CN101307178A - Epichlorohydrin rubber composition sulfidization molding products thereof - Google Patents
Epichlorohydrin rubber composition sulfidization molding products thereof Download PDFInfo
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- CN101307178A CN101307178A CNA2007100408167A CN200710040816A CN101307178A CN 101307178 A CN101307178 A CN 101307178A CN A2007100408167 A CNA2007100408167 A CN A2007100408167A CN 200710040816 A CN200710040816 A CN 200710040816A CN 101307178 A CN101307178 A CN 101307178A
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- CN
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- Prior art keywords
- rubber
- rubber combination
- described rubber
- chlorohydrin
- polyether
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- Pending
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- 239000000203 mixture Substances 0.000 title claims abstract description 21
- 238000000465 moulding Methods 0.000 title claims description 9
- 229920005558 epichlorohydrin rubber Polymers 0.000 title 1
- 229920001971 elastomer Polymers 0.000 claims abstract description 65
- 239000005060 rubber Substances 0.000 claims abstract description 64
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 229920000058 polyacrylate Polymers 0.000 claims abstract description 3
- XENVCRGQTABGKY-ZHACJKMWSA-N chlorohydrin Chemical compound CC#CC#CC#CC#C\C=C\C(Cl)CO XENVCRGQTABGKY-ZHACJKMWSA-N 0.000 claims description 18
- -1 acrylic ester Chemical class 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 238000007334 copolymerization reaction Methods 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- 239000004902 Softening Agent Substances 0.000 claims description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 2
- 125000005396 acrylic acid ester group Chemical group 0.000 claims description 2
- 229920000800 acrylic rubber Polymers 0.000 claims description 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N aminothiocarboxamide Natural products NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000004132 cross linking Methods 0.000 claims description 2
- 150000004292 cyclic ethers Chemical group 0.000 claims description 2
- 125000003700 epoxy group Chemical group 0.000 claims description 2
- 239000003063 flame retardant Substances 0.000 claims description 2
- 229920001519 homopolymer Polymers 0.000 claims description 2
- 238000007151 ring opening polymerisation reaction Methods 0.000 claims description 2
- 239000004721 Polyphenylene oxide Substances 0.000 claims 2
- 229920000570 polyether Polymers 0.000 claims 2
- 229920000642 polymer Polymers 0.000 claims 2
- 125000005250 alkyl acrylate group Chemical group 0.000 claims 1
- 229920001577 copolymer Polymers 0.000 claims 1
- 239000000446 fuel Substances 0.000 abstract description 4
- 229920002449 FKM Polymers 0.000 description 12
- 239000010410 layer Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 6
- 239000000295 fuel oil Substances 0.000 description 5
- 238000005987 sulfurization reaction Methods 0.000 description 5
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 4
- 238000004073 vulcanization Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000003712 anti-aging effect Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010074 rubber mixing Methods 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- PPQREHKVAOVYBT-UHFFFAOYSA-H dialuminum;tricarbonate Chemical compound [Al+3].[Al+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O PPQREHKVAOVYBT-UHFFFAOYSA-H 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 239000004636 vulcanized rubber Substances 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229920001875 Ebonite Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 125000005907 alkyl ester group Chemical group 0.000 description 1
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 description 1
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 229960001708 magnesium carbonate Drugs 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a chlorohydrine rubber composition and a vulcanized product thereof. The rubber composition comprises 100 weight portions of chlorohydrine rubber, 5 to 60 weight portions of polyacrylate rubber and 0.05 to 10 weight portions of vulcanzing agent. The chlorohydrine rubber composition of the invention can be used to made intermediate layers of automotive fuel rubber pipe. The composition has excellent adhesiveness with fluorous rubber inner layers and can improve the high temperature resistance of the intermediate layers at the same time.
Description
Technical field
The present invention relates to a kind of chlorohydrin rubber composition and sulfidization molding products thereof, particularly relate to a kind of chlorohydrin rubber composition and sulfidization molding products thereof that is used to make the rubber tube of automobile fuel oil middle layer.
Background technology
Because viton has low-down fuel oil rate of permeation, volume change is little in containing the fuel oil of methanol/ethanol/methyl tertiary butyl ether simultaneously, fuelpipe with its manufacturing can guarantee that rate of permeation is low, so raising with environmental requirement, and the use of bio-fuel-oil, at present domesticly all make fuel hose for automobiles with viton.For satisfying cost and cryogenic requirement, usually only make the internal layer of fuel hose to stop the erosion of oil with viton, outermost layer ECO, materials such as CSM reduce cost, but problem sticking and difficult between the different rubber layers is arranged at the rubber hose of making multilayered structure, viton and ECO's etc. is directly sticking and very difficult, comes transition so increase interlayer structure during design.Method commonly used be the middle layer add sticking and auxiliary agent improve with the sticking of viton and, but exist processing characteristics bad, the defective that material cost is high.
Summary of the invention
The purpose of this invention is to provide a kind ofly can provide chlorohydrin rubber composition excellent sticking and property and high thermal resistance between viton and other rubber (as ECO or CSM).
Above-mentioned purpose can reach with following chlorohydrin rubber composition, and this rubber combination comprises 100 weight part chlorohydrin rubbers, 5-60 parts by weight of acrylic acid ester rubber and 0.05-10 weight part vulcanizing agent.
Another object of the present invention provides the sulfidization molding products of above-mentioned chlorohydrin rubber composition.
When chlorohydrin rubber composition of the present invention is used to make the rubber tube of automobile fuel oil middle layer, have well sticking and property, improved resistance to elevated temperatures simultaneously with the viton internal layer.
Embodiment
Chlorohydrin rubber described in the present invention is the polyether-type rubber that contains chlorine on the side group, is preferably formed by the cyclic ether ring-opening polymerization that contains epoxy group(ing).According to the difference of polymerization methods, can be divided into two kinds of homopolymer and multipolymers.Butyronitrile rubber is a kind of macromolecular elastomer that is formed through emulsion copolymerization by divinyl and vinyl cyanide.Molecular weight 1000-100 ten thousand, common about 700,000.
Acrylic elastomer is by acrylate, and normally alkyl ester is a principal monomer, a class elastomerics that forms with the monomer copolymerization that has the active group that crosslinking reaction can be provided on a small quantity.Common have reactive chlorine system, an epoxy systems etc.
With respect to the chlorohydrin rubber of 100 weight parts, add 5-60 parts by weight of acrylic ester rubber, be preferably the 15-50 weight part, more preferably the 20-40 weight part.Very little, the adherent DeGrain, too many then influence the medium-resistance of rubber.
In rubber combination of the present invention, use thiourea compound as vulcanizing agent.For the rubber of 100 weight, it is the 0.5-5 weight part that the consumption of vulcanizing agent is preferably.
In rubber combination of the present invention, can add various Synergist S-421 95s commonly used in the rubber.For example, as auxiliary weighting agent can use magnesium oxide, calcium oxide, zinc oxide, etc. metal oxide, carbonate such as magnesiumcarbonate, aluminium carbonate, broken sour calcium, barium carbonate, silicate such as Magnesium Silicate q-agent, Calucium Silicate powder, water glass, pure aluminium silicate, vitriol such as Tai-Ace S 150, calcium sulfate, barium sulfate, silicon bath soil, asbestos, lithopone (zinc sulphide/barium sulfate), carbon black, wollastonite etc.These weighting agents also can more than 2 kinds and be used.With respect to the viton of 100 weight parts, the consumption of these auxiliary weighting agents is 0-100 weight parts, normally the 20-80 weight part.
In addition, according to application target, can also add tinting material, fire retardant, stablizer, softening agent, oil-proof composition, scorch retarder etc.Their consumption generally is advisable with the performance that does not influence chlorohydrin rubber composition of the present invention.
Chlorohydrin rubber composition of the present invention can adopt common open roller or internal rubber mixer to vulcanize, can under common rubber hose cure conditions, carry out, for example carry out rubber combination mixing, extrude then, put into the encloses container that is full of high-temperature steam, under 130-180 ℃ of condition, kept 20-60 minute, carry out press vulcanization.After above-mentioned sulfuration, obtain molded article.
Rubber combination of the present invention can become the multilayer fuel hose with the viton co-extrusion.
Below by embodiment the present invention is described, but self-evident, the present invention is not subjected to the restriction of these embodiment.
Embodiment
Chlorohydrin rubber composition of the present invention by following method carry out mixing, vulcanize, make sample, and test various performances.
GB/T2941-1991 rubbery sample environment is regulated and touchstone temperature, humidity and time.
The test of GB/T528-1996 vulcanized rubber tensile property.
GB/T531-1996 rubber Shao Shi A type hardness tester test method.
The cooperation of GB6038 rubber test sizing material, mixing, sulfuration, equipment and schedule of operation.
The general provision that the test of GB/T5723-1993 hard rubber is measured with test piece and product size.
HG/T2198-1991 vulcanized rubber physical test method general requirement.
Embodiment 1
In 100 gram chlorohydrin rubbers (available from Daiso Co.), add 50 gram epoxy acrylate rubbers (commodity are called AR110), 30 gram thermalss (commodity are called N-550), 1 gram NBC (anti-aging agent), 8 grams 1, in 2-methylenethioureas and the 5 gram tri-lead tetroxides, in opening rubber mixing machine mixing at normal temperatures 20 minutes, obtain the sulfuration mixture.Then, rubber is pressed into the thick thin slice of 1mm and the thick viton thin slice of 1mm prepared is in addition put into the metal die of 2mm up and down, and press vulcanization is 10 minutes under the condition of 25 tons of moulding pressures, 170 ℃ of pressed temperatures, shape the test piece of 150x150x2mm, come test performance by range estimation.
Embodiment 2
In 100 gram chlorohydrin rubbers (available from Daiso Co.), add 10 gram epoxy acrylate rubbers (commodity are called AR110), 30 gram thermalss (commodity are called N-550), 1 gram NBC (anti-aging agent), 1.2 grams 1, in 2-methylenethioureas and the 5 gram tri-lead tetroxides, in opening rubber mixing machine mixing at normal temperatures 20 minutes, obtain the sulfuration mixture.Then, rubber is pressed into the thick thin slice of 1mm and the thick viton thin slice of 1mm prepared is in addition put into the metal die of 2mm up and down, and press vulcanization is 10 minutes under the condition of 25 tons of moulding pressures, 170 ℃ of pressed temperatures, shape the test piece of 150x150x2mm, come test performance by range estimation.
Comparative Examples 1
In 100 gram chlorohydrin rubbers (available from Daiso Co.), add 30 gram thermalss (commodity are called N-550), 1 gram NBC (anti-aging agent), 1.2 grams 1, in 2-methylenethioureas and the 5 gram tri-lead tetroxides, in opening rubber mixing machine mixing at normal temperatures 20 minutes, obtain the sulfuration mixture.Then, rubber is pressed into the thick thin slice of 1mm and the thick viton thin slice of 1mm prepared is in addition put into the metal die of 2mm up and down, and press vulcanization is 10 minutes under the condition of 25 tons of moulding pressures, 170 ℃ of pressed temperatures, shape the test piece of 150x150x2mm, come test performance by range estimation.
| Embodiment 1 | Embodiment 2 | Comparative Examples 1 | |
| Interlaminar adhesion | Combine closely pore-free | Combine closely pore-free | Interlayer has pore |
Claims (10)
1. rubber combination, it comprises 100 weight part chlorohydrin rubbers, 5-60 parts by weight of acrylic acid ester rubber and 0.05-10 weight part vulcanizing agent.
2. the described rubber combination of claim 1 is characterized in that, described chlorohydrin rubber is the polyether type polymer rubber that contains chlorine on the side group, is to be formed by the cyclic ether ring-opening polymerization that contains epoxy group(ing).
3. the described rubber combination of claim 2 is characterized in that, described polyether type polymer comprises polyether-type homopolymer and polyether-type copolymer.
4. the described rubber combination of claim 1 is characterized in that, described acrylic elastomer is a class elastomerics that is formed by acrylate and the monomer copolymerization that has the active group that crosslinking reaction can be provided on a small quantity.
5. the described rubber combination of claim 1 is characterized in that, described acrylate is an alkyl acrylate.
6. the described rubber combination of claim 1 is characterized in that, it comprises 15-50 parts by weight of acrylic ester rubber.
7. the described rubber combination of claim 1 is characterized in that, described vulcanizing agent is to be selected from thiourea compound.
8. the described rubber combination of claim 1 is characterized in that, it contains the vulcanizing agent of 0.5-5 weight part.
9. the described rubber combination of claim 1 is characterized in that, it also contains tinting material, fire retardant, stablizer, softening agent, oil-proof composition, scorch retarder or their mixture.
10. the sulfidization molding products of the described rubber combination of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100408167A CN101307178A (en) | 2007-05-18 | 2007-05-18 | Epichlorohydrin rubber composition sulfidization molding products thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100408167A CN101307178A (en) | 2007-05-18 | 2007-05-18 | Epichlorohydrin rubber composition sulfidization molding products thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101307178A true CN101307178A (en) | 2008-11-19 |
Family
ID=40123873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100408167A Pending CN101307178A (en) | 2007-05-18 | 2007-05-18 | Epichlorohydrin rubber composition sulfidization molding products thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101307178A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102731987A (en) * | 2012-05-30 | 2012-10-17 | 芜湖荣基密封系统有限公司 | Oil-resistant aging-resistant chlorhydrin rubber and polyacrylate rubber mixed rubber sealing ring |
| CN103073872A (en) * | 2011-10-25 | 2013-05-01 | 比亚迪股份有限公司 | Chlorohydrin rubber composition and fuel oil rubber tube |
| CN103804882A (en) * | 2014-03-11 | 2014-05-21 | 浙江久运车辆部件有限公司 | High-performance chlorohydrin rubber and preparation method thereof |
| CN113354892A (en) * | 2021-06-01 | 2021-09-07 | 大连仓敷橡胶零部件有限公司 | Special outer rubber material for automobile FKM fuel rubber pipe and manufacturing method |
-
2007
- 2007-05-18 CN CNA2007100408167A patent/CN101307178A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103073872A (en) * | 2011-10-25 | 2013-05-01 | 比亚迪股份有限公司 | Chlorohydrin rubber composition and fuel oil rubber tube |
| CN102731987A (en) * | 2012-05-30 | 2012-10-17 | 芜湖荣基密封系统有限公司 | Oil-resistant aging-resistant chlorhydrin rubber and polyacrylate rubber mixed rubber sealing ring |
| CN103804882A (en) * | 2014-03-11 | 2014-05-21 | 浙江久运车辆部件有限公司 | High-performance chlorohydrin rubber and preparation method thereof |
| CN113354892A (en) * | 2021-06-01 | 2021-09-07 | 大连仓敷橡胶零部件有限公司 | Special outer rubber material for automobile FKM fuel rubber pipe and manufacturing method |
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Open date: 20081119 |