JPS62106981A - Non-asbestos friction material - Google Patents
Non-asbestos friction materialInfo
- Publication number
- JPS62106981A JPS62106981A JP24755685A JP24755685A JPS62106981A JP S62106981 A JPS62106981 A JP S62106981A JP 24755685 A JP24755685 A JP 24755685A JP 24755685 A JP24755685 A JP 24755685A JP S62106981 A JPS62106981 A JP S62106981A
- Authority
- JP
- Japan
- Prior art keywords
- friction material
- filler particles
- elastomer
- asbestos friction
- asbestos
- 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
- 239000010425 asbestos Substances 0.000 title claims abstract description 17
- 229910052895 riebeckite Inorganic materials 0.000 title claims abstract description 17
- 239000002783 friction material Substances 0.000 title claims abstract description 15
- 229920001971 elastomer Polymers 0.000 claims abstract description 19
- 239000002245 particle Substances 0.000 claims abstract description 19
- 239000000806 elastomer Substances 0.000 claims abstract description 10
- 239000012766 organic filler Substances 0.000 claims description 11
- 239000011256 inorganic filler Substances 0.000 claims description 9
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 9
- 239000000945 filler Substances 0.000 abstract description 10
- 239000005060 rubber Substances 0.000 abstract description 9
- 239000000428 dust Substances 0.000 abstract description 8
- 244000226021 Anacardium occidentale Species 0.000 abstract description 6
- 235000020226 cashew nut Nutrition 0.000 abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 5
- 239000010439 graphite Substances 0.000 abstract description 5
- 229910002804 graphite Inorganic materials 0.000 abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000377 silicon dioxide Substances 0.000 abstract description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 abstract 2
- 239000011230 binding agent 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
- 238000000465 moulding Methods 0.000 abstract 1
- 150000002825 nitriles Chemical class 0.000 abstract 1
- 239000000463 material Substances 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 229920003048 styrene butadiene rubber Polymers 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000002174 Styrene-butadiene Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- -1 accelerators Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はノンアスベスト摩擦材における配合物粒子成分
をエラストマーで処理することにより、該配合物粒子成
分の分散性を向上しかつダンピング特性を付与したノン
アスベスト摩擦材に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention improves the dispersibility of the compound particle component in a non-asbestos friction material by treating the compound particle component with an elastomer and imparts damping properties. This relates to non-asbestos friction materials.
（従来の技術おＪ：び発明が解決すべき問題点〕ノンア
スベスト系摩擦材料はアスベスト系摩擦材に比べ配合物
の分散性が悪く、特に粒度の大きい有機フィラー粒子や
無機フィラー粒子ではその傾向が大きい。(Conventional technology and problems to be solved by the invention) Non-asbestos friction materials have poor compound dispersibility compared to asbestos friction materials, especially large organic filler particles and inorganic filler particles. is large.
即ちノンアスベスト材料はアスベスト材料に比べ繊維の
柔軟性および相互作用が少ないため、粒子の大ぎいフィ
ラーは繊維に保持されにくく分散性が悪くなる。又成形
物の柔軟性もアスベスト材に比べ小さいという欠点もあ
る。That is, since non-asbestos materials have less fiber flexibility and interaction than asbestos materials, fillers with large particles are difficult to be retained in fibers and have poor dispersibility. Another drawback is that the flexibility of the molded product is lower than that of asbestos materials.
〔問題点を解決するための手段および作用〕本発明はか
かる問題点を解消するためになされたもので、有機フィ
ラー粒子および／または無機フィラー粒子をエラストマ
ーで処理してなることを特徴とするノンアスベスト摩擦
材を要旨としたものである。[Means and effects for solving the problems] The present invention has been made to solve the problems, and is a non-woven fabric characterized by treating organic filler particles and/or inorganic filler particles with an elastomer. This article focuses on asbestos friction materials.
本発明はこれらの有機、無機のフィラー粒子をエラスト
マーで処理することにより粒子表面に粘着性及びダンピ
ング性を付与してノンアスベスト材料、特にその有機フ
ィラーおよび／または無機フィラーの特性を改良したも
のである。The present invention improves the properties of non-asbestos materials, especially the organic fillers and/or inorganic fillers, by treating these organic and inorganic filler particles with an elastomer to impart adhesiveness and damping properties to the particle surfaces. be.
そこで本発明の適用を受けたノンアスベスト材料を使用
することにより、摩擦材配合物の分″ 散性を改善し、
摩擦材成形物の柔軟性を向上し得たものである。Therefore, by using a non-asbestos material to which the present invention has been applied, the dispersibility of the friction material compound can be improved,
This improves the flexibility of the friction material molded product.
本発明に用いられるエラストマーとは、粘着性並びにコ
ストの面からＮＢＲ系ゴムにトリル・ブタジェンゴム）
、ＳＢＲ系ゴム（スチレン・ブタジェンゴム）が適当で
あり、これらは生ゴムでもよいが、耐熱性を要求される
材料にはイオウ、促進剤、補強剤、（無機）充填剤等を
配合した各種配合ゴムが適している。The elastomer used in the present invention is NBR rubber, tolyl-butadiene rubber) from the viewpoint of adhesiveness and cost.
, SBR rubber (styrene-butadiene rubber) is suitable, and raw rubber may also be used, but for materials that require heat resistance, various compounded rubbers containing sulfur, accelerators, reinforcing agents, (inorganic) fillers, etc. are suitable. is suitable.
これら各種の生ゴムまたは配合ゴムのエラストマーは５
〜３０ｗｔ％程度の溶解液として使用するのが望ましい
。これは５ｗｔ％以下では効果か少なく、３０ｗｔ％以
上では溶液粘度が高くなり作業性が悪くなるためである
。These various raw rubber or compound rubber elastomers are 5
It is desirable to use it as a solution of about 30 wt%. This is because if it is less than 5 wt%, the effect will be small, and if it is more than 30 wt%, the solution viscosity will increase and workability will deteriorate.
本発明の適用を受ける有機フィラーとしてはカシューダ
スト、フェノールダスト等が、文無）幾フィラーとして
は黒鉛、シリカ、炭酸カルシウム等が挙げられる。Examples of the organic filler to which the present invention is applied include cashew dust, phenol dust, etc., and examples of the organic filler include graphite, silica, calcium carbonate, etc.
有機フィラー粒子としてカシューダスト、無機フィラー
粒子として黒鉛を用い、カシューダス１〜のみ、カシュ
ーダストと黒鉛の双方を夫々Ｓ Ｂ Ｒ系の配合ゴム溶
液（溶液濃度２０ｗｔ％）で処理し、この処理フィラー
を用いて下記配合について常法に従いノンアスベスト摩
擦材製品（実流量１，２を成型した。又比較のため無処
理の有機、無機フィラーを用いて比較量を成型し、両者
の比較テストを行った。Using cashew dust as the organic filler particles and graphite as the inorganic filler particles, only the cashew dust 1~ and both the cashew dust and the graphite were treated with an SBR-based compounded rubber solution (solution concentration 20 wt%), and the treated filler was Non-asbestos friction material products (actual flow rates 1 and 2) were molded according to the conventional method using the following formulation.For comparison, comparative amounts were molded using untreated organic and inorganic fillers, and a comparison test was conducted between the two. .
有機フィラー ６０ｗｔ％
無機フィラー １５ｗｔ％
結合材 ２５ｗｔ％
その結果、比較量ではカシューダスト、黒鉛の分散不良
並びに分離が認められたのに対し、実流量ではこれらフ
ィラーの分散性は良好であった。Organic filler: 60 wt% Inorganic filler: 15 wt% Binding material: 25 wt% As a result, poor dispersion and separation of cashew dust and graphite were observed in the comparative amount, whereas the dispersibility of these fillers was good in the actual flow rate.
またこれら実流量１，２の成型物および比較量の成型物
について夫々ロックウェル硬度計による硬さを測定しそ
の柔軟性の比較を行い、第１図の如き結果を得た。Furthermore, the hardness of the molded products with the actual flow rates of 1 and 2 and the comparative amount of molded products was measured using a Rockwell hardness meter, and the flexibility thereof was compared, and the results shown in FIG. 1 were obtained.
以上の結果から、本発明により有機、無機フィラーに対
しエラストマー処理したものではその分散性が向上し、
成型物に柔軟性の付与されていることか判る。From the above results, the dispersibility of organic and inorganic fillers treated with elastomer according to the present invention is improved;
It can be seen that flexibility has been imparted to the molded product.
またこの分散性の向上により摩擦材製品の強度も向上し
ており、ノンアスベスト材の特性改良効果が顕著であっ
た。This improved dispersibility also improved the strength of the friction material product, and the effect of improving the properties of the non-asbestos material was significant.
第１図は比較量と本発明の実流量の硬度を比較して示し
た図表である。
ぐ、′−１・−・FIG. 1 is a chart showing a comparison of the hardness of the comparative amount and the actual flow rate of the present invention. Gu,'-1・-・
Claims (1)
子をエラストマーで処理してなることを特徴とするノン
アスベスト摩擦材。(1) A non-asbestos friction material characterized by treating organic filler particles and/or inorganic filler particles with an elastomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24755685A JPH0623391B2 (en) | 1985-11-05 | 1985-11-05 | Non-asbestos friction material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24755685A JPH0623391B2 (en) | 1985-11-05 | 1985-11-05 | Non-asbestos friction material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62106981A true JPS62106981A (en) | 1987-05-18 |
| JPH0623391B2 JPH0623391B2 (en) | 1994-03-30 |
Family
ID=17165247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24755685A Expired - Lifetime JPH0623391B2 (en) | 1985-11-05 | 1985-11-05 | Non-asbestos friction material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0623391B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07165937A (en) * | 1994-07-28 | 1995-06-27 | Honda Motor Co Ltd | Friction material |
| JP2009227706A (en) * | 2008-03-19 | 2009-10-08 | Nippon Brake Kogyo Kk | Friction material composition and friction material using it |
-
1985
- 1985-11-05 JP JP24755685A patent/JPH0623391B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07165937A (en) * | 1994-07-28 | 1995-06-27 | Honda Motor Co Ltd | Friction material |
| JP2009227706A (en) * | 2008-03-19 | 2009-10-08 | Nippon Brake Kogyo Kk | Friction material composition and friction material using it |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0623391B2 (en) | 1994-03-30 |
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