CN218749737U - One shot forming's compound undersole of light weight bradyseism - Google Patents
One shot forming's compound undersole of light weight bradyseism Download PDFInfo
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- CN218749737U CN218749737U CN202023305982.5U CN202023305982U CN218749737U CN 218749737 U CN218749737 U CN 218749737U CN 202023305982 U CN202023305982 U CN 202023305982U CN 218749737 U CN218749737 U CN 218749737U
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Abstract
The utility model provides a light-weight cushioning composite outsole which is formed in one step, comprising a bottom layer and a foaming rubber layer in an inner cavity of the bottom layer; the bottom layer comprises at least one anti-skid rubber block, at least one wear-resistant rubber block and at least one connecting rubber block; the anti-skid rubber block is connected with the connecting rubber block through vulcanization crosslinking, and the wear-resistant rubber block is connected with the connecting rubber block through vulcanization crosslinking; the anti-skid rubber block, the wear-resistant rubber block, the connecting rubber block and the foaming rubber layer in the inner cavity of the bottom layer are connected through vulcanization and crosslinking. The outsole bottom layer is composed of the anti-slip rubber blocks and the wear-resistant rubber, so that the anti-slip effect can be achieved, the wear-resistant effect can be achieved, the foaming rubber layer is arranged to have the light and shock-absorbing effect, the use of chemical materials such as treating agents and adhesives is not needed, the pollution of the chemical materials to the environment is avoided, the production cost of the shoes and boots is reduced, and the bonding effect of the shoes and boots and the effect of the appearance of the shoes and boots are ensured.
Description
Technical Field
The utility model relates to a compound outsole especially relates to a one shot forming's compound outsole of light weight bradyseism.
Background
The general composite outsole adopts a mode that the wear-resistant outsole and the EVA outsole are vulcanized and molded, and then the wear-resistant outsole and the EVA outsole are adhered and bonded together through chemical materials such as a brushing treatment agent, an adhesive and the like. The adhesive effect fluctuates in the production process due to the influence of an adhesive system and artificial factors, and certain environmental pollution exists in the production process due to the use of chemical materials such as a treating agent, an adhesive and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an one shot forming's compound outsole of light weight bradyseism, outsole bottom passes through the anti-skidding rubber piece, wear-resisting rubber constitutes, both can play the antiskid, can play wear-resisting effect again, the setting on foaming rubber layer has the light, absorbing effect, chemical material's such as processing agent and adhesive use is not needed, the pollution that chemical material caused the environment has been avoided, and the manufacturing cost of shoes boots has been reduced, the bonding effect of shoes boots and the effect of shoes boots outward appearance have been ensured.
The purpose of the utility model is realized with the following mode: a one-step formed light-weight cushioning composite outsole comprises a bottom layer and a foaming rubber layer in an inner cavity of the bottom layer; the bottom layer comprises at least one anti-skid rubber block, at least one wear-resistant rubber block and at least one connecting rubber block; the anti-skid rubber block is connected with the connecting rubber block through vulcanization crosslinking, and the wear-resistant rubber block is connected with the connecting rubber block through vulcanization crosslinking; the anti-skid rubber block, the wear-resistant rubber block, the connecting rubber block and the foaming rubber layer in the inner cavity of the bottom layer are connected through vulcanization crosslinking.
The connecting rubber block is a light rubber block.
The sole portion before the foot of bottom is anti-skidding rubber piece, and the heel portion of bottom is wear-resisting rubber piece, is connected through light rubber piece between sole portion and the heel portion before the foot.
The bottom surface of the bottom layer is provided with anti-skid patterns.
The antiskid patterns are arranged on the forefoot part and/or the heel part.
The anti-slip pattern includes unit patterns arranged in an array on the bottom surface of the bottom layer.
The unit patterns are rhombic and comprise two convex triangular patterns and two convex circular patterns, the two triangular patterns are symmetrically arranged to form two rhombic corners, the other two rhombic corners are respectively provided with one circular pattern, the triangular patterns are connected from the center to three triangular sides to respectively form three mutually connected grooves I, connecting lines of the two rhombic corners provided with the circular patterns respectively form grooves II through the two circular patterns, each circular pattern is respectively provided with two grooves III which are vertically connected with the grooves II and are not in a straight line, and the two grooves III of each circular pattern are not in the same semicircle.
The height of the protrusions of the triangular patterns and the circular patterns is 2-2.5mm, and the grooves I, the grooves II and the grooves III on the anti-skid patterns on the forefoot part are communicated with each other; the groove I, the groove II and the groove III on the anti-skid pattern of the heel part are communicated with each other.
The depth of the first groove, the second groove and the third groove is 2-2.5mm.
The depth of the concave grooves I, the concave grooves II and the concave grooves III is the same as the height of the convex triangular patterns and the height of the convex circular patterns.
Compared with the prior art, the connection between the outsole and the foamed rubber layer in the inner cavity of the bottom layer is completed by the flowing cross-linking of the rubber material when the foamed rubber layer is vulcanized; when the abrasion-resistant rubber block of the outsole bottom layer is vulcanized with the connecting rubber block, the connection is completed through the flowing crosslinking of the rubber material; when the anti-skid rubber blocks at the bottom layer of the outsole and the connecting rubber blocks are vulcanized, the connection is completed through the flowing crosslinking of the rubber materials, so that the use of chemical materials such as treating agents and adhesives is not needed, the pollution of the chemical materials to the environment is avoided, the production cost of the shoes and boots is reduced, and the bonding effect of the shoes and boots and the effect of the appearance of the shoes and boots are ensured. In addition, the outsole bottom layer is composed of the anti-skid rubber blocks and the wear-resistant rubber, so that the anti-skid effect and the wear-resistant effect can be achieved, and the arrangement of the foamed rubber layer has the light and shock-absorbing effect.
The sole is composed of an outsole bottom layer, an antiskid rubber block, a wear-resistant rubber block and a light rubber block, and the rubber block is further connected into a light rubber block, the antiskid rubber block, the wear-resistant rubber block and the light rubber block are arranged on the outsole bottom layer, so that the antiskid and wear-resistant effects can be achieved, and the mass of the outsole is reduced.
Drawings
Fig. 1 is a schematic diagram of the bottom layer structure of the present invention.
Fig. 2 is a schematic view of the layered structure of the present invention.
Detailed Description
As shown in figures 1 and 2, the one-step formed lightweight cushioning composite outsole comprises a bottom layer 1 and a foam rubber layer 2 in the inner cavity of the bottom layer; the bottom layer 1 comprises at least one anti-skid rubber block 101, at least one wear-resistant rubber block 102 and at least one connecting rubber block 103; the anti-skid rubber block 101 is connected with the connecting rubber block 103 through vulcanization crosslinking, and the wear-resistant rubber block 102 is connected with the connecting rubber block 103 through vulcanization crosslinking; the antiskid rubber block 101, the wear-resistant rubber block 102, the connecting rubber block 103 and the foam rubber layer 2 in the inner cavity of the bottom layer are connected through vulcanization and crosslinking.
The connecting rubber block 103 is a light rubber block.
The sole 11 of the bottom layer 1 is an anti-skidding rubber block, the heel 12 of the bottom layer 1 is a wear-resistant rubber block, and the sole 11 and the heel 12 are connected through a light rubber block.
The bottom surface of the bottom layer 1 is provided with anti-skid patterns 13.
The grip 13 is provided in the ball 11 and/or heel 12.
The unit patterns 130 are rhombic and comprise two raised triangular patterns 3 and two raised circular patterns 4, the two triangular patterns 3 are symmetrically arranged to form two rhombic corners, the other two rhombic corners are respectively provided with one circular pattern 4, the triangular patterns 3 are connected from the centers of the triangles to three sides of the triangles to respectively form three mutually connected grooves I30, connecting lines of the two rhombic corners provided with the circular patterns 4 respectively form grooves II 40 through the two circular patterns, each circular pattern is respectively provided with two grooves III 41 which are vertically connected with the grooves II and are not in a straight line, and the two grooves III 41 of each circular pattern are not in the same semicircle.
The height of the protrusions of the triangular patterns 3 and the circular patterns 4 is 2-2.5mm, and the grooves I30, II 40 and III 41 on the anti-skid patterns on the forefoot part are communicated with each other; the grooves I30, II 40 and III 41 on the antiskid patterns of the heel part are communicated with each other.
The depth of the concave of the groove I30, the depth of the concave of the groove II 40 and the depth of the concave of the groove III 41 are respectively 2-2.5mm.
The depth of the concave parts of the groove I30, the groove II 40 and the groove III 41 is the same as the height of the convex parts of the triangular patterns and the circular patterns.
The raw materials of the anti-skid rubber block 101 consist of two parts, wherein the first part consists of the following raw materials in parts by weight: comprises the following steps: 30-40 parts of Natural Rubber (NR), 12-20 parts of Butadiene Rubber (BR), 13-20 parts of solution polymerized styrene-butadiene rubber (SSBR), 3-4 parts of active zinc oxide, 1-2 parts of octadecanoic acid and 0.3-1 part of N-isopropyl-N' -phenyl p-phenylenediamine; 0.2-0.9 part of 2, 4-trimethyl-1, 2-dihydroquinoline, 30-40 parts of reinforcing agent, 2.5-4 parts of anti-slip agent, 1-3 parts of silane coupling agent and 1-2 parts of polyethylene glycol.
The second part is added on a per kilogram basis of the first part in amounts of from 14 to 16g of sulphur (S) per kilogram of first part, from 4 to 8g of accelerator DM per kilogram of first part, from 5 to 10g of accelerator CZ per kilogram of first part and from 1 to 4g of accelerator D per kilogram of first part.
The wear-resistant rubber block 102 is made of two parts, wherein the first part is made of the following raw materials in parts by weight: comprises the following steps: 15-25 parts of Natural Rubber (NR), 25-40 parts of neodymium butadiene rubber, 2-3 parts of active zinc oxide, 1-2 parts of octadecanoic acid, 0.2-0.8 part of N-isopropyl-N' -phenyl p-phenylenediamine, 0.2-1 part of 2, 4-trimethyl-1, 2-dihydroquinoline, 40-50 parts of reinforcing agent, 5-8.5 parts of pre-dispersed carbon nano tube and 8-12 parts of softening agent.
The second part is the amount added on a first part basis and is 10-14g sulphur per kg of first part, 5-9g promoter DM per kg of first part, 6-10g promoter CZ per kg of first part, 1-5g promoter TMTD per kg of first part.
The light rubber block 103 is made of two parts of raw materials, wherein the first part is made of the following raw materials in parts by weight: 10-15 parts of Natural Rubber (NR), 50-60 parts of Butadiene Rubber (BR), 3-4 parts of active zinc oxide, 0.8-2 parts of octadecanoic acid and 0.1-1.2 parts of N-isopropyl-N' -phenyl p-phenylenediamine; 0.4-1.8 parts of 2, 4-trimethyl-1, 2-dihydroquinoline, 20-28 parts of hollow glass beads, 5-9 parts of pre-dispersed carbon nanotubes, 20-28 parts of reinforcing agent and 3-8 parts of softening agent.
The second part is the amount added on a first part basis, which is 11-15 g of sulphur per kg of first part, 6-10g of promoter DM per kg of first part, 4.5-9g of promoter CZ per kg of first part, 1-3 g of promoter TMTD per kg of first part.
A preparation method of a one-step formed light-weight cushioning composite outsole comprises the following steps:
firstly, respectively refining raw materials of an anti-skid rubber block, a wear-resistant rubber block and a light rubber block to obtain a refined rubber material of the anti-skid rubber block, a refined rubber material of the wear-resistant rubber block and a refined rubber material of the light rubber block;
secondly, putting the mixed rubber material of the anti-skid rubber block, the wear-resistant rubber block and the light rubber block at corresponding positions of the bottom layer of the outsole respectively, vulcanizing for 60-120 seconds at the vulcanization temperature of 150 +/-5 ℃ and under the pressure of 10-12MPa, putting the mixed rubber material of the foamed rubber layer above the rubber material of the bottom layer, and vulcanizing for 480-540 seconds at the vulcanization temperature of 150 +/-5 ℃ and under the pressure of 10-12MPa. The vulcanizing mould used for vulcanization can be provided with a structure for forming patterns on the bottom surface of the bottom layer, and the patterns can also be processed at a later stage.
The conventional refining method for refining the rubber material from the raw materials of the anti-skid rubber block, the wear-resistant rubber block, the light rubber block and the foamed rubber layer.
The present invention will be described in detail with reference to the following embodiments, it should be noted that the embodiments are only used for further illustration of the present invention, and should not be construed as limiting the scope of the present invention, and those skilled in the art can make many insubstantial modifications and adaptations in accordance with the present invention.
Example 1:
as shown in figures 1 and 2, the one-step formed lightweight cushioning composite outsole comprises a bottom layer 1 and a foam rubber layer 2 in the inner cavity of the bottom layer; the sole 11 of the bottom layer 1 is an anti-skid rubber block 101, the heel 12 of the bottom layer is a wear-resistant rubber block 102, and the sole 11 and the heel 12 are connected through a light rubber block 103. The anti-skid rubber block is connected with the light rubber block through vulcanization crosslinking, and the wear-resistant rubber block is connected with the light rubber block through vulcanization crosslinking; the anti-skid rubber block, the wear-resistant rubber block, the connecting rubber block and the foaming rubber layer in the inner cavity of the bottom layer are connected through vulcanization and crosslinking.
The bottom surfaces of the forefoot part 11 and the heel part 12 of the bottom layer are provided with anti-slip patterns 13.
The anti-skid rubber block is prepared from two parts of raw materials, wherein the first part comprises the following raw materials in parts by weight: comprises the following steps: 35.10 parts of natural rubber, 16.80 parts of butadiene rubber, 17.20 parts of solution polymerized styrene-butadiene rubber (SSBR), 3.52 parts of active zinc oxide, 1.42 parts of octadecanoic acid, 0.70 part of N-isopropyl-N' -phenyl-p-phenylenediamine, 0.63 part of 2, 4-trimethyl-1, 2-dihydroquinoline, 30.98 parts of white carbon black, 10.42 parts of a non-slip agent NOVARES C, 2.00 parts of a si-69 silane coupling agent and 1.68 parts of polyethylene glycol.
The second part is added on a first part basis and is 15g of sulphur (S) per kg of first part, 6g of accelerator DM per kg of first part, 8g of accelerator CZ per kg of first part and 2g of accelerator D per kg of first part.
The wear-resistant rubber block is prepared from two parts of raw materials, wherein the first part comprises the following raw materials in parts by weight: comprises the following steps: 20.69 parts of natural rubber, 31.59 parts of neodymium butadiene rubber, 2.72 parts of active zinc oxide, 1.60 parts of octadecanoic acid, 0.60 part of N-isopropyl-N' -phenyl p-phenylenediamine, 0.72 part of 2, 4-trimethyl-1, 2-dihydroquinoline, 40.68 parts of wear-resistant carbon black, 7.00 parts of pre-dispersed carbon nano tubes and 9.68 parts of a softening agent.
The second part is the amount added on a first part basis and is 12g of sulphur per kg of first part, 7g of promoter DM per kg of first part, 8g of promoter CZ per kg of first part, and 3g of promoter TMTD per kg of first part.
The light rubber block is prepared from two parts, wherein the first part comprises the following raw materials in parts by weight: 13.42 parts of natural rubber, 53.86 parts of butadiene rubber, 3.33 parts of active zinc oxide, 1.34 parts of octadecanoic acid and 0.56 part of N-isopropyl-N' -phenyl p-phenylenediamine; 0.15 part of 2, 4-trimethyl-1, 2-dihydroquinoline, 22.98 parts of hollow glass beads, 7.06 parts of pre-dispersed carbon nano tubes, 23.26 parts of carbon black N339 and 5.28 parts of a softening agent.
The second part is the amount added on a first part basis, which is 13g of sulphur per kg of first part, 8g of promoter DM per kg of first part, 7g of promoter CZ per kg of first part, and 2g of promoter TMTD per kg of first part.
The foaming rubber layer is prepared from the following raw materials in parts by weight: 75 parts of natural rubber, 25 parts of chloroprene rubber, 4 parts of active zinc oxide, 2 parts of magnesium oxide, 2 parts of stearic acid, 0.7 part of anti-aging agent I, 1.5 parts of anti-aging agent II, 6.2 parts of terpene resin, 9 parts of black factice, 20 parts of naphthenic oil, 30 parts of carbon black N339, 2 parts of urea, 2 parts of foaming agent I, 2 parts of foaming agent II, 2 parts of physical foaming agent, 1.5 parts of accelerator I, 0.3 part of accelerator II and 2 parts of sulfur.
The foaming agent I is foaming agent AC, and the foaming agent II is foaming agent OBSH. The anti-aging agent I is an anti-aging agent MB, and the anti-aging agent II is an anti-aging agent 4010NA. The accelerator I is an accelerator DM, and the accelerator II is an accelerator TMTD. The physical foaming agent is a microsphere foaming agent.
The raw material sources are as follows: the raw materials of the utility model are the products sold in the market. The raw materials and the manufacturers used in the examples of the present application are specifically as follows: natural rubber (Xishuangbanna Jingyang rubber, llc); butadiene rubber (china petrochemical beijing yanshan division); solution polymerized styrene butadiene rubber (china petrochemical beijing yanshan division); the neodymium butadiene rubber is neodymium butadiene rubber Nd-BR (China petrochemical Beijing Yanshan division); neoprene (shanxi holo parental synthetic rubber, ltd); the type of the white carbon black is ZQ-356JG (New materials of Xinglong, kabushiki Co., ltd.); the type of the wear-resistant carbon black is high wear-resistant N234 (Longxing chemical Co., ltd.); N-isopropyl-N' -phenyl-p-phenylenediamine (bairy chemical ltd); 2, 4-trimethyl-1, 2-dihydroquinoline (Bairui chemical Co., ltd.); non-slip agent novalres C10 (lutex, germany); si-69 silane coupling agent (Jinghan fine chemical Co., ltd., jingzhou); polyethylene glycol is polyethylene glycol 4000 (Nantong Rendada chemical Co., ltd.); the pre-dispersed carbon nano-tube is a carbon nano-tube for rubber and plastic (Suzhou first element nanotechnology Co., ltd.); the softener is naphthenic oil (Hengshui xi Hao chemical Co., ltd.); the hollow glass beads are HS42K (New hollow bead Material Co., ltd. Of Shenglaite, zhengzhou); activated zinc oxide (Honda chemical Co., ltd., yongji city); magnesium oxide (Hebei magnesium science and technology Co., ltd.), stearic acid (cis-cloning chemical and plastics Co., ltd.); anti-aging agent RD (Bairui chemical Co., ltd.); anti-aging agent 4010NA (Bairui chemical Co., ltd.); terpene resins (Jiangxi terpene resins Co., ltd.); black ointment (forest sea chemical limited); naphthenic oil (hengshui xi hao chemical limited); carbon black N339 (Tianjin Yibo Rui chemical Co., ltd.); urea (beijing congguwei science and technology ltd); foaming agent AC (Jinlang Fine chemical Co., ltd., fujian province); foaming agent OBSH (Fujian province Jinlang fine chemical Co., ltd.); physical blowing agents (Beijing Shanghai brocade science and technology Co., ltd.); accelerator DM (kuaikuai chemical technology ltd, shijiazhu); promoter CZ (shanghai sondy chemical ltd); accelerator D (shanghai sondizatio ltd); promoter TMTD (shanghai beauty works ltd); sulfur (Linyi gold sulfonator Co., ltd.).
A preparation method of a one-step formed light-weight cushioning composite outsole comprises the following steps:
firstly, respectively refining raw materials of an anti-skid rubber block, a wear-resistant rubber block, a light rubber block and a foamed rubber layer to obtain a refined rubber material of the anti-skid rubber block, a rubber material of the wear-resistant rubber block, a rubber material of the light rubber block and a rubber material of the foamed rubber layer;
the raw materials of the anti-skid rubber block, the wear-resistant rubber block and the light rubber block can be respectively refined by placing natural rubber in the raw materials into an open mill for plastication, wherein the roll gap of the open mill is 0.9mm, the natural rubber is thinly passed for 10 times, cooled for 1.1 hours, then other rubber in the corresponding raw materials is added, thinly passed for 7 times again, and placed for more than 20 hours to obtain a mixed rubber material; adding the plasticated mixed rubber material into an internal mixer, carrying out internal mixing for 40 seconds, controlling the internal mixing temperature at 95 ℃, carrying out internal mixing for 180 seconds, and carrying out uniform mixing; and sequentially adding other corresponding raw materials, discharging the internally mixed rubber material on a flat machine, beating a vertical bag and a triangular bag after all the raw materials are completely mixed, discharging, cooling, and standing for more than 12 hours to obtain the corresponding well-mixed rubber material.
The specific refining steps of the refining of the raw materials of the foamed rubber layer can be as follows: the other steps are the same as the refining of the rubber compound except that the sulfur is added on a flat machine after banburying.
Secondly, putting the mixed rubber material of the anti-skid rubber block, the mixed rubber material of the wear-resistant rubber block and the mixed rubber material of the light rubber block at corresponding positions of the bottom layer of the outsole for vulcanizing for 120 seconds at the vulcanizing temperature of 150 +/-5 ℃ and under the pressure of 10-12MPa, putting the mixed rubber material of the foamed rubber layer above the rubber material of the bottom layer for vulcanizing for 480 seconds at the vulcanizing temperature of 150 +/-5 ℃ and under the pressure of 10-12MPa. The vulcanizing mould used for vulcanization can be provided with a structure for forming patterns on the bottom surface of the bottom layer, and the patterns can also be processed at a later stage.
And (3) performance testing: (1) slip resistance: the friction coefficient of the anti-slip SRA is 0.40 in the third-party detection Guangzhou Tianxiang test center test; the test method comprises the following steps: ISO 13287;
(2) Wear resistance: through the test of a third-party detection Guangzhou Tianxiang test center, the DIN abrasion is 47.1 mm3, which is greatly superior to the DIN abrasion less than or equal to 150 mm3 in the national standard, and the test method is ISO 4649;
(3) Density of light rubber: 0.8 g/cm 3 (ii) a (4) density of middle layer foamed rubber: 0.6 g/cm 3 (ii) a (5) energy absorption in the heel area of the boot: is more than or equal to 25J (more than or equal to 20J due to national standard).
Example 2:
the difference between the one-step formed light-weight cushioning composite outsole and the embodiment 1 is that: the protruding height of triangle-shaped decorative pattern and circular decorative pattern is 2mm, and the sunken degree of depth of recess I, recess II, recess III is 2mm. The width of the horizontal stripe groove 6 is 1.3mm, and the depth is 2mm.
The raw materials of the anti-skid rubber block consist of two parts, wherein the first part consists of the following raw materials in parts by weight: comprises the following steps: 30 parts of Natural Rubber (NR), 12 parts of Butadiene Rubber (BR), 13 parts of solution polymerized styrene-butadiene rubber (SSBR), 3 parts of active zinc oxide, 1 part of octadecanoic acid and 0.3 part of N-isopropyl-N' -phenyl p-phenylenediamine; 0.2 part of 2, 4-trimethyl-1, 2-dihydroquinoline, 30 parts of white carbon black, 10.5 parts of non-slip agent NOVARES C, 1 part of si-69 silane coupling agent and 1 part of polyethylene glycol.
The second part is added on a first part basis and is 14g of sulphur (S) per kg of first part, 4g of accelerator DM per kg of first part, 5g of accelerator CZ per kg of first part and 1g of accelerator D per kg of first part.
The wear-resistant rubber block is prepared from two parts of raw materials, wherein the first part comprises the following raw materials in parts by weight: comprises the following steps: 15 parts of Natural Rubber (NR), 25 parts of neodymium butadiene rubber, 2 parts of active zinc oxide, 1 part of octadecanoic acid and 0.2 part of N-isopropyl-N' -phenyl p-phenylenediamine; 0.2 part of 2, 4-trimethyl-1, 2-dihydroquinoline, 40 parts of wear-resistant carbon black, 5 parts of pre-dispersed carbon nano tubes and 8 parts of a softening agent.
The second part is the amount added on a first part basis, which is 10g of sulphur per kg of first part, 5g of promoter DM per kg of first part, 6g of promoter CZ per kg of first part, and 1g of promoter TMTD per kg of first part.
The light rubber block is prepared from two parts of raw materials, wherein the first part comprises the following raw materials in parts by weight: 10 parts of Natural Rubber (NR), 50 parts of Butadiene Rubber (BR), 3 parts of active zinc oxide, 0.8 part of octadecanoic acid and 0.1 part of N-isopropyl-N' -phenyl p-phenylenediamine; 0.4 part of 2, 4-trimethyl-1, 2-dihydroquinoline, 20 parts of hollow glass beads, 5 parts of pre-dispersed carbon nano tubes, 20 parts of carbon black N339 and 3 parts of a softening agent.
The second part is the amount added on a first part basis, which is 11g of sulphur per kg of first part, 6g of promoter DM per kg of first part, 4.5g of promoter CZ per kg of first part, and 1g of promoter TMTD per kg of first part.
The foaming rubber layer is prepared from the following raw materials in parts by weight: 60 parts of natural rubber, 10 parts of chloroprene rubber, 3 parts of active zinc oxide, 1 part of magnesium oxide, 1 part of stearic acid, 0.5 part of anti-aging agent I, 1 part of anti-aging agent II, 5 parts of terpene resin, 6 parts of black factice, 15 parts of naphthenic oil, 20 parts of carbon black N339, 1 part of urea, 1 part of foaming agent I, 1 part of foaming agent II, 3 parts of physical foaming agent, 1 part of accelerator I, 0.1 part of accelerator II and 1 part of sulfur.
The foaming agent I is foaming agent AC, and the foaming agent II is foaming agent OBSH. The anti-aging agent I is an anti-aging agent MB, and the anti-aging agent II is an anti-aging agent 4010NA. The accelerator I is an accelerator DM, and the accelerator II is an accelerator TMTD.
A preparation method of a one-step formed light-weight cushioning composite outsole comprises the following steps:
firstly, respectively refining raw materials of an anti-skid rubber block, a wear-resistant rubber block, a light rubber block and a foaming rubber layer to obtain a refined rubber material of the anti-skid rubber block, a rubber material of the wear-resistant rubber block, a rubber material of the light rubber block and a rubber material of the foaming rubber layer;
the specific refining steps of the raw materials of the anti-skid rubber block, the wear-resistant rubber block and the light rubber block respectively comprise the steps of placing natural rubber in the raw materials into an open mill for plastication, wherein the roller spacing of the open mill is 0.8 mm, thinly passing for 8 times, cooling for 0.8 hour, then adding other rubber in the corresponding raw materials, thinly passing for 5 times again, and standing for more than 20 hours to obtain a mixed rubber material; adding the plasticated mixed rubber material into an internal mixer, carrying out internal mixing for 20 seconds, controlling the internal mixing temperature at 85 ℃, carrying out internal mixing for 150 seconds, and carrying out uniform mixing; and sequentially adding other corresponding raw materials, discharging the internally mixed rubber material on a flat machine, beating a vertical bag and a triangular bag after all the raw materials are completely mixed, discharging, cooling, and standing for more than 12 hours to obtain the corresponding well-mixed rubber material.
The specific refining steps of the refining of the raw materials of the foamed rubber layer can be as follows: the other steps are the same as the refining of the rubber compound except that the sulfur is added on a flat machine after banburying.
Secondly, putting the mixed rubber material of the anti-skid rubber block, the wear-resistant rubber block and the light rubber block at corresponding positions of the bottom layer of the outsole respectively, vulcanizing for 60 seconds at the vulcanization temperature of 150 +/-5 ℃ and under the pressure of 10-12MPa, putting the mixed rubber material of the foamed rubber layer above the rubber material of the bottom layer, and vulcanizing for 540 seconds at the vulcanization temperature of 150 +/-5 ℃ and under the pressure of 10-12MPa. The vulcanizing mould used for vulcanization can be provided with a structure for forming patterns on the bottom surface of the bottom layer, and the patterns can also be processed at a later stage.
And (3) performance testing: (1) slip resistance: the friction coefficient of the anti-slip SRA is 0.38 in the third-party detection Guangzhou Tianxiang test center test; the test method comprises the following steps: ISO 13287;
(2) Wear resistance: DIN abrasion 46.5 mm by third party testing of Guangzhou Tianxiang testing center 3 The abrasion is greatly superior to that of DIN standard less than or equal to 150 mm3, and the test method is ISO 4649;
(3) Density of light rubber: 0.76g/cm 3 (ii) a (4) foamed rubber layer density: 0.58g/cm 3 (ii) a (5) energy absorption in the heel area of the shoe: not less than 25J (not less than 20J due to national standard);
(6) The folding resistance (precutting opening is 5mm,4 ten thousand times) is less than 7.0mm; (7) The adhesive strength between the antiskid rubber block and the light rubber block is more than 2.0mm/N, and the adhesive strength between the wear-resistant rubber block and the light rubber block is more than 2.0mm/N.
Example 3
The difference between the one-step formed light-weight cushioning composite outsole and the embodiment 1 is that: the height of the protrusions of the triangular patterns and the circular patterns is 2.5mm, and the depth of the depressions of the groove I, the groove II and the groove III is 2.5mm. The width of the horizontal stripe groove 6 is 1.3mm, and the depth is 2.5mm.
The raw materials of the anti-skid rubber block consist of two parts, wherein the first part consists of the following raw materials in parts by weight: comprises the following steps: 40 parts of Natural Rubber (NR), 20 parts of Butadiene Rubber (BR), 20 parts of solution polymerized styrene-butadiene rubber (SSBR), 4 parts of active zinc oxide, 2 parts of octadecanoic acid and 1 part of N-isopropyl-N' -phenyl p-phenylenediamine; 2, 4-trimethyl-1, 2-dihydroquinoline 0.9 parts, white carbon black 40 parts, non-slip agent NOVARES C10 parts, si-69 silane coupling agent 3 parts, and polyethylene glycol 2 parts.
The second part is added on a first part basis and is 16g of sulphur (S) per kg of first part, 8g of accelerator DM per kg of first part, 10g of accelerator CZ per kg of first part and 4g of accelerator D per kg of first part.
The wear-resistant rubber block is prepared from two parts of raw materials, wherein the first part comprises the following raw materials in parts by weight: comprises the following steps: 25 parts of Natural Rubber (NR), 40 parts of neodymium butadiene rubber, 3 parts of active zinc oxide, 2 parts of octadecanoic acid, 0.8 part of N-isopropyl-N' -phenyl-p-phenylenediamine, 1 part of 2, 4-trimethyl-1, 2-dihydroquinoline, 50 parts of wear-resistant carbon black, 8.5 parts of pre-dispersed carbon nanotubes and 12 parts of a softening agent.
The second part is the amount added on a first part basis, which is 14g of sulphur per kg of first part, 9g of promoter DM per kg of first part, 10g of promoter CZ per kg of first part, 5g of promoter TMTD per kg of first part.
The light rubber block is prepared from two parts, wherein the first part comprises the following raw materials in parts by weight: 15 parts of Natural Rubber (NR), 60 parts of Butadiene Rubber (BR), 4 parts of active zinc oxide, 2 parts of octadecanoic acid and 1.2 parts of N-isopropyl-N' -phenyl p-phenylenediamine; 1.8 parts of 2, 4-trimethyl-1, 2-dihydroquinoline, 28 parts of hollow glass beads, 9 parts of pre-dispersed carbon nanotubes, 28 parts of carbon black N339 and 8 parts of a softening agent.
The second part is the amount added on a first part basis, which is 15g of sulphur per kg of first part, 10g of promoter DM per kg of first part, 9g of promoter CZ per kg of first part, and 3g of promoter TMTD per kg of first part.
The foaming rubber layer is prepared from the following raw materials in parts by weight: 90 parts of natural rubber, 40 parts of chloroprene rubber, 7 parts of active zinc oxide, 3 parts of magnesium oxide, 3 parts of stearic acid, 1 part of anti-aging agent I, 2 parts of anti-aging agent II, 8 parts of terpene resin, 15 parts of black factice, 25 parts of naphthenic oil, 40 parts of carbon black N339, 3 parts of urea, 3 parts of foaming agent I, 3 parts of foaming agent II, 5 parts of physical foaming agent, 2 parts of accelerator I, 0.5 part of accelerator II and 3 parts of sulfur.
The foaming agent I is foaming agent AC, and the foaming agent II is foaming agent OBSH. The anti-aging agent I is anti-aging agent MB, and the anti-aging agent II is anti-aging agent 4010NA. The accelerator I is an accelerator DM, and the accelerator II is an accelerator TMTD.
A preparation method of a one-step formed light-weight cushioning composite outsole comprises the following steps:
firstly, respectively refining raw materials of an anti-skid rubber block, a wear-resistant rubber block, a light rubber block and a foaming rubber layer to obtain a refined rubber material of the anti-skid rubber block, a rubber material of the wear-resistant rubber block, a rubber material of the light rubber block and a rubber material of the foaming rubber layer;
the raw materials of the anti-skid rubber block, the wear-resistant rubber block and the light rubber block can be respectively refined by placing natural rubber in the raw materials into an open mill for plastication, wherein the roll gap of the open mill is 1mm, the raw materials are thinly passed for 12 times, the raw materials are cooled for 1.5 hours, then other rubber in the corresponding raw materials are added, the raw materials are thinly passed for 8 times again, and the mixture is placed for more than 20 hours to obtain a mixed rubber material; adding the plasticated mixed rubber material into an internal mixer, carrying out internal mixing for 60 seconds, controlling the internal mixing temperature at 110 ℃, carrying out internal mixing for 200 seconds, and carrying out uniform mixing; and sequentially adding other corresponding raw materials, discharging the internally mixed rubber material on a flat machine, beating a vertical bag and a triangular bag after all the raw materials are completely mixed, discharging, cooling, and standing for more than 12 hours to obtain the corresponding well-mixed rubber material.
The specific refining steps of the refining of the raw materials of the foamed rubber layer can be as follows: the other steps are the same as the refining of the rubber compound except that the sulfur is added on a flat machine after banburying.
Secondly, putting the mixed rubber material of the anti-skid rubber block, the wear-resistant rubber block and the light rubber block at corresponding positions of the bottom layer of the outsole respectively, vulcanizing for 120 seconds at the vulcanization temperature of 150 +/-5 ℃ and under the pressure of 10-12MPa, putting the mixed rubber material of the foamed rubber layer above the rubber material of the bottom layer, and vulcanizing for 480 seconds at the vulcanization temperature of 150 +/-5 ℃ and under the pressure of 10-12MPa. The vulcanizing mould used for vulcanization can be provided with a structure for forming patterns on the bottom surface of the bottom layer, and the patterns can also be processed at a later stage.
And (3) performance testing: (1) slip resistance: the third party tests the Guangzhou Tianxiang test center, and the anti-slip SRA test shows that the friction coefficient is 0.38; the test method comprises the following steps: ISO 13287;
(2) Wear resistance: DIN abrasion 46.8mm as tested by Guangzhou Tianxiang testing center 3 Greatly superior to the national standard DIN abrasion less than or equal to 150 mm 3 Test method ISO 4649;
(3) Density of light rubber: 0.78 g/cm 3 (ii) a (4) density of middle layer foamed rubber: 0.57 g/cm 3 (ii) a (5) energy absorption in the heel area of the boot: more than or equal to 25J (more than or equal to 20J due to national standard);
(6) The folding resistance (precutting opening is 5mm,4 ten thousand times) is less than 7.0mm; (7) The bonding strength between the antiskid rubber block and the light rubber block is more than 2.0mm/N, and the bonding strength between the wear-resistant rubber block and the light rubber block is more than 2.0mm/N.
Example 4
The difference between the one-step formed light-weight cushioning composite outsole and the embodiment 1 is that: the height of the protrusions of the triangular patterns and the circular patterns is 2.3mm, and the depth of the depressions of the groove I, the groove II and the groove III is 2.3mm. The width of the horizontal stripe groove 6 is 1.5mm, and the depth is 2mm.
The raw materials of the anti-skid rubber block consist of two parts, wherein the first part consists of the following raw materials in parts by weight: comprises the following steps: 32.4 parts of Natural Rubber (NR), 18.2 parts of Butadiene Rubber (BR), 16.3 parts of solution polymerized styrene-butadiene rubber (SSBR), 3.56 parts of active zinc oxide, 1.25 parts of octadecanoic acid and 0.46 part of N-isopropyl-N' -phenyl p-phenylenediamine; 0.63 part of 2, 4-trimethyl-1, 2-dihydroquinoline, 35 parts of white carbon black, 10.86 parts of non-slip agent NOVARES C, 1.8 parts of si-69 silane coupling agent and 1.3 parts of polyethylene glycol.
The second part is added on a per kilogram basis with 15.5g of sulphur (S) per first part, 6.4g of accelerator DM per kilogram of first part, 9.6g of accelerator CZ per kilogram of first part and 2.5g of accelerator D per kilogram of first part.
The wear-resistant rubber block is prepared from two parts of raw materials, wherein the first part comprises the following raw materials in parts by weight: comprises the following steps: 23 parts of Natural Rubber (NR), 30 parts of neodymium butadiene rubber, 2.26 parts of active zinc oxide, 1.57 parts of octadecanoic acid, 0.4 part of N-isopropyl-N' -phenyl-p-phenylenediamine, 0.68 part of 2, 4-trimethyl-1, 2-dihydroquinoline, 45 parts of wear-resistant carbon black, 6.5 parts of pre-dispersed carbon nanotubes and 10.5 parts of a softening agent.
The second part is the amount added on a first part basis, which is 11.4g of sulphur per kg of first part, 7.6g of promoter DM per kg of first part, 8.3g of promoter CZ per kg of first part, and 3.3g of promoter TMTD per kg of first part.
The light rubber block is prepared from two parts of raw materials, wherein the first part comprises the following raw materials in parts by weight: 12 parts of Natural Rubber (NR), 58 parts of Butadiene Rubber (BR), 3.2 parts of active zinc oxide, 1.2 parts of octadecanoic acid and 0.9 part of N-isopropyl-N' -phenyl p-phenylenediamine; 1.2 parts of 2, 4-trimethyl-1, 2-dihydroquinoline, 23.4 parts of hollow glass beads, 6.2 parts of pre-dispersed carbon nano tubes, 22.5 parts of carbon black N339 and 3.68 parts of a softening agent.
The second part is the amount added on a first part basis, which is 12.5g of sulphur per kg of first part, 7.24g of promoter DM per kg of first part, 6.88g of promoter CZ per kg of first part, and 1.5g of promoter TMTD per kg of first part.
The foaming rubber layer is prepared from the following raw materials in parts by weight: 85 parts of natural rubber, 30 parts of chloroprene rubber, 5 parts of active zinc oxide, 1.8 parts of magnesium oxide, 1.2 parts of stearic acid, 0.3 part of anti-aging agent I, 1.1 part of anti-aging agent II, 6 parts of terpene resin, 8 parts of black factice, 22 parts of naphthenic oil, 23 parts of carbon black N339, 1.2 parts of urea, 1.5 parts of foaming agent I, 1.7 parts of foaming agent II, 3.8 parts of physical foaming agent, 1.8 parts of accelerator I, 0.3 part of accelerator II and 1.8 parts of sulfur.
The foaming agent I is foaming agent AC, and the foaming agent II is foaming agent OBSH. The anti-aging agent I is an anti-aging agent MB, and the anti-aging agent II is an anti-aging agent 4010NA. The accelerator I is an accelerator DM, and the accelerator II is an accelerator TMTD.
A preparation method of a one-step formed light-weight cushioning composite outsole comprises the following steps:
firstly, respectively refining raw materials of an anti-skid rubber block, a wear-resistant rubber block, a light rubber block and a foamed rubber layer to obtain a refined rubber material of the anti-skid rubber block, a rubber material of the wear-resistant rubber block, a rubber material of the light rubber block and a rubber material of the foamed rubber layer;
the raw materials of the anti-skid rubber block, the wear-resistant rubber block and the light rubber block can be respectively refined by placing natural rubber in the raw materials into an open mill for plastication, wherein the roll gap of the open mill is 0.8-1mm, the natural rubber is thinned for 8-12 times, the natural rubber is cooled for 0.8-1.5 hours, then other rubber in the corresponding raw materials is added, the natural rubber is thinned for 5-8 times again, and the mixture is placed for more than 20 hours to obtain a mixed rubber material; adding the plasticated mixed rubber material into an internal mixer, carrying out internal mixing for 20-60 seconds, controlling the internal mixing temperature to be 85-110 ℃, carrying out internal mixing for 150-200 seconds, and carrying out uniform mixing; and (3) sequentially adding other corresponding raw materials, discharging the banburied rubber material on a flat machine, beating a vertical bag and a triangular bag after all the raw materials are completely mixed, discharging, cooling, and standing for more than 12 hours to obtain the corresponding refined rubber material.
The specific refining steps of the refining of the raw materials of the foamed rubber layer can be as follows: the other steps are the same as the refining of the rubber material except that the sulfur is added on a flat machine after banburying.
Secondly, putting the mixed rubber material of the anti-skid rubber block, the wear-resistant rubber block and the light rubber block at corresponding positions of the bottom layer of the outsole respectively, vulcanizing for 100 seconds at the vulcanization temperature of 150 +/-5 ℃ and under the pressure of 10-12MPa, putting the mixed rubber material of the foamed rubber layer above the rubber material of the bottom layer, and vulcanizing for 510 seconds at the vulcanization temperature of 150 +/-5 ℃ and under the pressure of 10-12MPa. The vulcanizing mould used for vulcanization can be provided with a structure for forming patterns on the bottom surface of the bottom layer, and the patterns can also be processed at a later stage.
And (3) performance testing: (1) slip resistance: the third party tests the Guangzhou Tianxiang test center, and the anti-slip SRA test shows that the friction coefficient is 0.41; the test method comprises the following steps: ISO 13287;
(2) Wear resistance: DIN abrasion 46.9mm by third party detection and Guangzhou Tianxiang test center 3 Greatly exceeds the national standard DIN abrasion less than or equal to 150 mm 3 Test method ISO 4649;
(3) Density of light rubber: 0.79g/cm 3 (ii) a (4) density of middle layer foamed rubber: 0.58g/cm 3 (ii) a (5) energy absorption in the heel area of the boot: not less than 25J (not less than 20J due to national standard);
(6) The folding resistance (precutting opening is 5mm,4 ten thousand times) is less than 7.0mm; (7) The bonding strength between the antiskid rubber block and the light rubber block is more than 2.0mm/N, and the bonding strength between the wear-resistant rubber block and the light rubber block is more than 2.0mm/N.
What has been described above is only the preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto, and it should be noted that, to those skilled in the art and any person familiar with the technical field, without departing from the overall concept of the present invention, the technical solution and the utility model thereof according to the present invention should be equally replaced or changed, and a plurality of changes and improvements made, and these should also be regarded as the scope of protection of the present invention.
Claims (9)
1. The utility model provides a compound undersole of one shot forming's light weight bradyseism which characterized in that: comprises a bottom layer and a foaming rubber layer in the inner cavity of the bottom layer; the bottom layer comprises at least one anti-skid rubber block, at least one wear-resistant rubber block and at least one connecting rubber block; the anti-skid rubber block is connected with the connecting rubber block through vulcanization crosslinking, and the wear-resistant rubber block is connected with the connecting rubber block through vulcanization crosslinking; the anti-skid rubber block, the wear-resistant rubber block, the connecting rubber block and the foaming rubber layer in the inner cavity of the bottom layer are connected through vulcanization and crosslinking.
2. A one-shot lightweight cushioned composite outsole as claimed in claim 1, wherein: the connecting rubber block is a light rubber block.
3. A one-shot lightweight cushioned composite outsole as claimed in claim 2, wherein: the front sole part of the bottom layer is an anti-skid rubber block, the heel part of the bottom layer is a wear-resistant rubber block, and the front sole part and the heel part are connected through a light rubber block.
4. A lightweight, shock-absorbing composite outsole as claimed in claim 2, wherein: the bottom surface of the bottom layer is provided with anti-skid patterns.
5. The one-shot lightweight cushioned composite outsole of claim 4, wherein: the antiskid patterns are arranged on the forefoot part and/or the heel part.
6. The one-shot lightweight cushioned composite outsole of claim 4, wherein: the anti-slip patterns comprise unit patterns which are arranged on the bottom surface of the bottom layer in an array manner; the unit patterns are rhombic and comprise two convex triangular patterns and two convex circular patterns, the two triangular patterns are symmetrically arranged to form two rhombic corners, the other two rhombic corners are respectively provided with one circular pattern, the triangular patterns are connected from the center to three triangular sides to respectively form three mutually connected grooves I, connecting lines of the two rhombic corners provided with the circular patterns respectively form grooves II through the two circular patterns, each circular pattern is respectively provided with two grooves III which are vertically connected with the grooves II and are not in a straight line, and the two grooves III of each circular pattern are not in the same semicircle.
7. The one-shot lightweight cushioned composite outsole of claim 6, wherein: the height of the protrusions of the triangular patterns and the circular patterns is 2-2.5mm, and the grooves I, the grooves II and the grooves III on the antiskid patterns on the forefoot part are communicated with each other; the groove I, the groove II and the groove III on the anti-skid pattern of the heel part are communicated with each other.
8. The one-shot lightweight cushioned composite outsole of claim 6, wherein: the depth of the first groove, the second groove and the third groove is 2-2.5mm.
9. The one-shot lightweight cushioned composite outsole of claim 6, wherein: the depth of the concave grooves I, II and III is the same as the height of the convex triangular patterns and the height of the convex circular patterns.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116172303A (en) * | 2023-04-21 | 2023-05-30 | 比音勒芬服饰股份有限公司 | Antiskid wear-resisting EVA sole with bougainvillea pattern |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116172303A (en) * | 2023-04-21 | 2023-05-30 | 比音勒芬服饰股份有限公司 | Antiskid wear-resisting EVA sole with bougainvillea pattern |
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