CN103387714A - Ethylene-propylene-diene monomer (EPDM) material for super high and low temperature resistant sealing element and preparation method of EPDM material - Google Patents
Ethylene-propylene-diene monomer (EPDM) material for super high and low temperature resistant sealing element and preparation method of EPDM material Download PDFInfo
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- CN103387714A CN103387714A CN2013103482321A CN201310348232A CN103387714A CN 103387714 A CN103387714 A CN 103387714A CN 2013103482321 A CN2013103482321 A CN 2013103482321A CN 201310348232 A CN201310348232 A CN 201310348232A CN 103387714 A CN103387714 A CN 103387714A
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Abstract
The invention relates to an ethylene-propylene-diene monomer (EPDM) material for a super high and low temperature resistant sealing element and a preparation method of the EPDM material. The EPDM material comprises the following components in parts by weight: 40 parts of EPDM 578f, 30 parts of EPDM 8340A, 30 parts of EPDM 4045, 1-5 parts of HAY organic zinc, 10-50 parts of carbon black N330, 5-20 parts of paraffin oil, 1-10 parts of vulcanizing agent, 1-8 parts of assistant crosslinker and 1-5 parts of peroxide. By adopting different matching technologies and special auxiliaries, the characters of the EPDM material can be improved and optimized, the obtained EPDM material can be used within the temperature range from 50 DEG C below zero to 150 DEG C for a long term, and a sealing product made of the EPDM material can keep an excellent sealing effect within the temperature range from 50 DEG C below zero to 150 DEG C.
Description
Technical field
The invention belongs to rubber materials, relate to a kind of EPDM, especially a kind of super high-and low-temperature resistance sealing member Ethylene Propylene Terpolymer glue material and preparation method thereof.
Background technology
Ethylene Propylene Terpolymer is a kind of synthetic rubber, has model various, and performance has the characteristics such as special more, and the second third glue general character is that ageing-resistant performance is excellent, generally coordinates sizing material to use under 120 degree environment at-40 degree., if temperature range is so just no longer suitable greatly, do not meet the needs of some industries.
Find by retrieval, the following patent documentation relevant to the application, concrete disclosed theing contents are as follows:
1, prewet and spread anti-sticking EPDM rubber waterproof rolling material (CN102719023A), comprise Ethylene Propylene Terpolymer waterproof roll and gum layer two portions, its production formula is: 1) Ethylene Propylene Terpolymer waterproof roll production formula is (weight part) POE:100; Terpolymer EP rubber: 100; APP:100; Light calcium carbonate: 230; Carbon black: 45; Clorafin:? 25; DOP:15; Sulphur: 3; Anti-aging agent RD: 5; Anti-aging agent: 5; TMTD:2.5; 2) the gum layer production formula is (weight part) SBR:30; Terpolymer EP rubber: 100; High aromatic oil: 100; Light calcium carbonate: 35; Carbon black: 45; Clorafin: 25; Polybutene HV100 or isoamyl butylene: 15; Carbonic acid coarse whiting: 3; Sherwood oil resin: 12; Polyethylene: 5; TMTD:2.5.
2, the composite sealing ring material of a kind of terpolymer EP rubber paracril (CN102731866A), it is to be made by the raw material of following weight parts: paracril 334560-80, terpolymer EP rubber 20-30, antioxidant H 1.5-2, antioxidant MB 0.8-1, stearic acid 0.8-1, SULPHUR POWDER 0.5-0.8, Microcrystalline Wax 1-1.2, magnesium oxide 5-6, antimonous oxide 2-4, processing aid WB2121-1.2, carbon black N55060-65, semi-reinforcing hydrocarbon black N72220-25, Diethylene Glycol Dibenzoate 15-20, Vulcanization accelerator TMTD 1-1.5, acceterator TE TD1-1.5, altax 1.5-2, modification acrylate 5-9, vinylbenzene: vinyl cyanide: maleic anhydride copolymer 2-4.
3, a kind of ethylene-propylene diene reclaimed rubber rubber unvulcanizate sealing-ring (CN102731916A), it is to be made by the raw material of following weight parts: ethylene-propylene diene reclaimed rubber 65-70, cis-butadiene cement 35-40, styrene-butadiene rubber(SBR) 10-15, SULPHUR POWDER 1.5-2.5, semi-reinforcing carbon black 5-8, fatty acid modified calcium carbonate 2-5, white carbon black 2-4, nano barium sulfate 30-35, glycol ether 5-8, paraffin oil 10-15, microcrystalline wax 1-2, the different phenylpropyl alcohol 1-2 of peroxidation two, red precipitate 5-7, stearic acid 0.8-1.2, cashew nut shell oil 2-3, zinc borate 8-12, titanium dioxide 8-12, trioctyl trimellitate 4-8, white factice 7-9, accelerant CZ 0.8-1.2, altax 0.5-1, Vulcanization accelerator TMTD 0.3-0.7, anti-aging agent RD 0.8-1.2, antioxidant BLE 0.5-0.8.
4, Silicone Rubber/EPDM blend composition and working method (CN102775686A), the Silicone Rubber/EPDM blend composition, contain raw-silastic continuously, terpolymer EP rubber rubber, diphenyl methane dimaleimide and organic peroxide sulfuration agent; Wherein take the total mass of raw-silastic continuously and terpolymer EP rubber rubber as 100 parts, the mass fraction of diphenyl methane dimaleimide is 0.1-5.0 part, and the mass fraction of organic peroxide sulfuration agent is 0.5-5.0 part.
By relatively finding, the application and documents differ greatly, and the product result of use is not as good as the application.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, a kind of super high-and low-temperature resistance sealing member Ethylene Propylene Terpolymer glue material and preparation method thereof is provided, the present invention adopts different compounding techniques and special auxiliary agent can improve and optimize its characteristic, and second third sizing material of acquisition can use for a long time in-50 to 150 degree scopes.
The present invention realizes that the technical scheme of purpose is:
A kind of super high-and low-temperature resistance sealing member Ethylene Propylene Terpolymer glue material, its composition and parts by weight are as follows:
And described organic zinc is zinc methacrylate.
And described vulcanizing agent is CZ.
And described additional crosslinker is Si-69.
And described superoxide is dicumyl peroxide.
A kind of method of super high-and low-temperature resistance sealing member with the Ethylene Propylene Terpolymer glue material that prepare, step is as follows:
⑴ add EPDM 578f, EPDM 8340A, EPDM 4045 to plasticate separately,, according to the proportioning raw materials feeding, in mill, mixes, and the even rear beginning that is mixed is mixing;
⑵ mixing carries out in Banbury mixer, floating weight pressurization 0.6 MPa, and top temperature is set 110 degree, and order of addition(of ingredients): step ⑴ obtains glue, carbon black, paraffin oil, organic zinc, superoxide, and mixing 9 minutes, mill blanking slice, be cooled to below 60 degree;
⑶ put into Banbury mixer with above-mentioned film, adds vulcanizing agent, additional crosslinker, anti-aging agent, and pressurization mixes lower sheet after 3 minutes, and is cooling, sets top temperature 90 degree, sheet under mill, and first through after three rules, sheet under the bag rod, cooled and stored, obtain sizing material.
Advantage of the present invention and beneficial effect are:
1, the present invention adopts different compounding techniques and special auxiliary agent can improve and optimize its characteristic, second the third sizing material that obtains can use for a long time in-50 to 150 degree scopes, and the sealing article that this sizing material is made can keep excellent sealing effectiveness under-50 to 150 degree environment.
2, the present invention is through repetition test, and polytypic coordinates, and rational proportion, take into account processing performance physicals optimization, and the test result indices is all over German standard.
3, the present invention is intended to enlarge its purposes of the adaptive temperature scope-60 ℃ of EPDM～170 ℃ and can be used for automobile and use or be used for military field with sealing member is normal in the area of cold.
4, the sizing material that obtains of the present invention does not have slight crack in low-temperature test-60 ℃, in high-temperature circulation test 170 ℃ 168 hours, aging time compression set is lower than percent 5%.
Embodiment
The invention will be further described below by specific embodiment, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
Embodiment 1:
A kind of super high-and low-temperature resistance sealing member Ethylene Propylene Terpolymer glue material, its composition and parts by weight are as follows:
Above-mentioned sizing material preparation method is as follows:
⑴ each model second third glue (EPDM 578f, EPDM 8340A, EPDM 4045) is plasticated separately,, according to the proportioning raw materials feeding, in mill, mixes, and the even rear beginning that is mixed is mixing;
⑵ mixing carries out in Banbury mixer, floating weight pressurization 0.6 MPa, and top temperature is set 110 degree, order of addition(of ingredients): second the third glue, carbon black, paraffin oil, organic zinc (zinc methacrylate), anti-aging agent, mixing 9 minutes, mill blanking slice, be cooled to below 60 degree;
⑶ put into Banbury mixer with above-mentioned film, adds vulcanizing agent, additional crosslinker, superoxide (dicumyl peroxide), and pressurization mixes lower sheet after 3 minutes, and is cooling, set top temperature 90 degree, sheet under mill, first through after three rules, sheet under the bag rod, cooled and stored, obtain sizing material.
Goods sulfuration: goods cure conditions 175 degree 10 minutes.
The present invention is intended to enlarge its purposes of the adaptive temperature scope-60 ℃ of EPDM～170 ℃ and can be used for automobile and use or be used for military field with sealing member is normal in the area of cold.The sizing material that the present invention obtains does not have slight crack in low-temperature test-60 ℃, in high-temperature circulation test 170 ℃ 168 hours, aging time compression set is lower than percent 5%.
Embodiment 2:
A kind of super high-and low-temperature resistance sealing member Ethylene Propylene Terpolymer glue material, its composition and parts by weight are as follows:
The preparation method is with embodiment 1.
Confirm by experiment: the present invention adopts different compounding techniques and special auxiliary agent can improve and optimize its characteristic, second the third sizing material that obtains can use for a long time in-50 to 150 degree scopes, and the sealing article that this sizing material is made can keep excellent sealing effectiveness under-50 to 150 degree environment.Through repetition test, polytypic coordinates, and rational proportion, take into account processing performance physicals optimization, and the test result indices is all over German standard.
Sizing material of the present invention enlarges its purposes of the adaptive temperature scope-60 ℃ of EPDM～170 ℃ and can be used for automobile and use or be used for military field with sealing member is normal in the area of cold.
The sizing material that the present invention obtains does not have slight crack in low-temperature test-60 ℃, in high-temperature circulation test 170 ℃ 168 hours, aging time compression set is lower than percent 5%.
Claims (6)
1. super high-and low-temperature resistance sealing member Ethylene Propylene Terpolymer glue material, it is characterized in that: its composition and parts by weight are as follows:
2. super high-and low-temperature resistance sealing member Ethylene Propylene Terpolymer glue material according to claim 1, it is characterized in that: described organic zinc is zinc methacrylate.
3. super high-and low-temperature resistance sealing member Ethylene Propylene Terpolymer glue material according to claim 1, it is characterized in that: described vulcanizing agent is CZ.
4. super high-and low-temperature resistance sealing member Ethylene Propylene Terpolymer glue material according to claim 1, it is characterized in that: described additional crosslinker is Si-69.
5. super high-and low-temperature resistance sealing member Ethylene Propylene Terpolymer glue material according to claim 1, it is characterized in that: described superoxide is dicumyl peroxide.
6. one kind prepares the method for super high-and low-temperature resistance sealing member as claimed in claim 1 with the Ethylene Propylene Terpolymer glue material, and it is characterized in that: step is as follows:
⑴ add EPDM 578f, EPDM 8340A, EPDM 4045 to plasticate separately,, according to the proportioning raw materials feeding, in mill, mixes, and the even rear beginning that is mixed is mixing;
⑵ mixing carries out in Banbury mixer, floating weight pressurization 0.6 MPa, and top temperature is set 110 degree, and order of addition(of ingredients): step ⑴ obtains glue, carbon black, paraffin oil, organic zinc, superoxide, and mixing 9 minutes, mill blanking slice, be cooled to below 60 degree;
⑶ put into Banbury mixer with above-mentioned film, adds vulcanizing agent, additional crosslinker, anti-aging agent, and pressurization mixes lower sheet after 3 minutes, and is cooling, sets top temperature 90 degree, sheet under mill, and first through after three rules, sheet under the bag rod, cooled and stored, obtain sizing material.
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| CN201310348232.1A CN103387714B (en) | 2013-08-12 | 2013-08-12 | A kind of super high-and low-temperature resistance sealing member Ethylene Propylene Terpolymer glue material and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104592582A (en) * | 2015-01-30 | 2015-05-06 | 柳州市中配橡塑配件制造有限公司 | Corrosion-resistant ageing-resistant sealing rubber tube |
| CN106117840A (en) * | 2016-08-02 | 2016-11-16 | 天津包博特密封科技有限公司 | A kind of high impact resistance, shear-stable EPDM glue material |
| CN107035816A (en) * | 2016-02-03 | 2017-08-11 | 浙江紫金港胶带有限公司 | A kind of EPDM stepless speed changing of motorcycle of resistance to high/low temperature V bands method |
| CN111978645A (en) * | 2020-07-22 | 2020-11-24 | 镇江联创机械配件有限公司 | High-low temperature sealing element material for automobile radiator and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102030949B (en) * | 2009-09-24 | 2012-09-12 | 上海骆氏减震件有限公司 | High-temperature resistant ethylene-propylene-diene monomer (EPDM) formula for lug of exhaust system and preparation method thereof |
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- 2013-08-12 CN CN201310348232.1A patent/CN103387714B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104592582A (en) * | 2015-01-30 | 2015-05-06 | 柳州市中配橡塑配件制造有限公司 | Corrosion-resistant ageing-resistant sealing rubber tube |
| CN107035816A (en) * | 2016-02-03 | 2017-08-11 | 浙江紫金港胶带有限公司 | A kind of EPDM stepless speed changing of motorcycle of resistance to high/low temperature V bands method |
| CN106117840A (en) * | 2016-08-02 | 2016-11-16 | 天津包博特密封科技有限公司 | A kind of high impact resistance, shear-stable EPDM glue material |
| CN111978645A (en) * | 2020-07-22 | 2020-11-24 | 镇江联创机械配件有限公司 | High-low temperature sealing element material for automobile radiator and preparation method thereof |
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| CN103387714B (en) | 2015-12-02 |
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Effective date of registration: 20180831 Address after: 050800 Chengding Road, Zhengding science and Technology Industrial Park, Zhengding County, Shijiazhuang, Hebei Patentee after: Hebei Xiangyi Medical Technology Co.,Ltd. Address before: 300400 Yixing Beichen science and Technology Park, Beichen District, Tianjin Patentee before: Tianjin Baobote Sealing Technology Co., Ltd. |
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