CN104311896A - High-strength and high-wear resistance H type covering rubber for steel cord conveyor belt - Google Patents
High-strength and high-wear resistance H type covering rubber for steel cord conveyor belt Download PDFInfo
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- CN104311896A CN104311896A CN201410539024.4A CN201410539024A CN104311896A CN 104311896 A CN104311896 A CN 104311896A CN 201410539024 A CN201410539024 A CN 201410539024A CN 104311896 A CN104311896 A CN 104311896A
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- wear resistance
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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
- C08L7/00—Compositions of natural rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
- B65G15/34—Belts or like endless load-carriers made of rubber or plastics with reinforcing layers, e.g. of fabric
- B65G15/36—Belts or like endless load-carriers made of rubber or plastics with reinforcing layers, e.g. of fabric the layers incorporating ropes, chains, or rolled steel sections
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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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- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Belt Conveyors (AREA)
Abstract
The invention relates to a high-strength and high-wear resistance H type covering rubber for a steel cord conveyor belt. The high-strength and high-wear resistance H type covering rubber is prepared from the following components in parts by weight: 50-60 parts of natural rubber, 40-50 parts of cis-butadiene rubber BR9000, 50-60 parts of carbon black, 4-7 parts of a vulcanizing activator, 4-8 parts of aromatic hydrocarbon oil, 2-4 parts of C5 petroleum resin, 2 parts of protective wax, 1-3 parts of an anti-aging agent, 1.3-2.5 parts of oil-filled insoluble sulfur, 1-2.5 parts of a vulcanizing accelerator and 0.1-0.3 part of an anti-scorching agent CTP. The high-strength and high-wear resistance H type covering rubber provided by the invention has the beneficial effects that by comprehensively considering the aspects of tensile properties, wear resistance, processing properties and the like, optimizing a formula system of the H type covering rubber and particularly reasonably combining with the C5 petroleum resin and appropriately reducing the using amount of the aromatic hydrocarbon oil, the vulcanized rubber can achieve a significant improvement effect, integrates high tensile strength and high wear resistance and meets the requirements for high tensile strength under strong splitting conditions; and simultaneously, the service life of the conveyor belt is greatly prolonged, and the technical content and added value of the product are improved.
Description
Technical field
The present invention relates to conveyer belt coating rubber technical field, particularly a kind of steel cable core conveying belt high-strength, high-anti-friction H type rubber cover.
Background technology
H type rubber cover is the steel cable core conveying belt being suitable for applying under splitting working conditions at strong stroke, therefore require higher to tensile strength, and the wear resisting property of conveyer belt coating rubber quality is also the important factor affecting work-ing life.Along with the harshness day by day of Steel Cord Conveyor Belt working conditions, for ensureing its use properties and life-span, the demand of user to the H type rubber cover having high tensile and high-wear resistance concurrently is more and more urgent." development of general applications steel cable core conveying belt H type rubber cover " literary composition discloses a kind of formula of H type rubber cover of high tensile, from its properties of sample test result, although tensile strength and wear resistance all exceed the requirement of national standard, its wear resistance is still not high.On the whole, the tensile property of current H type rubber cover still can, and wear resisting property is not bery desirable, has had a strong impact on the work-ing life of conveying belt.
Summary of the invention
For problems of the prior art, the present invention is the harsher working conditions meeting ordinary steel rope core conveyer belt, extends its work-ing life, provides a kind of H type rubber cover having high tensile and high-wear resistance concurrently and preparation method thereof.
Concrete technical scheme is as follows:
A kind of steel cable core conveying belt high-strength, high-anti-friction H type rubber cover, is prepared from according to parts by weight by following component:
Natural rubber 50-60 part, cis-1,4-polybutadiene rubber BR9000 40-50 part, carbon black 50-60 part, vulcanization leveller 4-7 part, aromatic hydrocarbon oil 4-8 part, carbon five resin 2-4 part, protection wax 2 parts, anti-aging agent 1-3 part, oil-filled insoluble sulfur 1.3-2.5 part, vulcanization accelerator 1-2.5 part, anti-scorching agent CTP 0.1-0.3 part.
On the basis of such scheme, described a kind of steel cable core conveying belt high-strength, high-anti-friction H type rubber cover, is prepared from according to parts by weight by following component:
Natural rubber 55 parts, cis-1,4-polybutadiene rubber BR9000 45 parts, carbon black 50 parts, vulcanization leveller 4 parts, aromatic hydrocarbon oil 6 parts, carbon five resin 2 parts, protection wax 2 parts, 2 parts, anti-aging agent, oil-filled insoluble sulfur 2 parts, vulcanization accelerator 1.6 parts, anti-scorching agent CTP 0.2 part.
On the basis of such scheme, described natural gum is No. 3 smoke sheet rubbers and/or No. 20 standard rubbers.
On the basis of such scheme, described carbon black is the combination of one or more in carbon black N134, carbon black N220 and carbon black N234.
On the basis of such scheme, described vulcanization leveller is zinc oxide and stearic composition, and both weight ratios are: 2: 1 ~ 3: 1.
On the basis of such scheme, described anti-aging agent is anti-aging agent 6PPD, anti-aging agent TMQ, one or more in antioxidant BLE.
On the basis of such scheme, described vulcanization accelerator is the combination of one or more in accelerator CBS, vulkacit D CBS, accelerator TBBS, accelerant NOBS, vulkacit D PG, captax and altax.
The invention has the beneficial effects as follows: the present invention considers from aspects such as tensile property, wear resisting property and processing characteristicies, by optimizing the formula system of H type rubber cover, particularly rationally and used carbon five resin, the consumption of suitable reduction aromatic hydrocarbon oil, cross-linked rubber is reached and improves effect significantly, have high tensile and high-wear resistance concurrently, both strong requirement of drawing to high tensile under condition of splitting had been met, simultaneously, make again significantly extend the work-ing life of conveying belt, improve technology content and the added value of product.
Embodiment
Following examples, only for the present invention will be further described, are not for limiting the scope of the invention.
Embodiment 1
A kind of steel cable core conveying belt high-performance H type rubber cover, formula is by following weight part composition (every part of 1000g): No. 3 smoke sheet rubbers 50 parts, cis-1,4-polybutadiene rubber BR9000 50 parts, carbon black N134 50 parts, 3 parts, zinc oxide, stearic acid 1.5 parts, aromatic hydrocarbon oil 6 parts, carbon five resin 2 parts, anti-aging agent 6PPD 2 parts, protection wax 2 parts, insoluble sulfur IS-HS7020 2.2 parts, accelerator TBBS 0.8 part, altax 0.5 part, anti-scorching agent CTP 0.1 part.
Said components prepares rubber unvulcanizate according to general two sections of calendering process.
Embodiment 2
A kind of steel cable core conveying belt high-performance H type rubber cover, formula is by following weight part composition (every part of 1000g): natural rubber SMR20 55 parts, cis-1,4-polybutadiene rubber BR9000 45 parts, carbon black N234 55 parts, 4 parts, zinc oxide, stearic acid 2 parts, aromatic hydrocarbon oil 5 parts, carbon five resin 3 parts, anti-aging agent 6PPD 1 part, antioxidant BLE 1.5 parts, protection wax 2 parts, insoluble sulfur IS-HS7020 2.4 parts, accelerant NOBS 1.2 parts, scorch retarder 0.1 part.
Said components prepares rubber unvulcanizate according to general two sections of calendering process.
Embodiment 3
A kind of steel cable core conveying belt high-performance H type rubber cover, formula is by following weight part composition (every part of 1000g):
Formula forms: natural rubber STR20 60 parts, cis-1,4-polybutadiene rubber BR9000 40 parts, carbon black N134 50 parts, 4 parts, zinc oxide, stearic acid 1.5 parts, aromatic hydrocarbon oil 6 parts, carbon five resin 2 parts, anti-aging agent 6PPD 1.5 parts, anti-aging agent TMQ1.5 part, protection wax 2 parts, insoluble sulfur IS-HS7020 2.5 parts, accelerator CBS 0.8 part, altax 0.3 part, scorch retarder 0.2 part.
Said components prepares rubber unvulcanizate according to general two sections of calendering process.
Natural rubber SMR20 and natural rubber STR20 is No. 20 standard rubbers
H type rubber cover above-described embodiment 1, embodiment 2, embodiment 3 prepared carries out performance test, and the Data Comparison of test result data and currently available products (market top grade product) is as shown in table 1 below.
Table 1 the performance test results
By contrast, can see, the product that the present invention obtains is compared with currently available products, and cure characteristics change is less; While maintenance is compared with high tensile, wear resisting property improves greatly, is conducive to the prolongation in conveyer belt coating rubber work-ing life.
Above-mentioned detailed description of rubber cover and preparation method thereof being carried out with reference to embodiment; illustrative instead of determinate; several embodiments can be listed according to institute's limited range, therefore in the change do not departed under general plotting of the present invention and amendment, should belong within protection scope of the present invention.
Claims (7)
1. a steel cable core conveying belt high-strength, high-anti-friction H type rubber cover, is characterized in that: be prepared from according to parts by weight by following component:
Natural rubber 50-60 part, cis-1,4-polybutadiene rubber BR900040-50 part, carbon black 50-60 part, vulcanization leveller 4-7 part, aromatic hydrocarbon oil 4-8 part, carbon five resin 2-4 part, protection wax 2 parts, anti-aging agent 1-3 part, oil-filled insoluble sulfur 1.3-2.5 part, vulcanization accelerator 1-2.5 part, anti-scorching agent CTP 0.1-0.3 part.
2. a kind of steel cable core conveying belt high-strength, high-anti-friction H type rubber cover according to claim 1, is characterized in that: be prepared from according to parts by weight by following component:
Natural rubber 55 parts, cis-1,4-polybutadiene rubber BR900045 part, carbon black 50 parts, vulcanization leveller 4 parts, aromatic hydrocarbon oil 6 parts, carbon five resin 2 parts, protection wax 2 parts, 2 parts, anti-aging agent, oil-filled insoluble sulfur 2 parts, vulcanization accelerator 1.6 parts, anti-scorching agent CTP 0.2 part.
3. a kind of steel cable core conveying belt high-strength, high-anti-friction H type rubber cover according to claim 1 and 2, is characterized in that: described natural gum is No. 3 smoke sheet rubbers and/or No. 20 standard rubbers.
4. a kind of steel cable core conveying belt high-strength, high-anti-friction H type rubber cover according to claim 1,2 or 3, is characterized in that: described carbon black is the combination of one or more in carbon black N134, carbon black N220 and carbon black N234.
5. a kind of steel cable core conveying belt high-strength, high-anti-friction H type rubber cover according to claim 1,2,3 or 4, is characterized in that: described vulcanization leveller is zinc oxide and stearic composition, and both weight ratios are: 2: 1 ~ 3: 1.
6. a kind of steel cable core conveying belt high-strength, high-anti-friction H type rubber cover according to claim 1,2,3,4 or 5, is characterized in that: described anti-aging agent is anti-aging agent 6PPD, anti-aging agent TMQ, one or more in antioxidant BLE.
7. a kind of steel cable core conveying belt high-strength, high-anti-friction H type rubber cover according to any one of claim 1-6, is characterized in that: described vulcanization accelerator is the combination of one or more in accelerator CBS, vulkacit D CBS, accelerator TBBS, accelerant NOBS, vulkacit D PG, captax and altax.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410539024.4A CN104311896B (en) | 2014-09-29 | 2014-09-29 | High-strength and high-wear resistance H type covering rubber for steel cord conveyor belt |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410539024.4A CN104311896B (en) | 2014-09-29 | 2014-09-29 | High-strength and high-wear resistance H type covering rubber for steel cord conveyor belt |
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| CN104311896A true CN104311896A (en) | 2015-01-28 |
| CN104311896B CN104311896B (en) | 2017-02-08 |
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| CN201410539024.4A Active CN104311896B (en) | 2014-09-29 | 2014-09-29 | High-strength and high-wear resistance H type covering rubber for steel cord conveyor belt |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101490159A (en) * | 2006-07-14 | 2009-07-22 | 横滨橡胶株式会社 | Rubber composition for conveyor belt and conveyor belt |
| CN102304240A (en) * | 2011-10-11 | 2012-01-04 | 无锡宝通带业股份有限公司 | Heat-resistant and wear-resistant conveyor belt covering rubber and preparation method thereof |
| CN102516617A (en) * | 2011-12-08 | 2012-06-27 | 无锡宝通带业股份有限公司 | High-strength laminated fire-retarding conveyer belt coating rubber, and preparation method thereof |
| CN103304861A (en) * | 2013-06-28 | 2013-09-18 | 青岛福凯橡塑新材料有限公司 | Covering rubber and usage thereof |
| CN103467801A (en) * | 2013-08-26 | 2013-12-25 | 青岛汇洋矿山带有限公司 | Conveyer belt cover rubber with strong tensile strength and wear resistance and preparation method thereof |
-
2014
- 2014-09-29 CN CN201410539024.4A patent/CN104311896B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101490159A (en) * | 2006-07-14 | 2009-07-22 | 横滨橡胶株式会社 | Rubber composition for conveyor belt and conveyor belt |
| CN102304240A (en) * | 2011-10-11 | 2012-01-04 | 无锡宝通带业股份有限公司 | Heat-resistant and wear-resistant conveyor belt covering rubber and preparation method thereof |
| CN102516617A (en) * | 2011-12-08 | 2012-06-27 | 无锡宝通带业股份有限公司 | High-strength laminated fire-retarding conveyer belt coating rubber, and preparation method thereof |
| CN103304861A (en) * | 2013-06-28 | 2013-09-18 | 青岛福凯橡塑新材料有限公司 | Covering rubber and usage thereof |
| CN103467801A (en) * | 2013-08-26 | 2013-12-25 | 青岛汇洋矿山带有限公司 | Conveyer belt cover rubber with strong tensile strength and wear resistance and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 汪光亮等: "《普通用途钢丝绳芯输送带H型覆盖胶的研制》", 《橡胶工业》 * |
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