CN103849017A - Preparation method of tire reclaimed rubber - Google Patents
Preparation method of tire reclaimed rubber Download PDFInfo
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- CN103849017A CN103849017A CN201410073732.3A CN201410073732A CN103849017A CN 103849017 A CN103849017 A CN 103849017A CN 201410073732 A CN201410073732 A CN 201410073732A CN 103849017 A CN103849017 A CN 103849017A
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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
Abstract
The invention discloses a preparation method of tire reclaimed rubber. The preparation method comprises the steps of breaking, desulfurizing and refining, wherein auxiliaries added in the desulfurizing step are as follows: 10 parts of rosin, 1 part of activator, 5 parts of tall oil, 5 parts of regenerant, 2 parts of argil, 5 parts of calcium carbonate, 5 parts of bran oleic acid, 3 parts of polyvinyl alcohol, 5 parts of stearic acid and 2 parts of a titanate coupling agent. The preparation method is characterized in that technological parameters in the production process of the reclaimed rubber are optimized and the formula of the auxiliaries are optimized simultaneously, so that the strength of the reclaimed rubber is improved and the tensile strength and the elongation at break of the product are greatly improved, and therefore, the properties of the reclaimed rubber are improved.
Description
Technical field
The present invention relates to the preparation technology of waste recovery, be specifically related to a kind of preparation method of whole-tyre reclaim.
Background technology
The quantity of waste old material is only second to plastic waste in spent high molecular material, and wherein doughnut whole world year learies is more than 1,000,000,000, and China is at 5000 ~ 60,000,000.The recycling of waste old is taking damaged tire as main, and other also comprises scrap rubber footwear and the inner tube of a tyre etc., and the utilization of waste rubber is conducive to protection of the environment, realizes the recycling of resource, is conducive to socioeconomic Sustainable development.
At present, conventional regeneration glue intensity is in about 8MPa, only can in low-grade rubber product, apply or directly be used for preparing reclaimed rubber.Existing technique for regenerated rubber flow process is varied, all needs to add auxiliary material, generally comprises activator, rosin, tenderizer etc. in auxiliary material.But existing production technique falls behind, and the quality product of production is lower.
In order to solve above-mentioned deficiency of the prior art, the present invention proposes a kind of new solution.
Summary of the invention
The object of this invention is to provide the preparation method of the whole-tyre reclaim that a kind of tensile strength is large.
For reaching above-mentioned purpose, the technical solution adopted in the present invention is: a kind of preparation method of whole-tyre reclaim is provided, comprises the following steps:
Step 1, the junked tire of collection or tube are carried out to coarse crushing, magnetic separation, in small, broken bits, magnetic separation, obtain 20 object tyre rubber powder;
Step 2, rubber powder mix under normal temperature condition with auxiliary material, the mass ratio of auxiliary material and rubber powder is 1:10, and described auxiliary material comprises 2 parts of 5 parts, 2 parts, 5 parts of 5 parts of 1 part, 10 parts of rosin, activator, Yatall MAs, regenerators, potter's clay, calcium carbonate by weight ratio, 5 parts of oil extracted from rice husks acid, 3 parts of polyvinyl alcohol, 5 parts of stearic acid and titanate coupling agents;
Then drop into and be equipped with in advance in the digester of water, passing into high-temperature steam makes pressure in tank remain on 1.5MPa, heating thermal oil, make temperature in tank reach 140 DEG C, and constant temperature 30 minutes with this understanding, then by heat-conducting oil heating to 220 DEG C, pressure remains on 2.5MPa, stir after 1h steam in drain tank, rapidly cooling go out tank;
Step 3, refining, pass through mill and refiner successively by the sizing material after desulfurization, and refining finishes rear cooling storage.
Wherein, the roll spacing of mill mixer roller is from being 1 ~ 3mm, and roller temperature is 50 ~ 70 DEG C; The roll spacing of refiner is from being 0.2mm ~ 0.4mm, and roller temperature is at 60 DEG C ~ 90 DEG C.
In the present invention, described regenerator is pentachlorothiophenol, and activator is activator 480, the preferred boccaro of potter's clay.
In sum, the present invention has the following advantages:
The present invention, by the processing parameter in reclaimed rubber production process is optimized, is optimized the formula of auxiliary material simultaneously, and then the intensity of reclaimed rubber is improved, and tensile strength and the elongation rate of tensile failure of product improve greatly, and the performance of reclaimed rubber is improved.
Embodiment
Embodiment 1
The junked tire of collection or tube are carried out to coarse crushing, magnetic separation, in small, broken bits, magnetic separation, obtain 20 object tyre rubber powder.Get 100kg rubber powder and mix under normal temperature condition with 10kg auxiliary material, auxiliary material comprises 2 parts of 5 parts, 2 parts, 5 parts of 5 parts of 1 part, 10 parts of rosin, activator, Yatall MAs, regenerators, potter's clay, calcium carbonate by weight ratio, 5 parts of oil extracted from rice husks acid, 3 parts of polyvinyl alcohol, 5 parts of stearic acid and titanate coupling agents.
Then drop into and be equipped with in advance in the digester of water, passing into high-temperature steam makes pressure in tank remain on 1.5MPa, heating thermal oil, make temperature in tank reach 140 DEG C, and constant temperature 30 minutes with this understanding, then by heat-conducting oil heating to 220 DEG C, pressure remains on 2.5MPa, stir after 1h steam in drain tank, rapidly cooling go out tank.
Sizing material after desulfurization is passed through to mill and refiner successively, and refining finishes rear cooling storage.
Embodiment 2
The junked tire of collection or tube are carried out to coarse crushing, magnetic separation, in small, broken bits, magnetic separation, obtain 20 object tyre rubber powder.Get 100kg rubber powder and mix under normal temperature condition with 10kg auxiliary material, auxiliary material comprises 2 parts of 5 parts of 5 parts of 1 part, 10 parts of rosin, activator, Yatall MAs, regenerators by weight ratio, 5 parts of oil extracted from rice husks acid, 3 parts of polyvinyl alcohol, 5 parts of stearic acid and titanate coupling agents.
Then drop into and be equipped with in advance in the digester of water, passing into high-temperature steam makes pressure in tank remain on 1.5MPa, heating thermal oil, make temperature in tank reach 140 DEG C, and constant temperature 30 minutes with this understanding, then by heat-conducting oil heating to 220 DEG C, pressure remains on 2.5MPa, stir after 1h steam in drain tank, rapidly cooling go out tank.
Sizing material after desulfurization is passed through to mill and refiner successively, and refining finishes rear cooling storage.
Embodiment 3
The junked tire of collection or tube are carried out to coarse crushing, magnetic separation, in small, broken bits, magnetic separation, obtain 20 object tyre rubber powder.Get 100kg rubber powder and mix under normal temperature condition with 10kg auxiliary material, auxiliary material comprises 2 parts of 5 parts of 5 parts, 2 parts, 5 parts of 5 parts of 1 part, 10 parts of rosin, activator, Yatall MAs, regenerators, potter's clay, calcium carbonate, stearic acid by weight ratio and titanate coupling agents.
Then drop into and be equipped with in advance in the digester of water, passing into high-temperature steam makes pressure in tank remain on 1.5MPa, heating thermal oil, make temperature in tank reach 140 DEG C, and constant temperature 30 minutes with this understanding, then by heat-conducting oil heating to 220 DEG C, pressure remains on 2.5MPa, stir after 1h steam in drain tank, rapidly cooling go out tank.
Sizing material after desulfurization is passed through to mill and refiner successively, and refining finishes rear cooling storage.
Embodiment 4
The junked tire of collection or tube are carried out to coarse crushing, magnetic separation, in small, broken bits, magnetic separation, obtain 20 object tyre rubber powder.Get 100kg rubber powder and mix under normal temperature condition with 10kg auxiliary material, auxiliary material comprises 5 parts, 2 parts, 5 parts of 5 parts of 1 part, 10 parts of rosin, activator, Yatall MAs, regenerators, potter's clay, calcium carbonate, 5 parts of oil extracted from rice husks acid, 3 parts of polyvinyl alcohol by weight ratio.
Then drop into and be equipped with in advance in the digester of water, passing into high-temperature steam makes pressure in tank remain on 1.5MPa, heating thermal oil, make temperature in tank reach 140 DEG C, and constant temperature 30 minutes with this understanding, then by heat-conducting oil heating to 220 DEG C, pressure remains on 2.5MPa, stir after 1h steam in drain tank, rapidly cooling go out tank.
Sizing material after desulfurization is passed through to mill and refiner successively, and refining finishes rear cooling storage.
Embodiment 5
The junked tire of collection or tube are carried out to coarse crushing, magnetic separation, in small, broken bits, magnetic separation, obtain 20 object tyre rubber powder.Get 100kg rubber powder and mix under normal temperature condition with 10kg auxiliary material, auxiliary material comprises 2 parts of 5 parts, 5 parts of 5 parts of 1 part, 10 parts of rosin, activator, Yatall MAs, regenerators, calcium carbonate by weight ratio, 5 parts of oil extracted from rice husks acid and titanate coupling agents.
Then drop into and be equipped with in advance in the digester of water, passing into high-temperature steam makes pressure in tank remain on 1.5MPa, heating thermal oil, make temperature in tank reach 140 DEG C, and constant temperature 30 minutes with this understanding, then by heat-conducting oil heating to 220 DEG C, pressure remains on 2.5MPa, stir after 1h steam in drain tank, rapidly cooling go out tank.
Sizing material after desulfurization is passed through to mill and refiner successively, and refining finishes rear cooling storage.
Embodiment 6
The junked tire of collection or tube are carried out to coarse crushing, magnetic separation, in small, broken bits, magnetic separation, obtain 20 object tyre rubber powder.Get 100kg rubber powder and mix under normal temperature condition with 10kg auxiliary material, auxiliary material comprises 5 parts of 1 part, 10 parts of rosin, activator, Yatall MAs, 5 parts of regenerators by weight ratio.
Then drop into and be equipped with in advance in the digester of water, passing into high-temperature steam makes pressure in tank remain on 1.5MPa, heating thermal oil, make temperature in tank reach 140 DEG C, and constant temperature 30 minutes with this understanding, then by heat-conducting oil heating to 220 DEG C, pressure remains on 2.5MPa, stir after 1h steam in drain tank, rapidly cooling go out tank.
Sizing material after desulfurization is passed through to mill and refiner successively, and refining finishes rear cooling storage.
Adopt elongation rate of tensile failure and the tensile strength of GB to regenerated rubber to detect the product in embodiment 1 to embodiment 6, the minimum elongation rate of tensile failure of the reclaimed rubber in embodiment 1 to embodiment 6 is respectively: 495%, 462%, 475%, 470%, 482% and 342%, and the minimum tensile strength of reclaimed rubber is respectively 18.5MPa, 17.5 MPa, 16.3 MPa, 16.8 MPa, 17.8 MPa and 13.5 MPa.
In the present invention, compared with traditional complete processing, the component of auxiliary material is optimized, and can find out from tensile strength and elongation rate of tensile failure, and the embodiment that has added potter's clay, calcium carbonate, oil extracted from rice husks acid, polyvinyl alcohol, stearic acid and titanate coupling agent is higher than the intensity of embodiment 6.Illustrate that the present invention, compared with traditional accessory formula, has a significant effect.
Claims (4)
1. a preparation method for whole-tyre reclaim, comprises the following steps:
Step 1, the junked tire of collection or tube are carried out to coarse crushing, magnetic separation, in small, broken bits, magnetic separation, obtain 20 object tyre rubber powder;
Step 2, rubber powder mix under normal temperature condition with auxiliary material, the mass ratio of auxiliary material and rubber powder is 1:10, and described auxiliary material comprises 2 parts of 5 parts, 2 parts, 5 parts of 5 parts of 1 part, 10 parts of rosin, activator, Yatall MAs, regenerators, potter's clay, calcium carbonate by weight ratio, 5 parts of oil extracted from rice husks acid, 3 parts of polyvinyl alcohol, 5 parts of stearic acid and titanate coupling agents;
Then drop into and be equipped with in advance in the digester of water, passing into high-temperature steam makes pressure in tank remain on 1.5MPa, heating thermal oil, make temperature in tank reach 140 DEG C, and constant temperature 30 minutes with this understanding, then by heat-conducting oil heating to 220 DEG C, pressure remains on 2.5MPa, stir after 1h steam in drain tank, rapidly cooling go out tank;
Step 3, refining, pass through mill and refiner successively by the sizing material after desulfurization, and refining finishes rear cooling storage.
2. the preparation method of whole-tyre reclaim as claimed in claim 1, is characterized in that: the roll spacing of described mill mixer roller is from being 1 ~ 3mm, and roller temperature is 50 ~ 70 DEG C; The roll spacing of refiner is from being 0.2mm ~ 0.4mm, and roller temperature is at 60 DEG C ~ 90 DEG C.
3. the preparation method of whole-tyre reclaim as claimed in claim 1, is characterized in that: described regenerator is pentachlorothiophenol.
4. the preparation method of whole-tyre reclaim as claimed in claim 1, is characterized in that: described activator is activator 480.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410073732.3A CN103849017B (en) | 2014-03-03 | 2014-03-03 | A kind of preparation method of whole-tyre reclaim |
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| CN201410073732.3A CN103849017B (en) | 2014-03-03 | 2014-03-03 | A kind of preparation method of whole-tyre reclaim |
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| CN103849017A true CN103849017A (en) | 2014-06-11 |
| CN103849017B CN103849017B (en) | 2015-08-26 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104277240A (en) * | 2014-08-06 | 2015-01-14 | 山东舜合胶业有限公司 | Green reclaimed rubber of radial tyre and preparation method of green reclaimed rubber |
| CN104710648A (en) * | 2015-03-18 | 2015-06-17 | 成都东唐金开科技有限公司 | Preparation method of tyre reclaim |
| CN104893054A (en) * | 2015-06-25 | 2015-09-09 | 司徒建辉 | Auxiliary for regenerated rubber tire tubes |
| CN105295148A (en) * | 2015-10-28 | 2016-02-03 | 贵州安泰再生资源科技有限公司 | Method for preparing reclaimed rubber through waste tire |
| CN107266707A (en) * | 2017-06-06 | 2017-10-20 | 安徽圣源橡塑科技有限公司 | It is a kind of to activate the technique that shoddy prepares high-performance reclaimed rubber |
| US10179479B2 (en) | 2015-05-19 | 2019-01-15 | Bridgestone Americas Tire Operations, Llc | Plant oil-containing rubber compositions, tread thereof and race tires containing the tread |
| CN110204808A (en) * | 2019-06-05 | 2019-09-06 | 禄丰航宇工贸有限责任公司 | A kind of modified rubber and preparation method thereof recycling waste rubber tire |
| CN111100344A (en) * | 2019-12-23 | 2020-05-05 | 宁波市骏凯橡胶工贸有限公司 | Tread rubber for dune buggy tire |
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| CN101735499A (en) * | 2009-12-09 | 2010-06-16 | 汪联全 | Fragrant environment-friendly tasteless reclaimed rubber and preparation process thereof |
| CN102634062A (en) * | 2012-04-28 | 2012-08-15 | 徐州工业职业技术学院 | Method for preparing high-tenacity reclaimed rubber by adding coupling agent |
| CN103012894A (en) * | 2012-11-21 | 2013-04-03 | 金湖晋祥橡塑科技有限公司 | Reclaimed superglue and production method thereof |
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2014
- 2014-03-03 CN CN201410073732.3A patent/CN103849017B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101735499A (en) * | 2009-12-09 | 2010-06-16 | 汪联全 | Fragrant environment-friendly tasteless reclaimed rubber and preparation process thereof |
| CN102634062A (en) * | 2012-04-28 | 2012-08-15 | 徐州工业职业技术学院 | Method for preparing high-tenacity reclaimed rubber by adding coupling agent |
| CN103012894A (en) * | 2012-11-21 | 2013-04-03 | 金湖晋祥橡塑科技有限公司 | Reclaimed superglue and production method thereof |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104277240A (en) * | 2014-08-06 | 2015-01-14 | 山东舜合胶业有限公司 | Green reclaimed rubber of radial tyre and preparation method of green reclaimed rubber |
| CN104710648A (en) * | 2015-03-18 | 2015-06-17 | 成都东唐金开科技有限公司 | Preparation method of tyre reclaim |
| US10179479B2 (en) | 2015-05-19 | 2019-01-15 | Bridgestone Americas Tire Operations, Llc | Plant oil-containing rubber compositions, tread thereof and race tires containing the tread |
| CN104893054A (en) * | 2015-06-25 | 2015-09-09 | 司徒建辉 | Auxiliary for regenerated rubber tire tubes |
| CN105295148A (en) * | 2015-10-28 | 2016-02-03 | 贵州安泰再生资源科技有限公司 | Method for preparing reclaimed rubber through waste tire |
| CN105295148B (en) * | 2015-10-28 | 2017-06-16 | 贵州安泰再生资源科技有限公司 | A kind of junked tire prepares regeneration gluing method |
| CN107266707A (en) * | 2017-06-06 | 2017-10-20 | 安徽圣源橡塑科技有限公司 | It is a kind of to activate the technique that shoddy prepares high-performance reclaimed rubber |
| CN110204808A (en) * | 2019-06-05 | 2019-09-06 | 禄丰航宇工贸有限责任公司 | A kind of modified rubber and preparation method thereof recycling waste rubber tire |
| CN111100344A (en) * | 2019-12-23 | 2020-05-05 | 宁波市骏凯橡胶工贸有限公司 | Tread rubber for dune buggy tire |
| CN111100344B (en) * | 2019-12-23 | 2022-03-18 | 宁波市骏凯橡胶工贸有限公司 | Tread rubber for dune buggy tire |
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| CN103849017B (en) | 2015-08-26 |
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Effective date of registration: 20160726 Address after: 621100 Sichuan Ya'an Industrial Park Patentee after: Ya'an Sichuan Haiyan Rubber Co., Ltd. Address before: 642150 Sichuan city of Neijiang province Longchang County town of Deng Long Road Golden Goose Patentee before: Haiyan Rubber Co., Ltd., Longchang, Sichuan |
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