JPH11181151A - Rubber composition - Google Patents
Rubber compositionInfo
- Publication number
- JPH11181151A JPH11181151A JP9349097A JP34909797A JPH11181151A JP H11181151 A JPH11181151 A JP H11181151A JP 9349097 A JP9349097 A JP 9349097A JP 34909797 A JP34909797 A JP 34909797A JP H11181151 A JPH11181151 A JP H11181151A
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- butene
- ozone resistance
- copolymer
- ethylene
- 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
- 229920001971 elastomer Polymers 0.000 title claims abstract description 42
- 239000005060 rubber Substances 0.000 title claims abstract description 42
- 239000000203 mixture Substances 0.000 title claims abstract description 24
- 229920001577 copolymer Polymers 0.000 claims abstract description 16
- 229920003244 diene elastomer Polymers 0.000 claims abstract description 16
- 229920005601 base polymer Polymers 0.000 claims abstract description 6
- WXCZUWHSJWOTRV-UHFFFAOYSA-N but-1-ene;ethene Chemical compound C=C.CCC=C WXCZUWHSJWOTRV-UHFFFAOYSA-N 0.000 claims description 14
- 238000013329 compounding Methods 0.000 claims description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 39
- VXNZUUAINFGPBY-UHFFFAOYSA-N ethyl ethylene Natural products CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000654 additive Substances 0.000 abstract description 4
- 229920002857 polybutadiene Polymers 0.000 abstract description 4
- 244000043261 Hevea brasiliensis Species 0.000 abstract description 3
- 229920003049 isoprene rubber Polymers 0.000 abstract description 3
- 239000000155 melt Substances 0.000 abstract description 3
- 229920003052 natural elastomer Polymers 0.000 abstract description 3
- 229920001194 natural rubber Polymers 0.000 abstract description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 2
- 239000003963 antioxidant agent Substances 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 238000004132 cross linking Methods 0.000 abstract description 2
- 239000000945 filler Substances 0.000 abstract description 2
- 239000003063 flame retardant Substances 0.000 abstract description 2
- 238000004898 kneading Methods 0.000 abstract description 2
- 239000004014 plasticizer Substances 0.000 abstract description 2
- 229920001084 poly(chloroprene) Polymers 0.000 abstract description 2
- 238000004073 vulcanization Methods 0.000 abstract description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 abstract 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract 1
- 239000005977 Ethylene Substances 0.000 abstract 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 abstract 1
- 230000002787 reinforcement Effects 0.000 abstract 1
- 230000006866 deterioration Effects 0.000 description 7
- 230000000704 physical effect Effects 0.000 description 7
- 239000000446 fuel Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 239000001993 wax Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920000459 Nitrile rubber Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、燃料配管用の燃料
ホース、自動車等の防振ゴム、橋梁や住宅等の免震ゴム
等の材料に適したゴム組成物に関するものであり、詳し
くはジエン系ゴムをベースポリマーとするゴム組成物に
関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rubber composition suitable for a material such as a fuel hose for a fuel pipe, an anti-vibration rubber for automobiles and the like, and an anti-vibration rubber for bridges and houses. The present invention relates to a rubber composition containing a base rubber as a base polymer.
【０００２】[0002]
【従来の技術】ジエン系ゴムは、繰り返し単位中に二個
の二重結合を有するゴムの総称であり、耐油性、耐摩耗
性等に優れたものである。しかしながら、このようなジ
エン系ゴムは、耐オゾン性が劣っていることが知られて
おり、従来より、耐オゾン性を改善しようとする試みが
なされている。例えば、ジエン系ゴムに、オゾン劣化防
止剤あるいはワックス類を添加することが行われてい
る。2. Description of the Related Art Diene rubber is a general term for rubber having two double bonds in a repeating unit and has excellent oil resistance, abrasion resistance and the like. However, such diene rubbers are known to be inferior in ozone resistance, and attempts have been made to improve ozone resistance. For example, an ozone deterioration inhibitor or a wax is added to a diene rubber.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記オ
ゾン劣化防止剤を用いた場合は、これを添加したゴム組
成物の成形体の長期使用によって、成形体表面に、経時
的に滲み出し（ブリード）、その後液体等によって抽出
されてしまう等して、耐オゾン性の改善が充分に図れな
いという問題がある。一方、上記ワックス類を用いた場
合は、これを添加したゴム組成物の成形体の長期使用に
よって、成形体表面に、経時的に集まり、屈曲運動等を
させると、ワックス類に亀裂が生じ、その隙間からオゾ
ン等が侵入して成形体を劣化させるという問題がある。However, in the case where the above-mentioned ozone deterioration inhibitor is used, the rubber composition to which the ozone deterioration inhibitor has been added is leached out over time (bleed) on the surface of the molded article due to long-term use of the molded article. However, there is a problem that the ozone resistance cannot be sufficiently improved due to extraction with a liquid or the like thereafter. On the other hand, when the above waxes are used, due to long-term use of the molded body of the rubber composition to which the wax is added, the surface of the molded body gathers over time, and when subjected to bending motion, cracks occur in the waxes, There is a problem that ozone or the like enters through the gap to deteriorate the molded body.
【０００４】本発明は、このような事情に鑑みなされた
もので、耐オゾン性に優れ、この優れた耐オゾン性を長
期に渡って維持することができるゴム組成物の提供をそ
の目的とする。The present invention has been made in view of such circumstances, and has as its object to provide a rubber composition having excellent ozone resistance and capable of maintaining the excellent ozone resistance for a long period of time. .
【０００５】[0005]
【課題を解決するための手段】上記の目的を達成するた
め、本発明のゴム組成物は、下記の（Ｘ）成分をベース
ポリマーとし、下記の（Ｙ）成分を含有しているという
構成をとる。 （Ｘ）ジエン系ゴム。 （Ｙ）エチレン−ブテン１共重合体。Means for Solving the Problems In order to achieve the above object, the rubber composition of the present invention has a constitution in which the following component (X) is used as a base polymer and the following component (Y) is contained. Take. (X) Diene rubber. (Y) Ethylene-butene 1 copolymer.
【０００６】すなわち、この発明者は、耐オゾン性に優
れ、この耐オゾン性を長期に渡って維持することができ
るゴム組成物について一連の研究を重ねた。その過程
で、この発明者は、ジエン系ゴムの耐オゾン性の改良の
ため、主鎖に二重結合を有しないゴムをブレンドすると
ある程度有効な結果が得られるという知見を得た。しか
しながら、ブレンド量が少量では必要充分な結果が得ら
れないので、増量を試みたが、得られた成形体は、機械
的強度（特に破断点強度）が低下し、実用に供しえない
ことが判明した。そこで、この発明者は、さらに研究を
重ねた結果、上記ゴムに代えて、主鎖に二重結合のない
エチレン−ブテン１共重合体を配合すれば、上記問題点
を解消し、しかも耐オゾン性に優れ、その優れた耐オゾ
ン性を長期に渡って維持することができるゴム組成物を
見いだし、本発明に到達した。That is, the inventor has conducted a series of studies on rubber compositions which are excellent in ozone resistance and can maintain the ozone resistance for a long period of time. In the process, the inventor of the present invention has found that a blending of a rubber having no double bond in the main chain for the purpose of improving the ozone resistance of the diene rubber can provide a somewhat effective result. However, if the blending amount is small, a necessary and sufficient result cannot be obtained, so an attempt was made to increase the amount. However, the obtained molded body had a reduced mechanical strength (particularly, strength at break), and was not practically usable. found. Therefore, the present inventor has further studied and found that if the ethylene-butene 1 copolymer having no double bond in the main chain is blended in place of the rubber, the above-mentioned problem can be solved and the ozone resistance can be further improved. A rubber composition having excellent properties and capable of maintaining its excellent ozone resistance for a long period of time has been found, and the present invention has been achieved.
【０００７】特に、ジエン系ゴム〔（Ｘ）成分〕とエチ
レン−ブテン１共重合体〔（Ｙ）成分〕の重量基準配合
比を、特定の範囲に設定することにより、良好な耐オゾ
ン性に加えて、ゴムとしての他の物性（破断点強度、破
断点伸び、硬度等）がより良好であることを突き止め
た。Particularly, by setting the weight-based compounding ratio of the diene rubber [(X) component] and the ethylene-butene 1 copolymer [(Y) component] to a specific range, good ozone resistance can be obtained. In addition, it was found that other physical properties (e.g., strength at break, elongation at break, hardness, etc.) as rubber were better.
【０００８】[0008]
【発明の実施の形態】つぎに、本発明の実施の形態につ
いて説明する。Next, an embodiment of the present invention will be described.
【０００９】本発明のゴム組成物は、ジエン系ゴム
〔（Ｘ）成分〕と、エチレン−ブテン１共重合体
〔（Ｙ）成分〕とを含有するものである。The rubber composition of the present invention contains a diene rubber [component (X)] and an ethylene-butene 1 copolymer [component (Y)].
【００１０】上記ジエン系ゴム〔（Ｘ）成分〕として
は、特に限定するものではないが、天然ゴム（ＮＲ）、
アクリロニトリル−ブタジエンゴム（ＮＢＲ）、スチレ
ン−ブタジエンゴム（ＳＢＲ）、ブタジエンゴム（Ｂ
Ｒ）、イソプレンゴム（ＩＲ）、クロロプレンゴム（Ｃ
Ｒ）等があげられる。なかでも、耐油性に優れる点で、
ＮＢＲが好ましい。これらは単独で用いてもよいし、二
種以上併せて用いてもよい。The diene rubber [component (X)] is not particularly limited, but includes natural rubber (NR),
Acrylonitrile-butadiene rubber (NBR), styrene-butadiene rubber (SBR), butadiene rubber (B
R), isoprene rubber (IR), chloroprene rubber (C
R) and the like. Above all, in terms of excellent oil resistance,
NBR is preferred. These may be used alone or in combination of two or more.
【００１１】上記ジエン系ゴム〔（Ｘ）成分〕とともに
用いられるエチレン−ブテン１共重合体〔（Ｙ）成分〕
は、低結晶性で、柔軟性や耐熱性に優れ、しかも耐オゾ
ン性を向上させる効果が高いという利点がある。Ethylene-butene 1 copolymer [(Y) component] used together with the diene rubber [(X) component]
Is advantageous in that it has low crystallinity, is excellent in flexibility and heat resistance, and has a high effect of improving ozone resistance.
【００１２】上記エチレンーブテン１共重合体のブテン
含量としては、１５〜２５重量％の範囲に設定されてい
ることが好ましい。より好ましくは、１６〜２０重量％
の範囲である。また、上記メルトフローレート（ＭＦ
Ｒ）としては、１．０〜２５の範囲に設定されているこ
とが好ましい。より好ましくは、１．３〜２０の範囲で
ある。なお、上記メルトフローレート（ＭＦＲ）とは、
１９０℃で溶融されたものを規定の円形ダイ（長さ８ｍ
ｍ×径２．０９５ｍｍ）から一定荷重（２．１６ｋｇ）
で押し出した際、１０分間の流量をグラム数で表した数
値のことである。The ethylene butene 1 copolymer preferably has a butene content of 15 to 25% by weight. More preferably, 16 to 20% by weight
Range. In addition, the melt flow rate (MF
R) is preferably set in the range of 1.0 to 25. More preferably, it is in the range of 1.3 to 20. The melt flow rate (MFR) is
What was melted at 190 ° C was placed in a specified circular die (length 8m).
mx 2.095mm diameter) to constant load (2.16kg)
It is a numerical value expressing the flow rate for 10 minutes in grams when extruded with.
【００１３】上記ジエン系ゴム〔（Ｘ）成分〕とエチレ
ン−ブテン１共重合体〔（Ｙ）成分〕の重量基準配合比
（Ｘ／Ｙ）は、Ｘ／Ｙ＝８０／２０〜６０／４０の範囲
に設定されていることが好ましい。すなわち、上記エチ
レン−ブテン１共重合体〔（Ｙ）成分〕が２０を下回る
と、耐オゾン性の改良効果がみられないおそれがあるか
らであり、上記エチレン−ブテン１共重合体〔（Ｙ）成
分〕が４０を上回ると、破断点強度、破断点伸び、硬度
等のゴムに要求される物性が低下してしまうおそれがあ
るからである。The weight-based compounding ratio (X / Y) of the diene rubber [(X) component] and the ethylene-butene 1 copolymer [(Y) component] is X / Y = 80 / 20-60 / 40. Is preferably set in the range. That is, if the ethylene-butene 1 copolymer [(Y) component] is less than 20, the effect of improving ozone resistance may not be observed, and the ethylene-butene 1 copolymer [(Y This is because if the component (1) exceeds 40, physical properties required for rubber, such as strength at break, elongation at break, and hardness, may be reduced.
【００１４】本発明のゴム組成物は、上記（Ｘ）および
（Ｙ）成分に加えて、さらに各種の添加剤を適宜に配合
することができる。このような添加剤としては、例え
ば、充填剤、補強剤、可塑剤、加硫剤、加硫促進剤、架
橋助剤、老化防止剤、難燃剤等があげられる。これらは
単独で用いてもよいし、二種以上併用してもよい。The rubber composition of the present invention may further contain various additives in addition to the components (X) and (Y). Examples of such additives include a filler, a reinforcing agent, a plasticizer, a vulcanizing agent, a vulcanization accelerator, a crosslinking assistant, an antioxidant, and a flame retardant. These may be used alone or in combination of two or more.
【００１５】そして、本発明のゴム組成物は、上記
（Ｘ）および（Ｙ）成分、必要に応じて各種の添加剤を
所定の配合割合で配合し、混練することにより得ること
ができる。The rubber composition of the present invention can be obtained by blending the above-mentioned components (X) and (Y) and, if necessary, various additives at a predetermined blending ratio and kneading them.
【００１６】このようにして得られたゴム組成物は、主
鎖に二重結合のないエチレン−ブテン１共重合体
〔（Ｙ）成分〕が、ジエン系ゴム〔（Ｘ）成分〕に配合
されているため、耐オゾン性に優れたものとなる。さら
に、従来のオゾン劣化防止剤やワックス類と異なり、上
記エチレン−ブテン１共重合体〔（Ｙ）成分〕は、本発
明のゴム組成物を用いて成形した成形体の表面にブリー
ドすることがないため、良好な耐オゾン性を長期に渡っ
て維持できる成形体が得られるという利点を有する。In the rubber composition thus obtained, an ethylene-butene 1 copolymer (component (Y)) having no double bond in the main chain is blended with a diene rubber [component (X)]. Therefore, it has excellent ozone resistance. Further, unlike the conventional antiozonants and waxes, the ethylene-butene 1 copolymer [component (Y)] can bleed on the surface of a molded article molded using the rubber composition of the present invention. Therefore, there is an advantage that a molded article capable of maintaining good ozone resistance for a long period of time can be obtained.
【００１７】つぎに、実施例について比較例と併せて説
明する。Next, examples will be described together with comparative examples.
【００１８】[0018]
【実施例１〜５、比較例１〜７】下記の表１〜表４に示
す各材料を準備し、同表に示す配合割合で配合してゴム
組成物を調製した。Examples 1 to 5 and Comparative Examples 1 to 7 The materials shown in Tables 1 to 4 below were prepared, and were blended at the mixing ratios shown in the table to prepare rubber compositions.
【００１９】[0019]
【表１】 [Table 1]
【００２０】[0020]
【表２】 [Table 2]
【００２１】[0021]
【表３】 [Table 3]
【００２２】[0022]
【表４】 [Table 4]
【００２３】このようにして得られた実施例および比較
例のゴム組成物を用いて、１５０℃×３０分間でプレス
加硫し、１００ｍｍ×１００ｍｍ×厚み２ｍｍのゴム試
験片を作製した。そして、このゴム試験片を用いて、常
態物性を下記の方法に従って測定・評価した。その結果
を、下記の表５〜表７に示した。The thus obtained rubber compositions of Examples and Comparative Examples were press-vulcanized at 150 ° C. for 30 minutes to prepare rubber test pieces of 100 mm × 100 mm × 2 mm in thickness. Using this rubber test piece, the physical properties in the normal state were measured and evaluated according to the following methods. The results are shown in Tables 5 to 7 below.
【００２４】〔常態物性〕常態物性（ＴB ，ＥB ，
ＨS ）については、ＪＩＳ Ｋ ６３０１に準じて測定
した。 ＴB ：破断点強度 ＥB ：破断点伸び ＨS ：硬度[Normal Physical Properties] Normal physical properties (T B , E B ,
H S ) was measured according to JIS K6301. T B: strength at break E B: elongation at break H S: hardness
【００２５】また、上記ゴム組成物を用いて、平行線分
４０ｍｍ、平行部分の幅１０ｍｍ、平行線分の厚み２ｍ
ｍのダンベル状のゴム試験片を作製した。そして、この
ゴム試験片を用いて、耐オゾン性を下記の方法に従って
測定・評価した。その結果を、同じく下記の表５〜表７
に示した。Further, using the above rubber composition, a parallel line segment 40 mm, a parallel portion width 10 mm, and a parallel line segment thickness 2 m
m dumbbell-shaped rubber test pieces were prepared. Using this rubber test piece, the ozone resistance was measured and evaluated according to the following method. The results are shown in Tables 5 to 7 below.
It was shown to.
【００２６】〔耐オゾン性〕ＪＩＳ Ｋ ６２５９に準
じ、静的オゾン劣化試験および動的オゾン劣化試験を行
い、ゴム試験片の端部の亀裂発生状態を評価した。上記
静的オゾン劣化試験とは、静的な引張歪み（５０％伸
張）を与えたゴム試験片を、オゾン濃度５０ｐｐｈｍ×
温度４０℃の雰囲気下に、所定時間放置した後の、亀裂
発生状態を評価する試験のことである。また、上記動的
オゾン劣化試験とは、動的な引張歪み（５０％伸張）を
与えたゴム試験片を、オゾン濃度５０ｐｐｈｍ×温度４
０℃の雰囲気下に、所定時間放置した後の、ゴム試験片
の亀裂発生状態を評価する試験のことである。そして、
上記評価において、「アルファベット（Ａ〜Ｃ）」は、
亀裂の量を意味し、Ａであれば亀裂が少量、Ｂであれば
亀裂が比較的多く、Ｃであれば亀裂が非常に多いことを
示す。また、「数字（１〜５）」は、亀裂の大きさ（深
さ）を意味し、数字が小さいほど亀裂は小さく（浅
く）、数字が大きければ亀裂が大きい（深い）ことを意
味する。なお、「ＯＫ」とは、亀裂が全く発生していな
いことを意味する。この耐オゾン性試験において、ゴム
試験片の端部が切れてしまわなければ、耐オゾン性が良
好であるということができ、またその状態を７２時間に
渡って保持できれば、良好な耐オゾン性が長期に渡って
維持されているということができる。[Ozone resistance] A static ozone deterioration test and a dynamic ozone deterioration test were performed according to JIS K 6259, and the state of crack generation at the end of the rubber test piece was evaluated. In the static ozone deterioration test, a rubber test piece having a static tensile strain (50% elongation) is subjected to an ozone concentration of 50 pph ×
This is a test for evaluating the state of occurrence of cracks after being left for a predetermined time in an atmosphere at a temperature of 40 ° C. The above-mentioned dynamic ozone deterioration test refers to a method in which a rubber test piece provided with a dynamic tensile strain (50% elongation) is subjected to an ozone concentration of 50 pphm × temperature of 4.
This is a test for evaluating the state of occurrence of cracks in a rubber specimen after being left for a predetermined time in an atmosphere of 0 ° C. And
In the above evaluation, “Alphabets (A to C)”
A means the amount of cracks. A indicates that the number of cracks is small, B indicates that the number of cracks is relatively large, and C indicates that the number of cracks is very large. The “numbers (1 to 5)” means the size (depth) of the cracks. The smaller the number, the smaller (shallow) the crack, and the larger the number, the larger (deep) the crack. Note that “OK” means that no crack has occurred. In this ozone resistance test, if the end of the rubber test piece does not break, it can be said that the ozone resistance is good, and if the state can be maintained for 72 hours, good ozone resistance can be obtained. It can be said that it has been maintained for a long time.
【００２７】[0027]
【表５】 [Table 5]
【００２８】[0028]
【表６】 [Table 6]
【００２９】[0029]
【表７】 [Table 7]
【００３０】上記表５〜表７の結果から、実施例品はす
べて、静的条件、動的条件において耐オゾン性に優れて
おり、またその優れた耐オゾン性を長期に渡って維持し
ている。また、常態物性に関しても良好である。これに
対して、比較例品はいずれも、静的条件または動的条件
で、あるいは両方で「切れ」状態になってしまうため、
良好な耐オゾン性を備えたものとはいえない。From the results shown in Tables 5 to 7, all of the products of the Examples have excellent ozone resistance under static and dynamic conditions, and maintain the excellent ozone resistance over a long period of time. I have. In addition, the physical properties under normal conditions are good. On the other hand, all of the comparative examples are "cut" under static or dynamic conditions or both.
It cannot be said to have good ozone resistance.
【００３１】[0031]
【発明の効果】以上のように、本発明のゴム組成物は、
ジエン系ゴム〔（Ｘ）成分〕をベースポリマーとし、エ
チレン−ブテン１共重合体〔（Ｙ）成分〕を含有すると
いう構成である。このため、耐オゾン性に優れ、この優
れた耐オゾン性を長期に渡って維持できるという優れた
効果を奏する。As described above, the rubber composition of the present invention
The diene rubber [(X) component] is used as a base polymer, and an ethylene-butene 1 copolymer [(Y) component] is contained. For this reason, it has an excellent effect that it has excellent ozone resistance and can maintain this excellent ozone resistance for a long period of time.
【００３２】特に、ジエン系ゴム〔（Ｘ）成分〕とエチ
レン−ブテン１共重合体〔（Ｙ）成分〕の重量基準配合
比を、特定の範囲に設定することにより、良好な耐オゾ
ン性に加えて、ゴムとしての他の物性（破断点強度、破
断点伸び、硬度等）がより良好になるという利点を有す
る。Particularly, by setting the weight-based compounding ratio of the diene rubber [(X) component] and the ethylene-butene 1 copolymer [(Y) component] to a specific range, good ozone resistance can be obtained. In addition, there is an advantage that other physical properties (e.g., strength at break, elongation at break, hardness, etc.) of the rubber become better.
【００３３】したがって、本発明のゴム組成物は、耐オ
ゾン性が強く求められる、燃料配管用の燃料ホース、自
動車等の防振ゴム、橋梁や住宅等の免震ゴム等の材料と
して好適に用いることができ、特に燃料ホースの内周面
の形成材料として使用することが最適である。Therefore, the rubber composition of the present invention is suitably used as a material for which a high ozone resistance is strongly required, such as a fuel hose for a fuel pipe, an anti-vibration rubber for automobiles and the like, and an anti-vibration rubber for bridges and houses. It is most suitable for use as a material for forming the inner peripheral surface of a fuel hose.
Claims (2)
し、下記の（Ｙ）成分を含有していることを特徴とする
ゴム組成物。 （Ｘ）ジエン系ゴム。 （Ｙ）エチレン−ブテン１共重合体。1. A rubber composition comprising the following component (X) as a base polymer and the following component (Y): (X) Diene rubber. (Y) Ethylene-butene 1 copolymer.
配合比（Ｘ／Ｙ）が、Ｘ／Ｙ＝８０／２０〜６０／４０
の範囲に設定されている請求項１記載のゴム組成物。2. The weight-based compounding ratio (X / Y) of the component (X) and the component (Y) is X / Y = 80/20 to 60/40.
The rubber composition according to claim 1, which is set in the range of:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9349097A JPH11181151A (en) | 1997-12-18 | 1997-12-18 | Rubber composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9349097A JPH11181151A (en) | 1997-12-18 | 1997-12-18 | Rubber composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11181151A true JPH11181151A (en) | 1999-07-06 |
Family
ID=18401478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9349097A Pending JPH11181151A (en) | 1997-12-18 | 1997-12-18 | Rubber composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11181151A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006316182A (en) * | 2005-05-13 | 2006-11-24 | Tokyo Fabric Kogyo Kk | Low repulsive rubber composition and quake-absorbing structure body using the same |
| JP2015219049A (en) * | 2014-05-15 | 2015-12-07 | 住友ゴム工業株式会社 | Evaluation method of crosslinked rubber |
| JP2016080627A (en) * | 2014-10-21 | 2016-05-16 | 住友ゴム工業株式会社 | Evaluation method of ozone resistance, and prediction method of ozone resistance life |
| JP2018180012A (en) * | 2018-08-28 | 2018-11-15 | 住友ゴム工業株式会社 | Evaluation method of ozone resistance and prediction method of ozone resistance life |
| JP2021048378A (en) * | 2019-09-20 | 2021-03-25 | リンテック株式会社 | Sheet sticking apparatus and sheet sticking method |
-
1997
- 1997-12-18 JP JP9349097A patent/JPH11181151A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006316182A (en) * | 2005-05-13 | 2006-11-24 | Tokyo Fabric Kogyo Kk | Low repulsive rubber composition and quake-absorbing structure body using the same |
| JP2015219049A (en) * | 2014-05-15 | 2015-12-07 | 住友ゴム工業株式会社 | Evaluation method of crosslinked rubber |
| JP2016080627A (en) * | 2014-10-21 | 2016-05-16 | 住友ゴム工業株式会社 | Evaluation method of ozone resistance, and prediction method of ozone resistance life |
| JP2018180012A (en) * | 2018-08-28 | 2018-11-15 | 住友ゴム工業株式会社 | Evaluation method of ozone resistance and prediction method of ozone resistance life |
| JP2021048378A (en) * | 2019-09-20 | 2021-03-25 | リンテック株式会社 | Sheet sticking apparatus and sheet sticking method |
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