CN104004235A - Rubber material composition for soles and method for preparing rubber material for soles - Google Patents
Rubber material composition for soles and method for preparing rubber material for soles Download PDFInfo
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- CN104004235A CN104004235A CN201410226524.2A CN201410226524A CN104004235A CN 104004235 A CN104004235 A CN 104004235A CN 201410226524 A CN201410226524 A CN 201410226524A CN 104004235 A CN104004235 A CN 104004235A
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Abstract
The invention discloses a rubber material composition for soles. The rubber material composition is characterized by comprising natural rubber, fly ash, white carbon black, zinc oxide, stearic acid and sulfur, wherein relative to 100 parts by weight of natural rubber, the content of the fly ash is 35-70 parts by weight, the content of white carbon black is 15-30 parts by weight, the content of zinc oxide is 2-8 parts by weight, the content of stearic acid is 0.2-4 parts by weight, and the content of sulfur is 0.2-4 parts by weight. Through adding the fly ash into the conventional rubber material, the roughness of a prepared rubber material is greatly improved, so that the slip resistance of the rubber material after the rubber material is exposed to water is improved greatly; meanwhile, materials, such as white carbon black, zinc oxide and the like, are used in a matched manner, so that the friction resistance of the prepared rubber material is further improved; the added fly ash is relatively cheap, and then, the cost performance of the prepared rubber material is greatly improved, so that the effects of slip prevention, high cost performance and practicability are achieved.
Description
Technical field
The present invention relates to sole and manufacture field, particularly, relate to a kind of rubber material composition for sole and for the preparation method of the elastomeric material of sole.
Background technology
Rubber is as the conventional material of sole; application in sole is made is extremely extensive; when footwear are selected; conventionally can take into account the problem that sole is easily slided; especially in the situations such as rainy day; the wet and slippery problem of sole is particularly outstanding, and easily sliding sole often can make us slip in the process of walking, causes personal injury.
In the prior art, rubber soles is easily slided after meeting water, especially, on smooth ground, more easily causes situation about slipping, and brings very large puzzlement to our life.
Therefore, providing a kind of anti-skidding, elastomeric material for sole that cost performance is high and practical and preparation method thereof is the problem that the present invention needs solution badly.
Summary of the invention
For above-mentioned prior art, the object of the invention is easily to slide in order to overcome rubber soles in prior art, especially more easy sliding problem after meeting water, provides a kind of anti-skidding, rubber material composition for sole that cost performance is high and practical and for the preparation method of the elastomeric material of sole.
To achieve these goals, the invention provides a kind of rubber material composition for sole, wherein, described rubber material composition comprises natural rubber, flyash, white carbon black, zinc oxide, stearic acid and sulphur; With respect to the described natural rubber of 100 weight parts, described flyash is 35-70 weight part, and described white carbon black is 15-30 weight part, and described zinc oxide is 2-8 weight part, and described stearic acid is 0.2-4 weight part, and described sulphur is 0.2-4 weight part.
The present invention also provides a kind of preparation method of the elastomeric material for sole, and wherein, the method comprises:
(1) flyash, white carbon black, zinc oxide and stearic acid are added and in natural rubber, carry out mixingly, obtain mixture N1;
(2) sulphur is added in mixture N1, carry out mixing;
Wherein, described natural rubber with respect to 100 weight parts, the consumption of described flyash is 35-70 weight part, the consumption of described white carbon black is 15-30 weight part, the consumption of described zinc oxide is 2-8 weight part, described stearic consumption is 0.2-4 weight part, and the consumption of described sulphur is 0.2-4 weight part.
The present invention by adding flyash in conventional elastomeric material, greatly increased the roughness of the elastomeric material making, thereby greatly improved the non-skid property of meeting this elastomeric material after water, be used in conjunction with the materials such as white carbon black, zinc oxide simultaneously, further increased the crocking resistance of the elastomeric material making, and the flyash price of adding is more cheap, has also greatly improved the cost performance of the elastomeric material making, thereby has realized the effect anti-skidding, cost performance is high and practical.
Other features and advantages of the present invention partly in detail are described the embodiment subsequently.
Embodiment
Below the specific embodiment of the present invention is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
The invention provides a kind of rubber material composition for sole, wherein, described rubber material composition comprises natural rubber, flyash, white carbon black, zinc oxide, stearic acid and sulphur; With respect to the described natural rubber of 100 weight parts, described flyash is 35-70 weight part, and described white carbon black is 15-30 weight part, and described zinc oxide is 2-8 weight part, and described stearic acid is 0.2-4 weight part, and described sulphur is 0.2-4 weight part.
By add flyash in conventional elastomeric material, utilize the roughness of flyash, bound rubber and then greatly increased the roughness of the elastomeric material making, thereby also realized, improved the non-skid property of meeting this elastomeric material after water, simultaneously by be used in conjunction with white carbon black in elastomeric material, the materials such as zinc oxide, further increased the crocking resistance of the elastomeric material making, and because of the price of flyash more cheap, reached the cost performance that has greatly improved the elastomeric material making simultaneously, and then make the elastomeric material making realize anti-skidding, the effect that cost performance is high and practical.
In order to reach better skidproof effect and not destroy the physicochemical property of rubber, of the present invention a kind of preferred embodiment in, described natural rubber with respect to 100 weight parts, described flyash is 45-60 weight part, described white carbon black is 20-25 weight part, described zinc oxide is 4-6 weight part, and described stearic acid is 1-3 weight part, and described sulphur is 1-3 weight part.
For the performance of the elastomeric material that makes to make, more optimize, more can reach anti-skidding and durable effect, of the present invention another preferred embodiment in, described material also comprises anti-aging agent, oxidation inhibitor, softening agent and vulcanization accelerator; With respect to the described natural rubber of 100 weight parts, described anti-aging agent is 0.2-4 weight part, and described oxidation inhibitor is 0.3-1.5 weight part, and described softening agent is 0.5-5 weight part, and described vulcanization accelerator is 1.5-10 weight part.
In the present invention, should be understood that, the various natural rubbers that routine that described natural rubber is used by those skilled in the art, in the present invention, kind for natural rubber can not done particular requirement, so long as the conventional natural rubber using in this area all can use, such as smoke sheet rubber, pearl glue, latex etc.
In the present invention, described flyash can the flyash that uses by this area of routine, in order to make the elastomeric material of preparation there is better skidproof effect, a kind of preferred embodiment in, it is 500-1500 object flyash that described flyash is preferably order number.
In the present invention, the white carbon black that routine that described white carbon black is used by this area, such as thermal silica, precipitated silica etc.For the elastomeric material that makes to make has more excellent non-skid property, of the present invention a kind of preferred embodiment in, described white carbon black can be 150-180m for CTAB specific surface area
2the white carbon black of/g.Preferably, described white carbon black is that CTAB specific surface area is 150-180m
2/ g, weight loss on heating≤7.0 % by weight, burning decrement≤7.0 % by weight, pH value are the precipitated silica of 6.0-7.5, soluble salt≤2.5%.
In the present invention, the anti-aging agent that routine that described anti-aging agent is used by those skilled in the art, for example, in the present invention, described anti-aging agent can be N-phenyl-2-naphthylamine, 2,2,4-trimethylammonium-1,2-dihydroquinoline polymkeric substance, 2-mercaptobenzimidazole, N, N'-bis-(betanaphthyl) Ursol D and N, one or more in N-nickel dibutyl dithiocarbamate, preferably, described anti-aging agent can select 2,2,4-trimethylammonium-1,2-dihydroquinoline polymkeric substance;
In the present invention, described oxidation inhibitor can the oxidation inhibitor that uses by this area of routine, for example, described oxidation inhibitor can be four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] the two lauryl alcohol esters of pentaerythritol ester, thio-2 acid, the two lauryls of thio-2 acid, the two stearyl alcohol esters and 2 of thio-2 acid, one or more in 6-di-t-butyl-4-cresols, preferably, described oxidation inhibitor can be the two lauryl alcohol esters of thio-2 acid;
In the present invention, described softening agent is the softening agent that those skilled in the art often use, for example, described softening agent can be one or more in dibutyl phthalate, dioctyl phthalate (DOP), epoxy soybean oil, Tritolyl Phosphate, triphenylphosphate, dioctyl sebacate and clorafin, preferably, described softening agent can dibutyl phthalate.
In the present invention, described vulcanization accelerator is the type of vulcanization accelerator known in the field, for example, described vulcanization accelerator can be 2-benzothiazolyl mercaptan, 2, one or more in 2'-dithio-bis-benzothiazole, N-cyclohexyl-2-benzothiazole sulfonamide, tetramethyl-thiuram disulfide and ziram, be preferably 2,2'-dithio-bis-benzothiazole.
The present invention also provides a kind of preparation method of the elastomeric material for sole, and wherein, the method comprises:
(1) flyash, white carbon black, zinc oxide and stearic acid are added and in natural rubber, carry out mixingly, obtain mixture N1;
(2) sulphur is added in mixture N1, carry out mixing;
Wherein, described natural rubber with respect to 100 weight parts, the consumption of described flyash is 35-70 weight part, the consumption of described white carbon black is 15-30 weight part, the consumption of described zinc oxide is 2-8 weight part, described stearic consumption is 0.2-4 weight part, and the consumption of described sulphur is 0.2-4 weight part.
In order to reach better skidproof effect and not destroy the physicochemical property of rubber, of the present invention a kind of preferred embodiment in, described natural rubber with respect to 100 weight parts, the consumption of described flyash is 45-60 weight part, the consumption of described white carbon black is 20-25 weight part, the consumption of described zinc oxide is 4-6 weight part, and described stearic consumption is 1-3 weight part, and the consumption of described sulphur is 1-3 weight part.
For the performance of the elastomeric material that makes to make is more optimized, more can reach anti-skidding and durable effect, of the present invention a kind of preferred embodiment in, described preparation method also comprise by anti-aging agent, oxidation inhibitor, softening agent and vulcanization accelerator add in mixture N1, carry out mixing; Preferably, with respect to the described natural rubber of 100 weight parts, the consumption of described anti-aging agent is 0.2-4 weight part, and the consumption of described oxidation inhibitor is 0.3-1.5 weight part, the consumption of described softening agent is 0.5-5 weight part, and the consumption of described vulcanization accelerator is 1.5-10 weight part.
In described preparation method, described flyash, described white carbon black, described anti-aging agent, described oxidation inhibitor, described softening agent and described vulcanization accelerator all with describe above identical.
A kind of preferred preparation method according to the present invention comprises:
(1) flyash, white carbon black, zinc oxide and stearic acid are added and in natural rubber, carry out mixingly, obtain mixture N1;
(2) anti-aging agent, oxidation inhibitor, softening agent and vulcanization accelerator are added and in N1, carry out mixingly, obtain mixture N2
(3) sulphur is added in mixture N2, carry out mixing.
Below will describe the present invention by embodiment.
What need elaboration is, in the present invention, described natural rubber is Thailand 3# smoke sheet rubber, described flyash is the flyash (order number is 1000 orders) that the trade mark of sincere Jiade, capital (Beijing) commerce and trade company limited supply is JD-FA1000, and described precipitated silica is that (CTAB specific surface area is 170m for the traditional silicon-dioxide of Wuxi Que Cheng chemistry of silicones company limited
2/ g), described 2,2,4-trimethylammonium-1,2-dihydroquinoline polymkeric substance and 2,2'-dithio-bis-benzothiazole is the commercially available product of Qingdao Lu Hua Chemical Co., Ltd., and the trade mark of the two lauryl alcohol Zhi Wei of described thio-2 acid Shandong Province Linyi City Sanfeng Chemical Industry Co., Ltd. is the commercially available product of SONOX DLTDP, and described zinc oxide, stearic acid, described dibutyl phthalate and described sulphur are conventional commercially available product.
Embodiment 1
45g flyash, 20g white carbon black, 4g zinc oxide and 1g stearic acid are added and in 100gNR (natural rubber), carry out mixingly, obtain mixture N1; 1g sulphur is added and in mixture N1, carries out mixingly, obtain elastomeric material A1.
Embodiment 2
50g flyash, 23g white carbon black, 5g zinc oxide and 2g stearic acid are added and in 100gNR (natural rubber), carry out mixingly, obtain mixture N1; 2g sulphur is added and in mixture N1, carries out mixingly, obtain elastomeric material A2.
Embodiment 3
60g flyash, 25g white carbon black, 6g zinc oxide and 3g stearic acid are added and in 100gNR (natural rubber), carry out mixingly, obtain mixture N1; 3g sulphur is added and in mixture N1, carries out mixingly, obtain elastomeric material A3.
Embodiment 4
45g flyash, 20g white carbon black, 4g zinc oxide and 1g stearic acid are added and in 100gNR (natural rubber), carry out mixingly, obtain mixture N1; By 0.2g2,2,4-trimethylammonium-1, the two lauryl alcohol esters of 2-dihydroquinoline polymkeric substance, 0.3g thio-2 acid, 0.5g dibutyl phthalate and 1.5g2,2'-dithio-bis-benzothiazole adds and in N1, carries out mixingly, obtains mixture N2; 1g sulphur is added and in mixture N2, carries out mixingly, obtain elastomeric material A4.
Embodiment 5
50g flyash, 23g white carbon black, 5g zinc oxide and 2g stearic acid are added and in 100gNR (natural rubber), carry out mixingly, obtain mixture N1; By 2g2,2,4-trimethylammonium-1, the two lauryl alcohol esters of 2-dihydroquinoline polymkeric substance, 1g thio-2 acid, 2.5g dibutyl phthalate and 5g2,2'-dithio-bis-benzothiazole adds and in N1, carries out mixingly, obtains mixture N2; 2g sulphur is added and in mixture N2, carries out mixingly, obtain elastomeric material A5.
Embodiment 6
60g flyash, 25g white carbon black, 6g zinc oxide and 3g stearic acid are added and in 100gNR (natural rubber), carry out mixingly, obtain mixture N1; By 4g2,2,4-trimethylammonium-1, the two lauryl alcohol esters of 2-dihydroquinoline polymkeric substance, 1.5g thio-2 acid, 5g dibutyl phthalate and 10g2,2'-dithio-bis-benzothiazole adds and in N1, carries out mixingly, obtains mixture N2; 3g sulphur is added and in mixture N2, carries out mixingly, obtain elastomeric material A6.
Embodiment 7
According to the embodiment in embodiment 4, be prepared, different, in the present embodiment, the consumption of flyash is 35g, obtains elastomeric material A7.
Embodiment 8
According to the embodiment in embodiment 6, be prepared, different, in the present embodiment, the consumption of flyash is 70g, obtains elastomeric material A8.
Comparative example 1
According to the embodiment in embodiment 4, be prepared, different, in the present embodiment, the consumption of flyash is 15g, obtains elastomeric material D1.
Comparative example 2
According to the embodiment in embodiment 6, be prepared, different, in the present embodiment, the consumption of flyash is 100g, obtains elastomeric material D2.
Test case
By embodiment 1-8 and comparative example 1, the elastomeric material obtaining in 2 is placed after 16 hours and is vulcanized on 25t vulcanizer, obtain cross-linked rubber sample, the cross-linked rubber sample obtaining is squeezed into thin slice slice, and make length, wide, height is respectively 63mm, the test film of 63mm and 2mm, according to HG/T2729-2012 examination criteria, adopting the friction coefficient instrument detection test film of the MXD-01A of Labthink Instruments Co., Ltd. is 150mm/min at draw speed, test sliding distance is doing under 140mm condition, kinetic friction coefficient under wet condition and static friction coefficient, the result obtaining is as shown in table 1:
Table 1
As can be seen from Table 1, by add flyash in conventional elastomeric material, utilize the roughness of flyash, bound rubber and then greatly increased the roughness of the elastomeric material making, thereby also realized, improved the non-skid property of meeting this elastomeric material after water, simultaneously by be used in conjunction with white carbon black in elastomeric material, the materials such as zinc oxide, further increased the crocking resistance of the elastomeric material making, and because of the price of flyash more cheap, reached the cost performance that has greatly improved the elastomeric material making simultaneously, especially the frictional coefficient under wet condition, comparing comparative example is greatly improved, and then make the elastomeric material making realize anti-skidding, the effect that cost performance is high and practical.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characterictic described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.
In addition, between various embodiment of the present invention, also can carry out arbitrary combination, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. for a rubber material composition for sole, it is characterized in that, described rubber material composition comprises natural rubber, flyash, white carbon black, zinc oxide, stearic acid and sulphur; With respect to the described natural rubber of 100 weight parts, described flyash is 35-70 weight part, and described white carbon black is 15-30 weight part, and described zinc oxide is 2-8 weight part, and described stearic acid is 0.2-4 weight part, and described sulphur is 0.2-4 weight part.
2. composition according to claim 1, wherein, with respect to the described natural rubber of 100 weight parts, described flyash is 45-60 weight part, and described white carbon black is 20-25 weight part, and described zinc oxide is 4-6 weight part, described stearic acid is 1-3 weight part, and described sulphur is 1-3 weight part.
3. composition according to claim 1 and 2, wherein, described material also comprises anti-aging agent, oxidation inhibitor, softening agent and vulcanization accelerator;
With respect to the described natural rubber of 100 weight parts, described anti-aging agent is 0.2-4 weight part, and described oxidation inhibitor is 0.3-1.5 weight part, and described softening agent is 0.5-5 weight part, and described vulcanization accelerator is 1.5-10 weight part.
4. composition according to claim 1 and 2, wherein, described flyash is that order number is 500-1500 object flyash;
Described white carbon black is that CTAB specific surface area is 150-180m
2the white carbon black of/g.
5. composition according to claim 3, wherein, described anti-aging agent is N-phenyl-2-naphthylamine, 2,2,4-trimethylammonium-1,2-dihydroquinoline polymkeric substance, 2-mercaptobenzimidazole, N, N'-bis-(betanaphthyl) Ursol D and N, one or more in N-nickel dibutyl dithiocarbamate;
Described oxidation inhibitor is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] one or more in the two lauryl alcohol esters of pentaerythritol ester, thio-2 acid, the two lauryls of thio-2 acid, the two stearyl alcohol esters of thio-2 acid and BHT;
Described softening agent is one or more in dibutyl phthalate, dioctyl phthalate (DOP), epoxy soybean oil, Tritolyl Phosphate, triphenylphosphate, dioctyl sebacate and clorafin;
Described vulcanization accelerator is 2-benzothiazolyl mercaptan, 2, one or more in 2'-dithio-bis-benzothiazole, N-cyclohexyl-2-benzothiazole sulfonamide, tetramethyl-thiuram disulfide and ziram.
6. for a preparation method for the elastomeric material of sole, it is characterized in that, the method comprises:
(1) flyash, white carbon black, zinc oxide and stearic acid are added and in natural rubber, carry out mixingly, obtain mixture N1;
(2) sulphur is added in mixture N1, carry out mixing;
Wherein, described natural rubber with respect to 100 weight parts, the consumption of described flyash is 35-70 weight part, the consumption of described white carbon black is 15-30 weight part, the consumption of described zinc oxide is 2-8 weight part, described stearic consumption is 0.2-4 weight part, and the consumption of described sulphur is 0.2-4 weight part.
7. preparation method according to claim 6, wherein, described natural rubber with respect to 100 weight parts, the consumption of described flyash is 45-60 weight part, the consumption of described white carbon black is 20-25 weight part, the consumption of described zinc oxide is 4-6 weight part, and described stearic consumption is 1-3 weight part, and the consumption of described sulphur is 1-3 weight part.
8. preparation method according to claim 7, wherein, described preparation method also comprise by anti-aging agent, oxidation inhibitor, softening agent and vulcanization accelerator add in mixture N1, carry out mixing;
Preferably, with respect to the described natural rubber of 100 weight parts, the consumption of described anti-aging agent is 0.2-4 weight part, and the consumption of described oxidation inhibitor is 0.3-1.5 weight part, the consumption of described softening agent is 0.5-5 weight part, and the consumption of described vulcanization accelerator is 1.5-10 weight part.
9. preparation method according to claim 7, wherein, described flyash is that order number is 500-1500 object flyash;
Described white carbon black is that CTAB specific surface area is 150-180m
2the white carbon black of/g.
10. preparation method according to claim 8, wherein, described anti-aging agent is N-phenyl-2-naphthylamine, 2,2,4-trimethylammonium-1,2-dihydroquinoline polymkeric substance, 2-mercaptobenzimidazole, N, N'-bis-(betanaphthyl) Ursol D and N, one or more in N-nickel dibutyl dithiocarbamate;
Described oxidation inhibitor is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] one or more in the two lauryl alcohol esters of pentaerythritol ester, thio-2 acid, the two lauryls of thio-2 acid, the two stearyl alcohol esters of thio-2 acid and BHT;
Described softening agent is one or more in dibutyl phthalate, dioctyl phthalate (DOP), epoxy soybean oil, Tritolyl Phosphate, triphenylphosphate, dioctyl sebacate and clorafin;
Described vulcanization accelerator is 2-benzothiazolyl mercaptan, 2, one or more in 2'-dithio-bis-benzothiazole, N-cyclohexyl-2-benzothiazole sulfonamide, tetramethyl-thiuram disulfide and ziram.
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Cited By (1)
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| CN110305374A (en) * | 2019-07-22 | 2019-10-08 | 三角轮胎股份有限公司 | Low rolling hinders all-steel radial tyre tread rubber composition |
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| CN102871291A (en) * | 2012-10-15 | 2013-01-16 | 广州市邦尔福鞋材有限公司 | Anti-skid sole and preparation method thereof |
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