High-elastic wear-resistant sports shoe material and preparation method thereof

Abstract

The present application relates to the technical field of shoe material, and particularly relates to a high-elastic wear-resistant sports shoe material and a preparation method thereof, which comprises the following raw materials in parts by weight: modified EVA body 40-45 parts, natural rubber 30-35 parts, reinforcing agent 8-12 parts, nano silver agent 8-12 parts, zinc oxide 5-8 parts, calcium stearate 3-5 parts, AC foaming agent 2-3 parts, paraffin 2-3 parts, crosslinking agent 0.5-0.8 parts and anti-aging agent 1-3 parts. The sports shoe material of the present application uses the modified EVA body in combination with the natural rubber, and adds the raw materials such as zinc oxide, calcium stearate, AC foaming agent, paraffin and crosslinking agent as functional additives, so that the prepared sports shoe material can improve the elastic performance and wear resistance of the product, and can inhibit the growth of bacteria, thereby improving the performance effect of the product.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of shoe materials, in particular to a high-elastic wear-resistant sports shoe material and a preparation method thereof. BACKGROUND

[0002] Sports shoes are a kind of footwear specially designed for various sports activities, which have the functions of protecting feet, providing comfort and enhancing sports performance, etc. The design and materials of sports shoes vary according to the type of sports and the needs of users, such as running shoes, basketball shoes, football shoes, etc. to provide the best support and protection. The existing sports shoe material adopts EVA foaming material, which can improve the elastic performance of the product, but it is easy to reduce the wear resistance of the product, which affects the use efficiency of the product. Therefore, the present application further improves it. SUMMARY

[0003] In view of the defects of the prior art, the purpose of the present application is to provide a high-elastic wear-resistant sports shoe material and a preparation method thereof to solve the problems raised in the background art.

[0004] The technical problem solved by the present application adopts the following technical scheme:

[0005] The present application provides a high-elastic wear-resistant sports shoe material, which comprises the following raw materials by weight:

[0006] 40-45 parts of modified EVA, 30-35 parts of natural rubber, 8-12 parts of reinforcing agent, 8-12 parts of nano-silver agent, 5-8 parts of zinc oxide, 3-5 parts of calcium stearate, 2-3 parts of AC foaming agent, 2-3 parts of paraffin, 0.5-0.8 parts of crosslinking agent and 1-3 parts of antioxidant.

[0007] Preferably, the antioxidant is antioxidant RD, and the crosslinking agent is prepared from sulfur and dicumyl peroxide in a weight ratio of 2:1.

[0008] The preparation method of the nano-silver agent is as follows: nano-silver powder is added to a 15% sodium dodecylbenzenesulfonate solution with a mass fraction of 5-8 times the total weight of the nano-silver powder, stirred and dispersed uniformly, then 25-30% silane liquid and 25-30% trioxane body of the total weight of the nano-silver powder are added, stirred at a stirring speed of 350-400 r / min for 1 h at a stirring temperature of 48-52℃, and finally filtered and dried to obtain the nano-silver agent.

[0009] Preferably, the preparation method of the silane liquid is as follows: silane coupling agent KH560, ethanol and water are stirred at a weight ratio of (3-5):(8-11):(5-6) at a stirring temperature of 50℃ and a stirring speed of 300-350 r / min for 1 h.

[0010] The preparation method of the melamine formaldehyde body is: mixing melamine and polyformaldehyde according to the weight ratio of 1:(3-5), then adding 5-8 times of distilled water of the total weight of melamine, adjusting the pH to 7.5 with sodium hydroxide, heating to 76℃ under stirring for 30min, then adding 10-15% of the total weight of melamine of the modifier p-phenylenediamine, maintaining the temperature and continuing to stir for 1h to obtain the melamine formaldehyde body.

[0011] Preferably, the preparation method of the modified EVA body is:

[0012] S11: compounding montmorillonite and silicon dioxide according to the weight ratio of 3:2 to form a compound; treating the compound, 1-hydroxymethyl pyrazole-3-carboxylic acid, polyethylene glycol 400 and phosphorous acid according to the weight ratio of (2-4):(4-6):(1-3):0.08 by A adjustment, then filtering and drying to obtain an A adjusted agent;

[0013] S12: preparing a zeolite molecular sieve-organic compound B body:

[0014] S12a: soaking the zeolite molecular sieve in sufficient amount of 8% mass fraction sodium hydroxide solution for 2h, after soaking, washing with water, filtering and drying to obtain a pretreated zeolite molecular sieve;

[0015] S12b: uniformly mixing γ-aminopropyl triethoxysilane and 55-65% mass fraction ethanol solution according to the weight ratio of 3:(8-11), then adding hydrochloric acid to adjust the pH value to 4.5 to obtain an organic B liquid;

[0016] B grinding the pretreated zeolite molecular sieve and the organic B liquid according to the weight ratio of 7:(3-5) to obtain a zeolite molecular sieve-organic compound B body;

[0017] S13: adding EVA to tetrahydrofuran according to the weight ratio of 5:(11-13) to obtain an EVA liquid; stirring the A adjusted agent and the EVA liquid according to the weight ratio of (3-5):11 to obtain an A adjusted EVA agent;

[0018] S14: continuing to stir the A adjusted EVA agent and the zeolite molecular sieve-organic compound B body according to the weight ratio of (11-15):5 to obtain a modified EVA body.

[0019] The modified EVA body is prepared by treating EVA with tetrahydrofuran to form an EVA liquid, compounding montmorillonite and silicon dioxide, and then mixing 1-hydroxymethyl pyrazole-3-carboxylic acid, polyethylene glycol 400 and phosphorous acid to form a modified A agent, and then improving the modified A agent and the EVA liquid by mutual coordination between the raw materials, and cooperating together to form a layered montmorillonite structure with high specific surface area of silicon dioxide as a bearing structure to bear the system interface and optimize the performance of the product, and then improving the zeolite molecular sieve by sodium hydroxide solution, and then mixing γ-aminopropyl triethoxysilane, an ethanol solution with a mass fraction of 55-65%, and hydrochloric acid to form an organic B liquid, and then improving the zeolite molecular sieve medium system by the modified A agent and the zeolite molecular sieve-organic compound B body, and then preparing the modified EVA body to enhance the performance coordination and comprehensive performance of the product in the system.

[0020] Preferably, the A treatment is treated by stirring at a stirring speed of 550-750 r / min for 2 h; and the B grinding treatment is treated by ball milling at a ball milling speed of 1000-1500 r / min for 2 h.

[0021] Preferably, the stirring temperature of the first-stage stirring treatment is 50-55℃, the stirring speed is 450-500 r / min, and the stirring time is 2 h; and the stirring temperature of the second-stage stirring treatment is 48-52℃, the stirring speed is 700-800 r / min, and the stirring time is 1 h.

[0022] The EVA has an ethylene vinyl acetate content of 25% and a melt index of 2 g / 10 min.

[0023] Preferably, the preparation method of the reinforcing agent is as follows:

[0024] S101: uniformly blend silicon powder and an ethyl cellulose aqueous solution with a mass fraction of 8% according to a weight ratio of 5: (11-13), and then add 5-8% of the total weight of the silicon powder of tannic acid and 15-20% of the total weight of the silicon powder of polyester fiber, fully blend, and finally filter and dry to obtain a silicon powder-polyester fiber modified body;

[0025] S102: uniformly blend 8-11 parts by weight of a polyvinyl alcohol solution, 3-5 parts by weight of a silane coupling agent KH550, and 2-4 parts by weight of soybean oil acid to obtain a treatment liquid;

[0026] Preheat the graphene at 55-60℃ for 1 h to obtain preheated graphene; ultrasonically treat the preheated graphene and the treatment liquid according to a mass ratio of 3:7, and after the ultrasonic treatment is completed, obtain a doped graphene treatment liquid;

[0027] S103: The silicon powder-polyester fiber modifier, the graphene doped treatment liquid is blended and ball milled according to the weight ratio 7:(3-4), the ball milling speed is 1000-1500r / min, the ball milling time is 2h, after the ball milling, the filter-drying is carried out, and the reinforcing agent is obtained.

[0028] The polyvinyl alcohol solution, the silane coupling agent KH550 and the soybean oil acid of the reinforcing agent are optimized and improved, the graphene is preheated and improved, the graphene doped treatment liquid is prepared by cooperating with the treatment liquid, the organic interface of the graphene is enhanced in the system, the system structure is filled, and the performance effect of the product is further improved, the silicon powder is combined with the ethyl cellulose aqueous solution, the tannic acid and the polyester fiber raw material, the silicon powder-polyester fiber modifier is prepared by improving and optimizing the mutual combination of the raw materials, the silicon powder-polyester fiber modifier is better combined with the graphene doped treatment liquid, and the reinforcing agent obtained in the system further improves the performance effect of the product.

[0029] Preferably, the ultrasonic power of the ultrasonic treatment is 350-400W, and the ultrasonic time is 1h.

[0030] The application further provides a preparation method of the high-elasticity and wear-resistant sports shoe material.

[0031] The raw materials of the high-elasticity and wear-resistant sports shoe material are weighed according to the weight parts, the raw materials are first mixed and treated, the mixing temperature is 75-80 DEG C, the mixing time is 5min, then the vulcanization treatment is carried out, finally the mold pressing is carried out, and the high-elasticity and wear-resistant sports shoe material is obtained.

[0032] Preferably, the vulcanization temperature of the vulcanization treatment is 160-165 DEG C, the vulcanization time is 2min, the pressure of the mold pressing is 15-20MPa, and the mold pressing time is 20min.

[0033] Compared with the prior art, the application has the following beneficial effects:

[0034] The modified EVA body, the natural rubber, the zinc oxide, the calcium stearate, the AC foaming agent, the paraffin, the crosslinking agent and the like are used as the functional additives in the sports shoe material, the nano silver agent is added in the system to optimize the antibacterial performance of the product, the nano silver agent is prepared by optimizing the dispersity of the nano silver in the sodium dodecyl benzene sulfonate solution, the trioxane body provides a plurality of active groups for the nano silver agent, the nano silver agent is combined with the EVA and the rubber product system better, the dispersity and the combination of the nano silver agent are optimized, the silane liquid is prepared by optimizing the silane coupling agent and the like, the interface between the systems is further enhanced, the antibacterial performance of the product is enhanced, the reinforcing agent is combined with the modified EVA body, the product is further improved, the elasticity performance and the wear resistance of the product are improved, and the growth of bacteria is inhibited. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0036] The high-elastic wear-resistant sports shoe material in the embodiment comprises the following raw materials in parts by weight:

[0037] The modified EVA body is 40-45 parts, the natural rubber is 30-35 parts, the reinforcing agent is 8-12 parts, the nano silver agent is 8-12 parts, the zinc oxide is 5-8 parts, the calcium stearate is 3-5 parts, the AC foaming agent is 2-3 parts, the paraffin is 2-3 parts, the crosslinking agent is 0.5-0.8 parts, and the antioxidant is 1-3 parts.

[0038] The antioxidant in the embodiment is antioxidant RD, and the crosslinking agent is sulfur and dicumyl peroxide prepared according to a weight ratio of 2:1.

[0039] The preparation method of the nano silver agent is as follows: the nano silver powder is added into a 15% sodium dodecyl benzene sulfonate solution with a mass fraction of 5-8 times the total weight of the nano silver powder, stirred and uniformly dispersed, then the total weight of the nano silver powder is 25-30% of the silane liquid and the total weight of the nano silver powder is 25-30% of the trioxymethylene body, stirred and treated, the stirring speed is 350-400 r / min, the stirring time is 1 h, and the stirring temperature is 48-52℃, finally, the nano silver agent is obtained by filtration and drying.

[0040] The preparation method of the silane liquid in the embodiment is as follows: the silane coupling agent KH560, ethanol and water are stirred and treated according to a weight ratio of (3-5):(8-11):(5-6), the stirring temperature is 50℃, the stirring speed is 300-350 r / min, and the stirring time is 1 h.

[0041] The preparation method of the trioxymethylene body is as follows: melamine and polyformaldehyde are mixed according to a weight ratio of 1:(3-5), then 5-8 times the total weight of the melamine is added into distilled water, the pH is adjusted to 7.5 by sodium hydroxide, the temperature is increased to 76℃ under stirring, the reaction is performed for 30 min, then 10-15% of the total weight of the melamine is added into the modified agent terephthaldehyde, the temperature is maintained, and the stirring is continued for 1 h, so that the trioxymethylene body is obtained.

[0042] The preparation method of the modified EVA body in the embodiment is as follows:

[0043] S11: Montmorillonite, silicon dioxide are compounded according to a weight ratio of 3:2 to form a compound; the compound, 1-hydroxymethyl pyrazole-3-carboxylic acid, polyethylene glycol 400 and phosphorous acid are treated by A adjustment according to a weight ratio of (2-4):(4-6):(1-3):0.08, and then are subjected to suction filtration and drying to obtain an A adjustment agent;

[0044] S12: Preparation of zeolite molecular sieve-organic compound B:

[0045] S12a: The zeolite molecular sieve is soaked in a sufficient amount of a sodium hydroxide solution with a mass fraction of 8% for 2 hours; after the soaking, the zeolite molecular sieve is subjected to water washing, suction filtration and drying to obtain a pretreated zeolite molecular sieve;

[0046] S12b: The γ-aminopropyl triethoxysilane and the ethanol solution with a mass fraction of 55-65% are uniformly mixed according to a weight ratio of 3:(8-11), and then hydrochloric acid is added to adjust the pH value to 4.5 to obtain an organic compound B solution;

[0047] The pretreated zeolite molecular sieve and the organic compound B solution are subjected to B milling treatment according to a weight ratio of 7:(3-5) to obtain a zeolite molecular sieve-organic compound B;

[0048] S13: The EVA is added into tetrahydrofuran according to a weight ratio of 5:(11-13) to obtain an EVA solution; the A adjustment agent and the EVA solution are subjected to primary stirring treatment according to a weight ratio of (3-5):11, and then are subjected to suction filtration and drying to obtain an A adjustment EVA agent;

[0049] S14: The A adjustment EVA agent and the zeolite molecular sieve-organic compound B are subjected to secondary stirring treatment according to a weight ratio of (11-15):5, and then are subjected to suction filtration and drying to obtain a modified EVA.

[0050] The A adjustment treatment in the embodiment is performed by stirring at a stirring speed of 550-750 r / min for 2 hours; and the B milling treatment is performed by ball milling at a ball milling speed of 1000-1500 r / min for 2 hours.

[0051] The primary stirring treatment in the embodiment is performed at a stirring temperature of 50-55 ℃ and a stirring speed of 450-500 r / min for 2 hours; and the secondary stirring treatment is performed at a stirring temperature of 48-52 ℃ and a stirring speed of 700-800 r / min for 1 hour.

[0052] The EVA has a vinyl acetate content of 25% and a melt index of 2 g / 10 min.

[0053] The preparation method of the reinforcing agent in the embodiment is as follows:

[0054] S101: blend the silicon powder and the 8% by mass ethyl cellulose aqueous solution uniformly according to the weight ratio of 5: (11-13), then add 5-8% of the total weight of the silicon powder of tannic acid and 15-20% of the total weight of the silicon powder of polyester fiber, blend thoroughly, and finally filter and dry to obtain the silicon powder-polyester fiber modifier;

[0055] S102: blend 8-11 parts by weight of the polyvinyl alcohol solution, 3-5 parts by weight of the silane coupling agent KH550 and 2-4 parts by weight of the soybean oil acid uniformly to obtain the treatment liquid;

[0056] Preheat the graphene at 55-60℃ for 1h to obtain the preheated graphene; ultrasonically treat the preheated graphene and the treatment liquid according to the mass ratio of 3:7, and obtain the graphene-doped treatment liquid after the ultrasonic treatment is completed;

[0057] S103: blend and ball mill the silicon powder-polyester fiber modifier and the graphene-doped treatment liquid according to the weight ratio of 7: (3-4), the ball milling speed is 1000-1500r / min, the ball milling time is 2h, and the reinforcing agent is obtained after the ball milling is completed, filtration and drying.

[0058] The ultrasonic power of the ultrasonic treatment in this embodiment is 350-400W, and the ultrasonic time is 1h; the mass fraction of the polyvinyl alcohol solution is 8-12%.

[0059] The preparation method of the high-elastic wear-resistant sports shoe material in this embodiment includes the following steps:

[0060] The raw materials of the high-elastic wear-resistant sports shoe material are weighed according to the weight parts, the raw materials are first mixed and treated, the mixing temperature is 75-80℃, the mixing time is 5min, then vulcanization treatment is performed, and finally the high-elastic wear-resistant sports shoe material is obtained by mold pressing.

[0061] The vulcanization temperature of the vulcanization treatment in this embodiment is 160-165℃, and the vulcanization time is 2min; the pressure of the mold pressing is 15-20MPa, and the mold pressing time is 20min.

[0062] Embodiment 1: A high-elastic wear-resistant sports shoe material includes the following raw materials by weight parts:

[0063] The modified EVA body is 40 parts, the natural rubber is 30 parts, the reinforcing agent is 8 parts, the nano-silver agent is 8 parts, the zinc oxide is 5 parts, the calcium stearate is 3 parts, the AC foaming agent is 2 parts, the paraffin is 2 parts, the crosslinking agent is 0.5 parts, and the antioxidant is 1 part.

[0064] The antioxidant in this embodiment is antioxidant RD; the crosslinking agent is prepared by mixing sulfur and dicumyl peroxide according to the weight ratio of 2:1;

[0065] The preparation method of the nano-silver agent is as follows: the nano-silver powder is added into a 15% sodium dodecyl benzene sulfonate solution with a mass fraction of 5 times the total weight of the nano-silver powder, and stirred and dispersed uniformly, then 25% silane solution and 25% trioxymethylene are added, and stirring treatment is performed at a stirring speed of 350 r / min for 1 h at a stirring temperature of 48℃, and finally filtration and drying are performed to obtain the nano-silver agent.

[0066] The preparation method of the silane solution in the embodiment is as follows: the silane coupling agent KH560, ethanol and water are stirred and treated at a weight ratio of 3:8:5 at a stirring temperature of 50℃ and a stirring speed of 300 r / min for 1 h;

[0067] The preparation method of the trioxymethylene is as follows: melamine and polyformaldehyde are mixed at a weight ratio of 1:3, then 5 times the total weight of the melamine is added into distilled water, sodium hydroxide is used to adjust the pH to 7.5, the temperature is increased to 76℃ under stirring, and reaction is performed for 30 min, then 10% modifier p-phenylenediamine is added into the melamine, the temperature is maintained, and stirring is continued for 1 h to obtain the trioxymethylene.

[0068] The preparation method of the modified EVA agent in the embodiment is as follows:

[0069] S11: Montmorillonite and silicon dioxide are compounded at a weight ratio of 3:2 to form a compounded material; the compounded material, 1-hydroxymethyl pyrazole-3-carboxylic acid, polyethylene glycol 400 and phosphorous acid are A-adjusted at a weight ratio of 2:4:1:0.08, and then filtration and drying are performed to obtain an A-adjusted agent;

[0070] S12: A zeolite molecular sieve-organic compound B agent is prepared.

[0071] S12a: The zeolite molecular sieve is soaked in a sufficient amount of 8% sodium hydroxide solution for 2 h, and after the soaking is completed, water washing, filtration and drying are performed to obtain a pretreated zeolite molecular sieve;

[0072] S12b: γ-aminopropyl triethoxysilane and a 55% ethanol solution are uniformly mixed at a weight ratio of 3:8, and then hydrochloric acid is added to adjust the pH to 4.5 to obtain an organic B solution;

[0073] The pretreated zeolite molecular sieve and the organic B solution are B-milled at a weight ratio of 7:3, and after the milling is completed, a zeolite molecular sieve-organic compound B agent is obtained.

[0074] S13: EVA is added into tetrahydrofuran at a weight ratio of 5:11 to obtain an EVA solution; the A-adjusted agent and the EVA solution are first stirred and treated at a weight ratio of 3:11, and then filtration and drying are performed to obtain an A-adjusted EVA agent;

[0075] S14: continue secondary stirring treatment of the A-tuned EVA agent and the zeolite molecular sieve-organic compound B body according to a weight ratio of 11:5, after stirring, filter and dry to obtain a modified EVA body.

[0076] The A-tuned treatment of the embodiment is processed in a stirring manner, the stirring speed is 550 r / min, and the stirring time is 2 h; the B-milling treatment is processed in a ball milling manner, the ball milling speed is 1000 r / min, and the ball milling time is 2 h.

[0077] The stirring temperature of the primary stirring treatment of the embodiment is 50℃, the stirring speed is 450 r / min, and the stirring time is 2 h; the stirring temperature of the secondary stirring treatment is 48℃, the stirring speed is 700 r / min, and the stirring time is 1 h;

[0078] The EVA has a vinyl acetate content of 25% and a melt index of 2 g / 10 min.

[0079] The preparation method of the reinforcing agent of the embodiment is as follows:

[0080] S101: uniformly blend silicon powder and an ethyl cellulose aqueous solution with a mass fraction of 8% according to a weight ratio of 5:11, then add 5% of the total weight of the silicon powder of tannic acid and 15% of the total weight of the silicon powder of polyester fiber, fully blend, and finally filter and dry to obtain a silicon powder-polyester fiber modified body;

[0081] S102: uniformly blend 8 parts by weight of a polyvinyl alcohol solution, 3 parts by weight of silane coupling agent KH550, and 2 parts by weight of soybean oil acid to obtain a treatment liquid;

[0082] Preheat the graphene at 55℃ for 1 h to obtain preheated graphene; ultrasonically treat the preheated graphene and the treatment liquid according to a mass ratio of 3:7, and after ultrasonic treatment, obtain a graphene-doped treatment liquid;

[0083] S103: blend and ball mill the silicon powder-polyester fiber modified body and the graphene-doped treatment liquid according to a weight ratio of 7:3, the ball milling speed is 1000 r / min, the ball milling time is 2 h, after ball milling, filter and dry to obtain a reinforcing agent.

[0084] The ultrasonic power of the ultrasonic treatment of the embodiment is 350 W, and the ultrasonic time is 1 h; the mass fraction of the polyvinyl alcohol solution is 8%.

[0085] The preparation method of the high-elastic wear-resistant sports shoe material of the embodiment includes the following steps:

[0086] According to the weight parts, the raw materials of the high-elastic wear-resistant sports shoe material are weighed, the raw materials are first mixed and treated, the mixing temperature is 75℃, the mixing time is 5 min, then vulcanization treatment is performed, and finally, the high-elastic wear-resistant sports shoe material is molded to obtain the high-elastic wear-resistant sports shoe material.

[0087] The vulcanization temperature of the vulcanization treatment of this embodiment is 160℃, and the vulcanization time is 2min; the pressure of the mold pressing is 15MPa, and the mold pressing time is 20min.

[0088] Example 2: a high-elastic wear-resistant sports shoe material, comprising the following raw materials by weight:

[0089] The modified EVA body is 45 parts, the natural rubber is 35 parts, the reinforcing agent is 12 parts, the nano silver agent is 12 parts, the zinc oxide is 8 parts, the calcium stearate is 5 parts, the AC foaming agent is 3 parts, the paraffin is 3 parts, the crosslinking agent is 0.8 parts, and the antioxidant is 3 parts.

[0090] The antioxidant of this embodiment is antioxidant RD; the crosslinking agent is sulfur and dicumyl peroxide, which are prepared in a weight ratio of 2:1;

[0091] The preparation method of the nano silver agent is as follows: the nano silver powder is added into a 15% sodium dodecyl benzene sulfonate solution with a mass fraction of 8 times the total weight of the nano silver powder, stirred and uniformly dispersed, then 30% silane solution and 30% trioxymethylene body of the total weight of the nano silver powder are added, stirred and treated, the stirring speed is 400r / min, the stirring time is 1h, and the stirring temperature is 52℃, finally, the mixture is filtered and dried to obtain the nano silver agent.

[0092] The preparation method of the silane solution of this embodiment is as follows: the silane coupling agent KH560, ethanol and water are stirred and treated in a weight ratio of 5:11:6, the stirring temperature is 50℃, the stirring speed is 350r / min, and the stirring time is 1h;

[0093] The preparation method of the trioxymethylene body is as follows: melamine and polyformaldehyde are mixed in a weight ratio of 1:5, then 8 times distilled water of the total weight of the melamine is added, the pH is adjusted to 7.5 with sodium hydroxide, the temperature is raised to 76℃ under stirring, and the reaction is carried out for 30min, then 15% modifier terephthaldehyde of the total weight of the melamine is added, the temperature is maintained, and the stirring is continued for 1h to obtain the trioxymethylene body.

[0094] The preparation method of the modified EVA body of this embodiment is as follows:

[0095] S11: The montmorillonite and the silicon dioxide are compounded in a weight ratio of 3:2 to form a compounded material; the compounded material, 1-hydroxymethyl pyrazole-3-carboxylic acid, polyethylene glycol 400 and phosphorous acid are A-adjusted in a weight ratio of 4:6:3:0.08, then filtered and dried to obtain the A-adjusted agent;

[0096] S12: Preparation of zeolite molecular sieve-organic compound B body:

[0097] S12a: The zeolite molecular sieve is soaked in a sufficient amount of 8% by mass sodium hydroxide solution for 2h, after soaking, washed with water, suction filtered, and dried to obtain a pretreated zeolite molecular sieve;

[0098] S12b: The gamma-aminopropyltriethoxysilane and 65% by mass ethanol solution are uniformly mixed according to a weight ratio of 3:11, then hydrochloric acid is added to adjust the pH value to 4.5 to obtain organic solution B;

[0099] The pretreated zeolite molecular sieve and the organic solution B are subjected to B-milling treatment according to a weight ratio of 7:5, and the zeolite molecular sieve-organic composite B body is obtained after treatment;

[0100] S13: The EVA is added to the tetrahydrofuran according to a weight ratio of 5:13 to obtain an EVA solution; the modification agent A and the EVA solution are subjected to primary stirring treatment according to a weight ratio of 5:11, then suction filtered and dried to obtain the EVA agent modified by the modification agent A;

[0101] S14: The EVA agent modified by the modification agent A and the zeolite molecular sieve-organic composite B body are subjected to secondary stirring treatment according to a weight ratio of 15:5, and the modified EVA body is obtained after stirring, suction filtering and drying.

[0102] The A treatment in the embodiment is treated by stirring at a stirring speed of 750r / min for 2h; the B-milling treatment is treated by ball milling at a ball milling speed of 1500r / min for 2h.

[0103] The stirring temperature of the primary stirring treatment in the embodiment is 55℃, the stirring speed is 500r / min, and the stirring time is 2h; the stirring temperature of the secondary stirring treatment is 52℃, the stirring speed is 800r / min, and the stirring time is 1h;

[0104] The EVA has a vinyl acetate content of 25% and a melt index of 2g / 10min.

[0105] The preparation method of the reinforcing agent in the embodiment is as follows:

[0106] S101: The silicon powder and 8% by mass ethyl cellulose aqueous solution are uniformly blended according to a weight ratio of 5:13, then 8% of the total weight of the silicon powder of tannic acid and 20% of the total weight of the silicon powder of polyester fiber are added and uniformly blended, finally suction filtered and dried to obtain a silicon powder-polyester fiber modified body;

[0107] S102: 11 parts by weight of a polyvinyl alcohol solution, 5 parts by weight of a silane coupling agent KH550, and 4 parts by weight of soybean oil acid are uniformly blended to obtain a treatment liquid;

[0108] Preheat the graphene at 60℃ for 1h to obtain preheated graphene; ultrasonic treat the preheated graphene and the treatment liquid according to a mass ratio of 3:7, and obtain the graphene-doped treatment liquid after the ultrasonic treatment.

[0109] S103: Blend the silicon powder-polyester fiber modified body and the graphene-doped treatment liquid according to a weight ratio of 7:4, and perform ball milling treatment; the ball milling speed is 1500r / min, the ball milling time is 2h; after the ball milling treatment, perform suction filtration and drying to obtain the reinforcing agent.

[0110] The ultrasonic treatment in this embodiment is performed at an ultrasonic power of 400W for 1h; the mass fraction of the polyvinyl alcohol solution is 12%.

[0111] The method for preparing the high-elastic wear-resistant sports shoe material in this embodiment comprises the following steps:

[0112] Weigh the raw materials of the high-elastic wear-resistant sports shoe material according to the weight parts, and perform mixing and kneading treatment on the raw materials; the mixing and kneading temperature is 80℃, and the mixing and kneading time is 5min; then perform vulcanization treatment, and finally perform mold pressing to obtain the high-elastic wear-resistant sports shoe material.

[0113] The vulcanization treatment in this embodiment is performed at a vulcanization temperature of 165℃ for 2min; the mold pressing pressure is 20MPa, and the mold pressing time is 20min.

[0114] Example 3: A high-elastic wear-resistant sports shoe material comprises the following raw materials by weight parts:

[0115] The modified EVA body is 42.5 parts, the natural rubber is 32.5 parts, the reinforcing agent is 10 parts, the nano-silver agent is 10 parts, the zinc oxide is 6.5 parts, the calcium stearate is 4 parts, the AC foaming agent is 2.5 parts, the paraffin is 2.5 parts, the crosslinking agent is 0.65 parts, and the antioxidant is 2 parts.

[0116] The antioxidant in this embodiment is antioxidant RD; the crosslinking agent is prepared by mixing sulfur and dicumyl peroxide according to a weight ratio of 2:1;

[0117] The preparation method of the nano-silver agent is as follows: add the nano-silver powder into a sodium dodecylbenzenesulfonate solution with a mass fraction of 15% and a mass of 6.5 times the total weight of the nano-silver powder, and stir and disperse uniformly; then add a silane solution with a mass of 27.5% of the total weight of the nano-silver powder and a trioxane body with a mass of 27.5% of the total weight of the nano-silver powder, and stir; the stirring speed is 375r / min, the stirring time is 1h, and the stirring temperature is 50℃; finally, perform suction filtration and drying to obtain the nano-silver agent.

[0118] The preparation method of the silane solution in this embodiment is as follows: stir and treat the silane coupling agent KH560, ethanol and water according to a weight ratio of 4:10:5.5; the stirring temperature is 50℃, the stirring speed is 325r / min, and the stirring time is 1h.

[0119] The preparation method of the melamine formaldehyde body is as follows: melamine and polyformaldehyde are mixed according to a weight ratio of 1:4, then 6.5 times the total weight of melamine of distilled water is added, sodium hydroxide is used to adjust the pH to 7.5, the temperature is increased to 76 DEG C under stirring, and the reaction is carried out for 30 min, then 12.5% of the total weight of melamine of modifier p-phenylenedimethylene is added, the temperature is maintained, and stirring is continued for 1 h to obtain the melamine formaldehyde body.

[0120] The preparation method of the modified EVA body of the embodiment is as follows:

[0121] S11: montmorillonite and silicon dioxide are compounded according to a weight ratio of 3:2 to form a compound; the compound, 1-hydroxymethyl pyrazole-3-carboxylic acid, polyethylene glycol 400 and phosphorous acid are A-treated according to a weight ratio of 3:5:2:0.08, and then are extracted, dried, and A-treatment agent is obtained;

[0122] S12: zeolite molecular sieve-organic compound B body is prepared:

[0123] S12a: the zeolite molecular sieve is soaked in sufficient sodium hydroxide solution with a mass fraction of 8% for 2 h, after the soaking, the zeolite molecular sieve is washed with water, extracted, and dried to obtain pretreated zeolite molecular sieve;

[0124] S12b: gamma-aminopropyl triethoxysilane and ethanol solution with a mass fraction of 60% are uniformly mixed according to a weight ratio of 3:10, then hydrochloric acid is added to adjust the pH to 4.5 to obtain organic B liquid;

[0125] The pretreated zeolite molecular sieve and the organic B liquid are B-milled according to a weight ratio of 7:4, and the zeolite molecular sieve-organic compound B body is obtained after the B-milling;

[0126] S13: EVA is added to tetrahydrofuran according to a weight ratio of 5:12 to obtain EVA liquid; the A-treatment agent and the EVA liquid are first stirred according to a weight ratio of 4:11, and then are extracted and dried to obtain A-treated EVA agent;

[0127] S14: the A-treated EVA agent and the zeolite molecular sieve-organic compound B body are secondarily stirred according to a weight ratio of 13:5, and the modified EVA body is obtained after the stirring.

[0128] The A-treatment of the embodiment is treated by stirring at a stirring speed of 600 r / min for 2 h; the B-milling is treated by ball milling at a ball milling speed of 1250 r / min for 2 h.

[0129] The stirring temperature of the primary stirring treatment of the embodiment is 52.5℃, the stirring speed is 470r / min, and the stirring time is 2h; the stirring temperature of the secondary stirring treatment is 50℃, the stirring speed is 750r / min, and the stirring time is 1h;

[0130] The vinyl acetate content of the EVA is 25%, and the melt index is 2g / 10min.

[0131] The preparation method of the reinforcing agent of the embodiment is as follows:

[0132] S101: uniformly blend silicon powder and an ethyl cellulose aqueous solution with a mass fraction of 8% according to a weight ratio of 5:12, then add tannic acid accounting for 6.5% of the total weight of the silicon powder and polyester fibers accounting for 17.5% of the total weight of the silicon powder, blend thoroughly, and finally perform suction filtration and drying to obtain a silicon powder-polyester fiber modified body;

[0133] S102: uniformly blend 10 parts by weight of a polyvinyl alcohol solution, 4 parts by weight of silane coupling agent KH550, and 3 parts by weight of soybean oil acid to obtain a treatment liquid;

[0134] Preheat the graphene at 57.5℃ for 1h to obtain preheated graphene; ultrasonically treat the preheated graphene and the treatment liquid according to a mass ratio of 3:7, and after the ultrasonic treatment is completed, a graphene-doped treatment liquid is obtained;

[0135] S103: blend ball mill the silicon powder-polyester fiber modified body and the graphene-doped treatment liquid according to a weight ratio of 7:3.5, the ball milling speed is 1250r / min, the ball milling time is 2h, after the ball milling is completed, perform suction filtration and drying to obtain a reinforcing agent.

[0136] The ultrasonic treatment of the embodiment is performed at an ultrasonic power of 375W for 1h; the mass fraction of the polyvinyl alcohol solution is 10%.

[0137] The preparation method of the high-elastic wear-resistant sports shoe material of the embodiment includes the following steps:

[0138] According to the weight parts, weigh the raw materials of the high-elastic wear-resistant sports shoe material, first perform mixing and kneading treatment on the raw materials, the mixing and kneading temperature is 78.5℃, the mixing and kneading time is 5min, then perform vulcanization treatment, and finally perform mold pressing to obtain the high-elastic wear-resistant sports shoe material.

[0139] The vulcanization treatment of the embodiment is performed at a vulcanization temperature of 162℃ for 2min; the mold pressing is performed at a pressure of 17.5MPa for 20min.

[0140] Comparative Example 1:

[0141] Different from Example 3 is that the modified EVA body is directly replaced by EVA raw materials, and the EVA is not subjected to any treatment.

[0142] Comparative Example 2:

[0143] The difference between Example 3 is that the modified EVA body is not prepared by using the secondary stirring treatment of zeolite molecular sieve-organic composite B.

[0144] Comparative Example 3:

[0145] The difference between Example 3 is that the zeolite molecular sieve-organic composite B is not prepared by adding the pretreated zeolite molecular sieve.

[0146] Comparative Example 4:

[0147] The difference between Example 3 is that the modified EVA body is not prepared by using the first-stage treatment of the modifier A.

[0148] Comparative Example 5:

[0149] The difference between Example 3 is that the modifier A does not add the compound.

[0150] Comparative Example 6:

[0151] The difference between Example 3 is that the reinforcing agent is not added.

[0152] Comparative Example 7:

[0153] The difference between Example 3 is that the reinforcing agent is not prepared by adding the silicon powder-polyester fiber modifier.

[0154] Comparative Example 8:

[0155] The difference between Example 3 is that the silicon powder-polyester fiber modifier is not prepared by adding the tannin acid and polyester fiber.

[0156] Comparative Example 9:

[0157] The difference between Example 3 is that the reinforcing agent is not prepared by adding the treatment solution doped with graphene.

[0158] Comparative Example 10:

[0159] The difference between Example 3 is that the treatment solution doped with graphene is not prepared by adding the preheated graphene.

[0160] The products of Examples 1-3 and Comparative Examples 1-10 are tested for elastic properties and wear resistance, and the test results are shown in Table 1.

[0161] Table 1: Elastic and wear resistance test results of products of Examples 1-3 and Comparative Examples 1-10:

[0162]

[0163] As can be seen from the comparative examples 1-10 and the examples 1-3, the product of example 3 has excellent elastic properties and wear resistance, and the elastic properties and wear resistance of the product can be improved coordinately; as can be seen from the comparative examples 1-10 and the example 3, the elastic properties and wear resistance of the product are obviously deteriorated when the modified EVA body is directly prepared by using EVA raw materials instead of adding the reinforcing agent, and the performance coordination of the product is poor;

[0164] Meanwhile, the zeolite molecular sieve-organic composite B body is not subjected to secondary stirring treatment in the preparation of the modified EVA body, and the pretreated zeolite molecular sieve is not added in the preparation of the zeolite molecular sieve-organic composite B body, and the modifying agent A is not subjected to primary treatment in the preparation of the modified EVA body, and the compound is not added in the modifying agent A, and the performance of the product has a deteriorated trend, and the modified EVA body prepared by using the zeolite molecular sieve-organic composite B body in cooperation with the modifying agent A has the most significant effect on the performance of the product, and the effect is not as obvious as that of the present application when other methods are used instead, and the modified EVA body is prepared only by using the specific method of the present application, and the performance of the product has the most significant effect;

[0165] The silicon powder-polyester fiber modifier is not added in the preparation of the reinforcing agent, the tannin acid and the polyester fiber are not added in the preparation of the silicon powder-polyester fiber modifier, the doped graphene treatment liquid is not added in the preparation of the reinforcing agent, and the preheated graphene is not added in the preparation of the doped graphene treatment liquid, and the performance of the product has a deteriorated trend, and only the reinforcing agent prepared by using the specific doped graphene treatment liquid in cooperation with the silicon powder-polyester fiber modifier has the most significant effect on the performance of the product, and the effect is not as obvious as that of the present application when other methods are used instead.

[0166] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, and the scope of the present application should be defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalents of the claims are intended to be embraced therein.

[0167] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A high-elasticity and wear-resistant sports shoe material, characterized in that, The following raw materials are included by weight parts: Modified EVA body 40~45 parts, natural rubber 30~35 parts, reinforcing agent 8~12 parts, nano silver agent 8~12 parts, zinc oxide 5~8 parts, calcium stearate 3~5 parts, AC foaming agent 2~3 parts, paraffin 2~3 parts, crosslinking agent 0.5~0.8 parts and antioxidant 1~3 parts; The preparation method of the modified EVA body is: S11: Compound montmorillonite and silicon dioxide according to a weight ratio of 3:2 to form a compound; treat the compound, 1-hydroxymethyl pyrazole-3-carboxylic acid, polyethylene glycol 400 and phosphorous acid according to a weight ratio of (2-4):(4-6):(1-3):0.08 by A treatment, and then perform suction filtration and drying to obtain a treatment A agent; the A treatment is treated by stirring at a stirring speed of 550-750 r / min for 2 h; S12: Prepare a zeolite molecular sieve-organic compound B body: S12a: Soak the zeolite molecular sieve in a sufficient amount of a mass fraction of 8% sodium hydroxide solution for 2 h; after the soaking is completed, perform water washing, suction filtration and drying to obtain a pretreated zeolite molecular sieve; S12b: Mix gamma-aminopropyl triethoxysilane and a mass fraction of 55-65% ethanol solution according to a weight ratio of 3:(8-11), and then add hydrochloric acid to adjust the pH value to 4.5 to obtain an organic compound B liquid; Perform B milling treatment on the pretreated zeolite molecular sieve and the organic compound B liquid according to a weight ratio of 7:(3-5); after the treatment is completed, a zeolite molecular sieve-organic compound B body is obtained; the B milling treatment is performed by ball milling at a ball milling speed of 1000-1500 r / min for 2 h; S13: Add EVA to tetrahydrofuran according to a weight ratio of 5:(11-13) and stir sufficiently to obtain an EVA liquid; treat the treatment A agent and the EVA liquid according to a weight ratio of (3-5):11 by primary stirring, and then perform suction filtration and drying to obtain an A-treated EVA agent; S14: Continue secondary stirring treatment on the A-treated EVA agent and the zeolite molecular sieve-organic compound B body according to a weight ratio of (11-15):5; after the stirring is completed, perform suction filtration and drying to obtain a modified EVA body; The preparation method of the reinforcing agent is: S101: Blend silicon powder and a mass fraction of 8% ethyl cellulose aqueous solution according to a weight ratio of 5:(11-13) uniformly, and then add 5-8% tannic acid based on the total weight of the silicon powder and 15-20% polyester fiber based on the total weight of the silicon powder, and blend sufficiently; finally, perform suction filtration and drying to obtain a silicon powder-polyester fiber modified body; S102: Blend 8-11 parts by weight of a polyvinyl alcohol solution, 3-5 parts by weight of a silane coupling agent KH550 and 2-4 parts by weight of soybean oil acid uniformly to obtain a treatment liquid; Preheat graphene at 55-60°C for 1 h to obtain preheated graphene; perform ultrasonic treatment on the preheated graphene and the treatment liquid according to a mass ratio of 3:7, and after the ultrasonic treatment is completed, a doped graphene treatment liquid is obtained; S103: the silicon powder-polyester fiber modifier, the graphene doped treatment liquid is blended and ball milled according to the weight ratio 7:(3-4), the ball milling rotation speed is 1000-1500 r / min, the ball milling time is 2 h, after the ball milling, the filtration and drying are carried out, and the reinforcing agent is obtained; The anti-aging agent is anti-aging agent RD, and the crosslinking agent is prepared according to the weight ratio of 2:1 of sulfur and dicumyl peroxide; The preparation method of the nano silver agent is as follows: the nano silver powder is added into a 15% sodium dodecyl benzene sulfonate solution with a mass fraction of 5-8 times the total weight of the nano silver powder, stirred and uniformly dispersed, then 25-30% of the total weight of the nano silver powder of silane liquid and 25-30% of the total weight of the nano silver powder of trioxymethylene body are added, stirred and treated, the stirring rotation speed is 350-400 r / min, the stirring time is 1 h, the stirring temperature is 48-52 DEG C, and finally the filtration and drying are carried out to obtain the nano silver agent. The preparation method of the silane liquid is as follows: the silane coupling agent KH560, ethanol and water are stirred and treated according to the weight ratio (3-5):(8-11):(5-6), the stirring temperature is 50 DEG C, the stirring rotation speed is 300-350 r / min, and the stirring time is 1 h. The preparation method of the trioxymethylene body is as follows: melamine and polyformaldehyde are mixed according to the weight ratio 1:(3-5), then 5-8 times the total weight of the melamine of distilled water is added, the pH is adjusted to 7.5 by sodium hydroxide, the temperature is increased to 76 DEG C under stirring, and the reaction is carried out for 30 min, then 10-15% of the total weight of the melamine of the modifier p-phenylenediamine is added, the temperature is maintained, and the stirring is continued for 1 h to obtain the trioxymethylene body.

2. A high-elasticity wear-resistant sports shoe material according to claim 1, characterized in that, The stirring temperature of the first stirring treatment is 50-55 DEG C, the stirring rotation speed is 450-500 r / min, and the stirring time is 2 h; the stirring temperature of the second stirring treatment is 48-52 DEG C, the stirring rotation speed is 700-800 r / min, and the stirring time is 1 h. The content of the vinyl acetate of the EVA is 25%, and the melt index is 2 g / 10 min.

3. The high-elastic wear-resistant sports shoe material according to claim 1, characterized in that, The ultrasonic power of the ultrasonic treatment is 350-400 W, and the ultrasonic time is 1 h; the mass fraction of the polyvinyl alcohol solution is 8-12%.

4. The preparation method of the high-elastic wear-resistant sports shoe material, for preparing the high-elastic wear-resistant sports shoe material according to any one of claims 1-3, characterized in that, The method comprises the following steps: The raw materials of the high-elastic wear-resistant sports shoe material are weighed according to the weight parts, the raw materials are first mixed and treated, the mixing temperature is 75-80 DEG C, the mixing time is 5 min, then the vulcanization treatment is carried out, and finally the mold pressing is carried out to obtain the high-elastic wear-resistant sports shoe material.

5. The method for preparing a high-elasticity, wear-resistant sports shoe material according to claim 4, characterized in that, The vulcanization temperature of the vulcanization treatment is 160-165 DEG C, and the vulcanization time is 2 min; the pressure of the mold pressing is 15-20 MPa, and the mold pressing time is 20 min.

Images