CN103435920A - Method for producing recycled-ethylene-propylene-terpolymer-rubber seal strip - Google Patents
Method for producing recycled-ethylene-propylene-terpolymer-rubber seal strip Download PDFInfo
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- CN103435920A CN103435920A CN2013104005955A CN201310400595A CN103435920A CN 103435920 A CN103435920 A CN 103435920A CN 2013104005955 A CN2013104005955 A CN 2013104005955A CN 201310400595 A CN201310400595 A CN 201310400595A CN 103435920 A CN103435920 A CN 103435920A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
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- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a method for producing a recycled-ethylene-propylene-terpolymer-rubber seal strip, relating to the technical field of rubber seal materials. The seal strip is characterized by being prepared from the following blended ingredients in parts by mass: 85 parts of recycled ethylene propylene terpolymer rubber, 5-9 parts of carbon black, 1.3-1.8 parts of zinc oxide, 1.3-1.7 parts of polyethylene glycol (PEG-4000), 0.6-0.8 part of stearic acid, 0.3-0.5 part of sulfur, 1.3-1.4 parts of accelerator, 0.3-0.5 part of morpholine disulfide and 1.5-2.5 parts of calcium oxide, wherein the accelerator comprises the following ingredients in content: 40% of 2-mercaptobenzothiazole, 40% of zinc dibutyl dithiocarbamate, 10% of tetra-n-butyl thiuram disulfide and 10% of ethylene propylene terpolymer rubber. The produced product has the advantages that the tensile strength is high, the extensibility is good, the high and low-temperature resistance is good, and indicators can meet the requirements of the seal strip on use performance; the production process is simple, the cost can be reduced due to the adoption of recycled rubber, and the recycling of waste and old rubber is realized.
Description
Technical field
The present invention relates to the rubber packing material technical field.
Background technology
Ethylene Propylene Terpolymer is the terpolymer of ethene, propylene and non-conjugated diene hydrocarbon, and its main polymer chain is fully saturated, and this makes Ethylene Propylene Terpolymer can resist heat, light, oxygen, especially ozone; Ethylene Propylene Terpolymer is non-polar in essence, and polar solvent and chemicals are had to resistance, and water-intake rate is low, has good insulation characterisitic; Ethylene Propylene Terpolymer is a kind of rubber that density is lower, can absorb a large amount of fillers and oil and influencing characteristic is little.The Ethylene Propylene Terpolymer reclaimed rubber is to utilize useless ethylene-propylene diene copolymer goods, through the dynamic desulfurization of High Temperature High Pressure, the desulfurization of High Temperature High Pressure milling machine or normal temperature chemical desulfurization, make, it has kept that ethylene-propylene diene copolymer is high temperature resistant, Weather-resistant, the superior performance such as corrosion-resistant, alternative Ethylene Propylene Terpolymer virgin rubber is for high temperature resistant, corrosion resistant rubber item, alleviate the phenomenon of the serious scarcity of synthetic rubber, natural rubber, can reduce the cost of rubber item simultaneously; Make on the other hand waste old realize recycling, solved the problem of waste old contaminate environment.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of production method of ethylene-propylene diene reclaimed rubber sealed strip, the products made thereby tensile strength is high, good-extensibility, good high and low temperature resistance is arranged, its index can meet the use properties requirement of sealed strip, and production technique is simple, use reclaimed rubber to reduce costs, realize recycling of waste old.
For solving the problems of the technologies described above, the technical solution used in the present invention is a kind of production method of ethylene-propylene diene reclaimed rubber sealed strip, comprise batching, mixing, open refining, extrude, sulfuration, the operation such as cooling, it is characterized in that furnish component and mass fraction are as follows:
85 parts of Ethylene Propylene Terpolymer reclaimed rubbers
Carbon black 5-9 part
Zinc oxide 1.3-1.8 part
Polyoxyethylene glycol (PEG-4000) 1.3-1.7 part
Stearic acid 0.6-0.8 part
Sulphur 0.3-0.5 part
Promotor 1.3-1.4 part
Dimorpholinyl disulfide 0.3-0.5 part
Calcium oxide 1.5-2.5 part
The component of described promotor and content are: 2-thiol benzothiazole 40%, zinc dibutyl dithiocarbamate 40%, curing tetra-n-butyl thiuram 10%, terpolymer EP rubber 10%.
Described production process and condition are:
(1) mixing: weighted raw material is uniformly mixed in the high-temperature stirring pot, and temperature enters Banbury mixer and carries out banburying after arriving 70 ℃, and regulating Banbury mixer pressure is 0.7-0.8Mpa, and mixing time is 10 minutes, binder removal when the rubber unvulcanizate temperature reaches 130 ℃.
(2) compressing tablet: in mill, that the rubber unvulcanizate compressing tablet is cooling, clearance between roll 0.2mm wherein, sheet thickness 10mm-13mm, width 100mm-130mm.
(3) extrude: the extruder temperature of forcing machine is set as 40 ℃, intake zone temperature 50 C, 60 ℃, 2nd district, 60 ℃, 3rd district, 60 ℃ of head temperatures, and 30～70 rev/mins of extruded velocities, press the designing mould extruded product.
(4) sulfuration: adopt microwave heating, curing temperature is set as 220 ℃, curing time 2 minutes.
(5) cooling: that the product vulcanizated is finalized the design through cold rinse bank.
The beneficial effect that adopts technique scheme to produce is: a kind of production method of ethylene-propylene diene reclaimed rubber sealed strip, the products made thereby tensile strength is high, good-extensibility, good high and low temperature resistance is arranged, its index can meet the use properties requirement of sealed strip, and production technique is simple, use reclaimed rubber to reduce costs, realize recycling of waste old.
Embodiment
Embodiment 1:
A kind of production method of ethylene-propylene diene reclaimed rubber sealed strip is characterized in that its feed composition and mass fraction are as follows:
85 parts of Ethylene Propylene Terpolymer reclaimed rubbers
7 parts of carbon blacks
1.5 parts, zinc oxide
1.5 parts of polyoxyethylene glycol (PEG-4000)
0.7 part of stearic acid
0.4 part, sulphur
1.5 parts of promotor
0.4 part of dimorpholinyl disulfide
2 parts, calcium oxide
Described promotor composition is 2-thiol benzothiazole 40%, zinc dibutyl dithiocarbamate 40%, curing tetra-n-butyl thiuram 10%, terpolymer EP rubber 10%.
The production process of the present embodiment and condition are:
(1) batching: according to above-mentioned formula raw materials weighing weight respectively, batching weighing needs accurately really to 1 gram;
(2) mixing: weighted raw material is uniformly mixed in the high-temperature stirring pot, and temperature enters Banbury mixer and carries out banburying after arriving 70 ℃, and regulating Banbury mixer pressure is 0.7-0.8Mpa, and mixing time is 10 minutes, binder removal when the rubber unvulcanizate temperature reaches 130 ℃.
(3) compressing tablet: in mill, that the rubber unvulcanizate compressing tablet is cooling, clearance between roll 0.2mm wherein, sheet thickness 10mm-13mm, width 100mm-130mm.
(4) extrude: the extruder temperature of forcing machine is set as 40 ℃, intake zone temperature 50 C, 60 ℃, 2nd district, 60 ℃, 3rd district, 60 ℃ of head temperatures, and 30～70 rev/mins of extruded velocities, press the designing mould extruded product.
(5) sulfuration: adopt microwave heating, curing temperature is set as 220 ℃, curing time 2 minutes.
(6) cooling: that the product vulcanizated is finalized the design through cold rinse bank.
(7) draw, beat dish, packing.
Embodiment 2:
Be that from the difference of embodiment mono-mass fraction of feed composition is different, the mass fraction that the present embodiment raw material forms is:
85 parts of Ethylene Propylene Terpolymer reclaimed rubbers
5.5 parts of carbon blacks
1.3 parts, zinc oxide
1.3 parts of polyoxyethylene glycol (PEG-4000)
0.6 part of stearic acid
0.4 part, sulphur
1.4 parts of promotor
0.3 part of dimorpholinyl disulfide
1.7 parts, calcium oxide
Embodiment 2:
Be that from the difference of embodiment mono-mass fraction of feed composition is different, the mass fraction that the present embodiment raw material forms is:
85 parts of Ethylene Propylene Terpolymer reclaimed rubbers
5.5 parts of carbon blacks
1.3 parts, zinc oxide
1.3 parts of polyoxyethylene glycol (PEG-4000)
0.6 part of stearic acid
0.4 part, sulphur
1.4 parts of promotor
0.3 part of dimorpholinyl disulfide
1.7 parts, calcium oxide
Embodiment 3:
Be that from the difference of embodiment mono-mass fraction of feed composition is different, the mass fraction that the present embodiment raw material forms is:
85 parts of Ethylene Propylene Terpolymer reclaimed rubbers
8.5 parts of carbon blacks
1.8 parts, zinc oxide
1.7 parts of polyoxyethylene glycol (PEG-4000)
0.8 part of stearic acid
0.5 part, sulphur
1.4 parts of promotor
0.5 part of dimorpholinyl disulfide
2.3 parts, calcium oxide
The performance perameter of the made sealed strip of each embodiment sees the following form 1.
The performance perameter of each embodiment sealed strip of table 1
Claims (4)
1. the production method of an ethylene-propylene diene reclaimed rubber sealed strip, comprise batching, mixing, open refining, extrude, sulfuration, the production process such as cooling, it is characterized in that furnish component and mass fraction are as follows:
85 parts of Ethylene Propylene Terpolymer reclaimed rubbers
Carbon black 5-9 part
Zinc oxide 1.3-1.8 part
Polyoxyethylene glycol (PEG-4000) 1.3-1.7 part
Stearic acid 0.6-0.8 part
Sulphur 0.3-0.5 part
Promotor 1.3-1.4 part
Dimorpholinyl disulfide 0.3-0.5 part
Calcium oxide 1.5-2.5 part.
2. the production method of a kind of ethylene-propylene diene reclaimed rubber sealed strip as claimed in claim 1, is characterized in that the component of promotor and content are: 2-thiol benzothiazole 40%, zinc dibutyl dithiocarbamate 40%, curing tetra-n-butyl thiuram 10%, terpolymer EP rubber 10%.
3. the production method of a kind of ethylene-propylene diene reclaimed rubber sealed strip as claimed in claim 1 or 2 is characterized in that furnish component and mass fraction are as follows:
85 parts of Ethylene Propylene Terpolymer reclaimed rubbers
7 parts of carbon blacks
1.5 parts, zinc oxide
1.5 parts of polyoxyethylene glycol (PEG-4000)
0.7 part of stearic acid
0.4 part, sulphur
1.5 parts of promotor
0.4 part of dimorpholinyl disulfide
2 parts, calcium oxide.
4. the production method of a kind of ethylene-propylene diene reclaimed rubber sealed strip as claimed in claim 1 is characterized in that comprising following production process and condition:
(1) mixing: weighted raw material is uniformly mixed in the high-temperature stirring pot, and temperature enters Banbury mixer and carries out banburying after arriving 70 ℃, and regulating Banbury mixer pressure is 0.7-0.8Mpa, and mixing time is 10 minutes, binder removal when the rubber unvulcanizate temperature reaches 130 ℃;
(2) compressing tablet: in mill, that the rubber unvulcanizate compressing tablet is cooling, clearance between roll 0.2mm wherein, sheet thickness 10mm-13mm, width 100mm-130mm;
(3) extrude: the extruder temperature of forcing machine is set as 40 ℃, intake zone temperature 50 C, 60 ℃, 2nd district, 60 ℃, 3rd district, 60 ℃ of head temperatures, and 30～70 rev/mins of extruded velocities, press the designing mould extruded product;
(4) sulfuration: adopt microwave heating, curing temperature is set as 220 ℃, curing time 2 minutes;
(5) cooling: that the product vulcanizated is finalized the design through cold rinse bank.
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| CN201310400595.5A CN103435920B (en) | 2013-09-06 | 2013-09-06 | A kind of production method of ethylene-propylene diene reclaimed rubber sealed strip |
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| CN201310400595.5A CN103435920B (en) | 2013-09-06 | 2013-09-06 | A kind of production method of ethylene-propylene diene reclaimed rubber sealed strip |
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| CN103435920A true CN103435920A (en) | 2013-12-11 |
| CN103435920B CN103435920B (en) | 2016-03-30 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943053A (en) * | 2015-06-01 | 2015-09-30 | 陈友寿 | Method for producing vehicle tire flap by using waste tire rubber injection and product thereof |
| CN109721863A (en) * | 2019-01-23 | 2019-05-07 | 保定华月胶带有限公司 | Application of the fire-retardant reclaimed rubber in fire retarding conveying band |
| CN110423408A (en) * | 2019-04-10 | 2019-11-08 | 上海正村橡塑工业有限公司 | Short vulcanization ethylene propylene diene rubber and preparation method thereof |
| CN111925600A (en) * | 2020-09-02 | 2020-11-13 | 威县亚泰密封件有限公司 | Ethylene propylene diene monomer flame-retardant fire-encountering expansion sealing strip and production method thereof |
| CN115558210A (en) * | 2022-05-06 | 2023-01-03 | 北京市城南橡塑技术研究所 | High-low temperature resistant, acid-base corrosion resistant and sound insulation door and window sealing strip and preparation method thereof |
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| CN101230248A (en) * | 2008-01-04 | 2008-07-30 | 丹阳市万奔汽车配件有限公司 | Sealing strip using epdm rubber as host material |
| JP2010031151A (en) * | 2008-07-29 | 2010-02-12 | Fujikura Rubber Ltd | Rubber composition and sealant |
| CN102731916A (en) * | 2012-05-30 | 2012-10-17 | 芜湖荣基密封系统有限公司 | Reclaimed EPDM rubber mixed rubber sealing ring |
| CN103254462A (en) * | 2012-02-21 | 2013-08-21 | 康国冲 | Preparation method of ethylene propylene diene monomer reclaimed rubber |
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2013
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Patent Citations (4)
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| CN101230248A (en) * | 2008-01-04 | 2008-07-30 | 丹阳市万奔汽车配件有限公司 | Sealing strip using epdm rubber as host material |
| JP2010031151A (en) * | 2008-07-29 | 2010-02-12 | Fujikura Rubber Ltd | Rubber composition and sealant |
| CN103254462A (en) * | 2012-02-21 | 2013-08-21 | 康国冲 | Preparation method of ethylene propylene diene monomer reclaimed rubber |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943053A (en) * | 2015-06-01 | 2015-09-30 | 陈友寿 | Method for producing vehicle tire flap by using waste tire rubber injection and product thereof |
| CN109721863A (en) * | 2019-01-23 | 2019-05-07 | 保定华月胶带有限公司 | Application of the fire-retardant reclaimed rubber in fire retarding conveying band |
| CN110423408A (en) * | 2019-04-10 | 2019-11-08 | 上海正村橡塑工业有限公司 | Short vulcanization ethylene propylene diene rubber and preparation method thereof |
| CN111925600A (en) * | 2020-09-02 | 2020-11-13 | 威县亚泰密封件有限公司 | Ethylene propylene diene monomer flame-retardant fire-encountering expansion sealing strip and production method thereof |
| CN115558210A (en) * | 2022-05-06 | 2023-01-03 | 北京市城南橡塑技术研究所 | High-low temperature resistant, acid-base corrosion resistant and sound insulation door and window sealing strip and preparation method thereof |
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| Publication number | Publication date |
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| CN103435920B (en) | 2016-03-30 |
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