CN103396590B - A kind of high pressure resistant seal piece size of resistance to pure oxygen and preparation method thereof - Google Patents
A kind of high pressure resistant seal piece size of resistance to pure oxygen and preparation method thereof Download PDFInfo
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- CN103396590B CN103396590B CN201310347263.5A CN201310347263A CN103396590B CN 103396590 B CN103396590 B CN 103396590B CN 201310347263 A CN201310347263 A CN 201310347263A CN 103396590 B CN103396590 B CN 103396590B
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Abstract
The present invention relates to a kind of high pressure resistant seal piece size of resistance to pure oxygen, parts by weight are as follows: chloroprene rubber 100, ZnO5, stearic acid 1-2, magnesium oxide 1-4 organic-magnesium 1-3, white carbon black 20-60, vulcanizing agent 1-8, promotor 1-5, cocuring agent 1-2, additional crosslinker 1-4, superoxide 1-2.The sealing medium of the sealing member that the high pressure resistant seal piece size of resistance to pure oxygen of the present invention makes is at high pressure 150KG.F/mm
2, work under oxygen purity 99.99% condition, normal its stopping property of performance.
Description
Technical field
The invention belongs to rubber materials, relate to a kind of chloroprene rubber, especially a kind of high pressure resistant seal piece size of resistance to pure oxygen and preparation method thereof.
Background technology
The sealing medium of general sealing member mostly is lipid, and good sealing effect requires high all employings paracril, GB GB/T1235.1-2008, but current paracril can not meet the condition of high pressure and pure oxygen sealing.
According to the retrieval, find following relevant to this patent patent documentation, specifically disclose following content:
1, a kind of preparation method (CN102729481A) of seal for pipe joints circle composite rubber film, comprise the steps: that natural rubber is put in the materials-stored box of preform machine by (1), control the extruded velocity of preform machine at 50-60r/min, head temperature controls at 50-60 DEG C, and elastic caoutchouc film extruded by preform machine; (2) put in the materials-stored box of preform machine by hydrophilic substance and natural rubber, control the extruded velocity of preform machine at 50-60r/min, head temperature controls at 60-70 DEG C, and water-swellable material film extruded by preform machine; (3) elastic caoutchouc film and water-swellable material film carried out hot sulfurization compound by doubling roller to fit together formation composite rubber film, the temperature of hot sulfurization compound controls at 10-30 DEG C, and pressure-controlling is at 5-15MPa.
2, a kind of cis-1,4-polybutadiene rubber and chloroprene rubber mixing glue sealing-ring (CN102731856A) its be made up of the raw material of following weight parts: cis-1,4-polybutadiene rubber 60-65, chloroprene rubber 30-35, mica 10-15, zinc oxide 1.5-2.5, high abrasion carbon black 4-6, diatomite 2-5, china clay 2-4, wood powder 30-35, calcinated argil 35-45, chalk 10-15, microcrystalline wax 1-2, coumarone indene resin 1-4, carnauba wax 2-3, magnesium oxide 5-7, stearic acid 0.8-1.2, cashew nut shell oil 2-3, zinc borate 8-12, oxalic acid 8-12, tributyl citrate 4-8, machine oil 7-9, captax 0.8-1.2, altax 0.5-1, Vulcanization accelerator TMTD 0.3-0.7, anti-aging agent RD 0.8-1.2, antioxidant NBC 0.1-0.2.
3, the chloroprene rubber composition (CN101353453) that is improved of a kind of cold tolerance, it comprises chloroprene rubber, vulcanizing agent, processing aid, reinforcing filler, synthesis softening agent, vulcanization accelerator and anti-aging agent, and its weight proportion is: chloroprene rubber 100-50 part, vulcanizing agent 4-15 part, processing aid 0.5-4 part, reinforcing filler 10-90 part, synthesis softening agent 15-50 part, vulcanization accelerator 0.5-6 part, anti-aging agent 3-9 part.
By comparing, have larger difference in disclosed in formula of the present invention and above-mentioned patent documentation, the effect difference of finished product rubber is comparatively large, and the sizing material that the present invention obtains has excellent performance.
Summary of the invention
The object of the present invention is to provide a kind of high pressure resistant seal piece size of resistance to pure oxygen and preparation method thereof, the sizing material of preparation is mainly for the preparation of sealing member, and the sealing medium of its sealing member prepared is at high pressure 150KG.F/mm
2, work under oxygen purity 99.99% condition, normal its stopping property of performance.
The technical scheme that the present invention realizes object is as follows:
A kind of high pressure resistant seal piece size of resistance to pure oxygen, parts by weight are as follows:
And described anti-aging agent is NBC nickel dibutyl dithiocarbamate.
And described organic-magnesium is magnesinm methacrylate.
And described promotor is diethyl diphenyl thiuram disulfide.
And described cocuring agent is glycol ether.
And described additional crosslinker is oligomer ester.
And described superoxide is the different phenylpropyl alcohol of DCP peroxidation two.
The preparation process of above-mentioned sizing material is as follows:
(1) CR322 chloroprene rubber is plasticated separately, starts mixing after parking 24 hours;
(2) mixingly carry out at Banbury mixer, floating weight pressurizes 0.6 MPa, top temperature setting 110 degree, order of addition(of ingredients): CR322 chloroprene rubber, white carbon black, carbon black, ZnO, stearic acid, magnesium oxide, organic-magnesium, anti-aging agent, mixing 9 minutes, blanking mill slice, was cooled to less than 60 degree;
(3) above-mentioned film is put into Banbury mixer, add vulcanizing agent, cocuring agent, additional crosslinker, superoxide, pressurization mixing bottom sheet after 3 minutes, cooling, setting top temperature 90 degree, in mill bottom sheet, first after three rules, bag rod bottom sheet, cooled and stored, obtains sizing material.
Advantage of the present invention and beneficial effect are:
1, the sealing medium of the sealing member of the high pressure resistant seal piece size of the resistance to pure oxygen making of the present invention is at high pressure 150KG.F/mm
2, work under oxygen purity 99.99% condition, normal its stopping property of performance.
2, the present invention adopts material based on chloroprene rubber (CR), add multiple auxiliary oxytolerant material and multiple auxiliary agent, the sizing material that oxytolerant material and auxiliary agent coordinate can be used to prepare various sealing member, and the rubber seal prepared has excellent stopping property under condition of high voltage and high purity oxygen condition.
Embodiment
Below in conjunction with embodiment, be described further technical scheme of the present invention, following embodiment is illustrative, is not determinate, can not limit protection scope of the present invention with following embodiment.
Embodiment 1
A kind of high pressure resistant seal piece size of resistance to pure oxygen, concrete parts by weight are as follows:
Method prepared by sizing material is as follows:
(1) CR322 chloroprene rubber is plasticated separately, starts mixing after parking 24 hours;
(2) mixingly carry out at Banbury mixer, floating weight pressurizes 0.6 MPa, top temperature setting 110 degree, order of addition(of ingredients): CR322 chloroprene rubber, white carbon black, carbon black, ZnO, stearic acid, magnesium oxide, organic-magnesium, anti-aging agent, mixing 9 minutes, blanking mill slice, was cooled to less than 60 degree;
(3) above-mentioned film is put into Banbury mixer, add vulcanizing agent, cocuring agent, additional crosslinker, superoxide, pressurization mixing bottom sheet after 3 minutes, cooling, setting top temperature 90 degree, in mill bottom sheet, first after three rules, bag rod bottom sheet, cooled and stored.
Goods sulfuration: goods cure conditions 155 degree 8 minutes.
Embodiment 2
A kind of high pressure resistant seal piece size of resistance to pure oxygen, concrete parts by weight are as follows:
Preparation method is with embodiment 1.
Embodiment 3
A kind of high pressure resistant seal piece size of resistance to pure oxygen, concrete parts by weight are as follows:
Preparation method is with embodiment 1.
Laboratory report is as follows:
Claims (1)
1. the high pressure resistant seal piece size of resistance to pure oxygen, is characterized in that: parts by weight are as follows:
Described anti-aging agent is NBC nickel dibutyl dithiocarbamate;
Described organic-magnesium is magnesinm methacrylate;
Described promotor is diethyl diphenyl thiuram disulfide;
Described cocuring agent is glycol ether;
Described additional crosslinker is oligomer ester;
Described superoxide is the different phenylpropyl alcohol of DCP peroxidation two.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310347263.5A CN103396590B (en) | 2013-08-12 | 2013-08-12 | A kind of high pressure resistant seal piece size of resistance to pure oxygen and preparation method thereof |
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| CN201310347263.5A CN103396590B (en) | 2013-08-12 | 2013-08-12 | A kind of high pressure resistant seal piece size of resistance to pure oxygen and preparation method thereof |
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| CN103396590A CN103396590A (en) | 2013-11-20 |
| CN103396590B true CN103396590B (en) | 2016-02-03 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106867062A (en) * | 2017-03-24 | 2017-06-20 | 安徽高德韦尔精密部件有限公司 | A kind of new neoprene elastomeric material |
| WO2020195492A1 (en) * | 2019-03-28 | 2020-10-01 | 住友ゴム工業株式会社 | Sealant rubber composition for inner tire surface and sealant-coated tire |
| CN117143403B (en) * | 2023-10-31 | 2024-02-02 | 河北华密新材科技股份有限公司 | Impact-resistant and shock-absorbing rubber part and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353453A (en) * | 2007-07-27 | 2009-01-28 | 铁道科学研究院金属及化学研究所 | Chloroprene rubber composition having improved cold tolerance |
| CN101392076A (en) * | 2008-10-10 | 2009-03-25 | 常州天晟新材料股份有限公司 | Duprene rubber foamed sheet and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050035327A (en) * | 2003-10-10 | 2005-04-18 | 현대자동차주식회사 | Hybrid crosslinking system adapted insulator composition of superior endurance for automobile |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353453A (en) * | 2007-07-27 | 2009-01-28 | 铁道科学研究院金属及化学研究所 | Chloroprene rubber composition having improved cold tolerance |
| CN101392076A (en) * | 2008-10-10 | 2009-03-25 | 常州天晟新材料股份有限公司 | Duprene rubber foamed sheet and preparation method thereof |
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