CN114316617A - Fiber-plastic section outdoor floor and preparation method thereof - Google Patents
Fiber-plastic section outdoor floor and preparation method thereof Download PDFInfo
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- CN114316617A CN114316617A CN202111006392.9A CN202111006392A CN114316617A CN 114316617 A CN114316617 A CN 114316617A CN 202111006392 A CN202111006392 A CN 202111006392A CN 114316617 A CN114316617 A CN 114316617A
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Abstract
The invention discloses a fiber-plastic section outdoor floor and a preparation method thereof, and belongs to the technical field of composite materials. The fiber-plastic outdoor floor provided by the invention takes the fiber-plastic composite material made of waste textile fabrics and waste plastics as the raw material, the cost is low, the environment is protected, the waste textile fabrics and the waste plastics are recycled, and the fiber-plastic composite material used by the fiber-plastic outdoor floor provided by the invention has better mechanical property than the single component.
Description
Technical Field
The invention belongs to the technical field of composite materials, and particularly relates to a fiber-plastic section outdoor floor and a preparation method thereof.
Background
The plastic material is used to make the floor to replace the natural wood, so as to reduce the damage to the natural environment, which is the trend of the development of the floor products. Conventional plastic flooring usually uses Polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), etc. as a base material.
However, plastics are not easily degraded, and the problem of environmental pollution cannot be fundamentally solved by using plastic materials to replace natural wood for a long time, so that a more environment-friendly material is required to replace natural wood to manufacture the floor.
The utilization method of the waste textiles in China is mainly divided into 3 types, firstly, the waste textiles are physically recycled and are mechanically decomposed into fibers for recycling, but the waste textiles are difficult to classify, the utilization rate of the recycled fibers is low, a certain proportion of new materials are needed, the obtained regenerated textiles are low in quality, a large amount of non-spinnable fiber dust is generated in the regeneration process, and the environment is polluted; secondly, chemical recovery, namely treating the waste textiles by using a chemical method to obtain monomers to prepare new fibers, wherein a large amount of hazardous wastes are generated in the chemical recovery process, a large amount of carbon dioxide is discharged in the regeneration process, the equipment investment is large, the production cost is high, the conversion rate of the carbon dioxide used as a resource is low, so that the economic benefit is poor, the high-purity raw material source is limited, and the popularization is difficult in terms of resource utilization, environmental load and economy; and thirdly, energy recovery, namely directly burning the waste textiles to convert the waste textiles into heat energy, but the heat energy recovery rate is low, the waste of the textiles is serious, a large amount of carbon dioxide is discharged, and harmful gases such as dioxin and the like can be generated. The comprehensive utilization rate of domestic waste textiles is lower than 20%, so that an efficient value-added recycling method for waste textiles is urgently needed.
Disclosure of Invention
The invention provides an outdoor bottom plate made of fiber-plastic composite materials and a preparation method thereof, aiming at overcoming the defects that floor materials used in the prior art are not green enough and environment-friendly and poor in utilization rate of waste textiles.
The technical scheme adopted by the invention is as follows:
the invention provides a fiber-plastic section outdoor floor, wherein the raw material of the outdoor floor comprises a fiber-plastic composite material;
the preparation method of the fiber-plastic composite material comprises the following steps:
s1: crushing, opening, removing impurities and carding the textile fabric in the interweaving state to obtain treated textile fiber; the textile can be woven fabric, knitted fabric or non-woven fabric, and the treated textile fiber is uniform and completely separated single fiber or fiber in a yarn structure;
s2: reducing the volume of the treated textile fiber and plastic, and mixing to obtain a fiber-plastic mixture, wherein the fiber-plastic mixture is in a block shape;
s3: dispersing the fibers in the fiber-plastic mixture in the plastic and forming an interface to obtain a crude fiber-plastic compound;
s4: granulating and cooling the crude fiber-plastic composite to obtain the fiber-plastic composite material.
In one embodiment of the invention, the outdoor floor is composed of the following raw materials in parts by mass:
65-80 parts of fiber-plastic composite material, 20-35 parts of elastic composite material and 0.3-1.5 parts of anti-aging material.
In one embodiment of the invention, the elastic composite material is at least one of POE, PVC, EVA, SBR, EMA and EPDM.
In one embodiment of the present invention, the anti-aging material is a mixture of an antioxidant and an ultraviolet absorber; the antioxidant is at least one of phosphite antioxidant, hindered phenol antioxidant, thioester antioxidant and composite antioxidant; the ultraviolet absorbent is at least one of benzophenone ultraviolet absorbent, benzotriazole ultraviolet absorbent and benzoic acid ultraviolet absorbent.
In one embodiment of the invention, the volume ratio of the antioxidant to the ultraviolet absorber in the anti-aging material is 1-3: 1.
In one embodiment of the invention, the opening is to break up the textile fabric into a fluffy state, so that the volume of the finally treated textile fiber is enlarged by 2-6 times compared with the textile fabric.
In one embodiment of the invention, the opening times are 2-5 times, and the carding times are 1-3 times.
In one embodiment of the invention, in step S2, the mixing is performed by screw mixing and extruding the treated textile fiber and plastic at 150-200 ℃ and 30-150 r/min, and the fiber-plastic mixture is obtained after volume reductionThe density of the composition is 1050-1300 kg/m3。
In one embodiment of the invention, in step S3, the dispersion is banburying under the conditions of no oxygen and 150-200 ℃, the rotor speed of the banburying is 30-60 r/min, the differential ratio is 0.8-1.2, and the time is 5-20 min.
In one embodiment of the present invention, in step S4, the granulating and cooling are cone double extrusion and water cooling or biaxial tearing and air cooling, and the obtained fiber-plastic composite material has a particle size of 2-6 mm and a surface temperature of 80 ℃ or lower.
In one embodiment of the present invention, in step S1, the removing is to remove metal fragments and particles from the textile fabric by using gravity, sieving, air flow sorting, and the like.
In one embodiment of the present invention, a cooling step of cooling the fiber-plastic mixture to 120 to 150 ℃ is further included between steps S2 and S3.
In one embodiment of the present invention, the textile fabric in step S1 is new material, recycled material or a composite, a blended material or a mixture of the new material and the recycled material, the new material includes one or more of chemical fiber, plant fiber and animal fiber, the blended material or the mixture, and the recycled material includes old clothes or leftover materials generated in the textile processing process.
In one embodiment of the present invention, the plastic in step S2 is at least one of PE, PP, PVC, PS and ABS.
In one embodiment of the invention, the mass ratio of the treated textile fibers to the plastic is 1: 0.4-0.8.
In one embodiment of the invention, in step S2, when the processed fiber and plastic are mixed, the method further includes adding auxiliary materials in an amount of 10-20% of the total mass of the fiber and the plastic, where the auxiliary materials include fillers, wood materials, and compatible, lubricating and dispersing aids.
In one embodiment of the present invention, the wood-based material includes at least one of wood flour, rice hulls, and straw.
In one embodiment of the invention, the filler comprises at least one of limestone, talc powder, fly ash, construction waste crushing, slag, and electronic circuit board crushing.
In one embodiment of the present invention, the auxiliary agent comprises at least one of mineral oil, vegetable oil, stearic acid and its derivatives, degraded polyolefin wax, antioxidant and ultraviolet absorber.
The invention also provides a method for preparing the fiber-plastic section outdoor floor, which comprises the following steps:
s1: crushing, opening, removing impurities and carding the textile fabric in the interweaving state to obtain treated textile fiber;
s2: reducing the volume of the treated textile fiber and plastic, and mixing to obtain a fiber-plastic mixture;
s3: dispersing the fibers in the fiber-plastic mixture in the plastic and forming an interface to obtain a crude fiber-plastic compound;
s4: granulating and cooling the crude fiber-plastic composite to obtain a fiber-plastic composite material;
s5: and mixing the fiber-plastic composite material, the elastic composite material and the anti-aging material, and then carrying out melt extrusion to obtain the fiber-plastic section outdoor floor.
In one embodiment of the invention, the opening is to break up the textile fabric into a fluffy state, so that the volume of the finally treated textile fiber is enlarged by 2-6 times compared with the textile fabric.
In one embodiment of the invention, the opening times are 2-5 times, and the carding times are 1-3 times.
In one embodiment of the invention, in the step S2, the mixing is performed by screw mixing and extruding the treated textile fiber and plastic at 150-200 ℃ and 30-150 r/min, and the density of the fiber-plastic mixture obtained after volume reduction is 1050-1300 kg/m3。
In one embodiment of the invention, in step S3, the dispersion is banburying under the conditions of no oxygen and 150-200 ℃, the rotor speed of the banburying is 30-60 r/min, the differential ratio is 0.8-1.2, and the time is 5-20 min.
In one embodiment of the present invention, in step S4, the granulating and cooling are cone double extrusion and water cooling or biaxial tearing and air cooling, and the obtained fiber-plastic composite material has a particle size of 2-6 mm and a surface temperature of 80 ℃ or lower.
In one embodiment of the present invention, in step S5, the melt extrusion is performed by screw extrusion of the mixed fiber-plastic composite material, elastic composite material, filler material and anti-aging material at 150-200 ℃ and 30-150 r/min.
In one embodiment of the present invention, in step S1, the removing is to remove metal fragments and particles from the textile fabric by using gravity, sieving, air flow sorting, and the like.
In one embodiment of the present invention, a cooling step of cooling the fiber-plastic mixture to 120 to 150 ℃ is further included between steps S2 and S3.
In one embodiment of the present invention, the textile fabric in step S1 is new material, recycled material or a composite, a blended material or a mixture of the new material and the recycled material, the new material includes one or more of chemical fiber, plant fiber and animal fiber, the blended material or the mixture, and the recycled material includes old clothes or leftover materials generated in the textile processing process.
In one embodiment of the present invention, the plastic in step S2 is at least one of PE, PP, PVC, PS and ABS.
In one embodiment of the invention, the mass ratio of the treated textile fibers to the plastic is 1: 0.4-0.8.
In one embodiment of the invention, in step S2, when the processed fiber and plastic are mixed, the method further includes adding auxiliary materials in an amount of 10-20% of the total mass of the fiber and the plastic, where the auxiliary materials include fillers, wood materials, and compatible, lubricating and dispersing aids.
In one embodiment of the present invention, the wood-based material includes at least one of wood flour, rice hulls, and straw.
In one embodiment of the invention, the filler comprises at least one of limestone, talc powder, fly ash, construction waste crushing, slag, and electronic circuit board crushing.
In one embodiment of the present invention, the auxiliary agent comprises at least one of mineral oil, vegetable oil, stearic acid and its derivatives, degraded polyolefin wax, antioxidant and ultraviolet absorber.
The technical scheme of the invention has the following advantages:
(1) the fiber-plastic outdoor floor provided by the invention takes the fiber-plastic composite material made of waste textile fabrics and waste plastics as the raw material, the cost is low, the environment is protected, the waste textile fabrics and the waste plastics are recycled, and the fiber-plastic composite material used by the fiber-plastic outdoor floor provided by the invention has better mechanical property than the single component.
Specifically, the fiber-plastic outdoor floor provided by the invention has some good characteristics of the traditional wood-plastic outdoor bottom plate, including: the material has the advantages of good physical and mechanical properties, pressure resistance, deformation resistance, high hardness, wear resistance, good chemical stability, no damage by worms, no fungi growth, acid and alkali resistance, corrosion resistance, no toxicity, no pollution, no radiation, VOCs gas release and absorption, accordance with the national standard, large-scale production and good machinability; the fiber-plastic outdoor floor provided by the invention is better than the traditional wood-plastic outdoor bottom plate in many aspects, and comprises the following components: the novel nail has the advantages of environmental protection, good creep resistance, good toughness, elasticity, good use comfort, strong impact resistance, good nail holding power, good crack resistance, small thermal expansion and cold shrinkage, difficult deformation, light weight and easier production.
(2) The preparation method of the fiber-plastic section outdoor floor provided by the invention adds the step of opening before removing impurities from the textile, which avoids uneven feeding caused by forced feeding in the prior art,
(3) because the textile fiber, the straw and other herbal fibers are thinner, softer and flexible, the volume reduction step of the preparation method of the outdoor floor of the fiber-plastic section can prevent the problem that the fiber reinforcement effect is not obvious due to the fact that the fiber reinforcement effect is not generated due to the fact that the fiber reinforcement effect is not uniformly dispersed in plastic and a fiber-plastic interface is not easily formed, and meanwhile, the production efficiency is improved, so that the whole scheme is more suitable for industrial production; the subsequent banburying leads the fiber to be dispersed in the plastic in a yarn or fiber shape, has certain orientation and forms a fiber-plastic interface coated by the plastic.
(4) The preparation method of the fiber-plastic section outdoor floor provided by the invention directly increases the cooling step, protects the easily carbonized textile fibers such as cotton and hemp, and prevents the carbonization or spontaneous combustion phenomenon; the cooling between the steps S2 and S3 ensures that sufficient banburying time exists in the step S3, so that the fibers are fully dispersed in the plastic matrix and a good fiber-plastic interface is formed; and meanwhile, the cooling step prevents the aggregation and adhesion of materials, so that the burden is caused on the subsequent steps and the performance of the prepared composite material is influenced.
(5) The preparation method of the fiber-plastic section outdoor floor provided by the invention is simple and easy, is convenient for large-scale industrial production, is environment-friendly and energy-saving in raw materials, and the prepared fiber-plastic composite material has excellent performance and wide application field.
Detailed Description
The following examples are provided to further understand the present invention, not to limit the scope of the present invention, but to provide the best mode, not to limit the content and the protection scope of the present invention, and any product similar or similar to the present invention, which is obtained by combining the present invention with other prior art features, falls within the protection scope of the present invention.
The examples do not show the specific experimental steps or conditions, and can be performed according to the conventional experimental steps described in the literature in the field. The reagents or instruments used are not indicated by manufacturers, and are all conventional reagent products which can be obtained commercially.
The textiles used in examples 1-4 were clothing mill offcuts and recovered uniforms, and the source was "two-net fusion" waste sorting.
The plastic used in examples 1-4 was PE, and the source was "two-network-fused" garbage sorting.
In the auxiliary materials used in the embodiments 1-4, the wood material is waste wood chips of a wood processing factory, and the source is 'two-net fusion' garbage classification and sorting.
The filler used in examples 1 to 4 was conventional commercially available 100 mesh calcium carbonate.
The auxiliary agents used in the embodiments 1 to 4 include conventional commercially available rubber process oil, stearic acid and derivatives thereof, degraded polyolefin wax, antioxidant 1010, and ultraviolet absorbent UV-531, and the specific use auxiliary materials include waste wood chips in mass ratio: calcium carbonate: rubber process oil: stearic acid: degrading the polyolefin wax: antioxidant: the ultraviolet absorbent is 10:5:1:1:1:1: 1.
Example 1: fiber-plastic composite material and preparation method thereof
The embodiment provides a fiber-plastic composite material, and the preparation method comprises the following steps:
(1) crushing the woven fabric, scattering the woven fabric into a fluffy state, repeating the process for 3 times, removing metal fragments and particles in the woven fabric by using airflow separation, and finally carding for 2 times to obtain the treated textile fiber, wherein the volume of the treated textile fiber is 3 times of that of the woven fabric, and the treated textile fiber is uniform and completely separated single fiber or fiber with a yarn structure;
(2) extruding the treated textile fiber, plastic and auxiliary materials by a screw at 200 ℃ and 100r/min, mixing and reducing the volume to obtain a blocky fiber-plastic mixture with the density of 1200kg/m3Then cooling the fiber-plastic mixture to 140 ℃; wherein the weight ratio of the textile fiber, the plastic and the auxiliary material is 1:0.5: 0.2.
(3) Banburying the fiber-plastic mixture under the conditions of no oxygen and 200 ℃ to ensure that fibers are dispersed in plastic and form an interface to obtain a crude fiber-plastic compound, wherein the banburying has a rotor rotating speed of 30r/min, a differential speed ratio of 1.1 and a time of 12 min;
(4) and (3) carrying out cone double extrusion and water cooling on the rough fiber-plastic composite to obtain the fiber-plastic composite material, wherein the particle size is 2-6 mm, and the surface temperature is below 80 ℃.
Example 2: fiber-plastic composite material and preparation method thereof
The embodiment provides a fiber-plastic composite material, and the preparation method comprises the following steps:
(1) crushing the woven fabric, scattering the woven fabric into a fluffy state, repeating the process for 4 times, removing metal fragments and particles in the woven fabric by using airflow separation, and finally carding for 3 times to obtain the treated textile fiber, wherein the volume of the treated textile fiber is 4 times of that of the woven fabric, and the treated textile fiber is uniform and completely separated single fiber or fiber with a yarn structure;
(2) extruding the treated textile fiber, plastic and auxiliary materials by a screw at 180 ℃ and 110r/min, mixing and reducing the volume to obtain a blocky fiber-plastic mixture with the density of 1100kg/m3Then cooling the fiber-plastic mixture to 120 ℃; wherein the weight ratio of the textile fiber, the plastic and the auxiliary material is 1:0.4: 0.15.
(3) Banburying the fiber-plastic mixture at 280 ℃ in the absence of oxygen to enable fibers to be dispersed in plastic and form an interface to obtain a crude fiber-plastic compound, wherein the banburying has a rotor rotating speed of 50r/min, a differential speed ratio of 0.9 and a time of 10 min;
(4) and (3) carrying out cone double extrusion and water cooling on the rough fiber-plastic composite to obtain the fiber-plastic composite material, wherein the particle size is 2-6 mm, and the surface temperature is below 80 ℃.
Example 3: fiber-plastic composite material and preparation method thereof
The embodiment provides a fiber-plastic composite material, and the preparation method comprises the following steps:
(1) crushing the woven fabric, scattering the woven fabric into a fluffy state, repeating for 2 times, sorting and removing metal fragments and particles in the woven fabric by using airflow, and finally carding for 1 time to obtain the treated textile fiber, wherein the volume of the treated textile fiber is 2 times of that of the woven fabric, and the treated textile fiber is a uniform and completely separated fiber and yarn-forming structure;
(2) extruding the treated textile fiber, plastic and auxiliary materials by a screw at 170 ℃ under 100r/min, mixing and reducing the volume to obtain a blocky fiber-plastic mixture with the density of 1200kg/m3Then cooling the fiber-plastic mixture to 140 ℃; wherein the weight ratio of the textile fiber, the plastic and the auxiliary material is 1:0.5: 0.2.
(3) Banburying the fiber-plastic mixture under the conditions of no oxygen and 200 ℃ to ensure that fibers are dispersed in plastic and form an interface to obtain a crude fiber-plastic compound, wherein the banburying has a rotor rotating speed of 40r/min, a differential speed ratio of 1.0 and a time of 5 min;
(4) and (3) carrying out cone double extrusion and water cooling on the rough fiber-plastic composite to obtain the fiber-plastic composite material, wherein the particle size is 2-6 mm, and the surface temperature is below 80 ℃.
Example 4: fiber-plastic composite material and preparation method thereof
This example provides a fiber-plastic composite and a method for making the same, which differs from example 1 in that there is no cooling step for the fiber-plastic mixture.
Comparative example 1: fiber-plastic composite material and preparation method thereof
This comparative example provides a fiber-plastic composite and a method for preparing the same, differing from example 1 in that there is no opening of the textile fibers.
Test example 1: performance testing of fiber-plastic composites
The fiber-plastic composite materials prepared in the examples and comparative examples of the present invention, as well as the PE new material (for injection bottle caps) derived from the Yanshan petrochemical 1300J and the recycled PE of mineral water bottle caps were subjected to performance tests, and the test results are shown in the following table 1:
TABLE 1 Performance test results for examples 1-4 and comparative example materials
| Group of | Tensile Strength (MPa) | Flexural Strength (MPa) | Flexural modulus (MPa) |
| PE new material | 22 | 21 | 1100 |
| Recycled PE | 18 | 18 | 600 |
| Example 1 | 32 | 40 | 3100 |
| Example 2 | 28 | 35 | 2800 |
| Example 3 | 34 | 31 | 2500 |
| Example 4 | 33 | 36 | 2400 |
| Comparative example 1 | 25 | 28 | 2100 |
As can be seen from the above table, the performance effect of each example is obviously higher than that of PE new material and regenerated PE; example 4 lacks a cooling step, the performance of which has little influence, but which seriously affects the preparation efficiency of the material and simultaneously causes potential safety hazard to the whole process; comparative example 1 compared with example 1, the performance of PE virgin stock and PE reclaimed stock is much poorer than that of example 1, but still higher than that of the base body because of the non-opening, uneven feeding, incomplete cloth crushing and non-oriented fiber.
Example 5: fiber-plastic section outdoor floor and preparation method thereof
The embodiment provides a fiber-plastic section outdoor floor which is composed of the following raw materials in parts by mass:
100 parts of fiber-plastic composite material described in example 1.
The preparation method comprises the following steps:
and (3) carrying out screw extrusion on the fiber-plastic composite material described in the embodiment 1 at the temperature of 200 ℃ and at the speed of 100r/min to obtain the fiber-plastic profile outdoor floor.
Example 6: fiber-plastic section outdoor floor and preparation method thereof
The embodiment provides a fiber-plastic section outdoor floor which is composed of the following raw materials in parts by mass:
70 parts of fiber-plastic composite material, 29 parts of POE, 1680.6 parts of antioxidant and 6220.4 parts of ultraviolet light absorber UV.
The preparation method comprises the following steps:
the fiber-plastic composite material described in example 1, POE, antioxidant 168 and ultraviolet absorber UV 622 were mixed and then screw extruded at 200 ℃ and 100r/min to obtain a fiber-plastic profile outdoor floor.
Example 7: fiber-plastic section outdoor floor and preparation method thereof
The embodiment provides a fiber-plastic section outdoor floor which is composed of the following raw materials in parts by mass:
65 parts of fiber-plastic composite material, 34 parts of POE, 1680.7 parts of antioxidant and 384-20.3 parts of ultraviolet absorbent UV.
The preparation method comprises the following steps:
the fiber-plastic composite material described in example 1, PVC, antioxidant 1010 and ultraviolet absorber UV 384-2 were mixed and then screw extruded at 200 ℃ at 100r/min to obtain fiber-plastic profile outdoor flooring.
Example 8: fiber-plastic section outdoor floor and preparation method thereof
The embodiment provides a fiber-plastic section outdoor floor which is composed of the following raw materials in parts by mass:
79 parts of fiber-plastic composite material, 20 parts of EVA (ethylene vinyl acetate), 6260.5 parts of antioxidant and 2920.5 parts of ultraviolet light absorber UV (ultraviolet) described in example 1.
The preparation method comprises the following steps:
the fiber-plastic composite material described in example 1, POE, antioxidant 168 and ultraviolet absorber UV 622 were mixed and then screw extruded at 200 ℃ and 100r/min to obtain a fiber-plastic profile outdoor floor.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. The outdoor floor made of the fiber-plastic profiles is characterized in that the raw materials of the outdoor floor comprise a fiber-plastic composite material;
the preparation method of the fiber-plastic composite material comprises the following steps:
s1: crushing, opening, removing impurities and carding the textile fabric in the interweaving state to obtain treated textile fiber;
s2: reducing the volume of the treated textile fiber and plastic, and mixing to obtain a fiber-plastic mixture;
s3: dispersing the fibers in the fiber-plastic mixture in the plastic and forming an interface to obtain a crude fiber-plastic compound;
s4: granulating and cooling the crude fiber-plastic composite to obtain the fiber-plastic composite material.
2. The fiber-plastic section outdoor floor as claimed in claim 1, wherein the outdoor floor is composed of the following raw materials in parts by mass:
65-80 parts of fiber-plastic composite material, 20-35 parts of elastic composite material and 0.3-1.5 parts of anti-aging material.
3. The fiber-plastic profile outdoor flooring according to claim 2, wherein the elastic composite material is at least one of POE, PVC, EVA, SBR, EMA and EPDM.
4. The fiber-plastic profile outdoor floor according to claim 2 or 3, wherein the anti-aging material is a mixture of an antioxidant and an ultraviolet absorber.
5. The fiber-plastic profile outdoor floor according to claim 4, wherein the antioxidant is at least one of a phosphite antioxidant, a hindered phenol antioxidant, a thioester antioxidant and a complex antioxidant; the ultraviolet absorbent is at least one of benzophenone ultraviolet absorbent, benzotriazole ultraviolet absorbent and benzoic acid ultraviolet absorbent.
6. The fiber-plastic outdoor floor of claim 4 or 5, wherein the volume ratio of the antioxidant to the ultraviolet absorber in the anti-aging material is 1-3: 1.
7. A method for preparing the fiber-plastic section outdoor floor as claimed in any one of claims 2 to 6, wherein the method comprises the following steps:
s1: crushing, opening, removing impurities and carding the textile fabric in the interweaving state to obtain treated textile fiber;
s2: reducing the volume of the treated textile fiber and plastic, and mixing to obtain a fiber-plastic mixture;
s3: dispersing the fibers in the fiber-plastic mixture in the plastic and forming an interface to obtain a crude fiber-plastic compound;
s4: granulating and cooling the crude fiber-plastic composite to obtain a fiber-plastic composite material;
s5: and mixing the fiber-plastic composite material, the elastic composite material and the anti-aging material, and then carrying out melt extrusion to obtain the fiber-plastic section outdoor floor.
8. The method according to claim 7, wherein the opening is carried out by scattering the textile fabric into a fluffy state, so that the volume of the finally treated textile fiber is enlarged by 2-6 times compared with the textile fabric;
the opening times are 2-5 times, and the carding times are 1-3 times.
9. The method according to claim 7 or 8, wherein in step S2, the mixing is performed by screw mixing and extruding the treated textile fiber and plastic at 150-200 ℃ and 30-150 r/min, and the density of the fiber-plastic mixture obtained after volume reduction is 1050-1300 kg/m3。
10. The preparation method according to any one of claims 7 to 9, wherein in step S3, the dispersion is banburying in the absence of oxygen at 150 to 200 ℃, the rotor speed of the banburying is 30 to 60r/min, the differential ratio is 0.8 to 1.2, and the time is 5 to 20 min.
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| EP4253647A1 (en) * | 2022-03-29 | 2023-10-04 | Zhejiang Tianzhen Technology Co., Ltd. | Textile waste regenerated flooring and preparation method thereof |
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| CN113185812A (en) * | 2021-05-13 | 2021-07-30 | 上海纤苏新材料科技有限公司 | Fiber-plastic composite material for composite packaging material |
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| EP4253647A1 (en) * | 2022-03-29 | 2023-10-04 | Zhejiang Tianzhen Technology Co., Ltd. | Textile waste regenerated flooring and preparation method thereof |
| CN114806108A (en) * | 2022-05-21 | 2022-07-29 | 浙江省林业科学研究院 | Method for manufacturing outdoor board by using waste textile |
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