CN103467801B - One is haled and is stretched wear-resistant conveyor belt rubber cover and preparation method thereof - Google Patents
One is haled and is stretched wear-resistant conveyor belt rubber cover and preparation method thereof Download PDFInfo
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- CN103467801B CN103467801B CN201310376699.7A CN201310376699A CN103467801B CN 103467801 B CN103467801 B CN 103467801B CN 201310376699 A CN201310376699 A CN 201310376699A CN 103467801 B CN103467801 B CN 103467801B
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Abstract
The present invention relates to conveyer belt coating rubber and preparation method thereof, hale in particular to one and stretch wear-resistant conveyor belt rubber cover and preparation method thereof, described rubber cover consists of the following composition by following parts by weight: styrene-butadiene rubber(SBR) 100, reclaimed rubber 15 ~ 35, activator 3.5 ~ 6.5, anti-aging agent 2.5 ~ 6.5, carbon black 50 ~ 70, resin 7.0 ~ 10.0, dispersion agent 3.5 ~ 5.5, sulphur 2.0 ~ 5.0, vulcanization accelerator 0.5 ~ 2.5, aromatic hydrocarbon oil 9.0 ~ 15.0.Conveyer belt coating rubber of the present invention improves 7.16% than currently available products tensile strength, and wear resisting property improves 24%, has both met the requirement of convey materials to temperature, and meanwhile, has made again significantly improve the work-ing life of conveying belt, achieve good economic benefit.
Description
Technical field
The present invention relates to conveyer belt coating rubber and preparation method thereof, particularly one is haled and is stretched wear-resistant conveyor belt rubber cover and preparation method thereof, is applicable to making and meets GB/T7984-2001 general applications fabric core conveyor belt L rank conveying belt.
Background technology
Along with the continuous progress of productivity, the demands of industrial and mining enterprises to conveying belt such as colliery, harbour, steel mill are increasing, simultaneously, because industrial scale constantly expands, production capacity improves constantly, and also requires more and more higher, especially to the wear resisting property of the rubber cover of conveying belt working face to the quality of conveying belt.
Iron and steel, cement industry institute convey materials generally has megathermal feature, is in the consideration for conveying belt work-ing life simultaneously, usually requires that conveying belt has good wear resisting property.And current general applications fabric core conveyor belt L rank conveying belt, wear resisting property and tensile strength not satisfactory.
Summary of the invention
The present invention is directed to deficiency of the prior art, in order to improve wear resisting property and the tensile property of conveying belt working face rubber cover, providing one to hale and stretching wear-resistant conveyor belt rubber cover and preparation method thereof.
Technical scheme of the present invention is:
One is haled and is stretched wear-resistant conveyor belt rubber cover, described rubber cover consists of the following composition by following parts by weight: styrene-butadiene rubber(SBR) 100, reclaimed rubber 15 ~ 35, activator 3.5 ~ 6.5, anti-aging agent 2.5 ~ 6.5, carbon black 50 ~ 70, resin 7.0 ~ 10.0, dispersion agent 3.5 ~ 5.5, sulphur 2.0 ~ 5.0, vulcanization accelerator 0.5 ~ 2.5, aromatic hydrocarbon oil 9.0 ~ 15.0.
On the basis of above scheme, described rubber cover consists of the following composition by weight: styrene-butadiene rubber(SBR) 100, reclaimed rubber 18 ~ 25, activator 4.0 ~ 6.5, anti-aging agent 4.5 ~ 5.5, carbon black 50 ~ 70, resin 7.0 ~ 10.0, dispersion agent 3 ~ 4.5, sulphur 2.5 ~ 4.5, vulcanization accelerator 0.8 ~ 1.5, aromatic hydrocarbon oil 9.0 ~ 12.0.
On the basis of above scheme, described rubber cover consists of the following composition by weight: styrene-butadiene rubber(SBR) 100, reclaimed rubber 20, activator 6.0, anti-aging agent 4.0, carbon black 60, resin 8.0, dispersion agent 4.0, sulphur 2.0, vulcanization accelerator 1.0, aromatic hydrocarbon oil 10.0.
On the basis of above scheme, described activator is by parts by weight proportioning indirect process zinc oxide: stearic acid=3.5 ~ 5.5:0.5 ~ 2.5 mix.
On the basis of above scheme, described anti-aging agent is by parts by weight proportioning antioxidant 4010NA: anti-aging agent RD=1.5 ~ 2.5:1.5 ~ 3.5.
On the basis of above scheme, described vulcanizing agent is sulphur, and described vulcanization accelerator adopts vulcanization accelerator TBBS.
On the basis of above scheme, described resin is by parts by weight proportioning C9 petroleum resin: coumarone indene resin=4.5 ~ 5.5:2.5 ~ 3.5.
On the basis of above scheme, described carbon black adopts carbon black N234.
To be that open preparation is above-described hale the preparation method stretching wear-resistant conveyor belt rubber cover to another object of the present invention, and described preparation method comprises the following steps:
A) styrene-butadiene rubber(SBR), reclaimed rubber is added at Banbury mixer; then floating weight 40-50 is pressed to carry stone roller second; then activator, resin, anti-aging agent, dispersion agent and 1/3-1/2 carbon black is added; pressure floating weight carries stone roller in 90 seconds; then residue carbon black and aromatic hydrocarbon oil is added; pressure floating weight 120 seconds, to 120 DEG C-125 DEG C, 20-25 rev/min of binder removal;
B) by above-mentioned steps A) sizing material that obtains is positioned over bag roller in mill, and roll spacing is set to 5-6mm, bag roller three times, add sulphur and vulcanization accelerator, temperature is no more than 100 DEG C, after sulphur and vulcanization accelerator melt completely, smash glue six times, roll spacing is set to 8-9mm.
C) by above-mentioned steps B) film that obtains cools in being put in containing separant pond, is then hung on and dries in the air on glue frame, dried up by film with fan.
The invention has the beneficial effects as follows: the present invention considers from aspects such as stretch-proof performance, wear resisting property and processing characteristicies, select hale the formula system stretching wear-resistant conveyor belt rubber cover and can reach splendid effect, of the present invention haling stretches wear-resistant conveyor belt rubber cover tensile strength than currently available products tensile strength raising 7.16%, wear resisting property improves 24%, both the requirement of convey materials to temperature had been met, meanwhile, make again significantly improve the work-ing life of conveying belt, achieve good economic benefit.
Embodiment
Below by embodiment, the present invention will be further described, but not as limitation of the present invention.
Raw material described in following examples is market and buys.Wherein, styrene-butadiene rubber(SBR) is purchased from Jilin Petrochemical Company of China Petrochemical Industry, reclaimed rubber is purchased from Hengshui Jin Yun rubber chemicals company limited, zinc oxide takes Xi Erxin industry company limited purchased from Shandong Huimin, stearic acid is purchased from Zhenghai, Ningbo City Si Xuan Chemical Co., Ltd., anti-aging agent RD and antioxidant 4010NA are purchased from northeast auxiliary agent company limited, dispersion agent is purchased from Ka Ou Chemical Co., Ltd. of Jiangsu, aromatic hydrocarbon oil is purchased from Dongying City Jin Xing Chemical Co., Ltd., carbon black is purchased from Qingzhou City Taurus Chemical Co., Ltd., sulphur is purchased from Ningbo flowers of sulfur polymkeric substance company limited, accelerator TBBS is purchased from northeast auxiliary agent company limited, resin is purchased from Qingdao Lu Hua Chemical Co., Ltd..
Embodiment 1:
One is haled and is stretched wear-resistant conveyor belt rubber cover, consists of the following composition by weight: styrene-butadiene rubber(SBR) 100, reclaimed rubber 20, activator 6.0, anti-aging agent 4.0, carbon black (N234) 60, resin 8.0, dispersion agent 4.0, sulphur 2.0, vulcanization accelerator (TBBS) 1.0, aromatic hydrocarbon oil 10.0.
Wherein, activator is that 5:1 mixes by indirect process zinc oxide and stearic acid according to parts by weight proportioning.
Wherein, anti-aging agent is that 2:2 mixes by antioxidant 4010NA and anti-aging agent RD according to parts by weight proportioning.
Wherein, resin is 5:3 by C9 petroleum resin and coumarone indene resin according to parts by weight proportioning.
By above-mentioned rubber cover weight proportion, be prepared according to following steps:
A) add styrene-butadiene rubber(SBR), reclaimed rubber at Banbury mixer, then press floating weight to carry stone roller in 45 seconds, then add activator, resin, anti-aging agent, dispersion agent and 1/2 carbon black; pressure floating weight carries stone roller in 90 seconds, then adds residue carbon black and aromatic hydrocarbon oil, pressure floating weight 120 seconds; to 122 DEG C, 25 revs/min of binder removals;
B) by above-mentioned steps A) sizing material that obtains is positioned over bag roller in mill, and roll spacing is set to 6mm, and bag roller three times, adds sulphur and vulcanization accelerator, temperature 98 DEG C, and after sulphur and vulcanization accelerator melt completely, smash glue six times, roll spacing is set to 9mm.
C) by above-mentioned steps B) film that obtains cools in being put in containing separant pond, is then hung on and dries in the air on glue frame, dried up by film with fan.
Embodiment 2:
One is haled and is stretched wear-resistant conveyor belt rubber cover, consists of the following composition by weight: styrene-butadiene rubber(SBR) 100, reclaimed rubber 20, activator 6.5, anti-aging agent 4.0, carbon black (N234) 60, resin 8.5, dispersion agent 4.0, sulphur 2.0, vulcanization accelerator (TBBS) 1.2, aromatic hydrocarbon oil 10.0.
Wherein, activator is that 5:1.5 mixes by indirect process zinc oxide and stearic acid according to parts by weight proportioning.
Wherein, anti-aging agent is that 2:2 mixes by antioxidant 4010NA and anti-aging agent RD according to parts by weight proportioning.
Wherein, resin is 5.5:3 by C9 petroleum resin and coumarone indene resin according to parts by weight proportioning.
By above-mentioned rubber cover weight proportion, be prepared according to following steps:
A) add styrene-butadiene rubber(SBR), reclaimed rubber at Banbury mixer, then press floating weight to carry stone roller in 50 seconds, then add activator, resin, anti-aging agent, dispersion agent and 1/3 carbon black; pressure floating weight carries stone roller in 90 seconds, then adds residue carbon black and aromatic hydrocarbon oil, pressure floating weight 120 seconds; to 125 DEG C, 25 revs/min of binder removals;
B) by above-mentioned steps A) sizing material that obtains is positioned over bag roller in mill, and roll spacing is set to 5-6mm, and bag roller three times, adds sulphur and vulcanization accelerator, and once, after sulphur and vulcanization accelerator melt completely, smash glue six times, roll spacing is set to 8mm to temperature 95 DEG C.
C) by above-mentioned steps B) film that obtains cools in being put in containing separant pond, is then hung on and dries in the air on glue frame, dried up by film with fan.
The data of the above embodiments 1, embodiment 2 experimental result data and custom requirements are as shown in the table:
The formula tensile strength of embodiment 1, embodiment 2, wear resisting property all can meet the demands as can be seen from the above table, and comparatively currently available products is improved.
Claims (6)
1. hale and stretch a wear-resistant conveyor belt rubber cover, it is characterized in that, described rubber cover consists of the following composition by weight: styrene-butadiene rubber(SBR) 100, reclaimed rubber 20, activator 6.0, anti-aging agent 4.0, carbon black 60, resin 8.0, dispersion agent 4.0, sulphur 2.0, vulcanization accelerator 1.0, aromatic hydrocarbon oil 10.0; Described activator is by parts by weight proportioning indirect process zinc oxide: stearic acid=3.5 ~ 5.5:0.5 ~ 2.5 mix.
2. according to claim 1 haling stretches wear-resistant conveyor belt rubber cover, it is characterized in that, described anti-aging agent is by parts by weight proportioning antioxidant 4010NA: anti-aging agent RD=1.5 ~ 2.5:1.5 ~ 3.5.
3. according to claim 1 haling stretches wear-resistant conveyor belt rubber cover, it is characterized in that, described vulcanizing agent is sulphur, and described vulcanization accelerator adopts vulcanization accelerator TBBS.
4. according to claim 1 haling stretches wear-resistant conveyor belt rubber cover, it is characterized in that, described resin is by parts by weight proportioning C9 petroleum resin: coumarone indene resin=4.5 ~ 5.5:2.5 ~ 3.5.
5. haling according to any one of claim 1-4 stretches wear-resistant conveyor belt rubber cover, it is characterized in that, described carbon black adopts carbon black N234.
6. according to claim 1ly hale the preparation method stretching wear-resistant conveyor belt rubber cover, it is characterized in that, described preparation method comprises the following steps:
A) styrene-butadiene rubber(SBR), reclaimed rubber is added at Banbury mixer, then floating weight 40-50 is pressed to carry stone roller second, then activator, resin, anti-aging agent, dispersion agent and 1/3-1/2 carbon black is added, pressure floating weight carries stone roller in 90 seconds, then residue carbon black and aromatic hydrocarbon oil is added, pressure floating weight 120 seconds, to 120 DEG C-125 DEG C, 20-25 rev/min of binder removal;
B) by above-mentioned steps A) sizing material that obtains is positioned over bag roller in mill, and roll spacing is set to 5-6mm, bag roller three times, add sulphur and vulcanization accelerator, temperature is no more than 100 DEG C, after sulphur and vulcanization accelerator melt completely, smash glue six times, roll spacing is set to 8-9mm.
C) by above-mentioned steps B) film that obtains cools in being put in containing separant pond, is then hung on and dries in the air on glue frame, dried up by film with fan.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310376699.7A CN103467801B (en) | 2013-08-26 | 2013-08-26 | One is haled and is stretched wear-resistant conveyor belt rubber cover and preparation method thereof |
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| CN201310376699.7A CN103467801B (en) | 2013-08-26 | 2013-08-26 | One is haled and is stretched wear-resistant conveyor belt rubber cover and preparation method thereof |
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| CN103467801A CN103467801A (en) | 2013-12-25 |
| CN103467801B true CN103467801B (en) | 2015-09-16 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104311896B (en) * | 2014-09-29 | 2017-02-08 | 青岛福凯橡塑新材料有限公司 | High-strength and high-wear resistance H type covering rubber for steel cord conveyor belt |
| CN104592599A (en) * | 2015-01-05 | 2015-05-06 | 浙江双箭橡胶股份有限公司 | Rubber conveyor belt |
| CN105646971A (en) * | 2016-01-26 | 2016-06-08 | 青岛汇洋矿山带有限公司 | High heat and corrosion resistance conveyer belt coverage rubber and preparation method thereof |
| CN109369992A (en) * | 2018-09-30 | 2019-02-22 | 芜湖集拓橡胶技术有限公司 | A kind of high performance-price ratio patch glue conveyer belt |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101481473A (en) * | 2008-01-07 | 2009-07-15 | 严晓敏 | Rubber composition and product thereof |
| CN102643461A (en) * | 2012-05-08 | 2012-08-22 | 无锡宝通带业股份有限公司 | Anti-tearing cover rubber for fabric core conveying belt and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101481473A (en) * | 2008-01-07 | 2009-07-15 | 严晓敏 | Rubber composition and product thereof |
| CN102643461A (en) * | 2012-05-08 | 2012-08-22 | 无锡宝通带业股份有限公司 | Anti-tearing cover rubber for fabric core conveying belt and preparation method thereof |
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Inventor after: Zhang Jianwu Inventor after: Chen Tao Inventor after: An Fengchun Inventor after: An Fengxiu Inventor after: Cui Yuping Inventor before: Chen Tao |
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