JP2017179371A - 電気伝導性樹脂組成物及びその成型品 - Google Patents
電気伝導性樹脂組成物及びその成型品 Download PDFInfo
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Abstract
Description
下記表1に記載された組成比によってミキサーで10分間配合し、二軸押出器を利用して押出した後、射出機を利用して物性測定のための試験片を製造した。
CNT1:平均外径と平均内径がそれぞれ16.4nm、8.0nmであり、ラマン分光強度比が1.25であり、炭素純度が96.5%である複数の多重壁(多層)炭素ナノチューブ(MWCNT)が凝集され、平均バンドル直径が3.4μm、及び平均バンドル長さが50μmであるバンドル型MWCNT粉末を打錠し、ペレット型に加工したもの
CNT2:平均外径と平均内径がそれぞれ12.9nm、5.1nmであり、ラマン分光強度比が0.8であり、炭素純度が95%である複数の多重壁炭素(多層)ナノチューブ(MWCNT)が凝集され、平均バンドル直径が2.8μm、及び平均バンドル長さが26μmであるバンドル型MWCNT粉末を打錠し、ペレット型に加工したもの
CB:カーボンブラック(CCK7067、コロンビアンケミカルズコリア社)。
前記実施例及び比較例により製造されたそれぞれの試験片に対する機械的、物理的特性を測定し、その結果を下記表3と図1、図2に示した。
200:サイド部。
Claims (17)
- 熱可塑性高分子樹脂100重量部と;
平均外径が8〜50nmであり、平均内径が、前記平均外径の40%以上である複数の炭素ナノチューブからなる炭素ナノチューブ集合体0.5〜5重量部と;
カーボンブラック5〜15重量部と;を含む、電気伝導性樹脂組成物。 - 前記炭素ナノチューブのラマン分光強度比(IG/ID)が1.0以上であることを特徴とする、請求項1に記載の電気伝導性樹脂組成物。
- 前記炭素ナノチューブの炭素純度が95%以上であることを特徴とする、請求項1または2に記載の電気伝導性樹脂組成物。
- 前記炭素ナノチューブ集合体の平均バンドル直径(bundle diameter)が1〜10μmであることを特徴とする、請求項1〜3のいずれか1項に記載の電気伝導性樹脂組成物。
- 前記炭素ナノチューブ集合体の平均バンドル長さ(bundle length)が10〜100μmであることを特徴とする、請求項4に記載の電気伝導性樹脂組成物。
- 前記熱可塑性高分子樹脂が、平均粒径が1〜5μmの第1スチレン−ブタジエン共重合体を含むことを特徴とする、請求項1〜5のいずれか1項に記載の電気伝導性樹脂組成物。
- 前記熱可塑性高分子樹脂が、平均粒径が0.1〜1μmの第2スチレン−ブタジエン共重合体をさらに含むことを特徴とする、請求項6に記載の電気伝導性樹脂組成物。
- 前記第2スチレン−ブタジエン共重合体の含有量が、前記熱可塑性高分子樹脂の全体重量を基準に10〜50重量%であることを特徴とする、請求項7に記載の電気伝導性樹脂組成物。
- 前記電気伝導性樹脂組成物が、ゴム成分1〜15重量部をさらに含むことを特徴とする、請求項1〜8のいずれか1項に記載の電気伝導性樹脂組成物。
- 前記ゴム成分が、ブタジエンゴム、イソプレンゴム、スチレン−ブタジエン−スチレンゴム、スチレン−イソプレン−スチレンゴム、アクリロニトリル−ブタジエンゴム、スチレン−ブタジエンゴム、及びエチレン−プロピレンゴムからなる群から選択された一つ以上であることを特徴とする、請求項9に記載の電気伝導性樹脂組成物。
- 前記熱可塑性高分子樹脂がポリスチレンをさらに含むことを特徴とする、請求項1〜10のいずれか1項に記載の電気伝導性樹脂組成物。
- 前記ポリスチレンの含有量が、前記熱可塑性高分子樹脂の全体重量を基準に5〜20重量%であることを特徴とする、請求項11に記載の電気伝導性樹脂組成物。
- 前記ポリスチレンの引張強度が400〜600kgf/cm2であることを特徴とする、請求項11または12に記載の電気伝導性樹脂組成物。
- 前記ポリスチレンの屈曲強度が800〜1,000kgf/cm2であることを特徴とする、請求項11〜13のいずれか1項に記載の電気伝導性樹脂組成物。
- 請求項1〜14のいずれか1項に記載の電気伝導性樹脂組成物を含むことを特徴とする、成型品。
- 前記成型品の表面抵抗が104〜108Ω/sqであることを特徴とする、請求項15に記載の成型品。
- 前記成型品の比重が1.0〜1.1であることを特徴とする、請求項15または16に記載の成型品。
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KR1020160038540A KR101800845B1 (ko) | 2016-03-30 | 2016-03-30 | 전기전도성 수지 조성물 및 그 성형품 |
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US (1) | US9953738B2 (ja) |
JP (1) | JP6423476B2 (ja) |
KR (1) | KR101800845B1 (ja) |
CN (1) | CN107266806B (ja) |
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Cited By (2)
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WO2019235561A1 (ja) * | 2018-06-06 | 2019-12-12 | 株式会社新日本電波吸収体 | 電磁波シールド材及びこれを備える信号処理ユニット |
KR20220159079A (ko) * | 2021-05-25 | 2022-12-02 | (주)오토인더스트리 | 탄소-고분자 복합 발열 와이어, 이의 제조방법 및 이를 포함하는 난방 물품 |
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KR102034670B1 (ko) * | 2017-11-21 | 2019-11-08 | 금호석유화학 주식회사 | 전도성 수지 조성물 및 그 제조방법 |
CN108250603B (zh) * | 2018-01-19 | 2021-01-05 | 广州润锋科技股份有限公司 | 一种碳纳米管导电改性的聚苯乙烯载带材料及其制备方法 |
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KR20200032831A (ko) * | 2018-09-19 | 2020-03-27 | 금호석유화학 주식회사 | 전도성 수지 조성물 및 그 제조방법 |
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KR102234861B1 (ko) * | 2019-11-18 | 2021-04-01 | 금호석유화학 주식회사 | 사출성형용 발열소재 및 사출성형 발열체의 제조방법 |
CN112375368B (zh) * | 2020-09-28 | 2021-08-13 | 厦门大学 | 一种碳系柔性导电膜、制备方法及应用 |
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KR101800845B1 (ko) | 2017-11-23 |
US9953738B2 (en) | 2018-04-24 |
TW201734109A (zh) | 2017-10-01 |
TWI636081B (zh) | 2018-09-21 |
JP6423476B2 (ja) | 2018-11-14 |
KR20170112051A (ko) | 2017-10-12 |
CN107266806A (zh) | 2017-10-20 |
CN107266806B (zh) | 2019-12-10 |
US20170287584A1 (en) | 2017-10-05 |
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