WO2023005221A1 - Semelle en caoutchouc à base biologique antidérapante et son procédé de préparation, et moule - Google Patents

Semelle en caoutchouc à base biologique antidérapante et son procédé de préparation, et moule Download PDF

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WO2023005221A1
WO2023005221A1 PCT/CN2022/081062 CN2022081062W WO2023005221A1 WO 2023005221 A1 WO2023005221 A1 WO 2023005221A1 CN 2022081062 W CN2022081062 W CN 2022081062W WO 2023005221 A1 WO2023005221 A1 WO 2023005221A1
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Prior art keywords
rubber
parts
bio
area
base area
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PCT/CN2022/081062
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English (en)
Chinese (zh)
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卢鑫
林志杰
许春树
丁思博
罗显发
廖毅彬
董明生
王燕
邱瑞
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茂泰(福建)鞋材有限公司
盛泰(福建)鞋材有限公司
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Publication of WO2023005221A1 publication Critical patent/WO2023005221A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08L9/06—Copolymers with styrene
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/04—Plastics, rubber or vulcanised fibre
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00—Producing footwear
    • B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
    • B29D35/122—Soles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00—Producing footwear
    • B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
    • B29D35/128—Moulds or apparatus therefor
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Definitions

  • the invention relates to the technical field of shoe sole preparation, in particular to an anti-wet skid bio-based rubber shoe sole, a preparation method thereof, and a mold.
  • the existing waste rubber is usually ground into powder as filler or used for thermal power generation, and its utilization value is very low; or the waste rubber is destroyed by desulfurization technology to destroy the chemical network structure of the vulcanized rubber to obtain recycled rubber, but it contains a large amount of harmful substances.
  • Aromatic hydrocarbons cannot be used in the field of shoemaking.
  • the embodiment of the present application provides an anti-wet skid bio-based rubber sole and its preparation method and mold, which solves the problem of excessive carbon emissions, easy precipitation of soybean oil in the sole and high-value recycling of waste rubber soles in the prior art.
  • Technical problems realized the reduction of the use of non-renewable resources and the high-value recycling of waste rubber resources, obtained a kind of anti-wet skid bio-based rubber sole with excellent anti-wet skid performance, and achieved the technical effect of rapid edge tearing, significantly improving production efficiency.
  • the embodiment of the present application provides a kind of anti-wet skid bio-based rubber sole, comprises following components by weight:
  • the active agent is selected from any one or more of polyethylene glycol, diethylene glycol, glycerin, and triethanolamine;
  • the anti-aging agent is selected from any one or more of anti-aging agent RD, anti-aging agent BHT, anti-aging agent 1010, anti-aging agent MB, anti-aging agent 4010, and anti-aging agent 264;
  • the tackifying resin is selected from any one or more of carbon five resins, carbon nine resins, modified carbon nine resins, phenolic resins, and coumarone-indene resins;
  • the vulcanization accelerator is selected from any one or more of vulcanization accelerator NS, vulcanization accelerator TS, vulcanization accelerator TBZTD, vulcanization accelerator 6-GR, vulcanization accelerator M, vulcanization accelerator D, vulcanization accelerator DM ;
  • the silane coupling agent is selected from any one or more of KH-550 and KH-560.
  • the preparation method of the bio-based solution-polymerized styrene-butadiene rubber is as follows: put 100-300 parts of carboxylated solution-polymerized styrene-butadiene rubber into a banbury mixer, and then put in 3-6 parts of zinc oxide, 1-3 parts of stearic acid 20-43 parts of epoxy soybean oil is added to the internal mixer to generate heat due to friction in the system, and 20-43 parts of epoxy soybean oil is added, and the mixer is continued, discharged, and cooled to obtain bio-based solution-polymerized styrene-butadiene rubber;
  • the bio-based solution-polymerized styrene-butadiene rubber has a Mooney viscosity ML(1+4) of 45-70 at 100°C; the bio-based solution-polymerized styrene-butadiene rubber includes 25%-40% of bound styrene.
  • carboxyl group mass fraction of the carboxylated nitrile rubber is 3%-10%, and the bound acrylonitrile is 23%-42%.
  • a preparation method of anti-wet skid bio-based rubber sole comprising the following steps:
  • Step (1) mixing bio-based solution-polymerized styrene-butadiene rubber, carboxylated nitrile butadiene rubber, and epoxidized natural rubber;
  • Step (2) soften the mixture obtained in step (1), then add vulcanization accelerator and insoluble sulfur; produce sheets as needed, and punch out according to the production requirements of shoe soles;
  • Step (3) Put the blanked rubber sheet into a preheated mold, vulcanize and mold at a vulcanization temperature of 160 ⁇ 5°C and a time of 140-220 seconds, and tear off the burrs by hand.
  • a rubber film mold comprising
  • the upper template including a first groove area
  • a lower formwork connected to the upper formwork, the lower formwork has a lower rubber base area, a lower burr area, and a second groove area;
  • the edge of the lower rubber base area is connected with the second groove area, and the side of the second groove area away from the lower rubber base area is connected to the lower burr area;
  • the first groove area is located above the second groove area.
  • the groove angle at the bottom of the second groove area is 30-60 degrees.
  • the position of the sharp corner at the bottom of the second groove area corresponds to the edge position of the first groove area
  • the sharp corner position of the bottom of the second groove area is 0-0.3mm away from the edge of the first groove area.
  • the lower rubber base area includes a first lower rubber base area and a second lower rubber base area, the first lower rubber base area corresponds to the position of the forefoot, and the second lower rubber base area corresponds to the rear heel position,
  • the first lower rubber chassis area and the second lower rubber chassis area are not connected to each other, and the first lower rubber chassis area and the second lower rubber chassis area are respectively connected to the second groove area.
  • the lower rubber bottom sheet area includes a third lower rubber bottom sheet area, the third lower rubber bottom sheet area corresponds to the position of the center of the foot, and the third lower rubber bottom sheet area is not in contact with the first lower rubber bottom sheet area, the The second lower rubber chassis area is connected, and the third lower rubber chassis area is connected to the second grooved area.
  • This application uses ester-based cross-linked bio-based solution-polymerized styrene-butadiene rubber as the main rubber, combined with carboxylated nitrile rubber and epoxidized natural rubber, and uses a combination of insoluble sulfur cross-linking and ester-based cross-linking to reduce insoluble sulfur and the amount of vulcanization accelerator used to reduce the content of sulfur-sulfur bonds that are difficult to break in the cross-linked rubber network structure.
  • the epoxy group in the compound reacts with the carboxylic acid group in the structure of carboxylated nitrile rubber and bio-based solution polystyrene butadiene rubber to introduce hydrolyzable ester groups in the network structure of crosslinked rubber.
  • the ester groups in the cross-linked rubber can be selectively hydrolyzed, the cross-link bonds in the cross-linked network are broken, and the cross-link density is reduced, so that it can be used as a raw material for shoe soles and used again Manufacture of shoe soles for high-value recycling of cross-linked rubber.
  • This application uses polar rubber containing epoxy groups and carboxylic acid groups.
  • the molecular structure of the cross-linked rubber has more hydrophilic ester groups and a small amount of exposed hydroxyl and carboxyl groups.
  • the hydrophilic ester segment and hydrophilic groups such as hydroxyl and carboxyl groups reduce the surface tension of the liquid, which can avoid the formation of a liquid film between the sole and the interface, and improve the wet and slippery ground.
  • the grip, the wet dynamic anti-slip coefficient is significantly improved, that is, the anti-wet performance is excellent.
  • the upper mold in the present application has a first groove area
  • the lower mold has a second groove area
  • the first groove area is located above the second groove area; from the horizontal direction Viewed from above, the position of the sharp corner at the bottom of the second groove area (the angle of the sharp angle is 30-60 degrees) coincides with or is separated by a certain distance from the edge position of the first groove area.
  • the upper raw area and the lower raw area are overlapped and connected to each other, so when removing the burrs, you only need to select any position of the burr area of the rubber base and tear it, and the entire burr area can be removed, realizing quick hand tearing
  • the effect of rough edges reduces the trimming and finishing process and significantly improves production efficiency.
  • the anti-wet skid bio-based rubber sole of the present application can be used to prepare both the outsole and the shoe sole sheet.
  • the sole sheet since the sole sheet requires four sides, the burrs of the sole sheet need to be connected together.
  • the existing rubber sole formulation has poor fluidity when preparing the sole, as shown in the numerical value of Comparative Example 1 in Table 1.
  • the anti-wet skid bio-based rubber sole of the present application has good fluidity and is more suitable for preparing shoe soles.
  • Fig. 1 is the upper formwork structure schematic diagram of present embodiment 1;
  • Fig. 2 is the structural representation of the lower formwork of the present embodiment 1;
  • Fig. 3 is the partial structure schematic diagram of the lower formwork of present embodiment 1;
  • FIG. 4 is a schematic diagram of the position and structure of the first grooved area and the second grooved area in Embodiment 1;
  • Fig. 5 is the physical figure (front side) of the rubber back sheet that the mold of present embodiment 1 prepares;
  • Fig. 6 is the physical figure (remove burrs) of the rubber back sheet that the mold of present embodiment 1 prepares;
  • a rubber film mold is composed of an upper template and a lower template.
  • the upper template has an upper rubber base area 21 , an upper burr area 22 , and a first groove area 23 , and the upper rubber base area 21 is connected to the upper burr area 22 through the first groove area 23 .
  • the lower template has a lower rubber base area 11, a lower burr area 12, and a second groove area 13.
  • the angle of the groove at the bottom of the second groove area 13 is 60 degrees, and the edges of the lower rubber base area 11 are connected
  • There is a second groove area 13 and the side of the second groove area 13 facing away from the lower rubber bottom sheet area 11 is connected to the lower burr area 12 .
  • the upper rubber base area 21 coincided with the lower rubber base area 11, and the upper burr area 22 overlapped with the lower burr area 12.
  • the first Groove area 23 is positioned at the top of the second groove area 13; Viewed from the horizontal direction (x direction), the sharp angle position of the bottom of the second groove area 13 (the angle of this angle is 30-60 degree) and the first concave
  • the edge positions of the groove area 23 are coincident or the sharp angle position of the bottom of the second groove area 13 is 0-0.3 mm away from the edge of the first groove area 23 .
  • the first lower rubber base area 111, the second lower rubber base area 112, and the third lower rubber base area are not connected to each other, but are all connected to the second groove.
  • the thickness of the second groove area 13 should be smaller than the thickness of the lower rubber base sheet area 11 and the lower burr area 12 .
  • the rubber base area corresponding to the forefoot, heel and sole of the foot will be placed in a mold for production.
  • the rubber base area is not attached to the outsole as a whole, but According to the different positions of the soles of the feet, the appropriate rubber bottom sheet is selected for lamination. Therefore, after the preparation is completed, the burrs need to be removed before use.
  • a preparation method of anti-wet skid bio-based rubber sole comprising the steps of:
  • Step (1) The preparation method of bio-based solution-polymerized styrene-butadiene rubber: first, put 100 parts of carboxylated solution-polymerized styrene-butadiene rubber into a banbury mixer at a speed of 40-50 rpm, and banbury for two minutes; then put in zinc oxide 3 1 part, 1 part of stearic acid, heat is generated by system friction, and the temperature in the internal mixer gradually increases; when the temperature in the internal mixer rises to 85 °C, add 27 parts of epoxy soybean oil, and continue banburying for 12 minutes; The resulting mixture is discharged from the internal mixer, transferred to a double-roll mill, calendered, and cooled to room temperature to obtain bio-based solution-polymerized styrene-butadiene rubber; among them, the carboxylated solution-polymerized styrene-butadiene rubber comes from Zhenjiang Chimei Chemical Co., Ltd.
  • bio-based solution polystyrene butadiene rubber has a Mooney viscosity ML(1+4) of 60 at 100°C, and the mass ratio of bound styrene to the total amount of styrene and butadiene 34%, the mass ratio of vinyl to the total amount of butadiene is 34%.
  • Step (2) First put 50 parts of bio-based solution-polymerized styrene-butadiene rubber, 30 parts of carboxylated nitrile rubber from Nandi Chemical Company, and 20 parts of epoxidized natural rubber ENR25 into an internal mixer for mixing at a temperature of 80°C , time 90 seconds; then put in 25 parts of white carbon black, 2.5 parts of silane coupling agent Si-69 and knead at a temperature of 90°C for 120 seconds; then put in 13 parts of white carbon black, 1.4 parts of stearic acid 1801, antioxidant 0.8 parts of RD, 0.4 parts of anti-aging agent MB, 1.4 parts of polyethylene glycol PEG4000, 0.7 parts of diethylene glycol, 5.5 parts of zinc oxide, 1.3 parts of polyethylene wax, 1.5 parts of anti-emetic cream OH3, 1.5 parts of modified carbon nine resin Put into internal mixer, temperature 115°C, time 110 seconds; clean once, continue mixing, temperature 120°C, time 90 seconds; discharge temperature 123°C
  • Step (3) The temperature of the wheel table is controlled below 60°C, and the large material is smelted on the roller to soften, and then add 0.2 parts of vulcanization accelerator NS, 0.8 parts of anti-yellowing vulcanization accelerator 6-GR, and vulcanization accelerator TBZTD- 75 0.2 parts, 1.3 parts of insoluble sulfur; first make 3 to 5 triangle bags, the thickness is 3-4mm, and then make thin 1-2 times, the thickness of the thin pass is 1-2mm, and then make about three triangle bags, and the film is produced as needed ;Finally punch out according to the sole production demand.
  • Step (4) Put the punched rubber sheet into the preheated mold of Example 1, vulcanize and mold at a vulcanization temperature of 162° C. for 160 seconds, and tear off the burrs by hand.
  • a preparation method of anti-wet skid bio-based rubber sole comprising the steps of:
  • Step (1) The preparation method of bio-based solution-polymerized styrene-butadiene rubber: first, 100 parts of carboxylated solution-polymerized styrene-butadiene rubber are put into a banbury mixer at a speed of 40-50 rpm, and banburying for two minutes; then 3 parts of zinc oxide are put into , 1 part of stearic acid, heat is generated by system friction, and the temperature in the internal mixer gradually increases; when the internal temperature of the internal mixer rises to 85 °C, add 20 parts of epoxy soybean oil, and continue banburying for 12 minutes; The obtained mixture is discharged from the internal mixer, transferred to a two-roll mill, calendered, and cooled to room temperature to obtain bio-based solution-polymerized styrene-butadiene rubber.
  • carboxylated solution polystyrene butadiene rubber comes from Zhenjiang Chimei Chemical Co., Ltd.; epoxy soybean oil is a commercially available product; bio-based solution polystyrene butadiene rubber has a Mooney viscosity ML(1+4) of 60 at 100°C, The mass ratio of ethylene to the total amount of styrene and butadiene is 25%, and the mass ratio of vinyl to the total amount of butadiene is 48%.
  • Step (2) First put 50 parts of bio-based solution-polymerized styrene-butadiene rubber, 28 parts of carboxylated nitrile rubber from Nandi Chemical Company, and 18 parts of epoxidized natural rubber ENR25 into an internal mixer for mixing at a temperature of 80°C , time 90 seconds; then put in 23 parts of white carbon black, 2.1 parts of silane coupling agent Si-69 and knead at 90°C for 120 seconds; then put in 12 parts of white carbon black, 1.2 parts of stearic acid 1801, antioxidant Put 1.0 parts, 1.9 parts of active agent, 4 parts of zinc oxide, 1.2 parts of polyethylene wax, 1.4 parts of anti-emetic cream OH3, and 1.3 parts of tackifying resin into the internal mixer at a temperature of 115 °C and a time of 110 seconds; clean once and continue mixing Refining, temperature 120°C, time 90 seconds; discharge temperature 123°C, immediately transfer to an open mill with a temperature lower than 70°C,
  • Step (3) The temperature of the wheel table is controlled below 60°C. First, the aniseed material is softened on the roller, and then 1.0 parts of vulcanization accelerator and 1.1 parts of insoluble sulfur are added; first, 3 to 5 triangle bags are made, with a thickness of 3-4mm. , Thinning 1-2 times again, the thickness of the thinning is 1-2mm, and then making about three triangle bags, and the pieces are produced according to the needs; finally, punching according to the production needs of the soles.
  • Step (4) Put the blanked rubber sheet into a preheated mold, vulcanize and mold it at a vulcanization temperature of 157°C for 180 seconds, and tear off the burr by hand.
  • the active agent is selected from any one or more of polyethylene glycol, diethylene glycol, glycerin, and triethanolamine;
  • the anti-aging agent is selected from any one or more of anti-aging agent RD, anti-aging agent BHT, anti-aging agent 1010, anti-aging agent MB, anti-aging agent 4010, and anti-aging agent 264;
  • the tackifying resin is selected from any one or more of carbon five resins, carbon nine resins, modified carbon nine resins, phenolic resins, and coumarone-indene resins;
  • the vulcanization accelerator is selected from any one or more of vulcanization accelerator NS, vulcanization accelerator TS, vulcanization accelerator TBZTD, vulcanization accelerator 6-GR, vulcanization accelerator M, vulcanization accelerator D, vulcanization accelerator DM .
  • Example 3 Put the specific products of the above-mentioned active agent, anti-aging agent, tackifying resin, and vulcanization accelerator into Example 3, and then conduct experimental tests on the obtained bio-based rubber outsole.
  • the experimental data are shown in the values of Example 3 in Table 1. Since the obtained values have little difference, the average value is taken for calculation, as shown in Table 1.
  • the preparation method of a bio-based rubber outsole is basically the same as the preparation method in Example 3, the difference is:
  • a preparation method of anti-wet skid bio-based rubber sole comprising the steps of:
  • Step (1) The preparation method of bio-based solution-polymerized styrene-butadiene rubber: first, put 100 parts of carboxylated solution-polymerized styrene-butadiene rubber into a banbury mixer at a speed of 30-40 rpm, and banbury for two minutes; then put 3 parts of zinc oxide , 1 part of stearic acid, heat is generated by system friction, and the temperature in the internal mixer gradually increases; when the internal temperature of the internal mixer rises to 85 °C, add 43 parts of epoxy soybean oil, and continue banburying for 15 minutes; The obtained mixture is discharged from the internal mixer, transferred to a two-roll mill, calendered, and cooled to room temperature to obtain bio-based solution-polymerized styrene-butadiene rubber.
  • carboxylated solution polystyrene butadiene rubber comes from Zhenjiang Chimei Chemical Co., Ltd.; epoxy soybean oil is a commercially available product; bio-based solution polystyrene butadiene rubber has a Mooney viscosity ML(1+4) of 60 at 100°C, Ethylene accounts for 40% by mass of the total amount of styrene and butadiene, and vinyl accounts for 30% by mass of the total amount of butadiene.
  • Step (2) First put 50 parts of bio-based solution-polymerized styrene-butadiene rubber, 32 parts of carboxylated nitrile rubber from Nandi Chemical Company, and 24 parts of epoxidized natural rubber ENR25 into an internal mixer for mixing at a temperature of 85°C , time 70 seconds; then put in 27 parts of white carbon black, 2.8 parts of silane coupling agent Si-69 and mix at a temperature of 90°C for 120 seconds; then put in 13 parts of white carbon black, 1.5 parts of stearic acid 1801, antioxidant 1.3 parts of BHT, 1.8 parts of polyethylene glycol PEG4000, 0.7 parts of diethylene glycol, 6 parts of zinc oxide, 1.5 parts of polyethylene wax, 1.8 parts of anti-emetic cream OH, and 1.7 parts of coumarone-indene resin were put into the internal mixer, Temperature 120°C, time 90 seconds; clean once, continue mixing, temperature 125°C, time 90 seconds; discharge temperature 125°C, immediately transfer to an open mill
  • Step (3) The temperature of the wheel table is controlled below 60°C. First, the large material is smelted on the drum to soften, and then 0.3 parts of vulcanization accelerator NS, 0.75 parts of anti-yellowing vulcanization accelerator 6-GR, and vulcanization accelerator TBZTD- 75 0.25 parts, 1.5 parts of insoluble sulfur; first make 3 to 5 triangle bags, the thickness is 3-4mm, and then make thin 1-2 times, the thickness of the thin pass is 1-2mm, and then make about three triangle bags, and the film is produced as needed ;Finally punch out according to the sole production requirements.
  • Step (4) Put the blanked rubber sheet into a preheated mold, vulcanize and mold it at a vulcanization temperature of 165°C for 140 seconds, and tear off the burr by hand.
  • the preparation method of the rubber outsole is basically the same as the preparation method in Example 3, the difference is:
  • the invention discloses an anti-wet skid bio-based rubber sole, a preparation method thereof, and a mold, comprising the following components in parts by weight: 50 parts of bio-based solution-polymerized styrene-butadiene rubber, 26-34 parts of carboxylated nitrile rubber, epoxidized 16-24 parts of natural rubber, 35-50 parts of white carbon black, 2.1-2.8 parts of silane coupling agent, 1.2-1.5 parts of stearic acid, 1.0-1.3 parts of anti-aging agent, 1.9-2.5 parts of active agent, 4- 6 parts, 1.2-1.5 parts of polyethylene wax, 1.4-1.8 parts of anti-emetic cream, 1.3-1.7 parts of tackifying resin, 1.0-1.2 parts of vulcanization accelerator, 1.1-1.5 parts of insoluble sulfur;
  • carboxylated solution polystyrene butadiene rubber, zinc oxide, stearic acid, and epoxy soybean oil are mixed in an internal
  • the ion pairs formed by zinc ions and carboxyl groups in the rubber compound can be used as strengthening points, which increases the degree of crosslinking and improves the mechanical properties of the bio-based rubber outsole, which has industrial applicability.

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  • Mechanical Engineering (AREA)
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Abstract

Sont divulgués dans la présente invention une semelle en caoutchouc à base biologique antidérapante et son procédé de préparation, et un moule. La semelle en caoutchouc à base biologique antidérapante comprend les composants suivants en parties en poids : 50 parties de caoutchouc styrène-butadiène polymérisé en solution à base biologique, 26 à 34 parties de caoutchouc nitrile carboxylé, 16 à 24 parties de caoutchouc naturel époxydé, 35 à 50 parties de noir de carbone blanc, 2,1 à 2,8 parties d'un agent de couplage au silane, 1,2 à 1,5 partie d'acide stéarique, 1,0 à 1,3 partie d'un agent anti-âge, 1,9 à 2,5 parties d'un agent actif, 4 à 6 parties d'oxyde de zinc, 1,2 à 1,5 partie de cire de polyéthylène, 1,4 à 1,8 partie d'un agent anti-givrage, 1,3 à 1,7 partie d'une résine tackifiante, 1,0 à 1,2 partie d'un accélérateur de vulcanisation et 1,1 à 1,5 partie de soufre insoluble. Dans la présente demande, lorsque le caoutchouc styrène-butadiène polymérisé en solution à base biologique est préparé et polymérisé, le caoutchouc styrène-butadiène polymérisé en solution carboxylée, l'oxyde de zinc, l'acide stéarique et l'huile de soja époxydée sont mélangés de manière interne dans un mélangeur interne pour construire une structure de réseau réticulé de groupe ester, et l'avantage de ne pas avoir de précipitation d'huile est obtenu. De plus, pendant le moulage par vulcanisation, des paires d'ions formées par des ions de zinc et des groupes carboxyle dans un matériau de caoutchouc peuvent être utilisées comme points de renforcement, de telle sorte que le degré de réticulation est amélioré, et les propriétés mécaniques d'une semelle d'usure en caoutchouc à base biologique sont améliorées.
PCT/CN2022/081062 2021-07-28 2022-03-16 Semelle en caoutchouc à base biologique antidérapante et son procédé de préparation, et moule WO2023005221A1 (fr)

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Cited By (1)

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CN117683279A (zh) * 2024-02-02 2024-03-12 比音勒芬服饰股份有限公司 一种双拱桥式支撑减震防滑鞋底及其制备方法

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CN113444303B (zh) * 2021-07-28 2023-02-07 茂泰(福建)鞋材有限公司 一种抗湿滑生物基橡胶鞋底及其制备方法、模具
CN113444302B (zh) * 2021-07-28 2023-02-07 茂泰(福建)鞋材有限公司 一种生物基橡胶鞋底及其制备方法、模具

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