CN101555327B - Formulation of high-concentration ozone resistant rubber tube - Google Patents
Formulation of high-concentration ozone resistant rubber tube Download PDFInfo
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- CN101555327B CN101555327B CN2009100689371A CN200910068937A CN101555327B CN 101555327 B CN101555327 B CN 101555327B CN 2009100689371 A CN2009100689371 A CN 2009100689371A CN 200910068937 A CN200910068937 A CN 200910068937A CN 101555327 B CN101555327 B CN 101555327B
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Abstract
The invention relates to a formulation of a high-concentration ozone resistant rubber tube, which comprises the following compositions by mass parts: 100 parts of butyronitrile PVC rubber, 20 to 40 parts of fast extruding furnace black (FEF), 20 to 40 parts of MT-N990, 5 to 15 parts of diphenyl octyl phosphate(DOP), 5 to 15 parts of light magnesium oxide, 4 to 10 parts of zinc oxide ( ZnO ), 1.5 to 3 parts of dibenzothiazyl disulfide, 1.5 to 3 parts of 1, 4-bis(tert-butyl peroxy diisopropyl) benzene, 1.5 to 2.5 parts of trially isocyanurate, 0.2 to 0.4 part of sulfur, 3 to 5 parts of coumarone, 1 to 3 parts of stearic acid, 1 to 2 parts of microcrystalline wax, 1 to 2 parts of N-isopropyl-N'-diphenyl-para-phenylene diamine, and 1 to 2 parts of 2, 2, 4-trimethyl-1, 2-dihyaroquinoline polymer. Compared with the traditional formulation, the formulation of the invention improves the function of high-concentration ozone resistance of butyronitrile PVC rubber and leads the butyronitrile PVCrubber to be suitable to the extrusion processing for producing the rubber tube of fuel tank filler, thereby improving the service life of the rubber tube of an automobile fuel tank filler and bettersatisfying the requirements of fuel resistance and ozone resistance of the rubber tube of the automobile fuel tank filler.
Description
Technical field
The present invention relates to the sebific duct technical field, particularly the formula of rubber hose of butyronitrile PVC high-concentration ozone resistant.
Background technology
The high-concentration ozone resistant sebific duct mainly refers to the tank filler sebific duct that uses in automobile, this sebific duct is extruded by full glue and constituted, and material is a butyronitrile PVC rubber.The sebific duct of anti-ozone of automobile is worked in gasoline or ethanol petrol medium, often puts to be exposed to be subjected to solar radiation in the air, because the effect of UV sunlight can make the sebific duct surface produce be full of cracks, makes the sebific duct leakage of oil cisco unity malfunction that breaks, and these all are that ozone causes.According to the elastomeric material characteristic, not only oil resistant but also the good rubber of anti-ozone had viton, chlorohydrin rubber, butyronitrile PVC rubber because preceding two kinds of rubber are all somewhat expensive, so in, what adopt mostly in the low-grade automobile is butyronitrile PVC rubber.Elastomeric material itself is the ozone proof principal element of influence, and the formulating of recipe quality also has certain effect.A kind of sebific duct of tank filler preferably of present domestic use, can only satisfy the requirement of the ozone concn of anti-50pphm, along with the automobile fast development, trolley part safety, environmental requirement are become more and more higher, the tank filler sebific duct of part vehicle will satisfy the requirement of 200pphm concentration of ozone, therefore be the requirement of the high-concentration ozone resistant that improves rubber tube of oil filling port of vehicle oil tank under the situation that does not change elastomeric material, this has become is badly in need of in the sebific duct industry solving and many people still fail a technical problem effectively solving in research.
Summary of the invention
Purpose of the present invention just provides the prescription of the good butyronitrile PVC rubber of a kind of high-concentration ozone resistant, is applied to rubber tube of oil filling port of vehicle oil tank, has overcome the deficiency of currently available products, improves the work-ing life of rubber tube of oil filling port of vehicle oil tank.
The component of the formula of rubber hose of high-concentration ozone resistant of the present invention and mass fraction prescription are as follows:
100 parts of butyronitrile PVC rubber (latex coprecipitation method, Russia produces),
Fast carbon black (N550) 20～40 parts that extrude,
20～40 parts of carbon black MT N990,
5～15 parts of dioctyl esters (DOP),
5～15 parts of light magnesium oxides (MgO),
4～10 parts in zinc oxide,
1.5～3 parts of dibenzothiazyl disulfides (DM),
1.5～3 parts of 1,4 bis tert butyl peroxy isopropyl benzenes (BIPB),
1.5～2.5 parts of iso-cyanuric acid triallyl esters (TAIC-70),
0.2～0.4 part in sulphur,
Gu grand 3～5 parts of horse,
1～3 part of stearic acid
1～2 part of Microcrystalline Wax,
1～2 part of N-sec.-propyl-N '-diphenyl-para-phenylene diamine (4010Na)
2,2,4-trimethylammonium-1,1～2 part of 2-dihydro quinoline woods polymer (RD).
Wherein the main raw material(s) source is:
Butyronitrile PVC rubber-Russia produces, and middleization Internaional, Inc sells
Sunlight chemical industry company limited of BIPB-Shanghai section
Sunlight chemical industry company limited of TAIC-70-Shanghai section
Connection rubber main office in middle particle pyrolysis method carbon black (MT N990)-Beijing
Major ingredient butyronitrile PVC rubber of the present invention, butyronitrile PVC rubber are paracril and polyvinyl chloride (PVC) and with making, and paracril and polyvinyl chloride are also with two kinds of methods of latex coprecipitation method and mechanical mixing are arranged.The latex coprecipitation method be meant with special polyvinyl chloride emulsion and acrylonitrile-butadiene rubber latex mix, condensation, drying form.Little, easy to process by the blend physical and mechanical properties fluctuation that the latex coprecipitation method makes.Mechanical mixing is meant and adopts mill or Banbury mixer that polyvinyl chloride and paracril are carried out the blended method.This method can arbitrarily be adjusted the proportioning of paracril and polyvinyl chloride according to service requirements, but paracril and polyvinyl chloride carry out fusion under differing temps, the ozone ageing performance of gained cross-linked rubber is discrepant, the high blended rubber of acrylonitrile content is with the rising of fusion temperature, the improvement of its ozone resistance is obvious more, for fear of the fluctuation that causes because of technological factor ozone resistance, so that the present invention's employing is latex coprecipitation method butyronitrile PVC.
The selection of vulcanization system is extremely important, passes logical method and be crosslinked between the paracril, and paracril and polyvinyl chloride do not carry out crosslinked, and this method is unfavorable for improving the ozone of its resisting high-concentration.The present invention adopts BIPB-altax-MgO-ZnO Co-crosslinked System, can make and carry out co-crosslinking between paracril and the polyvinyl chloride, the resistance toheat of co-crosslinking sizing material and compression set better performances have formed co-crosslinking between two kinds of polymkeric substance, thereby have also improved its ozone proof ability.
The reinforcement of butyronitrile PVC rubber self is poor, therefore in sizing material, must cooperate the strengthening agent that is fit to, strengthening agent in the conventional formulation is only with the fast carbon black that extrudes, tensile strength height, expressing technique are good, in the present invention's prescription, select for use MT N990 and the fast carbon black that extrudes also to use, it is big that its particle diameter ratio extrudes carbon black soon, it is little that texture ratio extrudes carbon black soon, can give sizing material enough elasticity, therefore select for use MT N990 carbon black and its also with guaranteeing the tensile strength height, when expressing technique is good, can reduces compression set again, improve elasticity.
Effect of the present invention, owing to adopt latex coprecipitation method butyronitrile PVC and co-crosslinking vulcanization system, can obtain best material property, tensile strength is greater than 12.0MPa, tensile yield is greater than 300%, 120 ℃ * 70h compression forever diminishes in 40%, in the physical and mechanical properties that guarantees material, good anti-gasoline and ethanol petrol performance are arranged, make its anti-ozone ability bring up to 200pphm, compare, produce significantly difference with traditional product from 50pphm, exceed four times of traditional products, improved the work-ing life of high-concentration ozone resistant sebific duct greatly.Expressing technique is stable.Thereby can satisfy the requirement of rubber tube of oil filling port of vehicle oil tank high-concentration ozone resistant better.
Embodiment
Embodiment 1:
100 parts of butyronitrile PVC
20 parts of N550
40 parts of N990
5 parts of DOP
5 parts of MgO
10 parts in zinc oxide
1.5 parts of DM
3 parts of BIPB
1.5 parts of TAIC-70
0.2 part of Sulfur
Gu grand 3 parts of horse
2 parts of Microcrystalline Waxes
1 part of hard ester acid
1 part of 4010Na
2 parts of RD
The XK-160 type mill of adopting Shanghai double-vane machinery company limited to produce is plasticated to butyronitrile PVC, carries out mixing in the usual way with other Synergist S-421 95 then.The GT-7014-A10C type vulcanizing press sulfidization molding that adopts Taiwan High Speed Rail Testing Instruments company limited to produce behind the rubber unvulcanizate age overnight, 180 ℃ * 20min of cure conditions, adopt the GT-AI-3000 tension testing machine to carry out conventional physical and mechanical properties and detect, the dynamic ozone ageing case of 3MR-3RV-140 that adopts Germany to produce carries out the ozone ageing test.(following embodiment all adopts identical method)
Oil resistant and ozone resistance are as follows:
(40 ℃ * 70h) volume change 18.39% in the gasoline of anti-93#
(40 ℃ * 70h) volume change 24.55% of the modified fuel oils of anti-ethanol
Anti-ozone (40 ℃ * 70h of 200pphm stretches 20%) does not have be full of cracks
Embodiment 2:
100 parts of butyronitrile PVC
40 parts of N550
20 parts of N990
15 parts of DOP
15 parts of MgO
4 parts in zinc oxide
3 parts of DM
1.5 parts of BIPB
2.5 parts of TAIC-70
0.4 part of Sulfur
Gu grand 5 parts of horse
1 part of Microcrystalline Wax
3 parts of hard ester acid
2 parts of 4010Na
1 part of RD
Oil resistant and ozone resistance are as follows:
(40 ℃ * 70h) volume change 17.58% in the gasoline of anti-93#
(40 ℃ * 70h) volume change 23.67% of the modified fuel oils of anti-ethanol
Anti-ozone (40 ℃ * 70h of 200pphm stretches 20%) does not have be full of cracks
Embodiment 3:
100 parts of butyronitrile PVC
30 parts of N550
30 parts of N990
10 parts of DOP
10 parts of MgO
7 parts in zinc oxide
2 parts of DM
2 parts of BIPB
2 parts of TAIC-70
0.3 part of Sulfur
Gu grand 4 parts of horse
1.5 parts of Microcrystalline Waxes
2 parts of hard ester acid
1.5 parts of 4010Na
1.5 parts of RD
Oil resistant and ozone resistance are as follows:
(40 ℃ * 70h) volume change 18.26% in the gasoline of anti-93#
(40 ℃ * 70h) volume change 24.35% of the modified fuel oils of anti-ethanol
Anti-ozone (40 ℃ * 70h of 200pphm stretches 20%) does not have be full of cracks
Embodiment 4:
100 parts of butyronitrile PVC
20 parts of N550
40 parts of N990
5 parts of DOP
12 parts of MgO
5 parts in zinc oxide
2 parts of DM
2 parts of BIPB
1.8 parts of TAIC-70
0.3 part of Sulfur
Gu grand 5 parts of horse
1 part of Microcrystalline Wax
1 part of hard ester acid
1.5 parts of 4010Na
1.5 parts of RD
Oil resistant and ozone resistance are as follows:
(40 ℃ * 70h) volume change 16.44% in the gasoline of anti-93#
(40 ℃ * 70h) volume change 24.39% of the modified fuel oils of anti-ethanol
Anti-ozone (40 ℃ * 70h of 200pphm stretches 20%) does not have be full of cracks
Embodiment 5:
100 parts of butyronitrile PVC
25 parts of N550
35 parts of N990
8 parts of DOP
12 parts of MgO
5 parts in zinc oxide
2 parts of DM
2 parts of BIPB
1.8 parts of TAIC-70
0.3 part of Sulfur
Gu grand 4 parts of horse
1 part of Microcrystalline Wax
1 part of hard ester acid
1.5 parts of 4010Na
1.5 parts of RD
Oil resistant and ozone resistance are as follows:
(40 ℃ * 70h) volume change 17.12% in the gasoline of anti-93#
(40 ℃ * 70h) volume change 25.15% of the modified fuel oils of anti-ethanol
Anti-ozone (40 ℃ * 70h of 200pphm stretches 20%) does not have be full of cracks
The formula of rubber hose of the high-concentration ozone resistant that the present invention proposes, be described by embodiment, person skilled obviously can be changed or suitably change and combination prescription as herein described in not breaking away from content of the present invention, spirit and scope, realizes technology of the present invention.Special needs to be pointed out is, the replacement that all are similar and change apparent to those skilled in the artly, they are regarded as being included in spirit of the present invention, scope and the content.
Claims (2)
1. the sebific duct of a high-concentration ozone resistant is characterized in that component and mass fraction are as follows:
100 parts of the butyronitrile PVC rubber of latex coprecipitation method preparation,
Fast 20～40 parts of the carbon black N550 that extrude,
20～40 parts of carbon black MT N990,
5～15 parts of dioctyl ester DOP,
5～15 parts of light magnesium oxide MgO,
4～10 parts in zinc oxide,
1.5～3 parts of dibenzothiazyl disulfide DM,
1.5～3 parts of 1,4 bis tert butyl peroxy isopropyl benzene BIPB,
1.5～2.5 parts of iso-cyanuric acid triallyl ester TAIC-70,
0.2～0.4 part in sulphur,
Gu grand 3～5 parts of horse,
1～3 part of stearic acid
1～2 part of Microcrystalline Wax,
1～2 part of N-sec.-propyl-N '-diphenyl-para-phenylene diamine 4010Na
2,2,4-trimethylammonium-1,1～2 part of 2-dihyaroquinoline polymer RD.
2. the sebific duct of high-concentration ozone resistant as claimed in claim 1 is characterized in that the proportioning of paracril and polyvinyl chloride is 70: 30 in the described butyronitrile PVC rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100689371A CN101555327B (en) | 2009-05-19 | 2009-05-19 | Formulation of high-concentration ozone resistant rubber tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100689371A CN101555327B (en) | 2009-05-19 | 2009-05-19 | Formulation of high-concentration ozone resistant rubber tube |
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| CN101555327A CN101555327A (en) | 2009-10-14 |
| CN101555327B true CN101555327B (en) | 2011-01-26 |
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| CN2009100689371A Expired - Fee Related CN101555327B (en) | 2009-05-19 | 2009-05-19 | Formulation of high-concentration ozone resistant rubber tube |
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Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101781414B (en) * | 2009-12-12 | 2011-11-16 | 天津鹏翎胶管股份有限公司 | Formula of inner ply compound of microwave-vulcanized double-compound rubber tube |
| CN102585311B (en) * | 2011-01-13 | 2015-03-18 | 浙江久运车辆部件有限公司 | Fuel resistant rubber material |
| CN102219945B (en) * | 2011-05-24 | 2016-08-03 | 天津市天宇胶管有限公司 | The preparation method of the rubber of a kind of gas hose and goods |
| CN102229715B (en) * | 2011-05-26 | 2012-08-15 | 宁波市天基汽车部件有限公司 | Preparation method of heat/ozone/compressive deformation resistant rubber material for automobile sealing element |
| CN103113634B (en) * | 2011-11-17 | 2015-07-22 | 青岛茂林橡胶制品有限公司 | Rubber corrugated protecting gum cover and preparation method thereof |
| CN102604262A (en) * | 2012-03-08 | 2012-07-25 | 漯河市力源橡胶有限公司 | Rubber-plastic alloy rubber for hydraulic rubber hose and preparation method for same |
| CN103396624B (en) * | 2013-07-15 | 2015-08-05 | 胡本巨 | A kind of antistatic PVC and preparation method thereof |
| CN104371212B (en) * | 2014-10-22 | 2017-08-04 | 漯河市固特威橡胶制品有限公司 | High-performance steel wire-wound hydraulic sebific duct novel high polymer mixing material |
| CN104262709A (en) * | 2014-10-22 | 2015-01-07 | 柳州市颖航汽配有限公司 | Rubber part of automobile gas inlet pipe |
| CN104448435B (en) * | 2014-11-27 | 2016-06-08 | 天津鹏翎胶管股份有限公司 | A kind of resistance to butyronitrile 120 DEG C aging/polrvinyl chloride rubber composition |
| CN104629118A (en) * | 2015-01-29 | 2015-05-20 | 漯河利通液压科技股份有限公司 | Blue outer layer rubber for hydraulic rubber hoses and preparation method thereof |
| CN104844857A (en) * | 2015-05-08 | 2015-08-19 | 柳州日高橡胶制品有限责任公司 | Rubbers for manufacturing venting rubber hose of carbon tank and preparation method thereof |
| CN109553823A (en) * | 2018-11-28 | 2019-04-02 | 天津市橡胶工业研究所有限公司 | Marine piping cladding rubber damping material and preparation method |
| CN110204805A (en) * | 2019-06-20 | 2019-09-06 | 宁国市正道橡塑零部件有限公司 | A kind of resistance to ozone low pressure becomes nitrile rubber and preparation method thereof |
| CN110967454B (en) * | 2019-12-23 | 2022-06-07 | 中国航空工业集团公司沈阳飞机设计研究所 | Distributed oxygen concentration real-time measurement system and method |
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Address after: 300270 No. 1703, Ge Wan Road, Zhong Tang Industrial Zone, Binhai New Area, Tianjin Patentee after: TIANJIN PENGLING GROUP Co.,Ltd. Address before: 300384 No. 1703, Ge Wan Road, Grand Port, Tianjin Patentee before: Tianjin Pengling Rubber Hose Co.,Ltd. |
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Granted publication date: 20110126 |
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