JPS63256637A - Rubber composition - Google Patents
Rubber compositionInfo
- Publication number
- JPS63256637A JPS63256637A JP9008587A JP9008587A JPS63256637A JP S63256637 A JPS63256637 A JP S63256637A JP 9008587 A JP9008587 A JP 9008587A JP 9008587 A JP9008587 A JP 9008587A JP S63256637 A JPS63256637 A JP S63256637A
- Authority
- JP
- Japan
- Prior art keywords
- rubber composition
- dibutyl sebacate
- weight
- rubber
- parts
- 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
- 239000000203 mixture Substances 0.000 title claims abstract description 18
- 229920001971 elastomer Polymers 0.000 title claims abstract description 16
- PYGXAGIECVVIOZ-UHFFFAOYSA-N Dibutyl decanedioate Chemical compound CCCCOC(=O)CCCCCCCCC(=O)OCCCC PYGXAGIECVVIOZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229920001084 poly(chloroprene) Polymers 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 abstract description 4
- 235000021355 Stearic acid Nutrition 0.000 abstract description 3
- 239000002253 acid Substances 0.000 abstract description 3
- 239000003963 antioxidant agent Substances 0.000 abstract description 3
- 230000003078 antioxidant effect Effects 0.000 abstract description 3
- 239000006229 carbon black Substances 0.000 abstract description 3
- 239000000314 lubricant Substances 0.000 abstract description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 abstract description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 abstract description 3
- 239000008117 stearic acid Substances 0.000 abstract description 3
- 239000003112 inhibitor Substances 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000004073 vulcanization Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 2
- ZFMQKOWCDKKBIF-UHFFFAOYSA-N bis(3,5-difluorophenyl)phosphane Chemical compound FC1=CC(F)=CC(PC=2C=C(F)C=C(F)C=2)=C1 ZFMQKOWCDKKBIF-UHFFFAOYSA-N 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 235000019252 potassium sulphite Nutrition 0.000 description 1
- 230000002265 prevention Effects 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、ゴム組成物に関し、更に詳しくは、車両の等
速ジヨイントブーツ等の成形に供されるクロロプレンゴ
ム組成物に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a rubber composition, and more particularly to a chloroprene rubber composition used for molding constant velocity joint boots for vehicles and the like.
従来の技術
従来、この種のクロロプレンゴム組成物としては、クロ
ロプレン（ＣＲ）１００重量部に対して、ジオクチルフ
タレート又はジオクチルアジペートを可塑剤として３０
重量部程度配合してなるものが知られており、例えば車
両の等速ジヨイントブーツ等の成形品の材料として用い
られている。Prior Art Conventionally, this type of chloroprene rubber composition has been prepared by using 30 parts by weight of dioctyl phthalate or dioctyl adipate as a plasticizer based on 100 parts by weight of chloroprene (CR).
It is known to contain about 1 part by weight, and is used, for example, as a material for molded products such as constant-velocity joint boots for vehicles.
発明が解決しようとする問題点
しかしながら、このような従来のゴム組成物にあっては
、低温に伴い脆化し、成形品の耐久性が問題となる場合
が、生じている。Problems to be Solved by the Invention However, such conventional rubber compositions sometimes become brittle at low temperatures, causing problems in the durability of molded products.
本発明は、このような問題点に鑑み創案されたものであ
って、とくに耐寒性に優れたゴム組成物を得んとするも
のである。The present invention was devised in view of these problems, and aims to provide a rubber composition that has particularly excellent cold resistance.
問題点を解決するための手段
そこで、本発明は、クロロプレンゴムにジブチルセバケ
ートを配合してなることを、その構成としている。Means for Solving the Problems Therefore, the present invention has a composition in which dibutyl sebacate is blended with chloroprene rubber.
実施例 以下、本発明に係るゴム組成物を詳細に説明する。Example Hereinafter, the rubber composition according to the present invention will be explained in detail.
本発明においては、クロロプレンゴムにジブチルセバケ
ートを配合したことにより、得られた組成物の耐寒性を
向上させ、その結果成型品である、等速ジヨイントブー
ツ等の成形品の耐久性を向上することができる。In the present invention, by blending dibutyl sebacate into chloroprene rubber, the cold resistance of the resulting composition is improved, and as a result, the durability of molded products such as constant velocity joint boots is improved. can do.
本発明においてゴム成分としては、ポリクロロプレンゴ
ム（ＯＲ）が用いられ、このゴム成分に構造式〇４Ｈ９
００Ｃ（ＣＨｔ） ａＣＯＯＣ４Ｈ＊で示されるジブチ
ルセバケートが添加される。このジブチルセバケートは
、セバシン酸とブチルアルコールとを硫酸触媒の存在下
で加熱してエステル化して製造される無色透明の油状液
体である。In the present invention, polychloroprene rubber (OR) is used as the rubber component, and this rubber component has the structural formula 〇4H9
00C(CHt) aCOOC4H* dibutyl sebacate is added. This dibutyl sebacate is a colorless and transparent oily liquid produced by heating and esterifying sebacic acid and butyl alcohol in the presence of a sulfuric acid catalyst.
本発明のゴム組成物には、上記した配合物の他に受酸剤
、ステアリン酸、滑剤、酸化防止剤１表面亀裂防止剤、
カーボンブラック、加硫剤、促進剤等を適宜配合する。In addition to the above-mentioned compounds, the rubber composition of the present invention includes an acid acceptor, stearic acid, a lubricant, an antioxidant, a surface crack inhibitor,
Carbon black, a vulcanizing agent, an accelerator, etc. are blended as appropriate.
本発明のゴム組成物は、上記成分の通常の加工装置、例
えばロール、バンバリーミキサ−、ニーダ−ミキサーな
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 conventional processing equipment such as rolls, Banbury mixers, kneader mixers, etc.
以下に本発明の実施例を挙げて説明する。Examples of the present invention will be described below.
クロロプレンゴム（ＣＲ） ・・・１００重量部受酸
剤 ・・・ ４重量部ステアリン
酸 ・・・ １重置部滑剤
・・・ ２重量部酸化防止剤
・・・ ３重量部表面亀裂防止剤 ・
・・ ２重量部ＭＡＰカーボンブラック ・・・
６５重量部ジブチルセバケート ・・・ ３０重
量部加硫剤 ・・・ ５重量部促
進剤 ・・・ １．５重量部これに
対して、比較例１は上記ジブチルセバケートに代えてジ
オクチルフタレートを３０重量部配合したものであり、
比較例２は上記実施例のジブチルセバケートに代えてジ
オクチルアジペートを３０重量部配合した組成である。Chloroprene rubber (CR) ... 100 parts by weight Acid acceptor ... 4 parts by weight Stearic acid ... 1 part by weight Lubricant
... 2 parts by weight antioxidant
... 3 parts by weight surface crack prevention agent ・
・・ 2 parts by weight MAP carbon black ・・
65 parts by weight Dibutyl sebacate... 30 parts by weight Vulcanizing agent... 5 parts by weight Accelerator... 1.5 parts by weight On the other hand, in Comparative Example 1, dioctyl phthalate was used in place of the dibutyl sebacate. It contains 30 parts by weight,
Comparative Example 2 has a composition in which 30 parts by weight of dioctyl adipate is added in place of dibutyl sebacate in the above example.
このようにして得られたゴム組成物の特性はＪＩｓ
Ｋ２ＳＯ３に準じて測定された。The properties of the rubber composition thus obtained are JIs
Measured according to K2SO3.
（１）衝撃脆化試験 （２）ゲーマン捩り試験 次に、各試験結果を下表に示す。(1) Impact embrittlement test (2) Gehman torsion test Next, the results of each test are shown in the table below.
上記表が示すように、本実施例は、比較例１，２に比べ
て、低温衝撃脆化温度が６℃〜９℃も低くなり、耐寒性
が向上されている。また、ゲーマン捩り試験においても
、比較例１．２より低い温度値が得られ、同様の効果が
得られることが確認された。As shown in the table above, the low-temperature impact embrittlement temperature of this example is 6 to 9 degrees Celsius lower than that of Comparative Examples 1 and 2, and the cold resistance is improved. Furthermore, in the Gehman torsion test, a lower temperature value was obtained than in Comparative Example 1.2, confirming that similar effects could be obtained.
本発明は、上記実施例の組成以外にも各種の成分変更が
可能であり、ブチルセバケートの配合割合も適宜変更可
能である。In the present invention, various component changes other than those in the above-mentioned embodiments can be made, and the blending ratio of butyl sebacate can also be changed as appropriate.
発明の効果
以上の説明から明らかなように、本発明に係るゴム組成
物にあっては、クロロブレンゴムにジブチルセバケート
を配合したことにより、充分な耐寒性を得ることが出来
る効果がある。そのため、このゴム組成物を車両などの
ゴム成型品に適用すれば耐久性の高い製品の提供を可能
とする効果がある。Effects of the Invention As is clear from the above explanation, the rubber composition according to the present invention has the effect of being able to obtain sufficient cold resistance by blending dibutyl sebacate with chloroprene rubber. Therefore, if this rubber composition is applied to rubber molded products such as vehicles, it is possible to provide highly durable products.
Claims (1)
ことを特徴とするゴム組成物。A rubber composition characterized by blending dibutyl sebacate with chloroprene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9008587A JPS63256637A (en) | 1987-04-13 | 1987-04-13 | Rubber composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9008587A JPS63256637A (en) | 1987-04-13 | 1987-04-13 | Rubber composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63256637A true JPS63256637A (en) | 1988-10-24 |
Family
ID=13988684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9008587A Pending JPS63256637A (en) | 1987-04-13 | 1987-04-13 | Rubber composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63256637A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7136806B2 (en) | 2001-09-19 | 2006-11-14 | International Business Machines Corporation | Sentence segmentation method and sentence segmentation apparatus, machine translation system, and program product using sentence segmentation method |
| CN103415567A (en) * | 2011-03-11 | 2013-11-27 | 电气化学工业株式会社 | Chloroprene rubber composition and vulcanized rubber thereof, and rubber molded product, vibration-damping rubber member, engine mount, and hose using vulcanized rubber |
| CN113150578A (en) * | 2021-04-23 | 2021-07-23 | 双星集团有限责任公司 | Novel modified pyrolysis carbon black and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5757773A (en) * | 1980-09-26 | 1982-04-07 | Bridgestone Corp | Composite sealing material |
| JPS60212438A (en) * | 1984-04-05 | 1985-10-24 | Bridgestone Corp | Transporting belt material |
-
1987
- 1987-04-13 JP JP9008587A patent/JPS63256637A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5757773A (en) * | 1980-09-26 | 1982-04-07 | Bridgestone Corp | Composite sealing material |
| JPS60212438A (en) * | 1984-04-05 | 1985-10-24 | Bridgestone Corp | Transporting belt material |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7136806B2 (en) | 2001-09-19 | 2006-11-14 | International Business Machines Corporation | Sentence segmentation method and sentence segmentation apparatus, machine translation system, and program product using sentence segmentation method |
| CN103415567A (en) * | 2011-03-11 | 2013-11-27 | 电气化学工业株式会社 | Chloroprene rubber composition and vulcanized rubber thereof, and rubber molded product, vibration-damping rubber member, engine mount, and hose using vulcanized rubber |
| EP2684913A4 (en) * | 2011-03-11 | 2014-09-03 | Denki Kagaku Kogyo Kk | Chloroprene rubber composition and vulcanized rubber thereof, and rubber molded product, vibration-damping rubber member, engine mount, and hose using vulcanized rubber |
| TWI550004B (en) * | 2011-03-11 | 2016-09-21 | 電化股份有限公司 | Chloroprene rubber composition having a property of vibration prevention in a cryogenic environment, vulcanized rubber thereof, and rubber molded article, anti-vibration rubber member, engine mount and hose using the vulcanized rubber |
| US9574062B2 (en) | 2011-03-11 | 2017-02-21 | Denka Company Limited | Chloroprene rubber composition and vulcanized rubber thereof, and rubber molded product, vibration-damping rubber member, engine mount, and hose using vulcanized rubber |
| CN113150578A (en) * | 2021-04-23 | 2021-07-23 | 双星集团有限责任公司 | Novel modified pyrolysis carbon black and preparation method thereof |
| CN113150578B (en) * | 2021-04-23 | 2022-04-15 | 双星集团有限责任公司 | Novel modified pyrolysis carbon black and preparation method thereof |
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