JPS63230747A - Elastomeric composite material - Google Patents
Elastomeric composite materialInfo
- Publication number
- JPS63230747A JPS63230747A JP6594587A JP6594587A JPS63230747A JP S63230747 A JPS63230747 A JP S63230747A JP 6594587 A JP6594587 A JP 6594587A JP 6594587 A JP6594587 A JP 6594587A JP S63230747 A JPS63230747 A JP S63230747A
- Authority
- JP
- Japan
- Prior art keywords
- composite material
- alkali titanate
- elastomer
- alkali
- titanate
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 229920001971 elastomer Polymers 0.000 claims abstract description 40
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000003513 alkali Substances 0.000 claims abstract description 33
- 239000000806 elastomer Substances 0.000 claims abstract description 32
- 239000000835 fiber Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000000945 filler Substances 0.000 claims abstract description 17
- 239000011159 matrix material Substances 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 229910000000 metal hydroxide Inorganic materials 0.000 claims description 2
- 150000004692 metal hydroxides Chemical class 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 7
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 abstract description 4
- 238000004898 kneading Methods 0.000 abstract description 4
- 244000043261 Hevea brasiliensis Species 0.000 abstract description 3
- 229920003052 natural elastomer Polymers 0.000 abstract description 3
- 229920001194 natural rubber Polymers 0.000 abstract description 3
- 229910001413 alkali metal ion Inorganic materials 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- 239000012212 insulator Substances 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000006229 carbon black Substances 0.000 description 6
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011253 protective coating Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010068 moulding (rubber) Methods 0.000 description 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- -1 B: 20PHR X Substances 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229920002253 Tannate Polymers 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- LTUDISCZKZHRMJ-UHFFFAOYSA-N potassium;hydrate Chemical compound O.[K] LTUDISCZKZHRMJ-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010057 rubber processing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は防振材、ゴムベルト、保護被膜等に用いられる
材料に関する。特に、フィラー成分が混入されたエラス
トマ複合材料に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to materials used for vibration isolators, rubber belts, protective coatings, and the like. In particular, it relates to elastomeric composite materials mixed with filler components.
本発明は、エラストマ複合材料において、エラストマと
の密着性および分散性が良好なチタン酸アルカリ繊維を
フィラー成分として混入することにより、
耐薬品性、耐摩耗性および機械的強度に優れた軽量のエ
ラストマ複合材料を提供するものである。The present invention creates a lightweight elastomer with excellent chemical resistance, abrasion resistance, and mechanical strength by incorporating alkali titanate fiber, which has good adhesion and dispersibility with the elastomer, as a filler component in the elastomer composite material. It provides composite materials.
エラストマ複合材料は、交通運輸関係の分野等で用いら
れる防振材、工業関係の分野等で用いられるゴムベルト
、ｉ線やケーブルの保３！被膜等の広い分野で利用され
ている。Elastomer composite materials are used as anti-vibration materials used in transportation-related fields, rubber belts used in industrial fields, and protection for i-lines and cables. It is used in a wide range of fields such as coatings.
従来のエラストマ複合材料には、フィラー成分としてカ
ーボンブラック等の無機物、金属酸化物、ガラス繊維等
が用いられている。In conventional elastomer composite materials, inorganic substances such as carbon black, metal oxides, glass fibers, etc. are used as filler components.
しかし、上述のフィラー成分は、化学的に安定であるが
、エラストマとの密着性や耐摩耗性が十分であるとはい
えない。However, although the filler components described above are chemically stable, they cannot be said to have sufficient adhesion to the elastomer or abrasion resistance.
本発明は、エラストマとの密着性および分散性が良好な
材料がフィラーとして混入され、耐薬品性、耐摩耗性お
よび機械的強度に優れた軽量のエラストマ複合材料を提
供することを目的とする。An object of the present invention is to provide a lightweight elastomer composite material in which a material having good adhesion and dispersibility with an elastomer is mixed as a filler and has excellent chemical resistance, abrasion resistance, and mechanical strength.
本発明のエラストマ複合材料は、エラストマのマトリク
スにフィラー成分が混入されたエラストマ複合材料にお
いて、上記フィラー成分がチタン酸アルカリ材料を含む
ことを特徴とする。The elastomer composite material of the present invention is an elastomer composite material in which a filler component is mixed into an elastomer matrix, and is characterized in that the filler component contains an alkali titanate material.
チタン酸アルカリ材料としては、チタン酸アルカリ繊維
単体、表面に金属メッキが施されたチタン酸アルカリ繊
維、表面が金属水酸化物または金属酸化物で被覆された
チタン酸アルカリ繊維等を用いることが望ましい。As the alkali titanate material, it is desirable to use alkali titanate fiber alone, alkali titanate fiber whose surface is plated with metal, alkali titanate fiber whose surface is coated with metal hydroxide or metal oxide, etc. .
このエラストマ複合材料を製造するには、原料エラスト
マの混練時に、フィラー成分としてチタン酸アルカリ材
料を混入し、その後に従来のゴム成形および加工を行う
。In order to manufacture this elastomer composite material, an alkali titanate material is mixed as a filler component when the raw elastomer is kneaded, and then conventional rubber molding and processing are performed.
ここでチタン酸アルカリ繊維とは、化学式がｎＲｚＯ−
ｍＴｉＯ，・ｌＨｚ。Here, the alkali titanate fiber has a chemical formula of nRzO-
mTiO,·lHz.
で表され、子タン酸アルカリ繊維の繊維径対繊維長の比
（アスペクト比）が１：１０以上のものをいう。Ｒは少
なくとも一種類以上のアルカリ金属イオン、ｎおよびβ
は零または正の数、ｍは正の数である。ｎ、ｌおよびｍ
は整数でなくともよい。It is expressed as an alkali tannate fiber in which the ratio of fiber diameter to fiber length (aspect ratio) is 1:10 or more. R is at least one kind of alkali metal ion, n and β
is zero or a positive number, and m is a positive number. n, l and m
does not have to be an integer.
実用上は、ｎ、１およびｍの値について素材を厳密に分
離することは困難である。さらに、繊維形状以外の、す
なわち結晶または粉末のチタン酸アルカリ単体でも同様
の効果が期待される。In practice, it is difficult to strictly separate materials with respect to the values of n, 1, and m. Furthermore, similar effects are expected with alkali titanate alone in a form other than fibers, that is, in the form of crystals or powder.
チタン酸アルカリ繊維の表面を被覆する方法については
、同一出願人による特許出願、特願昭６０−８３６５６
（昭和６０年４月１９日出順）および特願昭６１−１
４７８５３ （昭和６１年６月２４日出願）に開示され
ている。Regarding the method of coating the surface of alkali titanate fibers, a patent application filed by the same applicant, Japanese Patent Application No. 83656/1983
(in order of publication on April 19, 1985) and patent application 1986-1
No. 47853 (filed June 24, 1985).
チタン酸アルカリ材料、特にチタン酸アルカリ繊維およ
び被覆チタン酸アルカリ繊維は、軽量で、耐薬品性およ
び耐摩耗性に優れ、さらにゴムとの分散性も良い。これ
は、チタン酸アルカリ繊維の表面が複雑な凹凸であり、
繊維表面の活性が高いことによると考えられる。さらに
、チタン酸アルカリ材料は比較的安価に製造できる。Alkali titanate materials, particularly alkali titanate fibers and coated alkali titanate fibers, are lightweight, have excellent chemical resistance and abrasion resistance, and also have good dispersibility with rubber. This is due to the complex irregularities on the surface of the alkali titanate fiber.
This is thought to be due to the high activity of the fiber surface. Additionally, alkaline titanate materials can be produced relatively inexpensively.
チタン酸アルカリ材料をエラストマ複合材料のフィラー
成分として使用することにより、従来のカーボンブラン
クやシリカおよびガラス繊維を用いた場合に比較し、エ
ラストマに対する分散性、密着性、機械的強度に優れ、
従来の材料に比較して少量で同様の効果が得られる。さ
らに、表面に金属メッキを施したチタン酸アルカリ繊維
を使用する場合には、複合材料に熱伝導性および電気伝
導性を付与することも可能である。また、酸化第二鉄Ｆ
ｅｚＯ３で表面が被覆されたチタン酸アルカリ繊維を使
用した場合には、エラストマ複合材料に電磁シールド効
果を付与することができる。By using an alkali titanate material as a filler component of an elastomer composite material, it has superior dispersibility, adhesion, and mechanical strength to the elastomer compared to conventional carbon blanks, silica, and glass fibers.
Similar effects can be obtained with a smaller amount than conventional materials. Furthermore, when using alkali titanate fibers whose surfaces are plated with metal, it is also possible to impart thermal conductivity and electrical conductivity to the composite material. Also, ferric oxide F
When alkali titanate fibers whose surfaces are coated with ezO3 are used, an electromagnetic shielding effect can be imparted to the elastomer composite material.
本発明のエラストマ複合材料は、防振材、ゴムベルトお
よび電線やケーブルの保護被膜だけでなく、摩擦材、シ
ールド材や、その他の広い分野で利用することができる
。The elastomer composite material of the present invention can be used not only as vibration-proofing materials, rubber belts, and protective coatings for electric wires and cables, but also as friction materials, shielding materials, and other wide-ranging applications.
以下に本発明の実施例を詳しく説明する。以下の実施例
は一例であり、本発明の範囲を限定するものではない。Examples of the present invention will be described in detail below. The following examples are merely examples and do not limit the scope of the present invention.
マトリクスとなるエラストマとして、天然ゴム（ＮＲ）
、スチレンゴム（ＳＢＲ）およびニトリルゴム（ＮＢＲ
）を用いた。これらのエラストマに、
Ａ ： ２０ＰＨＲの六チタン酸カリウム（Ｋ２Ｏ・
６ＴｉＯｚ）繊維および３０ＰＨＲのカーボンブラック
、Ｂ ： ２０ＰＨＲのＸ、相（水和物）チタン酸カ
リウム（２に、０・１）ＴｉＯ□・３Ｈ２０）繊維およ
び３０ＰＩＩＲのカーボンブラック、
Ｃ： ２０ＰＨＲの銅被覆チタン酸カリウム繊維およ
び３０Ｐ）ＩＲのカーボンブラック、
Ｄ ： ２０ＰＨＲのニッケル被覆チタン酸カリウム
繊維および３ＱＰＨＩ？のカーボンブラック、Ｅ ：
２０ＰＨＨの酸化第二鉄（Ｆｅｚ０３）被覆チタン酸
カリウム繊維および３ Ｑ Ｐ １） Ｒのカーボンブ
ラ・ンク、
Ｆ ： ２０ＰＨＲ黄銅被覆チタン酸カリウム繊維お
よび３０Ｐ）ＩＲのカーボンブラック、
Ｇ（比較例） ： ５０ｐＨＲのカーボンブランク
（チタン酸アルカリを含まず）
をそれぞれフィラー成分として混入し、さらにその他の
成分として加硫剤、促進剤等を混入し、混練によりフィ
ラー成分をエラストマによく分散させた。カーボンブラ
ンクを混入したのは、加硫を容易にするためである。ま
た、Ｃ−Ｆの被覆チタン酸カリウム繊維は、特願昭６０
−８３６５６または特願昭６１−１４７８５３に開示さ
れた方法により製造したものである。Natural rubber (NR) is used as the elastomer that forms the matrix.
, styrene rubber (SBR) and nitrile rubber (NBR
) was used. A: 20PHR potassium hexatitanate (K2O.
6TiOz) fibers and 30PHR carbon black, B: 20PHR X, phase (hydrate) potassium titanate (2 to 0.1) TiO Potassium titanate fiber and 30P) IR carbon black, D: 20PHR nickel coated potassium titanate fiber and 3QPHI? carbon black, E:
20 PHH ferric oxide (Fez03) coated potassium titanate fibers and 3 Q P 1) R carbon black, F: 20 PHR brass coated potassium titanate fibers and 30 P) IR carbon black, G (comparative example): A 50 pHR carbon blank (not containing alkali titanate) was mixed in as a filler component, and other components such as a vulcanizing agent and an accelerator were mixed in, and the filler components were well dispersed in the elastomer by kneading. The reason why carbon blank was mixed was to facilitate vulcanization. In addition, the coated potassium titanate fiber of C-F was patented in 1986.
-83656 or by the method disclosed in Japanese Patent Application No. 61-147853.
これらの試料を混練した後に、プレス加硫により厚さ３
ｍｍのゴム板に成形した。After kneading these samples, press vulcanization was performed to obtain a thickness of 3
It was molded into a rubber plate of mm.
以上の工程により得られた試料について、それぞれ引張
試験、伸び試験および耐摩耗試験を行った。A tensile test, an elongation test, and an abrasion test were conducted on the samples obtained through the above steps.
引張試験および伸び試験は、試料をダンベルマン型に打
ち抜き、ＪＩＳ−に−６３０１ｒ加硫ゴム物理試験法」
に基づいて行った。この結果を第１表に示す。The tensile test and elongation test were performed by punching out a sample into a dumbbellman shape and following the JIS-6301r vulcanized rubber physical test method.
It was done based on. The results are shown in Table 1.
耐摩耗試験は、試料を直径６３．７ｍｍに打ち抜き、ア
クロン型摩耗試験機により、角度１５度、重量６βｂで
行った。評価方法は、各エラストマにカーボンブランク
を５０ＰＨＲ混入した標本の１０００回転後の摩耗容積
を１００とし、各試料についてそれぞれ摩耗容積を求め
て比較した。この結果を第２表に示す。The abrasion resistance test was performed by punching out a sample to a diameter of 63.7 mm and using an Akron type abrasion tester at an angle of 15 degrees and a weight of 6βb. As for the evaluation method, the wear volume after 1000 revolutions of a sample in which 50 PHR of carbon blank was mixed into each elastomer was set as 100, and the wear volume was determined and compared for each sample. The results are shown in Table 2.
（以下本頁余白）
〔発明の効果〕
以上説明したように、本発明のエラストマ複合材料は、
フィラー成分としてチタン酸アルカリ材料を用いること
により、フィラー成分が均一にマトリクス内に分散し、
耐薬品性、耐摩耗性および機械的強度に優れ、軽量なエ
ラストマ複合材料が得られる効果がある。この複合材料
の製造方法としては、従来の混練およびゴム成形加工方
法を利用でき、原料および製造のコストが安価である。(Hereinafter, the margin of this page) [Effects of the invention] As explained above, the elastomer composite material of the present invention has the following properties:
By using an alkali titanate material as a filler component, the filler component is uniformly dispersed within the matrix.
It has the effect of producing a lightweight elastomer composite material that has excellent chemical resistance, abrasion resistance, and mechanical strength. As a manufacturing method for this composite material, conventional kneading and rubber molding processing methods can be used, and raw materials and manufacturing costs are low.
本発明のエラストマ複合材料は、交通運輸関係の分野等
で用いられる防振材、工業関係の分野等で用いられるゴ
ムベルト、電線やケーブルの保護被膜だけでなく、他の
工業分野でも広く利用できる効果がある。The elastomer composite material of the present invention has the effect that it can be used not only as a vibration damping material used in transportation-related fields, a rubber belt used in industrial fields, and a protective coating for electric wires and cables, but also in a wide range of other industrial fields. There is.
Claims (5)
れたエラストマ複合材料において、 上記フィラー成分がチタン酸アルカリ材料を主成分とす
る ことを特徴とするエラストマ複合材料。(1) An elastomer composite material in which a filler component is mixed into an elastomer matrix, wherein the filler component is mainly composed of an alkali titanate material.
である特許請求の範囲第（１）項に記載のエラストマ複
合材料。(2) The elastomeric composite material according to claim (1), wherein the alkali titanate material is an alkali titanate fiber.
されたチタン酸アルカリ繊維である特許請求の範囲第（
１）項に記載のエラストマ複合材料。(3) The alkali titanate material is an alkali titanate fiber whose surface is plated with metal.
The elastomer composite material described in item 1).
被覆されたチタン酸アルカリ繊維である特許請求の範囲
第（１）項に記載のエラストマ複合材料。(4) The elastomer composite material according to claim (1), wherein the alkali titanate material is an alkali titanate fiber whose surface is coated with metal hydroxide.
覆されたチタン酸アルカリ繊維である特許請求の範囲第
（１）項に記載のエラストマ複合材料。(5) The elastomer composite material according to claim (1), wherein the alkali titanate material is an alkali titanate fiber whose surface is coated with a metal oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6594587A JPS63230747A (en) | 1987-03-20 | 1987-03-20 | Elastomeric composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6594587A JPS63230747A (en) | 1987-03-20 | 1987-03-20 | Elastomeric composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63230747A true JPS63230747A (en) | 1988-09-27 |
Family
ID=13301616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6594587A Pending JPS63230747A (en) | 1987-03-20 | 1987-03-20 | Elastomeric composite material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63230747A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7598308B2 (en) | 2005-03-30 | 2009-10-06 | The Gates Corporation | Metal—elastomer compound |
-
1987
- 1987-03-20 JP JP6594587A patent/JPS63230747A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7598308B2 (en) | 2005-03-30 | 2009-10-06 | The Gates Corporation | Metal—elastomer compound |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4806586A (en) | Reinforced molding resin composition | |
| EP1871830B1 (en) | Metal-elastomer compound | |
| EP1131828B1 (en) | Composite magnetic body and electromagnetic interference suppressing body using the same | |
| JP5329921B2 (en) | Polymer composition and noise suppression sheet containing the polymer composition | |
| CN1432048A (en) | Polymer resin for ion beam or ion injection treatment to give surface conductiveness | |
| JPS63230747A (en) | Elastomeric composite material | |
| JP5254889B2 (en) | Highly conductive fluororubber composition containing carbon black | |
| EP0153091A2 (en) | Filled vinylidene fluoride polymer composition | |
| Song et al. | Study on dynamic mechanical properties of magnetorheological elastomers based on natural rubber/thermoplastic elastomer hybrid matrix | |
| JP2011126953A (en) | Soft furnace carbon black and rubber composition comprising the same | |
| CN117320871A (en) | Glass reinforced resin molded article | |
| JPS63275664A (en) | Polyphenylene sulfide resin composition | |
| CN114426710A (en) | Rubber composition based on nitrile rubber and application thereof, vulcanized rubber and preparation method and application thereof | |
| JPH08127673A (en) | Chloroprene-based rubber composition | |
| KR20040021299A (en) | EMI Shielding conductive rubber and the method for making it | |
| CN112908602B (en) | High-hardness and high-toughness rubber magnet and preparation method thereof | |
| CN104817796B (en) | A kind of method improving politef intensity and wearability | |
| CN103642222B (en) | A kind of fibre reinforced PMMA-PA66 alloy material | |
| CN107936523A (en) | A kind of chlorinated polyether heat resist modification material and preparation method thereof | |
| Song et al. | A novel approach for fabricating adjustable zero field-modulus magnetorheological elastomer based on IPN matrix | |
| CN117624809A (en) | Heat-conducting high-temperature-resistant deformation-resistant fluororubber and preparation method thereof | |
| JPS61176661A (en) | Metallic powder-containing polymer composition | |
| JPH04173236A (en) | Anisotropic conductive structural body | |
| JPH0312441A (en) | Sliding composition of fluorine-containing resin having high strength | |
| CN116903938A (en) | Wear-resistant synthetic rubber and preparation method thereof |