JPH037743A - Rubber composition - Google Patents
Rubber compositionInfo
- Publication number
- JPH037743A JPH037743A JP1142483A JP14248389A JPH037743A JP H037743 A JPH037743 A JP H037743A JP 1142483 A JP1142483 A JP 1142483A JP 14248389 A JP14248389 A JP 14248389A JP H037743 A JPH037743 A JP H037743A
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- parts
- weight
- pts
- silica
- 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 41
- 239000005060 rubber Substances 0.000 title claims abstract description 41
- 239000000203 mixture Substances 0.000 title claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 239000006229 carbon black Substances 0.000 claims abstract description 16
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- UUEWCQRISZBELL-UHFFFAOYSA-N 3-trimethoxysilylpropane-1-thiol Chemical compound CO[Si](OC)(OC)CCCS UUEWCQRISZBELL-UHFFFAOYSA-N 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 7
- 238000004073 vulcanization Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920005549 butyl rubber Polymers 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010073 coating (rubber) Methods 0.000 description 2
- 229920003049 isoprene rubber Polymers 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- AMFIJXSMYBKJQV-UHFFFAOYSA-L cobalt(2+);octadecanoate Chemical compound [Co+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AMFIJXSMYBKJQV-UHFFFAOYSA-L 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Tires In General (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明はスチールコード入りタイヤのスチールを被覆す
るゴム及びその周辺部材ゴム用の組成物に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a rubber coating the steel of a steel-corded tire and a composition for rubber of its peripheral parts.
（従来の技術）
従来のスチールコード入りタイヤのスチールを被覆する
ゴム及びその周辺部材ゴム用の組成物はシリカ／カーボ
ンブラックの比が０．５未満、シリカ量が２０ ｐ ｂ
ｒ未満であるため、高引裂破壊物性が得られない。そ
れを向」ニさせるためにカーボン舅。(Prior Art) Conventional compositions for the rubber covering the steel of steel corded tires and the rubber for its peripheral parts have a silica/carbon black ratio of less than 0.5 and a silica amount of 20 ppb.
Since it is less than r, high tear fracture properties cannot be obtained. Carbon to make it look like this.
を減らすと剛性が低下しゴム部材の機能として不充分で
ある。If it is reduced, the rigidity will decrease and the function of the rubber member will be insufficient.
（発明が解決しようとする課題）
本発明の目的はシリカとカーボン量の比率で加工性、高
剛性を維持したまま、引裂破壊強度の良いスチールコー
ド入りタイヤのスチールを被覆するゴム及びその周辺部
材ゴム用の組成物を提供することにある。(Problems to be Solved by the Invention) The purpose of the present invention is to maintain workability and high rigidity through the ratio of silica and carbon content, and to provide rubber that covers the steel of steel corded tires with good tear strength and peripheral components thereof. An object of the present invention is to provide a composition for rubber.
（課題を解決するための手段）
本発明はスチールコード入りタイヤのスチールを被覆す
るゴム及びその周辺部材ゴム用の組成物において、ゴム
成分１００重量部に対しでシリカを２０〜５０重量部、
カーボンブラックを２０〜５０重量部含有し、シリカ／
カーボンブラックの比率が０．５〜２であり、トータル
フィラー量が４０〜９０重量部で、更にシランカップリ
ング剤を０．５〜５重量部含有することを特徴とするゴ
ム組成物に係る。(Means for Solving the Problems) The present invention provides a composition for rubber coating the steel of a steel cord-containing tire and rubber for peripheral parts thereof, in which 20 to 50 parts by weight of silica is added to 100 parts by weight of the rubber component.
Contains 20 to 50 parts by weight of carbon black, silica/
The present invention relates to a rubber composition having a carbon black ratio of 0.5 to 2, a total filler amount of 40 to 90 parts by weight, and further containing a silane coupling agent of 0.5 to 5 parts by weight.
本発明においてスチールを被覆するゴムの周辺部材ゴム
とは例えばトレッド下クツション、ベルトコード被覆ゴ
ム、ベルトパッド、プライコード被覆ゴム、ビードイン
シュレーション等を挙げることができる。In the present invention, examples of the rubber surrounding the rubber covering the steel include a tread undercushion, belt cord covering rubber, belt pad, ply cord covering rubber, and bead insulation.
本発明のゴム組成物のゴム成分としては天然ゴム（ＮＲ
）、ブタジェンゴム（Ｂ Ｒ）、スチレンブタジェンゴ
ム（Ｓ Ｂ Ｒ）、イソプレンゴム（ＩＲ）、ブチルゴ
ム（ＩＩＲ）及びこれらのブレンドを使用することがで
きる。The rubber component of the rubber composition of the present invention is natural rubber (NR
), butadiene rubber (B R), styrene butadiene rubber (S B R), isoprene rubber (IR), butyl rubber (IIR) and blends thereof can be used.
本発明では上記ゴム成分１００重量部に対してシリカを
２０〜５０重量部、カーボンブラックを２０〜５０重量
部配合シンその際シリカ／カーボンブラックの比率を０
．５〜２の範囲とし、シリカ及びカーボンブラックから
なるトータルフィラー量を４０〜９０重量部とする。シ
リカが２０重量部未満の場合は弓裂破壊強度の大幅な増
加が見られず、５０重量部を越えるとスコーチ性が悪く
、粘度が高くなり加工性が着しく悪くなる。カーボンブ
ラックが２０重量部未満では充分な硬度が得られず、５
０重量部を越えると引裂破壊強度が極端に悪くなる。こ
こで弓裂破壊強度とは動的又は靜的な引裂抵抗力のこと
を言う（但しスチールコード被覆ゴムの場合はスチール
、ゴム間の剥離強度も含まれる）。シリカ／カーボンブ
ラックの比率が０．５未満で且つｌ・−タルフィラー量
が４０重量部未満の場合、充分な剛性が得られない。該
比率が２を越え且つフィラー量が４０重量部未満の場合
、カーボンブラックによる高補強性が得られない。比率
が０．５未満で且つフィラー量が９０重量部を越える場
合、引裂破壊強度が大幅に低下する。比率が２を越え且
つフィラー量が９０重負部を越える場合、スコーチ性が
悪く、粘度が高くなり、加工性が大幅に悪化する。以上
よりシリカ／カーポンプフックの好ましい比率は０．８
〜１．５であり、トータルフィラー量の好ましい範囲は
５０〜８０重量部である。In the present invention, 20 to 50 parts by weight of silica and 20 to 50 parts by weight of carbon black are mixed with 100 parts by weight of the above rubber component.
．． 5 to 2, and the total filler amount consisting of silica and carbon black is 40 to 90 parts by weight. When the amount of silica is less than 20 parts by weight, no significant increase in the fracture strength is observed, and when it exceeds 50 parts by weight, the scorch properties are poor, the viscosity is high, and the workability is poor. If carbon black is less than 20 parts by weight, sufficient hardness cannot be obtained;
If it exceeds 0 parts by weight, the tear rupture strength will be extremely poor. Here, the bow tear fracture strength refers to dynamic or silent tear resistance (however, in the case of steel cord coated rubber, it also includes the peel strength between steel and rubber). If the silica/carbon black ratio is less than 0.5 and the l·-tal filler amount is less than 40 parts by weight, sufficient rigidity cannot be obtained. If the ratio exceeds 2 and the amount of filler is less than 40 parts by weight, high reinforcing properties due to carbon black cannot be obtained. When the ratio is less than 0.5 and the amount of filler exceeds 90 parts by weight, the tear strength at break is significantly reduced. If the ratio exceeds 2 and the amount of filler exceeds 90 parts, the scorch property will be poor, the viscosity will be high, and the processability will be significantly deteriorated. From the above, the preferred ratio of silica/car pump hook is 0.8.
-1.5, and the preferable range of the total filler amount is 50 to 80 parts by weight.
本発明では更にシリカの補強性を向上させるためにシラ
ンカップリング斉りをゴム成分１００重量部に対して０
．５〜５重量部配合する。シランカップリング剤として
は公知のものを使用でき、例えばγ−メルカプトプロピ
ルトリメ１キシシラン、γ−
一アミノプロビルトリエトキシシラン、ビス−〔３−（
トリエトキシシリル）−プロピルツーテトラスルフィド
等を挙げることができる。シランカップリング剤が０．
５重量部未満の場合、シリカの補強性が向上せず、５重
量部を越えると動的な引裂破壊強度が大幅に低下する。In the present invention, in order to further improve the reinforcing properties of silica, the silane coupling uniformity is reduced to 0% per 100 parts by weight of the rubber component.
．． Add 5 to 5 parts by weight. Known silane coupling agents can be used, such as γ-mercaptopropyltrimethoxysilane, γ-monaminopropyltriethoxysilane, bis-[3-(
Triethoxysilyl)-propyl two-tetra sulfide and the like can be mentioned. The silane coupling agent is 0.
If the amount is less than 5 parts by weight, the reinforcing properties of silica will not be improved, and if it exceeds 5 parts by weight, the dynamic tear strength will be significantly reduced.
好ましいシランカップリング剤の量は１〜３重量部であ
る。The preferred amount of silane coupling agent is 1 to 3 parts by weight.
本発明においては上記成分の他に公知の加硫剤、加硫促
進剤、加硫促進助剤、加硫遅延剤、有機過酸化物、補強
剤、充填剤、老化防止剤、粘着付与剤、着色剤等を添加
できることは勿論である。In addition to the above-mentioned components, the present invention also includes known vulcanizing agents, vulcanization accelerators, vulcanization accelerators, vulcanization retarders, organic peroxides, reinforcing agents, fillers, anti-aging agents, tackifiers, Of course, coloring agents and the like can be added.
本発明のゴム組成物は上記成分を通常の加工装置、例え
ばロール、バンバリーミキサ−、ニーグーなどにより混
練することにより得られる。The rubber composition of the present invention can be obtained by kneading the above-mentioned components using a conventional processing device such as a roll, a Banbury mixer, or a Nigu.
本発明のゴム組成物は通常公知の方法によりスチールを
被覆するゴム及びその周辺部材ゴムとして加硫成形する
ことができる。The rubber composition of the present invention can be vulcanized and molded as a rubber for coating steel and rubber for its peripheral parts by a commonly known method.
（発明の効果）
本発明のゴム組成物から得られるスチールを被覆するゴ
ム及びその周辺部材ゴムは優れた加工性高剛性及び引裂
破壊強度を有する。(Effects of the Invention) The rubber covering steel and the rubber for peripheral parts thereof obtained from the rubber composition of the present invention have excellent processability, high rigidity, and tear strength.
（実 施 例）
以下に実施例及び比較例を挙げて説明する。尚、単に部
とあるは重量部を示す。(Example) Examples and comparative examples will be described below. Note that parts simply indicate parts by weight.
実施例及び比較例
第１表に記載のゴム１００部、カーボンブラック各部、
シリカ各部、シランカップリング剤各部、亜鉛華１０部
、ステアリン酸コバルト２部、レゾルシン１部、ヘキサ
メチレンテトフミン１部、加硫促進剤（ＣＺ）１部及び
硫黄５部を、バンバリーミキサ−により４分間光分に混
練しゴム組成物を得た。シランカップリング剤としては
ビス−〔３−（）リエトキシシリル）プロピルツーテト
ラスルファイドを用いた。Examples and Comparative Examples 100 parts of the rubber listed in Table 1, each part of carbon black,
Each part of silica, each part of silane coupling agent, 10 parts of zinc white, 2 parts of cobalt stearate, 1 part of resorcinol, 1 part of hexamethylenetethumine, 1 part of vulcanization accelerator (CZ) and 5 parts of sulfur were added in a Banbury mixer. A rubber composition was obtained by kneading the mixture for 4 minutes. Bis-[3-()ethoxysilyl)propyltwo-tetrasulfide was used as the silane coupling agent.
このゴム組成物のムーニー粘度（ＭＬ、＋０１００℃）
、スコーチタイム、硬度（Ｊ Ｉ Ｓ Ｋ６３０１）
、モジュラス（Ｍ、、、）、引張強％（Ｔ日）、伸び（
Ｅｓ）、引裂強度、ベルト耐久性を、Ｊ ｒ Ｓ Ｋ
６３０１に準拠して測定した。Mooney viscosity (ML, +0100°C) of this rubber composition
, scorch time, hardness (JIS K6301)
, Modulus (M, , ), Tensile strength % (T days), Elongation (
Es), tear strength, belt durability, J r S K
Measured in accordance with 6301.
ベルト耐久性 ； リブタイプタイヤ１０００Ｒ２０を
台上耐久試験（ドラム）にて故障する迄タイヤを走行さ
せその走行距離を比較例１を１００として指数表示した
。大きい方が耐久性が良好である。Belt durability: A rib type tire 1000R20 was run on a bench durability test (drum) until it failed, and the distance traveled was expressed as an index with Comparative Example 1 set as 100. The larger the size, the better the durability.
カーボンブラック、シリカ、シランカップリング剤の全
てにおいて、その量が本発明の範囲外の比較例１は引裂
強度が悪く、シリカの量が少な（・比較例２はベルト耐
久性が劣り、シリカ／カーボンブラックの比率が小さい
比較例３は引裂強度及びベルト耐久性に劣り、シランカ
ップリング剤の量が多い比較例４は引裂強度が劣る。−
力木発明の実施例１及び２は全ての物性においてバラン
スがとれている。Comparative Example 1, in which the amounts of carbon black, silica, and silane coupling agent were all outside the range of the present invention, had poor tear strength and a small amount of silica (Comparative Example 2 had poor belt durability and silica/ Comparative Example 3, which has a small proportion of carbon black, has poor tear strength and belt durability, and Comparative Example 4, which has a large amount of silane coupling agent, has poor tear strength.
Examples 1 and 2 of the strength tree invention are well balanced in all physical properties.
（以 上） 出 願 人 東洋ゴム工業株式会社 代 理 人 弁理士 １） 村 巌−(that's all) Sender: Toyo Tire & Rubber Industries Co., Ltd. Representative Patent Attorney 1) Iwao Mura
Claims (1)
ゴム及びその周辺部材ゴム用の組成物において、ゴム成
分１００重量部に対してシリカを２０〜５０重量部、カ
ーボンブラックを２０〜５０重量部含有し、シリカ／カ
ーボンブラックの比率が０．５〜２であリ、トータルフ
ィラー量が４０〜９０重量部で、更にシランカップリン
グ剤を０．５〜５重量部含有することを特徴とするゴム
組成物。(1) A composition for the rubber covering the steel of a steel corded tire and its peripheral component rubber contains 20 to 50 parts by weight of silica and 20 to 50 parts by weight of carbon black per 100 parts by weight of the rubber component. , a rubber composition characterized in that the ratio of silica/carbon black is 0.5 to 2, the total amount of filler is 40 to 90 parts by weight, and further contains 0.5 to 5 parts by weight of a silane coupling agent. thing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1142483A JPH037743A (en) | 1989-06-05 | 1989-06-05 | Rubber composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1142483A JPH037743A (en) | 1989-06-05 | 1989-06-05 | Rubber composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH037743A true JPH037743A (en) | 1991-01-14 |
Family
ID=15316372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1142483A Pending JPH037743A (en) | 1989-06-05 | 1989-06-05 | Rubber composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH037743A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08230411A (en) * | 1995-01-20 | 1996-09-10 | Michelin & Cie | Tire of sedimented silica base having improved rolling resistance |
| JP2000230081A (en) * | 1999-02-11 | 2000-08-22 | Soc De Technol Michelin | Use of low hysteresis composition having a specific cohesiveness for improving life of radial carcass tire |
| KR100445831B1 (en) * | 2001-11-23 | 2004-08-30 | 한국타이어 주식회사 | Rubber composition for steel cord belt edge tape |
| KR100449376B1 (en) * | 2001-04-10 | 2004-09-21 | 한국타이어 주식회사 | Sticking method for pneumatic tire |
| JP2006143821A (en) * | 2004-11-17 | 2006-06-08 | Sumitomo Rubber Ind Ltd | Pneumatic tire and method for producing the same |
| JP2007231190A (en) * | 2006-03-02 | 2007-09-13 | Sumitomo Rubber Ind Ltd | Rubber composition for covering steel-cord |
| WO2009072382A1 (en) * | 2007-12-07 | 2009-06-11 | Sumitomo Rubber Industries, Ltd. | Rubber composition for breaker topping |
| JP2009155632A (en) * | 2007-12-07 | 2009-07-16 | Sumitomo Rubber Ind Ltd | Rubber composition for breaker topping |
| US9051451B2 (en) | 2011-05-13 | 2015-06-09 | Sumitomo Rubber Industries, Ltd. | Rubber composition for breaker topping and pneumatic tire |
-
1989
- 1989-06-05 JP JP1142483A patent/JPH037743A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08230411A (en) * | 1995-01-20 | 1996-09-10 | Michelin & Cie | Tire of sedimented silica base having improved rolling resistance |
| JP2000230081A (en) * | 1999-02-11 | 2000-08-22 | Soc De Technol Michelin | Use of low hysteresis composition having a specific cohesiveness for improving life of radial carcass tire |
| JP2000234036A (en) * | 1999-02-11 | 2000-08-29 | Soc De Technol Michelin | Use of low hysteresis composition having specific cohesiveness for improving life of radial carcass tire |
| JP4686003B2 (en) * | 1999-02-11 | 2011-05-18 | ソシエテ ド テクノロジー ミシュラン | Use of low hysteresis composition with specific cohesiveness to improve the life of radial carcass tires |
| KR100449376B1 (en) * | 2001-04-10 | 2004-09-21 | 한국타이어 주식회사 | Sticking method for pneumatic tire |
| KR100445831B1 (en) * | 2001-11-23 | 2004-08-30 | 한국타이어 주식회사 | Rubber composition for steel cord belt edge tape |
| JP4549164B2 (en) * | 2004-11-17 | 2010-09-22 | 住友ゴム工業株式会社 | Pneumatic tire and manufacturing method thereof |
| JP2006143821A (en) * | 2004-11-17 | 2006-06-08 | Sumitomo Rubber Ind Ltd | Pneumatic tire and method for producing the same |
| JP2007231190A (en) * | 2006-03-02 | 2007-09-13 | Sumitomo Rubber Ind Ltd | Rubber composition for covering steel-cord |
| WO2009072382A1 (en) * | 2007-12-07 | 2009-06-11 | Sumitomo Rubber Industries, Ltd. | Rubber composition for breaker topping |
| JP2009155632A (en) * | 2007-12-07 | 2009-07-16 | Sumitomo Rubber Ind Ltd | Rubber composition for breaker topping |
| US8258213B2 (en) | 2007-12-07 | 2012-09-04 | Sumitomo Rubber Industries, Ltd. | Rubber composition for breaker topping |
| US9051451B2 (en) | 2011-05-13 | 2015-06-09 | Sumitomo Rubber Industries, Ltd. | Rubber composition for breaker topping and pneumatic tire |
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