JPH11181301A - Molding excellent in persistent antistatic property - Google Patents
Molding excellent in persistent antistatic propertyInfo
- Publication number
- JPH11181301A JPH11181301A JP9366015A JP36601597A JPH11181301A JP H11181301 A JPH11181301 A JP H11181301A JP 9366015 A JP9366015 A JP 9366015A JP 36601597 A JP36601597 A JP 36601597A JP H11181301 A JPH11181301 A JP H11181301A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- molded article
- synthetic resin
- carbon fiber
- antistatic property
- 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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、持続性の帯電防止
性能を有し、紙等との摺動に対しても抵抗力のある合成
樹脂製成形体に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a synthetic resin molded article having a sustained antistatic property and having a resistance to sliding with paper or the like.
【０００２】[0002]
【従来の技術】近年、エレクトロニクス機器の発達及び
普及が著しいが、これらの機器中の電気回路及びＩＣ
は、外部、内部から発生する静電気により誤動作するこ
とがある。これを防止するため、静電気の発生を抑えた
り、発生した静電気を除去することが行われている。特
に、合成樹脂の場合には、絶縁性が高いため静電気が発
生しやすく、帯電しやすい為、各種の方法により帯電防
止策が実施されている。比較的低分子量の帯電防止剤を
配合した組成物では、その効果は大きいものの、長期的
な効果の持続性に問題がある。これに対し、高分子量の
帯電防止性ポリマーを配合した組成物は、長期的な効果
の持続性はあるものの、その効果は低く、帯電防止ポリ
マーを高濃度に配合する必要があり、組成物のコストに
上昇や、合成樹脂の性能の低下を引き起こしているのが
実状である。特に、紙等との摺動が常に行われる用途に
おいては、摩擦摩耗の問題が避けられない。また、カー
ボンブラックや炭素繊維を配合することも行われている
が、カーボンブラックではカーボンの落下による周囲の
汚染の問題があり、炭素繊維ではコストの上昇が避けら
れない。2. Description of the Related Art In recent years, electronic devices have been remarkably developed and spread.
May malfunction due to static electricity generated from outside and inside. In order to prevent this, the generation of static electricity is suppressed or the generated static electricity is removed. In particular, in the case of a synthetic resin, static electricity is easily generated due to its high insulating property, and it is easy to be charged. Therefore, antistatic measures have been implemented by various methods. A composition containing an antistatic agent having a relatively low molecular weight has a large effect, but has a problem in the long-term persistence of the effect. In contrast, a composition containing a high-molecular weight antistatic polymer has a long-lasting effect, but its effect is low, and it is necessary to mix the antistatic polymer at a high concentration. In fact, it causes an increase in cost and a decrease in performance of the synthetic resin. In particular, in applications where sliding with paper or the like is always performed, the problem of friction and wear is inevitable. In addition, carbon black and carbon fiber are also blended. However, carbon black has a problem of contamination of the surroundings due to dropping of carbon, and the cost of carbon fiber is unavoidable.
【０００３】[0003]
【発明が解決しようとする課題】本発明は、持続性のあ
る帯電防止性能を有し、周囲を汚染させることがなく、
コストの上昇も比較的少ない成形体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 a sustained antistatic property and does not pollute the surroundings.
It is an object of the present invention to provide a molded article having a relatively small increase in cost.
【０００４】[0004]
【課題を解決するための手段】このような状況に鑑み、
本発明者らは特定の中空構造を有する炭素繊維が良好な
導電性を有すると言う特性に着目し、鋭意検討の結果、
本発明を完成するに至った。即ち本発明は、特定の中空
構造を有する炭素繊維を含有する合成樹脂組成物より成
る、持続性帯電防止性能を有する成形体であり、炭素繊
維が、外径が０．００４〜０．１μであり、内径が０．
００１〜０．０５μである中空構造を有していることを
特徴とする成形体に関するものである。In view of such a situation,
The present inventors have focused on the property that carbon fibers having a specific hollow structure have good conductivity, and as a result of intensive study,
The present invention has been completed. That is, the present invention is a molded article having a continuous antistatic performance, comprising a synthetic resin composition containing carbon fibers having a specific hollow structure, wherein the carbon fibers have an outer diameter of 0.004 to 0.1 μm. Yes, the inner diameter is 0.
The present invention relates to a molded article having a hollow structure of 001 to 0.05 μ.
【０００５】本発明で用いる炭素繊維は特定の中空構造
を有するものであり、外径は０．００４〜０．１μであ
り、内径は０．００１〜０．０５μである。好ましく
は、外径は０．００７〜０．０３μであり、内径は０．
００２〜０．１μである。炭素繊維の長さは限定されな
いが、通常は１〜２０μである。この炭素繊維の長さ
は、通常使用されている中実の炭素繊維に比べると短い
ため、成形体の寸法精度の向上にも寄与するという効果
を発揮する。The carbon fiber used in the present invention has a specific hollow structure, and has an outer diameter of 0.004 to 0.1 μm and an inner diameter of 0.001 to 0.05 μm. Preferably, the outer diameter is between 0.007 and 0.03μ and the inner diameter is between 0.
002 to 0.1 μm. Although the length of the carbon fiber is not limited, it is usually 1 to 20 μm. Since the length of the carbon fiber is shorter than that of a commonly used solid carbon fiber, the carbon fiber has an effect of contributing to the improvement of the dimensional accuracy of the molded body.
【０００６】本発明に用いる炭素繊維はいかなる方法で
も合成樹脂に配合することができるが、取り扱いの容易
さから、配合前にマスターバッチ化しておくことが好ま
しい。マスターバッチ用のポリマーは配合する合成樹脂
と相溶性の良いものであることが好ましい。マスターバ
ッチ化の方法は特に限定されないが、バンバリーミキサ
ー、ロールミル、ニーダールーダー等が使用できる。本
発明に用いる炭素繊維は、最終製品の性能として１０2
〜１０8 Ω・ＣＭの体積抵抗率を発現する量であればよ
く、配合割合は特に限定されるものではないが、強いて
配合割合を示すと、０、２重量部から１５重量部であ
る。後述する実施例で明らかにするが、本発明では使用
する中空構造の炭素繊維を使用することにより、炭素繊
維の配合量を大幅に低減することが出来、コストの低下
に対する効果が非常に大きい。[0006] The carbon fiber used in the present invention can be blended with the synthetic resin by any method, but it is preferable to form a masterbatch before blending from the viewpoint of easy handling. The polymer for the masterbatch is preferably one having good compatibility with the synthetic resin to be blended. The method of forming the master batch is not particularly limited, but a Banbury mixer, a roll mill, a kneader ruder or the like can be used. The carbon fiber used in the present invention has a performance of 10 2
Any amount may be used as long as it exhibits a volume resistivity of 〜１０10 8 Ω · CM, and the mixing ratio is not particularly limited, but the mixing ratio is 0 to 2 parts by weight to 15 parts by weight. As will be apparent from the examples described later, in the present invention, by using the hollow-structured carbon fiber used, the compounding amount of the carbon fiber can be greatly reduced, and the effect on cost reduction is very large.
【０００７】本発明に用いる合成樹脂は、熱可塑性樹
脂、熱硬化性樹脂より選ばれた一種以上であるが、熱可
塑性樹脂としては、熱可塑性アクリル樹脂、塩化ビニル
樹脂、ポリエチレン樹脂、ポリプロピレン樹脂、スチレ
ン系樹脂（ポリスチレン樹脂、ＡＢＳ樹脂、ＡＳ樹脂、
変性ポリフェニレンエーテル樹脂）、塩化ビニル−酢酸
ビニル共重合体、ポリカーボネート樹脂、ポリアミド樹
脂、ポリエステル樹脂、ポリフェニレンスルフィド樹
脂、ポリスルホン樹脂などから選ばれた一種以上が挙げ
られる。また、熱硬化性樹脂としては、エポキシ系樹
脂、フェノール系樹脂、アミノ樹脂、アルキッド樹脂、
ポリウレタン樹脂、ポリエステル系樹脂、熱硬化性アク
リル樹脂、ポリイミド樹脂、メラミンアルキッド樹脂及
びそれらの変性樹脂より選ばれた一種以上が好ましい。The synthetic resin used in the present invention is at least one selected from a thermoplastic resin and a thermosetting resin. As the thermoplastic resin, a thermoplastic acrylic resin, a vinyl chloride resin, a polyethylene resin, a polypropylene resin, Styrene resin (polystyrene resin, ABS resin, AS resin,
Modified polyphenylene ether resin), vinyl chloride-vinyl acetate copolymer, polycarbonate resin, polyamide resin, polyester resin, polyphenylene sulfide resin, polysulfone resin, and the like. In addition, as the thermosetting resin, epoxy resin, phenolic resin, amino resin, alkyd resin,
One or more selected from polyurethane resins, polyester resins, thermosetting acrylic resins, polyimide resins, melamine alkyd resins, and modified resins thereof are preferred.
【０００８】本発明で用いる補強材としては、ガラス繊
維、中実の炭素繊維である。これらの繊維は長繊維でも
短繊維でもどちらでも良い。また、これらの両方を併用
しても良い。更に、補強材として、ガラスフレーク、雲
母、シリカ等の無機フィラーが使用できる。これらの含
有量は特に限定されないが、樹脂１００重量部に対し
て、１０重量部から１００重量であれば良い。The reinforcing material used in the present invention is glass fiber or solid carbon fiber. These fibers may be either long fibers or short fibers. Further, both of them may be used in combination. Further, inorganic fillers such as glass flakes, mica and silica can be used as the reinforcing material. Their content is not particularly limited, but may be 10 to 100 parts by weight with respect to 100 parts by weight of the resin.
【０００９】本発明で用いる摺動性向上剤は、フッ素樹
脂、ポリエチレン樹脂、シリコーン樹脂、シリコーン
油、タルク、二硫化モリブデンである。フッ素樹脂とし
ては、ポリテトラフロロエチレン樹脂が好ましい。これ
らの含有量は特に限定されないが、樹脂１００重量部に
対して、１重量部から２０重量部であれば良い。本発明
で用いる合成樹脂複合材料には、必要に応じて、難燃
剤、滑剤、離型剤、熱安定剤、酸化防止剤、紫外線吸収
剤、光安定剤等を含有させることが出来る。The slidability improver used in the present invention is a fluororesin, polyethylene resin, silicone resin, silicone oil, talc, molybdenum disulfide. As the fluororesin, polytetrafluoroethylene resin is preferable. Their content is not particularly limited, but may be 1 to 20 parts by weight based on 100 parts by weight of the resin. The synthetic resin composite material used in the present invention can contain a flame retardant, a lubricant, a release agent, a heat stabilizer, an antioxidant, an ultraviolet absorber, a light stabilizer, and the like, as necessary.
【００１０】本発明が対象とする成形体は、合成樹脂が
一般的に加工される各種の加工方法によって製造される
が、主に、射出成形、押出成形によって製造される。成
形体の例としては、表面への埃等の付着を嫌う日用品、
家電機器、ＯＡ機器等のハウジング類や、静電気による
電気的誤作動を嫌う内部部品類が挙げられる。又、紙や
カードを搬送する部品に用いられる成形体としては、具
体的には、プリンターやファクシミリやＰＰＣ等の給排
紙ガイド、搬送ガイド及び紙送り搬送用ローラー、自動
販売機のコインメカ部品、ＡＴＭや自動券売機の紙幣及
びカード搬送部品、自動改札機やカード式電話機等のカ
ード搬送部品などが挙げられる。[0010] The molded article to which the present invention is applied is manufactured by various processing methods for generally processing a synthetic resin, and is mainly manufactured by injection molding and extrusion molding. Examples of molded articles include daily necessities that dislike the attachment of dust and the like to the surface,
Examples include housings for home electric appliances and office automation equipment, and internal parts that dislike electrical malfunction due to static electricity. Further, as a molded body used for parts for transporting paper and cards, specifically, a paper supply / discharge guide such as a printer, a facsimile or a PPC, a transport guide and a roller for paper transport, a coin mechanical part of a vending machine, Examples include banknotes and card transport parts for ATMs and automatic ticket vending machines, and card transport parts for automatic ticket gates and card-type telephones.
【００１１】[0011]
【実施例】以下に本発明の効果を実施例などを用いて説
明するが、本発明はこれら実施例などにより限定される
ものではない。体積抵抗率の測定は、ＪＩＳ−Ｋ−６９
１１で規定されている方法に準じて行った。又、成形収
縮率の測定は、ＡＳＴＭ−Ｄ９５５で規定されている方
法によって行った（成形品厚さ：２ｍｍ）。EXAMPLES The effects of the present invention will be described below with reference to examples, but the present invention is not limited to these examples. The measurement of volume resistivity is based on JIS-K-69
This was performed according to the method specified in 11. The measurement of the molding shrinkage was performed by the method specified in ASTM-D955 (molded product thickness: 2 mm).
【００１２】[0012]
【実施例１〜３】ポリフェニレンエーテル樹脂として、
クロロホルム中３０℃で測定した極限粘度［η］が０．
４７であるポリ２，６―ジメチルー１，４―フェニレン
エーテル（以下ＰＰＥと略称する）３９重量部、耐衝撃
性ポリスチレン樹脂（以下ＨＩＰＳと略称する）〔旭化
成工業（株）製：商品名 旭化成ポリスチレン４９２〕
５３重量部、ポリスチレン樹脂（以下ＧＰＰＳと略称す
る）〔旭化成工業（株）製：商品名 旭化成ポリスチレ
ン６８５〕８重量部からなる樹脂組成物の合計１００重
量部に中空炭素繊維〔ハイペリオン キャタリシス イ
ンターナショナル社製：タイプ ＣＣ（外径：０．０１
μ、内径：０．００５μ、長さ：１〜１０μ）〕を２０
重量％配合した旭化成ポリスチレン６８５を表１に示す
指定量混合し、二軸押出機にて溶融混合し、ペレットを
得た。このペレットを用いて１００ｍｍΦ×２ｍｍｔの
試験片を射出成形し、評価をした。結果を表１に示し
た。Examples 1 to 3 As polyphenylene ether resins,
The intrinsic viscosity [η] measured at 30 ° C. in chloroform is 0.
39 parts by weight of poly 2,6-dimethyl-1,4-phenylene ether (hereinafter abbreviated as PPE) 47, impact-resistant polystyrene resin (hereinafter abbreviated as HIPS) [manufactured by Asahi Kasei Kogyo Co., Ltd .: trade name Asahi Kasei Polystyrene] 492]
53 parts by weight of polystyrene resin (hereinafter abbreviated as GPPS) [manufactured by Asahi Kasei Kogyo Co., Ltd .: trade name Asahi Kasei Polystyrene 685] Hollow carbon fiber [manufactured by Hyperion Catalysis International Co., Ltd.] : Type CC (Outer diameter: 0.01
μ, inner diameter: 0.005 μ, length: 1 to 10 μ)]
Asahi Kasei polystyrene 685 blended by weight% was mixed in the specified amounts shown in Table 1 and melt-mixed with a twin screw extruder to obtain pellets. A test piece of 100 mmΦ × 2 mmt was injection-molded using the pellet and evaluated. The results are shown in Table 1.
【００１３】[0013]
【比較例１】実施例１の中空炭素繊維の代わりに、中実
の炭素繊維〔三菱レイヨン（株）製：パイロフィル Ｔ
Ｒ０６６ Ｃ２Ｅ〕を表１に示す指定量二軸押出機にて
樹脂組成物と混合、ペレット化し、試験片を射出成形
し、評価をした。結果を表１に示した。Comparative Example 1 Instead of the hollow carbon fiber of Example 1, solid carbon fiber [Pyrofil T manufactured by Mitsubishi Rayon Co., Ltd.]
R066 C2E] was mixed with the resin composition using a twin screw extruder having a specified amount shown in Table 1, pelletized, and a test piece was injection molded and evaluated. The results are shown in Table 1.
【００１４】[0014]
【表１】 [Table 1]
【００１５】[0015]
【実施例４〜６】実施例１と同様の方法で表２に示した
樹脂組成物を作成し、評価をした。結果を表２に示し
た。Examples 4 to 6 In the same manner as in Example 1, the resin compositions shown in Table 2 were prepared and evaluated. The results are shown in Table 2.
【００１６】[0016]
【表２】 [Table 2]
【００１７】[0017]
【実施例７】実施例１と同じ方法で作成したペレットを
用いて、５ｍｍΦ×２０ｍｍの円柱状の試験片を射出成
形した。この成形品を冶具に固定し、３０ｍｍのスパン
間で往復運動をする台上に固定したコピー用紙〔富士ゼ
ロックスオフィスサプライ（株）製：Ｚ６５７〕と接触
させた状態で、１０００回の往復運動をさせ、摩耗粉の
発生を調べた。結果を表３に示した。Example 7 Using a pellet prepared in the same manner as in Example 1, a cylindrical test piece of 5 mmΦ × 20 mm was injection-molded. The molded product was fixed to a jig and contacted with copy paper (Fuji Xerox Office Supply Co., Ltd .: Z657) fixed on a table that reciprocated between 30 mm spans. Then, the generation of wear powder was examined. The results are shown in Table 3.
【００１８】[0018]
【比較例２】実施例７と同じ方法で、中空炭素繊維の代
わりにカーボンブラック〔ライオン（株）製：ケッチェ
ンブラック ＥＣ〕を用いて円柱状の成形品を作成し試
験を実施した。結果を表３に示した。Comparative Example 2 In the same manner as in Example 7, a cylindrical molded product was prepared using carbon black (manufactured by Lion Corporation: Ketjen Black EC) instead of hollow carbon fibers, and a test was conducted. The results are shown in Table 3.
【００１９】[0019]
【表３】 [Table 3]
【００２０】[0020]
【発明の効果】本発明の中空炭素繊維配合複合材を使用
した成形体は、従来の中実炭素繊維やカーボンブラック
配合複合材を使用したものと比較して、同一配合量での
体積抵抗率が１／１００以下に低下すると共に、カーボ
ンブラック配合複合材に見られる、紙との摩擦による摩
耗粉の発生が少ないといった実用上の利点があり、紙や
カードを搬送する機構部品の不具合を低減するという効
果を有している。According to the present invention, the molded article using the hollow carbon fiber-containing composite material of the present invention has a volume resistivity at the same compounding amount as compared with the conventional one using the solid carbon fiber or carbon black-containing composite material. Has the practical advantage of reducing the abrasion powder due to friction with paper, which is seen in the composite material containing carbon black, and reduces the failure of mechanical parts for transporting paper and cards. It has the effect of doing.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｃ０８Ｋ 7/02 Ｃ０８Ｋ 7/02 7/06 7/06 7/14 7/14 Ｃ０８Ｌ 23/04 Ｃ０８Ｌ 23/04 27/12 27/12 83/04 83/04 // Ｂ２９Ｃ 45/00 Ｂ２９Ｃ 45/00 47/00 47/00 Ｃ０８Ｊ 5/04 Ｃ０８Ｊ 5/04 ──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. 6 Identification code FI C08K 7/02 C08K 7/02 7/06 7/06 7/14 7/14 C08L 23/04 C08L 23/04 27/12 27 / 12 83/04 83/04 // B29C 45/00 B29C 45/00 47/00 47/00 C08J 5/04 C08J 5/04
Claims (4)
する合成樹脂組成物より成る成形体であり、炭素繊維
が、外径が０．００４〜０．１μであり、内径が０．０
０１〜０．０５μである中空構造を有していることを特
徴とする持続性帯電防止性能を有する成形体。1. A molded article comprising a synthetic resin composition containing carbon fibers having a specific hollow structure, wherein the carbon fibers have an outer diameter of 0.004 to 0.1 μm and an inner diameter of 0.04.
A molded article having a sustained antistatic property, having a hollow structure of from 0.01 to 0.05 μ.
形体である請求項１記載の成形体。2. The molded article according to claim 1, wherein the molded article is a molded article involved in transferring paper or a card.
中実の炭素繊維等の無機繊維あるいは有機繊維、ガラス
フレーク、雲母、シリカ等の無機充填材、から選ばれる
１種以上を含有する、請求項１又は２記載の成形体。3. A synthetic resin comprising glass fiber,
The molded article according to claim 1, further comprising one or more selected from inorganic fibers such as solid carbon fibers or organic fibers, glass flakes, mica, and an inorganic filler such as silica.
樹脂、ポリエチレン樹脂、ポリシリコーン樹脂、シリコ
ーン油、タルク，二硫化モリブデンから選ばれる１種以
上を含有する、請求項１〜３のいずれかに記載の成形
体。4. The synthetic resin according to claim 1, wherein the synthetic resin contains at least one selected from the group consisting of a fluororesin, a polyethylene resin, a polysilicone resin, a silicone oil, talc, and molybdenum disulfide as a slidability improver. A molded article according to any one of the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9366015A JPH11181301A (en) | 1997-12-24 | 1997-12-24 | Molding excellent in persistent antistatic property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9366015A JPH11181301A (en) | 1997-12-24 | 1997-12-24 | Molding excellent in persistent antistatic property |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11181301A true JPH11181301A (en) | 1999-07-06 |
Family
ID=18485704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9366015A Pending JPH11181301A (en) | 1997-12-24 | 1997-12-24 | Molding excellent in persistent antistatic property |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11181301A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002081395A (en) * | 2000-09-06 | 2002-03-22 | Fujitsu General Ltd | Cross flow fan |
| JP2002097375A (en) * | 2000-09-22 | 2002-04-02 | Toray Ind Inc | Thermoplastic resin composition and molding |
| JP2002226713A (en) * | 2001-02-05 | 2002-08-14 | Toray Ind Inc | Carbon fiber reinforced resin composition molding material and molded article made therefrom |
| JP2011168670A (en) * | 2010-02-17 | 2011-09-01 | Mitsubishi Engineering Plastics Corp | Polyphenylene ether based resin composition excellent in abrasion resistance and member composed thereof |
| JP2012251111A (en) * | 2011-06-06 | 2012-12-20 | Umg Abs Ltd | Resin material for sliding material to be printed and molded article for sliding material to be printed |
| JP2013040252A (en) * | 2011-08-12 | 2013-02-28 | Umg Abs Ltd | Resin material for sliding object to be printed and molding for sliding object to be printed |
| JP2015120936A (en) * | 2015-03-30 | 2015-07-02 | ユーエムジー・エービーエス株式会社 | Resin material for sliding body to be printed, and molded body for sliding body to be printed |
-
1997
- 1997-12-24 JP JP9366015A patent/JPH11181301A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002081395A (en) * | 2000-09-06 | 2002-03-22 | Fujitsu General Ltd | Cross flow fan |
| JP2002097375A (en) * | 2000-09-22 | 2002-04-02 | Toray Ind Inc | Thermoplastic resin composition and molding |
| JP4586251B2 (en) * | 2000-09-22 | 2010-11-24 | 東レ株式会社 | Fuel cell separator |
| JP2002226713A (en) * | 2001-02-05 | 2002-08-14 | Toray Ind Inc | Carbon fiber reinforced resin composition molding material and molded article made therefrom |
| JP2011168670A (en) * | 2010-02-17 | 2011-09-01 | Mitsubishi Engineering Plastics Corp | Polyphenylene ether based resin composition excellent in abrasion resistance and member composed thereof |
| JP2012251111A (en) * | 2011-06-06 | 2012-12-20 | Umg Abs Ltd | Resin material for sliding material to be printed and molded article for sliding material to be printed |
| JP2013040252A (en) * | 2011-08-12 | 2013-02-28 | Umg Abs Ltd | Resin material for sliding object to be printed and molding for sliding object to be printed |
| JP2015120936A (en) * | 2015-03-30 | 2015-07-02 | ユーエムジー・エービーエス株式会社 | Resin material for sliding body to be printed, and molded body for sliding body to be printed |
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