CN102532624A - Rubber alloy material of ethanol-resisting gasoline diaphragm of fuel pressure regulator and preparation method of rubber alloy material - Google Patents
Rubber alloy material of ethanol-resisting gasoline diaphragm of fuel pressure regulator and preparation method of rubber alloy material Download PDFInfo
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- CN102532624A CN102532624A CN2011103878565A CN201110387856A CN102532624A CN 102532624 A CN102532624 A CN 102532624A CN 2011103878565 A CN2011103878565 A CN 2011103878565A CN 201110387856 A CN201110387856 A CN 201110387856A CN 102532624 A CN102532624 A CN 102532624A
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 44
- 239000005060 rubber Substances 0.000 title claims abstract description 44
- 239000000956 alloy Substances 0.000 title claims abstract description 35
- 239000000446 fuel Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- 238000002156 mixing Methods 0.000 claims abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 24
- 229920005558 epichlorohydrin rubber Polymers 0.000 claims description 24
- 229920013649 Paracril Polymers 0.000 claims description 19
- 238000005728 strengthening Methods 0.000 claims description 19
- 238000004073 vulcanization Methods 0.000 claims description 18
- 239000004902 Softening Agent Substances 0.000 claims description 16
- 238000012856 packing Methods 0.000 claims description 16
- 239000006238 High Abrasion Furnace Substances 0.000 claims description 12
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 12
- 239000003963 antioxidant agent Substances 0.000 claims description 12
- 230000003078 antioxidant effect Effects 0.000 claims description 12
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical group CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 12
- MIMDHDXOBDPUQW-UHFFFAOYSA-N dioctyl decanedioate Chemical compound CCCCCCCCOC(=O)CCCCCCCCC(=O)OCCCCCCCC MIMDHDXOBDPUQW-UHFFFAOYSA-N 0.000 claims description 12
- 235000012204 lemonade/lime carbonate Nutrition 0.000 claims description 12
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- PDQAZBWRQCGBEV-UHFFFAOYSA-N Ethylenethiourea Chemical group S=C1NCCN1 PDQAZBWRQCGBEV-UHFFFAOYSA-N 0.000 claims description 8
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims description 8
- XMFOQHDPRMAJNU-UHFFFAOYSA-N lead(ii,iv) oxide Chemical compound O1[Pb]O[Pb]11O[Pb]O1 XMFOQHDPRMAJNU-UHFFFAOYSA-N 0.000 claims description 7
- -1 thiol group sulfo-triazines Chemical class 0.000 claims description 7
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 claims description 6
- 239000006240 Fast Extruding Furnace Substances 0.000 claims description 6
- 239000006242 Semi-Reinforcing Furnace Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims description 6
- 230000003712 anti-aging effect Effects 0.000 claims description 6
- CSNJTIWCTNEOSW-UHFFFAOYSA-N carbamothioylsulfanyl carbamodithioate Chemical compound NC(=S)SSC(N)=S CSNJTIWCTNEOSW-UHFFFAOYSA-N 0.000 claims description 6
- 239000006229 carbon black Substances 0.000 claims description 6
- 239000004927 clay Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000006234 thermal black Substances 0.000 claims description 6
- 239000011787 zinc oxide Substances 0.000 claims description 6
- 230000009194 climbing Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 238000010074 rubber mixing Methods 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 238000005987 sulfurization reaction Methods 0.000 claims description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 5
- 230000032683 aging Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 239000002904 solvent Substances 0.000 abstract description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 4
- 229920000459 Nitrile rubber Polymers 0.000 abstract 3
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 abstract 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 2
- 229910052801 chlorine Inorganic materials 0.000 abstract 2
- 239000000460 chlorine Substances 0.000 abstract 2
- 230000003213 activating effect Effects 0.000 abstract 1
- 238000005275 alloying Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 239000004014 plasticizer Substances 0.000 abstract 1
- 239000012744 reinforcing agent Substances 0.000 abstract 1
- 229960002447 thiram Drugs 0.000 description 6
- 229920001897 terpolymer Polymers 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000003679 aging effect Effects 0.000 description 3
- LSWYGACWGAICNM-UHFFFAOYSA-N 2-(prop-2-enoxymethyl)oxirane Chemical compound C=CCOCC1CO1 LSWYGACWGAICNM-UHFFFAOYSA-N 0.000 description 2
- LRWZZZWJMFNZIK-UHFFFAOYSA-N 2-chloro-3-methyloxirane Chemical compound CC1OC1Cl LRWZZZWJMFNZIK-UHFFFAOYSA-N 0.000 description 2
- 230000002075 anti-alcohol Effects 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229940069744 2,2'-dithiobisbenzothiazole Drugs 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000012660 binary copolymerization Methods 0.000 description 1
- 125000004218 chloromethyl group Chemical group [H]C([H])(Cl)* 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- AFZSMODLJJCVPP-UHFFFAOYSA-N dibenzothiazol-2-yl disulfide Chemical compound C1=CC=C2SC(SSC=3SC4=CC=CC=C4N=3)=NC2=C1 AFZSMODLJJCVPP-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Diaphragms And Bellows (AREA)
Abstract
The invention provides a rubber alloy material of an ethanol-resisting gasoline diaphragm of a fuel pressure regulator and relates to a preparation method of the rubber alloy material of the ethanol-resisting gasoline diaphragm of the car fuel pressure regulator, which overcome the defects that the diaphragm which is used by the existing car fuel system regulator and takes butadiene-acrylonitrile rubber as a main material does not resist an ethanol solvent, and the cold resistance and the ozone aging resistance of the diaphragm are poor. The rubber alloy material is prepared from the butadiene-acrylonitrile rubber and chlorine ether rubber in an alloying way. The rubber alloy material is composed of the butadiene-acrylonitrile rubber, the chlorine ether rubber, a filling reinforcing agent, a vulcanizing system, a protection system, an activating agent and a plasticizer. The preparation method of the rubber alloy material comprises the following steps of: (1) plastifying; (2) mixing; and (3) vulcanizing and molding. The rubber alloy material of the ethanol-resisting gasoline diaphragm of the fuel pressure regulator, provided by the invention, has excellent oil resistance and solvent resistance and also has the cold resistance and the ozone aging resistance. The preparation method of the rubber alloy material has the advantages of simplicity, easiness in operation and less equipment investment.
Description
Technical field
The present invention relates to a kind of automobile fuel pressure setter ethanol petrol resistant diaphragm rubber alloy material and preparation method.
Background technology
Along with the develop rapidly of automotive industry, automobile component are proposed increasingly high requirement, only improve constantly the quality of component, could make the automobile of high tap position.And, in recent years, for save energy, the protection environment, in automotive industry, clean fuel is used many more, as contains the fuel oil of additives such as methyl alcohol, ethanol or aromatic hydroxy compound.Thus, higher performance requriements has been proposed the cross-linked rubber that in the oil fuel system, uses.The automobile fuel pressure regulator diaphragm not only requires it to have excellent oil resistant, solvent resistance, and it is good to have winter hardiness again, characteristics such as anti-ozone ageing property height.
The automobile fuel pressure regulator diaphragm is to be the material of main part preparation with the paracril at present.It is good to be mainly reflected in oil-proofness, superior, but its ethanol petrol resistant property and ozone resistance are relatively poor, can not satisfy the needs of present prime the fuel system.
Automobile fuel pressure setter ethanol petrol resistant diaphragm material of the present invention is according to close compatibility principle.Adopt paracril and the blend of terpolymer epichlorohydrin rubber, select special vulcanization system, improve the degree of crosslinking of cross-linked rubber, it is aging to suppress the cross-linked rubber deliquescing; Suitable and use than promptly improving the anti-alcohol performance of paracril, winter hardiness and dynamic property can be improved the petrol-resistance and the machine-shaping property of epichlorohydrin rubber again, thereby satisfy the technical feature and the design requirements of automobile fuel pressure regulator diaphragm.
Summary of the invention
Order of the present invention ground is in order to solve the not defective of ethanol petrol resistant, winter hardiness and ozone-resistant aging property difference of present automobile fuel pressure regulator diaphragm, and a kind of automobile fuel pressure setter ethanol petrol resistant diaphragm rubber alloy material and the preparation method that provide
Ethanol petrol resistant diaphragm rubber alloy material; It is characterized in that the diaphragm-operated rubber alloy material by ratio of weight and the number of copies, by 50～75 parts of paracrils, 25～50 parts of epichlorohydrin rubbers; 30～40 parts of packing strengthening agents; 0.5～1.5 part of protection system of 5～10 parts of vulcanization systems, 2～8 parts of acvators, 10～20 parts of softening agent.Wherein packing strengthening agent is fast extruding furnace black, high abrasion furnace black(HAF), semi-reinforcing furnace black and middle particle thermal black, WHITE CARBON BLACK, potter's clay, lime carbonate; Vulcanization system is ethylene thiourea (accelerant N A-22), thiuram-disulfide (TMTD), sulphenamide, 2,4,6-three thiol group sulfo-triazines; Protection system is antioxidant MB I, anti-aging agent RD, antioxidant D, antioxidant NBC; Acvator is zinc oxide, tri-lead tetroxide, Natural manganese dioxide lime carbonate; Softening agent is Witcizer 300 (DBP), DOP (DOP), dioctyl sebacate (DOS), Tritolyl Phosphate (TCP).
The preparation method of ethanol petrol resistant diaphragm rubber alloy material is characterized in that the diaphragm-operated rubber alloy material prepares according to the following steps: plasticate 50～75 parts of paracrils and epichlorohydrin rubber respectively for 25～50 parts (1) on rubber mixing mill, plasticating temperature is controlled at about 30 ℃; Roller speed ratio 1: 1.1～1.2 with the climbing frame cooling, improves the effect of plasticating in the process of plasticating; (2) will plastify good paracril and epichlorohydrin rubber blend in mill, after the blend evenly, roll spacing is suitably amplified; Add 0.5～1.5 part of protection system, thin logical 2～3 times, and rubber tapping turns refining and adds 2～8 parts in acvator; 30～40 parts of 1/3～1/2 packing strengthening agents, residue strengthening agent and softening agent are mixed thoroughly simultaneously for 10～20 parts and added, and be last; Add 5～10 parts of vulcanization accelerators, treat the thin logical sheet down in mixing even back, with the blend glue that mixes on vulcanizing press; Under certain temperature, pressure, time conditions,, promptly obtain the novel ethanol petrol resistant pressure-regulator of finished product diaphragm with corresponding mould sulfuration.Wherein packing strengthening agent is fast extruding furnace black, high abrasion furnace black(HAF), semi-reinforcing furnace black and middle particle thermal black, WHITE CARBON BLACK, potter's clay, lime carbonate; Vulcanization system is ethylene thiourea (accelerant N A-22), thiuram-disulfide (TMTD), sulphenamide, 2,4,6-three thiol group sulfo-triazines; Protection system is antioxidant MB I, anti-aging agent RD, antioxidant D, antioxidant NBC; Acvator is zinc oxide, tri-lead tetroxide, Natural manganese dioxide, lime carbonate; Softening agent is Witcizer 300 (DBP), DOP (DOP), dioctyl sebacate (DOS), Tritolyl Phosphate (TCP).
The present invention selects paracril and the blend of ternary epichlorohydrin rubber, has improved epichlorohydrin rubber petrol-resistance and processing forming; Anti-alcohol performance, winter hardiness and the dynamic property of paracril have also been improved.
The present invention adopts the terpolymer epichlorohydrin rubber, i.e. oxyethane, epoxy chloropropane and glycidyl allyl ether terpolymer.Wherein the side chain of epoxy chloropropane contains high polarity chloromethyl, therefore gives multipolymer good fuel resistance; The monomer of oxyethane is to give multipolymer cryogenic subduing flexibility, heat-resistant aging, ozone resistance; And that the side chain of glycidyl allyl ether contains the reactivity of two keys is higher than main chain, can stop the fracture of main chain.
The special vulcanization system that the present invention adopts: ethylene thiourea (NA-22) and tetramethyl-thiuram disulfide (TMTD) and usefulness add a small amount of tri-lead tetroxide and 1 part simultaneously; 2,2 '-dithio-bis-benzothiazole (DBTS), can improve the crosslinking degree of cross-linked rubber, suppress the aging deliquescing of epichlorohydrin rubber.
Ethanol petrol resistant diaphragm rubber alloy material of the present invention, its preparation method is simple, processing ease, facility investment are few.
Embodiment
Embodiment one: this embodiment ethanol petrol resistant diaphragm rubber alloy material by ratio of weight and the number of copies; By 50～75 parts of paracrils; 25～50 parts of epichlorohydrin rubbers, 30～40 parts of packing strengthening agents, 5～10 parts of vulcanization systems; 0.5～1.5 parts of protection systems, 10～20 parts of softening agent of 2～8 parts of acvators.Wherein packing strengthening agent is fast extruding furnace black, high abrasion furnace black(HAF), semi-reinforcing furnace black and middle particle thermal black, WHITE CARBON BLACK, potter's clay, lime carbonate; Vulcanization system is ethylene thiourea (accelerant N A-22), thiuram-disulfide (TMTD), sulphenamide, 2,4,6-three thiol group sulfo-triazines; Protection system is antioxidant MB I, anti-aging agent RD, antioxidant D, antioxidant NBC; Acvator is zinc oxide, tri-lead tetroxide, Natural manganese dioxide, lime carbonate; Softening agent is Witcizer 300 (DBP), DOP (DOP), dioctyl sebacate (DOS), Tritolyl Phosphate (TCP).
Embodiment two: this embodiment is that ethanol petrol resistant diaphragm rubber alloy material is by ratio of weight and the number of copies by 60～70 parts of paracrils with the difference of embodiment one; 30～40 parts of epichlorohydrin rubbers; 32～37 parts of packing strengthening agents; 0.8～1.2 part of protection system of 6～8 vulcanization systems, 12～18 parts of softening agent of 3～5 parts of acvators are processed.Other is identical with embodiment one.
Embodiment three: this embodiment is that new ethanol petrol resistant diaphragm rubber alloy material is by ratio of weight and the number of copies by 65 parts of paracrils with the difference of embodiment one; 35 parts of epichlorohydrin rubbers; 35 parts of packing strengthening agents; 7.5 1.0 parts of protection systems of vulcanization system, 4 parts of acvators, 15 parts of softening agent are formed.Other is identical with embodiment one.
Embodiment four: the preparation method of ethanol petrol resistant diaphragm rubber alloy material, it is characterized in that ethanol petrol resistant diaphragm rubber alloy material prepares according to the following steps: plasticate 50～75 parts of paracrils and 25～50 parts of epichlorohydrin rubbers respectively (1) on rubber mixing mill, plasticating temperature is controlled at about 30 ℃; Roller speed ratio 1: 1.1～1.2 with the climbing frame cooling, improves the effect of plasticating in the process of plasticating; (2) will plastify good paracril and epichlorohydrin rubber blend in mill, after the blend evenly, roll spacing is suitably amplified; Add 0.5～1.5 part of protection system, thin logical 2～3 times, and rubber tapping turns refining and adds 2～8 parts in acvator; 30～40 parts of 1/3～1/2 packing strengthening agents, residue strengthening agent and softening agent are mixed thoroughly simultaneously for 10～20 parts and added, and be last; Add 5～10 parts of vulcanization accelerators; Treat the thin logical sheet down in mixing even back, with the blend glue that mixes on vulcanizing press, under certain temperature, pressure, time conditions; With corresponding mould sulfuration, promptly obtain the novel ethanol petrol resistant pressure-regulator of finished product diaphragm.Wherein packing strengthening agent is fast extruding furnace black, high abrasion furnace black(HAF), semi-reinforcing furnace black and middle particle thermal black, WHITE CARBON BLACK, potter's clay, lime carbonate; Vulcanization system is ethylene thiourea (accelerant N A-22), thiuram-disulfide (TMTD), sulphenamide, 2,4,6-three thiol group sulfo-triazines; Protection system is antioxidant MB I, anti-aging agent RD, antioxidant D, antioxidant NBC; Acvator is zinc oxide, tri-lead tetroxide, Natural manganese dioxide, lime carbonate; Softening agent is Witcizer 300 (DBP), DOP (DOP), dioctyl sebacate (DOS), Tritolyl Phosphate (TCP).
Epichlorohydrin rubber in this embodiment can be homopolymerization epichlorohydrin rubber, binary copolymerization epichlorohydrin rubber, terpolymer epichlorohydrin rubber.
The automobile fuel pressure setter ethanol petrol resistant diaphragm rubber alloy material that this embodiment is prepared has ethanol petrol resistant property, winter hardiness and anti-ozone ageing property.
The automobile fuel pressure setter ethanol petrol resistant diaphragm rubber alloy material that this embodiment is prepared carries out Performance Detection, and it is as shown in table 1 to detect data:
Table 1
| Project | Performance index |
| Hardness, Shao Er A | 65±5 |
| Tensile strength, MPa | ≥12 |
| Elongation, % | ≥350 |
| The crackle time appears, h | ≥270 |
| Ethanol petrol resistant property (40 ℃ * 7d) volume change, % | ≤10 |
| Changes in hardness | ≤5 |
Embodiment five: this embodiment with the difference of embodiment four is: the paracril that will plasticate and epichlorohydrin rubber, mixing in Banbury mixer, other step is identical with embodiment four.
Embodiment six: this embodiment divides four groups of Performance Detection of carrying out automobile fuel pressure setter ethanol petrol resistant diaphragm rubber alloy material; Preparation process and parameter are identical with embodiment four with embodiment; The component of four groups of automobile fuel pressure setter ethanol petrol resistant diaphragm rubber alloy materials is as shown in table 2, and performance is as shown in table 3.
Table 2
Table 3
Claims (4)
1. fuel pressure regulator ethanol petrol resistant diaphragm rubber alloy material is characterized in that the diaphragm-operated rubber alloy material by ratio of weight and the number of copies, by 50～75 parts of paracrils; 25～50 parts of epichlorohydrin rubbers; 30～40 parts of packing strengthening agents, 5～10 parts of vulcanization systems, 0.5～1.5 part of protection system; 2～8 parts of acvators, 10～20 parts of softening agent; Wherein packing strengthening agent is that fast extruding furnace black, high abrasion furnace black(HAF), semi-reinforcing furnace black and middle particle thermal black, WHITE CARBON BLACK, potter's clay, lime carbonate can be a kind of, also can be two or more and usefulness; Vulcanization system is ethylene thiourea (accelerant N A-22), thiuram-disulfide (TMTD), sulphenamide, 2,4, and 6-three thiol group sulfo-triazines can be a kind of, also can be two or more and usefulness.Protection system is that antioxidant MB I, anti-aging agent RD, antioxidant D, antioxidant NBC can be a kind of, also can be two or more and uses.Acvator is that zinc oxide, tri-lead tetroxide, Natural manganese dioxide, lime carbonate can be a kind of, also can be two or more and uses; Softening agent is Witcizer 300 (DBP), DOP (DOP), dioctyl sebacate (DOS), Tritolyl Phosphate (TCP), can be a kind of, also can be two or more and usefulness.
2. fuel pressure regulator ethanol petrol resistant diaphragm rubber alloy material according to claim 1; It is characterized in that the diaphragm-operated rubber alloy material is by ratio of weight and the number of copies by 60～70 parts of paracrils; 30～40 parts of epichlorohydrin rubbers; 32～37 parts of packing strengthening agents, 0.8～1.2 part of protection system of 6～8 vulcanization systems, 12～18 parts of softening agent of 3～5 parts of acvators are processed.
3. fuel pressure regulator ethanol petrol resistant diaphragm rubber alloy material according to claim 1; It is characterized in that the diaphragm-operated rubber alloy material by ratio of weight and the number of copies by 65 parts of paracrils, 35 parts of epichlorohydrin rubbers, 35 parts of packing strengthening agents; 7.5 vulcanization system; 1.0 part protection system, 4 parts of acvators, 15 parts of softening agent are processed.
4. the preparation method of fuel pressure regulator ethanol petrol resistant diaphragm rubber alloy material is characterized in that the diaphragm-operated rubber alloy material prepares according to the following steps: plasticate 50～75 parts of paracrils respectively for 25～50 parts with epichlorohydrin rubber (1) on rubber mixing mill, plasticating temperature is controlled at about 30 ℃; Roller speed ratio 1: 1.1～1.2 with the climbing frame cooling, improves the effect of plasticating in the process of plasticating; (2) will plastify good paracril and epichlorohydrin rubber blend in mill, after the blend evenly, roll spacing is suitably amplified; Add 0.5～1.5 part of protection system, thin logical 2～3 times, and rubber tapping turns refining and adds 2～8 parts in acvator; 30～40 parts of 1/3～1/2 packing strengthening agents, residue strengthening agent and softening agent are mixed thoroughly simultaneously for 10～20 parts and added, and be last; Add 5～10 parts of vulcanization accelerators; Treat the thin logical sheet down in mixing even back, with the blend glue that mixes on vulcanizing press, under certain temperature, pressure, time conditions; With corresponding mould sulfuration, promptly obtain finished fuel pressure-regulator ethanol petrol resistant diaphragm rubber alloy material; Wherein packing strengthening agent is fast extruding furnace black, high abrasion furnace black(HAF), semi-reinforcing furnace black and middle particle thermal black, WHITE CARBON BLACK, potter's clay, lime carbonate; Vulcanization system is ethylene thiourea (accelerant N A-22), thiuram-disulfide (TMTD), sulphenamide, 2,4,6-three thiol group sulfo-triazines; Protection system is antioxidant MB I, anti-aging agent RD, antioxidant D, antioxidant NBC; Acvator is zinc oxide, tri-lead tetroxide, Natural manganese dioxide, lime carbonate; Softening agent is Witcizer 300 (DBP), DOP (DOP), dioctyl sebacate (DOS), Tritolyl Phosphate (TCP).
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Cited By (5)
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| CN105860170A (en) * | 2016-06-06 | 2016-08-17 | 淮南曹庵润龙塑业有限公司 | Tantalum carbide reinforced nitrile rubber sealing gasket and preparation method thereof |
| CN114957959A (en) * | 2022-05-27 | 2022-08-30 | 中国第一汽车股份有限公司 | Epichlorohydrin rubber composition and application thereof |
| CN114292513B (en) * | 2021-12-29 | 2023-09-19 | 宁波泰科威橡胶科技有限公司 | High-tolerance intake manifold membrane and preparation method thereof |
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| CN103497499A (en) * | 2013-09-24 | 2014-01-08 | 安徽锐视光电技术有限公司 | Nano-pottery clay-containing rubber seal ring material and preparation method thereof |
| CN103554891A (en) * | 2013-10-25 | 2014-02-05 | 安徽文峰电子科技集团有限公司 | Oil-resistant and ultraviolet-resistant modified epoxy chloropropane rubber cable material |
| CN105860170A (en) * | 2016-06-06 | 2016-08-17 | 淮南曹庵润龙塑业有限公司 | Tantalum carbide reinforced nitrile rubber sealing gasket and preparation method thereof |
| CN114292513B (en) * | 2021-12-29 | 2023-09-19 | 宁波泰科威橡胶科技有限公司 | High-tolerance intake manifold membrane and preparation method thereof |
| CN114957959A (en) * | 2022-05-27 | 2022-08-30 | 中国第一汽车股份有限公司 | Epichlorohydrin rubber composition and application thereof |
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