CN104311903A - High-strength wear-resisting modified natural rubber material - Google Patents
High-strength wear-resisting modified natural rubber material Download PDFInfo
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Abstract
The invention discloses a high-strength wear-resisting modified natural rubber material. The high-strength wear-resisting modified natural rubber material is prepared from the following raw materials in parts by weight: 45-55 parts of natural rubber, 22-26 parts of ethylene-propylene-diene monomer rubber, 11-14 parts of butadiene rubber, 30-35 parts of modified boehmite, 9-12 parts of a hollow glass bead, 10-13 parts of furnace black, 12-16 parts of aluminum hydroxide, 3-5 parts of a monoalkoxyl titanate coupling agent, 0.5-0.8 part of sulfur powder, 0.8-1.3 parts of an accelerant TMTD (Tetramethylthiuram Disulfide), 2-2.4 parts of an accelerant DM (2,2'-dibenzothiazole disulfide), 0.7-0.9 part of an antiager SP (Styrenated Phenol), 2-3 parts of an antiager RD (poly(1,2-dihydro-2,2,4-trimethyl-quinoline)), 0.5-1.5 parts of stearic acid, 7-11 parts of phenyl petroleum sulfonate, and 2.3-2.6 parts of epoxy resin. The high-strength wear-resisting modified natural rubber material disclosed by the invention is high in strength, good in wear resistance, and capable of meeting requirements for the natural rubber properties in the industrial production.
Description
Technical field
The present invention relates to natural rubber material technical field, particularly relate to a kind of high-strength abrasion-proof modified natural rubber material.
Background technology
The natural high moleculer eompound of natural rubber to be a kind of with polyisoprene be main component, polyisoprene contents is more than 90%, also containing a small amount of protein, lipid acid, sugar and ash grade, because it has good elasticity, plasticity-, intensity and insulating property, early oneself is widely used in industrial various field, such as: electric wire, cable, conveying belt, sebific duct, electronics, the various rubber items that electrical equipment industry uses, and automobile, aircraft, the rubber item etc. that ship uses, but due to the intensity of natural rubber and wear resisting property not good, in actual production, the mode of conventional modification promotes these two performances of natural rubber, develop a kind of intensity high, the natural rubber material that wear resisting property is good has very important current demand.
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Summary of the invention
The technical problem that basic background technology exists, the present invention proposes a kind of high-strength abrasion-proof modified natural rubber material, intensity is high, wear resistance good, can meet the demand to natural rubber performance in industrial production.
A kind of high-strength abrasion-proof modified natural rubber material that the present invention proposes, its raw material comprises by weight: natural rubber 45-55 part, terpolymer EP rubber 22-26 part, cis-1,4-polybutadiene rubber 11-14 part, modification boehmite 30-35 part, hollow glass micropearl 9-12 part, furnace treated black 10-13 part, aluminium hydroxide 12-16 part, monoalkoxy type titanate coupling agent 3-5 part, SULPHUR POWDER 0.5-0.8 part, Vulcanization accelerator TMTD 0.8-1.3 part, altax 2-2.4 part, antioxidant SP 0.7-0.9 part, anti-aging agent RD 2-3 part, stearic acid 0.5-1.5 part, phenyl alkylsulfonate 7-11 part, epoxy resin 2.3-2.6 part,
In preparation process, preheating Banbury mixer is to 75-78 DEG C, the stirring velocity banburying 25-28min that natural rubber, terpolymer EP rubber, cis-1,4-polybutadiene rubber are sent into 220-250rpm in above-mentioned Banbury mixer is obtained rubber major ingredient, triangle bag is played 6-9 time in internal mixing pass, continue to drop into modification boehmite, hollow glass micropearl, furnace treated black, aluminium hydroxide and monoalkoxy type titanate coupling agent, obtain mixture C with the stirring velocity banburying 20-24min of 120-135rpm; Stearic acid, phenyl alkylsulfonate, epoxy resin are added in the Banbury mixer of contain mixtures material C with the mixing 20-23min of the stirring velocity of 100-105rpm, add antioxidant SP, anti-aging agent RD again, with the mixing 10-15min of the stirring velocity of 82-85rpm, continue to add SULPHUR POWDER, Vulcanization accelerator TMTD, altax with the stirring velocity banburying 16-19min of 90-95rpm, temperature is risen to 150-155 DEG C again after mixing 10-12min, cooling discharge, obtains high-strength abrasion-proof modified natural rubber material;
Wherein the preparation method of modification boehmite is: added in 600-800 part deionized water by 6-9 part boehmite by weight, ultrasonic disperse 35-38min obtains solution A, and the frequency of supersound process is 15-18KHz, and the power of supersound process is 1000-1100W; Add 1.2-1.6 part Silane coupling agent KH550 in solution A after, carry out twice magnetic agitation and obtain solution B, magnetic agitation time first time is 32-35min, magnetic agitation speed is 80-100rpm for the first time, magnetic agitation temperature is 20-25 DEG C for the first time, the second time magnetic agitation time is 12-16min, and second time magnetic agitation speed is 120-125rpm, and second time magnetic agitation temperature is 155-158 DEG C; By solution B ageing 15-18h, dry, pulverizing obtains modification boehmite.
Boehmite, also known as boehmite, physical and mechanical properties is splendid, but because its surface is containing a lot of hydroxyl, and there is wetting ability and strong polarity, so can not be compatible with rubber molecule when the reinforcing filler as rubber, the present invention uses Silane coupling agent KH550 to obtain modification boehmite to its modification.
Ageing be solution precipitation completely after, allow the precipitation just generated place for some time together with mother liquor, this process is called " ageing ".Its effect: 1, remove the impurity contained in precipitation; 2, allow precipitating crystalline grow and increase crystal particle diameter, and make its size distribution more even.
Preferably, the water content of natural rubber is 2-5%.
Preferably, the mooney viscosity (ML1+4,100 DEG C) of terpolymer EP rubber is 30-45.
Preferably, the weight ratio of natural rubber, terpolymer EP rubber, cis-1,4-polybutadiene rubber is 48-50:23-25:12-13.
Preferably, its raw material comprises by weight: natural rubber 48-50 part, terpolymer EP rubber 23-25 part, cis-1,4-polybutadiene rubber 12-13 part, modification boehmite 33-34 part, hollow glass micropearl 10-11 part, furnace treated black 11-12 part, aluminium hydroxide 13-15 part, monoalkoxy type titanate coupling agent 3.5-4 part, SULPHUR POWDER 0.6-0.7 part, Vulcanization accelerator TMTD 0.9-1.1 part, altax 2.1-2.2 part, antioxidant SP 0.8-0.9 part, anti-aging agent RD 2.5-3 part, stearic acid 0.8-1.2 part, phenyl alkylsulfonate 8-10 part, epoxy resin 2.4-2.5 part;
Preferably, in its preparation process, preheating Banbury mixer is to 76-77 DEG C, the stirring velocity banburying 26-27min that natural rubber, terpolymer EP rubber, cis-1,4-polybutadiene rubber are sent into 230-240rpm in above-mentioned Banbury mixer is obtained rubber major ingredient, triangle bag is played 7-8 time in internal mixing pass, continue to drop into modification boehmite, hollow glass micropearl, furnace treated black, aluminium hydroxide and monoalkoxy type titanate coupling agent, obtain mixture C with the stirring velocity banburying 22-23min of 125-130rpm; Stearic acid, phenyl alkylsulfonate, epoxy resin are added in the Banbury mixer of contain mixtures material C with the mixing 21-22min of the stirring velocity of 102-103rpm, add antioxidant SP, anti-aging agent RD again, with the mixing 12-13min of the stirring velocity of 83-84rpm, continue to add SULPHUR POWDER, Vulcanization accelerator TMTD, altax with the stirring velocity banburying 17-18min of 92-94rpm, temperature is risen to 152-153 DEG C again after mixing 10.5-11min, cooling discharge, obtains high-strength abrasion-proof modified natural rubber material;
Preferably, modification boehmite preparation method in its raw material is: add in 650-700 part deionized water by 7-8 part boehmite by weight, ultrasonic disperse 36-37min obtains solution A, and the frequency of supersound process is 16-17KHz, and the power of supersound process is 1050-1080W; Add 1.3-1.5 part Silane coupling agent KH550 in solution A after, carry out twice magnetic agitation and obtain solution B, magnetic agitation time first time is 33-34min, magnetic agitation speed is 85-90rpm for the first time, magnetic agitation temperature is 23-24 DEG C for the first time, the second time magnetic agitation time is 13-15min, and second time magnetic agitation speed is 122-124rpm, and second time magnetic agitation temperature is 156-157 DEG C; By solution B ageing 16-17h, dry, pulverizing obtains modification boehmite.
The present invention adopts natural rubber, terpolymer EP rubber, cis-1,4-polybutadiene rubber as major ingredient, there is higher intensity and good wear resisting property, when the water content of natural rubber is 2-5%, reduce preparation time of the present invention, and control the mooney viscosity (ML1+4 of terpolymer EP rubber, 100 DEG C) be 30-45, greatly strengthen plasticity-of the present invention, improve processing characteristics of the present invention, add modification boehmite, hollow glass micropearl, furnace treated black and aluminium hydroxide are as reinforcing filler, significantly improve intensity of the present invention, wear resisting property, and make the present invention have good erosion resistance and tear resistance, wherein modification boehmite is that boehmite is made through modification, in modifying process, the oxyethyl group of Silane coupling agent KH550 and the hydroxyl of boehmite surface react, Silane coupling agent KH550 is made to be grafted to boehmite surface, polysulfidic bond simultaneously on Silane coupling agent KH550 can with rubber molecule covalent attachment, formation take Silane coupling agent KH550 as " cross-linked network " of cross-linking set, enhance intensity of the present invention and wear resisting property, modification simultaneously also enhances the dispersiveness of boehmite in rubber matrix, reach oleophilic drainage, reduce surface energy, improve the object of its consistency in rubber matrix, be subject to extraneous as impacted in the present invention, during the reactive forces such as friction, " cross-linked network " can dissipation of ferees rapidly, reactive force is transferred on the splendid modification boehmite of physical mechanical strength, thus substantially increase intensity of the present invention, wear resisting property and impact resistance, simultaneously, the interpolation of reinforcing filler, expand volume of the present invention, reduce cost, using monoalkoxy type titanate coupling agent as coupling agent, strengthen the consistency of each raw material, make the reinforcing filler of above-mentioned interpolation and rubber molecule in sulfidation, " reticulated structure " that homogeneous cross-link distribution is formed, define one " overall network effect ", greatly strengthen intensity of the present invention and wear resisting property, add SULPHUR POWDER as vulcanizing agent, be aided with the vulcanization system of Vulcanization accelerator TMTD, altax formation simultaneously, there is vulcanization rate fast, the feature that compression deformation rate is low, contribute to the formation of " reticulated structure " between rubber molecule, thus strengthen elasticity of the present invention, wear resistance and intensity, add epoxy resin, the too fast appearance causing " incipient scorch " phenomenon of vulcanization rate can be prevented, increase the storage life of sizing material simultaneously, improve the processing safety in the invention process process, add antioxidant SP and anti-aging agent RD, resistance of oxidation of the present invention and anti ageing property can be improved, phenyl alkylsulfonate is as lubricant, modification boehmite, hollow glass micropearl, furnace treated black and aluminium hydroxide is made to be dispersed in rubber major ingredient, simultaneously with stearic acid with the use of, make any surface finish of the present invention, be easy to depart from from mould, be beneficial to further processing treatment, can also as stablizer, with antioxidant SP, anti-aging agent RD with the use of, 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 abrasion-proof modified natural rubber material that the present invention proposes, its raw material comprises by weight: natural rubber 55 parts, terpolymer EP rubber 22 parts, cis-1,4-polybutadiene rubber 14 parts, modification boehmite 30 parts, hollow glass micropearl 12 parts, furnace treated black 10 parts, 16 parts, aluminium hydroxide, monoalkoxy type titanate coupling agent 3 parts, SULPHUR POWDER 0.8 part, Vulcanization accelerator TMTD 0.8 part, altax 2.4 parts, antioxidant SP 0.9 part, anti-aging agent RD 2 parts, stearic acid 1.5 parts, phenyl alkylsulfonate 7 parts, epoxy resin 2.6 parts; The water content of natural rubber is 2%; The mooney viscosity (ML1+4,100 DEG C) of terpolymer EP rubber is 45;
In preparation process, preheating Banbury mixer is to 78 DEG C, the stirring velocity banburying 28min that natural rubber, terpolymer EP rubber, cis-1,4-polybutadiene rubber are sent into 220rpm in above-mentioned Banbury mixer is obtained rubber major ingredient, triangle bag is played 6 times in internal mixing pass, continue to drop into modification boehmite, hollow glass micropearl, furnace treated black, aluminium hydroxide and monoalkoxy type titanate coupling agent, obtain mixture C with the stirring velocity banburying 20min of 135rpm; Stearic acid, phenyl alkylsulfonate, epoxy resin are added in the Banbury mixer of contain mixtures material C with the mixing 20min of the stirring velocity of 105rpm, add antioxidant SP, anti-aging agent RD again, with the mixing 10min of the stirring velocity of 85rpm, continue to add SULPHUR POWDER, Vulcanization accelerator TMTD, altax with the stirring velocity banburying 19min of 90rpm, temperature is risen to 150 DEG C again after mixing 12min, cooling discharge, obtains high-strength abrasion-proof modified natural rubber material;
Wherein the preparation method of modification boehmite is: added in 600 parts of deionized waters by 9 parts of boehmites by weight, ultrasonic disperse 38min obtains solution A, and the frequency of supersound process is 15KHz, and the power of supersound process is 1100W; Add 1.2 parts of Silane coupling agent KH550s in solution A after, carry out twice magnetic agitation and obtain solution B, magnetic agitation time first time is 35min, magnetic agitation speed is 80rpm for the first time, magnetic agitation temperature is 25 DEG C for the first time, the second time magnetic agitation time is 12min, and second time magnetic agitation speed is 125rpm, and second time magnetic agitation temperature is 155 DEG C; By solution B ageing 18h, dry, pulverizing obtains modification boehmite.
Embodiment 2
A kind of high-strength abrasion-proof modified natural rubber material that the present invention proposes, its raw material comprises by weight: natural rubber 45 parts, terpolymer EP rubber 26 parts, cis-1,4-polybutadiene rubber 11 parts, modification boehmite 35 parts, hollow glass micropearl 9 parts, furnace treated black 13 parts, 12 parts, aluminium hydroxide, monoalkoxy type titanate coupling agent 5 parts, SULPHUR POWDER 0.5 part, Vulcanization accelerator TMTD 1.3 parts, altax 2 parts, antioxidant SP 0.7 part, anti-aging agent RD 3 parts, stearic acid 0.5 part, phenyl alkylsulfonate 11 parts, epoxy resin 2.3 parts; The water content of natural rubber is 5%; The mooney viscosity (ML1+4,100 DEG C) of terpolymer EP rubber is 30;
In preparation process, preheating Banbury mixer is to 75 DEG C, the stirring velocity banburying 25min that natural rubber, terpolymer EP rubber, cis-1,4-polybutadiene rubber are sent into 250rpm in above-mentioned Banbury mixer is obtained rubber major ingredient, triangle bag is played 9 times in internal mixing pass, continue to drop into modification boehmite, hollow glass micropearl, furnace treated black, aluminium hydroxide and monoalkoxy type titanate coupling agent, obtain mixture C with the stirring velocity banburying 24min of 120rpm; Stearic acid, phenyl alkylsulfonate, epoxy resin are added in the Banbury mixer of contain mixtures material C with the mixing 23min of the stirring velocity of 100rpm, add antioxidant SP, anti-aging agent RD again, with the mixing 15min of the stirring velocity of 82rpm, continue to add SULPHUR POWDER, Vulcanization accelerator TMTD, altax with the stirring velocity banburying 16min of 95rpm, temperature is risen to 155 DEG C again after mixing 10min, cooling discharge, obtains high-strength abrasion-proof modified natural rubber material;
Wherein the preparation method of modification boehmite is: added in 800 parts of deionized waters by 6 parts of boehmites by weight, ultrasonic disperse 35min obtains solution A, and the frequency of supersound process is 18KHz, and the power of supersound process is 1000W; Add 1.6 parts of Silane coupling agent KH550s in solution A after, carry out twice magnetic agitation and obtain solution B, magnetic agitation time first time is 32min, magnetic agitation speed is 100rpm for the first time, magnetic agitation temperature is 20 DEG C for the first time, the second time magnetic agitation time is 16min, and second time magnetic agitation speed is 120rpm, and second time magnetic agitation temperature is 158 DEG C; By solution B ageing 15h, dry, pulverizing obtains modification boehmite.
Embodiment 3
A kind of high-strength abrasion-proof modified natural rubber material that the present invention proposes, its raw material comprises by weight: natural rubber 50 parts, terpolymer EP rubber 23 parts, cis-1,4-polybutadiene rubber 13 parts, modification boehmite 33 parts, hollow glass micropearl 11 parts, furnace treated black 11 parts, 15 parts, aluminium hydroxide, monoalkoxy type titanate coupling agent 3.5 parts, SULPHUR POWDER 0.7 part, Vulcanization accelerator TMTD 0.9 part, altax 2.2 parts, antioxidant SP 0.8 part, anti-aging agent RD 3 parts, stearic acid 0.8 part, phenyl alkylsulfonate 10 parts, epoxy resin 2.4 parts; The water content of natural rubber is 3%; The mooney viscosity (ML1+4,100 DEG C) of terpolymer EP rubber is 35;
In preparation process, preheating Banbury mixer is to 76 DEG C, the stirring velocity banburying 26min that natural rubber, terpolymer EP rubber, cis-1,4-polybutadiene rubber are sent into 240rpm in above-mentioned Banbury mixer is obtained rubber major ingredient, triangle bag is played 8 times in internal mixing pass, continue to drop into modification boehmite, hollow glass micropearl, furnace treated black, aluminium hydroxide and monoalkoxy type titanate coupling agent, obtain mixture C with the stirring velocity banburying 23min of 125rpm; Stearic acid, phenyl alkylsulfonate, epoxy resin are added in the Banbury mixer of contain mixtures material C with the mixing 22min of the stirring velocity of 102rpm, add antioxidant SP, anti-aging agent RD again, with the mixing 13min of the stirring velocity of 83rpm, continue to add SULPHUR POWDER, Vulcanization accelerator TMTD, altax with the stirring velocity banburying 17min of 94rpm, temperature is risen to 153 DEG C again after mixing 10.5min, cooling discharge, obtains high-strength abrasion-proof modified natural rubber material;
Wherein the preparation method of modification boehmite is: added in 650 parts of deionized waters by 8 parts of boehmites by weight, ultrasonic disperse 37min obtains solution A, and the frequency of supersound process is 16KHz, and the power of supersound process is 1080W; Add 1.3 parts of Silane coupling agent KH550s in solution A after, carry out twice magnetic agitation and obtain solution B, magnetic agitation 34min, magnetic agitation speed is 85rpm for the first time, magnetic agitation temperature is 24 DEG C for the first time, the second time magnetic agitation time is 13min, and second time magnetic agitation speed is 124rpm, and second time magnetic agitation temperature is 156 DEG C; By solution B ageing 17h, dry, pulverizing obtains modification boehmite.
Embodiment 4
A kind of high-strength abrasion-proof modified natural rubber material that the present invention proposes, its raw material comprises by weight: natural rubber 48 parts, terpolymer EP rubber 25 parts, cis-1,4-polybutadiene rubber 12 parts, modification boehmite 34 parts, hollow glass micropearl 10 parts, furnace treated black 12 parts, 13 parts, aluminium hydroxide, monoalkoxy type titanate coupling agent 4 parts, SULPHUR POWDER 0.6 part, Vulcanization accelerator TMTD 1.1 parts, altax 2.1 parts, antioxidant SP 0.9 part, anti-aging agent RD 2.5 parts, stearic acid 1.2 parts, phenyl alkylsulfonate 8 parts, epoxy resin 2.5 parts;
In preparation process, preheating Banbury mixer is to 77 DEG C, the stirring velocity banburying 27min that natural rubber, terpolymer EP rubber, cis-1,4-polybutadiene rubber are sent into 230rpm in above-mentioned Banbury mixer is obtained rubber major ingredient, triangle bag is played 7 times in internal mixing pass, continue to drop into modification boehmite, hollow glass micropearl, furnace treated black, aluminium hydroxide and monoalkoxy type titanate coupling agent, obtain mixture C with the stirring velocity banburying 22min of 130rpm; Stearic acid, phenyl alkylsulfonate, epoxy resin are added in the Banbury mixer of contain mixtures material C with the mixing 21min of the stirring velocity of 103rpm, add antioxidant SP, anti-aging agent RD again, with the mixing 12min of the stirring velocity of 84rpm, continue to add SULPHUR POWDER, Vulcanization accelerator TMTD, altax with the stirring velocity banburying 18min of 92rpm, temperature is risen to 152 DEG C again after mixing 11min, cooling discharge, obtains high-strength abrasion-proof modified natural rubber material;
Wherein the preparation method of modification boehmite is: added in 700 parts of deionized waters by 7 parts of boehmites by weight, ultrasonic disperse 36min obtains solution A, and the frequency of supersound process is 17KHz, and the power of supersound process is 1050W; Add 1.5 parts of Silane coupling agent KH550s in solution A after, carry out twice magnetic agitation and obtain solution B, magnetic agitation time first time is 33min, magnetic agitation speed is 90rpm for the first time, magnetic agitation temperature is 23 DEG C for the first time, the second time magnetic agitation time is 15min, and second time magnetic agitation speed is 122rpm, and second time magnetic agitation temperature is 157 DEG C; By solution B ageing 16h, dry, pulverizing obtains modification boehmite.
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 (7)
1. a high-strength abrasion-proof modified natural rubber material, it is characterized in that, its raw material comprises by weight: natural rubber 45-55 part, terpolymer EP rubber 22-26 part, cis-1,4-polybutadiene rubber 11-14 part, modification boehmite 30-35 part, hollow glass micropearl 9-12 part, furnace treated black 10-13 part, aluminium hydroxide 12-16 part, monoalkoxy type titanate coupling agent 3-5 part, SULPHUR POWDER 0.5-0.8 part, Vulcanization accelerator TMTD 0.8-1.3 part, altax 2-2.4 part, antioxidant SP 0.7-0.9 part, anti-aging agent RD 2-3 part, stearic acid 0.5-1.5 part, phenyl alkylsulfonate 7-11 part, epoxy resin 2.3-2.6 part,
In preparation process, preheating Banbury mixer is to 75-78 DEG C, the stirring velocity banburying 25-28min that natural rubber, terpolymer EP rubber, cis-1,4-polybutadiene rubber are sent into 220-250rpm in above-mentioned Banbury mixer is obtained rubber major ingredient, triangle bag is played 6-9 time in internal mixing pass, continue to drop into modification boehmite, hollow glass micropearl, furnace treated black, aluminium hydroxide and monoalkoxy type titanate coupling agent, obtain mixture C with the stirring velocity banburying 20-24min of 120-135rpm; Stearic acid, phenyl alkylsulfonate, epoxy resin are added in the Banbury mixer of contain mixtures material C with the mixing 20-23min of the stirring velocity of 100-105rpm, add antioxidant SP, anti-aging agent RD again, with the mixing 10-15min of the stirring velocity of 82-85rpm, continue to add SULPHUR POWDER, Vulcanization accelerator TMTD, altax with the stirring velocity banburying 16-19min of 90-95rpm, temperature is risen to 150-155 DEG C again after mixing 10-12min, cooling discharge, obtains high-strength abrasion-proof modified natural rubber material;
Wherein the preparation method of modification boehmite is: added in 600-800 part deionized water by 6-9 part boehmite by weight, ultrasonic disperse 35-38min obtains solution A, and the frequency of supersound process is 15-18KHz, and the power of supersound process is 1000-1100W; Add 1.2-1.6 part Silane coupling agent KH550 in solution A after, carry out twice magnetic agitation and obtain solution B, magnetic agitation time first time is 32-35min, magnetic agitation speed is 80-100rpm for the first time, magnetic agitation temperature is 20-25 DEG C for the first time, the second time magnetic agitation time is 12-16min, and second time magnetic agitation speed is 120-125rpm, and second time magnetic agitation temperature is 155-158 DEG C; By solution B ageing 15-18h, dry, pulverizing obtains modification boehmite.
2. high-strength abrasion-proof modified natural rubber material according to claim 1, it is characterized in that, the water content of natural rubber is 2-5%.
3. high-strength abrasion-proof modified natural rubber material according to claim 1 or 2, is characterized in that, the mooney viscosity (ML1+4,100 DEG C) of terpolymer EP rubber is 30-45.
4. high-strength abrasion-proof modified natural rubber material according to any one of claim 1-3, is characterized in that, the weight ratio of natural rubber, terpolymer EP rubber, cis-1,4-polybutadiene rubber is 48-50:23-25:12-13.
5. high-strength abrasion-proof modified natural rubber material according to any one of claim 1-4, it is characterized in that, its raw material comprises by weight: natural rubber 48-50 part, terpolymer EP rubber 23-25 part, cis-1,4-polybutadiene rubber 12-13 part, modification boehmite 33-34 part, hollow glass micropearl 10-11 part, furnace treated black 11-12 part, aluminium hydroxide 13-15 part, monoalkoxy type titanate coupling agent 3.5-4 part, SULPHUR POWDER 0.6-0.7 part, Vulcanization accelerator TMTD 0.9-1.1 part, altax 2.1-2.2 part, antioxidant SP 0.8-0.9 part, anti-aging agent RD 2.5-3 part, stearic acid 0.8-1.2 part, phenyl alkylsulfonate 8-10 part, epoxy resin 2.4-2.5 part.
6. high-strength abrasion-proof modified natural rubber material according to any one of claim 1-5, it is characterized in that, in its preparation process, preheating Banbury mixer is to 76-77 DEG C, by natural rubber, terpolymer EP rubber, the stirring velocity banburying 26-27min that cis-1,4-polybutadiene rubber is sent into 230-240rpm in above-mentioned Banbury mixer obtains rubber major ingredient, triangle bag is played 7-8 time in internal mixing pass, continue to drop into modification boehmite, hollow glass micropearl, furnace treated black, aluminium hydroxide and monoalkoxy type titanate coupling agent, mixture C is obtained with the stirring velocity banburying 22-23min of 125-130rpm, stearic acid, phenyl alkylsulfonate, epoxy resin are added in the Banbury mixer of contain mixtures material C with the mixing 21-22min of the stirring velocity of 102-103rpm, add antioxidant SP, anti-aging agent RD again, with the mixing 12-13min of the stirring velocity of 83-84rpm, continue to add SULPHUR POWDER, Vulcanization accelerator TMTD, altax with the stirring velocity banburying 17-18min of 92-94rpm, temperature is risen to 152-153 DEG C again after mixing 10.5-11min, cooling discharge, obtains high-strength abrasion-proof modified natural rubber material.
7. high-strength abrasion-proof modified natural rubber material according to any one of claim 1-6, it is characterized in that, modification boehmite preparation method in its raw material is: add in 650-700 part deionized water by 7-8 part boehmite by weight, ultrasonic disperse 36-37min obtains solution A, the frequency of supersound process is 16-17KHz, and the power of supersound process is 1050-1080W; Add 1.3-1.5 part Silane coupling agent KH550 in solution A after, carry out twice magnetic agitation and obtain solution B, magnetic agitation time first time is 33-34min, magnetic agitation speed is 85-90rpm for the first time, magnetic agitation temperature is 23-24 DEG C for the first time, the second time magnetic agitation time is 13-15min, and second time magnetic agitation speed is 122-124rpm, and second time magnetic agitation temperature is 156-157 DEG C; By solution B ageing 16-17h, dry, pulverizing obtains modification boehmite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410611552.6A CN104311903B (en) | 2014-11-04 | 2014-11-04 | A kind of high-strength abrasion-proof modified natural rubber material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410611552.6A CN104311903B (en) | 2014-11-04 | 2014-11-04 | A kind of high-strength abrasion-proof modified natural rubber material |
Publications (2)
| Publication Number | Publication Date |
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Cited By (11)
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| CN104816283A (en) * | 2015-03-31 | 2015-08-05 | 国家电网公司 | Disassembling tool for oil cup of transformer breather |
| CN105111515A (en) * | 2015-08-17 | 2015-12-02 | 繁昌县菲德通讯材料设计有限公司 | Novel antioxidant modified natural rubber cable material |
| CN105199158A (en) * | 2015-10-26 | 2015-12-30 | 上海众力投资发展有限公司 | Automobile door-plate wire-harness protective-sleeve rubber composition and processing technology thereof |
| CN105374440A (en) * | 2015-11-24 | 2016-03-02 | 安徽南洋新材料科技股份有限公司 | High-strength and high-toughness heat insulation cable |
| CN105440338A (en) * | 2015-12-16 | 2016-03-30 | 宁国天运橡塑制品有限公司 | Impact resistant and highly resilient rubber material for buffer cushion |
| CN105484342A (en) * | 2015-11-25 | 2016-04-13 | 高萌 | Odor-resistant device for sewer of road for municipal engineering |
| CN105820385A (en) * | 2016-04-26 | 2016-08-03 | 苏宁 | Fiber-to-the-home wall-penetrating rubber casing |
| CN106009091A (en) * | 2016-08-09 | 2016-10-12 | 东莞市晶谷新材料技术有限公司 | High wear resistance natural rubber polymer material and preparation method thereof |
| CN107868288A (en) * | 2017-11-30 | 2018-04-03 | 明光市泰丰新材料有限公司 | A kind of wear-resistant macromolecule material and preparation method thereof |
| CN111138725A (en) * | 2019-12-23 | 2020-05-12 | 贵州科润密封科技有限公司 | High-strength wear-resistant modified natural rubber and preparation method thereof |
| CN111154217A (en) * | 2020-01-16 | 2020-05-15 | 浙江荣威鞋业有限公司 | Sole of casual shoe and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104816283A (en) * | 2015-03-31 | 2015-08-05 | 国家电网公司 | Disassembling tool for oil cup of transformer breather |
| CN105111515A (en) * | 2015-08-17 | 2015-12-02 | 繁昌县菲德通讯材料设计有限公司 | Novel antioxidant modified natural rubber cable material |
| CN105199158A (en) * | 2015-10-26 | 2015-12-30 | 上海众力投资发展有限公司 | Automobile door-plate wire-harness protective-sleeve rubber composition and processing technology thereof |
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| CN105484342A (en) * | 2015-11-25 | 2016-04-13 | 高萌 | Odor-resistant device for sewer of road for municipal engineering |
| CN105440338A (en) * | 2015-12-16 | 2016-03-30 | 宁国天运橡塑制品有限公司 | Impact resistant and highly resilient rubber material for buffer cushion |
| CN105820385A (en) * | 2016-04-26 | 2016-08-03 | 苏宁 | Fiber-to-the-home wall-penetrating rubber casing |
| CN106009091A (en) * | 2016-08-09 | 2016-10-12 | 东莞市晶谷新材料技术有限公司 | High wear resistance natural rubber polymer material and preparation method thereof |
| CN106009091B (en) * | 2016-08-09 | 2017-12-29 | 东莞市晶谷新材料技术有限公司 | A kind of high-wearing feature natural rubber high polymer material and preparation method thereof |
| CN107868288A (en) * | 2017-11-30 | 2018-04-03 | 明光市泰丰新材料有限公司 | A kind of wear-resistant macromolecule material and preparation method thereof |
| CN111138725A (en) * | 2019-12-23 | 2020-05-12 | 贵州科润密封科技有限公司 | High-strength wear-resistant modified natural rubber and preparation method thereof |
| CN111138725B (en) * | 2019-12-23 | 2022-04-12 | 贵州科润密封科技有限公司 | High-strength wear-resistant modified natural rubber and preparation method thereof |
| CN111154217A (en) * | 2020-01-16 | 2020-05-15 | 浙江荣威鞋业有限公司 | Sole of casual shoe and preparation method thereof |
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