CN103467801A - Conveyer belt cover rubber with strong tensile strength and wear resistance and preparation method thereof - Google Patents
Conveyer belt cover rubber with strong tensile strength and wear resistance and preparation method thereof Download PDFInfo
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- CN103467801A CN103467801A CN2013103766997A CN201310376699A CN103467801A CN 103467801 A CN103467801 A CN 103467801A CN 2013103766997 A CN2013103766997 A CN 2013103766997A CN 201310376699 A CN201310376699 A CN 201310376699A CN 103467801 A CN103467801 A CN 103467801A
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Abstract
The invention relates to a conveyer belt cover rubber and a preparation method thereof, in particular to a conveyer belt cover rubber with strong tensile strength and wear resistance and a preparation method thereof. The cover rubber comprises the components in parts by weight as follows: 100 parts of butadiene styrene rubber, 15-35 parts of reclaimed rubber, 3.5-6.5 parts of an activator, 2.5-6.5 parts of an antioxidant, 50-70 parts of carbon black, 7.0-10.0 parts of resin, 3.5-5.5 parts of a dispersant, 2.0-5.0 parts of sulfur, 0.5-2.5 parts of a vulcanization accelerator, and 9.0-15.0 parts of aromatic hydrocarbon oil. Compared with the existing product, the conveyer belt cover rubber provided by the invention increases tensile strength by 7.16% and wear resistance by 24%, which meets the requirement for temperature when conveying materials; at the same time, the service life of the conveyer belt is significantly prolonged, thereby realizing good economic benefits.
Description
Technical field
The present invention relates to conveyer belt coating rubber and preparation method thereof, particularly a kind of haling stretched wear-resistant conveyor belt rubber cover and preparation method thereof, is applicable to make meet GB/T7984-2001 general applications fabric core conveyor belt L rank conveying belt.
Background technology
Along with the continuous progress of productivity, the industrial and mining enterprises such as colliery, harbour, steel mill are increasing to the demand of conveying belt, simultaneously, because industrial scale constantly enlarges, production capacity improves constantly, the quality of conveying belt is also required more and more higher, especially to the wear resisting property of the rubber cover of conveying belt working face.
Iron and steel, cement industry institute convey materials generally have megathermal characteristics, simultaneously in for the conveying belt consideration in work-ing life, usually require conveying belt to have wear resisting property preferably.And current general applications fabric core conveyor belt L rank conveying belt, wear resisting property and tensile strength are 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, provide a kind of haling to stretch wear-resistant conveyor belt rubber cover and preparation method thereof.
Technical scheme of the present invention is:
A kind of haling stretched the wear-resistant conveyor belt rubber cover, described rubber cover consists of the following composition by following weight part: 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 weight part meter 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 weight part meter 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 weight part meter 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.
Another object of the present invention is the above-described preparation method who stretches the wear-resistant conveyor belt rubber cover that hales of open preparation, and described preparation method comprises the following steps:
A) add styrene-butadiene rubber(SBR), reclaimed rubber at Banbury mixer; then press floating weight 40-50 to carry stone roller second; then add activator, resin, anti-aging agent, dispersion agent and 1/3-1/2 carbon black; press floating weight within 90 seconds, to carry stone roller; then add residue carbon black and aromatic hydrocarbon oil; press floating weight 120 seconds, to 120 ℃-125 ℃, 20-25 rev/min of binder removal;
B) by above-mentioned steps A) sizing material that obtains is positioned in mill and wraps roller, and roll spacing is set to 5-6mm, bag roller three times, add sulphur and vulcanization accelerator, temperature is no more than 100 ℃, after sulphur and vulcanization accelerator melt fully, smash glue six times, roll spacing is set to 8-9mm.
C) by above-mentioned steps B) film that obtains is put in the pond of containing separant coolingly, then is hung on the glue frame that dries in the air, with fan, film is dried up.
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, selected hale the formula system of stretching the wear-resistant conveyor belt rubber cover and can reach splendid effect, of the present invention haling stretched wear-resistant conveyor belt rubber cover tensile strength than currently available products tensile strength raising 7.16%, wear resisting property improves 24%, both met the requirement of convey materials to temperature, simultaneously, make again significantly improve the work-ing life of conveying belt, realized 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 China Petrochemical Industry's Jilin Petrochemical Company, reclaimed rubber is purchased from Hengshui gold fortune rubber chemicals company limited, zinc oxide is taken thin ear zinc industry company limited purchased from the Shandong Huimin, stearic acid is purchased from Zhenghai, Ningbo City Si Xuan chemical industry company limited, anti-aging agent RD and antioxidant 4010NA are purchased from northeast auxiliary agent company limited, dispersion agent blocks europeanized work company limited purchased from Jiangsu, aromatic hydrocarbon oil is purchased from Dongying City brocade Xinghua work company limited, carbon black is purchased from Qingzhou City Taurus chemical industry company limited, 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 Shandong, Qingdao chemical industry company limited.
Embodiment 1:
A kind of haling stretched the 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 weight part meter proportioning.
Wherein, anti-aging agent is that 2:2 mixes by antioxidant 4010NA and anti-aging agent RD according to weight part meter proportioning.
Wherein, resin is 5:3 by C9 petroleum resin and coumarone indene resin according to weight part meter proportioning.
Rubber cover weight proportion by above-mentioned is prepared according to following steps:
A) add styrene-butadiene rubber(SBR), reclaimed rubber at Banbury mixer, then press floating weight within 45 seconds, to carry stone roller, then add activator, resin, anti-aging agent, dispersion agent and 1/2 carbon black; press floating weight within 90 seconds, to carry stone roller, then add residue carbon black and aromatic hydrocarbon oil, press floating weight 120 seconds; to 122 ℃, 25 rev/mins of binder removals;
B) by above-mentioned steps A) sizing material that obtains is positioned in mill and wraps roller, and roll spacing is set to 6mm, and bag roller three times, add sulphur and vulcanization accelerator, and 98 ℃ of temperature, after sulphur and vulcanization accelerator melt fully, are smash glue six times, and roll spacing is set to 9mm.
C) by above-mentioned steps B) film that obtains is put in the pond of containing separant coolingly, then is hung on the glue frame that dries in the air, with fan, film is dried up.
Embodiment 2:
A kind of haling stretched the 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 weight part meter proportioning.
Wherein, anti-aging agent is that 2:2 mixes by antioxidant 4010NA and anti-aging agent RD according to weight part meter proportioning.
Wherein, resin is 5.5:3 by C9 petroleum resin and coumarone indene resin according to weight part meter proportioning.
Rubber cover weight proportion by above-mentioned is prepared according to following steps:
A) add styrene-butadiene rubber(SBR), reclaimed rubber at Banbury mixer, then press floating weight within 50 seconds, to carry stone roller, then add activator, resin, anti-aging agent, dispersion agent and 1/3 carbon black; press floating weight within 90 seconds, to carry stone roller, then add residue carbon black and aromatic hydrocarbon oil, press floating weight 120 seconds; to 125 ℃, 25 rev/mins of binder removals;
B) by above-mentioned steps A) sizing material that obtains is positioned in mill and wraps roller, and roll spacing is set to 5-6mm, and bag roller three times, add sulphur and vulcanization accelerator, and 95 ℃ of temperature, after sulphur and vulcanization accelerator melt fully, are smash glue six times once, and roll spacing is set to 8mm.
C) by above-mentioned steps B) film that obtains is put in the pond of containing separant coolingly, then is hung on the glue frame that dries in the air, with fan, film is dried up.
The above embodiments 1, embodiment 2 experimental result data and the conventional data that require are as shown in the table:
The formula tensile strength of embodiment 1, embodiment 2, wear resisting property all can meet the demands, and be improved than currently available products as can be seen from the above table.
Claims (9)
1. hale and stretch the wear-resistant conveyor belt rubber cover for one kind, it is characterized in that, described rubber cover consists of the following composition by following weight part: 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.
2. according to claim 1 haling stretched the 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 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.
3. according to claim 2 haling stretched the 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.
4. according to claim 3 haling stretched the wear-resistant conveyor belt rubber cover, it is characterized in that, described activator is by weight part meter proportioning indirect process zinc oxide: stearic acid=3.5～5.5:0.5～2.5 mix.
5. according to claim 3 haling stretched the wear-resistant conveyor belt rubber cover, it is characterized in that, described anti-aging agent is by weight part meter proportioning antioxidant 4010NA: anti-aging agent RD=1.5～2.5:1.5～3.5.
6. according to claim 3 haling stretched the wear-resistant conveyor belt rubber cover, it is characterized in that, described vulcanizing agent is sulphur, and described vulcanization accelerator adopts vulcanization accelerator TBBS.
7. according to claim 3 haling stretched the wear-resistant conveyor belt rubber cover, it is characterized in that, described resin is by weight part meter proportioning C9 petroleum resin: coumarone indene resin=4.5～5.5:2.5～3.5.
8. stretch the wear-resistant conveyor belt rubber cover according to described the haling of claim 1-7 any one, it is characterized in that, described carbon black adopts carbon black N234.
9. the preparation method who stretches the wear-resistant conveyor belt rubber cover that hales claimed in claim 1, is characterized in that, described preparation method comprises the following steps:
A) add styrene-butadiene rubber(SBR), reclaimed rubber at Banbury mixer, then press floating weight 40-50 to carry stone roller second, then add activator, resin, anti-aging agent, dispersion agent and 1/3-1/2 carbon black, press floating weight within 90 seconds, to carry stone roller, then add residue carbon black and aromatic hydrocarbon oil, press floating weight 120 seconds, to 120 ℃-125 ℃, 20-25 rev/min of binder removal;
B) by above-mentioned steps A) sizing material that obtains is positioned in mill and wraps roller, and roll spacing is set to 5-6mm, bag roller three times, add sulphur and vulcanization accelerator, temperature is no more than 100 ℃, after sulphur and vulcanization accelerator melt fully, smash glue six times, roll spacing is set to 8-9mm;
C) by above-mentioned steps B) film that obtains is put in the pond of containing separant coolingly, then is hung on the glue frame that dries in the air, with fan, film is dried up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| 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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| CN103467801A true CN103467801A (en) | 2013-12-25 |
| CN103467801B CN103467801B (en) | 2015-09-16 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104311896A (en) * | 2014-09-29 | 2015-01-28 | 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 |
-
2013
- 2013-08-26 CN CN201310376699.7A patent/CN103467801B/en active Active
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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104311896A (en) * | 2014-09-29 | 2015-01-28 | 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 |
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| CN103467801B (en) | 2015-09-16 |
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