CN105440380A - High strength wear resistant rubber material - Google Patents
High strength wear resistant rubber material Download PDFInfo
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- CN105440380A CN105440380A CN201510956593.3A CN201510956593A CN105440380A CN 105440380 A CN105440380 A CN 105440380A CN 201510956593 A CN201510956593 A CN 201510956593A CN 105440380 A CN105440380 A CN 105440380A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L15/00—Compositions of rubber derivatives
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
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- 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
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Abstract
The invention discloses a high strength wear resistant rubber material, which comprises the following raw materials: epoxy natural rubber, ethylene propylene diene monomer, butyl rubber, nano zinc oxide, sodium stearate, novel modification fortifier, carbon black N330, sulfur, promoter DM, promoter DOTG, meerschaum powder, grinded polypropylene fiber, mica powder, molybdenum disulfide, silane coupling agent KH-792, trioctyl trimellitate (TOTM), chlorinated paraffin, antioxidant 1010, and antioxidant 264. The high strength wear resistant rubber material has the advantages of good elasticity, high strength, good wear resistant performance, and long service life.
Description
Technical field
The present invention relates to technical field of rubber material, particularly relate to a kind of high-strength wearable elastomeric material.
Background technology
Rubber industry is one of important foundation industry of national economy, due to the performance of its uniqueness, it, to provide in daily life while the indispensable light industrial goods such as daily, medical for the people, also provides various rubber components to heavy industry such as machinery, traffic, building, manufactures.In modern material industrial expansion, elastomeric material is because light and handy, functional, the abundant raw material of quality, easy to process, of many uses, and thus tempo has crossed traditional iron and steel, timber, the large basic material of cement three greatly.The application of elastomeric material in the modern life is also more and more extensive, wherein, the exploitation of high-strength abrasion-proof elastomeric material is the important research direction of current rubber research field, the performance that high-strength abrasion-proof height rubber is good can meet some particular requirements that contemporary science and technology development proposes elastomeric material, there is the features such as quality is little, good insulation preformance compared with traditional metal materials, therefore develop very fast, but have congenital defect, in prior art, high-strength abrasion-proof macromolecular material has firmly crisp, the shortcoming such as easily aging, wear resisting property is not good usually, affects the materials'use life-span.
Summary of the invention
Based on background technology Problems existing, the present invention proposes a kind of high-strength wearable elastomeric material, it is on the basis keeping intrinsic favorable elasticity, and intensity is high, wear resisting property is good, long service life.
A kind of high-strength wearable elastomeric material that the present invention proposes, its raw material comprises by weight: epoxy natural rubber 55-65 part, terpolymer EP rubber 35-45 part, isoprene-isobutylene rubber 45-50 part, nano zine oxide 5-10 part, sodium stearate 1-3 part, new modified strengthening agent 15-30 part, carbon black N3304-12 part, sulphur 3-5 part, altax 1-2 part, vulkacit D OTG1-3 part, sepiolite powder 10-15 part, pulverize polypropylene fibre 3-30 part, mica powder 22-28 part, molybdenumdisulphide 5-8 part, silane coupling agent KH-7920.8-1.2 part, trioctyl trimellitate TOTM9-13 part, clorafin 8-11 part, anti-aging agent 10101-3 part, antioxidant 264 2-4 part,
The preparation method of described novel strengthening agent comprises: in mixed acid solution, add flyash, is 20-40KHz in frequency, and the sound intensity is 0.1-0.3W/cm
2condition under ultrasonic reaction 1-3h, filter, washing, dry obtain modified coal ash; In described modified coal ash, adding toluene stir, then add Silane coupling agent KH550, is 20-40KHz in frequency, and the sound intensity is 0.5-0.8W/cm
2, temperature is ultrasonic reaction 5-7h under the condition of 100-120 DEG C, suction filtration, and washing, obtains the flyash of surface active after vacuum-drying; In the flyash of described surface active, add ethanol stir, add PEG, be warming up to 70-85 DEG C, stir 20-24h, after leaving standstill 10-12h, suction filtration, washing, vacuum-drying, grinding, obtains described new modified strengthening agent.
Preferably, the preparation method of described novel strengthening agent comprises: to being HCl and H of 1:3-5 by mol ratio
2sO
4mixed acid solution in add 40-60 object flyash, be 25-35KHz in frequency, the sound intensity is ultrasonic reaction 2-3h under the condition of 0.1-0.2W/cm2, filter, washing, dry obtain modified coal ash; In described modified coal ash, adding toluene stir, then add Silane coupling agent KH550, is 30-35KHz in frequency, the sound intensity is 0.6-0.7W/cm2, and temperature is ultrasonic reaction 6-7h under the condition of 105-115 DEG C, suction filtration, washing, obtains the flyash of surface active after vacuum-drying; In the flyash of described surface active, add ethanol stir, add PEG, be warming up to 75-80 DEG C, stir 21-23h, after leaving standstill 11-12h, suction filtration, washing, vacuum-drying, being ground to fineness is 10-20 order, obtains described new modified strengthening agent.
Preferably, the weight proportion of flyash, Silane coupling agent KH550, PEG is 100:1-5:20-30.
Preferably, the epoxidation degree that described epoxy natural rubber is 5:1-2 by weight proportion be 10% epoxy natural rubber and epoxidation degree be 30% epoxy natural rubber form.
Preferably, epoxy natural rubber, terpolymer EP rubber, the weight ratio of isoprene-isobutylene rubber is: 59-60:38-40:48-49.
Preferably, the raw material of described high-strength wearable elastomeric material comprises by weight: epoxy natural rubber 58-62 part, terpolymer EP rubber 37-42 part, isoprene-isobutylene rubber 46-48 part, nano zine oxide 7-8 part, sodium stearate 1-2 part, new modified strengthening agent 20-25 part, carbon black N3306-10 part, sulphur 4-5 part, altax 1-2 part, vulkacit D OTG2-3 part, sepiolite powder 12-14 part, pulverize polypropylene fibre 6-20 part, mica powder 24-26 part, molybdenumdisulphide 6-7 part, silane coupling agent KH-7920.9-1.1 part, trioctyl trimellitate TOTM10-12 part, clorafin 9-10 part, anti-aging agent 10101-2 part, antioxidant 264 2-3 part.
Preferably, the preparation method of described high-strength wearable elastomeric material comprises: the 20-25min that epoxy natural rubber, terpolymer EP rubber and isoprene-isobutylene rubber plasticated in Banbury mixer obtains rubber major ingredient, by sepiolite powder, pulverize polypropylene fibre, mica powder, 15-19min is stirred with the stirring velocity of 45-50rpm in molybdenumdisulphide and silane coupling agent KH-792, join again in the Banbury mixer containing described rubber major ingredient with the mixing 38-42min of the stirring velocity of 73-76rpm, continue to add new modified strengthening agent, carbon black N330, trioctyl trimellitate TOTM, clorafin, anti-aging agent 1010 and antioxidant 264, with the mixing 20-25min of the stirring velocity of 80-86rpm, add nano zine oxide again, sodium stearate, sulphur, altax and vulkacit D OTG, mixture is obtained with the stirring velocity banburying 19-25min of 77-80rpm, mixture is added in vulcanizing press and carry out sulfuration and obtain high-strength wearable elastomeric material.
Preferably, the preparation method of described high-strength wearable elastomeric material comprises: the 22-24min that epoxy natural rubber, terpolymer EP rubber and isoprene-isobutylene rubber plasticated in Banbury mixer obtains rubber major ingredient, wherein, and thin-pass 5-6 time, by sepiolite powder, pulverize polypropylene fibre, mica powder, molybdenumdisulphide, 16-18min is stirred with the stirring velocity of 46-48rpm with silane coupling agent KH-792, join again in the Banbury mixer containing described rubber major ingredient with the mixing 39-41min of the stirring velocity of 74-75rpm, continue to add new modified strengthening agent, carbon black N330, trioctyl trimellitate TOTM, clorafin, anti-aging agent 1010 and antioxidant 264, with the mixing 22-24min of the stirring velocity of 82-84rpm, add nano zine oxide again, sodium stearate, sulphur, altax and vulkacit D OTG, mixture is obtained with the stirring velocity banburying 21-23min of 78-79rpm, added by mixture in vulcanizing press and carry out sulfuration, obtain described high-strength wearable elastomeric material, wherein, vulcanizing press temperature is 164-166 DEG C.
High-strength wearable elastomeric material of the present invention adopts epoxy natural rubber, terpolymer EP rubber, isoprene-isobutylene rubber as major ingredient, and not only mutual solubility is good, and improves the cohesive force of sizing material, rigidity and degree of crosslinking, the elasticity of resulting product and wear resistance excellent performance, wherein epoxy natural rubber is on the basis retaining natural rubber over-all properties, further increase resistance to air loss and the tackiness of product, also possess some properties simultaneously, itself and terpolymer EP rubber and isoprene-isobutylene rubber composite, improve the stress at definite elongation of rubber combination, tensile strength, tear strength and wear resisting property, in addition, in order to improve the strength characteristics of elastomeric material in the present invention, by add a kind of new modified strengthening agent and carbon black N330 composite as strengthening agent, described new modified strengthening agent is by carrying out surface modification to flyash, first by after flyash pickling, the particle surface of smoother densification is originally made to become coarse, react rear surface with silane coupling agent to be activated, can produce with the hydroxyl on polyoxyethylene glycol (PEG) and ether and adsorb, thus parcel is produced to flyash, then the interface interaction between the base-material such as flyash and epoxy natural rubber is improved, improve its dispersiveness in described base-material and stability, and remain its distinctive structure of flyash, this is conducive to the supplement effect giving full play to flyash, very big strength property and the ageing-resistant performance that must enhance goods, also add a certain amount of sepiolite powder in the present invention, pulverize polypropylene fibre, mica powder and molybdenumdisulphide as strengthening agent and weighting agent, it can be filled among rubber molecule in a large number, add volume of the present invention, save cost, not only improve the tensile strength tear strength of elastomeric material, significantly enhance the wear resisting property of elastomeric material simultaneously, and with sulphur for main vulcanizing agent, with altax, vulkacit D OTG is the quick sulfur vulcanization system of cocuring agent composition, can significantly improve crosslinking degree between various raw molecule, promote that intermolecular reticulated structure generates, thus greatly improve weather resisteant of the present invention, tensile property and wear resisting property, use trioctyl trimellitate TOTM as softening agent and using clorafin as secondary plasticizer, improve suppleness and plasticity-, make the present invention be easy to processing and use, clorafin is as lubricant simultaneously, also helps the uniform filling such as sepiolite powder, mica powder and is dispersed in rubber major ingredient, anti-aging agent 1010MBZ coordinates with antioxidant 264, can improve ageing-resistant and oxidation resistent susceptibility of the present invention.
Embodiment
Below, by specific embodiment, technical scheme of the present invention is described in detail.
Embodiment 1
A kind of high-strength wearable elastomeric material that the present invention proposes, its raw material comprises by weight: epoxy natural rubber 55 parts, terpolymer EP rubber 45 parts, isoprene-isobutylene rubber 45 parts, nano zine oxide 10 parts, sodium stearate 1 part, new modified strengthening agent 30 parts, carbon black N3304 part, 5 parts, sulphur, altax 1 part, vulkacit D OTG3 part, sepiolite powder 10 parts, pulverize polypropylene fibre 30 parts, mica powder 22 parts, molybdenumdisulphide 8 parts, silane coupling agent KH-7920.8 part, trioctyl trimellitate TOTM13 part, clorafin 8 parts, 10103 parts, anti-aging agent, antioxidant 264 2 parts,
The preparation method of described novel strengthening agent comprises: be HCl and H of 1:3 to mol ratio
2sO
4adding 40-60 object flyash in mixed acid solution, is 20KHz in frequency, and the sound intensity is 0.3W/cm
2condition under ultrasonic reaction 1h, filter, washing, dry obtain modified coal ash; In described modified coal ash, adding toluene stir, then add Silane coupling agent KH550, is 40KHz in frequency, and the sound intensity is 0.5W/cm
2, temperature is ultrasonic reaction 5h under the condition of 120 DEG C, suction filtration, and washing, obtains the flyash of surface active after vacuum-drying; In the flyash of described surface active, add ethanol stir, add PEG, be warming up to 85 DEG C, stir 20h, after leaving standstill 12h, suction filtration, washing, vacuum-drying, being ground to fineness is 10-20 order, obtain described new modified strengthening agent, wherein the weight proportion of flyash, Silane coupling agent KH550, PEG is 100:1:30;
The epoxidation degree that described epoxy natural rubber is 5:1 by weight proportion be 10% epoxy natural rubber and epoxidation degree be 30% epoxy natural rubber form;
The preparation method of described high-strength wearable elastomeric material comprises: the 20min that epoxy natural rubber, terpolymer EP rubber and isoprene-isobutylene rubber plasticated in Banbury mixer obtains rubber major ingredient, wherein, and thin-pass 6 times, by sepiolite powder, pulverize polypropylene fibre, mica powder, molybdenumdisulphide, 15min is stirred with the stirring velocity of 50rpm with silane coupling agent KH-792, join again in the Banbury mixer containing described rubber major ingredient with the mixing 38min of the stirring velocity of 76rpm, continue to add new modified strengthening agent, carbon black N330, trioctyl trimellitate TOTM, clorafin, anti-aging agent 1010 and antioxidant 264, with the mixing 20min of the stirring velocity of 86rpm, add nano zine oxide again, sodium stearate, sulphur, altax and vulkacit D OTG, mixture is obtained with the stirring velocity banburying 19min of 80rpm, added by mixture in vulcanizing press and carry out sulfuration, obtain described high-strength wearable elastomeric material, wherein, vulcanizing press temperature is 164 DEG C.
Embodiment 2
A kind of high-strength wearable elastomeric material that the present invention proposes, its raw material comprises by weight: epoxy natural rubber 65 parts, terpolymer EP rubber 35 parts, isoprene-isobutylene rubber 50 parts, nano zine oxide 5 parts, sodium stearate 3 parts, new modified strengthening agent 15 parts, carbon black N33012 part, 3 parts, sulphur, altax 2 parts, vulkacit D OTG1 part, sepiolite powder 15 parts, pulverize polypropylene fibre 3 parts, mica powder 28 parts, molybdenumdisulphide 5 parts, silane coupling agent KH-7921.2 part, trioctyl trimellitate TOTM9 part, clorafin 11 parts, 10101 parts, anti-aging agent, antioxidant 264 4 parts,
The preparation method of described novel strengthening agent comprises: be HCl and H of 1:5 to mol ratio
2sO
4adding 40-60 object flyash in mixed acid solution, is 40KHz in frequency, and the sound intensity is 0.1W/cm
2condition under ultrasonic reaction 3h, filter, washing, dry obtain modified coal ash; In described modified coal ash, adding toluene stir, then add Silane coupling agent KH550, is 20KHz in frequency, and the sound intensity is 0.8W/cm
2, temperature is ultrasonic reaction 7h under the condition of 100 DEG C, suction filtration, and washing, obtains the flyash of surface active after vacuum-drying; In the flyash of described surface active, add ethanol stir, add PEG, be warming up to 70 DEG C, stir 24h, after leaving standstill 10h, suction filtration, washing, vacuum-drying, being ground to fineness is 10-20 order, obtains described new modified strengthening agent; The weight proportion of flyash, Silane coupling agent KH550, PEG is 100:5:20;
The epoxidation degree that described epoxy natural rubber is 5:2 by weight proportion be 10% epoxy natural rubber and epoxidation degree be 30% epoxy natural rubber form;
The preparation method of described high-strength wearable elastomeric material comprises: the 25min that epoxy natural rubber, terpolymer EP rubber and isoprene-isobutylene rubber plasticated in Banbury mixer obtains rubber major ingredient, wherein, and thin-pass 5 times, by sepiolite powder, pulverize polypropylene fibre, mica powder, molybdenumdisulphide, 19min is stirred with the stirring velocity of 45rpm with silane coupling agent KH-792, join again in the Banbury mixer containing described rubber major ingredient with the mixing 42min of the stirring velocity of 73rpm, continue to add new modified strengthening agent, carbon black N330, trioctyl trimellitate TOTM, clorafin, anti-aging agent 1010 and antioxidant 264, with the mixing 25min of the stirring velocity of 80rpm, add nano zine oxide again, sodium stearate, sulphur, altax and vulkacit D OTG, mixture is obtained with the stirring velocity banburying 25min of 77rpm, added by mixture in vulcanizing press and carry out sulfuration, obtain described high-strength wearable elastomeric material, wherein, vulcanizing press temperature is 166 DEG C.
Embodiment 3
A kind of high-strength wearable elastomeric material that the present invention proposes, its raw material comprises by weight: epoxy natural rubber 58 parts, terpolymer EP rubber 42 parts, isoprene-isobutylene rubber 46 parts, nano zine oxide 8 parts, sodium stearate 1 part, new modified strengthening agent 25 parts, carbon black N3306 part, 5 parts, sulphur, altax 1 part, vulkacit D OTG3 part, sepiolite powder 12 parts, pulverize polypropylene fibre 20 parts, mica powder 24 parts, molybdenumdisulphide 7 parts, silane coupling agent KH-7920.9 part, trioctyl trimellitate TOTM12 part, clorafin 9 parts, 10102 parts, anti-aging agent, antioxidant 264 2 parts,
The preparation method of described novel strengthening agent comprises: be HCl and H of 1:4 to mol ratio
2sO
4adding 40-60 object flyash in mixed acid solution, is 25KHz in frequency, and the sound intensity is 0.2W/cm
2condition under ultrasonic reaction 2h, filter, washing, dry obtain modified coal ash; In described modified coal ash, adding toluene stir, then add Silane coupling agent KH550, is 35KHz in frequency, and the sound intensity is 0.6W/cm
2, temperature is ultrasonic reaction 6h under the condition of 115 DEG C, suction filtration, and washing, obtains the flyash of surface active after vacuum-drying; In the flyash of described surface active, add ethanol stir, add PEG, be warming up to 80 DEG C, stir 21h, after leaving standstill 12h, suction filtration, washing, vacuum-drying, being ground to fineness is 10-20 order, obtains described new modified strengthening agent; The weight proportion of flyash, Silane coupling agent KH550, PEG is 100:3:25;
The epoxidation degree that described epoxy natural rubber is 5:1.5 by weight proportion be 10% epoxy natural rubber and epoxidation degree be 30% epoxy natural rubber form;
The preparation method of described high-strength wearable elastomeric material comprises: the 22min that epoxy natural rubber, terpolymer EP rubber and isoprene-isobutylene rubber plasticated in Banbury mixer obtains rubber major ingredient, wherein, and thin-pass 6 times, by sepiolite powder, pulverize polypropylene fibre, mica powder, molybdenumdisulphide, 18min is stirred with the stirring velocity of 46rpm with silane coupling agent KH-792, join again in the Banbury mixer containing described rubber major ingredient with the mixing 41min of the stirring velocity of 74rpm, continue to add new modified strengthening agent, carbon black N330, trioctyl trimellitate TOTM, clorafin, anti-aging agent 1010 and antioxidant 264, with the mixing 24min of the stirring velocity of 82rpm, add nano zine oxide again, sodium stearate, sulphur, altax and vulkacit D OTG, mixture is obtained with the stirring velocity banburying 23min of 78rpm, added by mixture in vulcanizing press and carry out sulfuration, obtain described high-strength wearable elastomeric material, wherein, vulcanizing press temperature is 165 DEG C.
Embodiment 4
A kind of high-strength wearable elastomeric material that the present invention proposes, its raw material comprises by weight: epoxy natural rubber 62 parts, terpolymer EP rubber 37 parts, isoprene-isobutylene rubber 48 parts, nano zine oxide 7 parts, sodium stearate 2 parts, new modified strengthening agent 20 parts, carbon black N33010 part, 4 parts, sulphur, altax 2 parts, vulkacit D OTG2 part, sepiolite powder 14 parts, pulverize polypropylene fibre 6 parts, mica powder 26 parts, molybdenumdisulphide 6 parts, silane coupling agent KH-7921.1 part, trioctyl trimellitate TOTM10 part, clorafin 10 parts, 10101 parts, anti-aging agent, antioxidant 264 3 parts,
The preparation method of described novel strengthening agent comprises: be HCl and H of 1:4 to mol ratio
2sO
4adding 40-60 object flyash in mixed acid solution, is 35KHz in frequency, and the sound intensity is 0.1W/cm
2condition under ultrasonic reaction 3h, filter, washing, dry obtain modified coal ash; In described modified coal ash, adding toluene stir, then add Silane coupling agent KH550, is 30KHz in frequency, and the sound intensity is 0.7W/cm2, and temperature is ultrasonic reaction 7h under the condition of 105 DEG C, suction filtration, and washing, obtains the flyash of surface active after vacuum-drying; In the flyash of described surface active, add ethanol stir, add PEG, be warming up to 75 DEG C, stir 23h, after leaving standstill 11h, suction filtration, washing, vacuum-drying, being ground to fineness is 10-20 order, obtains described new modified strengthening agent; The weight proportion of flyash, Silane coupling agent KH550, PEG is 100:2:27;
The epoxidation degree that described epoxy natural rubber is 5:1.5 by weight proportion be 10% epoxy natural rubber and epoxidation degree be 30% epoxy natural rubber form;
The preparation method of described high-strength wearable elastomeric material comprises: the 24min that epoxy natural rubber, terpolymer EP rubber and isoprene-isobutylene rubber plasticated in Banbury mixer obtains rubber major ingredient, wherein, and thin-pass 5 times, by sepiolite powder, pulverize polypropylene fibre, mica powder, molybdenumdisulphide, 16min is stirred with the stirring velocity of 48rpm with silane coupling agent KH-792, join again in the Banbury mixer containing described rubber major ingredient with the mixing 39min of the stirring velocity of 75rpm, continue to add new modified strengthening agent, carbon black N330, trioctyl trimellitate TOTM, clorafin, anti-aging agent 1010 and antioxidant 264, with the mixing 22min of the stirring velocity of 84rpm, add nano zine oxide again, sodium stearate, sulphur, altax and vulkacit D OTG, mixture is obtained with the stirring velocity banburying 21min of 79rpm, added by mixture in vulcanizing press and carry out sulfuration, obtain described high-strength wearable elastomeric material, wherein, vulcanizing press temperature is 165 DEG C.
High-strength wearable elastomeric material of the present invention adopts epoxy natural rubber, terpolymer EP rubber, isoprene-isobutylene rubber as major ingredient, and not only mutual solubility is good, and improves the cohesive force of sizing material, rigidity and degree of crosslinking, the elasticity of resulting product and wear resistance excellent performance, wherein epoxy natural rubber is on the basis retaining natural rubber over-all properties, further increase resistance to air loss and the tackiness of product, also possess some properties simultaneously, itself and terpolymer EP rubber and isoprene-isobutylene rubber composite, improve the stress at definite elongation of rubber combination, tensile strength, tear strength and wear resisting property, in addition, in order to improve the strength characteristics of elastomeric material in the present invention, by add a kind of new modified strengthening agent and carbon black N330 composite as strengthening agent, described new modified strengthening agent is by carrying out surface modification to flyash, first by after flyash pickling, the particle surface of smoother densification is originally made to become coarse, react rear surface with silane coupling agent to be activated, can produce with the hydroxyl on polyoxyethylene glycol (PEG) and ether and adsorb, thus parcel is produced to flyash, then the interface interaction between the base-material such as flyash and epoxy natural rubber is improved, improve its dispersiveness in described base-material and stability, and remain its distinctive structure of flyash, this is conducive to the supplement effect giving full play to flyash, very big strength property and the ageing-resistant performance that must enhance goods, also add a certain amount of sepiolite powder in the present invention, pulverize polypropylene fibre, mica powder and molybdenumdisulphide as strengthening agent and weighting agent, it can be filled among rubber molecule in a large number, add volume of the present invention, save cost, not only improve the tensile strength tear strength of elastomeric material, significantly enhance the wear resisting property of elastomeric material simultaneously, and with sulphur for main vulcanizing agent, with altax, vulkacit D OTG is the quick sulfur vulcanization system of cocuring agent composition, can significantly improve crosslinking degree between various raw molecule, promote that intermolecular reticulated structure generates, thus greatly improve weather resisteant of the present invention, tensile property and wear resisting property, use trioctyl trimellitate TOTM as softening agent and using clorafin as secondary plasticizer, improve suppleness and plasticity-, make the present invention be easy to processing and use, clorafin is as lubricant simultaneously, also helps the uniform filling such as sepiolite powder, mica powder and is dispersed in rubber major ingredient, anti-aging agent 1010MBZ coordinates with antioxidant 264, can improve ageing-resistant and oxidation resistent susceptibility of the present invention.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (8)
1. a high-strength wearable elastomeric material, it is characterized in that, its raw material comprises by weight: epoxy natural rubber 55-65 part, terpolymer EP rubber 35-45 part, isoprene-isobutylene rubber 45-50 part, nano zine oxide 5-10 part, sodium stearate 1-3 part, new modified strengthening agent 15-30 part, carbon black N3304-12 part, sulphur 3-5 part, altax 1-2 part, vulkacit D OTG1-3 part, sepiolite powder 10-15 part, pulverize polypropylene fibre 3-30 part, mica powder 22-28 part, molybdenumdisulphide 5-8 part, silane coupling agent KH-7920.8-1.2 part, trioctyl trimellitate TOTM9-13 part, clorafin 8-11 part, anti-aging agent 10101-3 part, antioxidant 264 2-4 part,
The preparation method of described novel strengthening agent comprises: in mixed acid solution, add flyash, is 20-40KHz in frequency, and the sound intensity is 0.1-0.3W/cm
2condition under ultrasonic reaction 1-3h, filter, washing, dry obtain modified coal ash; In described modified coal ash, adding toluene stir, then add Silane coupling agent KH550, is 20-40KHz in frequency, and the sound intensity is 0.5-0.8W/cm
2, temperature is ultrasonic reaction 5-7h under the condition of 100-120 DEG C, suction filtration, and washing, obtains the flyash of surface active after vacuum-drying; In the flyash of described surface active, add ethanol stir, add PEG, be warming up to 70-85 DEG C, stir 20-24h, after leaving standstill 10-12h, suction filtration, washing, vacuum-drying, grinding, obtains described new modified strengthening agent.
2. high-strength wearable elastomeric material according to claim 1, it is characterized in that, the preparation method of described novel strengthening agent comprises: to being HCl and H of 1:3-5 by mol ratio
2sO
4mixed acid solution in add 40-60 object flyash, be 25-35KHz in frequency, the sound intensity is 0.1-0.2W/cm
2condition under ultrasonic reaction 2-3h, filter, washing, dry obtain modified coal ash; In described modified coal ash, adding toluene stir, then add Silane coupling agent KH550, is 30-35KHz in frequency, and the sound intensity is 0.6-0.7W/cm
2, temperature is ultrasonic reaction 6-7h under the condition of 105-115 DEG C, suction filtration, and washing, obtains the flyash of surface active after vacuum-drying; In the flyash of described surface active, add ethanol stir, add PEG, be warming up to 75-80 DEG C, stir 21-23h, after leaving standstill 11-12h, suction filtration, washing, vacuum-drying, being ground to fineness is 10-20 order, obtains described new modified strengthening agent.
3. high-strength wearable elastomeric material according to claim 2, it is characterized in that, the weight proportion of flyash, Silane coupling agent KH550, PEG is 100:1-5:20-30.
4. high-strength wearable elastomeric material according to any one of claim 1-3, it is characterized in that, the epoxidation degree that described epoxy natural rubber is 5:1-2 by weight proportion be 10% epoxy natural rubber and epoxidation degree be 30% epoxy natural rubber form.
5. high-strength wearable elastomeric material according to any one of claim 1-4, is characterized in that, epoxy natural rubber, terpolymer EP rubber, and the weight ratio of isoprene-isobutylene rubber is: 59-60:38-40:48-49.
6. high-strength wearable elastomeric material according to any one of claim 1-5, it is characterized in that, its raw material comprises by weight: epoxy natural rubber 58-62 part, terpolymer EP rubber 37-42 part, isoprene-isobutylene rubber 46-48 part, nano zine oxide 7-8 part, sodium stearate 1-2 part, new modified strengthening agent 20-25 part, carbon black N3306-10 part, sulphur 4-5 part, altax 1-2 part, vulkacit D OTG2-3 part, sepiolite powder 12-14 part, pulverize polypropylene fibre 6-20 part, mica powder 24-26 part, molybdenumdisulphide 6-7 part, silane coupling agent KH-7920.9-1.1 part, trioctyl trimellitate TOTM10-12 part, clorafin 9-10 part, anti-aging agent 10101-2 part, antioxidant 264 2-3 part.
7. high-strength wearable elastomeric material according to any one of claim 1-6, it is characterized in that, the preparation method of described high-strength wearable elastomeric material comprises: the 20-25min that epoxy natural rubber, terpolymer EP rubber and isoprene-isobutylene rubber plasticated in Banbury mixer obtains rubber major ingredient, by sepiolite powder, pulverize polypropylene fibre, mica powder, 15-19min is stirred with the stirring velocity of 45-50rpm in molybdenumdisulphide and silane coupling agent KH-792, join again in the Banbury mixer containing described rubber major ingredient with the mixing 38-42min of the stirring velocity of 73-76rpm, continue to add new modified strengthening agent, carbon black N330, trioctyl trimellitate TOTM, clorafin, anti-aging agent 1010 and antioxidant 264, with the mixing 20-25min of the stirring velocity of 80-86rpm, add nano zine oxide again, sodium stearate, sulphur, altax and vulkacit D OTG, mixture is obtained with the stirring velocity banburying 19-25min of 77-80rpm, mixture is added in vulcanizing press and carry out sulfuration and obtain described high-strength wearable elastomeric material.
8. high-strength wearable elastomeric material according to claim 7, it is characterized in that, the preparation method of described high-strength wearable elastomeric material comprises: the 22-24min that epoxy natural rubber, terpolymer EP rubber and isoprene-isobutylene rubber plasticated in Banbury mixer obtains rubber major ingredient, wherein, and thin-pass 5-6 time, by sepiolite powder, pulverize polypropylene fibre, mica powder, molybdenumdisulphide, 16-18min is stirred with the stirring velocity of 46-48rpm with silane coupling agent KH-792, join again in the Banbury mixer containing described rubber major ingredient with the mixing 39-41min of the stirring velocity of 74-75rpm, continue to add new modified strengthening agent, carbon black N330, trioctyl trimellitate TOTM, clorafin, anti-aging agent 1010 and antioxidant 264, with the mixing 22-24min of the stirring velocity of 82-84rpm, add nano zine oxide again, sodium stearate, sulphur, altax and vulkacit D OTG, mixture is obtained with the stirring velocity banburying 21-23min of 78-79rpm, added by mixture in vulcanizing press and carry out sulfuration, obtain described high-strength wearable elastomeric material, wherein, vulcanizing press temperature is 164-166 DEG C.
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| CN107298805A (en) * | 2017-07-31 | 2017-10-27 | 安徽中鼎胶管制品有限公司 | A kind of preparation method of gearbox cooling water pipe |
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| CN110903557A (en) * | 2018-09-17 | 2020-03-24 | 兴化市翔宇体育器材有限公司 | Rubber composition for sports goods and preparation method thereof |
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