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CN-121975226-A - High-molecular material of Qishi stone for improving water quality and its preparing process

CN121975226ACN 121975226 ACN121975226 ACN 121975226ACN-121975226-A

Abstract

The invention relates to the technical field of plastic processes, in particular to a stoneware polymer material capable of improving water quality and a preparation method thereof, and the stoneware polymer material comprises, by weight, 13-29 parts of stoneware powder, 0.5-1.2 parts of non-metal ores, 0.3-1.7 parts of aluminosilicate minerals, 25-40 parts of biodegradable resins, 0.3-3.0 parts of talcum powder, 0.3-1.5 parts of compatilizer, 0.3-0.8 parts of chain extender, 0.3-0.8 parts of coupling agent, 0.3-1.2 parts of photoinitiator, 0.3-1.2 parts of lubricant, 0.3-0.7 parts of active agent, 0.3-0.7 parts of dispersing agent, 0.3-0.8 parts of white mineral oil and 57-71 parts of plastic master batch. The high polymer material of the invention realizes the synchronous action of multidimensional functions, satisfies the requirements of water quality optimization and bacteriostasis in all directions, is easy to process, can withstand high-temperature processing at 150-200 ℃, can be manufactured into products with complex shapes, is suitable for multiple scenes such as drinking water contact, bathroom and the like, has no harmful substances dissolved out, and has excellent safety and compatibility.

Inventors

  • WU JIAXI

Assignees

  • 广东宝爵新材料实业有限公司

Dates

Publication Date
20260505
Application Date
20260129

Claims (10)

  1. 1. The high molecular material for improving water quality is characterized by comprising, by weight, 13-29 parts of stoneware powder, 0.5-1.2 parts of non-metal ore, 0.3-1.7 parts of aluminosilicate mineral, 25-40 parts of biodegradable resin, 0.3-3.0 parts of talcum powder, 0.3-1.5 parts of compatilizer, 0.3-0.8 part of chain extender, 0.3-0.8 part of coupling agent, 0.3-1.2 parts of photoinitiator, 0.3-1.2 parts of lubricant, 0.3-0.7 part of active agent, 0.3-0.7 part of dispersing agent, 0.3-0.8 part of white mineral oil and 57-71 parts of plastic master batch.
  2. 2. The high molecular material for improving water quality according to claim 1, wherein the stoneware powder is one or more selected from marble powder, dolomite powder, tourmaline powder, black talcum powder, calamine powder, pyrophyllite powder, magnesite powder, mullite powder, granite powder, spinel powder, coal gangue powder, beta-eucryptite powder, dong Qing stone powder and yttrium aluminum garnet powder; The nonmetallic ore is selected from one or more of mica, limestone, quartz rock, mirabilite, wollastonite, bentonite, vein quartz, kaolin and asbestos; The aluminosilicate mineral is selected from one or more of orthoclate, potassium feldspar, anorthite, garnet, zeolite and albite; The plastic master batch is selected from one or more of PP, PE, PBS, PLA, PBAT, PC, PS, APS.
  3. 3. The high molecular material of extra stone for improving water quality according to claim 1 wherein the dispersant is at least one selected from the group consisting of sodium polyacrylate and polymethyl methacrylate; the compatilizer is at least one selected from maleic anhydride grafted polyethylene, maleic anhydride grafted polypropylene and maleic anhydride grafted styrene; the chain extender is at least one selected from butanediol, ethylene glycol, diethylene glycol and ethylenediamine; the coupling agent is at least one selected from gamma-aminopropyl triethoxysilane, gamma-methacryloxypropyl trimethoxysilane and vinyl triethoxysilane; The photoinitiator is at least one selected from 2-hydroxy-2-methyl-1-phenyl-1-acetone, 1-hydroxycyclohexyl phenyl ketone and 2,4, 6-trimethylbenzoyl-diphenyl phosphine oxide; the lubricant is at least one selected from butyl stearate, pentaerythritol tetrastearate and ethylene bis-stearamide; the active agent is at least one selected from sodium dodecyl sulfate, sodium fatty alcohol polyoxyethylene ether sulfate and potassium stearate.
  4. 4. The high molecular material of the extra stone for improving water quality according to claim 1, wherein the preparation method of the biodegradable resin is as follows: 1) Dissolving 10-15mmol of sodium oleate and 10-15mmol of bismuth nitrate in 100-150mL of ethylene glycol in sequence to obtain a solution A, then dispersing 0.1-0.3g of porous carbon composite nanofiber in 30-50mL of ethylene glycol in an ultrasonic manner to obtain a solution B, pouring the solution A into the solution B, stirring for 30-60min, adding 4-7mmol of sodium tungstate, continuing stirring for 2-3h, placing the obtained reaction solution in a reactor for solvothermal treatment for 16-20h, and then cooling, centrifuging, washing and drying in sequence to obtain the modified porous carbon composite nanofiber; 2) Premixing polylactic acid, polyhydroxyalkanoate, talcum powder, zinc stearate and polytetrafluoroethylene wax in a high-speed mixer, and then melting, extruding and granulating the premix and the modified porous carbon composite nanofiber in a double-screw extruder at the extrusion temperature of 190-195 ℃ to obtain the required biodegradable resin.
  5. 5. The high molecular material for improving water quality according to claim 4, wherein in the step 1), the stirring rotation speed is 1000-1500r/min; the solvothermal treatment temperature is 190-196 ℃.
  6. 6. The high molecular material for improving water quality according to claim 4, wherein in the step 2), the mass ratio of polylactic acid, polyhydroxyalkanoate, talcum powder, zinc stearate, polytetrafluoroethylene wax and modified porous carbon composite nano fiber is (500-800): (500-800): (40-60): (12-18): (12-18): (20-30).
  7. 7. The extra stone polymer material for improving water quality according to claim 4, wherein the preparation method of the porous carbon composite nanofiber is as follows: 1) Adding magnesium acetate and polyacrylonitrile into N, N-dimethylformamide according to the mass ratio of (1-5) to prepare a solution with the total concentration of the magnesium acetate and the polyacrylonitrile of 10-15 wt%; 2) Spinning the solution into nano fibers under the conditions of spinning voltage of 20-25kV and liquid feeding speed of 0.5-1.5mL/h, pre-oxidizing for 1-2h at 260-280 ℃, and carbonizing at 800-900 ℃ to obtain carbon nano fibers; 3) Washing the carbonized nanofiber with 8-10wt% hydrochloric acid solution to remove magnesium acetate decomposition products, washing with distilled water, and vacuum drying at 80-90deg.C for 24-30h to obtain porous carbon nanofiber; 4) Dissolving antimony potassium tartrate in deionized water, magnetically stirring for 15-30min, adding polyvinylpyrrolidone, continuously stirring for 10-15min, adding thioacetamide into the formed mixed solution, and fully and uniformly stirring to obtain a reaction solution; 5) Adding the porous carbon nanofiber into a reaction solution, carrying out ultrasonic treatment for 10-15min, transferring to a reaction kettle, sealing, placing in a baking oven, heating at constant temperature for 24-28h, cooling to room temperature after the reaction is finished, centrifuging the product, repeatedly cleaning with deionized water, and drying to obtain the porous carbon composite nanofiber.
  8. 8. The polymer material for improving water quality according to claim 7, wherein in the step 4), the proportion of the amount of the antimony potassium tartrate, the deionized water, the polyvinylpyrrolidone and the thioacetamide in the reaction solution is (0.8-1.5) mol, (80-130) mL, (0.4-0.7) g, (1.4-3.0) mol.
  9. 9. The extra stone polymer material for improving water quality according to claim 7, wherein in step 5), the dosage ratio of the porous carbon nanofiber to the reaction solution is (3-6) g (100-160) mL; The power of the ultrasonic treatment is 150-200W; the constant temperature heating temperature is 180-186 ℃.
  10. 10. The method for preparing the extra stone macromolecular material capable of improving water quality according to any one of claims 1 to 9, which is characterized by comprising the following steps: S1, weighing raw material components according to weight fraction, putting stoneware powder, biodegradable resin, talcum powder and compatilizer into a high-speed mixer, preheating and mixing, wherein the preheating temperature is 50-80 ℃, the rotating speed of the high-speed mixer is 400-1200r/min, and the premixing time is 15-30min, so as to prepare a fluid mixture base material; Pouring the base material of the fluid mixture into a stirring charging barrel, mixing and stirring, wherein the rotating speed of the stirring charging barrel is 800-1600r/min, sequentially adding a chain extender, a coupling agent, a photoinitiator, a lubricant and an active agent into the stirring charging barrel, stirring, plasticizing and mixing with the base material of the fluid mixture, and stirring for 30-60min at the mixing temperature of 100-140 ℃, so as to obtain a semi-solidified substance after full mixing; Step 3, adding the semi-solidified material into an internal mixer, and carrying out internal mixing processing treatment at the heating temperature of 110-140 ℃ for 20-30min to obtain a blocky material; Step 4, forcedly feeding the block materials obtained by internal smelting into a double-screw extruder through a double-cone forced feeder, adding plastic master batch, nonmetallic ore, aluminosilicate mineral, dispersing agent and white mineral oil, firstly carrying out melting treatment at the melting temperature of 120-150 ℃ through a melting section of the double-screw extruder, carrying out mixing modification treatment at the heating temperature of 160-190 ℃ in a mixing section of the double-screw extruder, then carrying out exhaust treatment through an exhaust section of the double-screw extruder, controlling the temperature of the exhaust section to be 110-140 ℃, finally carrying out further homogenization on the materials at the temperature range of 120-130 ℃ in the homogenization section, carrying out extrusion granulating through a disc knife matched with the extruded materials, then falling into an underwater granulator, carrying out underwater granulating treatment in a water room of the underwater granulator, carrying out rapid cooling on the particles cut in the water room through a fan connected with the water room after granulating, preventing the particles from deforming in a rotating impact, then sending the particles obtained through cooling into a dehydration function, removing redundant moisture in the particles, sending the particles into a three-layer vibrating machine after dehydration treatment, and sending the particles into a three-layer vibrating machine, carrying out the particles with different pore diameters to a sieve, and finally carrying out preparation of particles with high-grade particles, wherein the particles with the particle diameters and the high-grade particles are required to be prepared and high-grade materials are selected, and the high-grain size particles are prepared and have the high-grade particles are prepared.

Description

High-molecular material of Qishi stone for improving water quality and its preparing process Technical Field The invention relates to the technical field of plastic technology, in particular to a high molecular material of a stone capable of improving water quality and a preparation method thereof. Background In the fields of water quality optimization, daily necessities bacteriostasis, environment anion regulation and the like, plastics are widely used for producing products such as tableware, contact appliances, pet appliances and the like due to the advantages of low cost, strong processing plasticity, light weight and the like. However, the traditional plastic only has a basic structure supporting function, and if additional functions are required to be realized, the prior art scheme in the industry has obvious defects, and the concrete steps are as follows: technical limitations of existing functional materials 1. Water quality optimization material In the prior art, water quality improvement is realized by 'surface coating' or 'single auxiliary agent addition': The surface of the plastic is coated with activated carbon and diatom ooze, although residual chlorine can be adsorbed and water molecules are thinned in an auxiliary way, the coating has weak binding force with a base material, is easy to fall off after long-term contact with water or cleaning friction, the water quality optimizing effect is attenuated by more than 60% after 1-2 months, the free radical elimination and trace element release functions cannot be realized, the ion exchange resin is added into the plastic, the concentration of the residual chlorine can be reduced only through ion exchange, the resin exchange capacity is limited, the resin needs to be replaced or regenerated after 3-4 weeks, the function is single, and the water molecule structure and free radical are not improved. 2. Antibacterial material The existing antibacterial plastic mainly depends on the addition of an antibacterial agent: The silver ion antibacterial agent is added, so that the cost is high, and the risk of exceeding the standard of silver ion dissolution exists in long-term use (especially in a drinking water contact scene); The organic antibacterial agent (such as quaternary ammonium salt) has unstable antibacterial effect, can only aim at 1-2 bacteria, and can not inhibit three common pathogenic bacteria such as staphylococcus aureus, escherichia coli and candida albicans. 3. Anion releasing and free radical eliminating material Ceramic and natural ore can stably release anions and eliminate free radicals, but have crisp texture and high processing difficulty, cannot be made into products with complex shapes such as thin-wall water cups, flexible pipelines and the like, and have high density (about 2.5-3.0g/cm < 3 >) so that the weight of the products is increased by more than 40 percent compared with that of plastic products, and the use convenience is poor; The tourmaline powder-added plastic has low negative ion release amount (less than or equal to 500/cm < 3 >), needs to be compounded with other functional auxiliary agents, and is easy to have compatibility conflict (for example, an antibacterial agent can inhibit the tourmaline negative ion release efficiency), so that the material formula is complex, and the cost is increased by more than 30%. 4. Trace element releasing material The existing materials capable of releasing microelements such as potassium, calcium, sodium, magnesium and the like are mostly natural ores such as medical stone, muyu stone and the like, and the microelements are dissolved out through direct contact of water and the ores, but the ores are poor in processability and easy to crush, cannot be combined with plastics to prepare light-weight and easily-formed daily necessities, and the application scene is limited to single forms such as filter elements, ornaments and the like. (II) common disadvantages of the prior art 1. The function is single, most materials can only realize 1-2 functions, if the multifunctional integration is needed, more than three materials/auxiliary agents are needed to be compounded, so that the structure is complex, and the processing flow is complex; The stability is poor, the functional life is generally less than or equal to 3 months depending on the material of a coating or a single auxiliary agent, and frequent replacement and maintenance are needed; 2. the processing and the scene are limited, namely inorganic functional materials (ceramics and ores) are difficult to process and cannot adapt to the complex molding requirement of plastic products; 3. The safety and compatibility are insufficient, part of auxiliary agents (silver ions and organic antibacterial agents) have safety risks, and the compounding of different auxiliary agents is easy to inhibit each other, so that the functional effect is reduced. Therefore, a novel material which can synchronously realize the functions of thinning wat