CN104311896B - 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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- CN104311896B CN104311896B CN201410539024.4A CN201410539024A CN104311896B CN 104311896 B CN104311896 B CN 104311896B CN 201410539024 A CN201410539024 A CN 201410539024A CN 104311896 B CN104311896 B CN 104311896B
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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, resistance to high intensity height particularly to a kind of steel cable core conveying belt
Mill H type rubber cover.
Background technology
H type rubber cover is suitable in the strong steel cable core conveying belt drawn and split application under condition of work, therefore strong to stretching
Degree requirement is higher, and the anti-wear performance quality of conveyer belt coating rubber is also the key factor of impact service life.With steel wire rope
Conveyer belt use condition increasingly harsh, for ensureing its serviceability and life-span, user is to having high tensile and high abrasion concurrently
The demand of the H type rubber cover of performance is more and more urgent.《The development of general applications steel cable core conveying belt H type rubber cover》One literary composition is public
Open a kind of formula of the H type rubber cover of high tensile, from the point of view of its properties of sample test result, tensile strength and wearability
Although all exceeding the requirement of national standard, its wearability is not still high.On the whole, the tensile property of current H type rubber cover is still
Can, and anti-wear performance is not highly desirable, has had a strong impact on the service life of conveyer belt.
Content of the invention
For problems of the prior art, the present invention is to meet the harsher use of ordinary steel rope core conveyer belt
Condition, extends its service life, provides a kind of H type rubber cover having high tensile and high-wear resistance concurrently and its preparation side
Method.
Specific technical scheme is as follows：
A kind of steel cable core conveying belt high-strength, high-anti-friction H type rubber cover, is prepared according to parts by weight by following components
Form：
Natural rubber 50-60 part, butadiene rubber BR9000 40-50 part, carbon black 50-60 part, vulcanizing activator 4-7 part, virtue
Hydrocarbon ils 4-8 part, carbon five resin 2-4 part, 2 parts of protection wax, age resistor 1-3 part, oil-filled insoluble sulfur 1.3-2.5 part, sulfuration promotees
Enter agent 1-2.5 part, anti-scorching agent CTP 0.1-0.3 part.
On the basis of such scheme, a kind of described steel cable core conveying belt high-strength, high-anti-friction H type rubber cover, by
Following components is prepared from according to parts by weight：
55 parts of natural rubber, 45 parts of butadiene rubber BR9000,50 parts of carbon black, 4 parts of vulcanizing activator, 6 parts of aromatic naphtha, carbon
Five 2 parts of resins, 2 parts of protection wax, 2 parts of age resistor, 2 parts of oil-filled insoluble sulfur, 1.6 parts of vulcanization accelerator, 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 one of carbon black N134, carbon black N220 and carbon black N234 or several
The combination planted.
On the basis of such scheme, described vulcanizing activator is zinc oxide and stearic composition, both weight
Than for：2: 1～3: 1.
On the basis of such scheme, described age resistor is age resistor 6PPD, age resistor TMQ, one of antioxidant BLE
Or it is several.
On the basis of such scheme, described vulcanization accelerator is accelerator CBS, diphenylguanidine CBS, accelerator TBBS, rush
Enter the combination of one or more of agent NOBS, diphenylguanidine PG, captax and altax.
The invention has the beneficial effects as follows：The present invention considers in terms of tensile property, anti-wear performance and processing characteristics etc.,
By optimizing the formula system of H type rubber cover, particularly rationally and used carbon five resin, suitably reduce the consumption of aromatic naphtha, make
Vulcanizate can reach significant improvement, has high tensile and high-wear resistance concurrently, both met strong draw split under the conditions of
Requirement to high tensile, meanwhile, makes the service life of conveyer belt significantly extend again, improves the technology content of product and attached
Value added.
Specific embodiment
Following examples are only used for that the present invention will be further described, are not for limiting the scope of the present invention.
Embodiment 1
A kind of steel cable core conveying belt high-performance H type rubber cover, formula forms (every part of 1000g) by following weight portion：3
Number 50 parts of smoke sheet rubber, 50 parts of 50 parts of butadiene rubber BR9000, carbon black N134,3 parts of zinc oxide, 1.5 parts of stearic acid, aromatic naphtha 6
Part, 2 parts of carbon five resin, 2 parts of age resistor 6PPD, 2 parts of protection wax, 2.2 parts of insoluble sulfur IS-HS7020, accelerator TBBS
0.8 part, 0.5 part of altax, 0.1 part of anti-scorching agent CTP.
Said components prepare elastomeric compound according to two sections of general calendering process.
Embodiment 2
A kind of steel cable core conveying belt high-performance H type rubber cover, formula forms (every part of 1000g) by following weight portion：
55 parts of 45 parts of 55 parts of natural rubber SMR20, butadiene rubber BR9000, carbon black N234,4 parts of zinc oxide, 2 parts of stearic acid, aromatic hydrocarbons
5 parts of oil, 3 parts of carbon five resin, 1 part of age resistor 6PPD, 1.5 parts of antioxidant BLE, 2 parts of protection wax, insoluble sulfur IS-
2.4 parts of HS7020,1.2 parts of accelerant NOBS, 0.1 part of antiscorching agent.
Said components prepare elastomeric compound according to two sections of general calendering process.
Embodiment 3
A kind of steel cable core conveying belt high-performance H type rubber cover, formula forms (every part of 1000g) by following weight portion：
Formula forms：40 parts of 60 parts of natural rubber STR20, butadiene rubber BR9000, carbon black N134 50
Part, 4 parts of zinc oxide, 1.5 parts of stearic acid, 6 parts of aromatic naphtha, 2 parts of carbon five resin, 1.5 parts of age resistor 6PPD, age resistor TMQ1.5
Part, 2 parts of protection wax, 2.5 parts of insoluble sulfur IS-HS7020,0.8 part of accelerator CBS, 0.3 part of altax, antiscorching agent
0.2 part.
Said components prepare elastomeric compound according to two sections of general calendering process.
Natural rubber SMR20 and natural rubber STR20 is No. 20 standard rubbers
H type rubber cover prepared by above-described embodiment 1, embodiment 2, embodiment 3 carries out performance test, test result data
As shown in table 1 below with the Data Comparison of existing product (market top grade product).
Table 1 the performance test results
By contrast it can be seen that the product that is obtained of the present invention is compared with existing product, cure characteristics change is less；?
While keeping high tensile strength, anti-wear performance greatly improves, and is conducive to the prolongation of conveyer belt coating rubber service life.
Above-mentioned detailed description rubber cover and preparation method thereof being carried out with reference to embodiment is illustrative rather than limits
Property, several embodiments can be included according to limited scope, therefore the change under without departing from present general inventive concept and
Modification, should belong within protection scope of the present invention.
Claims (2)
1. a kind of steel cable core conveying belt with high-strength, high-anti-friction H type rubber cover it is characterised in that：By following components according to weight
Number is prepared from：
Natural rubber 50-60 part, butadiene rubber BR9000 40-50 part, carbon black 50-60 part, vulcanizing activator 4-7 part, aromatic naphtha
4-8 part, carbon five resin 2-4 part, 2 parts of protection wax, age resistor 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；
Described natural gum is No. 3 smoke sheet rubbers and/or No. 20 standard rubbers；
Described carbon black is the combination of one or more of carbon black N134, carbon black N220 and carbon black N234；
Described vulcanizing activator is zinc oxide and stearic composition, and both weight ratios are：2: 1～3: 1；
Described age resistor is age resistor 6PPD, age resistor TMQ, one or more of antioxidant BLE；
Described vulcanization accelerator is accelerator CBS, diphenylguanidine CBS, accelerator TBBS, accelerant NOBS, diphenylguanidine PG, promotion
The combination of one or more of agent M and altax.
2. a kind of steel cable core conveying belt according to claim 1 high-strength, high-anti-friction H type rubber cover, its feature exists
In：It is prepared from according to parts by weight by following components：
55 parts of natural rubber, 45 parts of butadiene rubber BR9000,50 parts of carbon black, 4 parts of vulcanizing activator, 6 parts of aromatic naphtha, carbon five tree
2 parts of fat, 2 parts of protection wax, 2 parts of age resistor, 2 parts of oil-filled insoluble sulfur, 1.6 parts of vulcanization accelerator, 0.2 part of anti-scorching agent CTP.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104311896A CN104311896A (en) | 2015-01-28 |
| CN104311896B true CN104311896B (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4286298B2 (en) * | 2006-07-14 | 2009-06-24 | 横浜ゴム株式会社 | Rubber composition for conveyor belt and conveyor belt |
| CN102304240B (en) * | 2011-10-11 | 2013-06-26 | 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 |
| CN103304861B (en) * | 2013-06-28 | 2015-05-20 | 青岛福凯橡塑新材料有限公司 | Covering rubber and usage thereof |
| CN103467801B (en) * | 2013-08-26 | 2015-09-16 | 青岛汇洋矿山带有限公司 | One is haled and is stretched wear-resistant conveyor belt rubber cover and preparation method thereof |
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