric acid is 50-60%, the mass of the sodium hydroxide solution is 8 times that of reed powder, the mass concentration of the sodium hydroxide solution is 1%, the mass of the calcium oxide is 3-5% of tha