CN112852028B - Thermoplastic elastomer composition for sports floor and preparation method thereof - Google Patents
Thermoplastic elastomer composition for sports floor and preparation method thereof Download PDFInfo
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Abstract
The invention provides a thermoplastic elastomer composition for a sports floor and a preparation method thereof, wherein the thermoplastic elastomer composition for the sports floor comprises the following raw materials in parts by weight: 90-110 parts of butadiene rubber powder, 60-80 parts of natural rubber powder, 40-60 parts of polyvinyl chloride resin, 40-50 parts of epoxy resin, 60-70 parts of polystyrene, 20-30 parts of talcum powder, 20-30 parts of white carbon black, 40-60 parts of benzene glycol, 40-60 parts of benzene, 20-30 parts of vulcanization activator, 15-25 parts of vulcanization accelerator, 15-25 parts of rubber auxiliary agent, 10-20 parts of silane coupling agent, 10-20 parts of stabilizer, 10-20 parts of plasticizer, 15-25 parts of cross-linking agent and 15-25 parts of vulcanizing agent. In the invention, the thermoplastic elastomer composition for the sports floor has the advantages of good elasticity, crack resistance, shock absorption, elasticity, oil control, shrinkage resistance and the like, and long service life.
Description
Technical Field
The invention relates to the technical field of sports ground floors, in particular to a thermoplastic elastomer composition for a sports floor and a preparation method thereof.
Background
The floor is made of polyvinyl chloride material specially for sports ground, and is produced through adding stuffing, plasticizer, stabilizer, coloring agent and other supplementary material onto sheet continuous base material, and through coating, rolling, extruding or extruding.
The Chinese patent of the invention of publication No. CN107974024B discloses a thermoplastic elastomer composition, a preparation method and application thereof, wherein the composition comprises the following raw material components in parts by weight: 75-120 parts of SEPS and/or SEEPS; 65-102 parts of ethylene-octene block copolymerized olefin; 80-150 parts of paraffin oil; 66-120 parts of maleic anhydride grafted butadiene; 66-135 parts of maleic anhydride grafted polypropylene; 120-175 parts of rubber powder; 45-66 parts of silicone powder; 25-58 parts of calcium carbonate; 30-50 parts of PP particles; DCP master batches accounting for 3-8% of the total weight of the thermoplastic elastomer composition; and from 1.9% to 10% TMPTMA by weight of the total thermoplastic elastomer composition. The floor prepared by the thermoplastic elastomer has the advantages of high wet skid resistance, high wear resistance and high weather resistance.
The inventors believe that: the sports ground floor prepared from the thermoplastic elastomer composition has the defects of poor deformation resistance, poor cracking resistance and the like, so that the service life of the sports ground floor is greatly shortened.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a thermoplastic elastomer composition for a sports floor and a preparation method thereof, and the sports floor has excellent performances of deformation resistance, cracking resistance, elasticity, shock absorption and the like.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the thermoplastic elastomer composition for the sports floor comprises the following raw materials in parts by weight:
90-110 parts of butadiene rubber powder, 60-80 parts of natural rubber powder, 40-60 parts of polyvinyl chloride resin, 40-50 parts of epoxy resin, 60-70 parts of polystyrene, 20-30 parts of talcum powder, 20-30 parts of white carbon black, 40-60 parts of benzene glycol, 40-60 parts of benzene, 20-30 parts of vulcanization activator, 15-25 parts of vulcanization accelerator, 15-25 parts of rubber auxiliary agent, 10-20 parts of silane coupling agent, 10-20 parts of stabilizer, 10-20 parts of plasticizer, 15-25 parts of cross-linking agent and 15-25 parts of vulcanizing agent.
Preferably, the elastomer composition comprises the following raw materials in parts by weight:
100 parts of butadiene rubber powder, 70 parts of natural rubber powder, 50 parts of polyvinyl chloride resin, 45 parts of epoxy resin, 65 parts of polystyrene, 25 parts of talcum powder, 25 parts of white carbon black, 50 parts of benzene, 25 parts of vulcanization activator, 20 parts of vulcanization accelerator, 20 parts of rubber auxiliary agent, 15 parts of silane coupling agent, 15 parts of stabilizer, 15 parts of plasticizer, 20 parts of cross-linking agent and 20 parts of vulcanizing agent.
Preferably, the vulcanization activator is stearic acid.
Preferably, the vulcanization accelerator is zinc oxide.
Preferably, the rubber auxiliary agent is one of thiophenol compounds, alkylphenol disulfides or aromatic hydrocarbon disulfides.
The preparation method of the thermoplastic elastomer composition for the sports floor comprises the following steps:
(1) Weighing benzene glycol, benzene and butadiene rubber powder according to a proportion, uniformly mixing, extracting until the solution is colorless, drying the solution at 80 ℃, carrying out microwave radiation treatment, and sealing and preserving to obtain microwave modified butadiene rubber powder;
(2) Weighing natural rubber powder, a vulcanization activator, a vulcanization accelerator, talcum powder and a vulcanizing agent according to a proportion, uniformly mixing, and then putting into an open mill, and mixing for 1-2 hours under the conditions of 140-150 ℃ and 10MPa of pressure to obtain mixed rubber A for later use;
(3) Weighing a rubber auxiliary agent and a cross-linking agent according to a proportion, uniformly mixing the rubber auxiliary agent and the microwave modified butadiene rubber powder, and then putting the mixture into an open mill, and mixing the mixture for 45-55min under the conditions of the temperature of 45-50 ℃ and the pressure of 5MPa to obtain a mixed rubber B for later use;
(4) And (3) weighing polyvinyl chloride resin, epoxy resin, polystyrene, white carbon black, a silane coupling agent, a stabilizer and a plasticizer according to a proportion, uniformly mixing the polyvinyl chloride resin, the epoxy resin, the polystyrene, the white carbon black, the silane coupling agent, the stabilizer and the plasticizer with the mixed glue A and the mixed glue B, and then putting the mixture into an open mill for mixing to obtain a blend sheet.
Preferably, the microwave radiation treatment time in the step (1) is 30 to 300 seconds.
Preferably, the mixing temperature in the step (4) is 170-180 ℃, and the mixing time is 1-2h.
The beneficial effects of the invention are as follows:
the microwave radiation breaks part of cross-linking bonds in the butadiene rubber powder, and the surface is oxidized to increase oxygen-containing groups, so that the surface of the butadiene rubber powder is activated, the compatibility between the polystyrene and the butadiene rubber powder after microwave radiation is enhanced, the binding force between the polystyrene and the butadiene rubber powder after microwave radiation is enhanced, the inter-particle distance between the two components is reduced, short and dense silver lines are generated, the meeting probability between the silver lines and the silver lines or the particles is increased, and the thermoplastic elastomer composition for the sports floor is used for preparing the thermoplastic elastomer composition, so that the toughness of the elastomer composition is enhanced, and the occurrence probability of tile change on the surface of the sports floor is reduced.
After the natural rubber powder and the talcum powder are mixed, the blocking effect of the talcum powder limits the mobility of the natural rubber powder, and the talcum powder has the effect of orienting the molecular chains of the natural rubber powder on the mechanical property, so that the tensile strength, the tearing strength and the mechanical stability of the thermoplastic elastomer composition for the sports floor are improved, and the service life of the sports floor is prolonged.
The butadiene rubber powder has higher molecular chain linear degree and narrower molecular weight distribution, and has a regular molecular chain structure, so that the molecular chain can enter the nanometer micropores of the white carbon black to form an interlocking structure, and the butadiene rubber powder and the white carbon black are mutually matched to prepare the thermoplastic elastomer composition for the sports floor, thereby enhancing the mechanical properties of elasticity, shock absorption, wear resistance, shrinkage resistance and the like of the elastomer composition.
Under the cooperation of the vulcanization activator and the cross-linking agent, the butadiene rubber molecules and the natural rubber molecules gradually form a three-dimensional molecular network, so that the thermoplastic elastomer composition for the sports floor is prepared, the dissolution of the elastomer composition in oil is reduced, the cross-linked molecular chains are longer and well stretched, and the oil absorption multiplying power is gradually increased, thereby improving the oil absorption performance of the elastomer composition and reducing the oil yield of the sports floor.
Stearic acid is used as a vulcanization activator, so that friction between the resin and other molecules in a system between the rubber and processing equipment can be reduced, fluidity and demolding property of the resin and the rubber during molding are improved, and reaction is promoted.
The rubber auxiliary agent is one of thiophenol compounds, alkylphenol disulfide and aromatic disulfide, and can improve the raw rubber plasticity and shorten the plasticating time. Vulcanization accelerators, also known as rubber accelerators or accelerators, reduce the vulcanization temperature, reduce the amount of vulcanizing agent used, shorten the vulcanization time and improve the properties of the vulcanizate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described in the following in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
the thermoplastic elastomer composition for the sports floor comprises the following raw materials in parts by weight:
90 parts of butadiene rubber powder, 60 parts of natural rubber powder, 40 parts of polyvinyl chloride resin, 40 parts of epoxy resin, 60 parts of polystyrene, 20 parts of talcum powder, 20 parts of white carbon black, 40 parts of benzene glycol, 40 parts of benzene, 20 parts of stearic acid, 15 parts of zinc oxide, 15 parts of thiophenol compound, 10 parts of silane coupling agent, 10 parts of stabilizer, 10 parts of plasticizer, 15 parts of cross-linking agent and 15 parts of vulcanizing agent.
A method for preparing a thermoplastic elastomer composition for sports flooring, comprising the steps of:
(1) Weighing benzene glycol, benzene and butadiene rubber powder according to a proportion, uniformly mixing, extracting until the solution is colorless, drying the solution at 80 ℃, performing microwave radiation treatment for 30 seconds, and sealing and preserving to obtain microwave modified butadiene rubber powder;
(2) Weighing natural rubber powder, stearic acid, zinc oxide, talcum powder and vulcanizing agent according to a proportion, uniformly mixing, and then putting into an open mill, and mixing for 1h under the conditions of 140 ℃ and 10MPa of pressure to obtain mixed rubber A for later use;
(3) Weighing thiophenol compound and cross-linking agent according to a certain proportion, uniformly mixing with microwave modified butadiene rubber powder, putting into an open mill, and mixing for 45min under the conditions of 45 ℃ and 5MPa to obtain mixed rubber B for later use;
(4) And (3) weighing polyvinyl chloride resin, epoxy resin, polystyrene, white carbon black, a silane coupling agent, a stabilizer and a plasticizer according to a proportion, uniformly mixing the polyvinyl chloride resin, the epoxy resin, the polystyrene, the white carbon black, the silane coupling agent, the stabilizer and the plasticizer with the mixed glue A and the mixed glue B, putting the mixture into an open mill, and mixing the mixture for 1h at 170 ℃ to obtain a blend sheet.
Example 2:
the thermoplastic elastomer composition for the sports floor comprises the following raw materials in parts by weight:
110 parts of butadiene rubber powder, 80 parts of natural rubber powder, 60 parts of polyvinyl chloride resin, 50 parts of epoxy resin, 70 parts of polystyrene, 30 parts of talcum powder, 30 parts of white carbon black, 60 parts of benzene glycol, 60 parts of benzene, 30 parts of stearic acid, 25 parts of zinc oxide, 25 parts of alkylphenol disulfide, 20 parts of silane coupling agent, 20 parts of stabilizer, 20 parts of plasticizer, 25 parts of cross-linking agent and 25 parts of vulcanizing agent.
A method for preparing a thermoplastic elastomer composition for sports flooring, comprising the steps of:
(1) Weighing benzene glycol, benzene and butadiene rubber powder according to a proportion, uniformly mixing, extracting until the solution is colorless, drying the solution at 80 ℃, carrying out microwave radiation treatment for 300 seconds, and sealing and preserving to obtain microwave modified butadiene rubber powder;
(2) Weighing natural rubber powder, stearic acid, zinc oxide, talcum powder and vulcanizing agent according to a proportion, uniformly mixing, putting into an open mill, and mixing for 2 hours under the conditions of 150 ℃ and 10MPa of pressure to obtain mixed rubber A for later use;
(3) Weighing alkylphenol disulfide and a cross-linking agent according to a proportion, uniformly mixing the alkylphenol disulfide and the cross-linking agent with microwave modified butadiene rubber powder, putting the mixture into an open mill, and mixing the mixture for 55 minutes under the conditions of 50 ℃ and 5MPa of pressure to obtain mixed rubber B for later use;
(4) And (3) weighing polyvinyl chloride resin, epoxy resin, polystyrene, white carbon black, a silane coupling agent, a stabilizer and a plasticizer according to a proportion, uniformly mixing the polyvinyl chloride resin, the epoxy resin, the polystyrene, the white carbon black, the silane coupling agent, the stabilizer and the plasticizer with the mixed glue A and the mixed glue B, putting the mixture into an open mill, and mixing the mixture for 2 hours at 180 ℃ to obtain a blend sheet.
Example 3:
the thermoplastic elastomer composition for the sports floor comprises the following raw materials in parts by weight:
100 parts of butadiene rubber powder, 70 parts of natural rubber powder, 50 parts of polyvinyl chloride resin, 45 parts of epoxy resin, 65 parts of polystyrene, 25 parts of talcum powder, 25 parts of white carbon black, 50 parts of benzene, 25 parts of stearic acid, 20 parts of zinc oxide, 20 parts of alkylphenol disulfide, 15 parts of silane coupling agent, 15 parts of stabilizer, 15 parts of plasticizer, 20 parts of cross-linking agent and 20 parts of vulcanizing agent.
A method for preparing a thermoplastic elastomer composition for sports flooring, comprising the steps of:
(1) Weighing benzene glycol, benzene and butadiene rubber powder according to a proportion, uniformly mixing, extracting until the solution is colorless, drying the solution at 80 ℃, carrying out microwave radiation treatment for 50s, and sealing and preserving to obtain microwave modified butadiene rubber powder;
(2) Weighing natural rubber powder, stearic acid, zinc oxide, talcum powder and vulcanizing agent according to a proportion, uniformly mixing, and then putting into an open mill, and mixing for 1.5h under the conditions of 145 ℃ and 10MPa of pressure to obtain mixed rubber A for later use;
(3) Weighing alkylphenol disulfide and a cross-linking agent according to a proportion, uniformly mixing with microwave modified butadiene rubber powder, putting into an open mill, and mixing for 50min under the conditions of the temperature of 47.5 ℃ and the pressure of 5MPa to obtain mixed rubber B for later use;
(4) And (3) weighing polyvinyl chloride resin, epoxy resin, polystyrene, white carbon black, a silane coupling agent, a stabilizer and a plasticizer according to a proportion, uniformly mixing the polyvinyl chloride resin, the epoxy resin, the polystyrene, the white carbon black, the silane coupling agent, the stabilizer and the plasticizer with the mixed glue A and the mixed glue B, putting the mixture into an open mill, and mixing the mixture for 1.5h at 175 ℃ to obtain a blend sheet.
Example 4:
the thermoplastic elastomer composition for the sports floor comprises the following raw materials in parts by weight:
95 parts of butadiene rubber powder, 65 parts of natural rubber powder, 45 parts of polyvinyl chloride resin, 45 parts of epoxy resin, 65 parts of polystyrene, 25 parts of talcum powder, 25 parts of white carbon black, 45 parts of benzene, 25 parts of stearic acid, 18 parts of zinc oxide, 20 parts of aromatic disulfide, 17 parts of silane coupling agent, 17 parts of stabilizer, 17 parts of plasticizer, 20 parts of cross-linking agent and 20 parts of vulcanizing agent.
A method for preparing a thermoplastic elastomer composition for sports flooring, comprising the steps of:
(1) Weighing benzene glycol, benzene and butadiene rubber powder according to a proportion, uniformly mixing, extracting until the solution is colorless, drying the solution at 80 ℃, carrying out microwave radiation treatment for 100 seconds, and sealing and preserving to obtain microwave modified butadiene rubber powder;
(2) Weighing natural rubber powder, stearic acid, zinc oxide, talcum powder and vulcanizing agent according to a proportion, uniformly mixing, and then putting into an open mill, and mixing for 1h under the conditions of 142 ℃ and 10MPa of pressure to obtain mixed rubber A for later use;
(3) Weighing arene disulfide and a cross-linking agent according to a proportion, uniformly mixing the arene disulfide and the cross-linking agent with microwave modified butadiene rubber powder, putting the mixture into an open mill, and mixing the mixture for 52 minutes under the conditions of the temperature of 47 ℃ and the pressure of 5MPa to obtain mixed rubber B for later use;
(4) And (3) weighing polyvinyl chloride resin, epoxy resin, polystyrene, white carbon black, a silane coupling agent, a stabilizer and a plasticizer according to a proportion, uniformly mixing the polyvinyl chloride resin, the epoxy resin, the polystyrene, the white carbon black, the silane coupling agent, the stabilizer and the plasticizer with the mixed glue A and the mixed glue B, putting the mixture into an open mill, and mixing the mixture for 2 hours at the temperature of 174 ℃ to obtain a blend sheet.
Example 5:
the thermoplastic elastomer composition for the sports floor comprises the following raw materials in parts by weight:
105 parts of butadiene rubber powder, 75 parts of natural rubber powder, 55 parts of polyvinyl chloride resin, 48 parts of epoxy resin, 68 parts of polystyrene, 26 parts of talcum powder, 26 parts of white carbon black, 57 parts of benzene glycol, 50 parts of benzene, 27 parts of stearic acid, 22 parts of zinc oxide, 22 parts of aromatic disulfide, 17 parts of silane coupling agent, 17 parts of stabilizer, 17 parts of plasticizer, 22 parts of cross-linking agent and 22 parts of vulcanizing agent.
A method for preparing a thermoplastic elastomer composition for sports flooring, comprising the steps of:
(1) Weighing benzene glycol, benzene and butadiene rubber powder according to a proportion, uniformly mixing, extracting until the solution is colorless, drying the solution at 80 ℃, carrying out microwave radiation treatment for 200 seconds, and sealing and preserving to obtain microwave modified butadiene rubber powder;
(2) Weighing natural rubber powder, stearic acid, zinc oxide, talcum powder and vulcanizing agent according to a proportion, uniformly mixing, putting into an open mill, and mixing for 1h under the conditions of 148 ℃ and 10MPa of pressure to obtain mixed rubber A for later use;
(3) Weighing arene disulfide and a cross-linking agent according to a proportion, uniformly mixing the arene disulfide and the cross-linking agent with microwave modified butadiene rubber powder, putting the mixture into an open mill, and mixing the mixture for 50 minutes at the temperature of 48 ℃ and the pressure of 5MPa to obtain mixed rubber B for later use;
(4) And (3) weighing polyvinyl chloride resin, epoxy resin, polystyrene, white carbon black, a silane coupling agent, a stabilizer and a plasticizer according to a proportion, uniformly mixing the polyvinyl chloride resin, the epoxy resin, the polystyrene, the white carbon black, the silane coupling agent, the stabilizer and the plasticizer with the mixed glue A and the mixed glue B, putting the mixture into an open mill, and mixing the mixture for 1h at 172 ℃ to obtain a blend sheet.
Comparative example 1:
the only difference between this comparative example and example 3 is that no polystyrene was added.
Comparative example 2:
the only difference between this comparative example and example 3 is that no talc was added.
Comparative example 3:
the only difference between this comparative example and example 3 is that no white carbon black was added.
Comparative example 4:
the only difference between this comparative example and example 3 is that no benzene diol and no benzene were added.
Comparative example 5:
the only difference between this comparative example and example 3 is that stearic acid was not added.
Comparative example 6:
the only difference between this comparative example and example 3 is that no zinc oxide was added.
Comparative example 7:
the only difference between this comparative example and example 3 is that no alkylphenol disulfide was added.
Comparative example 8:
the only difference between this comparative example and example 3 is that no butadiene rubber powder was added.
Comparative example 9:
the only difference between this comparative example and example 3 is that the microwave irradiation treatment was not performed in step (1).
The elastomer compositions obtained in examples 1 to 5 and comparative examples 1 to 9 described above were subjected to performance test,
the total phenol content, viscosity, and free fatty acid ratio of the elastomer composition were measured, and the results are shown in Table 1.
TABLE 1 Performance parameters of the elastomer compositions obtained in examples 1 to 3, comparative examples 1 to 9
As can be seen from Table 1, the thermoplastic elastomer compositions for sports floors obtained in examples 1 to 5 were superior in hardness, elasticity, tensile strength and fracture resistance to the thermoplastic elastomer compositions for sports floors obtained in comparative examples 1 to 9.
In the invention, the microwave radiation breaks part of cross-linking bonds in the butadiene rubber powder, and the surface is oxidized to increase oxygen-containing groups, so that the surface of the butadiene rubber powder is activated, the compatibility between the polystyrene and the butadiene rubber powder after the microwave radiation is enhanced, the binding force between the polystyrene and the butadiene rubber powder after the microwave radiation is enhanced, the inter-particle distance between the two components is reduced, short and dense silver grains are generated, the meeting probability between the silver grains and the silver grains or between the particles is increased, the thermoplastic elastomer composition for preparing the sports floor is enhanced, the toughness of the elastomer composition is enhanced, and the occurrence probability of tile change on the surface of the sports floor is reduced.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The thermoplastic elastomer composition for the sports floor is characterized by comprising the following raw materials in parts by weight:
90-110 parts of butadiene rubber powder, 60-80 parts of natural rubber powder, 40-60 parts of polyvinyl chloride resin, 40-50 parts of epoxy resin, 60-70 parts of polystyrene, 20-30 parts of talcum powder, 20-30 parts of white carbon black, 40-60 parts of benzene glycol, 40-60 parts of benzene, 20-30 parts of vulcanization activator, 15-25 parts of vulcanization accelerator, 15-25 parts of rubber auxiliary agent, 10-20 parts of silane coupling agent, 10-20 parts of stabilizer, 10-20 parts of plasticizer, 15-25 parts of cross-linking agent and 15-25 parts of vulcanizing agent;
the preparation method of the thermoplastic elastomer composition for the sports floor comprises the following steps:
(1) Weighing benzene glycol, benzene and butadiene rubber powder according to a proportion, uniformly mixing, extracting until the solution is colorless, drying the solution at 80 ℃, carrying out microwave radiation treatment, and sealing and preserving to obtain microwave modified butadiene rubber powder;
(2) Weighing natural rubber powder, a vulcanization activator, a vulcanization accelerator, talcum powder and a vulcanizing agent according to a proportion, uniformly mixing, and then putting into an open mill, and mixing for 1-2 hours under the conditions of 140-150 ℃ and 10MPa of pressure to obtain mixed rubber A for later use;
(3) Weighing a rubber auxiliary agent and a cross-linking agent according to a proportion, uniformly mixing the rubber auxiliary agent and the microwave modified butadiene rubber powder, and then putting the mixture into an open mill, and mixing the mixture for 45-55min under the conditions of the temperature of 45-50 ℃ and the pressure of 5MPa to obtain a mixed rubber B for later use;
(4) And (3) weighing polyvinyl chloride resin, epoxy resin, polystyrene, white carbon black, a silane coupling agent, a stabilizer and a plasticizer according to a proportion, uniformly mixing the polyvinyl chloride resin, the epoxy resin, the polystyrene, the white carbon black, the silane coupling agent, the stabilizer and the plasticizer with the mixed glue A and the mixed glue B, and then putting the mixture into an open mill for mixing to obtain a blend sheet.
2. The thermoplastic elastomer composition for sports floors as claimed in claim 1, wherein the composition components of the elastomer composition comprise the following raw materials in parts by weight:
100 parts of butadiene rubber powder, 70 parts of natural rubber powder, 50 parts of polyvinyl chloride resin, 45 parts of epoxy resin, 65 parts of polystyrene, 25 parts of talcum powder, 25 parts of white carbon black, 50 parts of benzene, 25 parts of vulcanization activator, 20 parts of vulcanization accelerator, 20 parts of rubber auxiliary agent, 15 parts of silane coupling agent, 15 parts of stabilizer, 15 parts of plasticizer, 20 parts of cross-linking agent and 20 parts of vulcanizing agent.
3. The thermoplastic elastomer composition for sports flooring according to claim 1, wherein the vulcanization activator is stearic acid.
4. The thermoplastic elastomer composition for sports floors according to claim 1, characterized in that the vulcanization accelerator is zinc oxide.
5. The thermoplastic elastomer composition for sports floors according to claim 1, wherein the rubber auxiliary is one of a thiophenol compound, an alkylphenol disulfide or an aromatic hydrocarbon disulfide.
6. The thermoplastic elastomer composition for sports flooring according to claim 1, wherein the microwave irradiation treatment time in step (1) is 30 to 300 seconds in the preparation method of the thermoplastic elastomer composition for sports flooring.
7. The thermoplastic elastomer composition for sports flooring according to claim 1, wherein the kneading temperature in step (4) is 170 to 180℃and the kneading time is 1 to 2 hours.
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| WO2009140825A1 (en) * | 2008-05-23 | 2009-11-26 | 杨浩宇 | A thermoplastic elastomer composition, its process and the product obtained by the process |
| CN106496671A (en) * | 2016-12-31 | 2017-03-15 | 安徽立信橡胶科技有限公司 | A kind of high elastic rubber compositionss |
| CN106633230A (en) * | 2016-12-31 | 2017-05-10 | 安徽立信橡胶科技有限公司 | High-elasticity rubber and preparation process thereof |
| WO2018130195A1 (en) * | 2017-01-13 | 2018-07-19 | 杭州星庐科技有限公司 | Rubber composite, processing method, applications, manufacturing method for the applications |
| CN108003497A (en) * | 2017-12-01 | 2018-05-08 | 合肥华福土工合成材料有限公司 | A kind of acousticabsorption plastic floor and preparation method thereof |
| CN111138725A (en) * | 2019-12-23 | 2020-05-12 | 贵州科润密封科技有限公司 | High-strength wear-resistant modified natural rubber and preparation method thereof |
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