CN103102534B - Oil-resistant covering rubber for conveyer belt and preparation method thereof - Google Patents
Oil-resistant covering rubber for conveyer belt and preparation method thereof Download PDFInfo
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Abstract
The invention relates to an oil-resistant covering rubber for a conveyor belt and a preparation method thereof. The oil-resistant covering rubber comprises the following raw material components: 100 parts of premixed composite raw rubber, 3-8 parts of nano zinc oxide, 1-3 parts of stearic acid, 0.8-1.5 parts of accelerator NS, 0.8-2.0 parts of accelerator TMTD, 0.3-1.0 part of sulfur powder, 0.5-1 part of antioxidant RD, 78-2 parts of antioxidant MC4450.5, 10-15 parts of dioctyl phthalate, 5-12 parts of epoxidized soybean oil, 45-55 parts of carbon black N33045, 25-35 parts of barium sulfate, 5-10 parts of calcium oxide and 5-12 parts of active magnesium oxide. The oil-resistant covering rubber has high oil resistance at normal temperature and moderate material cost, and can be used for covering layers of conveyer belts with fabric or steel wire ropes as belt cores.
Description
Technical field
The present invention relates to a kind of oil resistant rubber cover used for conveyer belt and preparation method thereof.
Background technology
Conveying belt is for delivery of playing carrying in machine and transporting the rubber of material effect and fiber, metal composite, or plastics and the compound goods of fabric.Transfer roller is widely used in agricultural, industrial and mining enterprises and transportation carries various solid blocks and powder shape material or work piece.General Purpose Rubber conveying belt is transporting some when the mineral oil material, and its tectum is easily invaded and occurred swellingly by mineral oil, causes conveying belt significantly to shorten work-ing life.For this reason, some conveying belt that can resist mineral oil erosion arise at the historic moment, and these conveyer belt coating rubbers are all generally to adopt paracril to adopt some oil resistant Synergist S-421 95s to be made as material of main part.
Summary of the invention
One of object of the present invention is to overcome the deficiencies in the prior art, a kind of oil resistant rubber cover used for conveyer belt is provided, this oil resistant rubber cover is taking paracril, chloroprene rubber, SIS elastomerics as material of main part, there is at normal temperatures very high oil-proofness, material cost is moderate, can be used for the conveyor belt covering that belt carcass is fabric or wireline.
Another object of the present invention is to provide the preparation method of said conveyer belt oil resistant rubber cover.
According to technical scheme provided by the invention: a kind of oil resistant rubber cover used for conveyer belt, it is characterized in that: comprise following feed composition: compound rubber 100 weight parts of premix, nano zine oxide 3 ~ 8 weight parts, stearic acid 1 ~ 3 weight part, accelerator NS 0.8 ~ 1.5 weight part, Vulcanization accelerator TMTD 0.8 ~ 2.0 weight part, SULPHUR POWDER 0.3 ~ 1.0 weight part, anti-aging agent RD 0.5 ~ 1 weight part, oxidation inhibitor MC4450.5 ~ 2 weight part, o-phthalic acid dibutyl ester 10 ~ 15 weight parts, epoxy soybean oil 5 ~ 12 weight parts, carbon black N33045 ~ 55 weight part, barium sulfate 25 ~ 35 weight parts, calcium oxide 5 ~ 10 weight parts, activated magnesia 5 ~ 12 weight parts,
The compound rubber of described premix be by paracril 6250, chloroprene rubber M40 and SIS elastomerics 4019 by weight ratio the ratio of 3:1:1 be mixed.
A preparation method for oil resistant rubber cover used for conveyer belt, is characterized in that: comprise following process:
(1) premix processing: it is stand-by that the ratio of 3:1:1 takes paracril 6250, chloroprene rubber M40 and SIS elastomerics 4019 by weight ratio, thin-pass is in blocks respectively by three kinds of sizing materials to adopt mill, by controlling cooling water inflow dancer rools temperature not higher than 80 degrees Celsius; Three kinds of sizing material thin-passes in flakes after, then drop into mill and mix, play triangle bag 8 ~ 10 times, after slice, be the compound rubber of premix, cooling park after at least 2 hours for subsequent use;
(2) one sections mixing: compound the premix of 100 weight parts rubber is added in Banbury mixer, press floating weight to stir, the rotor speed control of Banbury mixer is at 22 ~ 24 revs/min; Stir after 15 ~ 20 seconds, open top bolt, in Banbury mixer, drop into the calcium oxide of 5 ~ 10 weight parts, the activated magnesia of 5 ~ 12 weight parts, the stearic acid of 1 ~ 3 weight part, oxidation inhibitor MC445, the anti-aging agent RD of 0.5 ~ 1 weight part and the accelerator NS of 0.8 ~ 1.5 weight part of 0.5 ~ 2 weight part, press floating weight to continue to stir; Stir after 40 ~ 50 seconds, open top bolt, in Banbury mixer, drop into the carbon black N330 of 45 ~ 55 weight parts, o-phthalic acid dibutyl ester, the epoxy soybean oil of 5 ~ 12 weight parts and the barium sulfate of 25 ~ 35 weight parts of 10 ~ 15 weight parts, press floating weight to continue to stir, stir after 50 ~ 60 seconds, open top bolt, take out one section of rubber unvulcanizate in Banbury mixer, be cooled to room temperature;
(3) two-stage mixing: the one section of rubber unvulcanizate that is cooled to room temperature is placed in Banbury mixer, then drops into the SULPHUR POWDER of 0.3 ~ 1 weight part and the Vulcanization accelerator TMTD of 0.8 ~ 2 weight part, press floating weight to stir, the rotor speed control of Banbury mixer is at 18 ~ 20 revs/min; Stir after 20 ~ 25 seconds, open lower top bolt, discharge the two-stage mixing glue in Banbury mixer;
(4) open refining: two-stage mixing glue is inserted mill, add the nano zine oxide of 3 ~ 8 weight parts, turn over bag and carry out slice by thickness 8 ~ 10mm afterwards 6 ~ 8 times, after slice, be cooled to room temperature, obtain oil resistant rubber cover used for conveyer belt.
Compared with prior art, advantage is in the present invention: oil resistant rubber cover used for conveyer belt prepared by the present invention can be used for needing fabric core conveyor belt or the steel cable core conveying belt of oil resistance, possesses the performance that higher resistance to mineral oil corrodes.Use this scheme can significantly extend conveying belt and transport oiliness material and transport the work-ing life under material, oil resistant rubber cover used for conveyer belt prepared by the inventive method, its performance reaches DO rank standard in " HG/T3714 oil resistant conveying belt ".
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
In following examples, raw material used is market purchase, is specially:
Paracril 6250 is purchased from Korea S LG chemistry;
Chloroprene rubber M40 is purchased from Japanese electrochemistry;
SIS elastomerics 4019 is purchased from Sinopec Ba Ling petrochemical complex;
Nano zine oxide is purchased from Shandong Xing Ya novel material limited-liability company;
Stearic acid is purchased from the honest Chemical Co., Ltd. in Linyi;
Carbon black N330 is purchased from Suzhou Baohua Carbon Black Co., Ltd.;
Barium sulfate is purchased from gold meadow, Taizhou Chemical Co., Ltd.;
Activated magnesia is purchased from chemical plant, Qingzhou in Shandong province;
Calcium oxide is purchased from Zibo Chuan Leigai industry company limited;
Oxidation inhibitor MC445 is purchased from Nantong Xin Chang Chemical Co., Ltd.;
Anti-aging agent RD is purchased from Nanjing Chemical Industry Company;
Accelerator NS and Vulcanization accelerator TMTD are purchased from Shandong Yanggu Huatai Chemical Industry Co., Ltd;
SULPHUR POWDER is purchased from SULPHUR POWDER factory of Jiangyin City.
Embodiment 1
(1) premix processing: take 6250,2 kilograms of chloroprene rubber M40 of 6 kilograms of paracrils and 2 kilograms of SIS elastomericss 4019, drop into mill thin-pass slice respectively in batches, by controlling cooling water inflow dancer rools temperature not higher than 80 degrees Celsius; Three kinds of sizing material thin-passes in flakes after, then drop into mill and mix, dancer rools, apart to 6mm, is played triangle bag 8 times, is the compound rubber of premix after slice, cooling park after 2 hours for subsequent use;
(2) one sections mixing: the compound rubber of premix of getting 10 kilograms of above-mentioned refinings adds in Banbury mixer, presses floating weight to stir, and the rotor speed of Banbury mixer is 24 revs/min; Stir after 20 seconds, open top bolt, in Banbury mixer, drop into 500 grams of calcium oxide, 800 grams of activated magnesias, 100 grams of stearic acid, 100 grams of oxidation inhibitor MC445,50 grams of anti-aging agent RDs, 150 grams of accelerator NSs, press floating weight to continue to stir; Stir after 50 seconds, open top bolt, in Banbury mixer, drop into the barium sulfate of 5 kilograms of carbon black N330, the o-phthalic acid dibutyl ester of 1 kilogram, 500 grams of epoxy soybean oils and 2.5 kilograms, press floating weight to continue to stir, stir after 60 seconds, open top bolt, take out one section of rubber unvulcanizate in Banbury mixer, be cooled to room temperature;
(3) two-stage mixing: the one section of rubber unvulcanizate that is cooled to room temperature is placed in Banbury mixer, then drops into 50 grams of SULPHUR POWDER and 150 grams of TMTD, press floating weight to stir, the rotor speed of Banbury mixer is 20 revs/min, stir 20 seconds, open lower top bolt, discharge the two-stage mixing glue in Banbury mixer;
(4) open refining: two-stage mixing glue is inserted mill, add the nano zine oxide of 600 grams, turn over bag and carry out slice by thickness 8mm after 8 times, after slice, be cooled to room temperature, obtain oil resistant rubber cover used for conveyer belt.
Oil resistant rubber cover physicals used for conveyer belt prepared by embodiment 1 is as shown in table 1.(inspecting standard HG/T3714DO level):
Table 1
Embodiment 2
(1) premix processing: take 6250,2 kilograms of chloroprene rubber M40 of 6 kilograms of paracrils and 2 kilograms of SIS elastomericss 4019, drop into mill thin-pass slice respectively in batches, by controlling cooling water inflow dancer rools temperature not higher than 80 degrees Celsius; Three kinds of sizing material thin-passes in flakes after, then drop into mill and mix, dancer rools, apart to 6mm, is played triangle bag 8 times, is the compound rubber of premix after slice, cooling park after 2 hours for subsequent use;
(2) one sections mixing: the compound rubber of premix of getting 10 kilograms of above-mentioned refinings adds in Banbury mixer, presses floating weight to stir, and the rotor speed of Banbury mixer is 24 revs/min; Stir after 20 seconds, open top bolt, in Banbury mixer, drop into 600 grams of calcium oxide, 600 grams of activated magnesias, 150 grams of stearic acid, 50 grams of oxidation inhibitor MC445,50 grams of anti-aging agent RDs, 100 grams of accelerator NSs, press floating weight to continue to stir; Stir after 50 seconds, open top bolt, in Banbury mixer, drop into the barium sulfate of 4.5 kilograms of carbon black N330,1 kilogram of o-phthalic acid dibutyl ester, 600 grams of epoxy soybean oils and 3.5 kilograms, press floating weight to continue to stir, stir after 60 seconds, open top bolt, take out one section of rubber unvulcanizate in Banbury mixer, be cooled to room temperature;
(3) two-stage mixing: the one section of rubber unvulcanizate that is cooled to room temperature is placed in Banbury mixer, then drops into 60 grams of SULPHUR POWDER and 120 grams of TMTD, press floating weight to stir, the rotor speed of Banbury mixer is 20 revs/min, stir 20 seconds, open lower top bolt, discharge the two-stage mixing glue in Banbury mixer;
(4) open refining: two-stage mixing glue is inserted mill, add the nano zine oxide of 500 grams, turn over bag and carry out slice by thickness 8mm after 8 times, after slice, be cooled to room temperature, obtain oil resistant rubber cover used for conveyer belt.
Oil resistant rubber cover physicals used for conveyer belt prepared by embodiment 2 is as shown in table 2.(inspecting standard HG/T3714DO level):
Table 2
Embodiment 3
(1) premix processing: take 6250,2 kilograms of chloroprene rubber M40 of 6 kilograms of paracrils and 2 kilograms of SIS elastomericss 4019, drop into mill thin-pass slice respectively in batches, by controlling cooling water inflow dancer rools temperature not higher than 80 degrees Celsius; Three kinds of sizing material thin-passes in flakes after, then drop into mill and mix, dancer rools, apart to 6mm, is played triangle bag 10 times, is the compound rubber of premix after slice, cooling park after 2 hours for subsequent use;
(2) one sections mixing: the compound rubber of premix of getting 10 kilograms of above-mentioned refinings adds in Banbury mixer, presses floating weight to stir, and the rotor speed of Banbury mixer is 24 revs/min; Stir after 20 seconds, open top bolt, in Banbury mixer, drop into 800 grams of calcium oxide, 1000 grams of activated magnesias, 200 grams of stearic acid, 150 grams of oxidation inhibitor MC445,80 grams of anti-aging agent RDs, 100 grams of accelerator NSs, press floating weight to continue to stir; Stir after 50 seconds, open top bolt, in Banbury mixer, drop into the barium sulfate of 5.5 kilograms of carbon black N330, the o-phthalic acid dibutyl ester of 1 kilogram, 1 kilogram of epoxy soybean oil and 3 kilograms, press floating weight to continue to stir, stir after 60 seconds, open top bolt, take out one section of rubber unvulcanizate in Banbury mixer, be cooled to room temperature;
(3) two-stage mixing: the one section of rubber unvulcanizate that is cooled to room temperature is placed in Banbury mixer, then drops into 30 grams of SULPHUR POWDER and 200 grams of TMTD, press floating weight to stir, the rotor speed of Banbury mixer is 20 revs/min, stir 20 seconds, open lower top bolt, discharge the two-stage mixing glue in Banbury mixer;
(4) open refining: two-stage mixing glue is inserted mill, add the nano zine oxide of 600 grams, turn over bag and carry out slice by thickness 8mm after 10 times, after slice, be cooled to room temperature, obtain oil resistant rubber cover used for conveyer belt.
Oil resistant rubber cover physicals used for conveyer belt prepared by embodiment 3 is as shown in table 3.(inspecting standard HG/T3714DO level):
Table 3
Claims (1)
1. a preparation method for oil resistant rubber cover used for conveyer belt, is characterized in that: comprise following process:
(1) premix processing: it is stand-by that the ratio of 3:1:1 takes paracril 6250, chloroprene rubber M40 and SIS elastomerics 4019 by weight ratio, thin-pass is in blocks respectively by three kinds of sizing materials to adopt mill, by controlling cooling water inflow dancer rools temperature not higher than 80 degrees Celsius; Three kinds of sizing material thin-passes in flakes after, then drop into mill and mix, play triangle bag 8 ~ 10 times, after slice, be the compound rubber of premix, cooling park after at least 2 hours for subsequent use;
(2) one sections mixing: compound the premix of 100 weight parts rubber is added in Banbury mixer, press floating weight to stir, the rotor speed control of Banbury mixer is at 22 ~ 24 revs/min; Stir after 15 ~ 20 seconds, open top bolt, in Banbury mixer, drop into the calcium oxide of 5 ~ 10 weight parts, the activated magnesia of 5 ~ 12 weight parts, the stearic acid of 1 ~ 3 weight part, oxidation inhibitor MC445, the anti-aging agent RD of 0.5 ~ 1 weight part and the accelerator NS of 0.8 ~ 1.5 weight part of 0.5 ~ 2 weight part, press floating weight to continue to stir; Stir after 40 ~ 50 seconds, open top bolt, in Banbury mixer, drop into the carbon black N330 of 45 ~ 55 weight parts, o-phthalic acid dibutyl ester, the epoxy soybean oil of 5 ~ 12 weight parts and the barium sulfate of 25 ~ 35 weight parts of 10 ~ 15 weight parts, press floating weight to continue to stir, stir after 50 ~ 60 seconds, open top bolt, take out one section of rubber unvulcanizate in Banbury mixer, be cooled to room temperature;
(3) two-stage mixing: the one section of rubber unvulcanizate that is cooled to room temperature is placed in Banbury mixer, then drops into the SULPHUR POWDER of 0.3 ~ 1 weight part and the Vulcanization accelerator TMTD of 0.8 ~ 2 weight part, press floating weight to stir, the rotor speed control of Banbury mixer is at 18 ~ 20 revs/min; Stir after 20 ~ 25 seconds, open lower top bolt, discharge the two-stage mixing glue in Banbury mixer;
(4) open refining: two-stage mixing glue is inserted mill, add the nano zine oxide of 3 ~ 8 weight parts, turn over bag and carry out slice by thickness 8 ~ 10mm afterwards 6 ~ 8 times, after slice, be cooled to room temperature, obtain oil resistant rubber cover used for conveyer belt.
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| CN106865112A (en) * | 2017-01-05 | 2017-06-20 | 开封铁塔橡胶（集团）有限公司 | Compound anti-tear, anti-impact steel wire rope core conveyer belt and preparation method thereof |
| CN108976509A (en) * | 2018-06-26 | 2018-12-11 | 宁顺集团有限公司 | A kind of oil resistant unitary-core flame-resistant conveying belt rubber cover and preparation method thereof |
| CN109400985A (en) * | 2018-09-28 | 2019-03-01 | 芜湖集拓橡胶技术有限公司 | A kind of oil resistant conveyer |
| CN110862587A (en) * | 2019-11-28 | 2020-03-06 | 郭文海 | Oil-resistant whole-core flame-retardant conveying belt |
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| CN101580679A (en) * | 2009-03-24 | 2009-11-18 | 无锡宝通带业股份有限公司 | Laminated belt core adhesive for fire retardant canvas conveyer belt and preparation method thereof |
| CN101559874B (en) * | 2009-05-12 | 2011-05-04 | 山东安能输送带橡胶有限公司 | Oilproof flame retardant conveyor belt |
| CN101781539B (en) * | 2010-03-15 | 2012-11-21 | 日邦树脂(无锡)有限公司 | Method for preparing moisture-cured multi-grafted solvent type adhesive |
| CN102337092B (en) * | 2011-07-22 | 2013-02-13 | 北京化工大学 | Adhesive layer rubber material for high-temperature-resistant canvas conveyor belt and using method thereof |
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Address after: 214112 Wuxi, New District, Jiangsu Mei Village Road, No. 19 Patentee after: WUXI BOTON TECHNOLOGY CO., LTD. Address before: 214112 Wuxi, New District, Jiangsu Mei Village Road, No. 19 Patentee before: Wuxi Baotong Tape Industry Co., Ltd, |
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Effective date of registration: 20220512 Address after: 214145 No. 88, Lihe East Road, Xinwu District, Wuxi City, Jiangsu Province Patentee after: WUXI BOTON CONVEYOR SOLUTION Co.,Ltd. Address before: 214112 No. 19 Zhang Cun road, Mei Village, New District, Jiangsu, Wuxi Patentee before: WUXI BOTON TECHNOLOGY Co.,Ltd. |
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