JPH04171381A - Hose for fuel system - Google Patents
Hose for fuel systemInfo
- Publication number
- JPH04171381A JPH04171381A JP29630390A JP29630390A JPH04171381A JP H04171381 A JPH04171381 A JP H04171381A JP 29630390 A JP29630390 A JP 29630390A JP 29630390 A JP29630390 A JP 29630390A JP H04171381 A JPH04171381 A JP H04171381A
- Authority
- JP
- Japan
- Prior art keywords
- nbr
- nitrile
- rubber
- nitrile rubber
- plasticizer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 17
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 33
- 229920001971 elastomer Polymers 0.000 claims abstract description 20
- 239000005060 rubber Substances 0.000 claims abstract description 20
- 239000004014 plasticizer Substances 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 229920000642 polymer Polymers 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 150000002825 nitriles Chemical class 0.000 claims abstract description 6
- 239000011347 resin Substances 0.000 claims abstract 4
- 229920005989 resin Polymers 0.000 claims abstract 4
- 229920006602 NBR/PVC Polymers 0.000 claims description 8
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims 1
- 239000003502 gasoline Substances 0.000 abstract description 14
- 230000000704 physical effect Effects 0.000 abstract description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 abstract 3
- FANBESOFXBDQSH-UHFFFAOYSA-N Ethyladipic acid Chemical compound CCC(C(O)=O)CCCC(O)=O FANBESOFXBDQSH-UHFFFAOYSA-N 0.000 abstract 1
- YKGYQYOQRGPFTO-UHFFFAOYSA-N bis(8-methylnonyl) hexanedioate Chemical compound CC(C)CCCCCCCOC(=O)CCCCC(=O)OCCCCCCCC(C)C YKGYQYOQRGPFTO-UHFFFAOYSA-N 0.000 abstract 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229920000915 polyvinyl chloride Polymers 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 239000004636 vulcanized rubber Substances 0.000 description 3
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Chemical compound CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 2
- -1 butoxy ethoxy ethyl Chemical group 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- YEVQZPWSVWZAOB-UHFFFAOYSA-N 2-(bromomethyl)-1-iodo-4-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=CC=C(I)C(CBr)=C1 YEVQZPWSVWZAOB-UHFFFAOYSA-N 0.000 description 1
- ALKCLFLTXBBMMP-UHFFFAOYSA-N 3,7-dimethylocta-1,6-dien-3-yl hexanoate Chemical compound CCCCCC(=O)OC(C)(C=C)CCC=C(C)C ALKCLFLTXBBMMP-UHFFFAOYSA-N 0.000 description 1
- ZVFDTKUVRCTHQE-UHFFFAOYSA-N Diisodecyl phthalate Chemical compound CC(C)CCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC(C)C ZVFDTKUVRCTHQE-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- JQCXWCOOWVGKMT-UHFFFAOYSA-N phthalic acid diheptyl ester Natural products CCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC JQCXWCOOWVGKMT-UHFFFAOYSA-N 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、燃料系ホースに関する。特に、給油バイブと
燃料タンクの受は口の間を接続するのに好適な燃料系ホ
ースに関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a fuel system hose. In particular, the present invention relates to a fuel system hose suitable for connecting between a refueling vibrator and a fuel tank socket.
下記に、本明細書で使用する略号の一覧を示す■ポリマ
ー略号：
ＮＢＲ・・・ニトリルゴム、
液状ＮＢＲ・・・液状ニトリルゴム、
ＰｖＣ・・・ポリ塩化ビニル、
■加硫ゴム物性略号：
Ｈ，・・・スプリング式かたさ表示（ＪＩＳＡ）、Ｔ
ａ ””引張強さ（ｋｇｆ／ｃｍ” ）、Ｅ、・・・伸
び（％）、
Ｍｌｏ。・−１００％モジュラス、
■その他：
ＡＮ量・・・結合ニトリル量
以下の説明で配合単位は、特にことわらない限り、重量
単位である。Below is a list of abbreviations used in this specification: ■Polymer abbreviation: NBR...Nitrile rubber, Liquid NBR...Liquid nitrile rubber, PvC...Polyvinyl chloride, ■Vulcanized rubber physical property abbreviation: H ,...Spring type hardness display (JISA), T
a Tensile strength (kgf/cm), E, Elongation (%), Mlo.-100% modulus, ■Others: AN amount...Bound nitrile amount In the following explanation, the compounding unit is Units are by weight unless otherwise specified.
〈従来の技術〉
第１図に示すような、給油バイブｌと燃料タンク３の受
は口３ａの間を接続する連結ホース５は、例えば、ＮＢ
ＲとＰｖＣとのブレンド物（以下「ＮＢＲ／ＰＶＣＪと
略す、）をポリマー成分とするゴム加硫物で成形してい
た。ＮＢＲにＰＶｃを混用するのは、ＮＢＲ系ゴム加硫
物の、耐候性、耐オゾン性、耐油性等が改善されるため
である、ここで、ＮＢＲとＰＶＣのブレンド比は、通常
、ＮＢＲ／ＰＶＣ＝８０／２０〜６０／４０Ｔある。ま
た、ＮＢＲは、通常、ＡＮ［１＝３６〜３９％の高ニト
リルのものを使用していた。<Prior Art> As shown in FIG.
A rubber vulcanizate containing a blend of R and PvC (hereinafter abbreviated as "NBR/PVCJ") as a polymer component was molded.The reason for mixing NBR with PVc is to improve the weatherability of the NBR-based rubber vulcanizate. Here, the blend ratio of NBR and PVC is usually NBR/PVC = 80/20 to 60/40T. A high nitrile material with AN[1=36-39% was used.
〈発明が解決しようとする課題〉
そして、昨今、環境汚染問題の高まり車内快適日の要請
の高まりから、従来にも増して、上記連結ホースに高度
の耐ガソリン透過性が要求されるようになってきた。<Problem to be solved by the invention> In recent years, as environmental pollution problems have increased and the demand for comfortable days inside cars has increased, the above-mentioned connecting hoses are required to have a high degree of gasoline permeation resistance more than ever before. It's here.
本発明は、上記にかんがみて、従来に比して、耐ガソリ
ン透過性に、格段に優れている燃料系ホースを提供する
ことを目的とする。In view of the above, an object of the present invention is to provide a fuel system hose that has much better gasoline permeation resistance than conventional hoses.
く課題を解決するための手段さ
本発明者らは、上記課題を解決するために、鋭意開発に
努力をする過程において、ガソリン中に脂肪族炭化水素
とともに含まれている芳香族炭化水素にも充分に耐える
高・極高ＮＢＲに着目して、下記構成の本発明に想到し
た。In order to solve the above problems, the inventors of the present invention, in the process of making earnest efforts in development, discovered that aromatic hydrocarbons, which are contained in gasoline together with aliphatic hydrocarbons, Focusing on high and extremely high NBR that can withstand sufficiently, the present invention having the following configuration was conceived.
ＮＢＲ／ＰＶＣブレンドをポリマー成分とするゴム加硫
物で少くとも一層が形成されてなる燃料系ホースにおい
て、
前記ＮＢＲがＡＮ量４０〜５５％の高・極高ＮＢＲであ
るとともに、可塑剤として耐寒性可塑剤を使用する、こ
とを特徴とする。In a fuel system hose in which at least one layer is formed of a rubber vulcanizate containing an NBR/PVC blend as a polymer component, the NBR is a high/extremely high NBR with an AN content of 40 to 55%, and is cold resistant as a plasticizer. It is characterized by the use of a plasticizer.
く手段の詳細な説明〉
（１）本発明の燃料系ホースは、ＮＢＲ／ＰＶＣブレン
ドをポリマー成分とするゴム加硫物で少くとも一層が形
成されてなることを特徴とする。通常、単層構造とする
が、他のゴム材料からなるゴム層と併用してもよく、さ
らには、補強層を埋設した構造としてもよい。(1) The fuel hose of the present invention is characterized in that at least one layer is formed of a rubber vulcanizate containing an NBR/PVC blend as a polymer component. Usually, it has a single layer structure, but it may also be used in combination with a rubber layer made of another rubber material, or it may have a structure in which a reinforcing layer is embedded.
ここで、ＮＢＲ／ＰＶＣのブレンド比は、前述の通りと
する。ＰＶＣが過少であると、ＰＶＣの添加効果がでず
、ＰｖＣが過多となるとゴム加硫物のゴム的性質が損な
われ、ホースの弾力性・可撓性に問題を生じやすくなる
。Here, the blend ratio of NBR/PVC is as described above. If the amount of PVC is too little, the effect of adding PVC will not be achieved, and if the amount of PvC is too much, the rubbery properties of the rubber vulcanizate will be impaired, and problems will likely occur in the elasticity and flexibility of the hose.
（２）本発明の燃料系ホースは、ＮＢＲが結合ＡＮ量４
０〜５５％の高・極高ＮＢＲを使用するとともに、可塑
剤として耐寒性可塑剤を使用することに、特徴的構成を
有する。(2) In the fuel system hose of the present invention, NBR has a combined AN amount of 4
It has a characteristic configuration in that it uses a high/very high NBR of 0 to 55% and uses a cold-resistant plasticizer as a plasticizer.
■ＡＮ量は、通常、４０〜５５％とする。４０％未満で
は、耐ガソリン透過性の改善が望めず、また、５５％を
超えると、ＮＢＲの極性が高くなりすぎ、耐寒性、加工
性等に問題を生じやすくなる。望ましくは、ＡＮ量＝４
１〜５０％である。(2) The amount of AN is usually 40 to 55%. If it is less than 40%, no improvement in gasoline permeability can be expected, and if it exceeds 55%, the polarity of NBR becomes too high, which tends to cause problems in cold resistance, processability, etc. Preferably, AN amount=4
It is 1 to 50%.
■可塑剤は、ＮＢＲとしてＡＮ量４０〜５５％の高・極
高ＮＢＲを使用したことに伴ない、ゴム加硫物の耐寒性
が低下するのを補完するために使用するものである。耐
寒性可塑剤としては、ジー（ブトキシ・エトキシ・エチ
ルアジペート（ＤＢＥＥＡ） 、ジイソデシルアジベー
ト、ポリプロピレンアジペート、ジ−ｎ−オクチルフタ
レート、ジイソデシルフタレート、トリオクチルホスフ
ェート等を挙げることができるが、ＤＢＥＥＡが望まし
い。 そして、上記可塑剤の配合量は、２０〜５０Ｐ）
ＩＲとする。２０Ｐ）ＩＲ未満では、耐寒性改善効果が
得がたく、５０ＰＨＲを超えるとゴム加硫物の、強度、
耐熱性等に思影響を与える。(2) The plasticizer is used to compensate for the decrease in cold resistance of the rubber vulcanizate due to the use of high/very high NBR with an AN content of 40 to 55%. Examples of cold-resistant plasticizers include di(butoxy ethoxy ethyl adipate (DBEEA), diisodecyl adipate, polypropylene adipate, di-n-octyl phthalate, diisodecyl phthalate, trioctyl phosphate, etc., but DBEEA is preferable. .And the amount of the above plasticizer is 20 to 50P)
IR. If it is less than 20 PHR, it is difficult to obtain a cold resistance improvement effect, and if it exceeds 50 PHR, the strength of the rubber vulcanizate,
Affects heat resistance etc.
（３）上記ＮＢＲは、耐亀裂成長性の見地からは、液状
ＮＢＲを含むものが望ましい、その液状ＮＢＲの分子量
は、通常１０００〜１０００ （望ましくは、４０００
〜７０００）とする、また、含有量は、２〜３０％とす
る。(3) From the viewpoint of crack growth resistance, the above-mentioned NBR preferably contains liquid NBR, and the molecular weight of the liquid NBR is usually 1000 to 1000 (preferably 4000
7000), and the content is 2 to 30%.
（４）上記ＮＢＲ／ＰＶＣブレンドには、上記可塑剤に
加えて、他の通常配合される各種副資材、例えば、カー
ボンブラック、亜鉛華、老化防止剤、硫黄、加硫促進剤
、等を適宜配合して、混練し未加硫ゴム材料とする。そ
して、当該ゴム材料を、押出機により押出し・加硫して
、本発明のホースを製造する。このときの加硫条件は、
通常、１４５〜１８０℃Ｘ５〜９０ｍ１ｎである。(4) In addition to the plasticizer, the NBR/PVC blend may contain various other commonly used auxiliary materials such as carbon black, zinc white, anti-aging agent, sulfur, vulcanization accelerator, etc. The ingredients are mixed and kneaded to form an unvulcanized rubber material. The rubber material is then extruded and vulcanized using an extruder to produce the hose of the present invention. The vulcanization conditions at this time are:
Usually, the temperature is 145-180°C x 5-90ml.
〈発明の作用・効果〉
本発明の燃料系ゴムホースは、ＮＢＲ／ＰＶＣブレンド
をポリマー成分とするゴム加硫物で少くとも一層が形成
されてなる燃料系ホースにおいて、ＮＢＲとしてＡＮ量
４０〜５５％の高・極高ＮＢＲを使用するとともに、可
塑剤として耐寒性可塑剤を使用する構成により、後述の
試験例で示す如く、優れた耐ガソリン透過性を示すとと
もに、他の諸物性も良好である。従って、本発明の燃料
系ゴムホースを、給油ホースに使用した場合、ガソリン
透過に起因する環境問題および車室内の快適性の問題を
大幅に改善するものである。<Operations and Effects of the Invention> The fuel-based rubber hose of the present invention has at least one layer formed of a rubber vulcanizate containing an NBR/PVC blend as a polymer component, and has an AN content of 40 to 55% as NBR. By using a high/extremely high NBR and using a cold-resistant plasticizer as a plasticizer, as shown in the test examples below, it shows excellent gasoline permeation resistance and other physical properties are also good. . Therefore, when the fuel rubber hose of the present invention is used as a refueling hose, the environmental problems caused by gasoline permeation and the comfort problems in the vehicle interior can be significantly improved.
〈試験例〉
本発明の効果を確認するために、比較例とともに行なっ
た実施例について説明をする。<Test Example> In order to confirm the effects of the present invention, an example will be described along with a comparative example.
第１・２表に示す各配合処方のゴム材料を使用して２ｍ
ｍｔのゴムシートを成形加硫して、下記ガソリン透過性
試験および表示の各項目物性試験を行なった。ガソリン
透過性試験以外の試験項目につ−いては、第３表にその
結果を示す。2m using rubber materials with each compounding recipe shown in Tables 1 and 2.
A rubber sheet of mt was molded and vulcanized, and the following gasoline permeability test and physical property test for each item indicated were conducted. Table 3 shows the results of test items other than the gasoline permeability test.
（＋）ガソリン透過性試験：
４０℃に保温したツユエルＤを充満させた広口びん（容
量： ２３ｃｃ、開口面積：９ｃｍ”）を上記で調製し
た加硫ゴムシートで蓋をし、下向きにして保持し、加硫
ゴムシートから透過してくるガソリンを捕獲しその量を
測定した。(+) Gasoline permeability test: A wide mouth bottle (capacity: 23 cc, opening area: 9 cm) filled with Tuyuel D kept at 40°C was covered with the vulcanized rubber sheet prepared above and held facing downward. Then, the gasoline that permeated through the vulcanized rubber sheet was captured and its amount was measured.
それらの測定結果を第２図に示すが、本発明のゴムホー
スは、優れた耐ガソリン透過性を示すことが分る。The measurement results are shown in FIG. 2, and it can be seen that the rubber hose of the present invention exhibits excellent gasoline permeation resistance.
第１表 実施例配合処方
※ＭＮ Ｂ Ｒ／Ｐ Ｖ Ｃ＝６０／４０※ＮＢＲのＡ
Ｎｉｉ＝４２％
第２表 比較例配合処方
※日本合成ゴム側設
ＮＢＲ，４状Ｎ Ｂ Ｒ／Ｐ Ｖ Ｃ＝６０／１０／３
ＯＮＢＲのＡＮ量：４３％
第３表Table 1 Example combination prescription * MN B R / P V C = 60/40 * A of NBR
Nii = 42% Table 2 Comparative example formulation *Japanese synthetic rubber side NBR, 4-type NBR/PVC=60/10/3
AN amount of ONBR: 43% Table 3
第１図は本発明の燃料系ホースの適用箇所を示す燃料給
油部位の概略図、
第２図はガソリン透過性試験の結果を示すグラフ図であ
る。
１・・・給油パイプ、
３・・・燃料タンク、
５・・・連結ホース（燃料系ホース）。
特 許 出 願 人FIG. 1 is a schematic diagram of a fuel supply site showing the application location of the fuel system hose of the present invention, and FIG. 2 is a graph diagram showing the results of a gasoline permeability test. 1... Fuel supply pipe, 3... Fuel tank, 5... Connection hose (fuel system hose). Patent applicant
Claims (1)
）とのブレド物（以下「ＮＢＲ／ＰＶＣブレンド」と略
す。）をポリマー成分とするゴム加硫物で少くとも一層
が形成されてなる燃料系ホースにおいて、 前記ＮＢＲが結合ニトリル量４０〜５５％の高・極高Ｎ
ＢＲであるとともに、可塑剤として耐寒性可塑剤を使用
する、 ことを特徴とする燃料系ホース。 ２、請求項１において、前記極高ＮＢＲが液状ＮＢＲを
含有するものであることを特徴とする燃料系ホース。[Claims] 1. Nitrile rubber (NBR) and vinyl chloride resin (PVC)
) in a fuel system hose in which at least one layer is formed of a rubber vulcanizate whose polymer component is a blended product (hereinafter referred to as "NBR/PVC blend"), in which the NBR has a bonded nitrile content of 40 to 55%. High/very high N
A fuel hose characterized by being BR and using a cold-resistant plasticizer as a plasticizer. 2. The fuel system hose according to claim 1, wherein the extremely high NBR contains liquid NBR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29630390A JPH04171381A (en) | 1990-10-31 | 1990-10-31 | Hose for fuel system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29630390A JPH04171381A (en) | 1990-10-31 | 1990-10-31 | Hose for fuel system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04171381A true JPH04171381A (en) | 1992-06-18 |
Family
ID=17831808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29630390A Pending JPH04171381A (en) | 1990-10-31 | 1990-10-31 | Hose for fuel system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04171381A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999054132A1 (en) * | 1998-04-20 | 1999-10-28 | Nippon Zeon Co., Ltd. | Laminate of cross-linked nitrile rubber |
| EP1065238A2 (en) * | 1999-06-28 | 2001-01-03 | Tokai Rubber Industries, Ltd. | Rubber composition, hose of low fuel permeation and electroconductive hose of low fuel permeation |
| EP1152029A1 (en) * | 1998-11-04 | 2001-11-07 | Nippon Zeon Co., Ltd. | Polyblend composition, crosslinked object, and hose for fuel |
| EP1156079A1 (en) * | 1999-11-08 | 2001-11-21 | Tokai Rubber Industries, Ltd. | Rubber composition and automotive fuel transport hose |
| US6333386B1 (en) | 1999-06-28 | 2001-12-25 | Tokai Rubber Industries, Ltd. | Rubber composition, hose of low fuel permeation, and electroconductive hose of low fuel permeation |
| US6759109B2 (en) | 2000-09-28 | 2004-07-06 | Tokai Rubber Industries, Ltd. | Process for manufacturing a multilayer rubber hose and a product thereof |
| CN108047513A (en) * | 2017-12-15 | 2018-05-18 | 阜阳市利普化工有限公司 | A kind of the rubber and plastic ternary-alloy material and preparation method of oil resistant extraction |
-
1990
- 1990-10-31 JP JP29630390A patent/JPH04171381A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999054132A1 (en) * | 1998-04-20 | 1999-10-28 | Nippon Zeon Co., Ltd. | Laminate of cross-linked nitrile rubber |
| EP1152029A1 (en) * | 1998-11-04 | 2001-11-07 | Nippon Zeon Co., Ltd. | Polyblend composition, crosslinked object, and hose for fuel |
| EP1152029A4 (en) * | 1998-11-04 | 2002-11-20 | Nippon Zeon Co | Polyblend composition, crosslinked object, and hose for fuel |
| EP1065238A2 (en) * | 1999-06-28 | 2001-01-03 | Tokai Rubber Industries, Ltd. | Rubber composition, hose of low fuel permeation and electroconductive hose of low fuel permeation |
| US6333386B1 (en) | 1999-06-28 | 2001-12-25 | Tokai Rubber Industries, Ltd. | Rubber composition, hose of low fuel permeation, and electroconductive hose of low fuel permeation |
| EP1065238A3 (en) * | 1999-06-28 | 2002-05-08 | Tokai Rubber Industries, Ltd. | Rubber composition, hose of low fuel permeation and electroconductive hose of low fuel permeation |
| EP1156079A1 (en) * | 1999-11-08 | 2001-11-21 | Tokai Rubber Industries, Ltd. | Rubber composition and automotive fuel transport hose |
| EP1156079A4 (en) * | 1999-11-08 | 2002-11-13 | Tokai Rubber Ind Ltd | Rubber composition and automotive fuel transport hose |
| US6759109B2 (en) | 2000-09-28 | 2004-07-06 | Tokai Rubber Industries, Ltd. | Process for manufacturing a multilayer rubber hose and a product thereof |
| CN108047513A (en) * | 2017-12-15 | 2018-05-18 | 阜阳市利普化工有限公司 | A kind of the rubber and plastic ternary-alloy material and preparation method of oil resistant extraction |
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