CN103275348A - Production method and combination material formula of environment-friendly high-strength reclaimed butyl rubber - Google Patents
Production method and combination material formula of environment-friendly high-strength reclaimed butyl rubber Download PDFInfo
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- CN103275348A CN103275348A CN2013102432382A CN201310243238A CN103275348A CN 103275348 A CN103275348 A CN 103275348A CN 2013102432382 A CN2013102432382 A CN 2013102432382A CN 201310243238 A CN201310243238 A CN 201310243238A CN 103275348 A CN103275348 A CN 103275348A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The invention discloses a production method of environment-friendly high-strength reclaimed butyl rubber, which comprises the following steps: selecting good quality waste butyl rubber inner tube, and crushing into sheets; screening and magnetic separation; adding environment-friendly rubber softener and reinforcing agent for stirring so as to form a composition material; desulfuration and extraction; refining; filtering; and forming. According to the invention, the reclaimed butyl rubber is ensured in quality as good quality butyl rubber material is selected; the reclaimed butyl rubber conforms to requirements of environment-friendly laws and regulations of European Union as no contaminative rubber softener is added during the regeneration process, and also extracting process is added for extracting original rubber aromatic oil. The invention also discloses a composition material formula of the reclaimed butyl rubber. According to the invention, through improving formula processes and finely selecting raw materials, the tensile strength of the produced reclaimed butyl rubber is kept in the range of 8.5-9.5 MPa which is far higher than the national standard of being larger than or equal to 6.8 MPa.
Description
Technical field
The present invention relates to a kind of butyl reclaimed rubber production method, relate in particular to a kind of production method of environment-friendly type high intensity power butyl reclaimed rubber and the prescription of combination material thereof.
Technical background
Along with the butylated fast development of the inner tube of a tyre, the butyl inner tube of a tyre of scrapping is more and more, and according to statistics, more than 100 ten thousand tons of butyl inner tubes of a tyre will be scrapped every year in the whole world, how effectively to utilize these discarded butyl inner tubes of a tyre to become the key subjects that various countries' rubber industry circle is paid close attention to.
At present, China produces butyl reclaimed rubber enterprise family more than 30, what produce all is the coventional type butyl reclaimed rubber, the raw material major part that present domestic reclaimed rubber enterprise adopts is the butyl inner tube of a tyre of scrapping, it selects not have strict standard to starting material, just the dynamic digester of employing high temperature that the butyl inner tube of a tyre of purchasing is had after cutting is regenerated, the employing milling machine that has carries out kneading, regenerate by the effect of temperature and shearing force again, its temperature is generally between 180～220 degree, the butyl reclaimed rubber mooney viscosity height of producing, desulfurization is insufficient, the tenderizer that adds in adding production process is General Purpose Rubber oil, and therefore, the product environmental protection index of production does not reach the European Union environmental protection requirement.
In recent years, tire enterprise requires more and more higher to butyl reclaimed rubber, and therefore developing environment-friendly type high intensity power butyl reclaimed rubber becomes enterprise's inevitable choice.
Summary of the invention
The present invention is in order to overcome the problem that prior art exists, and the prescription of a kind of environment-friendly type high intensity power butyl reclaimed rubber production method that provides and combination material thereof, reclaimed rubber product produced according to the invention, have the advantage of powerful height, environmental protection, the hazardous and noxious substances that wherein contains reaches European Union's standard-required fully.
The technical solution used in the present invention is: a kind of environment-friendly type high intensity power butyl reclaimed rubber production method comprises the steps:
The step of selection, pulverizing: select the waste and old butyl inner tube of a tyre of high-quality, powerful more than 9MPa, be ground into sheet;
The sieve step of magnetic separation: select at least 2～4 eye mesh screens to sieve, adopt magnetic separator that the iron wire in the rubber powder that sieves is removed again;
The step that batching stirs: in above-mentioned process is sieved the rubber powder of magnetic separation, add environment-friendly rubber softening agent and strengthening agent, stir, form the combination material;
The step that desulfurization is quenched and got: the aforesaid combination material after stirring is carried out desulfurization by screw extrusion press under high-temperature pressure, quench simultaneously and get the oil of volatilization;
The step of refining: refining on refiner, crossing the roller number of times is at least one time;
The step of filtering: in filter, filter, adopt more than filter net sheet at least 60 orders;
The step of moulding.
Above-mentioned environment-friendly type high intensity power butyl reclaimed rubber production method, wherein: described desulfurization is quenched in the step of getting, and the temperature control of described high temperature is at 230～400 ℃.
Above-mentioned environment-friendly type high intensity power butyl reclaimed rubber production method, wherein: described desulfurization is quenched in the step of getting, the described oil technology of getting of quenching is: connect at the housing of screw extrusion press and connect an oil and draw branch road, rubber is in sweetening process, sizing material is along with the direction of screw spiral flows, the oil part of volatilization flows with the flow direction of sizing material, and another part is drawn branch road by oil and volatilized away, through cooling off, collecting.
Above-mentioned environment-friendly type high intensity power butyl reclaimed rubber production method, wherein: in the described batching step, the described environment-friendly rubber softening agent of adding in rubber powder accounts for 2～5% of described rubber powder weight.
Above-mentioned environment-friendly type high intensity power butyl reclaimed rubber production method, wherein: the environment-friendly rubber softening agent in the described combination material comprises wherein a kind of of paraffin oil, naphthenic oil.
Above-mentioned environment-friendly type high intensity power butyl reclaimed rubber production method, wherein: in the described batching step, the described strengthening agent that adds in rubber powder accounts for 1～2% of described rubber powder weight.
Above-mentioned environment-friendly type high intensity power butyl reclaimed rubber production method, wherein: the strengthening agent in the described combination material comprises in high reinforcement carbon black and the resin wherein a kind of.
A kind of prescription of producing the combination material of environment-friendly type high intensity power butyl reclaimed rubber, be characterized in: described composition material package is drawn together the material of following weight part:
Butyl rubber powder: 100 parts;
Environment-friendly rubber softening agent: 2～5 parts;
Strengthening agent: 1～2 part.
Above-mentioned a kind of prescription of producing the combination material of environment-friendly type high intensity power butyl reclaimed rubber, wherein: described environment-friendly rubber softening agent comprises wherein a kind of of paraffin oil, naphthenic oil.
Above-mentioned a kind of prescription of producing the combination material of environment-friendly type high intensity power butyl reclaimed rubber, wherein: described strengthening agent comprises in high reinforcement carbon black and the resin wherein a kind of.
The present invention is owing to adopted above technical scheme, and the technique effect of its generation is tangible:
1, owing to the isoprene-isobutylene rubber material of selecting high-quality, thereby guarantees the butyl reclaimed rubber quality;
2, owing in regenerative process, be not added with the Rubber Softener of pollution, in regenerative process, increased simultaneously the taking technique of quenching, original oil in the rubber (mainly being aromatic hydrocarbon oil) is quenched and got, both can become rubber oil in the oil that cooling system will volatilize, be used further to General Purpose Rubber production after the collection, starting material are recycled, and make again that polycyclic aromatic hydrocarbon content declines to a great extent in the butyl reclaimed rubber, thereby guarantee that reclaimed rubber further meets the European Union environmental protection laws and regulations requirement;
3, choose carefully by Recipe improvement and starting material, the butyl reclaimed rubber tensile strength of production is stabilized between the 8.5-9.5 MPa, far above tensile strength in the national standard 〉=6.8MPa requirement.
Description of drawings
Fig. 1 is the process flow sheet of environment-friendly type high intensity power butyl reclaimed rubber production method of the present invention.
Embodiment
See also Fig. 1.A kind of environment-friendly type high intensity power of the present invention butyl reclaimed rubber production method comprises the steps:
The step S1 of selection, pulverizing: select the waste and old butyl inner tube of a tyre of high-quality, powerful more than 9MPa, be ground into sheet;
The step S2 of magnetic separation sieves: select at least 2～4 eye mesh screens to sieve, adopt magnetic separator that the iron wire in the rubber powder that sieves is removed again;
The step S3 that batching stirs: in above-mentioned process is sieved the rubber powder of magnetic separation, add environment-friendly rubber softening agent and strengthening agent, stir, form the combination material;
The step S4 that desulfurization is quenched and got: adopt high-temperature pressure desulfurization and oil (mainly being aromatic hydrocarbon oil) to quench and get to the aforesaid combination material after stirring; The temperature control of described high temperature is at 230～400 ℃.This desulfurization is quenched in the step of getting, the described oil technology of getting of quenching is: connect at the housing of screw extrusion press and connect an oil and draw branch road, rubber is in sweetening process, sizing material is along with the direction of screw spiral flows, the oil part of volatilization flows with the flow direction of sizing material, another part is drawn branch road by oil and is volatilized away, through cooling, collection.Concrete technology is: rubber of the present invention is in sweetening process, temperature is higher, reach between 230～400 degree, rubber is in the enclosed space of screw extrusion press, oil will be volatilized in the glue, and (principle is to reach volatilization point between the Rubber Softener 150～230, and rubber could dissolve volatilization more than will reaching 450 degree), because drawing branch road in closed housing body wall perforation connection one oil of screw extrusion press for example is a pipeline, under 230～400 degree high-temperature conditions, when rubber is extruded desulfurization by screw rod, sizing material is along with the direction of screw rod or spiral is mobile, the oil part of volatilization flows with the flow direction of sizing material, another part volatilizees away in pipeline with the duct orientation of offering, and then becomes rubber oil by the oil that cooling system will volatilize, and is used further to General Purpose Rubber production after the collection.Because the oil of volatilization mainly is aromatic hydrocarbon oil, after the aromatic hydrocarbons oil quenching was got, polycyclic aromatic hydrocarbon content declined to a great extent in the butyl reclaimed rubber, realized thereby more be conducive to the product environmental protection index;
The step S5 of refining: refining on refiner, crossing the roller number of times is at least one time;
The step S6 that filters: in filter, filter, adopt more than filter net sheet at least 60 orders;
The step S7 of moulding.
The prescription that the present invention produces the combination material of environment-friendly type high intensity power butyl reclaimed rubber is:
Butyl rubber powder: 100 parts;
Environment-friendly rubber softening agent: 2～5 parts;
Strengthening agent: 1～2 part.
Wherein: described environment-friendly rubber softening agent comprises wherein a kind of of paraffin oil, naphthenic oil; Described strengthening agent comprises in high reinforcement carbon black and the resin wherein a kind of.
For better explanation the technology of the present invention, below, describe the present invention in detail with reference to some embodiment and test conditions, but described embodiment and condition are not meaned, should be understood that limitation of the present invention yet.Any technician in the art is appreciated that, in not departing from the desired spirit and scope of claims of the present invention, all can be used for a variety of modifications and variations, so protection scope of the present invention is with being as the criterion that claims scope is defined.
Embodiment one:
Select the waste and old butyl inner tube of a tyre of 100 parts of high-qualitys, powerfully more than 9MPa, be ground into sheet, select at least that the 2-4 eye mesh screen sieves, and then adopt magnetic separator that the iron wire in the rubber powder that sieves is removed.Add the strengthening agent of 2 parts of environment-friendly rubber softening agent and 2 parts in above-mentioned process is sieved the rubber powder of magnetic separation, among this embodiment, selecting the environment-friendly rubber softening agent is to be made of paraffin oil, and the strengthening agent of selection is to be made of high reinforcement carbon black.Stir then, form the combination material; Adopt high-temperature pressure desulfurization and quenching of oil to get to the aforesaid combination material after stirring, the temperature control of described high temperature is at 400 ℃; Refining on refiner then, crossing the roller number of times is one time; In filter, filter again, adopt more than filter net sheet at least 60 orders; Last moulding.
Embodiment two
Select the waste and old butyl inner tube of a tyre of 100 parts of high-qualitys, powerfully more than 9MPa, be ground into sheet, select at least that the 2-4 eye mesh screen sieves, and then adopt magnetic separator that the iron wire in the rubber powder that sieves is removed.Add the strengthening agent of 5 parts of environment-friendly rubber softening agent and 1 part in above-mentioned process is sieved the rubber powder of magnetic separation, among this embodiment, selecting the environment-friendly rubber softening agent is to be made of naphthenic oil, and selecting strengthening agent is to be made of high reinforced resin.Stir then, form the combination material; Adopt high-temperature pressure desulfurization and quenching of oil to get to the aforesaid combination material after stirring, the temperature control of described high temperature is at 230 ℃; Refining on refiner then, crossing the roller number of times is twice; In filter, filter again, adopt filter net sheet 60 orders; Last moulding.
Embodiment three
Select the waste and old butyl inner tube of a tyre of 100 parts of high-qualitys, powerfully more than 9MPa, be ground into sheet, select at least that the 2-4 eye mesh screen sieves, and then adopt magnetic separator that the iron wire in the rubber powder that sieves is removed.Add the strengthening agent of 4 parts of environment-friendly rubber softening agent and 1.5 parts in above-mentioned process is sieved the rubber powder of magnetic separation, among this embodiment, the environment-friendly rubber softening agent of selection is to be made of naphthenic oil, and the strengthening agent of selection is to be made of high reinforcement carbon black.Stir then, form the combination material; Adopt high-temperature pressure desulfurization and quenching of oil to get to the aforesaid combination material after stirring, the temperature control of described high temperature is at 310 ℃; Refining on refiner then, crossing the roller number of times is one time; In filter, filter again, adopt filter net sheet 70 orders; Last moulding.
The present invention since choose reasonable the waste and old butyl inner tube of a tyre of high-quality, guaranteed raw material quality, adopted the high-temperature pressure reclaiming process to produce simultaneously, the linear molecular chain of rubber does not destroy, thereby effectively guaranteed the powerful index of product, the product tensile strength is stabilized between 8.5～9.5MPa.And owing to used the environment-friendly type tenderizer, pollution-free, particularly do not add the Rubber Softener of high pollution in the regenerative process, simultaneously in the high temperature regeneration process, increased the taking technique of quenching, original high aromatic hydrocarbon substance in the sizing material quenched get, therefore the butyl reclaimed rubber hazardous and noxious substances composition of producing is low, meets the REACH of European Union laws and regulations requirement.
Claims (10)
1. an environment-friendly type high intensity power butyl reclaimed rubber production method is characterized in that: comprise the steps:
The step of selection, pulverizing: select the waste and old butyl inner tube of a tyre of high-quality, powerful more than 9MPa, be ground into sheet;
The sieve step of magnetic separation: select at least 2～4 eye mesh screens to sieve, adopt magnetic separator that the iron wire in the rubber powder that sieves is removed again;
The step that batching stirs: in above-mentioned process is sieved the rubber powder of magnetic separation, add environment-friendly rubber softening agent and strengthening agent, stir, form the combination material;
The step that desulfurization is quenched and got: the aforesaid combination material after stirring is carried out desulfurization by screw extrusion press under high-temperature pressure, quench simultaneously and get the oil of volatilization;
The step of refining: refining on refiner, crossing the roller number of times is at least one time;
The step of filtering: in filter, filter, adopt more than filter net sheet at least 60 orders;
The step of moulding.
2. environment-friendly type high intensity power butyl reclaimed rubber production method according to claim 1 is characterized in that: described desulfurization is quenched in the step of getting, and the temperature control of described high temperature is at 230～400 ℃.
3. environment-friendly type high intensity power butyl reclaimed rubber production method according to claim 1 and 2, it is characterized in that: described desulfurization is quenched in the step of getting, the described oil technology of getting of quenching is: connect at the housing of screw extrusion press and connect an oil and draw branch road, rubber is in sweetening process, sizing material is along with the direction of screw spiral flows, the oil part of volatilization flows with the flow direction of sizing material, and another part is drawn branch road by oil and volatilized away, through cooling off, collecting.
4. environment-friendly type high intensity power butyl reclaimed rubber production method according to claim 1, it is characterized in that: in the described batching step, the described environment-friendly rubber softening agent of adding in rubber powder accounts for 2～5% of described rubber powder weight.
5. according to claim 1 or 4 described environment-friendly type high intensity power butyl reclaimed rubber production methods, it is characterized in that: the environment-friendly rubber softening agent in the described combination material comprises wherein a kind of of paraffin oil, naphthenic oil.
6. environment-friendly type high intensity power butyl reclaimed rubber production method according to claim 1, it is characterized in that: in the described batching step, the described strengthening agent that adds in rubber powder accounts for 1～2% of described rubber powder weight.
7. according to claim 1 or 6 described environment-friendly type high intensity power butyl reclaimed rubber production methods, it is characterized in that: the strengthening agent in the described combination material comprises in high reinforcement carbon black and the resin wherein a kind of.
8. prescription of producing the combination material of environment-friendly type high intensity power butyl reclaimed rubber, it is characterized in that: described composition material package is drawn together the material of following weight part:
Butyl rubber powder: 100 parts;
Environment-friendly rubber softening agent: 2～5 parts;
Strengthening agent: 1～2 part.
9. a kind of prescription of producing the combination material of environment-friendly type high intensity power butyl reclaimed rubber according to claim 8 is characterized in that: described environment-friendly rubber softening agent comprises wherein a kind of of paraffin oil, naphthenic oil.
10. a kind of prescription of producing the combination material of environment-friendly type high intensity power butyl reclaimed rubber according to claim 8 is characterized in that: described strengthening agent comprises in high reinforcement carbon black and the resin wherein a kind of.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103980581A (en) * | 2014-05-23 | 2014-08-13 | 重庆市聚益橡胶制品有限公司 | Method for producing environment-friendly odourless regenerated rubber by utilizing waste and old tires |
| CN104262801A (en) * | 2014-10-13 | 2015-01-07 | 中宏（天津）实业有限公司 | Mixed sulfonated rubber for producing butyl inner tubes and technology for mixed sulfonated rubber |
| CN105328813A (en) * | 2015-11-10 | 2016-02-17 | 徐州工业职业技术学院 | Method for producing environment-friendly high-strength butyl-reclaimed rubber under high-temperature and normal-pressure condition |
| CN104262801B (en) * | 2014-10-13 | 2017-01-04 | 中宏（天津）实业有限公司 | A kind of make the mixing of butyl inner tube and add sulphur glue and technique thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102898676A (en) * | 2012-10-29 | 2013-01-30 | 南通回力橡胶有限公司 | Technology for producing environment-friendly butyl reclaimed rubber |
-
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- 2013-06-19 CN CN2013102432382A patent/CN103275348A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102898676A (en) * | 2012-10-29 | 2013-01-30 | 南通回力橡胶有限公司 | Technology for producing environment-friendly butyl reclaimed rubber |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103980581A (en) * | 2014-05-23 | 2014-08-13 | 重庆市聚益橡胶制品有限公司 | Method for producing environment-friendly odourless regenerated rubber by utilizing waste and old tires |
| CN104262801A (en) * | 2014-10-13 | 2015-01-07 | 中宏（天津）实业有限公司 | Mixed sulfonated rubber for producing butyl inner tubes and technology for mixed sulfonated rubber |
| CN104262801B (en) * | 2014-10-13 | 2017-01-04 | 中宏（天津）实业有限公司 | A kind of make the mixing of butyl inner tube and add sulphur glue and technique thereof |
| CN105328813A (en) * | 2015-11-10 | 2016-02-17 | 徐州工业职业技术学院 | Method for producing environment-friendly high-strength butyl-reclaimed rubber under high-temperature and normal-pressure condition |
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Application publication date: 20130904 |