CN103435920B - A kind of production method of ethylene-propylene diene reclaimed rubber sealed strip - Google Patents
A kind of production method of ethylene-propylene diene reclaimed rubber sealed strip Download PDFInfo
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- CN103435920B CN103435920B CN201310400595.5A CN201310400595A CN103435920B CN 103435920 B CN103435920 B CN 103435920B CN 201310400595 A CN201310400595 A CN 201310400595A CN 103435920 B CN103435920 B CN 103435920B
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- ethylene
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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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- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a kind of production method of ethylene-propylene diene reclaimed rubber sealed strip, relate to rubber packing material technical field, it is characterized in that furnish component and mass fraction as follows: Ethylene Propylene Terpolymer reclaimed rubber 85 parts, carbon black 5-9 part, zinc oxide 1.3-1.8 part, 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% and terpolymer EP rubber 10%.Products made thereby tensile strength is high, good-extensibility, has good high and low temperature resistance, and its index can meet the use properties requirement of sealed strip, and production technique is simple, uses reclaimed rubber to reduce costs, realizes recycling of waste old.
Description
Technical field
The present invention relates to rubber packing material technical field.
Background technology
Ethylene Propylene Terpolymer is the terpolymer of ethene, propylene and non-conjugated diene hydrocarbon, and its principal polymeric chain is completely saturated, and this makes Ethylene Propylene Terpolymer can resist heat, light, oxygen, especially ozone; Ethylene Propylene Terpolymer is non-polar in essence, and have resistance to polar solvent and chemicals, 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.Ethylene Propylene Terpolymer reclaimed rubber utilizes useless ethylene-propylene diene copolymer goods, make through the dynamic desulfurization of High Temperature High Pressure, the desulfurization of High Temperature High Pressure milling machine or normal temperature chemical desulfurization, it maintains 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 used for high temperature resistant, corrosion resistant rubber item, alleviate the phenomenon of serious scarcity of synthetic rubber, natural rubber, the cost of rubber item can be reduced simultaneously; Make waste old achieve recycling on the other hand, solve 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, products made thereby tensile strength is high, good-extensibility, there is good high and low temperature resistance, its index can meet the use properties requirement of sealed strip, and production technique is simple, uses 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 as follows:
Ethylene Propylene Terpolymer reclaimed rubber 85 parts
Carbon black 5-9 part
Zinc oxide 1.3-1.8 part
PEG-40001.3-1.7 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: to be uniformly mixed in high-temperature stirring pot by weighted raw material, after temperature arrives 70 DEG C, enter Banbury mixer and carry out banburying, regulate Banbury mixer pressure to be 0.7-0.8MPa, mixing time is 10 minutes, binder removal when glue temperature to be mixed reaches 130 DEG C.
(2) compressing tablet: on a mill until rubber unvulcanizate compressing tablet is cooled, wherein clearance between roll 0.2mm, sheet thickness 10mm-13mm, width 100mm-130mm.
(3) extrude: the screw temperature set of forcing machine is 40 DEG C, intake zone temperature 50 C, 60 DEG C, 2nd district, 60 DEG C, 3rd district, head temperature 60 DEG C, extruded velocity 30 ~ 70 revs/min, by designing mould extruded product.
(4) sulfuration: adopt microwave heating, curing temperature is set as 220 DEG C, curing time 2 minutes.
(5) cool: the product vulcanizated is shaped through cold rinse bank.
The beneficial effect adopting technique scheme to produce is: a kind of production method of ethylene-propylene diene reclaimed rubber sealed strip, products made thereby tensile strength is high, good-extensibility, there is good high and low temperature resistance, its index can meet the use properties requirement of sealed strip, and production technique is simple, uses reclaimed rubber to reduce costs, realize recycling of waste old.
Embodiment
Embodiment 1:
A production method for ethylene-propylene diene reclaimed rubber sealed strip, it is characterized in that its feed composition and mass fraction as follows:
Ethylene Propylene Terpolymer reclaimed rubber 85 parts
Carbon black 7 parts
1.5 parts, zinc oxide
PEG-40001.5 part
Stearic acid 0.7 part
0.4 part, sulphur
Promotor 1.5 parts
Dimorpholinyl disulfide 0.4 part
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) prepare burden: according to above-mentioned formula raw materials weighing weight respectively, batching weighing needs accurately true to 1 gram;
(2) mixing: to be uniformly mixed in high-temperature stirring pot by weighted raw material, after temperature arrives 70 DEG C, enter Banbury mixer and carry out banburying, regulate Banbury mixer pressure to be 0.7-0.8MPa, mixing time is 10 minutes, binder removal when glue temperature to be mixed reaches 130 DEG C.
(3) compressing tablet: on a mill until rubber unvulcanizate compressing tablet is cooled, wherein clearance between roll 0.2mm, sheet thickness 10mm-13mm, width 100mm-130mm.
(4) extrude: the screw temperature set of forcing machine is 40 DEG C, intake zone temperature 50 C, 60 DEG C, 2nd district, 60 DEG C, 3rd district, head temperature 60 DEG C, extruded velocity 30 ~ 70 revs/min, by designing mould extruded product.
(5) sulfuration: adopt microwave heating, curing temperature is set as 220 DEG C, curing time 2 minutes.
(6) cool: the product vulcanizated is shaped through cold rinse bank.
(7) draw, beat dish, packaging.
Embodiment 2:
Be that the mass fraction of feed composition is different from the difference of embodiment one, the mass fraction of the present embodiment raw material composition is:
Ethylene Propylene Terpolymer reclaimed rubber 85 parts
Carbon black 5.5 parts
1.3 parts, zinc oxide
PEG-40001.3 part
Stearic acid 0.6 part
0.4 part, sulphur
Promotor 1.4 parts
Dimorpholinyl disulfide 0.3 part
1.7 parts, calcium oxide
Embodiment 3:
Be that the mass fraction of feed composition is different from the difference of embodiment one, the mass fraction of the present embodiment raw material composition is:
Ethylene Propylene Terpolymer reclaimed rubber 85 parts
Carbon black 8.5 parts
1.8 parts, zinc oxide
PEG-40001.7 part
Stearic acid 0.8 part
0.5 part, sulphur
Promotor 1.4 parts
Dimorpholinyl disulfide 0.5 part
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 (2)
1. a production method for ethylene-propylene diene reclaimed rubber sealed strip, comprise batching, mixing, open refining, extrude, sulfuration, cooling production process, it is characterized in that furnish component and mass fraction as follows:
Ethylene Propylene Terpolymer reclaimed rubber 85 parts
Carbon black 5-9 part
Zinc oxide 1.3-1.8 part
PEG-40001.3-1.7 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%.
2. 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: to be uniformly mixed in high-temperature stirring pot by weighted raw material, after temperature arrives 70 DEG C, enter Banbury mixer and carry out banburying, regulate Banbury mixer pressure to be 0.7-0.8MPa, mixing time is 10 minutes, binder removal when glue temperature to be mixed reaches 130 DEG C;
(2) compressing tablet: on a mill until rubber unvulcanizate compressing tablet is cooled, wherein clearance between roll 0.2mm, sheet thickness 10mm-13mm, width 100mm-130mm;
(3) extrude: the screw temperature set of forcing machine is 40 DEG C, intake zone temperature 50 C, 60 DEG C, 2nd district, 60 DEG C, 3rd district, head temperature 60 DEG C, extruded velocity 30 ~ 70 revs/min, by designing mould extruded product;
(4) sulfuration: adopt microwave heating, curing temperature is set as 220 DEG C, curing time 2 minutes;
(5) cool: the product vulcanizated is shaped through cold rinse bank.
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| Application Number | Priority Date | Filing Date | Title |
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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 CN103435920A (en) | 2013-12-11 |
| CN103435920B true CN103435920B (en) | 2016-03-30 |
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Families Citing this family (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 |
| CN115558210B (en) * | 2022-05-06 | 2023-06-06 | 北京市城南橡塑技术研究所 | High-low temperature resistant and acid and alkali corrosion resistant sound insulation door and window sealing strip and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5399018B2 (en) * | 2008-07-29 | 2014-01-29 | 藤倉ゴム工業株式会社 | Rubber composition and sealing material |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103254462A (en) * | 2012-02-21 | 2013-08-21 | 康国冲 | Preparation method of ethylene propylene diene monomer reclaimed rubber |
| 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 |
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| CN103435920A (en) | 2013-12-11 |
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