JPH06184525A - Composition for friction material - Google Patents
Composition for friction materialInfo
- Publication number
- JPH06184525A JPH06184525A JP34209392A JP34209392A JPH06184525A JP H06184525 A JPH06184525 A JP H06184525A JP 34209392 A JP34209392 A JP 34209392A JP 34209392 A JP34209392 A JP 34209392A JP H06184525 A JPH06184525 A JP H06184525A
- Authority
- JP
- Japan
- Prior art keywords
- fibers
- composition
- friction material
- friction
- alkylphenol
- 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
- 239000002783 friction material Substances 0.000 title claims abstract description 21
- 239000000203 mixture Substances 0.000 title claims description 21
- 239000000945 filler Substances 0.000 claims abstract description 5
- 239000003607 modifier Substances 0.000 claims abstract description 5
- 239000011347 resin Substances 0.000 claims abstract description 5
- 229920005989 resin Polymers 0.000 claims abstract description 5
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 3
- 239000002657 fibrous material Substances 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 15
- 239000002994 raw material Substances 0.000 description 12
- 239000000428 dust Substances 0.000 description 9
- 238000005204 segregation Methods 0.000 description 7
- 239000000843 powder Substances 0.000 description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000010951 brass Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000005011 phenolic resin Substances 0.000 description 3
- 244000226021 Anacardium occidentale Species 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000004760 aramid Substances 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 235000020226 cashew nut Nutrition 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000012784 inorganic fiber Substances 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002557 mineral fiber Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- JOLVYUIAMRUBRK-UHFFFAOYSA-N 11',12',14',15'-Tetradehydro(Z,Z-)-3-(8-Pentadecenyl)phenol Natural products OC1=CC=CC(CCCCCCCC=CCC=CCC=C)=C1 JOLVYUIAMRUBRK-UHFFFAOYSA-N 0.000 description 1
- YLKVIMNNMLKUGJ-UHFFFAOYSA-N 3-Delta8-pentadecenylphenol Natural products CCCCCCC=CCCCCCCCC1=CC=CC(O)=C1 YLKVIMNNMLKUGJ-UHFFFAOYSA-N 0.000 description 1
- JOLVYUIAMRUBRK-UTOQUPLUSA-N Cardanol Chemical compound OC1=CC=CC(CCCCCCC\C=C/C\C=C/CC=C)=C1 JOLVYUIAMRUBRK-UTOQUPLUSA-N 0.000 description 1
- FAYVLNWNMNHXGA-UHFFFAOYSA-N Cardanoldiene Natural products CCCC=CCC=CCCCCCCCC1=CC=CC(O)=C1 FAYVLNWNMNHXGA-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229940007424 antimony trisulfide Drugs 0.000 description 1
- NVWBARWTDVQPJD-UHFFFAOYSA-N antimony(3+);trisulfide Chemical compound [S-2].[S-2].[S-2].[Sb+3].[Sb+3] NVWBARWTDVQPJD-UHFFFAOYSA-N 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- PTFIPECGHSYQNR-UHFFFAOYSA-N cardanol Natural products CCCCCCCCCCCCCCCC1=CC=CC(O)=C1 PTFIPECGHSYQNR-UHFFFAOYSA-N 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- -1 for example Polymers 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は自動車などの制動に用い
られるディスクブレーキパッド、ブレーキライニング等
の摩擦材用組成物に係り、特に品質の安定性改善に有効
な摩擦材用組成物に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a composition for a friction material such as a disc brake pad or a brake lining used for braking an automobile or the like, and more particularly to a composition for a friction material which is effective in improving quality stability.
【０００２】[0002]
【従来の技術】ディスクブレーキパッド、ブレーキライ
ニング等の摩擦材は、スチール繊維、銅繊維、黄銅繊維
等の金属繊維、ミネラル繊維（スラグウール）、ガラス
繊維、セラミック繊維、炭素繊維等の無機質繊維、アラ
ミド繊維等の有機質繊維を１種又は２種以上を組合せた
繊維性物質を基材とし、それに黒鉛、フリクションダス
ト等の摩擦調整剤、炭酸カルシウム、硫酸バリウム等の
充てん剤、フェノール樹脂、エポキシ樹脂等の熱硬化性
樹脂、それに必要に応じゴム粉末を添加して混合し、成
形金型中で加熱加圧成形することにより得ることができ
る。Friction materials such as disc brake pads and brake linings include metal fibers such as steel fibers, copper fibers and brass fibers, mineral fibers (slag wool), inorganic fibers such as glass fibers, ceramic fibers and carbon fibers, Based on a fibrous material made of one or a combination of two or more organic fibers such as aramid fibers, a friction modifier such as graphite and friction dust, a filler such as calcium carbonate and barium sulfate, a phenol resin, an epoxy resin It can be obtained by adding a thermosetting resin such as, for example, rubber powder as necessary to the mixture, mixing them, and heating and pressing in a molding die.
【０００３】[0003]
【発明が解決しようとする課題】しかしながらこれらの
摩擦材の原料は、微粉状のものから粒状のもの、さらに
は繊維状のものと形状が多様であり、原料を混合する際
均一に混合することが困難である。特に粒状のもの又は
比重の大きい原料は、偏析し易く、均質なものが出来な
いという欠点がある。また混合及び加熱加圧成形の前工
程において粉塵が発生して作業環境に悪影響を及ぼして
いる。However, the raw materials of these friction materials have various shapes such as fine powder to granular ones, and also fibrous ones. Therefore, it is necessary to mix the raw materials uniformly. Is difficult. Particularly, a granular material or a raw material having a large specific gravity has a drawback that it is easily segregated and a homogeneous material cannot be obtained. Further, dust is generated in the pre-process of mixing and heating / pressurizing, which adversely affects the working environment.
【０００４】この原料の偏析及び粉塵発生という欠点に
対して、従来から原料混合時にアルコール、トリクレ
ン、ケトン類等を溶剤として投入することが行われてい
る。しかし、アルコール、ケトン類は、爆発、火災等の
危険性を有しており、トリクレンは人体や環境に及ぼす
影響が問題となっている。With respect to the drawbacks such as the segregation of the raw materials and the generation of dust, it has been conventionally practiced to add alcohol, trichlene, ketones or the like as a solvent when mixing the raw materials. However, alcohols and ketones have a risk of explosion, fire, etc., and trichlene has a problem in that it affects human bodies and the environment.
【０００５】本発明は作業環境を悪化させず、安定した
性能の摩擦材を得るための摩擦材用組成物を提供するも
のである。The present invention provides a friction material composition for obtaining a friction material having stable performance without deteriorating the working environment.
【０００６】[0006]
【課題を解決するための手段】本発明は繊維性物質、摩
擦調整剤、充てん剤及び熱硬化性樹脂を含み、かつ全組
成物中に粘度が０．２〜４５Ｐａ．ｓのアルキルフェノ
ールを主成分とする粘性液体を０．２〜６重量％含有せ
しめてなる摩擦材用組成物に関する。The present invention comprises a fibrous substance, a friction modifier, a filler and a thermosetting resin, and has a viscosity of 0.2 to 45 Pa.s. The present invention relates to a friction material composition containing 0.2 to 6% by weight of a viscous liquid containing s alkylphenol as a main component.
【０００７】本発明において繊維性物質としては、銅繊
維、黄銅繊維、スチール繊維等の金属繊維、アラミド繊
維、フェノール繊維等の有機質繊維、ケイ酸カルシウム
繊維、セラミック繊維、ミネラル繊維等の無機質繊維な
どの繊維が用いられ、その他に必要に応じ炭素繊維が用
いられる。In the present invention, examples of the fibrous substance include metal fibers such as copper fibers, brass fibers and steel fibers, organic fibers such as aramid fibers and phenol fibers, calcium silicate fibers, ceramic fibers and inorganic fibers such as mineral fibers. Other fibers are used, and carbon fibers are used as needed.
【０００８】また摩擦調整剤としては、黒鉛、フリクシ
ョンダスト、三硫化アンチモン等が用いられ、充てん剤
としては、硫酸バリウム、炭酸カルシウム、炭酸マグネ
シウム等が用いられ、熱硬化性樹脂としては、フェノー
ル樹脂、エポキシ樹脂等が用いられる。Graphite, friction dust, antimony trisulfide, etc. are used as the friction modifier, barium sulfate, calcium carbonate, magnesium carbonate, etc. are used as the filler, and phenol resin is used as the thermosetting resin. , Epoxy resin, etc. are used.
【０００９】アルキルフェノールを主成分とする粘性液
体としては、カルダノールが代表される成分であり、例
えばカシュー社製のＹ２７５８、Ｎｏ．９２０等があ
る。A typical example of the viscous liquid containing alkylphenol is cardanol. For example, Y2758, No. There are 920 etc.
【００１０】アルキルフェノールを主成分とする粘性液
体の粘度は、０．２〜４５Ｐａ．ｓの範囲とされ、０．
２Ｐａ．ｓ未満であると偏析防止及び粉塵対策の効果が
なく、４５Ｐａ．ｓを越えると粘性液体の分散性が悪化
し、偏析防止効果がなくなる。The viscosity of the viscous liquid containing alkylphenol as a main component is 0.2 to 45 Pa.s. s, and 0.
2 Pa. If it is less than s, there is no effect of preventing segregation and dust, and 45 Pa.s. If it exceeds s, the dispersibility of the viscous liquid is deteriorated and the effect of preventing segregation is lost.
【００１１】またアルキルフェノールを主成分とする粘
性液体は、全組成物中に０．２〜６重量％含有せしめる
ことが必要とされ、０．２重量％未満であると偏析防止
効果がなく、６重量％を越えると摩擦性能が低下すると
いう欠点が生じる。The viscous liquid containing alkylphenol as the main component must be contained in the entire composition in an amount of 0.2 to 6% by weight. If the content exceeds 100% by weight, there is a drawback that the friction performance is deteriorated.
【００１２】本発明の摩擦材用組成物は、上記成分の他
に必要に応じアクリロニトリルブタジエンゴム（ＮＢ
Ｒ）粉末、スチレンブタジエンゴム（ＳＢＲ）粉末等の
ゴム粉末、銅、亜鉛、黄銅等の金属粉が添加される。The composition for a friction material of the present invention comprises, in addition to the above components, an acrylonitrile butadiene rubber (NB
R) powder, rubber powder such as styrene-butadiene rubber (SBR) powder, and metal powder such as copper, zinc and brass are added.
【００１３】[0013]
【実施例】以下本発明の実施例を説明する。 実施例１ 表１に示す成分を配合し、混合機で５分間混合した後、
該混合物に粘度が０．４４Ｐａ・ｓのアルキルフェノー
ルを主成分とする粘性液体（カシュー社製、Ｙ２７５
８）を２．０重量％添加し、さらに５分間混合して摩擦
材用組成物を得た。EXAMPLES Examples of the present invention will be described below. Example 1 The ingredients shown in Table 1 were mixed and mixed in a mixer for 5 minutes,
A viscous liquid containing an alkylphenol having a viscosity of 0.44 Pa · s as a main component was added to the mixture (Y275 manufactured by Cashew Co., Ltd.).
2.0% by weight of 8) was added and mixed for 5 minutes to obtain a composition for friction material.
【００１４】[0014]
【表１】 実施例２ 表２に示す成分を配合し、混合機で５分間混合した後、
該混合物に粘度が４０Ｐａ・ｓのアルキルフェノールを
主成分とする粘性液体（カシュー社製，Ｎｏ．９２０）
を５．０重量％添加し、さらに５分間混合して摩擦材用
組成物を得た。なお表２に示す原料は実施例１と同じも
のを使用した。[Table 1] Example 2 The ingredients shown in Table 2 were blended and mixed for 5 minutes with a mixer,
A viscous liquid whose main component is an alkylphenol having a viscosity of 40 Pa · s (No. 920, manufactured by Cashew Co., Ltd.).
5.0 wt% was added and mixed for 5 minutes to obtain a composition for friction material. The raw materials shown in Table 2 were the same as those used in Example 1.
【００１５】[0015]
【表２】 [Table 2]
【００１６】実施例３ 実施例１で用いたアルキルフェノールを主成分とする粘
性液体（カシュー社製、Ｙ２７５８）と実施例２で用い
たアルキルフェノールを主成分とする粘性液体（カシュ
ー社製、Ｎｏ．９２０）を１：１の割合で混合したもの
を５．０重量％使用した以外は、実施例２と同配合で、
かつ実施例２と同様の工程を経て摩擦材用組成物を得
た。なお各原料は、実施例１と同じものを使用した。Example 3 A viscous liquid containing alkylphenol as a main component used in Example 1 (Y2758 manufactured by Cashew) and a viscous liquid containing alkylphenol as a main component used in Example 2 (No. 920 manufactured by Cashew). ) Was mixed in a ratio of 1: 1 and the same composition as in Example 2 was used except that 5.0% by weight was used.
And the composition for friction materials was obtained through the process similar to Example 2. The same raw materials as in Example 1 were used.
【００１７】比較例１ アルキルフェノールを主成分とする粘性液体を用いず、
フェノール樹脂を２０．０重量％配合した以外は、実施
例１と同配合で、かつ混合時間を連続で１０分間行った
以外は実施例１と同様の工程を経て摩擦材用組成物を得
た。なお各原料は、実施例１と同じものを使用した。Comparative Example 1 Without using a viscous liquid containing alkylphenol as a main component,
A friction material composition was obtained through the same steps as in Example 1 except that the phenol resin was blended in an amount of 20.0% by weight, which was the same as in Example 1 and the mixing time was continuously 10 minutes. . The same raw materials as in Example 1 were used.
【００１８】次に各実施例及び比較例１で得られた摩擦
材用組成物をビニール袋に入れ、５回強く振盪し、その
直後の各原料の粉塵発生状況及び偏析状態を目視により
観察した。その結果を表３に示す。Next, the compositions for friction materials obtained in Examples and Comparative Example 1 were put into a vinyl bag and shaken vigorously 5 times, and immediately after that, the dust generation state and segregation state of each raw material were visually observed. . The results are shown in Table 3.
【００１９】[0019]
【表３】 〇印…発生なし、×印…発生有り[Table 3] ○: No occurrence, ×: Occurrence
【００２０】表３から明らかなように本発明になる摩擦
材用組成物は、粉塵及び原料の偏析が発生しないことが
わかる。これに対し従来（比較例１）の摩擦材用組成物
は、粉塵及び原料の偏析が発生し、作業環境に悪影響を
及ぼすことがわかる。As is clear from Table 3, the friction material composition according to the present invention does not cause dust and segregation of raw materials. On the other hand, it can be seen that the conventional friction material composition (Comparative Example 1) causes segregation of dust and raw materials, which adversely affects the working environment.
【００２１】[0021]
【発明の効果】本発明になる摩擦材用組成物は、粉塵の
発生及び原料の偏析を防止することができるため、作業
環境を改善することができると共に安定した性能の摩擦
材を得ることができ、工業的に極めて好適な摩擦材用組
成物である。EFFECTS OF THE INVENTION The friction material composition according to the present invention can prevent the generation of dust and the segregation of raw materials. Therefore, the working environment can be improved and a friction material having stable performance can be obtained. It is a composition for a friction material that can be produced and is industrially extremely suitable.
Claims (1)
熱硬化性樹脂を含み、かつ全組成物中に粘度が０．２〜
４５Ｐａ．ｓのアルキルフェノールを主成分とする粘性
液体を０．２〜６重量％含有せしめてなる摩擦材用組成
物。1. A fibrous substance, a friction modifier, a filler, and a thermosetting resin, and the total composition has a viscosity of 0.2 to 10.
45 Pa. A composition for a friction material, containing 0.2 to 6% by weight of a viscous liquid containing s of alkylphenol as a main component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34209392A JPH06184525A (en) | 1992-12-22 | 1992-12-22 | Composition for friction material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34209392A JPH06184525A (en) | 1992-12-22 | 1992-12-22 | Composition for friction material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06184525A true JPH06184525A (en) | 1994-07-05 |
Family
ID=18351106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34209392A Pending JPH06184525A (en) | 1992-12-22 | 1992-12-22 | Composition for friction material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06184525A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009227706A (en) * | 2008-03-19 | 2009-10-08 | Nippon Brake Kogyo Kk | Friction material composition and friction material using it |
| JP2011063819A (en) * | 2010-12-28 | 2011-03-31 | Nippon Brake Kogyo Kk | Friction material composition and friction material using the same |
-
1992
- 1992-12-22 JP JP34209392A patent/JPH06184525A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009227706A (en) * | 2008-03-19 | 2009-10-08 | Nippon Brake Kogyo Kk | Friction material composition and friction material using it |
| JP2011063819A (en) * | 2010-12-28 | 2011-03-31 | Nippon Brake Kogyo Kk | Friction material composition and friction material using the same |
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