Environment-friendly sole material with lightweight function and preparation method thereof

Abstract

The invention relates to the field of sole materials, in particular to an environment-friendly sole material with a lightweight function and a preparation method of the environment-friendly sole material. Comprising 15-35 parts of natural rubber, 10-20 parts of butadiene rubber, 8-16 parts of butadiene styrene rubber, 20-40 parts of an ethylene-vinyl acetate copolymer, 23-47 parts of white carbon black, 10-20 parts of modified polyether sulfone, 1.5-3.5 parts of a lubricant, 2-4 parts of a foaming agent, 0.6-1.8 parts of a vulcanizing agent, 1-3 parts of an accelerant, 0.5-1.5 parts of an anti-aging agent and 0.5-1.5 parts of an ultraviolet light absorber. Main raw materials of the sole material comprise natural rubber, butadiene rubber, butadiene styrene rubber and EVA, a filling agent is a compound of white carbon black and modified polyether sulfone, and other auxiliaries are also added at the same time. The sole material prepared by the invention has the advantages of light weight, wear resistance, high strength, difficulty in deformation and good skid resistance.

Description

Technical Field

[0001] The invention relates to the field of sole materials, and in particular to an environmentally friendly sole material with a light-weight function and a preparation method thereof. Background Art

[0002] With the increasing depletion of oil resources and the deterioration of the earth's environment, people's attention to environmental protection technology and materials has gradually increased. Shoes, as daily necessities in people's lives, have a huge demand. At present, the soles on the market are roughly divided into rubber soles, EVA foam soles and rubber-plastic soles. Rubber sole materials have excellent wear resistance and anti-slip properties, and are suitable for walking on various road conditions. They have strong impact resistance and grip, and can provide good anti-slip performance and a long service life. However, rubber soles are heavy and may affect comfort. EVA material is the main raw material of sole materials in my country, and its usage accounts for more than 35% of sole materials. EVA is mainly composed of ethylene monomers and vinyl acetate monomers, which makes EVA copolymers have good elasticity and low hardness. Rubber-plastic sole materials have very strong wear resistance and good anti-slip properties, but rubber-plastic soles have relatively poor elasticity and resilience, high density, and the overall shoe is relatively heavy, which is not suitable for long-term exercise and walking.

[0003] In order to ensure the characteristics of wear resistance, anti-skid and excellent chemical properties, rubber or rubber-plastic soles are mostly made of solid materials. EVA foaming technology is mainly used to make slippers. Although some sports shoes also use foam outsoles, they are limited by their poor wear resistance and tensile properties and have never been widely used. In recent years, with the development and application of various new materials, foam soles have been favored by more and more people because of their light weight and low density. However, EVA foam soles have low strength, poor wear resistance, easy deformation after long-term use, and poor anti-skid properties, which cannot meet people's needs for wearing outside. Summary of the invention

[0004] In view of the problems existing in the prior art, the object of the present invention is to provide an environmentally friendly sole material with lightweight function and a preparation method thereof.

[0005] The purpose of the present invention is achieved by the following technical solutions:

[0006] In a first aspect, the present invention provides an environmentally friendly sole material with a light-weight function, which comprises, by weight:

[0007] 15-35 parts of natural rubber (NR), 10-20 parts of butadiene rubber (BR), 8-16 parts of styrene-butadiene rubber (SBR), 20-40 parts of ethylene-vinyl acetate copolymer (EVA), 23-47 parts of white carbon black, 10-20 parts of modified polyarylethersulfone, 1.5-3.5 parts of lubricant, 2-4 parts of foaming agent, 0.6-1.8 parts of vulcanizing agent, 1-3 parts of accelerator, 0.5-1.5 parts of antioxidant and 0.5-1.5 parts of ultraviolet absorber.

[0008] Preferably, the natural rubber (NR) is at least one of SCR-5, SCR-10, SCR-20, and SCR-50, more preferably SCR-10.

[0009] Preferably, the butadiene rubber (BR) is at least one of BR-9000, BR-9003, BR-9101, BR-1240, BR-1340, and BR-1550, more preferably BR-9000.

[0010] Preferably, the styrene-butadiene rubber (SBR) is at least one of SBR-10, SBR-30, and SBR-50, more preferably SBR-50.

[0011] Preferably, the ethylene-vinyl acetate copolymer (EVA) has a (VA) mass content of 10%-20% and a melt index of 1.5-2.5 g / 10 min (190° C. / 2.16 kg).

[0012] Preferably, the white carbon black is at least one of N220, N330, N550, and N990, more preferably N330.

[0013] Preferably, the lubricant is at least one of paraffin, stearic acid and zinc stearate. More preferably, paraffin and stearic acid are mixed in a mass ratio of 1:2.

[0014] Preferably, the foaming agent is at least one of sodium bicarbonate, azodicarbonamide, and dinitrosopentamethylenetetramine, and more preferably azodicarbonamide.

[0015] Preferably, the vulcanizing agent is sulfur or dicumyl peroxide, more preferably sulfur.

[0016] Preferably, the accelerator is at least one of accelerator M, accelerator CZ, and accelerator TMTD, and accelerator M is more preferred.

[0017] Preferably, the antioxidant is at least one of antioxidant 4010NA, antioxidant RD, and antioxidant BHT; more preferably, it is antioxidant 4010NA.

[0018] Preferably, the ultraviolet absorber is UV-327 or UV-531; more preferably, it is UV-327.

[0019] Preferably, the preparation method of the modified polyarylethersulfone comprises the following steps:

[0020] S1, using 2-aminohydroquinone as a reactant, first using acetic anhydride to protect the amino group, then activating the phenolic hydroxyl group under the action of a catalyst potassium carbonate, and then mixing with 4,4'-dichlorodiphenyl sulfone to carry out a condensation reaction. After the reaction is completed, the amino polyarylethersulfone is obtained after purification and drying;

[0021] S2, adding triethoxysilyl butyraldehyde to an aqueous solution of ethanol, stirring well, adding silicon micropowder, stirring at 55-65° C. for 3-7 hours, filtering out the powder, washing with water, and drying under reduced pressure to obtain aldehyded silicon micropowder;

[0022] S3, dissolving the amino polyarylethersulfone in dimethyl sulfoxide, adding formaldehyde silicon powder, adding glacial acetic acid to adjust the pH of the system to 4-6, after fully dispersing, heating to 100-120°C, keeping warm for 4-8h, after the reaction is completed, removing the solvent under reduced pressure, washing with water to neutrality, and vacuum drying to obtain modified polyarylethersulfone.

[0023] Preferably, in the amino protection process in S1, the mass ratio of 2-aminohydroquinone to acetic anhydride is 1.2:6-10, the reaction temperature is 140-150° C., and the reaction time is 2-5 h.

[0024] Preferably, in the process of activating the phenolic hydroxyl group in S1, a mixture of N-methylpyrrolidone and toluene is used as a solvent, and the mass volume ratio of 2-aminohydroquinone, potassium carbonate, N-methylpyrrolidone and toluene is 1.2 g: (1.8-3.6) g: (8-12) mL: (40-60) mL.

[0025] Preferably, in the polycondensation reaction in S1, the mass ratio of 2-aminohydroquinone to 4,4'-dichlorodiphenyl sulfone is 1.2:2.6-3.

[0026] Preferably, in S2, the particle size of the silicon micropowder is 1±0.1 μm, the mass fraction of the ethanol aqueous solution is 50%-70%, and the mass volume ratio of the silicon micropowder, triethoxysilylbutyraldehyde and ethanol aqueous solution is 1g:(0.3-0.6)g:(10-20)mL.

[0027] Preferably, in S3, the mass volume ratio of formaldehyded silicon powder, amino polyarylethersulfone and dimethylsulfoxide is 1 g:(1.1-1.6) g:(10-20) mL.

[0028] In a second aspect, the present invention provides a method for preparing an environmentally friendly sole material with a lightweight function, comprising the following steps:

[0029] Step 1, mixing natural rubber, cis-1,4-butadiene rubber and styrene-butadiene rubber in an open mill, refining at 75-85° C. for 3-8 minutes, adding ethylene-vinyl acetate copolymer, and continuing to refining for 5-10 minutes;

[0030] Step 2, then add white carbon black, modified polyarylethersulfone, lubricant, foaming agent, vulcanizing agent, accelerator, antioxidant and ultraviolet absorber, keep warm and mix, and then refine for 10-30 minutes;

[0031] Step 3, injecting into a vulcanizing machine for vulcanization treatment at 130-150° C. for 2-6 minutes, and compression molding at 165-170° C. and 10-20 MPa to obtain an environmentally friendly sole material.

[0032] The beneficial effects of the present invention are:

[0033] 1. The present invention prepares an environmentally friendly sole material, which is prepared by using a foamed rubber material. The main raw materials include natural rubber, butadiene rubber, styrene-butadiene rubber and EVA. The filler used is a composite of white carbon black and modified polyarylethersulfone, and other additives are also added. The sole material prepared by the present invention has the advantages of light weight, wear resistance, high strength, not easy to deform and good anti-slip property.

[0034] 2. The present invention uses a variety of rubbers to mix with EVA. The high mechanical strength of natural rubber and the softness and elasticity of EVA further enhance the buffering capacity of the foaming material. After the natural rubber and butadiene rubber are blended, the wear resistance is better than that of a single component. The aging resistance of styrene-butadiene rubber can extend the service life of the blended material.

[0035] 3. The modified polyarylethersulfone of the present invention is obtained by modification on the basis of silicon micropowder. The silicon micropowder is firstly subjected to aldehyde treatment, and then the aminated polyarylethersulfone is subjected to amine-aldehyde condensation to obtain the polyarylethersulfone containing Schiff base groups coated on the surface of the silicon micropowder. The modified polyarylethersulfone prepared by the present invention is used as a filling modifier, so that the strength, toughness and wear resistance of the obtained sole foaming material are improved to a certain extent. DETAILED DESCRIPTION

[0036] In order to better understand the above technical scheme, the exemplary embodiments of the present invention are described in more detail below. Although exemplary embodiments of the present invention are shown, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present invention and to enable the scope of the present invention to be fully communicated to those skilled in the art.

[0037] The present invention will be further described below in conjunction with the following examples.

[0038] Example 1

[0039] An environmentally friendly sole material with light weight function, calculated by weight, comprising:

[0040] 25 parts of natural rubber (NR), 15 parts of butadiene rubber (BR), 12 parts of styrene-butadiene rubber (SBR), 30 parts of ethylene-vinyl acetate copolymer (EVA), 32 parts of white carbon black, 15 parts of modified polyarylethersulfone, 2.5 parts of lubricant, 3 parts of foaming agent, 1.2 parts of vulcanizing agent, 2 parts of accelerator, 1 part of antioxidant and 0.9 parts of ultraviolet absorber.

[0041] Among them, natural rubber (NR) is SCR-10; butadiene rubber (BR) is BR-9000; styrene butadiene rubber (SBR) is SBR-50; the (VA) mass content of ethylene-vinyl acetate copolymer (EVA) is 15%, and the melt index is 2g / 10min (190℃ / 2.16kg).

[0042] Among them, the white carbon black is N330; the lubricant is a mixture of paraffin and stearic acid in a mass ratio of 1:2; the foaming agent is azodicarbonamide; the vulcanizing agent is sulfur; the accelerator is accelerator M; the antioxidant is antioxidant 4010NA; and the ultraviolet absorber is UV-327.

[0043] Wherein, the preparation method of modified polyarylethersulfone comprises the following steps:

[0044] S1, weigh 1.2g of 2-aminohydroquinone and add it to 8mL of acetic anhydride, stir well, stir at 145°C for 3h, and remove the acetic anhydride under reduced pressure to obtain product A; mix 10mL of N-methylpyrrolidone and 50mL of toluene as a solvent, add product A, and then add 2.4g of potassium carbonate as a catalyst, stir well, stir at 145°C for 3h, during which water is continuously separated, and then remove toluene under reduced pressure to obtain a product B mixed solution; add 2.8g of 4,4'-dichlorodiphenyl sulfone to the product B mixed solution, introduce nitrogen as a protective gas, stir and react at 170°C for 4h to obtain a product C mixed solution; add 2 times the volume of hot water to the product C mixed solution, collect the precipitate, dry the precipitate and dissolve it in dichloromethane, add trifluoroacetic acid, stir at room temperature for 1.5h, remove dichloromethane under reduced pressure, wash with water to remove trifluoroacetic acid, and dry in vacuum to obtain an amino polyarylethersulfone;

[0045] S2, adding 0.4 g of triethoxysilyl butyraldehyde to 15 mL of an aqueous solution of 60 wt% ethanol, stirring well, adding 1 g of silicon micropowder, stirring at 60° C. for 4 h, filtering out the powder, washing with water, and drying under reduced pressure to obtain aldehyded silicon micropowder;

[0046] S3, dissolve 1.3g of amino poly(arylethersulfone) in 15mL of dimethyl sulfoxide, add 1g of formaldehyde silicon powder, add glacial acetic acid to adjust the pH of the system to 5, after fully dispersed, heat to 110°C, keep warm for 6h, after the reaction is completed, remove the solvent under reduced pressure, wash with water until neutral, and vacuum dry to obtain modified poly(arylethersulfone).

[0047] The method for preparing the above-mentioned environmentally friendly sole material with lightweight function comprises the following steps:

[0048] Step 1, natural rubber, cis-1,4-butadiene rubber and styrene-butadiene rubber are mixed in an open mill, and the mixture is mixed at 80° C. for 5 minutes, ethylene-vinyl acetate copolymer is added, and the mixing is continued for 8 minutes;

[0049] Step 2, then add white carbon black, modified polyarylethersulfone, lubricant, foaming agent, vulcanizing agent, accelerator, antioxidant and ultraviolet absorber, keep warm and mix, and then refine for 20 minutes;

[0050] Step 3, injecting into a vulcanizing machine for vulcanization treatment at 140° C. for 4 minutes, and compression molding at 170° C. and 15 MPa to obtain an environmentally friendly sole material.

[0051] Example 2

[0052] An environmentally friendly sole material with light weight function, calculated by weight, comprising:

[0053] 15 parts of natural rubber (NR), 10 parts of butadiene rubber (BR), 8 parts of styrene-butadiene rubber (SBR), 20 parts of ethylene-vinyl acetate copolymer (EVA), 23 parts of white carbon black, 10 parts of modified polyarylethersulfone, 1.5 parts of lubricant, 2 parts of foaming agent, 0.6 parts of vulcanizing agent, 1 part of accelerator, 0.5 parts of antioxidant and 0.5 parts of ultraviolet absorber.

[0054] Among them, the natural rubber (NR) is SCR-5; the butadiene rubber (BR) is BR-9003; the styrene-butadiene rubber (SBR) is SBR-10; the (VA) mass content of the ethylene-vinyl acetate copolymer (EVA) is 15%, and the melt index is 2 g / 10 min (190° C. / 2.16 kg).

[0055] Among them, the white carbon black is N220; the lubricant is paraffin; the foaming agent is sodium bicarbonate; the vulcanizing agent is sulfur; the accelerator is accelerator CZ; the antioxidant is antioxidant RD; and the ultraviolet absorber is UV-327.

[0056] Wherein, the preparation method of the modified polyarylethersulfone comprises the following steps:

[0057] S1, weigh 1.2g of 2-aminohydroquinone and add it to 6mL of acetic anhydride, stir well, stir at 140°C for 2h, and remove acetic anhydride under reduced pressure to obtain product A; mix 8mL of N-methylpyrrolidone and 40mL of toluene as a solvent, add product A, and then add 1.8g of potassium carbonate as a catalyst, stir well, stir at 135°C for 2h, during which water is continuously separated, and then remove toluene under reduced pressure to obtain a product B mixed solution; add 2.6g of 4,4'-dichlorodiphenyl sulfone to the product B mixed solution, introduce nitrogen as a protective gas, stir and react at 160°C for 3h to obtain a product C mixed solution; add 2 times the volume of hot water to the product C mixed solution, collect the precipitate, dry the precipitate and dissolve it in dichloromethane, add trifluoroacetic acid, stir at room temperature for 1h, remove dichloromethane under reduced pressure, wash with water to remove trifluoroacetic acid, and dry in vacuum to obtain an amino polyarylethersulfone;

[0058] S2, adding 0.3 g of triethoxysilyl butyraldehyde to 10 mL of an aqueous solution of 50 wt% ethanol, stirring well, adding 1 g of silicon micropowder, stirring at 55° C. for 3 h, filtering out the powder, washing with water, and drying under reduced pressure to obtain aldehyded silicon micropowder;

[0059] S3, dissolve 1.1g of amino poly(arylethersulfone) in 10mL of dimethyl sulfoxide, add 1g of formaldehyde silicon powder, add glacial acetic acid to adjust the pH of the system to 4, after fully dispersed, heat to 100°C, keep warm for 4h, after the reaction is completed, remove the solvent under reduced pressure, wash with water to neutrality, and vacuum dry to obtain modified poly(arylethersulfone).

[0060] The method for preparing the above-mentioned environmentally friendly sole material with lightweight function comprises the following steps:

[0061] Step 1, natural rubber, cis-1,4-butadiene rubber and styrene-butadiene rubber are mixed in an open mill, and the mixture is milled at 75° C. for 3 min, ethylene-vinyl acetate copolymer is added, and the mixture is further milled for 5 min;

[0062] Step 2, then add white carbon black, modified polyarylethersulfone, lubricant, foaming agent, vulcanizing agent, accelerator, antioxidant and ultraviolet absorber, keep warm and mix, and then refine for 10 minutes;

[0063] Step 3, injecting into a vulcanizing machine for vulcanization treatment at 130° C. for 2 minutes, and compression molding at 165° C. and 10 MPa to obtain an environmentally friendly sole material.

[0064] Example 3

[0065] An environmentally friendly sole material with light weight function, calculated by weight, comprising:

[0066] 35 parts of natural rubber (NR), 20 parts of butadiene rubber (BR), 16 parts of styrene-butadiene rubber (SBR), 40 parts of ethylene-vinyl acetate copolymer (EVA), 47 parts of white carbon black, 20 parts of modified polyarylethersulfone, 3.5 parts of lubricant, 4 parts of foaming agent, 1.8 parts of vulcanizing agent, 3 parts of accelerator, 1.5 parts of antioxidant and 1.5 parts of ultraviolet absorber.

[0067] Among them, the natural rubber (NR) is SCR-20; the butadiene rubber (BR) is BR-9101; the styrene-butadiene rubber (SBR) is SBR-50; the (VA) mass content of the ethylene-vinyl acetate copolymer (EVA) is 20%, and the melt index is 2.5 g / 10 min (190° C. / 2.16 kg).

[0068] Among them, the white carbon black is N990; the lubricant is zinc stearate; the foaming agent is dinitrosopentamethylenetetramine; the vulcanizing agent is diisopropylbenzene peroxide; the accelerator is accelerator TMTD; the antioxidant is antioxidant BHT; and the ultraviolet absorber is UV-531.

[0069] Wherein, the preparation method of the modified polyarylethersulfone comprises the following steps:

[0070] S1, weigh 1.2g of 2-aminohydroquinone and add it to 10mL of acetic anhydride, stir well, stir at 150°C for 5h, and remove the acetic anhydride under reduced pressure to obtain product A; mix 12mL of N-methylpyrrolidone and 60mL of toluene as a solvent, add product A, and then add 3.6g of potassium carbonate as a catalyst, stir well, stir at 155°C for 5h, during which water is continuously separated, and then remove toluene under reduced pressure to obtain a product B mixed solution; add 3g of 4,4'-dichlorodiphenyl sulfone to the product B mixed solution, introduce nitrogen as a protective gas, stir and react at 190°C for 6h to obtain a product C mixed solution; add 3 times the volume of hot water to the product C mixed solution, collect the precipitate, dry the precipitate and dissolve it in dichloromethane, add trifluoroacetic acid, stir at room temperature for 2h, remove dichloromethane under reduced pressure, wash with water to remove trifluoroacetic acid, and dry in vacuum to obtain an amino polyarylethersulfone;

[0071] S2, adding 0.6 g of triethoxysilyl butyraldehyde to 20 mL of an aqueous solution of 70 wt% ethanol, stirring well, adding 1 g of silicon micropowder, stirring at 65° C. for 7 h, filtering out the powder, washing with water, and drying under reduced pressure to obtain aldehyded silicon micropowder;

[0072] S3, dissolve 1.6g of amino poly(arylethersulfone) in 20mL of dimethyl sulfoxide, add 1g of formaldehyde silicon powder, add glacial acetic acid dropwise to adjust the pH of the system to 6, after sufficient dispersion, heat to 120°C, keep warm for 8h, after the reaction is completed, remove the solvent under reduced pressure, wash with water until neutral, and dry in vacuum to obtain modified poly(arylethersulfone).

[0073] The method for preparing the above-mentioned environmentally friendly sole material with lightweight function comprises the following steps:

[0074] Step 1, natural rubber, cis-1,4-butadiene rubber and styrene-butadiene rubber are mixed in an open mill, and the mixture is milled at 85° C. for 8 minutes, ethylene-vinyl acetate copolymer is added, and the mixture is further milled for 10 minutes;

[0075] Step 2, then add white carbon black, modified polyarylethersulfone, lubricant, foaming agent, vulcanizing agent, accelerator, antioxidant and ultraviolet absorber, keep warm and mix, and then refine for 30 minutes;

[0076] Step 3, injecting into a vulcanizing machine for vulcanization treatment at 150° C. for 6 minutes, and compression molding at 170° C. and 20 MPa to obtain an environmentally friendly sole material.

[0077] Comparative Example 1

[0078] An environmentally friendly sole material with lightweight function, which differs from Example 1 in that the modified polyarylethersulfone in the ingredients is replaced by amino polyarylethersulfone, and the other ingredients and preparation method remain unchanged.

[0079] Comparative Example 2

[0080] An environmentally friendly sole material with lightweight function, which differs from Example 1 in that the modified polyarylethersulfone in the ingredients is replaced by amino polyarylethersulfone and silicon micropowder, the mass ratio of amino polyarylethersulfone to silicon micropowder is 1.3:1, and the other ingredients and preparation method remain unchanged.

[0081] The properties of the sole materials prepared in Example 1 and Comparative Examples 1-3 were tested. The tensile strength test was based on GB / T528-2009, the compression deformation test was based on HG / T 4806-2015, the wear resistance (DIN wear resistance) test was based on GB / T 9867-2008, and the anti-slip test was based on SATRA TM1342729-1995. The test results are shown in the following table:

[0082]

[0083] It can be seen from the results in the above table that the sole material prepared in Example 1 of the present invention has better tensile strength, lower compression deformation rate, smaller wear and a larger anti-slip coefficient. In summary, it is shown that the sole material prepared in Example 1 of the present invention has the advantages of wear resistance, high strength, not easy to deform and good anti-slip properties.

[0084] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some or all of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An environmentally friendly sole material with lightweight function, characterized in that: Calculated by weight, including: 15-35 parts of natural rubber, 10-20 parts of butadiene rubber, 8-16 parts of styrene-butadiene rubber, 20-40 parts of ethylene-vinyl acetate copolymer, 23-47 parts of white carbon black, 10-20 parts of modified polyarylethersulfone, 1.5-3.5 parts of lubricant, 2-4 parts of foaming agent, 0.6-1.8 parts of vulcanizing agent, 1-3 parts of accelerator, 0.5-1.5 parts of antioxidant and 0.5-1.5 parts of ultraviolet absorber.

2. The environmentally friendly sole material with lightweight function according to claim 1, characterized in that: The natural rubber (NR) is at least one of SCR-5, SCR-10, SCR-20, and SCR-50; the butadiene rubber is at least one of BR-9000, BR-9003, BR-9101, BR-1240, BR-1340, and BR-1550; the styrene-butadiene rubber is at least one of SBR-10, SBR-30, and SBR-50; and the VA mass content of the ethylene-vinyl acetate copolymer is 10%-20%.

3. The environmentally friendly sole material with lightweight function according to claim 1, characterized in that: The white carbon black is at least one of N220, N330, N550, and N990; the lubricant is at least one of paraffin, stearic acid, and zinc stearate; and the foaming agent is at least one of sodium bicarbonate, azodicarbonamide, and dinitrosopentamethylenetetramine.

4. The environmentally friendly sole material with lightweight function according to claim 1, characterized in that: The vulcanizing agent is sulfur or dicumyl peroxide; the accelerator is at least one of accelerator M, accelerator CZ, and accelerator TMTD.

5. The environmentally friendly sole material with lightweight function according to claim 1, characterized in that: The antioxidant is at least one of antioxidant 4010NA, antioxidant RD, and antioxidant BHT; the ultraviolet absorber is UV-327 or UV-531, and more preferably UV-327.

6. The environmentally friendly sole material with lightweight function according to claim 1, characterized in that: The preparation method of the modified polyarylethersulfone comprises the following steps: S1, using 2-aminohydroquinone as a reactant, first using acetic anhydride to protect the amino group, then activating the phenolic hydroxyl group under the action of a catalyst potassium carbonate, and then mixing with 4,4'-dichlorodiphenyl sulfone to carry out a condensation reaction. After the reaction is completed, the amino polyarylethersulfone is obtained after purification and drying; S2, adding triethoxysilyl butyraldehyde to an aqueous solution of ethanol, stirring well, adding silicon micropowder, stirring at 55-65° C. for 3-7 hours, filtering out the powder, washing with water, and drying under reduced pressure to obtain aldehyded silicon micropowder; S3, dissolving the amino polyarylethersulfone in dimethyl sulfoxide, adding formaldehyde silicon powder, adding glacial acetic acid to adjust the pH of the system to 4-6, after fully dispersing, heating to 100-120°C, keeping warm for 4-8h, after the reaction is completed, removing the solvent under reduced pressure, washing with water to neutrality, and vacuum drying to obtain modified polyarylethersulfone.

7. The environmentally friendly sole material with light weight function according to claim 6, characterized in that: During the amino protection process in S1, the mass ratio of 2-aminohydroquinone to acetic anhydride is 1.2:6-10; in the polycondensation reaction in S1, the mass ratio of 2-aminohydroquinone to 4,4'-dichlorodiphenyl sulfone is 1.2:2.6-3.

8. The environmentally friendly sole material with light weight function according to claim 1, characterized in that: In the S2, the mass fraction of the ethanol aqueous solution is 50%-70%, and the mass volume ratio of the silicon micropowder, triethoxysilylbutyraldehyde and the ethanol aqueous solution is 1g:(0.3-0.6)g:(10-20)mL.

9. The environmentally friendly sole material with light weight function according to claim 1, characterized in that: In the S3, the mass volume ratio of the formaldehyded silicon powder, the amino polyarylethersulfone and the dimethylsulfoxide is 1 g: (1.1-1.6) g: (10-20) mL.

10. A method for preparing the environmentally friendly sole material with lightweight function as claimed in claim 1, characterized in that: The following steps are involved: Step 1, mixing natural rubber, cis-1,4-butadiene rubber and styrene-butadiene rubber in an open mill, refining at 75-85° C. for 3-8 minutes, adding ethylene-vinyl acetate copolymer, and continuing to refining for 5-10 minutes; Step 2, then add white carbon black, modified polyarylethersulfone, lubricant, foaming agent, vulcanizing agent, accelerator, antioxidant and ultraviolet absorber, keep warm and mix, and then refine for 10-30 minutes; Step 3, injecting into a vulcanizing machine for vulcanization treatment at 130-150° C. for 2-6 minutes, and compression molding at 165-170° C. and 10-20 MPa to obtain an environmentally friendly sole material.

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