CN113667259B - Thermoplastic elastomer and preparation method and application thereof - Google Patents
Thermoplastic elastomer and preparation method and application thereof Download PDFInfo
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- CN113667259B CN113667259B CN202110957686.3A CN202110957686A CN113667259B CN 113667259 B CN113667259 B CN 113667259B CN 202110957686 A CN202110957686 A CN 202110957686A CN 113667259 B CN113667259 B CN 113667259B
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- 229920002725 thermoplastic elastomer Polymers 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims description 8
- 239000004743 Polypropylene Substances 0.000 claims abstract description 67
- -1 polypropylene Polymers 0.000 claims abstract description 66
- 229920001155 polypropylene Polymers 0.000 claims abstract description 66
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000012360 testing method Methods 0.000 claims abstract description 21
- 230000003373 anti-fouling effect Effects 0.000 claims abstract description 16
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 claims abstract description 14
- 239000000654 additive Substances 0.000 claims abstract description 13
- 230000000996 additive effect Effects 0.000 claims abstract description 13
- 239000000945 filler Substances 0.000 claims abstract description 12
- 239000002199 base oil Substances 0.000 claims abstract description 10
- 239000000314 lubricant Substances 0.000 claims abstract description 7
- 239000000155 melt Substances 0.000 claims abstract description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 46
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 23
- 238000002156 mixing Methods 0.000 claims description 11
- 239000012745 toughening agent Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 claims description 5
- 239000012752 auxiliary agent Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 238000012661 block copolymerization Methods 0.000 claims 2
- 239000002344 surface layer Substances 0.000 abstract description 7
- 230000003712 anti-aging effect Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000004513 sizing Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000032683 aging Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 238000010835 comparative analysis Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000013022 formulation composition Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 208000025978 Athletic injury Diseases 0.000 description 1
- 206010041738 Sports injury Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
- C08L53/025—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02177—Floor elements for use at a specific location
- E04F15/02183—Floor elements for use at a specific location for outdoor use, e.g. in decks, patios, terraces, verandas or the like
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/024—Sectional false floors, e.g. computer floors
- E04F15/02447—Supporting structures
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
Abstract
The invention discloses a thermoplastic elastomer, which comprises the following components in parts by weight: 35-45 parts of SEBS, 8-12 parts of polypropylene, 25-35 parts of 150N base oil, 6-10 parts of flexibilizer, 1-3 parts of compatibilizer, 1.5-2.5 parts of lubricant, 8-12 parts of filler, 0.1-0.2 part of anti-fouling additive and 0.15-0.25 part of anti-UV additive; the polypropylene comprises block copolymerized polypropylene A and block copolymerized polypropylene B, wherein the melt index of the block copolymerized polypropylene A is 5-10 g/10min under the test condition of 2.16kg at 190 ℃, and the melt index of the block copolymerized polypropylene B is 20-30 g/10min under the test condition of 2.16kg at 190 ℃. The thermoplastic elastomer has excellent anti-fouling and anti-aging properties, and can be used as a surface layer material for the assembled floor, so that the anti-fouling and anti-aging properties of the assembled floor can be effectively improved, the service life of the assembled floor can be prolonged, and the service time can be prolonged to more than 3 years.
Description
Technical Field
The invention relates to the technical field of rubber materials, in particular to a thermoplastic elastomer and a preparation method thereof, and also relates to application of the thermoplastic elastomer in assembly floors.
Background
The assembled floor is also called a combined sports floor, and has the characteristics of simple assembly, convenient movement, rich colors, difficult water accumulation and the like. The anti-skid support adopts a suspension type structural design and a firm reinforced support foot structure, has a vertical damping effect, and can effectively prevent sports injury on the anti-skid surface, so that the anti-skid support is widely applied to indoor and outdoor sports fields in recent years.
However, the existing assembled floor is still not ideal in terms of dirt resistance and aging resistance, and particularly has the defects of easy aging and embrittlement and easy dirt when being used in outdoor places, and the service life is short, and the assembled floor can be maintained for about 1 year generally.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a thermoplastic elastomer and a preparation method and application thereof. The thermoplastic elastomer has excellent anti-fouling and anti-aging properties, can be used as a surface layer material of the assembled floor, can improve the anti-fouling and anti-aging properties of the assembled floor, and prolongs the service life of the assembled floor.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a thermoplastic elastomer comprising the following components in parts by weight: 35-45 parts of SEBS, 8-12 parts of polypropylene, 25-35 parts of 150N base oil, 6-10 parts of flexibilizer, 1-3 parts of compatibilizer, 1.5-2.5 parts of lubricant, 8-12 parts of filler, 0.1-0.2 part of anti-fouling additive and 0.15-0.25 part of anti-UV additive.
Preferably, the thermoplastic elastomer comprises the following components in parts by weight: 40 parts of SEBS, 10 parts of polypropylene, 30 parts of 150N base oil, 8 parts of toughening agent, 2 parts of compatibilizer, 2 parts of lubricant, 10 parts of filler, 0.15 part of anti-fouling additive and 0.2 part of anti-UV additive.
Preferably, the SEBS brand comprises 7515. The brand SEBS has good ageing resistance and mechanical properties, can be processed and used without vulcanization, has good compatibility with 150N base oil, and can adjust the hardness through 150N base oil, so that the thermoplastic elastomer has a damping effect meeting the use requirement of an assembled floor.
Preferably, the polypropylene comprises a block copolymerized polypropylene a and a block copolymerized polypropylene B; the melt index of the block copolymerized polypropylene A under the test condition of 190 ℃ and 2.16kg is 5-10 g/10min, and the melt index of the block copolymerized polypropylene B under the test condition of 190 ℃ and 2.16kg is 20-30 g/10min. The block copolymerized polypropylene A and the block copolymerized polypropylene B with the melt index have good compatibility with SEBS with the brand 7515, and the blending effect is good. In addition, the block copolymerized polypropylene A and the block copolymerized polypropylene B are combined, so that the mechanical property and the high and low temperature resistance of the thermoplastic elastomer can be effectively improved, the flowability of the rubber material can be improved, and the product can be better molded.
Preferably, in the polypropylene, the mass ratio of the block copolymerized polypropylene A to the block copolymerized polypropylene B is 1 (2-3). By regulating the proportion of the block copolymerized polypropylene A and the block copolymerized polypropylene B, the rubber material is ensured to have better fluidity, and the mechanical property and the high and low temperature resistance of the thermoplastic elastomer are also better.
Preferably, in the polypropylene, the mass ratio of the block copolymerized polypropylene A to the block copolymerized polypropylene B is 1:2.5. When the block copolymerized polypropylene A and the block copolymerized polypropylene B are compounded and used in the proportion, the thermoplastic elastomer has the best mechanical property and high and low temperature resistance.
Preferably, the toughening agent comprises a POE3980 toughening agent. The addition of the POE3980 toughening agent can further improve the fluidity of the whole system, improve the toughness of the thermoplastic elastomer, and ensure that the thermoplastic elastomer is not easy to delaminate from the PP bottom layer when being used as the surface layer of the assembled floor.
Preferably, the lubricant comprises silicone powder. In the formula of the invention, the addition of the silicone powder not only can play a role in lubrication, so that the product is easy to demould, but also can improve the surface wear resistance of the thermoplastic elastomer.
Preferably, the filler is a mixture of light calcium carbonate and heavy calcium carbonate, and the particle size of the heavy calcium carbonate is 600-800 meshes.
Preferably, in the filler, the mass ratio of the light calcium carbonate to the heavy calcium carbonate is 1:0.3-0.5.
Preferably, in the filler, the mass ratio of the light calcium carbonate to the heavy calcium carbonate is 1:0.4.
The addition of the filler can improve the formability of the sizing material, can also increase the volume of the sizing material, and achieves the aim of reducing the cost. According to the research, if only light calcium carbonate is added, the light calcium carbonate is easy to agglomerate and difficult to disperse uniformly; if only heavy calcium carbonate is added, the problem of small contact area with sizing material and poor blending effect can occur. The light calcium carbonate and the heavy calcium carbonate are compounded, and the dispersing and blending effects can be simultaneously considered by regulating and controlling the proportion and the granularity of the light calcium carbonate and the heavy calcium carbonate, so that the filler which is difficult to agglomerate, easy to disperse and good in blending effect with the sizing material is obtained, and finally the technical effects of improving the formability of the sizing material and increasing the volume of the sizing material are achieved.
Preferably, the UV resistant auxiliary comprises at least one of EP-V701, KZ-1145. The UV-resistant auxiliary agent of the brand has good compatibility with the sizing material of the formula, and can improve the UV-resistant performance of the sizing material.
Preferably, the anti-soil additive comprises a fluorine modified anti-soil additive, under the trade designation blue Ke Lu lencoo 3007D. In the prior art, the auxiliary agent is generally used in the coating, however, the inventor has found unexpectedly that the auxiliary agent has better compatibility with the formula system of the invention, and a layer of anti-fouling protective film can be formed on the surface of the sizing material after blending, so that the anti-fouling capability of the product is improved.
Preferably, the compatibilizer comprises at least one of styrene-butadiene-styrene block copolymer (SBS), maleic anhydride grafted SBS (MAH-SBS).
The invention also provides a preparation method of the thermoplastic elastomer, which comprises the following steps:
(1) Uniformly mixing SEBS and 150N base oil, then adding other components, and uniformly mixing to obtain a mixed material;
(2) Extruding the mixed material obtained in the step (1) by using a double-screw extruder, cooling and granulating to obtain the thermoplastic elastomer.
Preferably, the extrusion temperature of the twin-screw extruder is controlled between 160 and 180 ℃.
The invention also provides application of the thermoplastic elastomer in preparation of the assembled floor. Preferably, the assembled floor comprises a surface layer and a bottom layer, wherein the surface layer is made of the thermoplastic elastomer. Preferably, in the assembled floor, the surface layer and the bottom layer are of an integral injection molding structure.
Compared with the prior art, the invention has the beneficial effects that: the thermoplastic elastomer provided by the invention has excellent anti-fouling and anti-aging properties, and can be used as a surface layer material for the assembled floor, so that the anti-fouling and anti-aging properties of the assembled floor can be effectively improved, the service life of the assembled floor can be prolonged, and the service time can be prolonged to more than 3 years.
Detailed Description
For a better description of the objects, technical solutions and advantages of the present invention, the present invention will be further described with reference to the following specific examples. It should be understood that the examples are not intended to limit the scope of the present invention. The raw materials used in the invention can be purchased commercially.
The sources of the raw materials used in the examples are as follows:
examples 1 to 3
Examples 1 to 3 provide thermoplastic elastomers whose formulation compositions are shown in Table 1. Comparative examples 1 to 3 also provide thermoplastic elastomers whose formulation compositions are shown in Table 1.
In Table 1, polypropylene consisted of block copolymerized polypropylene A and block copolymerized polypropylene B, and the mass ratio of block copolymerized polypropylene A to block copolymerized polypropylene B was 1:2.5. The filler is a mixture of light calcium carbonate and heavy calcium carbonate, and the mass ratio of the light calcium carbonate to the heavy calcium carbonate is 1:0.4.
The thermoplastic elastomers of examples 1 to 3 were prepared by: (1) Uniformly mixing SEBS and 150N base oil, then adding other components, and uniformly mixing to obtain a mixed material; (2) Extruding the mixed material obtained in the step (1) by using a double-screw extruder, cooling and granulating to obtain the thermoplastic elastomer. Wherein the extrusion temperature of the twin-screw extruder is controlled between 160 and 180 ℃.
The method for producing the thermoplastic elastomer of comparative examples 1 to 3 is described in examples 1 to 3.
TABLE 1
Note that: in the table "-" indicates that the component was not added.
1. Performance testing
The thermoplastic elastomers of examples 1 to 3 and comparative examples 1 to 3 were molded into sheets, cut into standard test pieces, and the test results are shown in Table 2.
Hardness: test methods are in accordance with ASTM D2240.
Tensile strength: test methods are in accordance with ASTM D412.
Elongation at break: test methods are in accordance with ASTM D412.
Compression set rate: the test method is carried out at 70 ℃ for 168 hours according to GB/T7759.1-2015, and the standard value is less than 50%.
Aging performance test: 158 ℃ x 168h.
Flame retardant performance test: vertical burn, tested according to GB/T2408-2008.
Embrittlement temperature measurement: the sample is arranged in a fixture in a cantilever mode, is placed in a low-temperature medium for constant temperature, and is impacted by a punch at a certain speed after reaching a certain preset low temperature, and the temperature when the destruction rate of the sample reaches 50% is the embrittlement temperature.
Abrasion resistance: taber abrasion resistance test, abrasion conditions: the H-18 grinding wheel, weight 2000g, revolution 1000r, revolution 72rpm, calculate the mass loss rate.
Stain resistance: the surface of the sample is smeared by an oil pen, the sample is put into a baking oven at 60 ℃ for drying (3 min), the sample is taken out and is wiped clean by wet paper towels, and the wiping times required by wiping each sample are counted.
TABLE 2
Table 2 analysis of results: the thermoplastic elastomers of examples 1 to 3 have good toughness, elasticity and mechanical strength, and are good in terms of aging resistance, high and low temperature resistance, abrasion resistance, flame retardancy and stain resistance, and are especially preferable in example 1. As can be seen from comparative analysis of comparative examples 1 to 2, the types of SEBS significantly affect the properties of thermoplastic elastomers, and comparative examples 1 and 2 using other grades of SEBS were inferior to example 1 in terms of aging resistance, high and low temperature resistance, abrasion resistance, flame retardancy, and stain resistance. Comparative analysis comparative example 3 shows that the fluorine modified anti-fouling additive of the brand adopted by the invention can effectively improve the anti-fouling capability of the thermoplastic elastomer.
2. To investigate the influence of the component composition and the component ratio of polypropylene on the performance of the thermoplastic elastomer, 7 groups of test groups were set, and the component composition and the component ratio of each group of polypropylene are shown in Table 3.
TABLE 3 Table 3
| Group of | Polypropylene |
| Test group 1 | Block copolymerized polypropylene a+block copolymerized polypropylene B, and a: b=1:1 |
| Test group 2 | Block copolymerized polypropylene a+block copolymerized polypropylene B, and a: b=1:2 |
| Test group 3 | Block copolymerized polypropylene a + block copolymerized polypropylene B, and a: b=1:2.5 |
| Test group 4 | Block copolymerized polypropylene a+block copolymerized polypropylene B, and a: b=1:3 |
| Test group 5 | Block copolymerized polypropylene a+block copolymerized polypropylene B, and a: b=1:4 |
| Test group 6 | Block Polypropylene A |
| Test group 7 | Block Polypropylene B |
Thermoplastic elastomers (10 parts of polypropylene total) were prepared according to the formulation and preparation method of example 1 from test groups 1 to 7, and the properties of the thermoplastic elastomers were tested, and the test results are shown in Table 4.
TABLE 4 Table 4
Table 4 analysis of results: from test groups 1 to 5, it can be seen that the ratio of the block copolymerized polypropylene A to the block copolymerized polypropylene B can affect the mechanical property and the high and low temperature resistance of the thermoplastic elastomer, and when the mass ratio of the block copolymerized polypropylene A to the block copolymerized polypropylene B is 1 (2 to 3), the mechanical property and the high and low temperature resistance of the thermoplastic elastomer are better. When only the block copolymerized polypropylene A is used, the thermoplastic elastomer is too soft and has poor toughness, the application requirement of the assembled floor cannot be met, and meanwhile, the high and low temperature resistance and the wear resistance of the block copolymerized polypropylene A are also obviously reduced. When only the block copolymerized polypropylene B is used, the thermoplastic elastomer is too hard and has poor toughness, the application requirement of the assembled floor cannot be met, and meanwhile, the high-low temperature resistance and the wear resistance of the block copolymerized polypropylene B are also obviously reduced.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted equally without departing from the spirit and scope of the technical solution of the present invention.
Claims (8)
1. The thermoplastic elastomer is characterized by comprising the following components in parts by weight: 35-45 parts of SEBS, 8-12 parts of polypropylene, 25-35 parts of 150N base oil, 6-10 parts of toughening agent, 1-3 parts of compatibilizer, 1.5-2.5 parts of lubricant, 8-12 parts of filler, 0.1-0.2 part of anti-fouling additive and 0.15-0.25 part of anti-UV additive; the polypropylene comprises block copolymerized polypropylene A and block copolymerized polypropylene B, wherein the melt index of the block copolymerized polypropylene A under the test condition of 2.16kg at 190 ℃ is 5-10 g/10min, and the melt index of the block copolymerized polypropylene B under the test condition of 2.16kg at 190 ℃ is 20-30 g/10min; in the polypropylene, the mass ratio of the block copolymerization polypropylene A to the block copolymerization polypropylene B is 1 (2-3); the brand of the SEBS is 7551; the filler is a mixture of light calcium carbonate and heavy calcium carbonate; the brand of the anti-fouling auxiliary agent is Lencolo 3007D.
2. The thermoplastic elastomer of claim 1, wherein the thermoplastic elastomer comprises the following components in parts by weight: 40 parts of SEBS, 10 parts of polypropylene, 30 parts of 150N base oil, 8 parts of toughening agent, 2 parts of compatibilizer, 2 parts of lubricant, 10 parts of filler, 0.15 part of anti-fouling additive and 0.2 part of anti-UV additive.
3. The thermoplastic elastomer of claim 1, wherein the toughening agent comprises a POE3980 toughening agent and the lubricant comprises silicone powder.
4. The thermoplastic elastomer according to claim 1, wherein the particle size of the heavy calcium carbonate is 600-800 meshes, and the mass ratio of the light calcium carbonate to the heavy calcium carbonate is 1:0.3-0.5.
5. Thermoplastic elastomer according to claim 1, characterized in that the UV resistant auxiliary comprises at least one of EP-V701, KZ-1145.
6. The thermoplastic elastomer of claim 1, wherein the compatibilizer comprises at least one of a styrene-butadiene-styrene block copolymer, and a maleic anhydride grafted SBS.
7. A method for producing the thermoplastic elastomer according to any one of claims 1 to 6, comprising the steps of:
(1) Uniformly mixing SEBS and 150N base oil, then adding other components, and uniformly mixing to obtain a mixed material;
(2) Extruding the mixed material obtained in the step (1) by using a double-screw extruder, cooling and granulating to obtain the thermoplastic elastomer.
8. Use of the thermoplastic elastomer according to any one of claims 1 to 6 in the preparation of a parquet floor.
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