CN104497370A - Radial-tire belt compound applied to cross-country fork truck with load of 5.8 t and preparation method thereof - Google Patents
Radial-tire belt compound applied to cross-country fork truck with load of 5.8 t and preparation method thereof Download PDFInfo
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- CN104497370A CN104497370A CN201410690387.8A CN201410690387A CN104497370A CN 104497370 A CN104497370 A CN 104497370A CN 201410690387 A CN201410690387 A CN 201410690387A CN 104497370 A CN104497370 A CN 104497370A
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
- B29B7/005—Methods for mixing in batches
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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
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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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Tires In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the technical field of tyre rubber, and concretely relates to a radial-tire belt compound applied to a cross-country fork truck with load of 5.8 t and a preparation method thereof. The radial-tire belt compound applied to a cross-country fork truck with load of 5.8 t is composed of the following raw materials in parts by weight: 100 parts of IR, 40-44 parts of carbon black N326, 25-27 parts of ISAF, 9-11 parts of zinc oxide, 0.4-0.6 parts of stearic acid, 1.5-2.5 parts of petroleum resin, 0.4-0.7 part of anti-ageing agent RD, 0.2-0.4 part of cobaltous naphthenate, 0.3-0.5 parts of anti-scorching agent CTP, 2.4-3.1 parts of third vacuum side distillate oil, 4.3-5.2 parts of tert-butyl-phenolic curing resin, 2.1-2.4 parts of sulfur, and 0.8-1 parts of promoter NOBS. The radial-tire belt compound is matched with the performances of the cross-country fork truck with load of 5.8 t, and is adaptive to the work environment of cross-country fork trucks. The processing safety of the belt compound is improved, the bonding performance of the belt compound material with a steel cord is improved, and the yield and the quality of a tyre are improved.
Description
Technical field
The invention belongs to the technical field of rubber for tire, be specifically related to a kind of radial tire undertread glue for load-carrying 5.8 tons of All-terrain Forklift and preparation method thereof.
Background technology
All-terrain Forklift be on airport, the poor goods and materials distribution centre of harbour, the road conditions condition such as station carries out loading and unloading the equipment of goods and materials, has good maneuvering ability, reliable cross-country ability.The speed of All-terrain Forklift is higher than common fork truck, and its maneuvering ability is apparent; Engine power is large, and cross-country ability is high, is applicable to the industrial and mining enterprises that hill, road surface, plateau, snowfield operation, construction site, mine, pasture, orchard, road surface are coarse.
Belt in All-terrain Forklift radial glue used is needed to have following basic requirement: higher tear strength; Good resistance to fatigue; With cord, there is good tackiness.And sizing material poor safety performance in the course of processing of current belt compound, the bond properties of sizing material and steel wire cord is not good.In mixing process, easily occur incipient scorch phenomenon, affect the quality of product, increase sizing material consumption, cord planarization is poor.In the formula of existing belt compound, use aromatic hydrocarbon oil to improve the processing characteristics of sizing material, but in actual production process, aromatic hydrocarbon oil can affect the physicals of cross-linked rubber greatly simultaneously, reduce the bond properties of sizing material and steel wire cord.
Summary of the invention
The object of the invention is to provide a kind of radial tire undertread glue for load-carrying 5.8 tons of All-terrain Forklift for the feature of miniature cross-country fork truck and existing belt compound defect, the performance of this radial tire undertread glue and All-terrain Forklift matches, and is adapted to the Working environment of All-terrain Forklift; Improve the processing safety of belt compound, improve the bond properties of sizing material and steel wire cord, improve the seed output and quality of tire.
Technical scheme of the present invention is: a kind of radial tire undertread glue for load-carrying 5.8 tons of All-terrain Forklift, is made up of following raw materials in parts by weight proportioning:
IR 100 parts;
Carbon black N326 40 ~ 44 parts;
Carbon black N660 25 ~ 27 parts;
9 ~ 11 parts, zinc oxide;
Stearic acid 0.4 ~ 0.6 part;
Petroleum resin 1.5 ~ 2.5 parts;
Anti-aging agent RD 0.4 ~ 0.7 part;
Cobalt naphthenate 0.2 ~ 0.4 part;
Anti-scorching agent CTP 0.3 ~ 0.5 part;
Third fractional oil 2.4 ~ 3.1 parts;
Tert-Butyl Phenolic Curing Resin 4.3 ~ 5.2 parts;
Sulfur 2.1 ~ 2.4 parts;
Accelerant NOBS 0.8 ~ 1 part.
The described radial tire undertread glue for load-carrying 5.8 tons of All-terrain Forklift, is made up of following raw materials in parts by weight proportioning:
IR 100 parts;
Carbon black N326 40 parts;
Carbon black N660 27 parts;
9 parts, zinc oxide;
Stearic acid 0.6 part;
Petroleum resin 1.5 parts;
Anti-aging agent RD 0.7 part;
Cobalt naphthenate 0.2 part;
Anti-scorching agent CTP 0.5 part;
Third fractional oil 2.4 parts;
Tert-Butyl Phenolic Curing Resin 5.2 parts;
Sulfur 2.1 parts;
Accelerant NOBS 1 part.
The described radial tire undertread glue for load-carrying 5.8 tons of All-terrain Forklift, is made up of following raw materials in parts by weight proportioning:
IR 100 parts;
Carbon black N326 44 parts;
Carbon black N660 25 parts;
11 parts, zinc oxide;
Stearic acid 0.4 part;
Petroleum resin 2.5 parts;
Anti-aging agent RD 0.4 part;
Cobalt naphthenate 0.4 part;
Anti-scorching agent CTP 0.3 part;
Third fractional oil 3.1 parts;
Tert-Butyl Phenolic Curing Resin 4.3 parts;
Sulfur 2.4 parts;
Accelerant NOBS 0.8 part.
The described radial tire undertread glue for load-carrying 5.8 tons of All-terrain Forklift, is made up of following raw materials in parts by weight proportioning:
IR 100 parts;
Carbon black N326 43 parts;
Carbon black N660 26 parts;
10 parts, zinc oxide;
Stearic acid 0.5 part;
Petroleum resin 2.3 parts;
Anti-aging agent RD 0.6 part;
Cobalt naphthenate 0.3 part;
Anti-scorching agent CTP 0.4 part;
Third fractional oil 2.9 parts;
Tert-Butyl Phenolic Curing Resin 5.0 parts;
Sulfur 2.2 parts;
Accelerant NOBS 0.9 part.
A described preparation method for the radial tire undertread glue of load-carrying 5.8 tons of All-terrain Forklift, comprise following four sections of mixing step, wherein carbon black segmentation adds:
(1) one section is mixing: by 100 parts of IR, 0.4 ~ 0.6 part of stearic acid, 2.4 ~ 3.1 parts of third fractional oils, 4.3 ~ 5.2 parts of tert-Butyl Phenolic Curing Resins, 1.5 ~ 2.5 parts of petroleum resin and 40 ~ 44 parts of carbon black N326 and 25 ~ 27 part of carbon black N660 summations 2/3 add in Banbury mixer, press pressure stick together carry out mixing, after 130 seconds, mention pressure stick together, at 155 DEG C, binder removal obtains one section of rubber unvulcanizate;
(2) two-stage mixing: gained one section of rubber unvulcanizate, 9 ~ 11 parts of zinc oxide, 0.4 ~ 0.7 part of anti-aging agent RD and another 1/3 carbon black N326 and carbon black N660 are added in Banbury mixer, press pressure stick together carry out mixing, after 120 seconds, mention pressure stick together, at 145 DEG C, binder removal obtains two-stage mixing glue;
(3) three-stage mixing: gained two-stage mixing glue and 0.2 ~ 0.4 part of cobalt naphthenate are added in Banbury mixer, press pressure and stick together and carry out mixing, after 115 seconds, mention pressure stick together, at 95 DEG C, binder removal obtains three-stage mixing glue;
(4) four sections mixing: add in Banbury mixer by gained three-stage mixing glue, 2.1 ~ 2.4 parts of Sulfurs, 0.8 ~ 1 part of accelerant NOBS and 0.3 ~ 0.5 part of anti-scorching agent CTP, press pressure stick together carry out mixing, after 50 seconds, mention pressure stick together, and then press pressure and stick together, after 100 seconds, mention pressure stick together, at 90 DEG C, binder removal obtains belt compound.
The rotor speed of described step (1) one section of mixing middle Banbury mixer is 55 revs/min.
In described step (2) two-stage mixing, the rotor speed of Banbury mixer is 55 revs/min.
In described step (3) three-stage mixing, the rotor speed of Banbury mixer is 40 revs/min.
The rotor speed of described step (4) four sections of mixing middle Banbury mixeies is 20 revs/min.
Beneficial effect of the present invention is: the radial tire undertread glue vulcanization rate for load-carrying 5.8 tons of All-terrain Forklift of the present invention is comparatively slow, and Mooney scorch time extends 10 ~ 14 minutes, and processing safety is good; The tear strength of cross-linked rubber is 128 ~ 134kN/m; It is 622 ~ 645N that H extracts power out, and tensile strength is 27.9 ~ 29.6MPa.Tensile property as can be seen here under high temperature is good; Higher tear strength; Good resistance to fatigue; With cord, there is good tackiness, match with the performance of All-terrain Forklift, meet the condition of All-terrain Forklift poor working environment.Adopt the finished tire of this radial tire undertread glue under air pressure 280kPa, to carry out endurance test for 5.8 tons of All-terrain Forklift and draw following result: Negotiation speed is 145km/h, and accumulation running time is 110 hours, accumulation actual service life 17085km.Carry out high-speed performance test when air pressure 330kPa, load 480kg and draw following result: Negotiation speed is 170km/h, accumulative running time 5 hours, during off-test, tire does not destroy.Adopt this radial tire undertread glue production cost significantly to reduce, calculate according to annual output 3500000 145R 12LT tires, production cost more than 2,000,000 can be reduced every year.
Preparation method adopts four sections of calendering process simultaneously, and carbon black segmentation adds the dispersiveness that greatly can improve carbon black, and dispersion grade does not improve 2 ~ 3 grades; The mooney viscosity of sizing material reduces 14% ~ 18%.
In sum, the performance of this radial tire undertread glue and All-terrain Forklift matches, and is adapted to the Working environment of All-terrain Forklift; Improve the processing safety of belt compound, improve the bond properties of sizing material and steel wire cord, improve the seed output and quality of tire.
Embodiment
Below by embodiment, the present invention will be described in detail.
Embodiment 1
The described radial tire undertread glue for load-carrying 5.8 tons of All-terrain Forklift, is made up of following raw materials in parts by weight proportioning:
IR 100 parts;
Carbon black N326 40 parts;
Carbon black N660 27 parts;
9 parts, zinc oxide;
Stearic acid 0.6 part;
Petroleum resin 1.5 parts;
Anti-aging agent RD 0.7 part;
Cobalt naphthenate 0.2 part;
Anti-scorching agent CTP 0.5 part;
Third fractional oil 2.4 parts;
Tert-Butyl Phenolic Curing Resin 5.2 parts;
Sulfur 2.1 parts;
Accelerant NOBS 1 part.
The preparation method of the described radial tire undertread glue for load-carrying 5.8 tons of All-terrain Forklift, comprise following four sections of mixing step, wherein carbon black segmentation adds:
(1) one section is mixing: by 100 parts of IR, 0.6 part of stearic acid, 2.4 parts of third fractional oils, 5.2 parts of tert-Butyl Phenolic Curing Resins, 1.5 parts of petroleum resin and 40 parts of carbon black N326 and 27 part of carbon black N660 summations 2/3 add in Banbury mixer, press pressure stick together carry out mixing, after 130 seconds, mention pressure stick together, at 155 DEG C, binder removal obtains one section of rubber unvulcanizate;
(2) two-stage mixing: gained one section of rubber unvulcanizate, 9 parts of zinc oxide, 0.7 part of anti-aging agent RD and another 1/3 carbon black N326 and carbon black N660 are added in Banbury mixer, press pressure stick together carry out mixing, after 120 seconds, mention pressure stick together, at 145 DEG C, binder removal obtains two-stage mixing glue;
(3) three-stage mixing: gained two-stage mixing glue and 0.2 part of cobalt naphthenate are added in Banbury mixer, press pressure and stick together and carry out mixing, after 115 seconds, mention pressure stick together, at 95 DEG C, binder removal obtains three-stage mixing glue;
(4) four sections mixing: add in Banbury mixer by gained three-stage mixing glue, 2.1 parts of Sulfurs, 1 part of accelerant NOBS and 0.5 part of anti-scorching agent CTP, press pressure stick together carry out mixing, after 50 seconds, mention pressure stick together, and then press pressure and stick together, after 100 seconds, mention pressure stick together, at 90 DEG C, binder removal obtains belt compound.
The rotor speed of described step (1) one section of mixing middle Banbury mixer is 55 revs/min.
In described step (2) two-stage mixing, the rotor speed of Banbury mixer is 55 revs/min.
In described step (3) three-stage mixing, the rotor speed of Banbury mixer is 40 revs/min.
The rotor speed of described step (4) four sections of mixing middle Banbury mixeies is 20 revs/min.
Embodiment 2
The described radial tire undertread glue for load-carrying 5.8 tons of All-terrain Forklift, is made up of following raw materials in parts by weight proportioning:
IR 100 parts;
Carbon black N326 44 parts;
Carbon black N660 25 parts;
11 parts, zinc oxide;
Stearic acid 0.4 part;
Petroleum resin 2.5 parts;
Anti-aging agent RD 0.4 part;
Cobalt naphthenate 0.4 part;
Anti-scorching agent CTP 0.3 part;
Third fractional oil 3.1 parts;
Tert-Butyl Phenolic Curing Resin 4.3 parts;
Sulfur 2.4 parts;
Accelerant NOBS 0.8 part.
The preparation method of the described radial tire undertread glue for load-carrying 5.8 tons of All-terrain Forklift, comprise following four sections of mixing step, wherein carbon black segmentation adds:
(1) one section is mixing: by 100 parts of IR, 0.4 part of stearic acid, 3.1 parts of third fractional oils, 4.3 parts of tert-Butyl Phenolic Curing Resins, 2.5 parts of petroleum resin and 44 parts of carbon black N326 and 25 part of carbon black N660 summations 2/3 add in Banbury mixer, press pressure stick together carry out mixing, after 130 seconds, mention pressure stick together, at 155 DEG C, binder removal obtains one section of rubber unvulcanizate;
(2) two-stage mixing: gained one section of rubber unvulcanizate, 11 parts of zinc oxide, 0.4 part of anti-aging agent RD and another 1/3 carbon black N326 and carbon black N660 are added in Banbury mixer, press pressure stick together carry out mixing, after 120 seconds, mention pressure stick together, at 145 DEG C, binder removal obtains two-stage mixing glue;
(3) three-stage mixing: gained two-stage mixing glue and 0.4 part of cobalt naphthenate are added in Banbury mixer, press pressure and stick together and carry out mixing, after 115 seconds, mention pressure stick together, at 95 DEG C, binder removal obtains three-stage mixing glue;
(4) four sections mixing: add in Banbury mixer by gained three-stage mixing glue, 2.4 parts of Sulfurs, 0.8 part of accelerant NOBS and 0.3 part of anti-scorching agent CTP, press pressure stick together carry out mixing, after 50 seconds, mention pressure stick together, and then press pressure and stick together, after 100 seconds, mention pressure stick together, at 90 DEG C, binder removal obtains belt compound.
The rotor speed of described step (1) one section of mixing middle Banbury mixer is 55 revs/min.
In described step (2) two-stage mixing, the rotor speed of Banbury mixer is 55 revs/min.
In described step (3) three-stage mixing, the rotor speed of Banbury mixer is 40 revs/min.
The rotor speed of described step (4) four sections of mixing middle Banbury mixeies is 20 revs/min.
Embodiment 3
The described radial tire undertread glue for load-carrying 5.8 tons of All-terrain Forklift, is made up of following raw materials in parts by weight proportioning:
IR 100 parts;
Carbon black N326 43 parts;
Carbon black N660 26 parts;
10 parts, zinc oxide;
Stearic acid 0.5 part;
Petroleum resin 2.3 parts;
Anti-aging agent RD 0.6 part;
Cobalt naphthenate 0.3 part;
Anti-scorching agent CTP 0.4 part;
Third fractional oil 2.9 parts;
Tert-Butyl Phenolic Curing Resin 5.0 parts;
Sulfur 2.2 parts;
Accelerant NOBS 0.9 part.
The preparation method of the described radial tire undertread glue for load-carrying 5.8 tons of All-terrain Forklift, comprise following four sections of mixing step, wherein carbon black segmentation adds:
(1) one section is mixing: by 100 parts of IR, 0.5 part of stearic acid, 2.9 parts of third fractional oils, 5.0 parts of tert-Butyl Phenolic Curing Resins, 2.3 parts of petroleum resin and 43 parts of carbon black N326 and 26 part of carbon black N660 summations 2/3 add in Banbury mixer, press pressure stick together carry out mixing, after 130 seconds, mention pressure stick together, at 155 DEG C, binder removal obtains one section of rubber unvulcanizate;
(2) two-stage mixing: gained one section of rubber unvulcanizate, 10 parts of zinc oxide, 0.6 part of anti-aging agent RD and another 1/3 carbon black N326 and carbon black N660 are added in Banbury mixer, press pressure stick together carry out mixing, after 120 seconds, mention pressure stick together, at 145 DEG C, binder removal obtains two-stage mixing glue;
(3) three-stage mixing: gained two-stage mixing glue and 0.3 part of cobalt naphthenate are added in Banbury mixer, press pressure and stick together and carry out mixing, after 115 seconds, mention pressure stick together, at 95 DEG C, binder removal obtains three-stage mixing glue;
(4) four sections mixing: add in Banbury mixer by gained three-stage mixing glue, 2.2 parts of Sulfurs, 0.9 part of accelerant NOBS and 0.4 part of anti-scorching agent CTP, press pressure stick together carry out mixing, after 50 seconds, mention pressure stick together, and then press pressure and stick together, after 100 seconds, mention pressure stick together, at 90 DEG C, binder removal obtains belt compound.
The rotor speed of described step (1) one section of mixing middle Banbury mixer is 55 revs/min.
In described step (2) two-stage mixing, the rotor speed of Banbury mixer is 55 revs/min.
In described step (3) three-stage mixing, the rotor speed of Banbury mixer is 40 revs/min.
The rotor speed of described step (4) four sections of mixing middle Banbury mixeies is 20 revs/min.
Claims (9)
1. for a radial tire undertread glue for load-carrying 5.8 tons of All-terrain Forklift, it is characterized in that, be made up of following raw materials in parts by weight proportioning:
IR 100 parts;
Carbon black N326 40 ~ 44 parts;
Carbon black N660 25 ~ 27 parts;
9 ~ 11 parts, zinc oxide;
Stearic acid 0.4 ~ 0.6 part;
Petroleum resin 1.5 ~ 2.5 parts;
Anti-aging agent RD 0.4 ~ 0.7 part;
Cobalt naphthenate 0.2 ~ 0.4 part;
Anti-scorching agent CTP 0.3 ~ 0.5 part;
Third fractional oil 2.4 ~ 3.1 parts;
Tert-Butyl Phenolic Curing Resin 4.3 ~ 5.2 parts;
Sulfur 2.1 ~ 2.4 parts;
Accelerant NOBS 0.8 ~ 1 part.
2., according to claim 1 for the radial tire undertread glue of load-carrying 5.8 tons of All-terrain Forklift, it is characterized in that, be made up of following raw materials in parts by weight proportioning:
IR 100 parts;
Carbon black N326 40 parts;
Carbon black N660 27 parts;
9 parts, zinc oxide;
Stearic acid 0.6 part;
Petroleum resin 1.5 parts;
Anti-aging agent RD 0.7 part;
Cobalt naphthenate 0.2 part;
Anti-scorching agent CTP 0.5 part;
Third fractional oil 2.4 parts;
Tert-Butyl Phenolic Curing Resin 5.2 parts;
Sulfur 2.1 parts;
Accelerant NOBS 1 part.
3., according to claim 1 for the radial tire undertread glue of load-carrying 5.8 tons of All-terrain Forklift, it is characterized in that, be made up of following raw materials in parts by weight proportioning:
IR 100 parts;
Carbon black N326 44 parts;
Carbon black N660 25 parts;
11 parts, zinc oxide;
Stearic acid 0.4 part;
Petroleum resin 2.5 parts;
Anti-aging agent RD 0.4 part;
Cobalt naphthenate 0.4 part;
Anti-scorching agent CTP 0.3 part;
Third fractional oil 3.1 parts;
Tert-Butyl Phenolic Curing Resin 4.3 parts;
Sulfur 2.4 parts;
Accelerant NOBS 0.8 part.
4., according to claim 1 for the radial tire undertread glue of load-carrying 5.8 tons of All-terrain Forklift, it is characterized in that, be made up of following raw materials in parts by weight proportioning:
IR 100 parts;
Carbon black N326 43 parts;
Carbon black N660 26 parts;
10 parts, zinc oxide;
Stearic acid 0.5 part;
Petroleum resin 2.3 parts;
Anti-aging agent RD 0.6 part;
Cobalt naphthenate 0.3 part;
Anti-scorching agent CTP 0.4 part;
Third fractional oil 2.9 parts;
Tert-Butyl Phenolic Curing Resin 5.0 parts;
Sulfur 2.2 parts;
Accelerant NOBS 0.9 part.
5. described in claim 1 for a preparation method for the radial tire undertread glue of load-carrying 5.8 tons of All-terrain Forklift, comprise following four sections of mixing step, wherein carbon black segmentation adds:
(1) one section mixing: by 100 parts
iR, 0.4 ~ 0.6 part of stearic acid, 2.4 ~ 3.1 parts of third fractional oils, 4.3 ~ 5.2 parts of tert-Butyl Phenolic Curing Resins, 1.5 ~ 2.5 parts of petroleum resin and 40 ~ 44 parts of carbon black N326 and 25 ~ 27 part of carbon black N660 summations 2/3 add in Banbury mixer, press pressure stick together carry out mixing, after 130 seconds, mention pressure stick together, at 155 DEG C, binder removal obtains one section of rubber unvulcanizate;
(2) two-stage mixing: gained one section of rubber unvulcanizate, 9 ~ 11 parts of zinc oxide, 0.4 ~ 0.7 part of anti-aging agent RD and another 1/3 carbon black N326 and carbon black N660 are added in Banbury mixer, press pressure stick together carry out mixing, after 120 seconds, mention pressure stick together, at 145 DEG C, binder removal obtains two-stage mixing glue;
(3) three-stage mixing: gained two-stage mixing glue and 0.2 ~ 0.4 part of cobalt boracylate are added in Banbury mixer, press pressure and stick together and carry out mixing, after 115 seconds, mention pressure stick together, at 95 DEG C, binder removal obtains three-stage mixing glue;
(4) four sections mixing: add in Banbury mixer by gained three-stage mixing glue, 2.1 ~ 2.4 parts of Sulfurs, 0.8 ~ 1 part of accelerant NOBS and 0.3 ~ 0.5 part of anti-scorching agent CTP, press pressure stick together carry out mixing, after 50 seconds, mention pressure stick together, and then press pressure and stick together, after 100 seconds, mention pressure stick together, at 90 DEG C, binder removal obtains belt compound.
6. according to claim 5 for the preparation method of the radial tire undertread glue of load-carrying 5.8 tons of All-terrain Forklift, it is characterized in that, the rotor speed of described step (1) one section of mixing middle Banbury mixer is 55 revs/min.
7. according to claim 5 for the preparation method of the radial tire undertread glue of load-carrying 5.8 tons of All-terrain Forklift, it is characterized in that, in described step (2) two-stage mixing, the rotor speed of Banbury mixer is 55 revs/min.
8. according to claim 5 for the preparation method of the radial tire undertread glue of load-carrying 5.8 tons of All-terrain Forklift, it is characterized in that, in described step (3) three-stage mixing, the rotor speed of Banbury mixer is 40 revs/min.
9. according to claim 5 for the preparation method of the radial tire undertread glue of load-carrying 5.8 tons of All-terrain Forklift, it is characterized in that, the rotor speed of described step (4) four sections of mixing middle Banbury mixeies is 20 revs/min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410690387.8A CN104497370A (en) | 2014-11-27 | 2014-11-27 | Radial-tire belt compound applied to cross-country fork truck with load of 5.8 t and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410690387.8A CN104497370A (en) | 2014-11-27 | 2014-11-27 | Radial-tire belt compound applied to cross-country fork truck with load of 5.8 t and preparation method thereof |
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| CN104497370A true CN104497370A (en) | 2015-04-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105440333A (en) * | 2015-12-07 | 2016-03-30 | 赛轮金宇集团股份有限公司 | Cobalt salt-free tire steel wire framework material formula and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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