JPH06122824A - Abrasion-resistant resin composition - Google Patents
Abrasion-resistant resin compositionInfo
- Publication number
- JPH06122824A JPH06122824A JP27396492A JP27396492A JPH06122824A JP H06122824 A JPH06122824 A JP H06122824A JP 27396492 A JP27396492 A JP 27396492A JP 27396492 A JP27396492 A JP 27396492A JP H06122824 A JPH06122824 A JP H06122824A
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- glass
- abrasion
- resin
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Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、機械的強度，寸法精
度，耐熱性を有し、且つ優れた耐摩耗性を示す自動車分
野，精密ＯＡ分野の摺動部品等に好適なポリフェニレン
サルファイド樹脂（以下ＰＰＳと略す）組成物に関する
もので、詳しくはＰＰＳ、特定のガラス繊維、特定のガ
ラスフレークを含有してなるものである。BACKGROUND OF THE INVENTION The present invention relates to a polyphenylene sulfide resin (which has mechanical strength, dimensional accuracy, heat resistance, and excellent wear resistance and is suitable for sliding parts in the fields of automobiles and precision OA, etc.) Hereinafter, it will be abbreviated as PPS), and more specifically, it will contain PPS, specific glass fibers, and specific glass flakes.
【０００２】[0002]
【従来の技術】従来、合成樹脂製の摺動部品は、金属製
のものに比較し下記の点において優れているため、ポリ
アセタール（ＰＯＭ）、ポリアミド（ＰＡ）等の樹脂を
用い成形されている。即ち、合成樹脂製摺動部品の一般
的な利点は（ａ）騒音が少なく振動吸収性がある（ｂ）
自己潤滑性に優れており、無給油でも長時間運転できる
（ｃ）軽量化がはかれる（ｄ）射出成形による大量生産
が可能なため大幅なコストダウンがはかれる（ｅ）複雑
形状の部品が容易に製作できる（ｆ）金属材料のように
防錆処理を必要としないことが挙げられる。2. Description of the Related Art Conventionally, since sliding parts made of synthetic resin are superior to those made of metal in the following points, they are molded using resins such as polyacetal (POM) and polyamide (PA). . That is, the general advantages of the sliding parts made of synthetic resin are (a) low noise and vibration absorption (b)
It has excellent self-lubricating properties and can be operated for a long time without lubrication. (C) Light weight can be achieved (d) Mass production can be achieved by injection molding, which can significantly reduce the cost. (E) Easily complicate parts. It can be mentioned that, unlike the (f) metal material that can be manufactured, it does not require anticorrosion treatment.
【０００３】以上の利点に対して従来の合成樹脂製摺動
部品は、下記の欠点を有していた。即ち（ａ）金属摺動
部品に比較して、耐熱性がはるかに劣る（ｂ）機械的強
度が低く、大きな応力のかかる部品に不向きである
（ｃ）機械加工（切削，研削）による金属製摺動部品の
ような高精度を得ることがむずかしい（ｄ）材料によっ
ては吸湿性が大きい、耐薬品性が不十分など、周囲の環
境によってその性能が左右される。そのなかでも耐薬品
性は重要で、これが不十分の場合、グリス，潤滑油が使
用できなくなる。In contrast to the above advantages, the conventional sliding parts made of synthetic resin have the following drawbacks. That is, (a) heat resistance is far inferior to that of metal sliding parts, (b) mechanical strength is low, and it is not suitable for parts to which a large stress is applied. (C) metal made by machining (cutting, grinding) The performance is affected by the surrounding environment such as high hygroscopicity and insufficient chemical resistance depending on the material (d), which is difficult to obtain high precision such as sliding parts. Among them, chemical resistance is important, and if it is insufficient, grease and lubricating oil cannot be used.
【０００４】上記欠点を解決する手法として、プラスチ
ック製摺動部品の材料としてＰＰＳの利用が検討されて
いる。As a method for solving the above-mentioned drawbacks, the use of PPS as a material for sliding parts made of plastic has been studied.
【０００５】ＰＰＳは耐熱性，耐薬品性に優れたエンジ
ニアリングプラスチックである。しかし樹脂単独では強
度も低く、脆いため強化繊維等で補強されるのが普通で
ある。このようにして得られたＰＰＳは従来の性能に加
え、機械的強度，寸法安定性，剛性等が向上しており、
自動車分野，電気電子分野等に応用されている。しかし
ながら、それらを摺動部材として用いる場合、強化繊維
を含有するだけでは相手材の摩耗が大きくなり不適であ
る。そのため、この組成物に潤滑剤、特にポリテトラフ
ルオロエチレン（ＰＴＦＥ）を用いるものが多くみられ
る。しかし、この系ではアブレーシブ摩耗において摩耗
量を増加させ、全く潤滑剤としての効果を示さない。PPS is an engineering plastic excellent in heat resistance and chemical resistance. However, since the resin alone has low strength and is brittle, it is usually reinforced with reinforcing fibers or the like. The PPS thus obtained has improved mechanical strength, dimensional stability, rigidity, etc. in addition to conventional performance,
It is applied to the fields of automobiles, electric and electronic fields, etc. However, when they are used as a sliding member, it is unsuitable only to contain the reinforcing fibers because the mating material will be greatly worn. Therefore, many of the compositions use a lubricant, particularly polytetrafluoroethylene (PTFE). However, this system increases the amount of wear in abrasive wear and does not show any effect as a lubricant.
【０００６】従って、まだ機械強度が高く、耐ざらつき
摩耗性に優れた摺動特性耐摩耗性ＰＰＳ組成物を得るに
は至っていない。Therefore, it has not yet been possible to obtain a sliding property abrasion resistant PPS composition which has high mechanical strength and is excellent in roughness and abrasion resistance.
【０００７】[0007]
【発明が解決しようとする課題】本発明は前記のような
事情に鑑みなされたものであり、摺動部品用材料として
必要な次の要求性能 １）アブレーシブ摩耗において樹脂自身及び相手材を摩
耗させない耐摩耗性 ２）高度な機械的強度 を満たす耐摩耗性樹脂組成物を提供することを目的とす
るものである。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has the following required performance required as a material for sliding parts: 1) The resin itself and the mating material are not worn during the abrasive wear. Abrasion resistance 2) The purpose of the present invention is to provide an abrasion resistant resin composition satisfying high mechanical strength.
【０００８】[0008]
【課題を解決するための手段】即ち本発明は、ＰＰＳ樹
脂に特定のガラス繊維、特定のガラスフレークを特定量
配合することを特徴とする耐摩耗性樹脂組成物に関する
ものである。That is, the present invention relates to a wear-resistant resin composition comprising a PPS resin and a specific glass fiber and a specific glass flake in a specific amount.
【０００９】具体的には、ポリフェニレンサルファイド
樹脂１００重量部に対し、繊維径９μ以上のガラス繊維
１０〜１００重量部、フレーク径０．５ｍｍ以上のもの
が５０重量％以上、且つアスペクト比が１０〜５００で
あるガラスフレーク１〜７０重量部よりなることを特徴
とする耐摩耗性樹脂組成物に関するものである。Specifically, with respect to 100 parts by weight of polyphenylene sulfide resin, 10 to 100 parts by weight of glass fiber having a fiber diameter of 9 μ or more, 50% by weight or more of a flake diameter of 0.5 mm or more, and an aspect ratio of 10 to 10 parts by weight. The present invention relates to an abrasion-resistant resin composition comprising 1 to 70 parts by weight of glass flake of 500.
【００１０】ここで用いられるＰＰＳとはWhat is PPS used here?
【００１１】[0011]
【化１】 [Chemical 1]
【００１２】を基本骨格とする樹脂である。このＰＰＳ
は特に限定されるものではないが、溶融粘度が５００〜
２００００ｐｏｉｓｅ（３００℃、荷重１０ｋｇｆ高化
式フローテスターによる測定）のものが強度流動性のバ
ランスの点から好ましい。A resin having a basic skeleton. This PPS
Is not particularly limited, but the melt viscosity is 500 to
20,000 poise (300 ° C., load 10 kgf height measurement type flow tester) is preferable from the viewpoint of balance of strength fluidity.
【００１３】また、数平均分子量が２０００以上、且つ
重量平均分子量が１００００〜６００００程度のものが
流動性，強度のバランスの点から望ましい。Further, those having a number average molecular weight of 2000 or more and a weight average molecular weight of about 10,000 to 60,000 are desirable from the viewpoint of the balance between fluidity and strength.
【００１４】この範囲にあるものであれば、ＰＰＳは直
鎖型，架橋型いずれでも良く、その物性を損なわない程
度のグラフトタイプ、ブロックタイプ、ランダムタイプ
等の他の成分との共重合体またはエラストマー、重合体
等とのアロイも使用することができる。As long as it is within this range, PPS may be linear or cross-linked, and may be a copolymer with other components such as graft type, block type, random type, etc., which does not impair the physical properties thereof, or Alloys with elastomers, polymers and the like can also be used.
【００１５】ガラス繊維径は９μ以上でなければならな
い。特に１３μ以上２４μ以下が好適に用いられる。そ
の範囲であれば高い曲げ強度，弾性率を必要とする場合
は比較的細い径のものが望ましい。これに対し、耐摩耗
性，耐衝撃性，圧縮強度が特に重要な場合は太い径のも
のが望ましい。従って、これらのバランスを考慮して繊
維径を選択すればよい。アスペクト比は１００〜３００
０程度のものが加工性，物性のバランスがとれている。
また、これらのガラス繊維にはウレタン系，エポキシ系
のバインダー、シラン系のカップリング剤等の表面処理
剤の使用が可能である。The glass fiber diameter must be greater than 9μ. Particularly, 13 μ or more and 24 μ or less are preferably used. If the bending strength and the elastic modulus are required to be within the range, it is desirable that the diameter is relatively small. On the other hand, when wear resistance, impact resistance and compressive strength are particularly important, a thick diameter is desirable. Therefore, the fiber diameter may be selected in consideration of these balances. Aspect ratio is 100-300
A workability and physical properties of about 0 are well balanced.
Further, a surface treatment agent such as urethane-based or epoxy-based binder or silane-based coupling agent can be used for these glass fibers.
【００１６】ガラス繊維の充填量は、ＰＰＳ１００重量
部に対して１０〜１００重量部が適している。特に２０
〜５０重量部が望ましい。１０重量部未満では強度不
足，収縮率の増加をおこし、１００重量部より多ければ
耐摩耗性が低下する。この範囲で耐摩耗性が重要な場合
にはガラス繊維の量を少なくし、強度が必要な場合には
多くする等自由に配合することができる。さらに、ガラ
スフレークとの配合比を調節することにより物性を細か
くコントロールすることも可能である。A suitable amount of glass fiber is 10 to 100 parts by weight per 100 parts by weight of PPS. Especially 20
˜50 parts by weight is desirable. If it is less than 10 parts by weight, the strength is insufficient and the shrinkage rate increases, and if it is more than 100 parts by weight, the wear resistance is lowered. If the abrasion resistance is important in this range, the amount of the glass fiber can be reduced, and if the strength is required, the amount can be increased. Further, it is possible to finely control the physical properties by adjusting the compounding ratio with the glass flakes.
【００１７】本発明でいうガラスフレークは、フレーク
径が０．５ｍｍ以上のものが５０重量％以上含まれ、且
つアスペクト比が１０〜５００であるものをいう。これ
より粒径の小さなものが多いガラスフレークでは組成物
に付与される耐摩耗性の効果が乏しくなる。The glass flakes referred to in the present invention are those having a flake diameter of 0.5 mm or more in an amount of 50% by weight or more and having an aspect ratio of 10 to 500. Glass flakes with a smaller particle size than this result in a poor effect of abrasion resistance imparted to the composition.
【００１８】また、アスペクト比（フレーク径／厚）は
１０〜５００でなければならない。１０未満では成形体
表面に平行に配向できず、耐摩耗性の低下がおきる。ま
た５００より大きければ成形性が低下する。The aspect ratio (flake diameter / thickness) must be 10 to 500. If it is less than 10, it cannot be oriented parallel to the surface of the molded product, resulting in deterioration of wear resistance. If it is larger than 500, the formability is lowered.
【００１９】また、上記範囲にあるガラスフレークであ
れば、取扱い性を改良するために、そのフレーク１枚１
枚を適当な結合材を用いて層状に結合させた、いわゆる
顆粒状ガラスフレークも使用することが可能である。Further, if the glass flakes are within the above range, in order to improve the handling property, one piece of the flakes is used.
It is also possible to use so-called granular glass flakes in which the sheets are joined in layers with a suitable binder.
【００２０】このガラスフレークの充填量は、ＰＰＳ１
００重量部に対して１〜７０重量部でなければならな
い。特に５〜６０重量部が望ましい。１重量部未満では
耐摩耗性に添加効果が現れず、７０重量部を越えると強
度低下が著しい。この含有量において特定のガラスフレ
ークが成形体表面に平行に配向することにより、アブレ
ーシブ摩耗（耐摩耗性）への添加効果が著しく現れる。The filling amount of this glass flake is PPS1.
It should be 1 to 70 parts by weight with respect to 00 parts by weight. Particularly, 5 to 60 parts by weight is desirable. If it is less than 1 part by weight, the effect of addition on wear resistance does not appear, and if it exceeds 70 parts by weight, the strength is remarkably reduced. At this content, the specific glass flakes are oriented parallel to the surface of the molded product, so that the additive effect on the abrasive wear (wear resistance) becomes remarkable.
【００２１】これらの特定のガラスフレークは、樹脂と
の界面接着強度を改良するために、シランカップリング
剤もしくは非シラン系カップリング剤で処理されていて
もよい。These particular glass flakes may be treated with a silane coupling agent or a non-silane coupling agent to improve the interfacial adhesion strength with the resin.
【００２２】また、ガラスフレークの組成は特に限定さ
れるものではないが、Ｅガラスが入手し易く、物性との
バランスがよい。The composition of the glass flakes is not particularly limited, but E glass is easily available and has a good balance with physical properties.
【００２３】なお、本発明の組成物には、剛性，成形性
等を付与するために、物性を損なわない範囲で任意の充
填材を加えることができる。例えば炭素繊維、シリカ繊
維、アラミド繊維、全芳香族ポリエステル繊維、チタン
酸カリウムウィスカ、ほう酸アルミニウムウィスカ等、
また汎用の無機充填材、例えば、クレイ、シリカ、アル
ミナ、タルク、カオリン、ゼオライト、石膏、炭酸カル
シウム、硫酸カルシウム、ガラスビーズ、シリコンビー
ズ、粒状フェノールあるいはその炭化物、その他炭素粉
末、ウォラストナイト、ステアリン酸亜鉛、カルナバワ
ックス等の使用も可能である。それらは表面処理物であ
ってもかまわない。また、樹脂、ゴム、エラストマーも
任意に添加することができる。例えば、ポリエチレン、
超高分子量ポリエチレン、ポリプロピレン、またはポリ
アミド、ポリアセタール、ポリフェニレンオキサイド、
液晶ポリマー、ポリエーテルサルフォン、ポリイミド、
ポリエーテルイミド、ポリエーテルエーテルケトン、ポ
リフェニレンサルファイドケトン、ポリフェニレンサル
ファイドサルフォン、フェノール樹脂、エポキシ樹脂等
あるいはそれらの複数混合系、共重合体等が挙げられ
る。To the composition of the present invention, in order to impart rigidity, moldability and the like, any filler can be added within the range not impairing the physical properties. For example, carbon fiber, silica fiber, aramid fiber, wholly aromatic polyester fiber, potassium titanate whisker, aluminum borate whisker, etc.,
In addition, general-purpose inorganic fillers such as clay, silica, alumina, talc, kaolin, zeolite, gypsum, calcium carbonate, calcium sulfate, glass beads, silicon beads, granular phenol or its carbide, other carbon powder, wollastonite, stearin. It is also possible to use zinc acid, carnauba wax or the like. They may be surface-treated products. In addition, resins, rubbers and elastomers can be optionally added. For example, polyethylene,
Ultra high molecular weight polyethylene, polypropylene, or polyamide, polyacetal, polyphenylene oxide,
Liquid crystal polymer, polyether sulfone, polyimide,
Examples thereof include polyether imide, polyether ether ketone, polyphenylene sulfide ketone, polyphenylene sulfide sulfone, phenol resin, epoxy resin and the like, or a mixture thereof, a copolymer and the like.
【００２４】また、フッ素樹脂充填系ではオイル，グリ
ス等による潤滑はかえって摺動特性を悪化させるのに対
し、この組成物では潤滑系も極めて効果的であった。Further, in the fluororesin-filled system, lubrication with oil, grease or the like rather deteriorates the sliding characteristics, whereas in this composition, the lubrication system was also extremely effective.
【００２５】この添加物の添加方法には任意の方法がと
られる。例えば、組成物の形成前または形成中に個々の
樹脂に添加する方法、あるいは組成物の形成後にまたは
組成物を溶融する際に添加する方法等がある。Any method can be used as a method of adding the additive. For example, it may be added to each resin before or during the formation of the composition, or after the composition is formed or when the composition is melted.
【００２６】[0026]
【実施例】以下に実施例を挙げて、本発明を詳細に説明
するが、本発明はそれによりなんら拘束されるものでは
ない。EXAMPLES The present invention will be described in detail below with reference to examples, but the present invention is not limited thereto.
【００２７】実施例１ ＰＰＳ１００重量部、平均繊維径１３μのガラス繊維５
０重量部、フレーク径０．５ｍｍ以上のものを約６５重
量％含み、アスペクト比約１５０のガラスフレーク２０
重量部をタンブラーミキサーを用いて混合し、二軸押出
機を用いてペレット化した。そのサンプルを用いＡＳＴ
Ｍに準拠して曲げ試験を行い、強度，弾性率の測定を行
った。Example 1 100 parts by weight of PPS and glass fiber 5 having an average fiber diameter of 13 μ
20 parts by weight, glass flakes 20 having an aspect ratio of about 150, containing about 65% by weight of flakes having a diameter of 0.5 mm or more.
Parts by weight were mixed using a tumbler mixer and pelletized using a twin screw extruder. AST using the sample
A bending test was performed in accordance with M, and strength and elastic modulus were measured.
【００２８】さらに、直径１０２ｍｍ×厚２ｍｍの成形
体を射出成形機により成形した。その成形体を用いてＡ
ＳＴＭ Ｄ−１０４４に従い、摩耗量を測定した。摩耗
試験の条件は以下の通りである。Further, a molded body having a diameter of 102 mm and a thickness of 2 mm was molded by an injection molding machine. A using the molded body
The amount of wear was measured according to STM D-1044. The conditions of the wear test are as follows.
【００２９】 摩耗輪 ：Ｈ−２２ 試験荷重：１ｋｇｆ 試験速度：６０回転／分 比較例１ ガラス繊維の平均繊維経を６μのものに換えた以外はＰ
ＰＳ樹脂、ガラス繊維及びガラスフレ−クを実施例１と
同様に配合，成形し、評価を行った。Wear wheel: H-22 Test load: 1 kgf Test speed: 60 revolutions / minute Comparative Example 1 P except that the average fiber diameter of the glass fibers was changed to 6 μm.
PS resin, glass fiber and glass flakes were compounded and molded in the same manner as in Example 1 and evaluated.
【００３０】比較例２ 実施例１のガラスフレークをフレーク径０．０９ｍｍを
越えるものを含まず、アスペクト比５のものに置き換え
た以外は実施例１と同様に配合，成形し、評価を行っ
た。Comparative Example 2 The glass flakes of Example 1 were compounded, molded and evaluated in the same manner as in Example 1 except that the glass flakes having a flake diameter of 0.09 mm were not included and the aspect ratio was changed to 5. .
【００３１】比較例３ ＰＰＳ樹脂１００重量部、ガラス繊維６７重量部を実施
例１と同様に配合，成形し、評価を行った。Comparative Example 3 100 parts by weight of PPS resin and 67 parts by weight of glass fiber were blended and molded in the same manner as in Example 1 and evaluated.
【００３２】実施例２ 実施例１のガラスフレーク含量を５０重量部に置き換え
た以外は実施例１と同様に配合，成形し、評価を行っ
た。Example 2 Compounding, molding and evaluation were carried out in the same manner as in Example 1 except that the glass flake content in Example 1 was replaced by 50 parts by weight.
【００３３】実施例３ 実施例１のガラスフレークを層状に結合し、その平均粒
径を約１ｍｍとしたものに置き換えた以外は実施例１と
同様に配合，成形し、評価を行った。Example 3 Compounding, molding and evaluation were carried out in the same manner as in Example 1 except that the glass flakes of Example 1 were combined in layers and replaced with glass flakes having an average particle size of about 1 mm.
【００３４】比較例４ 実施例１のガラスフレーク含量を１００重量部に置き換
えた以外は実施例１と同様に配合，成形し、評価を行っ
た。Comparative Example 4 Compounding, molding and evaluation were carried out in the same manner as in Example 1 except that the glass flake content in Example 1 was replaced with 100 parts by weight.
【００３５】比較例５ 実施例１のガラスフレーク２０重量部をＰＴＦＥ１０重
量部に置き換えた以外は実施例１と同様に配合，成形
し、評価を行った。Comparative Example 5 Compounding, molding and evaluation were carried out in the same manner as in Example 1 except that 20 parts by weight of the glass flakes of Example 1 were replaced with 10 parts by weight of PTFE.
【００３６】[0036]
【表１】 [Table 1]
【００３７】[0037]
【発明の効果】本発明により得られた樹脂組成物は、高
価な潤滑剤等を添加することなしに、ＰＰＳ本来の高度
な強度，弾性率に加え、本組成でのみ得られる優れた耐
摩耗性を同時に提供できるものである。INDUSTRIAL APPLICABILITY The resin composition obtained according to the present invention has a high level of strength and elastic modulus inherent to PPS without adding an expensive lubricant, and has an excellent wear resistance obtained only by this composition. It is possible to provide sex at the same time.
【００３８】このため、粉塵雰囲気下での耐摩耗性は従
来のＰＰＳ組成物に比べ向上している。よって、自動車
関連の軸受け，ギアや屋外の摺動部材などへの広範囲な
応用が可能である。Therefore, the wear resistance in the dust atmosphere is improved as compared with the conventional PPS composition. Therefore, it can be applied to a wide range of applications such as automotive bearings, gears and outdoor sliding members.
Claims (1)
量部に対し、平均繊維径９μ以上のガラス繊維１０〜１
００重量部、フレーク径０．５ｍｍ以上のものが５０重
量％以上含まれ、且つアスペクト比が１０〜５００であ
るガラスフレーク１〜７０重量部よりなることを特徴と
する耐摩耗性樹脂組成物。1. A glass fiber having an average fiber diameter of 9 μm or more and 10 to 1 with respect to 100 parts by weight of a polyphenylene sulfide resin.
A wear-resistant resin composition, comprising 100 parts by weight of glass flakes having a flake diameter of 0.5 mm or more in an amount of 50 parts by weight and having an aspect ratio of 10 to 500.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27396492A JP3330400B2 (en) | 1992-10-13 | 1992-10-13 | Abrasion resistant resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27396492A JP3330400B2 (en) | 1992-10-13 | 1992-10-13 | Abrasion resistant resin composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06122824A true JPH06122824A (en) | 1994-05-06 |
| JP3330400B2 JP3330400B2 (en) | 2002-09-30 |
Family
ID=17535036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27396492A Expired - Lifetime JP3330400B2 (en) | 1992-10-13 | 1992-10-13 | Abrasion resistant resin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3330400B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002129014A (en) * | 2000-10-20 | 2002-05-09 | Toray Ind Inc | Polyphenylene sulfide resin composition and its molded article |
| JP2010013515A (en) * | 2008-07-02 | 2010-01-21 | Tosoh Corp | Polyarylene sulfide composition |
| JP2018111797A (en) * | 2017-01-10 | 2018-07-19 | 三浦工業株式会社 | A sliding material |
-
1992
- 1992-10-13 JP JP27396492A patent/JP3330400B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002129014A (en) * | 2000-10-20 | 2002-05-09 | Toray Ind Inc | Polyphenylene sulfide resin composition and its molded article |
| JP2010013515A (en) * | 2008-07-02 | 2010-01-21 | Tosoh Corp | Polyarylene sulfide composition |
| JP2018111797A (en) * | 2017-01-10 | 2018-07-19 | 三浦工業株式会社 | A sliding material |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3330400B2 (en) | 2002-09-30 |
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