JPH01104658A - Electrically conductive thermoplastic resin composition - Google Patents
Electrically conductive thermoplastic resin compositionInfo
- Publication number
- JPH01104658A JPH01104658A JP26135287A JP26135287A JPH01104658A JP H01104658 A JPH01104658 A JP H01104658A JP 26135287 A JP26135287 A JP 26135287A JP 26135287 A JP26135287 A JP 26135287A JP H01104658 A JPH01104658 A JP H01104658A
- Authority
- JP
- Japan
- Prior art keywords
- thermoplastic resin
- carbon fiber
- resin composition
- sulfate
- weight
- 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
- 229920005992 thermoplastic resin Polymers 0.000 title claims abstract description 23
- 239000011342 resin composition Substances 0.000 title claims description 16
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 27
- 239000004917 carbon fiber Substances 0.000 claims abstract description 27
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 150000002484 inorganic compounds Chemical class 0.000 claims abstract description 12
- 229910010272 inorganic material Inorganic materials 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 12
- KQHXBDOEECKORE-UHFFFAOYSA-L beryllium sulfate Chemical compound [Be+2].[O-]S([O-])(=O)=O KQHXBDOEECKORE-UHFFFAOYSA-L 0.000 claims abstract description 11
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 8
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims abstract description 5
- 229910000368 zinc sulfate Inorganic materials 0.000 claims abstract description 5
- 229960001763 zinc sulfate Drugs 0.000 claims abstract description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 4
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 4
- -1 polyethylene Polymers 0.000 abstract description 12
- 239000004698 Polyethylene Substances 0.000 abstract description 3
- 239000004743 Polypropylene Substances 0.000 abstract description 3
- 229920000573 polyethylene Polymers 0.000 abstract description 3
- 229920001155 polypropylene Polymers 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 abstract description 3
- 229920002239 polyacrylonitrile Polymers 0.000 abstract description 2
- 238000013329 compounding Methods 0.000 abstract 2
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 238000002156 mixing Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 238000004898 kneading Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 229920002302 Nylon 6,6 Polymers 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 244000203494 Lens culinaris subsp culinaris Species 0.000 description 1
- 235000014647 Lens culinaris subsp culinaris Nutrition 0.000 description 1
- 229920006065 Leona® Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 239000004697 Polyetherimide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002134 carbon nanofiber Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 150000002903 organophosphorus compounds Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001643 poly(ether ketone) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、炭素繊維を含有する導電性熱可塑性樹脂組成
物に関し、特に少ない炭素繊維の含有量で、優れた導電
性を示し、同時に力学的にも優れ、高強度を示す導電性
熱可塑性樹脂組成物に関するものである。Detailed Description of the Invention [Industrial Field of Application] The present invention relates to a conductive thermoplastic resin composition containing carbon fibers, which exhibits excellent electrical conductivity, especially with a small content of carbon fibers, and at the same time has excellent mechanical properties. The present invention relates to a conductive thermoplastic resin composition that is excellent in terms of performance and exhibits high strength.
この組成物は静電気除去用、帯電防止用、電磁波遮蔽用
等として有用である。This composition is useful for removing static electricity, preventing static electricity, shielding electromagnetic waves, etc.
各種の熱可塑性樹脂に炭素繊維を配合して高導電性熱可
塑性樹脂組成物を得ることは公知である(例えば、特開
昭59−189142号公報)。It is known to obtain highly conductive thermoplastic resin compositions by blending carbon fibers with various thermoplastic resins (for example, JP-A-59-189142).
又、各種の熱可塑性樹脂に無機・有機リン化合物を配合
して導電性を改良することも公知である(例えば特開昭
58−215448号公報)。It is also known to improve conductivity by blending inorganic/organic phosphorus compounds with various thermoplastic resins (for example, Japanese Patent Laid-Open No. 58-215448).
しかしながら、前者の方法では、炭素繊維を多量に含有
させなければ、所望の高導電性は得られない。そして、
炭素繊維の充填量が多(なると、炭素繊維の熱可塑性樹
脂への押出機による混練工程において、■サイジング剤
によって集束し、1〜10mmにカットした炭素繊維の
チョツプド・ストランドが開繊される割合が多くなり、
押出機への食い込み不良を起こしたり、■熔融混練が不
均一になり、混練性が悪くなったり、■押出しストラン
ドの切断が多発し、得られる導電性樹脂組成物の加工性
が劣ったものとなる。更に、成形加工工程においては、
炭素繊維充填量が多くなると、成形機のスクリューやバ
レル等の摩擦が多くなり、そのため成形工程が複雑化し
、困難化する。又、得られる成形品も、樹脂の溶融流動
性が悪くなるため、表面が荒れたり、物性例えば引張強
度、曲げ強度が低下したりする。However, in the former method, the desired high conductivity cannot be obtained unless a large amount of carbon fiber is contained. and,
When the amount of carbon fiber filled is large (when the carbon fiber is mixed into a thermoplastic resin using an extruder, becomes more,
This may result in poor biting into the extruder, ■ Melt-kneading may become uneven, resulting in poor kneading properties, or ■ Frequent breakage of extruded strands, resulting in poor processability of the resulting conductive resin composition. Become. Furthermore, in the molding process,
When the carbon fiber filling amount increases, the friction of the screw, barrel, etc. of the molding machine increases, which makes the molding process complicated and difficult. In addition, the resulting molded product also has a rough surface due to poor melt flowability of the resin, and physical properties such as tensile strength and bending strength are reduced.
後者のリン化合物を配合する方法では、導電性改良効果
は得られるものの、その効果は小さく、しかも配合組成
物の力学特性が低下する。In the latter method of blending a phosphorus compound, although the effect of improving conductivity can be obtained, the effect is small and furthermore, the mechanical properties of the blended composition are deteriorated.
従って、本発明の目的は、少ない炭素繊維配合量で高導
電性を有する熱可塑性樹脂組成物を提供することである
。Therefore, an object of the present invention is to provide a thermoplastic resin composition that has high electrical conductivity with a small amount of carbon fiber blended.
以上に鑑み本発明者等は、鋭意研究の結果、特定の無機
化合物を配合することにより、上記目的を達成すること
ができ、本発明を成すに至った。In view of the above, as a result of intensive research, the present inventors were able to achieve the above object by blending a specific inorganic compound, and came to accomplish the present invention.
即ち、本発明は、熱可塑性樹脂40〜95重量%と炭素
繊維5〜60重量%からなる混合物に対し、該混合物1
00重量部当り、0.01〜10重量部の硫酸カルシウ
ム、硫酸亜鉛、炭酸カルシウム、硫酸ベリリウム、ステ
アリン酸亜鉛から選ばれた1種又は2種以上の無機化合
物を含んでなることを特徴とする導電性熱可塑性樹脂組
成物に関するものである。That is, in the present invention, for a mixture consisting of 40 to 95% by weight of thermoplastic resin and 5 to 60% by weight of carbon fiber, 1
0.01 to 10 parts by weight of one or more inorganic compounds selected from calcium sulfate, zinc sulfate, calcium carbonate, beryllium sulfate, and zinc stearate. The present invention relates to a conductive thermoplastic resin composition.
以下本発明の詳細な説明する。The present invention will be explained in detail below.
本発明における熱可塑性樹脂としては、例えば、ポリ塩
化ビニル、ポリエチレン、ポリプロピレン、ポリスチレ
ン、ABS、ポリアセクール、ポリウレタン、ポリアミ
ド、ポリエステル、ポリ (メタ)アクリレート、ポリ
エステルエラストマー、ポリカーボネート、変性ポリフ
ェニレンオキサイド、ポリフェニレンサルファイド、ポ
リエーテルケトン、ポリエーテルケトンォン、ポリエー
テルイミド、ポリサルホン等が例示され、それらの単独
又は2種以上のブレンド物が用いられる。中でも、結晶
性のポリエチレン、ポリプロピレン、ポリアミド、ポリ
エステル等が特に好ましい。ポリアミドとしては、ナイ
ロン6、ナイロン66、ポリエステルとしては、ポリエ
チレンテレフタレート又はその変性コポリマーが特に好
適である。Examples of the thermoplastic resin in the present invention include polyvinyl chloride, polyethylene, polypropylene, polystyrene, ABS, polyacecool, polyurethane, polyamide, polyester, poly(meth)acrylate, polyester elastomer, polycarbonate, modified polyphenylene oxide, polyphenylene sulfide, and polyphenylene sulfide. Examples include etherketone, polyetherketone, polyetherimide, polysulfone, etc., and these may be used alone or as a blend of two or more thereof. Among these, crystalline polyethylene, polypropylene, polyamide, polyester, etc. are particularly preferred. Particularly suitable polyamides are nylon 6 and nylon 66, and polyesters are polyethylene terephthalate or modified copolymers thereof.
本発明で用いる炭素繊維としては、ポリアクリロニトリ
ル系炭素繊維、ピッチ系炭素繊維、気相法炭素繊維等を
初めとして公知の炭素繊維がすべて該当する。その形態
としては、チョツプド・ストランド、ミルドファイバー
等の何れでも良い。The carbon fibers used in the present invention include all known carbon fibers including polyacrylonitrile carbon fibers, pitch carbon fibers, vapor grown carbon fibers, and the like. Its form may be chopped strand, milled fiber, or the like.
又、炭素繊維の表面は、樹脂との親和性を増すために、
エポキシ、ウレタン、ナイロン、ポリエーテル等の樹脂
でサイジングされていても差支えない。In addition, the surface of carbon fiber is coated with resin to increase its affinity with resin.
There is no problem even if the size is made of resin such as epoxy, urethane, nylon, or polyether.
炭素繊維の含有量は、5〜60重量%、好ましくは7〜
35ffi量%である。この含有量が5重量%未溝の場
合には、導電性が小さ過ぎ、又、60重量%を超えると
、成形時の流動性が悪くなり、加工性が著しく阻害され
るため好ましくない。The content of carbon fiber is 5 to 60% by weight, preferably 7 to 60% by weight.
It is 35ffi amount%. If the content is 5% by weight without grooves, the conductivity is too low, and if it exceeds 60% by weight, the fluidity during molding will deteriorate and the processability will be significantly impaired, which is not preferable.
本発明に使用する特定の無機化合物は、硫酸カルシウム
、硫酸亜鉛、炭酸カルシウム、硫酸ベリリウム、ステア
リン酸亜鉛から選ばれるが、その形状は、体積平均径で
、0.1 ma+以下であることが好ましく、0.1f
filI+以下が更に好ましい。The specific inorganic compound used in the present invention is selected from calcium sulfate, zinc sulfate, calcium carbonate, beryllium sulfate, and zinc stearate, and its shape is preferably 0.1 ma+ or less in volume average diameter. ,0.1f
filI+ or less is more preferable.
これら特定の無機化合物の配合は、その作用機構は明ら
かでないが、炭素繊維含有熱可塑性樹脂の導電性を著し
く向上させる効果を持っている。Although the mechanism of action of the blending of these specific inorganic compounds is not clear, it has the effect of significantly improving the electrical conductivity of the carbon fiber-containing thermoplastic resin.
これら特定の無機化合物は、熱可塑性樹脂40〜95重
量%、炭素繊維5〜60重量%からなる混合物に対し、
該混合物100重量部当り、0.01〜10重量部、好
ましくは0.1〜5重量部配合される。0.01重量部
未満の添加では、導電性向上効果が認められず、10重
量部を超えると、樹脂組成物の押出し時の加工安定性が
悪くなるか、引張強度、曲げ強度等に問題が生じる。These specific inorganic compounds are based on a mixture consisting of 40 to 95% by weight of thermoplastic resin and 5 to 60% by weight of carbon fiber.
It is blended in an amount of 0.01 to 10 parts by weight, preferably 0.1 to 5 parts by weight, per 100 parts by weight of the mixture. If less than 0.01 parts by weight is added, no effect of improving conductivity will be observed, and if it exceeds 10 parts by weight, the processing stability during extrusion of the resin composition will deteriorate or problems may occur in tensile strength, bending strength, etc. arise.
本発明の導電性熱可塑性樹脂組成物は、粉末状、ビーズ
状、ペレット状など各種形状の熱可塑性樹脂と、炭素繊
維及び上記特定の無機化合物を、バンバリーミキサ−、
コニーダー、単軸押出機、二軸押出機などの混練機、押
出機にて混合混練を行うことによって得られる。The conductive thermoplastic resin composition of the present invention is produced by mixing a thermoplastic resin in various shapes such as powder, beads, and pellets, carbon fibers, and the above-mentioned specific inorganic compound in a Banbury mixer.
It is obtained by mixing and kneading in a kneader or extruder such as a co-kneader, single-screw extruder, or twin-screw extruder.
本発明の組成物を均一なものとするためには、混線機、
押出機にて混合混練を行う前に、タンブラ−1高速ミキ
サーなどの手段を用いて予備混合を行っても良い。In order to make the composition of the present invention uniform, a crosstalk machine,
Before mixing and kneading in the extruder, preliminary mixing may be performed using a means such as a tumbler-1 high-speed mixer.
この混合混練を行うことによって得られた樹脂組成物を
射出成形機のホッパー内に供給し、可塑化ミリンダー内
で熔融し、射出成形型内に射出し、金型内で冷却固化し
て成形品を取り出すことによって、本発明の樹脂組成物
を用いた射出成形品を得ることができる。同様に、樹脂
組成物を押出成形機のホッパー内に供給し、可塑化シリ
ンダー内で熔融し、押出機先端に設置したグイより押し
出すことにより、本発明の樹脂組成物を用いた押出成形
品を得ることができる。The resin composition obtained by performing this mixing and kneading is supplied into the hopper of an injection molding machine, melted in a plasticizing millinder, injected into an injection mold, and cooled and solidified in the mold to form a molded product. By taking out, an injection molded article using the resin composition of the present invention can be obtained. Similarly, an extrusion molded product using the resin composition of the present invention can be produced by supplying the resin composition into the hopper of an extrusion molding machine, melting it in the plasticizing cylinder, and extruding it through a goo installed at the tip of the extruder. Obtainable.
次に実施例と比較例を示す。 Next, examples and comparative examples will be shown.
これらの例で使用する熱可塑性樹脂、炭素繊維及び無機
化合物を以下に示す。The thermoplastic resin, carbon fiber, and inorganic compound used in these examples are shown below.
■熱可塑性樹脂
ポリブチレンチレフタレ−) (PBT)(EPL側、
商品名:バロックス310−5EO)ポリカーボネート
cpc>
(EPL @、商品名ニレキサン141−111 )ナ
イロン−66(N−66)
〔旭化成工業■、商品名:レオナ1300)■炭素繊維
〔旭日本カーボン■、商品名:カーボロンA−6000
)■無機化合物
硫酸カルシウム(CaSO4・2%0)硫酸亜鉛(Zn
SO4・7H2o)
硫酸ベリリウム(BeS04・、1)12o:1ステア
リン酸亜鉛(Zn (C,,11,,0! >@ )炭
酸カルラシム(CaCO3)
実施例1〜10 比較例1〜9
第1表に記載の熱可塑性樹脂に、所定量の炭素繊維及び
無機化合物をトライブレンドし、次いで二軸押出機(3
6+nmφ、L/D−30)を用いて混練し、ベレット
を作成した。■Thermoplastic resin polybutylene lentil thalay) (PBT) (EPL side,
Product name: Barox 310-5EO) Polycarbonate CPC> (EPL @, Product name Nilexan 141-111) Nylon-66 (N-66) [Asahi Kasei ■, Product name: Leona 1300) Carbon fiber [Asahi Nippon Carbon■, Product name: Carboron A-6000
) ■Inorganic compounds Calcium sulfate (CaSO4・2%0) Zinc sulfate (Zn
SO4・7H2o) Beryllium sulfate (BeS04・,1) 12o:1 Zinc stearate (Zn (C,,11,,0! >@ ) Callasim carbonate (CaCO3) Examples 1 to 10 Comparative examples 1 to 9 Table 1 A predetermined amount of carbon fiber and an inorganic compound are triblended into the thermoplastic resin described in
6+nmφ, L/D-30) to create a pellet.
次に、得られたベレットをスクリュー式射出成形機(3
オンス)を用いてテストピースを成形し、その表面抵抗
と引張強度と曲げ強度を測定した。Next, the obtained pellet was molded into a screw injection molding machine (3
oz.) to form a test piece, and its surface resistance, tensile strength, and bending strength were measured.
その結果を第1表に示す。The results are shown in Table 1.
第1表から明らかなように、本発明の樹脂組成物は、単
に熱可塑性樹脂を炭素繊維で強化したものに比べて導電
性が遥かに優れており、従って目的の導電性を得るため
の炭素繊維量を少なくすることができ、更に優れた機械
的強さも同時に有するものである。As is clear from Table 1, the resin composition of the present invention has far superior conductivity compared to a thermoplastic resin simply reinforced with carbon fibers, and therefore It is possible to reduce the amount of fiber, and at the same time has excellent mechanical strength.
又、比較例のリン化合物を含んでなる組成物においては
、多少の導電性改良効果は得られるものの力学特性は低
下する。Moreover, in the composition containing the phosphorus compound of the comparative example, although some effect of improving conductivity can be obtained, the mechanical properties are deteriorated.
本発明の導電性熱可塑性樹脂組成物は、少ない炭素繊維
含有量で優れた導電性を有し、かつ、優れた機械的特性
を備えている。The conductive thermoplastic resin composition of the present invention has excellent conductivity with a small carbon fiber content and excellent mechanical properties.
特許出願人 旭化成工業株式会社Patent applicant: Asahi Kasei Industries, Ltd.
Claims (1)
0重量%からなる混合物に対し、該混合物100重量部
当り、0.01〜10重量部の硫酸カルシウム、硫酸亜
鉛、炭酸カルシウム、硫酸ベリリウム、ステアリン酸亜
鉛から選ばれた1種又は2種以上の無機化合物を含んで
なることを特徴とする導電性熱可塑性樹脂組成物。(1) Thermoplastic resin 40-95% by weight and carbon fiber 5-6%
0.01 to 10 parts by weight of one or more selected from calcium sulfate, zinc sulfate, calcium carbonate, beryllium sulfate, and zinc stearate per 100 parts by weight of the mixture. A conductive thermoplastic resin composition comprising an inorganic compound.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26135287A JPH01104658A (en) | 1987-10-16 | 1987-10-16 | Electrically conductive thermoplastic resin composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26135287A JPH01104658A (en) | 1987-10-16 | 1987-10-16 | Electrically conductive thermoplastic resin composition |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01104658A true JPH01104658A (en) | 1989-04-21 |
Family
ID=17360651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP26135287A Pending JPH01104658A (en) | 1987-10-16 | 1987-10-16 | Electrically conductive thermoplastic resin composition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01104658A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04359053A (en) * | 1991-06-04 | 1992-12-11 | Toray Ind Inc | Polyimide resin composition |
JPH05320505A (en) * | 1992-05-15 | 1993-12-03 | Toray Ind Inc | Polyimide resin composition |
WO1994019408A1 (en) * | 1993-02-22 | 1994-09-01 | The Dow Chemical Company | Black-colored, laser-writable blends of carbonate polymer and polyester |
JP2015199959A (en) * | 2014-04-08 | 2015-11-12 | エムス−パテント アクチエンゲゼルシャフト | Electrically conductive polyamide molding material |
-
1987
- 1987-10-16 JP JP26135287A patent/JPH01104658A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04359053A (en) * | 1991-06-04 | 1992-12-11 | Toray Ind Inc | Polyimide resin composition |
JPH05320505A (en) * | 1992-05-15 | 1993-12-03 | Toray Ind Inc | Polyimide resin composition |
WO1994019408A1 (en) * | 1993-02-22 | 1994-09-01 | The Dow Chemical Company | Black-colored, laser-writable blends of carbonate polymer and polyester |
JP2015199959A (en) * | 2014-04-08 | 2015-11-12 | エムス−パテント アクチエンゲゼルシャフト | Electrically conductive polyamide molding material |
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