CN109705395A - A kind of EPDM reclaimed rubber and its manufacturing method - Google Patents
A kind of EPDM reclaimed rubber and its manufacturing method Download PDFInfo
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- CN109705395A CN109705395A CN201811560330.0A CN201811560330A CN109705395A CN 109705395 A CN109705395 A CN 109705395A CN 201811560330 A CN201811560330 A CN 201811560330A CN 109705395 A CN109705395 A CN 109705395A
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- epdm
- rubber
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- scrap rubber
- activator
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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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- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The present invention relates to reclaimed rubber technical field more particularly to a kind of EPDM reclaimed rubber and its manufacturing methods；Using including EPDM scrap rubber, softening agent and activator, the ratio of three is 86:13:1；The EPDM scrap rubber is mainly derived from weather strip for automobile；EPDM reclaimed rubber of the invention, using junked-auto sealing strip as raw material, regenerated resources are subjected to recycling reprocessing, the target of pollution free green environment protection can be reached, and the characteristics such as anti-oxidant, resistance to ozone and high temperature resistant that can be effectively reduced manufacturing cost, and retain the product.
Description
Technical field
The present invention relates to reclaimed rubber technical field more particularly to a kind of EPDM reclaimed rubber and its manufacturing methods.
Background technique
The regeneration of scrap rubber volume has not only recycled the raw rubber high polymer in rubber product, and is utilized simultaneously wherein
Some compounding agents, so that reclaimed rubber is reduced the cost of rubber product；The reclaimed rubber not still substitute of part raw rubber, but also
The product with many special practical performances, it have good plasticity and good performance of technical process, in addition to can and
Raw rubber mixing is outer, moreover it is possible to and the powdery compounding agent being added in sizing material is rapidly absorbed, and is uniformly dispersed in it mutually in sizing material,
Sizing material is set to be minimized temperature rise and power consumption when being kneaded.
Summary of the invention
The technical problems to be solved by the invention are to provide a kind of EPDM for above-mentioned technical deficiency
Reclaimed rubber and its manufacturing method, using including EPDM scrap rubber, softening agent and activator, the ratio of three is 86:13:1；
The EPDM scrap rubber is mainly derived from weather strip for automobile；EPDM reclaimed rubber of the invention, it is close using junked-auto
Strip of paper used for sealing carries out recycling reprocessing as raw material, by regenerated resources, can reach the target of pollution free green environment protection, and can have
Effect reduces manufacturing cost, and the characteristics such as anti-oxidant, resistance to ozone and high temperature resistant for retaining the product.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: including EPDM scrap rubber, softening agent
And activator, the ratio of three are 86:13:1；The EPDM scrap rubber is mainly derived from weather strip for automobile；And ternary
The necessary desulfurizing agent of second the third scrap rubber desulfurization；The desulfurizing agent is nanometer grade super fine calcium carbonate.
The technical program is advanced optimized, the softening agent is coal tar, pine tar, oxidation tall oil, rosin, third fractional oil
Extract and at least one of six line oil extracts and cracked residue.
Advanced optimize the technical program, the activator be tetramethylthiuram disulfide, dibenzothiazyl disulfide,
At least one of De-Link regenerative agent and RV regeneration activator.
The technical program, a kind of manufacturing method of EPDM reclaimed rubber are advanced optimized, step includes:
(1) it cuts glue process: EPDM scrap rubber being cut into machine via conveyer belt investment knife and carries out cutting glue operation, the knife is cut
Machine is crankshaft scissor machine, cuts glue length less than or equal to 25cm；
(2) washing procedure: the EPDM scrap rubber after crankshaft scissors machine-cut is cut is put into rinsing maching via conveyer belt
Portion is washed, and the rinsing maching is tapered cylinder rotary drum rinsing maching, and scrap rubber, which feeds intake, when washing empty keeps uniform amount, taper
The water inlet of cylindrical drum keeps water sufficient；
(3) the EPDM scrap rubber after the washing of tapered cylinder rotary drum rinsing maching pulverizing process: is put into powder via conveyer belt
Broken machine is crushed, and the pulverizer is ditch smooth roll pulverizer, and the fineness of EPDM scrap rubber particle is in 0.9- after crushing
Between 1.1mm, meet the micelle of fineness requirement via conveyer belt by cyclone separator and concentration equipment carry out fiber impurity and
The separation of steel wire, the pulverizer of investment again for not meeting fineness requirement are crushed；
(4) desulfurization process: in proportion after evenly mixing by softening agent and activator, and separator and magnetic separation is divided to fill with through overwinding
It sets the micelle after being screened and prefabricated nanometer grade super fine calcium carbonate is uniformly mixed, then put into rubber via hopper
Desulfurizing machine, the desulfurizing machine are single screw rod EPDM desulfurizing machine, and the softening agent, activator and micelle are in helical feed
It heats in the process, heating temperature is 130 ± 10 DEG C, makes its under normal pressure, hot conditions " regeneration of reverting ", and make generated
Sulfur dioxide flue gas and calcium carbonate occur to chemically react as follows: 2CaCO3+2SO2+O2 → 2CaSO4 ↓+2CO2 ↑；
(5) cooling process: the micelle after rubber devulcanizer desulfurization is cooled down at once, prevents kindling to be carbonized, uses folder
The auger conveyor for leading to cooling oil in set is transported to cooling place, enables it be cooled to 30-40 DEG C, cooling oil is recycled；
(6) refining procedure: carrying out refining by conche via conveyer belt by sizing material after cooling and slice operate, described
The rolling square of conche is 0.1-0.15mm, and film stock thickness 0.2-0.4mm, drum temperature is not higher than 90 DEG C, the film after slice,
Via automatic pitch cutting devices for taking-up, it is cut into equal in magnitude, the blob of viscose of similar weight, to obtain the EPDM regeneration
Glue.
Compared with prior art, the invention has the following advantages that
1, raw material of the invention is mainly derived from the sealing strip of junked-auto, and regenerated resources are carried out recycling reprocessing, Neng Gouda
To the purpose of pollution free green environment protection；
2, the alternative EPDM virgin rubber of EPDM reclaimed rubber manufactured by the present invention is used for high temperature resistant, corrosion resistant rubber system
Product alleviate the phenomenon of the serious scarcity of synthetic rubber, natural rubber；
3, the present invention manufactured by EPDM reclaimed rubber be made through high-temperature pressure desulfurization, maintain ethylene-propylene diene copolymer high temperature resistant,
The performances such as Weather-resistant, corrosion-resistant, to reduce the cost of rubber product.
Detailed description of the invention
Fig. 1 is the reclaimed rubber class and raw material figure of a kind of EPDM reclaimed rubber and its manufacturing method.
Fig. 2 is the reclaimed rubber Visual appearance figure of a kind of EPDM reclaimed rubber and its manufacturing method.
Fig. 3 is the grade and chemistry, physical performance index figure of a kind of EPDM reclaimed rubber and its manufacturing method reclaimed rubber.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured
The concept of invention.
Embodiment 1
The present embodiment provides a kind of EPDM reclaimed rubber and its manufacturing method are as follows:
A kind of EPDM reclaimed rubber, including EPDM scrap rubber, softening agent and activator, the ratio of three are 86:13:1；
The EPDM scrap rubber is mainly derived from weather strip for automobile；And the necessary desulfurizing agent of EPDM scrap rubber desulfurization；Institute
Stating desulfurizing agent is nanometer grade super fine calcium carbonate.
The manufacturing method of EPDM reclaimed rubber is as follows:
(1) it cuts glue process: EPDM scrap rubber being cut into machine via conveyer belt investment knife and carries out cutting glue operation, the knife is cut
Machine is crankshaft scissor machine, cuts glue length less than or equal to 25cm；
(2) washing procedure: the EPDM scrap rubber after crankshaft scissors machine-cut is cut is put into rinsing maching via conveyer belt
Portion is washed, and the rinsing maching is tapered cylinder rotary drum rinsing maching, and scrap rubber, which feeds intake, when washing empty keeps uniform amount, taper
The water inlet of cylindrical drum keeps water sufficient；
(3) the EPDM scrap rubber after the washing of tapered cylinder rotary drum rinsing maching pulverizing process: is put into powder via conveyer belt
Broken machine is crushed, and the pulverizer is ditch smooth roll pulverizer, and the fineness of EPDM scrap rubber particle is in 0.9- after crushing
Between 1.1mm, meet the micelle of fineness requirement via conveyer belt by cyclone separator and concentration equipment carry out fiber impurity and
The separation of steel wire, the pulverizer of investment again for not meeting fineness requirement are crushed；
(4) desulfurization process: in proportion after evenly mixing by softening agent and activator, and separator and magnetic separation is divided to fill with through overwinding
It sets the micelle after being screened and prefabricated nanometer grade super fine calcium carbonate is uniformly mixed, then put into rubber via hopper
Desulfurizing machine, the desulfurizing machine are single screw rod EPDM desulfurizing machine, and the softening agent, activator and micelle are in helical feed
It heats in the process, heating temperature is 130 ± 10 DEG C, makes its under normal pressure, hot conditions " regeneration of reverting ", and make generated
Sulfur dioxide flue gas and calcium carbonate occur to chemically react as follows: 2CaCO3+2SO2+O2 → 2CaSO4 ↓+2CO2 ↑；
(5) cooling process: the micelle after rubber devulcanizer desulfurization is cooled down at once, prevents kindling to be carbonized, uses folder
The auger conveyor for leading to cooling oil in set is transported to cooling place, enables it be cooled to 30-40 DEG C, cooling oil is recycled；
(6) refining procedure: carrying out refining by conche via conveyer belt by sizing material after cooling and slice operate, described
The rolling square of conche is 0.1-0.15mm, and film stock thickness 0.2-0.4mm, drum temperature is not higher than 90 DEG C, the film after slice,
Via automatic pitch cutting devices for taking-up, it is cut into equal in magnitude, the blob of viscose of similar weight, to obtain the EPDM regeneration
Glue.
The properties of reclaimed rubber prepared by embodiment 1 are tested, as a result as shown in Figs. 1-3.
From Fig. 1-3 as it can be seen that reclaimed rubber performance prepared by embodiment 1 is better than standard GB/T/T13460- in the present invention
The content of 92 defineds, and the raw material of this EPDM reclaimed rubber is mainly abandoned car sealing strip, such raw material sources
Extensively, regenerated resources are subjected to recycling reprocessing, that is, reduce production cost, and do not influence the high temperature resistant of reclaimed rubber, resistance to weather
The performances such as aging, corrosion-resistant, and meet the productive target of pollution free green environment protection.
Control mode of the invention is automatically controlled by controller, the skill that the control circuit of controller passes through this field
Art personnel's simple programming can be realized, and belong to the common knowledge of this field, and the present invention is mainly used to protect mechanical setting, institute
Control mode and circuit connection are not explained with the present invention.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing
Change example.
Claims (4)
1. a kind of EPDM reclaimed rubber, it is characterised in that: including EPDM scrap rubber, softening agent and activator, three's
Ratio is 86:13:1；The EPDM scrap rubber is mainly derived from weather strip for automobile；And EPDM scrap rubber desulfurization must
The desulfurizing agent wanted；The desulfurizing agent is nanometer grade super fine calcium carbonate.
2. a kind of EPDM reclaimed rubber according to claim 1, it is characterised in that: the softening agent is coal tar, pine
Tar, oxidation tall oil, rosin, third fractional oil extract and at least one of six line oil extracts and cracked residue.
3. a kind of EPDM reclaimed rubber according to claim 1, it is characterised in that: the activator is curing tetramethyl
At least one of base thiuram, dibenzothiazyl disulfide, De-Link regenerative agent and RV regeneration activator.
4. a kind of manufacturing method of EPDM reclaimed rubber according to claim 1 to 3, it is characterised in that: step
Suddenly include:
(1) it cuts glue process: EPDM scrap rubber being cut into machine via conveyer belt investment knife and carries out cutting glue operation, the knife cuts machine
For crankshaft scissor machine, glue length is cut less than or equal to 25cm；
(2) washing procedure: the EPDM scrap rubber after crankshaft scissors machine-cut is cut is put into rinsing maching via conveyer belt
Portion is washed, and the rinsing maching is tapered cylinder rotary drum rinsing maching, and scrap rubber, which feeds intake, when washing empty keeps uniform amount, taper
The water inlet of cylindrical drum keeps water sufficient；
(3) the EPDM scrap rubber after the washing of tapered cylinder rotary drum rinsing maching pulverizing process: is put into powder via conveyer belt
Broken machine is crushed, and the pulverizer is ditch smooth roll pulverizer, and the fineness of EPDM scrap rubber particle is in 0.9- after crushing
Between 1.1mm, meet the micelle of fineness requirement via conveyer belt by cyclone separator and concentration equipment carry out fiber impurity and
The separation of steel wire, the pulverizer of investment again for not meeting fineness requirement are crushed；
(4) desulfurization process: in proportion after evenly mixing by softening agent and activator, and divide separator and concentration equipment with through overwinding
Micelle and prefabricated nanometer grade super fine calcium carbonate after being screened uniformly are mixed, then de- via hopper investment rubber
Sulphur machine, the desulfurizing machine are single screw rod EPDM desulfurizing machine, the mistake of the softening agent, activator and micelle in helical feed
It is heated in journey, heating temperature is 130 ± 10 DEG C, makes its under normal pressure, hot conditions " regeneration of reverting ", and make generated two
Following chemical reaction: 2CaCO occurs for sulfur oxide flue gas and calcium carbonate3+2SO2+O2→2CaSO4↓+2CO2↑；
(5) cooling process: the micelle after rubber devulcanizer desulfurization is cooled down at once, prevents kindling to be carbonized, uses folder
The auger conveyor for leading to cooling oil in set is transported to cooling place, enables it be cooled to 30-40 DEG C, cooling oil is recycled；
(6) refining procedure: refining is carried out by conche via conveyer belt by sizing material after cooling and slice operates, the essence
The rolling square of mill is 0.1-0.15mm, and film stock thickness 0.2-0.4mm, drum temperature is not higher than 90 DEG C, the film after slice, warp
By automatic pitch cutting devices for taking-up, it is cut into equal in magnitude, the blob of viscose of similar weight, to obtain the EPDM regeneration
Glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811560330.0A CN109705395A (en) | 2018-12-20 | 2018-12-20 | A kind of EPDM reclaimed rubber and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811560330.0A CN109705395A (en) | 2018-12-20 | 2018-12-20 | A kind of EPDM reclaimed rubber and its manufacturing method |
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| Publication Number | Publication Date |
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| CN109705395A true CN109705395A (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811560330.0A Pending CN109705395A (en) | 2018-12-20 | 2018-12-20 | A kind of EPDM reclaimed rubber and its manufacturing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111116981A (en) * | 2019-12-11 | 2020-05-08 | 肇庆国立新材料有限公司 | Controllable desulfurization process of EPDM rubber |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0734077A (en) * | 1993-07-21 | 1995-02-03 | Satake Giken Kk | Production of cellulose-containing fuel composition |
| CN102030934A (en) * | 2009-09-30 | 2011-04-27 | 陈汇宏 | Heat regeneration method for waste rubber |
| 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 |
-
2018
- 2018-12-20 CN CN201811560330.0A patent/CN109705395A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0734077A (en) * | 1993-07-21 | 1995-02-03 | Satake Giken Kk | Production of cellulose-containing fuel composition |
| CN102030934A (en) * | 2009-09-30 | 2011-04-27 | 陈汇宏 | Heat regeneration method for waste rubber |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111116981A (en) * | 2019-12-11 | 2020-05-08 | 肇庆国立新材料有限公司 | Controllable desulfurization process of EPDM rubber |
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Application publication date: 20190503 |