CN117004147A - Solid waste-based PVC calendered film matrix wear-resistant material and preparation method thereof - Google Patents
Solid waste-based PVC calendered film matrix wear-resistant material and preparation method thereof Download PDFInfo
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- CN117004147A CN117004147A CN202311043494.7A CN202311043494A CN117004147A CN 117004147 A CN117004147 A CN 117004147A CN 202311043494 A CN202311043494 A CN 202311043494A CN 117004147 A CN117004147 A CN 117004147A
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- slag
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- 238000003490 calendering Methods 0.000 title claims abstract description 65
- 239000000463 material Substances 0.000 title claims abstract description 64
- 239000011159 matrix material Substances 0.000 title claims abstract description 54
- 239000002910 solid waste Substances 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 239000002893 slag Substances 0.000 claims abstract description 134
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 75
- 239000000843 powder Substances 0.000 claims abstract description 75
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 74
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 66
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000003381 stabilizer Substances 0.000 claims abstract description 36
- 229920003023 plastic Polymers 0.000 claims abstract description 27
- 239000004033 plastic Substances 0.000 claims abstract description 27
- 239000004014 plasticizer Substances 0.000 claims abstract description 25
- 238000000227 grinding Methods 0.000 claims abstract description 24
- PYLLWONICXJARP-UHFFFAOYSA-N manganese silicon Chemical compound [Si].[Mn] PYLLWONICXJARP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000002243 precursor Substances 0.000 claims description 22
- 239000000126 substance Substances 0.000 claims description 20
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 15
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 14
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 11
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 claims description 11
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical group CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 11
- 238000007731 hot pressing Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 229910000720 Silicomanganese Inorganic materials 0.000 abstract description 37
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract description 16
- 239000004408 titanium dioxide Substances 0.000 abstract description 6
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 229910010413 TiO 2 Inorganic materials 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 3
- 239000001038 titanium pigment Substances 0.000 description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000007900 aqueous suspension Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052882 wollastonite Inorganic materials 0.000 description 2
- 239000010456 wollastonite Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K11/00—Use of ingredients of unknown constitution, e.g. undefined reaction products
- C08K11/005—Waste materials, e.g. treated or untreated sewage sludge
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2206—Oxides; Hydroxides of metals of calcium, strontium or barium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a solid waste-based PVC (polyvinyl chloride) calendered film matrix wear-resistant material and a preparation method thereof, belonging to the field of calendered film matrix materials. The PVC calendered film matrix wear-resistant material is prepared from general plastic, plasticizer, stabilizer, lithium slag superfine powder, silicon-manganese slag superfine powder and the like. The lithium slag superfine powder is prepared by grinding lithium slag to 2000-2500 meshes through a superfine tire vertical mill. The ultrafine powder of the silicomanganese slag is prepared by grinding the silicomanganese slag to 2000-2500 meshes through an ultrafine tire vertical mill. The invention solves the industrial bottleneck that the price of the PVC calendaring film matrix material produced by adopting titanium dioxide is high and the primary resource consumption is large; the high temperature resistance, the wear resistance and the weather resistance of the PVC calendered film matrix material are required to be improved; the materials can only be processed to the fineness of 450 meshes by utilizing the conical vertical mill and the common tire vertical mill. Meanwhile, the invention takes solid wastes such as lithium slag superfine powder, silicon-manganese slag superfine powder and the like as raw materials, and meets the current industrial development requirements of energy conservation, environmental protection and recycling economy.
Description
Technical Field
The invention belongs to the field of calendered film matrix materials, and particularly relates to a solid waste-based PVC calendered film matrix wear-resistant material and a preparation method thereof.
Background
Polyvinyl chloride (PVC) calendered films are generally produced by a calendering process in which heated polyvinyl chloride plastic is passed through the gap of one or more pairs of counter-rotating horizontal rollers to subject the material to extrusion and stretching to form a thin product of a certain thickness, width and surface smoothness. Titanium dioxide is the most commonly used filler in PVC calendaring formulations. However, the continuous rising of the price of titanium dioxide leads to a great increase in the production cost of PVC calendered films.
Because the lithium slag and the silicon-manganese slag are solid wastes, wherein the SiO of the lithium slag and the silicon-manganese slag 2 、Al 2 O 3 The content of MnO in the silicon-manganese slag is more than 10%, and the silicon-manganese slag has better wear resistance than common silicate materials (such as steel slag, blast furnace slag and the like). If the superfine tire vertical mill (also called as superfine roller milling) can be utilized to form lithium slag superfine powder and silicon manganese slag superfine powder to replace titanium dioxide, the utilization added value of the lithium slag and the silicon manganese slag can be improved, the production cost of the PVC calendered film base material can be reduced, and the related performance can be further improved.
Disclosure of Invention
To solve the problems of adopting titanium dioxide (TiO 2 ) The production of PVC calendered film matrix material has the industry bottleneck of high price and large primary resource consumption; the high temperature resistance, the wear resistance and the weather resistance of the PVC calendered film matrix material are required to be improved; the materials can only be processed to have fineness of 450 meshes and specific surface area of 500m by utilizing a conical vertical mill and a common tire vertical mill 2 Technical limitation of/kg. The invention utilizes a superfine tire vertical mill (also called as 'superfine roller milling') to form superfine powder of 2000-2500 meshes of lithium slag and superfine powder of 2000-2500 meshes of silicomanganese slag, and then prepares a wear-resistant material of a solid waste base PVC calendered film substrate with general plastics, plasticizers and stabilizers, so as to solve the problems.
In order to solve the technical problems, the invention is realized by the following technical scheme.
The invention provides a solid waste-based PVC (polyvinyl chloride) calendered film matrix wear-resistant material, which comprises the following raw materials in percentage by weight:
the general plastic is polyvinyl chloride.
The lithium slag superfine powder is prepared by grinding lithium slag into 2000-2500 mesh lithium slag superfine powder by a superfine tire vertical mill (also called as superfine roller mill), and the main chemical components of the lithium slag are as follows: al (Al) 2 O 3 19.12% of SiO 2 50.36% of Fe 2 O 3 1.71%, caO 8.60%, mgO 7.25%, K 2 O is 2.90%, na 2 O is 2.88%, tiO 2 0.09%, 0.03% ZnO and P 2 O 5 0.21% SO 3 6.15%, li 0.17%, other 0.53%, and SiO 2 The content is more than 48 percent, al 2 O 3 The content is more than 18 percent.
The superfine powder of the silicomanganese slag is prepared by grinding the silicomanganese slag into superfine powder of 2000-2500 meshes by a superfine tire vertical mill (also called as superfine roller mill), and the main chemical components of the silicomanganese slag are as follows: siO (SiO) 2 38.73% of Al 2 O 3 22.31%, mnO 10.47%, fe 2 O 3 0.41%, 17.41% CaO, 4.25% MgO, tiO 2 0.24% of K 2 O is 3.07%, SO 3 1.22% of Na 2 O is 0.79%, baO is 0.41%, others are 0.69%, and SiO 2 The content is more than 35 percent, al 2 O 3 The content is more than 20 percent, and the MnO content is more than 10 percent.
The plasticizer is dioctyl phthalate.
The stabilizer is CT303TX liquid calcium zinc stabilizer.
The invention also provides a preparation method of the solid waste base PVC calendered film matrix wear-resistant material, which specifically comprises the following steps:
premixing general plastic, plasticizer, stabilizer, lithium slag superfine powder and silicon manganese slag superfine powder in a high-speed mixer for 15-30 min; mixing in a double-roll mill with the front and back roll temperature of 150-175 ℃ and the roll spacing of 1mm for 10-20 min to obtain a precursor of the wear-resistant material of the solid waste base PVC calendered film matrix; and then hot-pressing the precursor of the solid waste-based PVC calendered film matrix wear-resistant material on a hydraulic flat press at 180-200 ℃ for 15-30 min to obtain the solid waste-based PVC calendered film matrix wear-resistant material.
The innovation of the invention is as follows:
(1) The superfine powder of 2000-2500 mesh lithium slag and 2000-2500 mesh silicomanganese slag is produced with superfine tyre grinding and has the shape of gravel, such as prismatic, sub-prismatic and sub-circular, and superfine wollastonite. Not only break through the common tire vertical mill (also called as common roller mill) powder and powder can only reach the fineness of 450 meshes and the specific surface area of 500m 2 Technical barrier/kg.
(2) SiO of lithium slag, silicon-manganese slag 2 、Al 2 O 3 The high-silicon high-aluminum solid waste has the property of superfine wollastonite after being ground by a superfine tire vertical mill (also called as superfine roller grinding), and can partially replace titanium pigment; meanwhile, the lithium slag and the silicon-manganese slag all contain higher Al 2 O 3 Has the characteristic of high temperature resistance, and can improve the high temperature resistance of the PVC calendered film matrix material. The lithium slag and the silicon-manganese slag contain higher SiO 2 And the MnO content in the silicomanganese slag is more than 10%, so that the silicomanganese slag has better wear resistance than common silicate materials (such as steel slag, blast furnace slag and the like), and the related performance of the PVC calendered film base material can be improved.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention solves the problems of adopting titanium dioxide (TiO 2 ) The production of PVC calendered film matrix material has the industry bottleneck of high price and large primary resource consumption; the high temperature resistance, the wear resistance and the weather resistance of the PVC calendered film matrix material are required to be improved; by using conical vertical mill and common millThe material can only be processed to the fineness of 450 meshes and the specific surface area of only 500m by a tire vertical mill 2 Technical limitation of/kg.
2. The invention utilizes a superfine tire vertical mill (also called as 'superfine roller milling') to form superfine powder of 2000-2500 meshes of lithium slag and superfine powder of 2000-2500 meshes of silicomanganese slag, and then prepares the solid waste base PVC calendered film matrix wear-resistant material with general plastics, plasticizers and stabilizers, thereby meeting the current industrial development requirements of energy conservation, environmental protection and recycling economy.
Detailed Description
The present invention is described in detail below with reference to specific examples, but the present invention is not limited to the following examples.
Example 1
Taking 100g of the product of the invention as an example, the components and the mass ratio thereof are as follows:
the general plastic is polyvinyl chloride.
The plasticizer is dioctyl phthalate.
The stabilizer is CT303TX liquid calcium zinc stabilizer.
The lithium slag superfine powder is prepared by grinding lithium slag into 2000-mesh lithium slag superfine powder by a superfine tire vertical mill (also called as superfine roller mill), and the main chemical components of the lithium slag are as follows: al (Al) 2 O 3 19.12% of SiO 2 50.36% of Fe 2 O 3 1.71%, caO 8.60%, mgO 7.25%, K 2 O is 2.90%, na 2 O is 2.88%, tiO 2 0.09%, 0.03% ZnO and P 2 O 5 0.21% SO 3 6.15%, 0.17% Li, and 0.53% others.
The superfine powder of the silicomanganese slag is prepared by grinding the silicomanganese slag into superfine powder of 2000 meshes by a superfine tire vertical mill (also called as superfine roller mill), and the main chemical components of the silicomanganese slag are as follows: siO (SiO) 2 38.73% of Al 2 O 3 22.31%, mnO 10.47%, fe 2 O 3 0.41 percent,17.41 percent of CaO, 4.25 percent of MgO and TiO 2 0.24% of K 2 O is 3.07%, SO 3 1.22% of Na 2 0.79% O, 0.41% BaO, and 0.69% others.
Premixing general plastic, plasticizer, stabilizer, lithium slag superfine powder and silicon manganese slag superfine powder in a high-speed mixer for 15min; and (3) mixing the materials for 20 minutes in a double-roll open mill with the front and back roll temperature of 150 ℃ and the roll spacing of 1mm to obtain the precursor of the solid waste base PVC calendered film matrix wear-resistant material. And hot-pressing the precursor of the solid waste-based PVC calendered film matrix wear-resistant material on a hydraulic plate press at 195 ℃ for 20min to obtain the solid waste-based PVC calendered film matrix wear-resistant material.
Example 2
Taking 100g of the product of the invention as an example, the components and the mass ratio thereof are as follows:
the general plastic is polyvinyl chloride.
The plasticizer is dioctyl phthalate.
The stabilizer is CT303TX liquid calcium zinc stabilizer.
The lithium slag superfine powder is prepared by grinding lithium slag into 2100 meshes of lithium slag superfine powder by a superfine tire vertical mill (also called as superfine roller mill), and the main chemical components of the lithium slag are as follows: al (Al) 2 O 3 19.12% of SiO 2 50.36% of Fe 2 O 3 1.71%, caO 8.60%, mgO 7.25%, K 2 O is 2.90%, na 2 O is 2.88%, tiO 2 0.09%, 0.03% ZnO and P 2 O 5 0.21% SO 3 6.15%, 0.17% Li, and 0.53% others.
The superfine powder of the silicomanganese slag is prepared by grinding the silicomanganese slag into 2200-mesh silicomanganese slag superfine powder by a superfine tire vertical mill (also called as superfine roller mill), and the main chemical components of the silicomanganese slag are as follows: siO (SiO) 2 38.73% of Al 2 O 3 22.31%, mnO 10.47%, fe 2 O 3 0.41%17.41% CaO, 4.25% MgO and TiO 2 0.24% of K 2 O is 3.07%, SO 3 1.22% of Na 2 0.79% O, 0.41% BaO, and 0.69% others.
Premixing general plastic, plasticizer, stabilizer, lithium slag superfine powder and silicon manganese slag superfine powder in a high-speed mixer for 30min; and (3) mixing the raw materials for 10 minutes in a double-roll open mill with the front and back roll temperature of 175 ℃ and the roll spacing of 1mm to obtain the precursor of the solid waste base PVC calendered film matrix wear-resistant material. And hot-pressing the precursor of the solid waste-based PVC calendered film matrix wear-resistant material on a hydraulic plate press at 190 ℃ for 25min to obtain the solid waste-based PVC calendered film matrix wear-resistant material.
Example 3
Taking 100g of the product of the invention as an example, the components and the mass ratio thereof are as follows:
the general plastic is polyvinyl chloride.
The plasticizer is dioctyl phthalate.
The stabilizer is CT303TX liquid calcium zinc stabilizer.
The lithium slag superfine powder is prepared by grinding the lithium slag into 2200-mesh lithium slag superfine powder by a superfine tire vertical mill (also called as superfine roller mill), and the main chemical components of the lithium slag are as follows: al (Al) 2 O 3 19.12% of SiO 2 50.36% of Fe 2 O 3 1.71%, caO 8.60%, mgO 7.25%, K 2 O is 2.90%, na 2 O is 2.88%, tiO 2 0.09%, 0.03% ZnO and P 2 O 5 0.21% SO 3 6.15%, li 17% and 0.53% of the other.
The superfine powder of the silicomanganese slag is prepared by grinding the silicomanganese slag into 2100 meshes of superfine powder of the silicomanganese slag by a superfine tire vertical mill (also called as superfine roller mill), and the main chemical components of the silicomanganese slag are as follows: siO (SiO) 2 38.73% of Al 2 O 3 22.31%, mnO 10.47%, fe 2 O 3 Is 0.41%, caO 17.41%, mgO 4.25%, tiO 2 0.24% of K 2 O is 3.07%, SO 3 1.22% of Na 2 0.79% O, 0.41% BaO, and 0.69% others.
Premixing general plastic, plasticizer, stabilizer, lithium slag superfine powder and silicon manganese slag superfine powder in a high-speed mixer for 25min; and (3) mixing the raw materials in a double-roll open mill with the front and back roll temperature of 155 ℃ and the roll spacing of 1mm for 15min to obtain the precursor of the solid waste base PVC calendered film matrix wear-resistant material. And hot-pressing the precursor of the solid waste-based PVC calendered film matrix wear-resistant material on a hydraulic plate press at 200 ℃ for 30min to obtain the solid waste-based PVC calendered film matrix wear-resistant material.
Example 4
Taking 100g of the product of the invention as an example, the components and the mass ratio thereof are as follows:
the general plastic is polyvinyl chloride.
The plasticizer is dioctyl phthalate.
The stabilizer is CT303TX liquid calcium zinc stabilizer.
The lithium slag superfine powder is prepared by grinding lithium slag into 2500 mesh lithium slag superfine powder by a superfine tire vertical mill (also called as superfine roller mill), and the main chemical components of the lithium slag are as follows: al (Al) 2 O 3 19.12% of SiO 2 50.36% of Fe 2 O 3 1.71%, caO 8.60%, mgO 7.25%, K 2 O is 2.90%, na 2 O is 2.88%, tiO 2 0.09%, 0.03% ZnO and P 2 O 5 0.21% SO 3 6.15%, 0.17% Li, and 0.53% others.
The superfine powder of the silicomanganese slag is prepared by grinding the silicomanganese slag into 2500 mesh silicomanganese slag superfine powder by a superfine tire vertical mill (also called as superfine roller mill), and the main chemical components of the silicomanganese slag are as follows: siO (SiO) 2 38.73% of Al 2 O 3 22.31%, mnO 10.47%, fe 2 O 3 0.41%, 17.41% CaO, 4.25% MgO, tiO 2 0.24% of K 2 O is 3.07%, SO 3 1.22% of Na 2 0.79% O, 0.41% BaO, and 0.69% others.
Premixing general plastic, plasticizer, stabilizer, lithium slag superfine powder and silicon manganese slag superfine powder in a high-speed mixer for 20min; and (3) mixing the materials for 20 minutes in a double-roll open mill with the front and back roll temperature of 165 ℃ and the roll spacing of 1mm to obtain the precursor of the solid waste base PVC calendered film matrix wear-resistant material. And hot-pressing the precursor of the solid waste-based PVC calendered film matrix wear-resistant material on a hydraulic plate press at 180 ℃ for 15min to obtain the solid waste-based PVC calendered film matrix wear-resistant material.
Example 5
Taking 100g of the product of the invention as an example, the components and the mass ratio thereof are as follows:
the general plastic is polyvinyl chloride.
The plasticizer is dioctyl phthalate.
The stabilizer is CT303TX liquid calcium zinc stabilizer.
The lithium slag superfine powder is prepared by grinding lithium slag into 2300 mesh lithium slag superfine powder by a superfine tire vertical mill (also called as superfine roller mill), and the main chemical components of the lithium slag are as follows: al (Al) 2 O 3 19.12% of SiO 2 50.36% of Fe 2 O 3 1.71%, caO 8.60%, mgO 7.25%, K 2 O is 2.90%, na 2 O is 2.88%, tiO 2 0.09%, 0.03% ZnO and P 2 O 5 0.21% SO 3 6.15%, 0.17% Li, and 0.53% others.
The superfine powder of the silicomanganese slag is prepared by grinding the silicomanganese slag into 2400 mesh silicomanganese slag superfine powder by a superfine tire vertical mill (also called as superfine roller mill), and the main chemical components of the silicomanganese slag are as follows: siO (SiO) 2 38.73% of Al 2 O 3 22.31%, mnO 10.47%, fe 2 O 3 0.41%, 17.41% CaO, 4.25% MgO, tiO 2 0.24% of K 2 O is 3.07%, SO 3 1.22% of Na 2 0.79% O, 0.41% BaO, and 0.69% others.
Premixing general plastic, plasticizer, stabilizer, lithium slag superfine powder and silicon manganese slag superfine powder in a high-speed mixer for 25min; and (3) mixing the raw materials for 10 minutes in a double-roll open mill with the front and back roll temperature of 170 ℃ and the roll spacing of 1mm to obtain the precursor of the solid waste base PVC calendered film matrix wear-resistant material. And hot-pressing the precursor of the solid waste-based PVC calendered film matrix wear-resistant material on a hydraulic plate press at 185 ℃ for 25min to obtain the solid waste-based PVC calendered film matrix wear-resistant material.
Example 6
Taking 100g of the product of the invention as an example, the components and the mass ratio thereof are as follows:
the general plastic is polyvinyl chloride.
The plasticizer is dioctyl phthalate.
The stabilizer is CT303TX liquid calcium zinc stabilizer.
The lithium slag superfine powder is prepared by grinding lithium slag into 2400-mesh lithium slag superfine powder by a superfine tire vertical mill (also called as superfine roller mill), and the main chemical components of the lithium slag are as follows: al (Al) 2 O 3 19.12% of SiO 2 50.36% of Fe 2 O 3 1.71%, caO 8.60%, mgO 7.25%, K 2 O is 2.90%, na 2 O is 2.88%, tiO 2 0.09%, 0.03% ZnO and P 2 O 5 0.21% SO 3 6.15%, 0.17% Li, and 0.53% others.
The superfine powder of the silicomanganese slag is prepared by grinding the silicomanganese slag into 2300 mesh silicomanganese slag superfine powder by a superfine tire vertical mill (also called as superfine roller mill), and the main chemical components of the silicomanganese slag are as follows: siO (SiO) 2 38.73% of Al 2 O 3 22.31%, mnO 10.47%, fe 2 O 3 0.41%, 17.41% CaO, 4.25% MgO, tiO 2 0.24% of K 2 O is 3.07%, SO 3 1.22% of Na 2 0.79% O, 0.41% BaO, and 0.69% others.
Premixing general plastic, plasticizer, stabilizer, lithium slag superfine powder and silicon manganese slag superfine powder in a high-speed mixer for 20min; and (3) mixing the materials in a double-roll open mill with the front and back roll temperature of 160 ℃ and the roll spacing of 1mm for 15min to obtain the precursor of the solid waste base PVC calendered film matrix wear-resistant material. And hot-pressing the precursor of the solid waste-based PVC calendered film matrix wear-resistant material on a hydraulic plate press at 190 ℃ for 20min to obtain the solid waste-based PVC calendered film matrix wear-resistant material.
Comparative example 1
Taking 100g of the product of the invention as an example, the components and the mass ratio thereof are as follows:
the general plastic is polyvinyl chloride.
The plasticizer is dioctyl phthalate.
The stabilizer is CT303TX liquid calcium zinc stabilizer.
The particle size of the titanium dioxide is 1.0 mu m, and the rutile type TiO 2 The content was 98%, the oil absorption was 20g/100g, and the pH of the aqueous suspension was 8.
The superfine powder of the silicomanganese slag is prepared by grinding the silicomanganese slag into 2300 mesh silicomanganese slag superfine powder by a superfine tire vertical mill (also called as superfine roller mill), and the main chemical components of the silicomanganese slag are as follows: siO (SiO) 2 38.73% of Al 2 O 3 22.31%, mnO 10.47%, fe 2 O 3 0.41%, 17.41% CaO, 4.25% MgO, tiO 2 0.24% of K 2 O is 3.07%, SO 3 1.22% of Na 2 0.79% O, 0.41% BaO, and 0.69% others.
Premixing general plastic, plasticizer, stabilizer, titanium pigment and silicon-manganese slag superfine powder in a high-speed mixer for 20min; and (3) mixing the materials in a double-roll open mill with the front and back roll temperature of 160 ℃ and the roll spacing of 1mm for 15min to obtain the precursor of the solid waste base PVC calendered film matrix wear-resistant material. And hot-pressing the precursor of the solid waste-based PVC calendered film matrix wear-resistant material on a hydraulic plate press at 190 ℃ for 20min to obtain the solid waste-based PVC calendered film matrix wear-resistant material.
Comparative example 2
Taking 100g of the product of the invention as an example, the components and the mass ratio thereof are as follows:
the general plastic is polyvinyl chloride.
The plasticizer is dioctyl phthalate.
The stabilizer is CT303TX liquid calcium zinc stabilizer.
The lithium slag superfine powder is prepared by grinding lithium slag into 2400-mesh lithium slag superfine powder by a superfine tire vertical mill (also called as superfine roller mill), and the main chemical components of the lithium slag are as follows: al (Al) 2 O 3 19.12% of SiO 2 50.36% of Fe 2 O 3 1.71%, caO 8.60%, mgO 7.25%, K 2 O is 2.90%, na 2 O is 2.88%, tiO 2 0.09%, 0.03% ZnO and P 2 O 5 0.21% SO 3 6.15%, 0.17% Li, and 0.53% others.
The steel slag superfine powder is prepared by grinding converter steel slag into 2300 mesh steel slag superfine powder by a superfine tire vertical mill (also called as superfine roller mill), wherein the main chemical components of the converter steel slag are CaO (46.78 percent) and Fe 2 O 3 (24.40％)、SiO 2 (11.06％)、MgO(5.75％)、MnO(2.19％)、P 2 O 5 (0.91％)、Al 2 O 3 (2.30%) and others (6.61%).
Premixing general plastic, plasticizer, stabilizer, lithium slag superfine powder and steel slag superfine powder in a high-speed mixer for 20min; and (3) mixing the materials in a double-roll open mill with the front and back roll temperature of 160 ℃ and the roll spacing of 1mm for 15min to obtain the precursor of the solid waste base PVC calendered film matrix wear-resistant material. And hot-pressing the precursor of the solid waste-based PVC calendered film matrix wear-resistant material on a hydraulic plate press at 190 ℃ for 20min to obtain the solid waste-based PVC calendered film matrix wear-resistant material.
Comparative example 3
Taking 100g of the product of the invention as an example, the components and the mass ratio thereof are as follows:
the general plastic is polyvinyl chloride.
The plasticizer is dioctyl phthalate.
The stabilizer is CT303TX liquid calcium zinc stabilizer.
The particle size of the titanium dioxide is 1.0 mu m, and the rutile type TiO 2 The content was 98%, the oil absorption was 20g/100g, and the pH of the aqueous suspension was 8.
The steel slag superfine powder is prepared by grinding converter steel slag into 2300 mesh steel slag superfine powder by a superfine tire vertical mill (also called as superfine roller mill), wherein the main chemical components of the converter steel slag are CaO (49.90 percent) and Fe 2 O 3 (24.52％)、SiO 2 (11.67％)、MgO(3.94％)、MnO(2.13％)、P 2 O 5 (2.54％)、Al 2 O 3 (2.90%) and others (2.40%).
Premixing general plastic, plasticizer, stabilizer, titanium pigment and steel slag superfine powder in a high-speed mixer for 20min; and (3) mixing the materials in a double-roll open mill with the front and back roll temperature of 160 ℃ and the roll spacing of 1mm for 15min to obtain the precursor of the solid waste base PVC calendered film matrix wear-resistant material. And hot-pressing the precursor of the solid waste-based PVC calendered film matrix wear-resistant material on a hydraulic plate press at 190 ℃ for 20min to obtain the solid waste-based PVC calendered film matrix wear-resistant material.
The solid waste-based PVC calendered film matrix wear-resistant materials prepared in examples 1 to 6 and comparative examples 1 to 3 were subjected to the following performance detection process:
determination of tensile Properties of plastics according to section 1: general rules (GB/T1040.1-2018), and guidelines for abrasion test of vulcanized rubber or thermoplastic rubber (GB/T25262-2010).
TABLE 1 Properties of solid waste based PVC calendered film matrix wear Material
Claims (6)
1. The wear-resistant material for the solid waste-based PVC calendered film substrate is characterized by comprising the following raw materials in percentage by weight:
the general plastic is polyvinyl chloride;
the lithium slag superfine powder is prepared by grinding lithium slag to 2000-2500 mesh superfine powder through a superfine tire vertical mill, and the silicon manganese slag superfine powder is prepared by grinding silicon manganese slag to 2000-2500 mesh superfine powder through a superfine tire vertical mill; and in the lithium slag: siO (SiO) 2 More than 48% by weight of Al 2 O 3 The weight content is more than 18%; the silicon-manganese slag comprises the following components: siO2 content of more than 35% by weight, al 2 O 3 The weight content of MnO is more than 20% and the weight content of MnO is more than 10%.
2. The solid waste-based PVC calendered film matrix wear-resistant material as claimed in claim 1, wherein the lithium slag comprises the following chemical components in percentage by weight: al (Al) 2 O 3 19.12% of SiO 2 50.36% of Fe 2 O 3 1.71%, caO 8.60%, mgO 7.25%, K 2 O is 2.90%, na 2 O is 2.88%, tiO 2 0.09%, 0.03% ZnO and P 2 O 5 0.21% SO 3 6.15%, 0.17% Li, and 0.53% others.
3. A solid waste-based PVC calendered film substrate wear resistant material as in claim 1, whichIs characterized in that the silicon-manganese slag comprises the following chemical components in percentage by weight: siO (SiO) 2 38.73% of Al 2 O 3 22.31%, mnO 10.47%, fe 2 O 3 0.41%, 17.41% CaO, 4.25% MgO, tiO 2 0.24% of K 2 O is 3.07%, SO 3 1.22% of Na 2 0.79% O, 0.41% BaO, and 0.69% others.
4. The wear resistant solid waste-based PVC calendered film substrate material of claim 1 wherein the plasticizer is dioctyl phthalate.
5. A solid waste based PVC calendered film substrate wear resistant material as in claim 1 wherein the stabilizer is CT303TX liquid calcium zinc stabilizer.
6. A method for preparing the solid waste-based PVC calendered film matrix wear-resistant material according to claim 1, comprising the steps of:
premixing general plastic, plasticizer, stabilizer, lithium slag superfine powder and silicon manganese slag superfine powder in a high-speed mixer for 15-30 min; mixing in a double-roll mill with the front and back roll temperature of 150-175 ℃ and the roll spacing of 1mm for 10-20 min to obtain a precursor of the wear-resistant material of the solid waste base PVC calendered film matrix; and then hot-pressing the precursor of the solid waste-based PVC calendered film matrix wear-resistant material on a hydraulic flat press at 180-200 ℃ for 15-30 min to obtain the solid waste-based PVC calendered film matrix wear-resistant material.
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