CN1896129A - Abrasive synthetic rubber material and its production - Google Patents
Abrasive synthetic rubber material and its production Download PDFInfo
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- CN1896129A CN1896129A CN 200510048156 CN200510048156A CN1896129A CN 1896129 A CN1896129 A CN 1896129A CN 200510048156 CN200510048156 CN 200510048156 CN 200510048156 A CN200510048156 A CN 200510048156A CN 1896129 A CN1896129 A CN 1896129A
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Abstract
An abrasive-resisting synthetic rubber material and its production are disclosed. The rubber material consists of natural rubber sheet, cis-1,4-polybutadiene rubber, styrene-butadiene rubber, chlorinated polypropylene rubber, greaseDOP, polytef, nanometer-magnesium hydroxide, oligomer ester, improver, fortifier, sulfur-resisting reducer, vulcanizing agent and filling agent. The process is carried out by plastication milling and milling to obtain abrasive-resisting synthetic rubber material, which has Schau's hardness 60, stretch strength 23, elongation 23 and elasticity 53%. It has better abrasive-resisting and anticorrosive performances and short life.
Description
Technical field
The invention belongs to the elastomeric material technical field, relate in particular to a kind of abrasive synthetic rubber material and preparation method thereof.
Background technology
Be used for carrying the machinery of ore and unclassified stores, all be covered with rubber layer as the surface of mine stock pump, impeller, travelling belt, its function is wearing and tearing and the corrosion that alleviates between mechanical part.And the Akron abrasion of the rubber layer that covers on the surface of its mechanical part at present has only 0.7-0.9 (cm
2), rubber layer very easily weares and teares and comes off, thereby causes wearing and tearing between mechanical part to accelerate and be corroded, and shorten work-ing life.
Summary of the invention
Purpose of the present invention is exactly to be provided for a kind of mechanical part that is overlying on to make it have the abrasive synthetic rubber material than the long life.
Second purpose of the present invention just provides the preparation method of above-mentioned abrasive synthetic rubber material.
The technical scheme that realizes the present invention's first purpose is:
A kind of abrasive synthetic rubber material includes following materials in weight portion and constitutes:
Natural rubber sheet 25--35, cis-1,4-polybutadiene rubber 25--35,
Styrene-butadiene rubber(SBR) 25--35, chlorinated polyethylene rubber 15--25,
Lipid DOP 15--25, tetrafluoroethylene 4--6
Nano-sized magnesium hydroxide 25--35, oligomer ester 15--20
Promotor 6--12, anti-reversion agent 1.0--2.0
Vulcanizing agent 1.5--3.0 stopping composition 25--40.
Wherein, described promotor be accelerant C M, DZ or/and zinc oxide or/and hard ester acid; Described vulcanizing agent is that sulphur is or/and sulfur subchloride; Contain in the described stopping composition and be not less than 1250 purpose talcum powder.
The technical scheme that realizes the present invention's second purpose is:
The method for preparing abrasive synthetic rubber material comprises the following steps:
The first step rubber plastic steelmaking
Will send into after the natural rubber fragmentation thin-pass refining glue in the rubber mixing machine, be pressed into the thin slice of 5-8 mm thick, coat separant, park and be no less than 20 hours;
Second step is mixing:
In the sheet rubber that forms plasticating, add cis-1,4-polybutadiene rubber, styrene-butadiene rubber(SBR) and chlorinated polyethylene rubber, put into Banbury mixer in the lump, under 140--180 ℃ temperature banburying 8--15 minute; Added again the mixing banburying 3--8 of polytetrafluoroethylene powder minute; Add nano-sized magnesium hydroxide, micron magnesium oxide, oligomer ester, talcum powder lipid DOP and anti-reversion agent banburying 7--15 minute then successively, compacting evenly back is shut down and is turned over warehouse discharging, is cooled to 65--50 ℃;
Thin slice after the cooling is joined in the mill, after adding promotor and vulcanizing agent successively under 55--65 ℃ the temperature thin-pass 3--5 time, the front and back roller spacing of adjusting mill again is to 0.4--1.0 millimeter thin-pass 3--5 time, gets final product to such an extent that be used to prepare attrition resistant tartan.
Wherein, in the mixing process of described mill, add to contain in the white carbon black stopping composition of 10--20 weight part and be not less than 1250 purpose talcum powder.
Utilize the performance perameter of the abrasive synthetic rubber material that the preparation method of a kind of abrasive synthetic rubber material provided by the present invention is prepared into to be:
Shore hardness is that 60 ± 5 degree, tensile strength are that 22-25MPa, tensile yield are that 830-900%, bullet rate are 49-53%, Akron abrasion (cm
2) 0.035-0.040.This shows that under the situation that parameters such as shore hardness, tensile strength, tensile yield and bullet rate meet the demands, Akron abrasion has then improved nearly 20 times, prolong the work-ing life that makes the surface be covered with the mechanical part of this rubber layer greatly.
Embodiment
Embodiment 1:
The first step rubber plastic steelmaking
Will send into after 25 kilograms the NR smoked sheet 1# natural rubber fragmentation thin-pass refining glue in the rubber mixing machine, be pressed into the thin slice of 5 mm thick, coat separant, place 20 hours stand-by;
Second step is mixing:
The sheet rubber that forms plasticating is put into Banbury mixer, after add 30 kilograms styrene-butadiene rubber(SBR) 1500 of 9000,32 kilograms of cis-1,4-polybutadiene rubbers and 15 kilograms chlorinated polyethylene rubber 352L successively, banburying is 10 minutes under 140 ℃ temperature; The mixing banburying of polytetrafluoroethylene powder 5 minutes that adds 4 kilograms again; In Banbury mixer, add 35 kilograms nano-sized magnesium hydroxide, 12 kilograms the talcum powder of micron magnesium hydroxide and 15 kilograms more successively and do the anti-reversion agent Z-500 banburying 10 minutes of stopping composition, 18 kilograms oligomer ester TP-95,20 kilograms lipid DOP and 1.0 kilograms, warehouse discharging is turned in compacting evenly back shutdown, is cooled to 50 ℃;
Thin slice after the cooling is joined in the rubber mixing mill, thin-pass is 4 times after the sulphur of the accelerant CZ that adds 0.8 kilogram altax and 0.9 kilogram under 55 ℃ the temperature successively and 2.8 kilograms is made vulcanizing agent, adjust front and back roller spacing to the 1.0 millimeter thin-pass 4 times of mill again, get final product to such an extent that be used to prepare attrition resistant tartan.The shore hardness of this tartan is 60 after tested, tensile strength is 23, tensile yield is 850%, the bullet rate is 53%, Akron abrasion (cm
2) 0.035g.
Embodiment 2:
The first step rubber plastic steelmaking
Will send into after 35 kilograms the NR smoked sheet 1# natural rubber fragmentation thin-pass refining glue in the rubber mixing machine, be pressed into the thin slice of 8 mm thick, coat separant, place 21 hours stand-by;
Second step is mixing:
The sheet rubber that forms plasticating is put into Banbury mixer, after add 28 kilograms styrene-butadiene rubber(SBR) 1500 of 9000,30 kilograms of cis-1,4-polybutadiene rubbers and 25 kilograms chlorinated polyethylene rubber 352L successively, banburying is 8 minutes under 150 ℃ temperature; Mixing 3 minutes of the polytetrafluoroethylene powder that adds 4 kilograms again; In Banbury mixer, add 25 kilograms nano-sized magnesium hydroxide, 25 kilograms talcum powder more successively and do the anti-reversion agent Z-500 banburying 15 minutes of stopping composition, 15 kilograms oligomer ester TP-95,15 kilograms lipid DOP and 2.0 kilograms, warehouse discharging is turned in compacting evenly back shutdown, is cooled to 65 ℃;
Thin slice after the cooling is joined in the rubber mixing mill, thin-pass is 4 times after the sulfur subchloride of the captax that adds 10 kilograms white carbon black, 0.5 kilogram vulkacit D and 1.0 kilograms under 62 ℃ the temperature successively and 3 kilograms is made vulcanizing agent, adjust front and back roller spacing to the 0.4 millimeter thin-pass 4 times of mill again, get final product to such an extent that be used to prepare attrition resistant tartan.
Embodiment 3:
The first step rubber plastic steelmaking
Will send into after 30 kilograms the NR smoked sheet 1# natural rubber fragmentation thin-pass refining glue in the rubber mixing machine, be pressed into the thin slice of 6 mm thick, coat separant, place 22 hours stand-by;
Second step is mixing:
The sheet rubber that forms plasticating is put into Banbury mixer, after add 32 kilograms styrene-butadiene rubber(SBR) 1500 of 9000,25 kilograms of cis-1,4-polybutadiene rubbers and 18 kilograms chlorinated polyethylene rubber 352L successively, banburying is 10 minutes under 180 ℃ temperature; Mixing 4 minutes of the polytetrafluoroethylene powder that adds 5 kilograms again; In Banbury mixer, add 28 kilograms nano-sized magnesium hydroxide, 15 kilograms the talcum powder of micron magnesium hydroxide and 20 kilograms more successively and do the anti-reversion agent Z-500 banburying 12 minutes of stopping composition, 16 kilograms oligomer ester TP-95,25 kilograms lipid DOP and 1.5 kilograms, warehouse discharging is turned in compacting evenly back shutdown, is cooled to 60 ℃;
Thin slice after the cooling is joined in the rubber mixing mill, thin-pass is 4 times after the sulphur of the stearic acid that adds 1.0 kilograms altax, 1.5 kilograms accelerant C z and 2 kilograms under 65 ℃ the temperature successively and 1.5 kilograms is made vulcanizing agent, adjust front and back roller spacing to the 0.5 millimeter thin-pass 4 times of mill again, get final product to such an extent that be used to prepare attrition resistant tartan.
Embodiment 4:
The first step rubber plastic steelmaking
Will send into after 28 kilograms the NR smoked sheet 1# natural rubber fragmentation thin-pass refining glue in the rubber mixing machine, be pressed into the thin slice of 7 mm thick, coat separant, place 20 hours stand-by;
Second step is mixing:
The sheet rubber that forms plasticating is put into Banbury mixer, after add 30 kilograms styrene-butadiene rubber(SBR) 1500 of 9000,35 kilograms of cis-1,4-polybutadiene rubbers and 20 kilograms chlorinated polyethylene rubber 352L successively, banburying is 12 minutes under 170 ℃ temperature; Mixing 5 minutes of the polytetrafluoroethylene powder that adds 6 kilograms again; In Banbury mixer, add 30 kilograms nano-sized magnesium hydroxide, 20 kilograms the talcum powder of micron magnesium oxide and 18 kilograms more successively and do the anti-reversion agent Z-500 banburying 11 minutes of stopping composition, 20 kilograms oligomer ester TP-95,20 kilograms lipid DOP and 1.0 kilograms, warehouse discharging is turned in compacting evenly back shutdown, is cooled to 55 ℃;
Thin slice after the cooling is joined in the rubber mixing mill, thin-pass is 5 times after the sulphur of the zinc oxide that adds 20 kilograms white carbon black, 0.5 kilogram altax, 0.5 kilogram accelerant CZ, 3 kilograms stearic acid and 4 kilograms under 60 ℃ the temperature successively and 2 kilograms is made vulcanizing agent, adjust front and back roller spacing to the 0.5 millimeter thin-pass 5 times of mill again, get final product to such an extent that be used to prepare attrition resistant tartan.
Embodiment 5:
The first step rubber plastic steelmaking
Will send into after 32 kilograms the NR smoked sheet 1# natural rubber fragmentation thin-pass refining glue in the rubber mixing machine, be pressed into the thin slice of 8 mm thick, coat separant, place 23 hours stand-by;
Second step is mixing:
The sheet rubber that forms plasticating is put into Banbury mixer, after add 25 kilograms styrene-butadiene rubber(SBR) 1500 of 9000,30 kilograms of cis-1,4-polybutadiene rubbers and 23 kilograms chlorinated polyethylene rubber 352L successively, banburying is 15 minutes under 160 ℃ temperature; Mixing 6 minutes of the polytetrafluoroethylene powder that adds 4.5 kilograms again; In Banbury mixer, add 25 kilograms nano-sized magnesium hydroxide, 12 kilograms the talcum powder of micron magnesium hydroxide and 28 kilograms more successively and do the anti-reversion agent Z-500 banburying 8 minutes of stopping composition, 19 kilograms oligomer ester TP-95,18 kilograms lipid DOP and 1.5 kilograms, warehouse discharging is turned in compacting evenly back shutdown, is cooled to 50 ℃;
Thin slice after the cooling is joined in the rubber mixing mill, thin-pass is 3 times after the sulfur subchloride of the zinc oxide that adds 0.9 kilogram vulkacit D, 1.2 kilograms captax and 3 kilograms under 55 ℃ the temperature successively and 2.5 kilograms is made vulcanizing agent, adjust front and back roller spacing to the 0.7 millimeter thin-pass 3 times of mill again, get final product to such an extent that be used to prepare attrition resistant tartan.
Embodiment 6:
The first step rubber plastic steelmaking
Will send into after 30 kilograms the NR smoked sheet 1# natural rubber fragmentation thin-pass refining glue in the rubber mixing machine, be pressed into the thin slice of 6 mm thick, coat separant, place 24 hours stand-by;
Second step is mixing:
The sheet rubber that forms plasticating is put into Banbury mixer, after add 35 kilograms styrene-butadiene rubber(SBR) 1500 of 9000,28 kilograms of cis-1,4-polybutadiene rubbers and 20 kilograms chlorinated polyethylene rubber 352L successively, banburying is 13 minutes under 155 ℃ temperature; Mixing 7 minutes of the polytetrafluoroethylene powder that adds 5.5 kilograms again; In Banbury mixer, add 32 kilograms nano-sized magnesium hydroxide, 10 kilograms the talcum powder of micron magnesium hydroxide and 20 kilograms more successively and do the anti-reversion agent Z-500 banburying 7 minutes of stopping composition, 17 kilograms oligomer ester TP-95,22 kilograms lipid DOP and 2.0 kilograms, warehouse discharging is turned in compacting evenly back shutdown, is cooled to 60 ℃;
Thin slice after the cooling is joined in the rubber mixing mill, thin-pass is 4 times after the sulfur subchloride of the zinc oxide that adds 15 kilograms white carbon black, 0.5 kilogram altax, 1.0 kilograms accelerant CZ, 2 kilograms stearic acid and 5 kilograms under 50 ℃ the temperature successively and 1.8 kilograms is made vulcanizing agent, adjust front and back roller spacing to the 0.8 millimeter thin-pass 4 times of mill again, get final product to such an extent that be used to prepare attrition resistant tartan.
Embodiment 7:
The first step rubber plastic steelmaking
Will send into after 28 kilograms the NR smoked sheet 1# natural rubber fragmentation thin-pass refining glue in the rubber mixing machine, be pressed into the thin slice of 7 mm thick, coat separant, place 18 hours stand-by;
Second step is mixing:
The sheet rubber that forms plasticating is put into Banbury mixer, after add 30 kilograms styrene-butadiene rubber(SBR) 1500 of 9000,32 kilograms of cis-1,4-polybutadiene rubbers and 18 kilograms chlorinated polyethylene rubber 352L successively, banburying is 14 minutes under 160 ℃ temperature; Mixing 8 minutes of the polytetrafluoroethylene powder that adds 4 kilograms again; In Banbury mixer, add 30 kilograms nano-sized magnesium hydroxide, 33 kilograms talcum powder more successively and do the anti-reversion agent Z-500 banburying 10 minutes of stopping composition, 18 kilograms oligomer ester TP-95,16 kilograms lipid DOP and 1.0 kilograms, warehouse discharging is turned in compacting evenly back shutdown, is cooled to 62 ℃;
Thin slice after the cooling is joined in the rubber mixing mill, thin-pass is 5 times after the sulphur of the zinc oxide that adds 15 kilograms white carbon black, 1.0 kilograms altax, 1.0 kilograms accelerant CZ, 2.0 kilograms stearic acid and 4 kilograms under 60 ℃ the temperature successively and 2.2 kilograms is made vulcanizing agent, adjust front and back roller spacing to the 0.9 millimeter thin-pass 5 times of mill again, get final product to such an extent that be used to prepare attrition resistant tartan.
Claims (6)
1, a kind of abrasive synthetic rubber material is characterized in that including following materials in weight portion and constitutes:
Natural rubber sheet 25---35, cis-1,4-polybutadiene rubber 25---35,
Styrene-butadiene rubber(SBR) 25---35, chlorinated polyethylene rubber 15---25,
Lipid DOP 15---25, tetrafluoroethylene 4---6
Nano-sized magnesium hydroxide 25---35, oligomer ester 15---20
Promotor 6---12, anti-reversion agent 1.0---2.0
Vulcanizing agent 1.5---3.0 stopping composition 25---40.
2, a kind of abrasive synthetic rubber material as claimed in claim 1 is characterized in that: described promotor be accelerant C M, DZ or/and zinc oxide or/and hard ester acid.
3, a kind of abrasive synthetic rubber material as claimed in claim 1 is characterized in that: described vulcanizing agent is that sulphur is or/and sulfur subchloride.
4, a kind of abrasive synthetic rubber material as claimed in claim 1 is characterized in that: contain in the described stopping composition and be not less than 1250 purpose talcum powder.
5, the method for preparing the described abrasive synthetic rubber material of claim 1 comprises the following steps:
The first step rubber plastic steelmaking
Will send into after the natural rubber fragmentation thin-pass refining glue in the rubber mixing machine, be pressed into the thin slice of 5-8 mm thick, coat separant, park and be no less than 20 hours;
Second step is mixing:
In the sheet rubber that forms plasticating, add cis-1,4-polybutadiene rubber, styrene-butadiene rubber(SBR) and chlorinated polyethylene rubber, put into Banbury mixer in the lump, 140---banburying 8 under 180 ℃ the temperature---15 minutes; Add the mixing banburying 3 of polytetrafluoroethylene powder again---8 minutes; Add nano-sized magnesium hydroxide, micron magnesium oxide, oligomer ester, talcum powder lipid DOP and anti-reversion agent banburying 7 then successively---15 minutes, warehouse discharging was turned in compacting evenly back shutdown, is cooled to 65---and 50 ℃;
Thin slice after the cooling is joined in the mill, 55---add successively under 65 ℃ the temperature promotor and vulcanizing agent after thin-pass 3---5 times, adjust the front and back roller spacing to 0.4 of mill again---1.0 millimeters thin-passes 3---5 times, get final product to such an extent that be used to prepare attrition resistant tartan.
6, the method for a kind of abrasive synthetic rubber material of preparation as claimed in claim 5 is characterized in that: add 10 in the mixing process of described mill---contains in the white carbon black stopping composition of 20 weight parts and is not less than 1250 purpose talcum powder.
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| CNB2005100481568A CN100469830C (en) | 2005-12-03 | 2005-12-03 | Abrasive synthetic rubber material and its production |
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|---|---|---|---|
| CNB2005100481568A CN100469830C (en) | 2005-12-03 | 2005-12-03 | Abrasive synthetic rubber material and its production |
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| CN1896129A true CN1896129A (en) | 2007-01-17 |
| CN100469830C CN100469830C (en) | 2009-03-18 |
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| CNB2005100481568A Expired - Fee Related CN100469830C (en) | 2005-12-03 | 2005-12-03 | Abrasive synthetic rubber material and its production |
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| CN101220186B (en) * | 2008-01-29 | 2011-01-12 | 刘继祥 | Rubber product |
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| CN101538378B (en) * | 2009-03-31 | 2011-03-09 | 山东恒宇橡胶有限公司 | All-steel tire tread synthetic adhesive with high abrasion |
| CN101824223A (en) * | 2010-04-13 | 2010-09-08 | 仝国磊 | Blended rubber of silicon rubber and high density polyethylene and preparation method thereof |
| CN101824223B (en) * | 2010-04-13 | 2012-06-27 | 仝国磊 | Blended rubber of silicon rubber and high density polyethylene and preparation method thereof |
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| CN104990791A (en) * | 2015-07-21 | 2015-10-21 | 温州经济技术开发区滨海志杰机电产品设计工作室 | Natural rubber press plate with four edges capable of being adjusted to one plane through skewed slots |
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| CN113831656A (en) * | 2021-10-08 | 2021-12-24 | 清河县耀华胶业有限公司 | CPE, NR and SBR blended composite rubber material and preparation method thereof |
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