JPH0228230A - Rubber vibration insulator composition - Google Patents
Rubber vibration insulator compositionInfo
- Publication number
- JPH0228230A JPH0228230A JP17758988A JP17758988A JPH0228230A JP H0228230 A JPH0228230 A JP H0228230A JP 17758988 A JP17758988 A JP 17758988A JP 17758988 A JP17758988 A JP 17758988A JP H0228230 A JPH0228230 A JP H0228230A
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- weight
- parts
- pts
- vibration
- 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.)
- Granted
Links
- 229920001971 elastomer Polymers 0.000 title claims abstract description 22
- 239000005060 rubber Substances 0.000 title claims abstract description 22
- 239000012212 insulator Substances 0.000 title 1
- BMFMTNROJASFBW-UHFFFAOYSA-N 2-(furan-2-ylmethylsulfinyl)acetic acid Chemical compound OC(=O)CS(=O)CC1=CC=CO1 BMFMTNROJASFBW-UHFFFAOYSA-N 0.000 claims abstract description 7
- 150000001993 dienes Chemical class 0.000 claims abstract description 6
- 229920003049 isoprene rubber Polymers 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 229920003051 synthetic elastomer Polymers 0.000 claims description 5
- 239000005061 synthetic rubber Substances 0.000 claims description 5
- -1 methylene diamine compound Chemical class 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 abstract description 3
- RTWNYYOXLSILQN-UHFFFAOYSA-N methanediamine Chemical compound NCN RTWNYYOXLSILQN-UHFFFAOYSA-N 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 3
- 239000005062 Polybutadiene Substances 0.000 abstract description 2
- 229920002857 polybutadiene Polymers 0.000 abstract description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 abstract description 2
- 238000004073 vulcanization Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 235000019241 carbon black Nutrition 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 229920003244 diene elastomer Polymers 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 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
この発明は、防振ゴム組成物に関し、更に詳しくは、特
に自動車のストラットマウントやリンクブツシュ等に用
いられる動倍率の小さいゴム組成物に係るしのである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a vibration isolating rubber composition, and more particularly to a rubber composition with a small dynamic magnification used for automobile strut mounts, link bushings, etc. It is.
従来の技術
従来、この種の防振ゴム組成物としては、天然ゴムに例
えばブタジェンゴムなどのジエン系ゴムを混ぜ、更に亜
鉛！亡、ステアリン酸、カーボンブラック、加硫剤、加
硫促進剤等を配合したしのがＩｌ＋いられており、加硫
剤の添加量を増１することで高硬度化並びに低動倍率化
を図っている。Conventional technology Conventionally, this type of anti-vibration rubber composition has been made by mixing natural rubber with diene rubber such as butadiene rubber, and then adding zinc! Il+ is a product that contains stearic acid, carbon black, a vulcanizing agent, a vulcanization accelerator, etc. By increasing the amount of vulcanizing agent added, high hardness and low dynamic magnification can be achieved. I'm trying.
発明が解決しようとする課題
しかしながら、このような従来例にあっては、加硫剤の
添加量が過剰になると、ゴム物性が低下するばかりか成
形加工性も著しく悪化するという問題点を有していた。Problems to be Solved by the Invention However, in such conventional examples, there is a problem that when the amount of vulcanizing agent added is excessive, not only the physical properties of the rubber deteriorate but also the moldability deteriorates significantly. was.
本発明は、このような従来の問題点に着目して創案され
たものであって、適度な加硫速度を有し、且つ高ＩｉＪ
！度化、低動倍率化を達成する防振ゴム組成物を得んと
するものである。The present invention was devised by focusing on such conventional problems, and has an appropriate vulcanization rate and a high IiJ.
! The object of the present invention is to obtain a vibration-proof rubber composition that achieves a high dynamic magnification and a low dynamic magnification.
課題を解決するための手段
本発明は、イソプレンゴムにジエン系合成ゴムを０〜７
０重１部含む原料ゴム１００重量部に対し、メタクリル
酸亜鉛を０．５〜４重量部と、ＲＮＨ（ＣＩＩ＊）ｎＮ
ＩＩＲ，Ｒ（−Ｃ１ｌｔ−Ｃ−Ｃ１ｌ、）ＮＯ？
ｎ＝２〜１２
の示性式で示されるメチレンツアミン系化合物を０．５
〜４重量部とを配合したことを、その解決手段としてい
る。Means for Solving the Problems The present invention provides isoprene rubber with 0 to 7 diene synthetic rubber.
0.5 to 4 parts by weight of zinc methacrylate and RNH(CII*)nN to 100 parts by weight of raw rubber containing 1 part of 0 weight.
IIR,R(-C1lt-C-C1l,) NO? 0.5 methylene zamine compound represented by the formula of n=2-12
The solution is to incorporate 4 parts by weight.
実施例
以下、本発明に係る防振ゴム組成物の詳細を実施例に基
づいて説明する。EXAMPLES Hereinafter, details of the anti-vibration rubber composition according to the present invention will be explained based on examples.
本発明の防振ゴム組成物において用いられるゴム材料は
、イソプレンゴムとジエン系合成ゴムであるが、ジエン
系合成ゴムとしては、例えばブタンエンゴム、スチレン
ブタジェンゴムなどが選択される。The rubber materials used in the anti-vibration rubber composition of the present invention are isoprene rubber and diene-based synthetic rubber, and as the diene-based synthetic rubber, for example, butane rubber, styrene-butadiene rubber, etc. are selected.
また、本発明の防振ゴムは、イソプレンゴムにジエン系
合成ゴムを０〜７０重量部含む原料ゴム目００重石部に
対し、メタクリル酸亜鉛を０．５〜４重量部と、メチレ
ンジアミン系化合物を０゜５〜４重量部を配合して成る
。In addition, the anti-vibration rubber of the present invention contains 0.5 to 4 parts by weight of zinc methacrylate and 0.5 to 4 parts by weight of zinc methacrylate to 0 to 70 parts by weight of raw material rubber containing 0 to 70 parts by weight of diene-based synthetic rubber in isoprene rubber. It is made by blending 0.5 to 4 parts by weight of.
前記メチレンジアミン系化合物は、下記示性式％式％） で示される構造を有する。The methylene diamine compound has the following formula (%) It has the structure shown in .
さらに、本発明の防振ゴムには、亜鉛華、ステアリン酸
、カーボンブラック、軟化剤、加硫促進剤、加硫剤を配
合ケる。Furthermore, the anti-vibration rubber of the present invention contains zinc white, stearic acid, carbon black, a softener, a vulcanization accelerator, and a vulcanizing agent.
なお、メタクリル酸亜鉛とメチレンジアミン系化合物は
、どちらか一方を配合してしある程度の高硬度、低動倍
率（低ロスファクター）を実現できるが、併用すること
で相乗的な特性改身効果が得られる。Note that zinc methacrylate and methylene diamine compounds can achieve a certain level of high hardness and low dynamic magnification (low loss factor) by combining either one of them, but when used together, a synergistic property reforming effect can be achieved. can get.
また、一方の薬品のみを配合した場合には、加硫速度か
昔しく変化するため、メタクリル酸炬鉛とメチレンジア
ミン系化合物を併用することで姶めて十分な効果を得る
ことか出来る。Furthermore, if only one of the chemicals is mixed, the vulcanization rate will change, so by using lead methacrylate and a methylene diamine compound in combination, a more sufficient effect can be obtained.
実施例１，２．比較例１〜４
下記第１表に示すような配合比（重量部）で混練、加硫
した後、キュラスト加硫特性、振動特性。Examples 1 and 2. Comparative Examples 1 to 4 After kneading and vulcanizing at the compounding ratio (parts by weight) shown in Table 1 below, the Curast vulcanization characteristics and vibration characteristics were measured.
硬さ（ｉｔｓ−Ａ）を測定した。なお、その結果は第１
表下段に示す。（以下余白）
第１表
なお、キュラスト加硫特性は、測定温度１５０℃で、Ｊ
Ｓｆｔキュラストメータ■型を使用して測定した。Hardness (its-A) was measured. Furthermore, the result is the first
Shown at the bottom of the table. (Margins below) Table 1 In addition, Curast vulcanization characteristics are measured at a measurement temperature of 150℃, J
Measurement was performed using a Sft Curelastometer type ■.
また、振動特性は、第１図に示すように、４０ｍｍＸ４
０ｍｍＸ３０ｍｍの直方体に形成した角型防振ゴムテス
トピースＡを用い、静的バネ定数は圧縮方向２〜４ｍｍ
間で測定した。動的バネ定数は、ｌ ＯＨｚ時に３ｍｍ
圧縮±１ｍｍで測定し、１００ Ｈｚ時３ｍｍ圧縮±０
．０５ｍｍで測定した。In addition, the vibration characteristics are as shown in Figure 1, 40mm x 4
Using square anti-vibration rubber test piece A formed into a rectangular parallelepiped of 0 mm x 30 mm, the static spring constant is 2 to 4 mm in the compression direction.
Measured between. Dynamic spring constant is 3mm at l OHz
Measured with compression ±1mm, 3mm compression ±0 at 100 Hz
．． Measured at 0.05 mm.
その結果、比較例に比べ、本発明の防振ゴム組成物は、
硬さが硬く、動倍率（ａスフ１クター）は小さくなるこ
とが確認された。As a result, compared to the comparative example, the anti-vibration rubber composition of the present invention
It was confirmed that the hardness was high and the dynamic magnification (a ratio) was small.
さらに、下記の第２表は、
第２図に示すような
自動車用アッパーリンクブツシュＢを用いて、軸方向特
性と捩りヒステリシス
（Ｋｇ
・ｍ）を測定
した結果を示している。Furthermore, Table 2 below shows the results of measuring the axial characteristics and torsional hysteresis (Kg·m) using the automotive upper link bush B shown in FIG.
第２表
この結果、
本発明の実施例にあっては、
静的バ
ネ定数、
ＯＨｚ動的バネ定数、
００Ｈｚ動的
バネ定数、ｌ０１１ｚロスフアクター、捩りヒステリシ
スがともに低いことが確認された。Table 2 As a result, it was confirmed that the examples of the present invention had low static spring constant, OHz dynamic spring constant, 00Hz dynamic spring constant, l011z loss factor, and torsional hysteresis.
発明の効果
以上の説明から明らかなように、本発明に係る防振ゴム
組成物にあっては、従来材料設計が困難であった高硬度
且つ低動倍率（低ロスファクター）な材料の作成を可能
にする効果がある。このため、防振機能を必要とする機
械、装置、特に自動車に用いられるストラットマウント
、リンクブツシュ等を本組成物で作成すれば、性能を向
上させる効果がある。Effects of the Invention As is clear from the above explanation, the anti-vibration rubber composition according to the present invention enables the creation of a material with high hardness and low dynamic magnification (low loss factor), which has been difficult to design in the past. It has the effect of making it possible. Therefore, if machines and devices that require a vibration-proofing function, particularly strut mounts, link bushes, etc. used in automobiles, are made from this composition, the performance will be improved.
第１図は角型防振テストピースを示す斜視図、第２図は
アッパーリンクブツシュの断面図である。FIG. 1 is a perspective view of a rectangular anti-vibration test piece, and FIG. 2 is a sectional view of an upper link bushing.
Claims (1)
量部含む原料ゴム１００重量部に対し、メタクリル酸亜
鉛を０．５〜４重量部と、 ＲＮＨ（ＣＨ＿２）＿ｎＮＨＲ、▲数式、化学式、表等
があります▼ ｎ＝２〜１２ の示性式で示されるメチレンジアミン系化合物を０．５
〜４重量部とを配合したことを特徴とする防振ゴム組成
物。(1) 0.5 to 4 parts by weight of zinc methacrylate to 100 parts by weight of raw material rubber containing 0 to 70 parts by weight of diene-based synthetic rubber in isoprene rubber, RNH(CH_2)_nNHR, ▲Mathematical formula, chemical formula, table etc. ▼ 0.5 methylene diamine compound represented by the specific formula n = 2 to 12
4 parts by weight of a vibration-proof rubber composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17758988A JPH062844B2 (en) | 1988-07-16 | 1988-07-16 | Anti-vibration rubber composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17758988A JPH062844B2 (en) | 1988-07-16 | 1988-07-16 | Anti-vibration rubber composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0228230A true JPH0228230A (en) | 1990-01-30 |
| JPH062844B2 JPH062844B2 (en) | 1994-01-12 |
Family
ID=16033633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17758988A Expired - Fee Related JPH062844B2 (en) | 1988-07-16 | 1988-07-16 | Anti-vibration rubber composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH062844B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011174034A (en) * | 2010-01-29 | 2011-09-08 | Tokai Rubber Ind Ltd | Vibration-proof rubber composition |
| WO2013114869A1 (en) | 2012-01-30 | 2013-08-08 | 株式会社ブリヂストン | Vibration-damping rubber composition, crosslinked vibration-damping rubber composition, and vibration-damping rubber |
-
1988
- 1988-07-16 JP JP17758988A patent/JPH062844B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011174034A (en) * | 2010-01-29 | 2011-09-08 | Tokai Rubber Ind Ltd | Vibration-proof rubber composition |
| WO2013114869A1 (en) | 2012-01-30 | 2013-08-08 | 株式会社ブリヂストン | Vibration-damping rubber composition, crosslinked vibration-damping rubber composition, and vibration-damping rubber |
| US9567448B2 (en) | 2012-01-30 | 2017-02-14 | Bridgestone Corporation | Vibration-damping rubber composition, crosslinked vibration-damping rubber composition, and vibration-damping rubber |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH062844B2 (en) | 1994-01-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |