CN104311905A - Wear resistant conveying belt primer with low rolling resistance and preparation method thereof - Google Patents
Wear resistant conveying belt primer with low rolling resistance and preparation method thereof Download PDFInfo
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- CN104311905A CN104311905A CN201410626213.5A CN201410626213A CN104311905A CN 104311905 A CN104311905 A CN 104311905A CN 201410626213 A CN201410626213 A CN 201410626213A CN 104311905 A CN104311905 A CN 104311905A
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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
- 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
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
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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
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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
- C08L2205/02—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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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 a wear resistant conveying belt primer with low rolling resistance and a preparation method of the primer, and belongs to the technical field of conveying belt primers. The primer is prepared by adopting the preparation method which comprises the following steps: adding natural rubber and synthetic rubber into a double-roll open mill to plasticate with synthetic rubber firstly, adding zinc oxide, stearic acid, an anti-deteriorant, basalt fiber, a reinforcing agent and a softening agent sequentially, mixing and placing the mixture to stand to obtain a rubber compound; adding sulphur and an accelerant into a section of rubber compound for mixing; performing sulphation to obtain the wear resistant conveying belt primer with low rolling resistance. The conveying belt primer is prepared by adding the basalt fiber into a sizing material to act together with white carbon black, so that heat generated by the sizing material can be effectively reduced and the hysteresis loss can be reduced, as a result, the conveying belt primer with low friction coefficient is obtained; the added basalt fiber can improve the wear resistance and tear resistance of the sizing material.
Description
Technical field
The present invention relates to a kind of wear-resisting low rolling and hinder conveying belt primer and preparation method thereof, this primer is used for, in large conveying quantity, long distance delivery carries product, can being widely used in the industries such as Metallurgy Industry, coal mining, harbour, belonging to conveying belt primer technical field.
Background technology
Along with modernization science and technology develops rapidly, mechanize, automatic production level improve constantly, and the conveying belt of long distance, large width, large delivery, serialization is required for vast industry.But, along with conveying belt lengthening, widen, the power capacity consumed in its operation work is also in continuous increase.When current energy consumption constantly increases, Energy resources are in short supply all the more, the energy-conservation conveying belt of researchdevelopment has become inexorable trend.
The energy-saving conveying belt of foreign customers common concern, especially large ore factory, as the delivery conduits such as intelligence copper mine reach several kilometers, delivery system energy consumption is remarkable.Conveying belt relies on backspin rolls provide power and run, and conveying belt primer directly contacts with backspin rolls, and its rolling resistance is larger, and the energy that delivery system consumes is larger.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of wear-resisting low rolling to hinder conveying belt primer, this primer has low-friction coefficient, high-wearing feature.
According to technical scheme provided by the invention, a kind of wear-resisting low rolling hinders conveying belt primer, and formula rate is as follows by weight: comprise 40 ~ 80 parts of natural rubbers, 20 ~ 60 parts of synthetic rubber, 1 ~ 10 part of basalt fibre, 1 ~ 3 part of sulphur, 1 ~ 5 part of zinc oxide, 1 ~ 3 part of stearic acid, 1 ~ 2.5 part of promotor, 30 ~ 60 portions of strengthening agents, 1 ~ 10 part of tenderizer, 1 ~ 5 part of anti-aging agent;
Add after natural rubber and synthetic rubber plasticate in two roller mill, add zinc oxide, stearic acid, anti-aging agent, basalt fibre, strengthening agent, tenderizer successively, park after mixing and obtain one section of rubber unvulcanizate; In one section of rubber unvulcanizate, add sulphur, promotor carries out two-stage mixing; Carry out sulfuration again, obtain described wear-resisting low rolling and hinder conveying belt primer.
Described synthetic rubber is styrene-butadiene rubber(SBR) and/or cis-1,4-polybutadiene rubber.
Described promotor is one or more in accelerator NS, accelerant CZ, vulkacit D TDM, Vulcanization accelerator TMTD.
Described strengthening agent is one or more in carbon black N220, carbon black N234, carbon black N115, carbon black N330, white carbon black.
Described anti-aging agent is one or more in Microcrystalline Wax, anti-aging agent RD, antioxidant 4020, antioxidant BLE.
Described tenderizer is one or more in petroleum softening agent, pine tar system softening agent, coal tar system softening agent.
The described wear-resisting low preparation method rolling resistance conveying belt primer, step is as follows by weight:
(1) one section mixing: in two roller mill, add 40 ~ 80 parts of natural rubbers and 20 ~ 60 parts of synthetic rubber, plasticate 30 ~ 50s, and plasticating temperature is 25 ~ 30 DEG C; Then 1 ~ 5 part of zinc oxide, 1 ~ 3 part of stearic acid, 1 ~ 5 part of anti-aging agent, 1 ~ 10 part of basalt fibre, 30 ~ 60 parts of strengthening agents, 1 ~ 10 part of tenderizer are added successively, mixing 15 ~ 20min, melting temperature is 30 ~ 60 DEG C, namely obtains one section of rubber unvulcanizate after parking 8 ~ 16h;
(2) two-stage mixing: add 1 ~ 3 part of sulphur, 1 ~ 2.5 part of promotor, mixing 4 ~ 8min in one section of rubber unvulcanizate that step (1) obtains, melting temperature is 30 ~ 60 DEG C, obtains primer;
(3) sulfuration: the primer that step (2) obtains is carried out sulfuration on vulcanizing press, curing temperature is 140 ~ 160 DEG C, and sulfide stress is 10 ~ 15MPa, and curing time is 20 ~ 40min, obtains described wear-resisting low rolling and hinders conveying belt primer.
Beneficial effect of the present invention:
(1) adopt basalt fibre to add in sizing material, effectively can reduce sizing material heat-dissipating, reduce its hysteresis loss, obtain the conveying belt primer of low-rolling-resistance;
(2) adopt a small amount of basalt fibre and a large amount of carbon black and be used as infill system, while keeping the every physical and mechanical properties of sizing material, improve wear resistance;
(3) add basalt fibre and can absorb crackle energy, what delay primer tears expansion, improves its tear resistance.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
Natural rubber in rubber matrix of the present invention adopts emulsion flocculence to prepare, and natural rubber has self-enhancement, has higher mechanical strength, there is good flexible resistance simultaneously, hysteresis loss is little, and heat-dissipating is low, and over-all properties is more excellent than other rubber.
Synthetic rubber of the present invention is styrene-butadiene rubber(SBR) and/or cis-1,4-polybutadiene rubber, and styrene-butadiene rubber(SBR) has good thermotolerance, ageing resistance, wear resistance, and cis-1,4-polybutadiene rubber has good wear resistance, winter hardiness and elasticity.
Promotor of the present invention is for being N tert butyl benzothiazole 2 sulfenamide (accelerator NS), N cyclohexyl 2 benzothiazole sulfenamide (accelerant CZ), 4; one or more in 4 '-dimorpholinyl disulfide (vulkacit D TDM), tetramethyl-thiuram disulfide (Vulcanization accelerator TMTD); Select and Apply suitable cross-linking system; guarantee that rubber unvulcanizate has good coke burning performance; being beneficial to the later stage carries out Compound Machining; simultaneously; obtain good crosslinking structure, make cross-linked rubber have excellent physical and mechanical properties.
Strengthening agent of the present invention is intermediate super abrasion furnace black N220, carbon black N234, super-high wear-resistant carbon black N115, high abrasion furnace carbon black N330 or white carbon black.
Basalt fibre of the present invention is through the surface modifying material of chemical reagent surface active, easily and the filler such as carbon black, white carbon black generation interaction, decrease the effect between filler, thus reduce the internal friction heat-dissipating of sizing material, effectively can reduce the hysteresis loss of sizing material, reduce heat-dissipating, reduce the rolling resistance of sizing material.The basalt fibre that the embodiment of the present invention uses is purchased from Zhejiang Shijin Basalt Fiber Co., Ltd.
Anti-aging agent of the present invention is Microcrystalline Wax, 2,2,4-trimethylammonium-1,2-dihyaroquinoline polymer (anti-aging agent RD), N-(1,3-dimethylbutyl) one or more in-N'-diphenyl-para-phenylene diamine (antioxidant 4020), acetone and pentanoic pyrocondensation thing (antioxidant BLE), good thermo oxidative aging, ozone-resistant aging resistance can be provided for rubber item.
Described tenderizer is one or more in petroleum softening agent, pine tar system softening agent, coal tar system softening agent, as coumarone indene resin, aromatic hydrocarbon oil, coal tar, rosin, spindle oil, Stockholm tar, transformer wet goods, be not specifically limited, only otherwise to goal of the invention of the present invention produce and limit.
Stearic acid of the present invention is not specifically limited, and only otherwise to goal of the invention of the present invention produces and limits.
Invention also provides the wear-resisting low preparation method rolling resistance conveying belt primer, rubber processing method traditionally, each component beyond vulcanisation system (sulphur, promotor) is mixed in mill or Banbury mixer and obtains one section of rubber unvulcanizate, after parking 8 ~ 16 hours, then add vulcanization system and carry out two-stage mixing; After the two-stage mixing glue of acquisition is parked for some time, forcing machine carries out extrude slice and obtain conveying belt primer film; At normal temperatures, primer, adhesive glue and framework material are carried out composite molding on four-roll calender; Band embryo after shaping is carried out sulfuration on vulcanizing press, sulfurizing temperature range at 140 ~ 160 DEG C, sulfide stress at 10 ~ 15MPa, curing time 20 ~ 40min; Band embryo after sulfuration, after cold formed, just can obtain corresponding product.
Embodiment 1: a kind of wear-resisting low preparation method rolling resistance conveying belt primer, comprises the following steps:
(1) one section mixing: in two roller mill, add 400g natural rubber and 100g styrene-butadiene rubber(SBR), plasticate 40s, and plasticating temperature is 25 DEG C; Then add 5g zinc oxide, 5g stearic acid, 5g Microcrystalline Wax, 5g basalt fibre, 5g Stockholm tar, 50g carbon black N220,100g carbon black N330, mixing 18min successively, melting temperature is 40 DEG C, namely obtains one section of rubber unvulcanizate after parking 12h;
(2) two-stage mixing: add 5g sulphur, 5g accelerator NS, mixing 4min in one section of rubber unvulcanizate that step (1) obtains, melting temperature is 50 DEG C, obtains primer;
(3) primer that step (2) obtains is carried out sulfuration on vulcanizing press, curing temperature is 160 DEG C, and sulfide stress is 10MPa, and curing time is 30min, obtains described wear-resisting low rolling and hinders conveying belt primer; The physical and mechanical properties of this primer is as shown in table 1, and tan δ is as shown in table 2.
Embodiment 2: a kind of wear-resisting low preparation method rolling resistance conveying belt primer, comprises the following steps:
(1) one section mixing: in two roller mill, add 200g natural rubber, 150g cis-1,4-polybutadiene rubber, 150g styrene-butadiene rubber(SBR), plasticate 35s, and plasticating temperature is 25 DEG C; Then 12.5g zinc oxide, 10g stearic acid, 2.5g antioxidant 4020,5g anti-aging agent RD, 5g antioxidant BLE, 30g basalt fibre, 5g coumarone indene resin, 10g aromatic hydrocarbon oil, 5g coal tar, 225g carbon black N115 is added successively, mixing 20min, melting temperature is 45 DEG C, namely obtains one section of rubber unvulcanizate after parking 8h;
(2) two-stage mixing: add 10g sulphur, 5g accelerator NS, 5g accelerant CZ, mixing 5min in one section of rubber unvulcanizate that step (1) obtains, melting temperature is 55 DEG C, obtains primer;
(3) primer that step (2) obtains is carried out sulfuration on vulcanizing press, curing temperature is 155 DEG C, and sulfide stress is 12MPa, and curing time is 35min, obtains described wear-resisting low rolling and hinders conveying belt primer; The physical and mechanical properties of this primer is as shown in table 1, and tan δ is as shown in table 2.
Embodiment 3: a kind of wear-resisting low preparation method rolling resistance conveying belt primer, comprises the following steps:
(1) one section mixing: in two roller mill, add 300g natural rubber, 200g cis-1,4-polybutadiene rubber, plasticate 50s, and plasticating temperature is 30 DEG C; Then 25g zinc oxide, 15g stearic acid, 5g Microcrystalline Wax, 10g anti-aging agent RD, 10g antioxidant 4020,25g basalt fibre, 25g rosin, 10g spindle oil, 15g Stockholm tar, 175g carbon black N234,125g white carbon black is added successively, mixing 15min, melting temperature is 50 DEG C, namely obtains one section of rubber unvulcanizate after parking 16h;
(2) two-stage mixing: add 12.5g sulphur, 5g vulkacit D TDM, 7.5g part accelerator NS in one section of rubber unvulcanizate that step (1) obtains, mixing 3min, melting temperature is 40 DEG C, obtains primer;
(3) primer that step (2) obtains is carried out sulfuration on vulcanizing press, curing temperature is 140 DEG C, and sulfide stress is 15MPa, and curing time is 20min, obtains described wear-resisting low rolling and hinders conveying belt primer; The physical and mechanical properties of this primer is as shown in table 1, and tan δ is as shown in table 2.
Embodiment 4: a kind of wear-resisting low preparation method rolling resistance conveying belt primer, comprises the following steps:
(1) one section mixing: in two roller mill, add 350g natural rubber, 100g cis-1,4-polybutadiene rubber, 50 styrene-butadiene rubber(SBR), plasticate 30s, and plasticating temperature is 30 DEG C; Then add 5g zinc oxide, 5g stearic acid, 5g antioxidant BLE, 5g basalt fibre, 5g Stockholm tar, 100g carbon black N115,60g carbon black N330, mixing 15min successively, melting temperature is 60 DEG C, namely obtains one section of rubber unvulcanizate after parking 12h;
(2) two-stage mixing: add 5g sulphur, 5g accelerant CZ, mixing 3min in one section of rubber unvulcanizate that step (1) obtains, melting temperature is 60 DEG C, obtains primer;
(3) primer that step (2) obtains is carried out sulfuration on vulcanizing press, curing temperature is 140 DEG C, and sulfide stress is 15MPa, and curing time is 40min, obtains described wear-resisting low rolling and hinders conveying belt primer; The physical and mechanical properties of this primer is as shown in table 1, and tan δ is as shown in table 2.
Embodiment 5: a kind of wear-resisting low preparation method rolling resistance conveying belt primer, comprises the following steps:
(1) one section mixing: in two roller mill, add 350g natural rubber and 150g styrene-butadiene rubber(SBR), plasticate 50s, and plasticating temperature is 25 DEG C; Then add 25g zinc oxide, 15g stearic acid, 25g antioxidant 4020,50g basalt fibre, 10g rosin, 150g carbon black N234,100g carbon black N330, mixing 20min successively, melting temperature is 40 DEG C, namely obtains one section of rubber unvulcanizate after parking 16h;
(2) two-stage mixing: add 15g sulphur, 5g vulkacit D TDM, mixing 6min in one section of rubber unvulcanizate that step (1) obtains, melting temperature is 40 DEG C, obtains primer;
(3) primer that step (2) obtains is carried out sulfuration on vulcanizing press, curing temperature is 150 DEG C, and sulfide stress is 10MPa, and curing time is 20min, obtains described wear-resisting low rolling and hinders conveying belt primer; The physical and mechanical properties of this primer is as shown in table 1, and tan δ is as shown in table 2.
Comparative example 1
(1) one section mixing: in two roller mill, add 300g natural rubber, 200g cis-1,4-polybutadiene rubber, plasticate 50s, and plasticating temperature is 30 DEG C; Then 25g zinc oxide, 15g stearic acid, 5g Microcrystalline Wax, 10g anti-aging agent RD, 10g antioxidant 4020,25g rosin, 10g spindle oil, 15g Stockholm tar, 175g carbon black N234,125g white carbon black is added successively, mixing 15min, melting temperature is 50 DEG C, namely obtains one section of rubber unvulcanizate after parking 16h;
(2) two-stage mixing: add 12.5g sulphur, 5g vulkacit D TDM, 7.5g part accelerator NS in one section of rubber unvulcanizate that step (1) obtains, mixing 3min, melting temperature is 40 DEG C, obtains primer;
(3) primer that step (2) obtains is carried out sulfuration on vulcanizing press, curing temperature is 140 DEG C, and sulfide stress is 15MPa, and curing time is 20min, obtains conveying belt primer; The physical and mechanical properties of this primer is as shown in table 1, and tan δ is as shown in table 2.
Measuring method of the present invention is according to following standard:
The physical and mechanical properties testing method of conveying belt primer carrys out the mechanical property of test compound material by ASTMD412 standard; Stretching experiment adopts the wide cut-off knife dumbbell plate of 6.00mm without exception, tears and tests as perpendicular type tears sample; Draw speed is 500mm/min, and probe temperature is 25 DEG C; Other performance tests have all come according to ASTM standard.
Table 1: the Performance comparision of the embodiment of the present invention 1 ~ 3, comparative example 1
| Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 |
| Tensile strength/MPa | 19.2 | 18.5 | 18.8 | 19.0 |
| Elongation at break/% | 521 | 454 | 481 | 502 |
| Angle tear strength/kN/m | 51 | 57 | 62 | 50 |
| Abrasion/mm 3 | 90 | 68 | 63 | 72 |
| tanδ(60℃) | 0.31 | 0.32 | 0.29 | 0.35 |
As shown in table 1, survey embodiment 1 ~ 3 primer physical and mechanical properties be tensile strength>=16.0MPa, tensile yield>=450%, angle tear strength>=30KN/m, cylinder wear(ing)value≤90mm
3.
By the Performance comparision of embodiment 1 ~ 3, comparative example 1, can find out, the primer tan δ value adding basalt fibre all has obvious reduction, and tear strength and wear resistance all increase, and possess the characteristic of wear-resisting low-rolling-resistance.
Claims (7)
1. wear-resisting low rolling hinders a conveying belt primer, it is characterized in that formula rate is as follows by weight: comprise 40 ~ 80 parts of natural rubbers, 20 ~ 60 parts of synthetic rubber, 1 ~ 10 part of basalt fibre, 1 ~ 3 part of sulphur, 1 ~ 5 part of zinc oxide, 1 ~ 3 part of stearic acid, 1 ~ 2.5 part of promotor, 30 ~ 60 portions of strengthening agents, 1 ~ 10 part of tenderizer, 1 ~ 5 part of anti-aging agent;
Add after natural rubber and synthetic rubber plasticate in two roller mill, add zinc oxide, stearic acid, anti-aging agent, basalt fibre, strengthening agent, tenderizer successively, park after mixing and obtain one section of rubber unvulcanizate; In one section of rubber unvulcanizate, add sulphur, promotor carries out two-stage mixing; Carry out sulfuration again, obtain described wear-resisting low rolling and hinder conveying belt primer.
2. wear-resisting low rolling hinders conveying belt primer as claimed in claim 1, it is characterized in that: described synthetic rubber is styrene-butadiene rubber(SBR) and/or cis-1,4-polybutadiene rubber.
3. wear-resistingly as claimed in claim 1 lowly roll resistance conveying belt primer, it is characterized in that: described promotor is one or more in accelerator NS, accelerant CZ, vulkacit D TDM, Vulcanization accelerator TMTD.
4. wear-resistingly as claimed in claim 1 lowly roll resistance conveying belt primer, it is characterized in that: described strengthening agent is one or more in carbon black N220, carbon black N234, carbon black N115, carbon black N330, white carbon black.
5. wear-resistingly as claimed in claim 1 lowly roll resistance conveying belt primer, it is characterized in that: described anti-aging agent is one or more in Microcrystalline Wax, anti-aging agent RD, antioxidant 4020, antioxidant BLE.
6. wear-resistingly as claimed in claim 1 lowly roll resistance conveying belt primer, it is characterized in that: described tenderizer is one or more in petroleum softening agent, pine tar system softening agent, coal tar system softening agent.
7. the wear-resisting low preparation method rolling resistance conveying belt primer described in claim 1, is characterized in that step is as follows by weight:
(1) one section mixing: in two roller mill, add 40 ~ 80 parts of natural rubbers and 20 ~ 60 parts of synthetic rubber, plasticate 30 ~ 50s, and plasticating temperature is 25 ~ 30 DEG C; Then 1 ~ 5 part of zinc oxide, 1 ~ 3 part of stearic acid, 1 ~ 5 part of anti-aging agent, 1 ~ 10 part of basalt fibre, 30 ~ 60 parts of strengthening agents, 1 ~ 10 part of tenderizer are added successively, mixing 15 ~ 20min, melting temperature is 30 ~ 60 DEG C, namely obtains one section of rubber unvulcanizate after parking 8 ~ 16h;
(2) two-stage mixing: add 1 ~ 3 part of sulphur, 1 ~ 2.5 part of promotor, mixing 4 ~ 8min in one section of rubber unvulcanizate that step (1) obtains, melting temperature is 30 ~ 60 DEG C, obtains primer;
(3) sulfuration: the primer that step (2) obtains is carried out sulfuration on vulcanizing press, curing temperature is 140 ~ 160 DEG C, and sulfide stress is 10 ~ 15MPa, and curing time is 20 ~ 40min, obtains described wear-resisting low rolling and hinders conveying belt primer.
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| CN107964129A (en) * | 2017-09-30 | 2018-04-27 | 浙江瀚镪自动化设备股份有限公司 | A kind of wear-resisting gum cover of palletizing mechanical arm |
| CN109021313A (en) * | 2018-06-26 | 2018-12-18 | 宁顺集团有限公司 | Low rolling resistance conveying zone face glue of one kind and preparation method thereof |
| CN109134955A (en) * | 2018-06-20 | 2019-01-04 | 宁国市瑞普密封件有限公司 | A kind of natural rubber products of high stretching strength |
| CN111732762A (en) * | 2020-05-29 | 2020-10-02 | 浙江保尔力胶带有限公司 | Formula capable of reducing dynamic heat generation of triangular belt primer |
| CN115678137A (en) * | 2022-10-19 | 2023-02-03 | 宁波伏龙同步带有限公司 | Wear-resisting type hold-in range |
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| CN105017584A (en) * | 2015-06-26 | 2015-11-04 | 无锡宝通带业股份有限公司 | High-strength reclaimed rubber core rubber for common wire rope conveyer belts, and production method thereof |
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| CN106118081A (en) * | 2016-08-18 | 2016-11-16 | 四川远星橡胶有限责任公司 | A kind of low rolling resistance tire tread compound |
| CN106633218A (en) * | 2016-10-21 | 2017-05-10 | 安徽理工大学 | Natural rubber composite material and preparation method thereof |
| CN106867044A (en) * | 2017-01-05 | 2017-06-20 | 开封铁塔橡胶（集团）有限公司 | High resiliency, wear-resistant, shock resistance conveyer belt and preparation method thereof |
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| CN107652494A (en) * | 2017-09-30 | 2018-02-02 | 青岛科技大学 | Rubber composite that a kind of Fanglun slurry cake strengthens with short basalt fiber orientation and preparation method thereof |
| CN107964129A (en) * | 2017-09-30 | 2018-04-27 | 浙江瀚镪自动化设备股份有限公司 | A kind of wear-resisting gum cover of palletizing mechanical arm |
| CN107652494B (en) * | 2017-09-30 | 2019-10-15 | 青岛科技大学 | A kind of rubber composite material and preparation method thereof of Fanglun slurry cake and short basalt fiber orientation enhancing |
| CN107955235A (en) * | 2017-11-29 | 2018-04-24 | 际华三五五皮革皮鞋有限公司 | A kind of basalt fibre rubber soles and preparation method thereof |
| CN109134955A (en) * | 2018-06-20 | 2019-01-04 | 宁国市瑞普密封件有限公司 | A kind of natural rubber products of high stretching strength |
| CN109021313A (en) * | 2018-06-26 | 2018-12-18 | 宁顺集团有限公司 | Low rolling resistance conveying zone face glue of one kind and preparation method thereof |
| CN111732762A (en) * | 2020-05-29 | 2020-10-02 | 浙江保尔力胶带有限公司 | Formula capable of reducing dynamic heat generation of triangular belt primer |
| CN115678137A (en) * | 2022-10-19 | 2023-02-03 | 宁波伏龙同步带有限公司 | Wear-resisting type hold-in range |
| CN115678137B (en) * | 2022-10-19 | 2023-08-01 | 宁波伏龙同步带有限公司 | Wear-resisting type hold-in range |
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