JPH0425669A - Polymeric composite material - Google Patents
Polymeric composite materialInfo
- Publication number
- JPH0425669A JPH0425669A JP2127387A JP12738790A JPH0425669A JP H0425669 A JPH0425669 A JP H0425669A JP 2127387 A JP2127387 A JP 2127387A JP 12738790 A JP12738790 A JP 12738790A JP H0425669 A JPH0425669 A JP H0425669A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- composite material
- activated
- thermosetting resin
- ptfe
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 25
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 17
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 17
- 229920005989 resin Polymers 0.000 claims abstract description 13
- 239000011347 resin Substances 0.000 claims abstract description 13
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 9
- 229920000642 polymer Polymers 0.000 claims description 9
- 230000000704 physical effect Effects 0.000 abstract description 6
- 125000001153 fluoro group Chemical group F* 0.000 abstract description 3
- 125000000524 functional group Chemical group 0.000 abstract description 3
- 239000004642 Polyimide Substances 0.000 abstract description 2
- 239000005011 phenolic resin Substances 0.000 abstract description 2
- 229920001721 polyimide Polymers 0.000 abstract description 2
- 239000004814 polyurethane Substances 0.000 abstract description 2
- 229920002635 polyurethane Polymers 0.000 abstract description 2
- 229920006305 unsaturated polyester Polymers 0.000 abstract description 2
- 230000004913 activation Effects 0.000 abstract 1
- 238000012412 chemical coupling Methods 0.000 abstract 1
- 229910052731 fluorine Inorganic materials 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229920006303 teflon fiber Polymers 0.000 description 2
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- IDLFZVILOHSSID-OVLDLUHVSA-N corticotropin Chemical compound C([C@@H](C(=O)N[C@@H](CO)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1NC=NC=1)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC=1C2=CC=CC=C2NC=1)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](C(C)C)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC=1C=CC(O)=CC=1)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CC(N)=O)C(=O)NCC(=O)N[C@@H](C)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(=O)N[C@@H](C)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](C)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(O)=O)NC(=O)[C@@H](N)CO)C1=CC=C(O)C=C1 IDLFZVILOHSSID-OVLDLUHVSA-N 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Gasket Seals (AREA)
- Sealing Devices (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、例えば、バッキングやベアリング等の摺動
部材として用いられるような高分子複合材料に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a polymer composite material used, for example, as a sliding member such as a backing or a bearing.
（従来の技術）
従来、上述例のバッキング、ベアリング等の摺動部材と
して用いられる高分子複合材料としては、高分子材料に
対して、表面の摩擦係数を低減して、摺動特性の向上を
図る目的で、テフロン繊維［Ｔｅｆｌｏｎ ｙｅａｒ
ｎｌ （ＣＦ２−ＣＦ２）ｎ。(Prior art) Conventionally, polymer composite materials used as sliding members such as backings and bearings as described above have been designed to improve sliding characteristics by reducing the coefficient of friction on the surface of the polymer material. For the purpose of
nl (CF2-CF2)n.
アメリカのデュポン社製で、ポリ四フッ化エチレン系合
成樹脂繊維の商品名］を充填する手段がある。There is a method for filling with polytetrafluoroethylene synthetic resin fiber manufactured by DuPont in the United States.
しかし、上述のテフロン繊維は他の材料と親和性が悪く
、化学的に安定であるため、マトリックスとなる高分子
材料とテフロンの間には化学的な結合が生成されず、高
分子材料にこのテフロン繊維を充填することにより、材
料の引張り強度、耐摩耗性などの物理的性質が大幅に低
下し、摺動部材としての使用が困難となる問題点があっ
た。However, the above-mentioned Teflon fiber has poor affinity with other materials and is chemically stable, so no chemical bond is formed between the matrix polymer material and Teflon. When filled with Teflon fibers, physical properties such as tensile strength and abrasion resistance of the material are significantly reduced, making it difficult to use as a sliding member.
（発明の目的）
この発明は、複合材料の物理的性質を大きく低下させる
ことなく、摩擦係数の大幅な低減を図ることができて、
摺動特性を著しく向上させることができる高分子複合材
料の提供を目的とする。(Objective of the Invention) The present invention is capable of significantly reducing the coefficient of friction without significantly reducing the physical properties of a composite material.
The purpose of the present invention is to provide a polymer composite material that can significantly improve sliding properties.
（発明の構成）
この発明は、繊維表面が活性化処理されたＰＴＦＥ短繊
維を、熱硬化性ポリウレタン、フェノール樹脂、ポリイ
ミド、ポリアミドイミド、エポキシ樹脂、不飽和ポリエ
ステルなどの熱硬化性樹脂に対して０．５〜５マＯＩ％
の割合で充填した高分子複合材料であることを特徴とす
る。(Structure of the Invention) This invention uses PTFE short fibers whose fiber surfaces have been activated to be used with thermosetting resins such as thermosetting polyurethane, phenol resin, polyimide, polyamideimide, epoxy resin, and unsaturated polyester. 0.5~5ma OI%
It is characterized by being a polymer composite material filled with a proportion of .
（発明の効果）
この発明によれば、ＰＴＦＥ短繊維の繊維表面を活性化
処理することにより、繊維表面のフッ素原子が引き抜か
れて、カルボキシル基（ｃａ＋ｂｏＢＨｒｏｎｐ 、
−ＣＯＯＨ） 、水酸基（ｂｙｄ＋ｏＢｌ ｇｒｏｕ
ｐ 、 −０Ｈ） 、アルキル基（ａｌｋ７１ ｒａｄ
ＩｃｓＣａ＋Ｈ２ｆｆｉ＋ｌ、但しｍ≧１、略してＲ）
等の活性な官能基で置換される。(Effects of the Invention) According to the present invention, by activating the fiber surface of PTFE short fibers, fluorine atoms on the fiber surface are extracted and carboxyl groups (ca+boBHronp,
-COOH), hydroxyl group (byd+oBl group
p, -0H), alkyl group (alk71 rad
IcsCa+H2ffi+l, where m≧1, abbreviated as R)
Substituted with active functional groups such as
そして、この繊維表面が活性化処理されたＰＴＦＥ短繊
維を上述の熱硬化性樹脂に充填するとでマトリックス樹
脂との間に一部化学的な結合ができる。Then, by filling the above-mentioned thermosetting resin with the PTFE short fibers whose fiber surfaces have been activated, a partial chemical bond is formed with the matrix resin.
この結果、複合材料の物理的性質を大きく低下させるこ
となく、摩擦係数の大幅な低減を図ることができて、摺
動特性を著しく向上させることができる効果がある。As a result, the coefficient of friction can be significantly reduced without significantly deteriorating the physical properties of the composite material, and the sliding properties can be significantly improved.
（実施例） この発明の一実施例を以下に詳述する。(Example) An embodiment of this invention will be described in detail below.
繊維表面が活性化処理されたＰＴＦＥ短繊維としてアク
ロン（米国アクトン社のフッ素樹脂短繊維の商品名）を
用い、また熱硬化性樹脂としてＴＩ） Ｉ−ポリエステ
ル系ウレタンプレポリマーを用いる。Akron (trade name of fluororesin short fibers manufactured by Acton, Inc., USA) is used as the PTFE short fibers whose fiber surfaces have been activated, and TI) I-polyester urethane prepolymer is used as the thermosetting resin.
上述のアクロンは、ＰＴＦＥ短繊維をフロロエッチ安全
溶剤（エツチング溶剤）でエツチングして、ＰＴＦＥ短
繊維の繊維表面を活性化処理したもので、このようにＰ
ＴＦＥ短繊維を活性化処理することにより、繊維表面の
フッ素原子か引き抜かれて、カルボキシル基（−ＣＯＯ
Ｈ） 、水酸基（−ＯＨ） 、アルキル基（Ｒ）等の化
学的に活性な官能基（ｌｕｎｃ＋１ｏｎａｌ ｇｒｏｕ
ｐ、有機化合物の化学的特性を与える原子または原子団
）が生成されたものである。The above-mentioned Akron is made by etching PTFE short fibers with a fluoro-etching safety solvent (etching solvent) to activate the fiber surface of the PTFE short fibers.
By activating TFE short fibers, fluorine atoms on the fiber surface are extracted and carboxyl groups (-COO
H), hydroxyl group (-OH), alkyl group (R), etc.
p, an atom or atomic group that gives the chemical properties of an organic compound) is produced.
長さ２００〜５００８ｍ１径１０〜５０μｍのアクロン
（繊維表面が活性化処理されたＰＴＦＥ短繊維）を、Ｔ
ＤＩ−ポリエステル系ウレタンプレポリマーに対して２
，５ＶＯ１％の割合で充填して、実施例の高分子複合材
料を得た。Akron (PTFE short fibers whose fiber surface has been activated) with a length of 200 to 5008 m and a diameter of 10 to 50 μm is
2 for DI-polyester urethane prepolymer
, 5VO was filled at a ratio of 1% to obtain a polymer composite material of an example.
なお、混合に際しては、ＴＤＩ−ポリエステル系ウレタ
ンプレポリマーへの気泡の混入を避けるために、真空ポ
ンプで排気しながら混合した。In addition, during mixing, in order to avoid mixing air bubbles into the TDI-polyester-based urethane prepolymer, the mixture was mixed while being evacuated using a vacuum pump.
このようにして得られた実施例の高分子複合材料と、比
較例として他の材料を一切混合しない未充填のもの（比
較例１） 、ＰＴＦＥ再生粉を２゜５重量部充填したも
の（比較例２）、ＰＴＦＥ再生粉に表面処理が施された
ものを２．５重量部充填したもの（比較例３）とについ
て、それぞれ伸び（％）、引裂き強度（ｋｇｆ／ａｎ）
、静止摩擦係数、動摩擦係数を実測し、これらの結果を
次表に示す。The polymer composite material of the example thus obtained, as a comparative example, an unfilled material containing no other materials (Comparative Example 1), and a material filled with 2.5 parts by weight of recycled PTFE powder (comparative example). Example 2) and PTFE recycled powder filled with 2.5 parts by weight of surface-treated material (Comparative Example 3), elongation (%) and tear strength (kgf/an), respectively.
, static friction coefficient, and dynamic friction coefficient were actually measured, and the results are shown in the table below.
（以下次頁に続く）
この実施例の高分子複合材料は、上述のアクロン（繊維
表面か活性化処理されたＰＴＦＥ短繊維）をマトリック
ス樹脂としてのＴＤＩ−ポリエステル系ウレタンプレポ
リマーに充填したので、官能基かこのウレタンプレポリ
マーの感応基と反応して、マトリックス樹脂との間に次
に示すような化学的な結合ができる。(Continued on next page) The polymer composite material of this example was made by filling the TDI-polyester urethane prepolymer as a matrix resin with the above-mentioned Akron (PTFE short fibers whose fiber surfaces were activated). The functional group reacts with the sensitive group of this urethane prepolymer to form the following chemical bond with the matrix resin.
（以下次頁に続く）
ＯＨＨ
−ＣＣ−Ｃ−
Ｆ ＦＦ
このため、この実施例の高分子複合材料は上表からも明
らかなように、未充填のもの（比較例１参照）と比較し
て物理的性質を大きく低下させることなく、ＰＴＦＥ
（ポリ・テトラ・フルオロ俸エチレン、４弗化樹脂）の
特質が生かされることにより、摩擦係数の大幅な低減を
図ることができ、特に動摩擦係数は０．０６という低い
値を得ることができた。(Continued on next page) OHH -CC-C- FFF Therefore, as is clear from the table above, the polymer composite material of this example has a higher PTFE without significantly reducing its physical properties.
By taking advantage of the characteristics of (polytetrafluoroethylene, tetrafluorinated resin), we were able to significantly reduce the coefficient of friction, and in particular, we were able to obtain a low coefficient of kinetic friction of 0.06. .
Claims (1)
熱硬化性樹脂に対して０．５〜５ｖ ｏｌ％の割合で充填したことを特徴とする 高分子複合材料。(1) PTFE short fibers whose fiber surfaces have been activated,
A polymer composite material characterized by being filled with a thermosetting resin at a ratio of 0.5 to 5 vol%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2127387A JPH0721318B2 (en) | 1990-05-16 | 1990-05-16 | Polymer composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2127387A JPH0721318B2 (en) | 1990-05-16 | 1990-05-16 | Polymer composite material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0425669A true JPH0425669A (en) | 1992-01-29 |
| JPH0721318B2 JPH0721318B2 (en) | 1995-03-08 |
Family
ID=14958735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2127387A Expired - Lifetime JPH0721318B2 (en) | 1990-05-16 | 1990-05-16 | Polymer composite material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0721318B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08210510A (en) * | 1995-02-01 | 1996-08-20 | Honda Motor Co Ltd | Gasket for intake manifold |
| JP2005187617A (en) * | 2003-12-25 | 2005-07-14 | Taiho Kogyo Co Ltd | Sliding material |
| JP2009541687A (en) * | 2006-07-04 | 2009-11-26 | ゲブリューダー、ラインフルト、ゲゼルシャフト、ミット、ベシュレンクテル、ハフツング、ウント、コンパニー、コマンディートゲゼルシャフト | Roll bearing cage |
| US8962143B2 (en) | 2008-10-27 | 2015-02-24 | Taiho Kogyo Co., Ltd. | PTFE-based sliding material, bearing, and method for producing PTFE-based sliding material |
| JP2015140869A (en) * | 2014-01-29 | 2015-08-03 | ニッタ株式会社 | seal material and seal mechanism |
| WO2016009124A1 (en) | 2014-07-16 | 2016-01-21 | H.E.F. | Self-lubricating composite friction part |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5337761A (en) * | 1976-09-18 | 1978-04-07 | Hoechst Ag | Sealing material on basis of polytetrafluoroethylene fiber |
| JPS55108485A (en) * | 1979-02-14 | 1980-08-20 | Riken Corp | Sealant |
-
1990
- 1990-05-16 JP JP2127387A patent/JPH0721318B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5337761A (en) * | 1976-09-18 | 1978-04-07 | Hoechst Ag | Sealing material on basis of polytetrafluoroethylene fiber |
| JPS55108485A (en) * | 1979-02-14 | 1980-08-20 | Riken Corp | Sealant |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08210510A (en) * | 1995-02-01 | 1996-08-20 | Honda Motor Co Ltd | Gasket for intake manifold |
| JP2005187617A (en) * | 2003-12-25 | 2005-07-14 | Taiho Kogyo Co Ltd | Sliding material |
| JP4583750B2 (en) * | 2003-12-25 | 2010-11-17 | 大豊工業株式会社 | Sliding material |
| JP2009541687A (en) * | 2006-07-04 | 2009-11-26 | ゲブリューダー、ラインフルト、ゲゼルシャフト、ミット、ベシュレンクテル、ハフツング、ウント、コンパニー、コマンディートゲゼルシャフト | Roll bearing cage |
| US8962143B2 (en) | 2008-10-27 | 2015-02-24 | Taiho Kogyo Co., Ltd. | PTFE-based sliding material, bearing, and method for producing PTFE-based sliding material |
| JP2015140869A (en) * | 2014-01-29 | 2015-08-03 | ニッタ株式会社 | seal material and seal mechanism |
| WO2016009124A1 (en) | 2014-07-16 | 2016-01-21 | H.E.F. | Self-lubricating composite friction part |
| US10900522B2 (en) | 2014-07-16 | 2021-01-26 | Hydromecanique Et Frottement | Self-lubricating composite friction part |
| US11781594B2 (en) | 2014-07-16 | 2023-10-10 | Hydromecanique Et Frottement | Self-lubricating composite friction part |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0721318B2 (en) | 1995-03-08 |
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