CN112194828A - High-wear-resistance solid tire tread rubber and preparation method thereof - Google Patents
High-wear-resistance solid tire tread rubber and preparation method thereof Download PDFInfo
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- CN112194828A CN112194828A CN202011074436.7A CN202011074436A CN112194828A CN 112194828 A CN112194828 A CN 112194828A CN 202011074436 A CN202011074436 A CN 202011074436A CN 112194828 A CN112194828 A CN 112194828A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L15/00—Compositions of rubber derivatives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C1/0016—Compositions of the tread
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- C—CHEMISTRY; METALLURGY
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention relates to the technical field of tires, in particular to high-wear-resistance solid tire tread rubber and a preparation method thereof, wherein the high-wear-resistance solid tire tread rubber comprises the following raw materials in parts by weight: 40-60 parts of epoxidized natural rubber, 20-30 parts of butadiene rubber, 8-10 parts of tread rubber powder, 20-30 parts of white carbon black, 1-3 parts of white carbon black dispersing agent, 5-15 parts of coal tar resin, 1-3 parts of zinc oxide, 2-4 parts of stearic acid, 0.5-0.8 part of N-phenyl-2-naphthylamine, 1-3 parts of anti-aging agent, 5-10 parts of silane coupling agent, 8-15 parts of cashew nut shell oil, 1-2 parts of sulfur, 0.2-0.5 part of triethanolamine, 0.1-0.2 part of phthalic anhydride, 1-3 parts of sorbitol, 2-6 parts of butyl methacrylate and 2-5 parts of N-hydroxymethyl acrylamide. The tire tread prepared from the high-wear-resistance solid tire tread rubber improves the wear resistance and puncture resistance of the tire, and has excellent surface strength and tear resistance.
Description
Technical Field
The invention relates to the technical field of tires, in particular to high-wear-resistance solid tire tread rubber and a preparation method thereof.
Background
The automobile tire bears various deformation, load, force and high and low temperature effects during running, so that the automobile tire has high bearing performance, traction performance and buffering performance. At the same time, high abrasion resistance and flexibility resistance, and low rolling resistance and heat build-up are also required. The tread is the only part of an automobile component that is in direct contact with the road surface, and therefore, it is closely related to safety, comfort, energy saving, and the like during running of an automobile. The main functions of the tread are to protect the carcass from mechanical damage, to transmit the traction and braking forces of the vehicle, to cushion the impacts to which the tire is subjected during running, and therefore it is also required that the tread have good wear resistance, puncture resistance, and good elasticity and grip on the ground. The solid rubber tire is a tire for industrial vehicles which runs under high-load and severe service conditions, and is widely used for various industrial vehicles, military vehicles, construction machinery, air trains and the like. The solid rubber tire has obvious temperature rise, has the phenomena of high-temperature burst, chipping and the like, and particularly has the problem of poor cutting resistance of tread rubber of the solid tire on off-road and mining roads,
the overall formula design of the tread rubber of the solid tire determines the wear resistance of the tread rubber, so that how to optimally design the formula of the tread rubber is realized, the wear resistance of the tread of the tire is further improved, and the technical problem which is continuously solved by research personnel is solved.
Disclosure of Invention
In order to solve the problems, the invention provides high-wear-resistance solid tire tread rubber and a preparation method thereof, wherein the high-wear-resistance solid tire tread rubber comprises the following raw materials in parts by weight: 40-60 parts of epoxidized natural rubber, 20-30 parts of butadiene rubber, 8-10 parts of tread rubber powder, 20-30 parts of white carbon black, 1-3 parts of white carbon black dispersing agent, 5-15 parts of coal tar resin, 1-3 parts of zinc oxide, 2-4 parts of stearic acid, 0.5-0.8 part of N-phenyl-2-naphthylamine, 1-3 parts of anti-aging agent, 5-10 parts of silane coupling agent, 8-15 parts of cashew nut shell oil, 1-2 parts of sulfur, 0.2-0.5 part of triethanolamine, 0.1-0.2 part of phthalic anhydride, 1-3 parts of sorbitol, 2-6 parts of butyl methacrylate and 2-5 parts of N-hydroxymethyl acrylamide.
Preferably, the high-wear-resistance solid tire tread rubber comprises the following raw materials in parts by weight: 50 parts of epoxidized natural rubber, 30 parts of butadiene rubber, 8 parts of tread rubber powder, 20 parts of white carbon black, 1 part of white carbon black dispersing agent, 10 parts of coal tar resin, 2 parts of zinc oxide, 4 parts of stearic acid, 0.5 part of N-phenyl-2-naphthylamine, 2 parts of anti-aging agent, 5 parts of silane coupling agent, 10 parts of cashew nut shell oil, 1 part of sulfur, 0.2 part of triethanolamine, 0.1 part of phthalic anhydride, 1 part of sorbitol, 5 parts of butyl methacrylate and 3 parts of N-hydroxymethyl acrylamide.
Preferably, the high-wear-resistance solid tire tread rubber comprises the following raw materials in parts by weight: 55 parts of epoxidized natural rubber, 25 parts of butadiene rubber, 10 parts of tread rubber powder, 25 parts of white carbon black, 1 part of white carbon black dispersing agent, 15 parts of coal tar resin, 3 parts of zinc oxide, 3 parts of stearic acid, 0.8 part of N-phenyl-2-naphthylamine, 3 parts of anti-aging agent, 8 parts of silane coupling agent, 15 parts of cashew nut shell oil, 2 parts of sulfur, 0.5 part of triethanolamine, 0.2 part of phthalic anhydride, 3 parts of sorbitol, 2 parts of butyl methacrylate and 2 parts of N-hydroxymethyl acrylamide.
The preparation method of the high-wear-resistance solid tire tread rubber comprises the following steps:
s1, placing the epoxidized natural rubber, the butadiene rubber and the tread rubber powder into an open mill for plastication for 30min, wherein the plastication temperature is 130-150 ℃, and obtaining plasticated rubber after the plastication is finished;
s2, mixing the plasticated rubber and the white carbon black in the step S1, a white carbon black dispersing agent, coal tar resin, zinc oxide, stearic acid, N-phenyl-2-naphthylamine, an anti-aging agent, a silane coupling agent, cashew nut shell oil, triethanolamine, phthalic anhydride, sorbitol, butyl methacrylate and N-hydroxymethyl acrylamide, and then putting the mixture into a mixing roll for mixing for 30min, wherein the mixing temperature is 140 ℃ and 150 ℃, and the mixing pressure is 1.5-1.7 MPa;
s3, adding sulfur into the mixing roll in the step S2, continuously mixing for 10min, and discharging rubber to obtain the high-wear-resistance solid tire tread rubber.
Compared with the prior art, the high-wear-resistance solid tire tread rubber provided by the invention has the following beneficial effects:
the tire tread prepared from the high-wear-resistance solid tire tread rubber improves the wear resistance and puncture resistance of the tire, has excellent surface strength and tear resistance, improves the running safety of the tire, prolongs the service life of the tire and reduces the rejection rate.
Detailed Description
The high-wear-resistance solid tire tread rubber comprises the following raw materials in parts by weight: 40-60 parts of epoxidized natural rubber, 20-30 parts of butadiene rubber, 8-10 parts of tread rubber powder, 20-30 parts of white carbon black, 1-3 parts of white carbon black dispersing agent, 5-15 parts of coal tar resin, 1-3 parts of zinc oxide, 2-4 parts of stearic acid, 0.5-0.8 part of N-phenyl-2-naphthylamine, 1-3 parts of anti-aging agent, 5-10 parts of silane coupling agent, 8-15 parts of cashew nut shell oil, 1-2 parts of sulfur, 0.2-0.5 part of triethanolamine, 0.1-0.2 part of phthalic anhydride, 1-3 parts of sorbitol, 2-6 parts of butyl methacrylate and 2-5 parts of N-hydroxymethyl acrylamide.
The preparation method of the high-wear-resistance solid tire tread rubber comprises the following steps:
s1, placing the epoxidized natural rubber, the butadiene rubber and the tread rubber powder into an open mill for plastication for 30min, wherein the plastication temperature is 130-150 ℃, and obtaining plasticated rubber after the plastication is finished;
s2, mixing the plasticated rubber and the white carbon black in the step S1, a white carbon black dispersing agent, coal tar resin, zinc oxide, stearic acid, N-phenyl-2-naphthylamine, an anti-aging agent, a silane coupling agent, cashew nut shell oil, triethanolamine, phthalic anhydride, sorbitol, butyl methacrylate and N-hydroxymethyl acrylamide, and then putting the mixture into a mixing roll for mixing for 30min, wherein the mixing temperature is 140 ℃ and 150 ℃, and the mixing pressure is 1.5-1.7 MPa;
s3, adding sulfur into the mixing roll in the step S2, continuously mixing for 10min, and discharging rubber to obtain the high-wear-resistance solid tire tread rubber.
Example 1:
the high-wear-resistance solid tire tread rubber comprises the following raw materials in parts by weight: 50 parts of epoxidized natural rubber, 30 parts of butadiene rubber, 8 parts of tread rubber powder, 20 parts of white carbon black, 1 part of white carbon black dispersing agent, 10 parts of coal tar resin, 2 parts of zinc oxide, 4 parts of stearic acid, 0.5 part of N-phenyl-2-naphthylamine, 2 parts of anti-aging agent, 5 parts of silane coupling agent, 10 parts of cashew nut shell oil, 1 part of sulfur, 0.2 part of triethanolamine, 0.1 part of phthalic anhydride, 1 part of sorbitol, 5 parts of butyl methacrylate and 3 parts of N-hydroxymethyl acrylamide.
The preparation method of the high-wear-resistance solid tire tread rubber comprises the following steps:
s1, placing the epoxidized natural rubber, the butadiene rubber and the tread rubber powder into an open mill for plastication for 30min, wherein the plastication temperature is 130-150 ℃, and obtaining plasticated rubber after the plastication is finished;
s2, mixing the plasticated rubber and the white carbon black in the step S1, a white carbon black dispersing agent, coal tar resin, zinc oxide, stearic acid, N-phenyl-2-naphthylamine, an anti-aging agent, a silane coupling agent, cashew nut shell oil, triethanolamine, phthalic anhydride, sorbitol, butyl methacrylate and N-hydroxymethyl acrylamide, and then putting the mixture into a mixing roll for mixing for 30min, wherein the mixing temperature is 140 ℃ and 150 ℃, and the mixing pressure is 1.5-1.7 MPa;
s3, adding sulfur into the mixing roll in the step S2, continuously mixing for 10min, and discharging rubber to obtain the high-wear-resistance solid tire tread rubber.
The performance parameters of the tread rubber of the embodiment are as follows: shore A hardness of 68 degrees, 300% stress at definite elongation of 16.2MPa, tensile strength of 30MPa, tear strength of 120kN/m, elongation at break of 315%, and Akron abrasion of 0.171cm3/1.61km。
Example 2:
the high-wear-resistance solid tire tread rubber comprises the following raw materials in parts by weight: 55 parts of epoxidized natural rubber, 25 parts of butadiene rubber, 10 parts of tread rubber powder, 25 parts of white carbon black, 1 part of white carbon black dispersing agent, 15 parts of coal tar resin, 3 parts of zinc oxide, 3 parts of stearic acid, 0.8 part of N-phenyl-2-naphthylamine, 3 parts of anti-aging agent, 8 parts of silane coupling agent, 15 parts of cashew nut shell oil, 2 parts of sulfur, 0.5 part of triethanolamine, 0.2 part of phthalic anhydride, 3 parts of sorbitol, 2 parts of butyl methacrylate and 2 parts of N-hydroxymethyl acrylamide.
The preparation method of the high-wear-resistance solid tire tread rubber is the same as that of the embodiment 1.
The performance parameters of the tread rubber of the embodiment are as follows: shore A hardness is 71 degrees, 300% stress at definite elongation is 17.3MPa, tensile strength is 29MPa, tear strength is 119kN/m, elongation at break is 330%, and Akron abrasion is 0.167cm3/1.61km。
Example 3:
the high-wear-resistance solid tire tread rubber comprises the following raw materials in parts by weight: 40-60 parts of epoxidized natural rubber, 20-30 parts of butadiene rubber, 8-10 parts of tread rubber powder, 20-30 parts of white carbon black, 1-3 parts of white carbon black dispersing agent, 5-15 parts of coal tar resin, 1-3 parts of zinc oxide, 2-4 parts of stearic acid, 0.5-0.8 part of N-phenyl-2-naphthylamine, 1-3 parts of anti-aging agent, 5-10 parts of silane coupling agent, 8-15 parts of cashew nut shell oil, 1-2 parts of sulfur, 0.2-0.5 part of triethanolamine, 0.1-0.2 part of phthalic anhydride, 1-3 parts of sorbitol, 2-6 parts of butyl methacrylate and 2-5 parts of N-hydroxymethyl acrylamide.
The preparation method of the high-wear-resistance solid tire tread rubber is the same as that of the embodiment 1.
The performance parameters of the tread rubber of the embodiment are as follows: shore A hardness of 71 degrees, 300% stress at definite elongation of 16.8MPa, tensile strength of 29MPa, tear strength of 123kN/m, elongation at break of 323%, and Akron abrasion of 0.169cm3/1.61km。
Example 4:
the high-wear-resistance solid tire tread rubber comprises the following raw materials in parts by weight: 40-60 parts of epoxidized natural rubber, 20-30 parts of butadiene rubber, 8-10 parts of tread rubber powder, 20-30 parts of white carbon black, 1-3 parts of white carbon black dispersing agent, 5-15 parts of coal tar resin, 1-3 parts of zinc oxide, 2-4 parts of stearic acid, 0.5-0.8 part of N-phenyl-2-naphthylamine, 1-3 parts of anti-aging agent, 5-10 parts of silane coupling agent, 8-15 parts of cashew nut shell oil, 1-2 parts of sulfur, 0.2-0.5 part of triethanolamine, 0.1-0.2 part of phthalic anhydride, 1-3 parts of sorbitol, 2-6 parts of butyl methacrylate and 2-5 parts of N-hydroxymethyl acrylamide.
The preparation method of the high-wear-resistance solid tire tread rubber is the same as that of the embodiment 1.
The performance parameters of the tread rubber of the embodiment are as follows: shao pinThe type A hardness is 71 degrees, the 300% stress at definite elongation is 16.9MPa, the tensile strength is 27MPa, the tear strength is 119kN/m, the elongation at break is 306%, and the Akron abrasion is 0.166cm3/1.61km。
Example 5:
the high-wear-resistance solid tire tread rubber comprises the following raw materials in parts by weight: 40-60 parts of epoxidized natural rubber, 20-30 parts of butadiene rubber, 8-10 parts of tread rubber powder, 20-30 parts of white carbon black, 1-3 parts of white carbon black dispersing agent, 5-15 parts of coal tar resin, 1-3 parts of zinc oxide, 2-4 parts of stearic acid, 0.5-0.8 part of N-phenyl-2-naphthylamine, 1-3 parts of anti-aging agent, 5-10 parts of silane coupling agent, 8-15 parts of cashew nut shell oil, 1-2 parts of sulfur, 0.2-0.5 part of triethanolamine, 0.1-0.2 part of phthalic anhydride, 1-3 parts of sorbitol, 2-6 parts of butyl methacrylate and 2-5 parts of N-hydroxymethyl acrylamide.
The preparation method of the high-wear-resistance solid tire tread rubber is the same as that of the embodiment 1.
The performance parameters of the tread rubber of the embodiment are as follows: shore A hardness of 68 degrees, 300% stress at definite elongation of 16.5MPa, tensile strength of 24MPa, tear strength of 113kN/m, elongation at break of 326%, and Akron abrasion of 0.173cm3/1.61km。
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.
Claims (4)
1. The high-wear-resistance solid tire tread rubber is characterized by comprising the following raw materials in parts by weight: 40-60 parts of epoxidized natural rubber, 20-30 parts of butadiene rubber, 8-10 parts of tread rubber powder, 20-30 parts of white carbon black, 1-3 parts of white carbon black dispersing agent, 5-15 parts of coal tar resin, 1-3 parts of zinc oxide, 2-4 parts of stearic acid, 0.5-0.8 part of N-phenyl-2-naphthylamine, 1-3 parts of anti-aging agent, 5-10 parts of silane coupling agent, 8-15 parts of cashew nut shell oil, 1-2 parts of sulfur, 0.2-0.5 part of triethanolamine, 0.1-0.2 part of phthalic anhydride, 1-3 parts of sorbitol, 2-6 parts of butyl methacrylate and 2-5 parts of N-hydroxymethyl acrylamide.
2. The high-wear-resistance solid tire tread rubber according to claim 1, which is prepared from the following raw materials in parts by weight: 50 parts of epoxidized natural rubber, 30 parts of butadiene rubber, 8 parts of tread rubber powder, 20 parts of white carbon black, 1 part of white carbon black dispersing agent, 10 parts of coal tar resin, 2 parts of zinc oxide, 4 parts of stearic acid, 0.5 part of N-phenyl-2-naphthylamine, 2 parts of anti-aging agent, 5 parts of silane coupling agent, 10 parts of cashew nut shell oil, 1 part of sulfur, 0.2 part of triethanolamine, 0.1 part of phthalic anhydride, 1 part of sorbitol, 5 parts of butyl methacrylate and 3 parts of N-hydroxymethyl acrylamide.
3. The high-wear-resistance solid tire tread rubber according to claim 1, which is prepared from the following raw materials in parts by weight: 55 parts of epoxidized natural rubber, 25 parts of butadiene rubber, 10 parts of tread rubber powder, 25 parts of white carbon black, 1 part of white carbon black dispersing agent, 15 parts of coal tar resin, 3 parts of zinc oxide, 3 parts of stearic acid, 0.8 part of N-phenyl-2-naphthylamine, 3 parts of anti-aging agent, 8 parts of silane coupling agent, 15 parts of cashew nut shell oil, 2 parts of sulfur, 0.5 part of triethanolamine, 0.2 part of phthalic anhydride, 3 parts of sorbitol, 2 parts of butyl methacrylate and 2 parts of N-hydroxymethyl acrylamide.
4. The preparation method of the high-wear-resistance solid tire tread rubber according to any one of claims 1 to 3, comprising the following steps:
s1, placing the epoxidized natural rubber, the butadiene rubber and the tread rubber powder into an open mill for plastication for 30min, wherein the plastication temperature is 130-150 ℃, and obtaining plasticated rubber after the plastication is finished;
s2, mixing the plasticated rubber and the white carbon black in the step S1, a white carbon black dispersing agent, coal tar resin, zinc oxide, stearic acid, N-phenyl-2-naphthylamine, an anti-aging agent, a silane coupling agent, cashew nut shell oil, triethanolamine, phthalic anhydride, sorbitol, butyl methacrylate and N-hydroxymethyl acrylamide, and then putting the mixture into a mixing roll for mixing for 30min, wherein the mixing temperature is 140 ℃ and 150 ℃, and the mixing pressure is 1.5-1.7 MPa;
s3, adding sulfur into the mixing roll in the step S2, continuously mixing for 10min, and discharging rubber to obtain the high-wear-resistance solid tire tread rubber.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115260614A (en) * | 2022-07-15 | 2022-11-01 | 山东玲珑轮胎股份有限公司 | High-tear-resistance and high-wear-resistance all-steel tire tread rubber and preparation method and application thereof |
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