JP2981575B2 - Rubber composition and power transmission belt comprising vulcanized rubber comprising the same - Google Patents
Rubber composition and power transmission belt comprising vulcanized rubber comprising the sameInfo
- Publication number
- JP2981575B2 JP2981575B2 JP984491A JP984491A JP2981575B2 JP 2981575 B2 JP2981575 B2 JP 2981575B2 JP 984491 A JP984491 A JP 984491A JP 984491 A JP984491 A JP 984491A JP 2981575 B2 JP2981575 B2 JP 2981575B2
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- power transmission
- transmission belt
- weight
- rubber composition
- 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.)
- Expired - Fee Related
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Description
【０００１】[0001]
【産業上の利用分野】本発明は、ゴム組成物及びそれよ
り製造される耐動的疲労にすぐれるゴム製品、特に、伝
動ベルトに関し、詳しくは、高弾性、高強度及び高屈曲
性をすべて有する加硫ゴムを与える未加硫ゴム組成物及
びそのような加硫ゴムを構成部材とする耐久性にすぐれ
る伝動ベルトに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rubber composition and a rubber product produced therefrom which has excellent dynamic fatigue resistance, and more particularly to a power transmission belt, and more particularly to a rubber composition having high elasticity, high strength and high flexibility. The present invention relates to an unvulcanized rubber composition for providing a vulcanized rubber and a power belt having excellent durability and comprising such a vulcanized rubber as a constituent member.
【０００２】[0002]
【従来の技術】例えば、自動車用伝動ベルトは、所謂メ
ンテナンス・フリーの要求から、従来にも増して、一層
の高寿命化を達成することが課題とされている。しかし
ながら、従来のように、カーボンブラツクをゴムに配合
する補強では、伝動ベルトの高寿命化に限界がある。即
ち、一般に、カーボンブラツクのような粉末補強剤をゴ
ムに配合して得られるゴム製品は、カーボンブラツクが
補強剤として機能する一方で、ゴムに対して異物として
も機能するので、屈曲疲労を受けたときにカーボンブラ
ツクとゴムとの界面が亀裂開始点となつて、速やかに亀
裂が成長して、ゴム製品は高寿命をもち得ない。2. Description of the Related Art For example, there is a need for a transmission belt for an automobile to achieve a longer life than ever before due to a demand for so-called maintenance-free. However, there is a limit in extending the life of the power transmission belt in the reinforcement in which the carbon black is mixed with rubber as in the related art. That is, in general, a rubber product obtained by compounding a rubber with a powder reinforcing agent such as a carbon black is subjected to bending fatigue since the carbon black functions as a reinforcing agent and also functions as a foreign substance to the rubber. When this occurs, the interface between the carbon black and the rubber becomes the crack initiation point, the crack grows quickly, and the rubber product cannot have a long life.
【０００３】理論上は、ゴムに対するカーボンブラツク
の配合量を増加すれば、加硫ゴムを高弾性とすることが
できるが、実際上は、そのような多量のカーボンブラツ
クをゴム中に均一に分散させることは、技術的に困難で
あつて、むしろ、カーボンブラツクの不均一な分散によ
る不利益の方が大きい。[0003] Theoretically, if the amount of carbon black added to rubber is increased, the vulcanized rubber can be made highly elastic. However, in practice, such a large amount of carbon black is uniformly dispersed in rubber. It is technically difficult to do so, but rather at the expense of uneven distribution of the carbon black.
【０００４】[0004]
【発明が解決しようとする課題】本発明は、従来のゴム
の補強における上記した問題を解決するためになされた
ものであつて、高弾性、高強度及び高屈曲性をすべて有
する加硫ゴムを与える未加硫ゴム組成物を提供すること
を目的とする。更に、本発明は、耐動的疲労性にすぐれ
るかかるゴム組成物の用途、特に、かかるゴム組成物の
加硫物を構成部材とする伝動ベルトを提供することを目
的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems in the conventional rubber reinforcement, and is intended to provide a vulcanized rubber having all of high elasticity, high strength and high flexibility. It is an object to provide an unvulcanized rubber composition to be provided. A further object of the present invention is to provide a use of such a rubber composition having excellent dynamic fatigue resistance, and in particular, to provide a power transmission belt comprising a vulcanized product of such a rubber composition as a constituent member.
【０００５】[0005]
【課題を解決するための手段】本発明による伝動ベルト
は、抗張体が埋設された接着ゴム層に隣接して底ゴム層
を有する伝動ベルトにおいて、主鎖が完全飽和ゴムであ
る合成ゴム（エチレン性不飽和ニトリルを成分とするゴ
ム（高飽和ゴムを含む。）を除く。）１００重量部に対
して、有機過酸化物0.２〜１０重量部とエチレン性不飽
和カルボン酸金属塩３〜１００重量部と共に短繊維を配
合してなるゴム組成物の加硫物から上記底ゴム層を構成
したことを特徴とする。本発明において、主鎖が完全飽
和ゴムである合成ゴムとは、分子主鎖に不飽和結合をも
たない重合体よりなる合成ゴム（エチレン性不飽和ニト
リルを成分とするゴム（高飽和ゴムを含む。）を除
く。）をいい、好ましくは、分子全体が完全飽和である
ゴムをいう。かかるゴムの具体例としては、例えば、ア
クリルゴム、エチレン−プロピレンゴム、エチレン−１
−ブテンゴム、エチレン−プロピレンゴムの一部ハロゲ
ン置換物、エチレン−１−ブテンゴムの一部ハロゲン置
換物、シリコーン−アクリル共重合ゴム、シリコーン−
エチレン−プロピレン共重合ゴム、シリコーン−エチレ
ン−１−ブテン共重合ゴム、エピクロルヒドリン基を主
鎖中に有する飽和ゴム、フツ素ゴム、シリコーンゴム等
を挙げることができる。SUMMARY OF THE INVENTION A power transmission belt according to the present invention.
Is the bottom rubber layer adjacent to the adhesive rubber layer in which the tensile body is embedded
In a power transmission belt having
Synthetic rubber (elastomer containing ethylenically unsaturated nitrile)
(Including highly saturated rubber). ) 100 parts by weight
And 0.2 to 10 parts by weight of organic peroxide and ethylenically unsaturated
Short fibers are distributed together with 3 to 100 parts by weight of the metal carboxylate.
Construct the bottom rubber layer from the vulcanizate of the rubber composition
Characterized in that it was. In the present invention, a synthetic rubber whose main chain is a completely saturated rubber is a synthetic rubber (a polymer having no unsaturated bond in the molecular main chain) (ethylenically unsaturated nitrite).
Excludes rubbers containing ril (including highly saturated rubbers).
Good. ) , Preferably a rubber in which the whole molecule is completely saturated. Specific examples of such rubber include, for example, acrylic rubber, ethylene-propylene rubber, ethylene-1
-Butene rubber, partially halogenated ethylene-propylene rubber, partially halogenated ethylene-1-butene rubber, silicone-acrylic copolymer rubber, silicone-
Examples thereof include an ethylene-propylene copolymer rubber, a silicone-ethylene-1-butene copolymer rubber, a saturated rubber having an epichlorohydrin group in the main chain, a fluorine rubber, and a silicone rubber.
【０００６】これらのなかでは、本発明によるゴム組成
物の前述した利点を十分に活かす観点から、伝動ベルト
の分野においては、特に、アクリルゴム、エチレン−プ
ロピレンゴム、その一部ハロゲン置換物、エチレン−１
−ブテンゴム又はその一部ハロゲン置換物を完全飽和ゴ
ムとして用いることが好ましい。本発明において用いる
有機過酸化物は、一般に、ゴムの過酸化物加硫に用いる
ものであればよく、特に限定されるものではないが、例
えば、ジクミルパーオキサイド、ジ−ｔ−ブチルパーオ
キサイド、ｔ−ブチルクミルパーオキサイド、ベンゾイ
ルパーオキサイド、1,３−ビス（ｔ−ブチルパーオキシ
イソプロピル）ベンゼン、2,５−ジメチル−2,５−ジ
（ｔ−ブチルパーオキシ）ヘキシン−３、2,５−ジメチ
ル−2,５−（ベンゾイルパーオキシ）ヘキサン、2,５−
ジメチル−2,５−モノ（ｔ−ブチルパーオキシ）ヘキサ
ン等を挙げることができる。これらの有機過酸化物は、
単独にて又は混合物として、通常、ゴム１００重量部に
対して、0.２〜１０重量部の範囲で用いられる。Among these, from the viewpoint of fully utilizing the above-mentioned advantages of the rubber composition according to the present invention, in the field of power transmission belts, particularly, acrylic rubber, ethylene-propylene rubber, a partially halogenated product thereof, ethylene -1
-It is preferable to use butene rubber or a partial halogenated product thereof as a fully saturated rubber. The organic peroxide used in the present invention is not particularly limited as long as it is generally used for peroxide vulcanization of rubber, and examples thereof include dicumyl peroxide and di-t-butyl peroxide. , T-butylcumyl peroxide, benzoyl peroxide, 1,3-bis (t-butylperoxyisopropyl) benzene, 2,5-dimethyl-2,5-di (t-butylperoxy) hexyne-3,2 , 5-Dimethyl-2,5- (benzoylperoxy) hexane, 2,5-
Dimethyl-2,5-mono (t-butylperoxy) hexane and the like can be mentioned. These organic peroxides
It is usually used alone or as a mixture in the range of 0.2 to 10 parts by weight based on 100 parts by weight of rubber.
【０００７】また、本発明において用いるエチレン性不
飽和カルボン酸金属塩は、（メタ）アクリル酸、クロト
ン酸、３−ブテン酸等のような不飽和モノカルボン酸、
マレイン酸モノメチル、マレイン酸モノエチル、イタコ
ン酸モノエチル等のような不飽和ジカルボン酸モノエス
テル等の金属塩を挙げることができる。カルボン酸塩を
形成する金属は、特に限定されるものではないが、通
常、亜鉛、マグネシウム、カルシウム又はアルミニウム
が好適に用いられる。特に、本発明においては、（メ
タ）アクリル酸亜鉛や（メタ）アクリル酸マグネシウム
が好ましく用いられる。The metal salts of ethylenically unsaturated carboxylic acids used in the present invention include unsaturated monocarboxylic acids such as (meth) acrylic acid, crotonic acid and 3-butenoic acid.
Metal salts such as unsaturated dicarboxylic acid monoesters such as monomethyl maleate, monoethyl maleate, monoethyl itaconate and the like can be mentioned. The metal forming the carboxylate is not particularly limited, but usually zinc, magnesium, calcium or aluminum is suitably used. Particularly, in the present invention, zinc (meth) acrylate or magnesium (meth) acrylate is preferably used.
【０００８】これらのエチレン性不飽和カルボン酸金属
塩は、金属塩自体としてゴムに配合して、本発明にるゴ
ム組成物を製造してもよいが、また、ゴムに不飽和カル
ボン酸及び所要の添加剤と共に、その金属の炭酸塩のよ
うな種々の塩、酸化物、水酸化物等を配合し、混練し、
ゴム中での反応によつて、金属塩を生成させて、本発明
によるゴム組成物を製造してもよい。These ethylenically unsaturated carboxylic acid metal salts may be blended with the rubber as the metal salt itself to produce the rubber composition according to the present invention. Along with additives, various salts such as metal carbonates, oxides, hydroxides, etc. are blended and kneaded,
The metal salt may be formed by reaction in the rubber to produce the rubber composition according to the present invention.
【０００９】かかるエチレン性不飽和カルボン酸金属塩
は、本発明によるゴム組成物において、ゴム１００重量
部に対して、通常、３〜１００重量部、好ましくは５〜
６０重量部の範囲で配合される。本発明によるゴム組成
物は、上記したそれぞれの成分と共に、必要に応じて、
カーボンブラツク、シリカ等の増強剤、炭酸カルシウ
ム、タルク等の充填剤、トリアリルイソシアヌレート、
トリメチロールプロパン等の共架橋剤、可塑剤、安定
剤、加工助剤、着色剤等の通常のゴム工業で用いられる
種々の薬剤を含有していてもよい。In the rubber composition according to the present invention, such an ethylenically unsaturated carboxylic acid metal salt is used in an amount of usually 3 to 100 parts by weight, preferably 5 to 100 parts by weight, per 100 parts by weight of rubber.
It is blended in the range of 60 parts by weight. The rubber composition according to the present invention, together with the respective components described above, if necessary,
Carbon black, enhancer such as silica, calcium carbonate, filler such as talc, triallyl isocyanurate,
It may contain various agents used in the general rubber industry, such as a co-crosslinking agent such as trimethylolpropane, a plasticizer, a stabilizer, a processing aid, and a coloring agent.
【００１０】本発明によるゴム組成物は、前記主鎖が完
全飽和ゴムである合成ゴム、有機過酸化物及びエチレン
性不飽和カルボン酸金属塩を必要に応じて上述したよう
な薬剤と共にロール、バンバリー等、通常の混合手段を
用いて均一に混合することによつて得ることができる。
前記したエチレン性不飽和カルボン酸金属塩は、前記主
鎖が完全飽和ゴムである合成ゴム中に容易に均一に分散
され、しかも、有機過酸化物から生成するラジカルに対
して、ゴム重合体分子よりも反応性が高い。従つて、本
発明によるゴム組成物を有機過酸化物加硫するとき、ゴ
ム重合体分子間の架橋反応やゴム重合体分子とエチレン
性不飽和カルボン酸金属塩との反応よりも、エチレン性
不飽和カルボン酸金属塩がゴム中で速やかに重合し、か
くして、ゴム重合体分子とエチレン性不飽和カルボン酸
金属塩の重合体とが相互に侵入しあい、更に、ゴム重合
体分子とエチレン性不飽和カルボン酸金属塩の重合体と
が架橋し、また、ゴム重合体分子も架橋するので、ゴム
構造中に３次元網目構造が形成されて、高強度、高弾性
及び高屈曲疲労性を有する加硫ゴムを得ることができ
る。[0010] The rubber composition according to the present invention comprises a synthetic rubber having a main chain of a fully saturated rubber, an organic peroxide and a metal salt of an ethylenically unsaturated carboxylic acid, if necessary, together with the above-mentioned chemicals in a roll or Banbury. And the like, and can be obtained by uniformly mixing using ordinary mixing means.
The above-mentioned metal salt of an ethylenically unsaturated carboxylic acid is easily and uniformly dispersed in a synthetic rubber whose main chain is a completely saturated rubber, and furthermore, a rubber polymer molecule against radicals generated from an organic peroxide. More reactive than Accordingly, when the rubber composition according to the present invention is vulcanized with an organic peroxide, the ethylenic unsaturated carboxylic acid is more reactive than the crosslinking reaction between the rubber polymer molecules and the reaction between the rubber polymer molecule and the ethylenically unsaturated metal carboxylate. The saturated metal carboxylate polymerizes quickly in the rubber, thus allowing the rubber polymer molecules and the polymer of the ethylenically unsaturated carboxylic acid metal salt to penetrate each other, and furthermore, the rubber polymer molecules and the ethylenically unsaturated Since the polymer of the metal carboxylate is crosslinked and the rubber polymer molecule is also crosslinked, a three-dimensional network structure is formed in the rubber structure, and the vulcanization has high strength, high elasticity and high flex fatigue. Rubber can be obtained.
【００１１】従つて、本発明によるゴム組成物は、特
に、動的疲労が加わる伝動ベルト、特に、その底ゴム層
として好適に用いることができる。図１は、伝動ベルト
の１種であるポリリブドベルトの横断面図を示し、ベル
ト表面層は、単層又は複数層のゴムコート帆布１にて形
成されており、これに隣接して、例えば、ポリエステル
繊維、ポリアミド繊維、炭素繊維、ガラス繊維、スチー
ル等からなるコードのように低伸度の抗張体２が埋設さ
れた接着ゴム層３が積層され、更に、これに隣接して、
リブ４を備えた底ゴム層５が積層されている。本発明に
よれば、底ゴム層５には、その耐側圧性を高めるため
に、ベルトの幅方向に短繊維６が配向して分散せしめら
れる。Therefore, the rubber composition according to the present invention can be suitably used particularly as a power transmission belt to which dynamic fatigue is applied, particularly as a bottom rubber layer thereof. FIG. 1 is a cross-sectional view of a polyribbed belt, which is one type of a power transmission belt. The belt surface layer is formed of a single-layer or multiple-layer rubber-coated canvas 1 and adjacent thereto, for example, polyester. An adhesive rubber layer 3 embedded with a low elongation tensile member 2 like a cord made of fiber, polyamide fiber, carbon fiber, glass fiber, steel or the like is laminated, and further, adjacent thereto,
A bottom rubber layer 5 having ribs 4 is laminated. In the present invention
According to this, the short fibers 6 are oriented and dispersed in the width direction of the belt in the bottom rubber layer 5 in order to increase the lateral pressure resistance.
【００１２】本発明によれば、前述したような主鎖が完
全飽和ゴムである合成ゴムに有機過酸化物及びエチレン
性不飽和カルボン酸金属塩を配合してなるゴム組成物の
加硫物を構成部材として用いることによつて、耐動的疲
労性にすぐれる伝動ベルトを得ることができる。特に、
本発明によれば、前述したように、抗張体が埋設された
接着ゴム層に隣接して底ゴム層を有する伝動ベルトにお
いて、動的疲労を受けやすい上記底ゴム層に上記ゴム組
成物の加硫物を有利に用いることができる。かかる本発
明による伝動ベルトは、従来のカーボンブラツク補強に
よる底ゴム層を備えた伝動ベルトに比べて、高い耐動的
疲労性を有し、格段に長寿命を有する。According to the present invention, a vulcanized rubber composition obtained by blending an organic peroxide and a metal salt of an ethylenically unsaturated carboxylic acid with a synthetic rubber having a main chain of a fully saturated rubber as described above is used. By using it as a constituent member, a transmission belt having excellent dynamic fatigue resistance can be obtained. Especially,
According to the present invention, as described above, in a power transmission belt having a bottom rubber layer adjacent to an adhesive rubber layer in which a tensile member is embedded, the bottom rubber layer is susceptible to dynamic fatigue. Vulcanizates can be used advantageously. Such a power transmission belt according to the present invention has higher dynamic fatigue resistance and a much longer life than a conventional power transmission belt having a bottom rubber layer reinforced by carbon black.
【００１３】[0013]
【００１４】[0014]
【発明の効果】以上のように、本発明によるゴム組成物
は、高強度、高弾性及び高屈曲疲労性を有する加硫ゴム
を与えるので、ベルト、なかでも、伝動ベルトに好適に
用いることができる。特に、本発明によれば、従来のカ
ーボンブラツク補強による底ゴム層を備えた伝動ベルト
に比べて、高い耐動的疲労性を有せしめて、走行寿命を
格段に改善することができる。 As described above, the rubber composition according to the present invention gives a vulcanized rubber having high strength, high elasticity and high flex fatigue, so that it is suitable for belts, especially for power transmission belts.
Can be used. In particular, according to the present invention, the conventional
-Power transmission belt with bottom rubber layer reinforced with Bon Black
Compared to, it has higher dynamic fatigue resistance and longer running life.
It can be greatly improved.
【００１５】[0015]
【実施例】以下に実施例を挙げて本発明を説明するが、
本発明はこれら実施例により何ら限定されるものではな
い。 実施例１ 表１に示すアクリルゴム組成物をバンバリーミキサーに
て混練した後、カレンダーロールにて圧延し、６／６ナ
イロンからなる短繊維（長さ６mm）１０容量％をベルト
幅方向に配向させて、未加硫ゴムシートとした。このシ
ートを１７０℃で２０分間加硫して、加硫ゴムシートを
得た。この加硫ゴムシートの性質を表１に示す。EXAMPLES The present invention will be described below with reference to examples.
The present invention is not limited by these examples. Example 1 The acrylic rubber composition shown in Table 1 was kneaded with a Banbury mixer and then rolled with a calender roll to orient 10% by volume of 6/6 nylon short fiber (length 6 mm) in the belt width direction. Thus, an unvulcanized rubber sheet was obtained. This sheet was vulcanized at 170 ° C. for 20 minutes to obtain a vulcanized rubber sheet. Table 1 shows the properties of the vulcanized rubber sheet.
【００１６】また、上記未加硫ゴムを底ゴム層に用い
て、３リブ、長さ９７５mmのポリリブドベルトを作製
し、走行試験によつて、動的疲労による寿命を調べた。
ベルトの走行試験は、ベルトを径１２０mmの駆動プーリ
ー、径１２０mmの従動プーリー、径７０mmのアイドラー
プーリー及び径４５mmのアイドラープーリーに巻き掛
け、従動プーリー負荷１６馬力、アイドラープーリーへ
のセツトウエイト（張力）８５ Kgf、駆動プーリー回転
数４９００rpm として、８５℃の雰囲気下にベルトを走
行させた。Using the above unvulcanized rubber for the bottom rubber layer, a polyribbed belt having three ribs and a length of 975 mm was prepared, and the life due to dynamic fatigue was examined by a running test.
In the running test of the belt, the belt was wound around a driving pulley having a diameter of 120 mm, a driven pulley having a diameter of 120 mm, an idler pulley having a diameter of 70 mm, and an idler pulley having a diameter of 45 mm. The belt was run under an atmosphere of 85 ° C. at 85 Kgf and a driving pulley rotation speed of 4900 rpm.
【００１７】ベルト寿命は、底ゴムにクラツクが発生す
るまでのベルト走行時間によつて評価した。結果を表１
に示す。The life of the belt was evaluated based on the running time of the belt until cracks occurred in the rubber bottom. Table 1 shows the results
Shown in
【００１８】実施例２ 表２に示すエチレン−プロピレンゴム組成物をバンバリ
ーミキサーにて混練した後、カレンダーロールにて圧延
し、６／６ナイロンからなる短繊維（長さ６mm）１０容
量％をベルト幅方向に配向させて、未加硫ゴムシートと
した。このシートを１６０℃で３０分間加硫して、加硫
ゴムシートを得た。この加硫ゴムシートの性質を表２に
示す。Example 2 An ethylene-propylene rubber composition shown in Table 2 was kneaded with a Banbury mixer and then rolled with a calender roll, and 10% by volume of 6/6 nylon short fiber (length 6 mm) was belted. The unvulcanized rubber sheet was oriented in the width direction. This sheet was vulcanized at 160 ° C. for 30 minutes to obtain a vulcanized rubber sheet. Table 2 shows the properties of the vulcanized rubber sheet.
【００１９】また、上記未加硫ゴムを用いて、実施例１
と同様のポリリブドベルトを作製し、実施例１と同様に
走行試験によつて、動的疲労による寿命を調べた。結果
を表２に示す。 実施例３ 表３に示すエチレン−１−ブテンゴムの一部塩素置換物
の組成物をバンバリーミキサーにて混練した後、カレン
ダーロールにて圧延し、６／６ナイロンからなる短繊維
（長さ６mm）１０容量％をベルト幅方向に配向させて、
未加硫ゴムシートとした。このシートを１７０℃で２０
分間加硫して、加硫ゴムシートを得た。この加硫ゴムシ
ートの性質を表３に示す。Also, in Example 1 using the above unvulcanized rubber,
A polyribbed belt similar to that of Example 1 was manufactured, and the life due to dynamic fatigue was examined by a running test in the same manner as in Example 1. Table 2 shows the results. Example 3 A composition of a partially chlorinated ethylene-1-butene rubber shown in Table 3 was kneaded with a Banbury mixer, then rolled with a calender roll, and short fibers made of 6/6 nylon (length 6 mm). Orient 10% by volume in the belt width direction,
An unvulcanized rubber sheet was used. This sheet is heated at 170 ° C for 20
After vulcanization for minutes, a vulcanized rubber sheet was obtained. Table 3 shows the properties of the vulcanized rubber sheet.
【００２０】また、上記未加硫ゴムを用いて、実施例１
と同様のポリリブドベルトを作製し、実施例１と同様に
走行試験によつて、動的疲労による寿命を調べた。結果
を表３に示す。Further, in Example 1 using the above unvulcanized rubber,
A polyribbed belt similar to that of Example 1 was manufactured, and the life due to dynamic fatigue was examined by a running test in the same manner as in Example 1. Table 3 shows the results.
【００２１】[0021]
【表１】 [Table 1]
【００２２】[0022]
【表２】 [Table 2]
【００２３】[0023]
【表３】 [Table 3]
【図１】はポリリブドベルトの一例を示す横断面図であ
る。FIG. 1 is a cross-sectional view showing an example of a polyribbed belt.
１…ゴムコート帆布、２…抗張体、３…接着ゴム層、４
…リブ、５…底ゴム層、６…短繊維。1 ... rubber coated canvas, 2 ... tensile body, 3 ... adhesive rubber layer, 4
... ribs, 5 ... bottom rubber layer, 6 ... short fibers.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｃ０８Ｋ 5:14） (56)参考文献 特開 平１−306445（ＪＰ，Ａ) 特開 平１−306440（ＪＰ，Ａ) 特開 平４−4242（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) C08L 7/00 - 21/02 C08K 5/098 C08K 5/14 F16G 1/06 ──────────────────────────────────────────────────続 き Continuation of the front page (51) Int.Cl. 6 identification code FI C08K 5:14) (56) References JP-A-1-306445 (JP, A) JP-A-1-306440 (JP, A) JP-A-4-4242 (JP, A) (58) Fields investigated (Int. Cl. 6 , DB name) C08L 7/00-21/02 C08K 5/098 C08K 5/14 F16G 1/06
Claims (2)
底ゴム層を有する伝動ベルトにおいて、主鎖が完全飽和
ゴムである合成ゴム（エチレン性不飽和ニトリルを成分
とするゴム（高飽和ゴムを含む。）を除く。）１００重
量部に対して、有機過酸化物0.２〜１０重量部とエチレ
ン性不飽和カルボン酸金属塩３〜１００重量部と共に短
繊維を配合してなるゴム組成物の加硫物から上記底ゴム
層を構成したことを特徴とする伝動ベルト。 1. An adhesive rubber layer in which a tensile member is embedded.
In power transmission belt with bottom rubber layer, main chain is completely saturated
Synthetic rubber that is rubber (containing ethylenically unsaturated nitrile
(Including highly saturated rubber). ) 100 weight
Parts to 0.2 to 10 parts by weight of organic peroxide
Together with 3 to 100 parts by weight of an unsaturated unsaturated carboxylic acid metal salt
From the vulcanizate of the rubber composition comprising fibers
A power transmission belt comprising a layer.
和モノカルボン酸若しくは不飽和ジカルボン酸モノエス
テルの亜鉛塩、マグネシウム塩、カルシウム塩又はアル
ミニウム塩である請求項１記載の伝動ベルト。 2. The method according to claim 1, wherein the metal salt of the ethylenically unsaturated carboxylic acid is unsaturated.
Monocarboxylic acid or unsaturated dicarboxylic acid monoes
Ter zinc, magnesium, calcium, or aluminum salts
The power transmission belt according to claim 1, which is a minium salt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP984491A JP2981575B2 (en) | 1991-01-30 | 1991-01-30 | Rubber composition and power transmission belt comprising vulcanized rubber comprising the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP984491A JP2981575B2 (en) | 1991-01-30 | 1991-01-30 | Rubber composition and power transmission belt comprising vulcanized rubber comprising the same |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11173756A Division JP2000027949A (en) | 1999-06-21 | 1999-06-21 | Transmission belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04339843A JPH04339843A (en) | 1992-11-26 |
| JP2981575B2 true JP2981575B2 (en) | 1999-11-22 |
Family
ID=11731440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP984491A Expired - Fee Related JP2981575B2 (en) | 1991-01-30 | 1991-01-30 | Rubber composition and power transmission belt comprising vulcanized rubber comprising the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2981575B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09500930A (en) | 1994-10-31 | 1997-01-28 | ザ ゲイツ ラバー カンパニー | Ethylene-alpha-olefin belting |
| DE19547025A1 (en) † | 1995-12-15 | 1997-06-19 | Contitech Antriebssysteme Gmbh | Drive belt |
| US6607828B1 (en) | 1998-12-16 | 2003-08-19 | Mitsuboshi Belting Ltd. | Method of bonding an ethylene-α-olefin rubber composition to a fiber cord and a fiber cord-rubber laminate made according to the method |
| DE102006018717A1 (en) | 2006-04-20 | 2007-10-25 | Contitech Antriebssysteme Gmbh | Elastomer product with radically crosslinked rubber mixture |
| JP5315355B2 (en) * | 2008-10-24 | 2013-10-16 | バンドー化学株式会社 | Rubber composition for transmission belt and transmission belt using the same |
| JP5482389B2 (en) * | 2010-04-02 | 2014-05-07 | 豊田合成株式会社 | Vulcanized rubber material |
| JP7348143B2 (en) * | 2019-07-22 | 2023-09-20 | 三ツ星ベルト株式会社 | Rubber composition, method for producing the same, and power transmission belt |
-
1991
- 1991-01-30 JP JP984491A patent/JP2981575B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04339843A (en) | 1992-11-26 |
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