JP2006016553A5 - - Google Patents

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JP2006016553A5
JP2006016553A5 JP2004197452A JP2004197452A JP2006016553A5 JP 2006016553 A5 JP2006016553 A5 JP 2006016553A5 JP 2004197452 A JP2004197452 A JP 2004197452A JP 2004197452 A JP2004197452 A JP 2004197452A JP 2006016553 A5 JP2006016553 A5 JP 2006016553A5
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resin
present
carbon nanotube
configuration
applying
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JP2004197452A
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JP5037783B2 (en
JP2006016553A (en
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Priority claimed from JP2004197452A external-priority patent/JP5037783B2/en
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Description

また、本実施の形態においては、上記本発明の構成を適用するに際して、カーボンナノチューブとして、単層カーボンナノチューブ、2層カーボンナノチューブ、多層カーボンナノチューブ、カップスタック型カーボンナノチューブ、アモルファスカーボンナノチューブ、気相成長炭素繊維の中から選ばれる少なくとも1種類のものを用いることができる。そのうち1種類、もしくは2種類以上を用いることで、使用するベース樹脂(熱可塑性樹脂)とより相性の良いものの選択が可能となり、より高い導電性を得ることが可能となる。
また、本発明の実施の形態においては、上記本発明の構成を適用するに際して、カーボンナノチューブを、その平均直径が1〜150nm、平均アスペクト比が5以上とすることで、指定範囲外のものと比し、より効率的に樹脂内での導電ネットワークを形成することが可能となり、より高い導電性を得ることができる。また、本発明の実施の形態においては、上記本発明の構成を適用するに際して、カーボンナノチューブの含有量が複合材料全体に対して1〜10重量%、より望ましくは1〜5重量%とすることで、ベース樹脂である熱可塑性樹脂の成形性を損なうことなく、高い導電性を得ることが可能となる。
また、本実施の形態においては、上記本発明の構成を適用するに際して、エチレン共重合体を、エチレンに酢酸ビニルを重合した2元共重合体、またはエチレンに酢酸ビニル及び一酸化炭素を重合した3元共重合体とすることで、熱可塑性樹脂とカーボンナノチューブの密着性をより高めることが可能となり、より高い導電性を得ることができる。
また、本実施の形態においては、上記本発明の構成を適用するに際して、前記エチレン共重合体を、その含有量が複合材料全体に対して1〜10重量%、または1〜5重量%とすることで、ベース樹脂(熱可塑性樹脂)の成形性を損なうことなく、高い導電性を得ることが可能となる。
また、本実施の形態においては、上記本発明の構成を適用するに際して、
熱可塑性樹脂として、ポリカーボネート樹脂、ポリフェニレンスルフィド樹脂、アクリロニトリルブダジエンスチレン樹脂、ポリブチレンテレフタレート樹脂、ポリエチレンテレフタレート樹脂、ポリスチレン樹脂、ポリフェニレンエーテル樹脂、ポリアミド樹脂、液晶性樹脂、ポリオレフィン樹脂、PC/ABSやPC/PSの樹脂の組み合わせによりなるアロイ樹脂の中から選ばれる少なくとも1種類の樹脂を用いることで、使用するカーボンナノチューブ及びエチレン共重合体とのより相性の良いものの選択が可能となり、より高い導電性を得ることができる。また、ポリカーボネート樹脂を選択することで、カーボンナノチューブとエチレン共重合体との密着性がより高くなり、より高い導電性を得ることができる。
また、本実施の形態においては、上記本発明の構成を適用するに際して、上記いずれかの樹脂組成物を用いて樹脂成形体を成形することで、用途に合った所望の形状である樹脂成形体を作成することが可能となる。
また、上記いずれかの樹脂組成物を用いて射出成形により、レンズを保持するレンズ保持部材と、該レンズ保持部材を支持する支持部材とを備えるレンズ鏡筒部品を成形することで、従来に比してより薄肉で寸法精度の高い、小型で軽量のレンズ鏡筒部品を実現することができる。その平均肉厚が1.5mm以下、または1.0mm以下のレンズ鏡筒部品を成形することができる。
In the present embodiment, when applying the configuration of the present invention described above, as the carbon nanotube, the single-walled carbon nanotube, the double-walled carbon nanotube, the multi-walled carbon nanotube, the cup-stacked carbon nanotube, the amorphous carbon nanotube, the vapor phase growth is used. At least one selected from carbon fibers can be used. By using one, or two or more of them, it is possible to select a resin having better compatibility with the base resin (thermoplastic resin) to be used, and higher conductivity can be obtained.
Further, in the embodiment of the present invention, when applying the configuration of the present invention, the carbon nanotube has an average diameter of 1 to 150 nm and an average aspect ratio of 5 or more. In comparison, it is possible to form a conductive network in the resin more efficiently, and higher conductivity can be obtained. Further, in the embodiment of the present invention, when applying the configuration of the present invention, the content of the carbon nanotube is 1 to 10% by weight, more preferably 1 to 5% by weight with respect to the entire composite material. Thus, high conductivity can be obtained without impairing the moldability of the thermoplastic resin as the base resin.
In this embodiment, when applying the configuration of the present invention, an ethylene copolymer, a binary copolymer obtained by polymerizing vinyl acetate with ethylene, or vinyl acetate and carbon monoxide are polymerized with ethylene. By setting it as a ternary copolymer, it becomes possible to improve the adhesiveness of a thermoplastic resin and a carbon nanotube more, and can obtain higher electroconductivity.
In this embodiment, when applying the above-described configuration of the present invention, the content of the ethylene copolymer is 1 to 10% by weight or 1 to 5% by weight with respect to the entire composite material. Thus, high conductivity can be obtained without impairing the moldability of the base resin (thermoplastic resin).
In this embodiment, when applying the configuration of the present invention,
As thermoplastic resins, polycarbonate resin, polyphenylene sulfide resin, acrylonitrile butadiene styrene resin, polybutylene terephthalate resin, polyethylene terephthalate resin, polystyrene resin, polyphenylene ether resin, polyamide resin, liquid crystalline resin, polyolefin resin, PC / ABS and PC / P By using at least one kind of resin selected from alloy resins composed of a combination of S resins, it becomes possible to select a resin having better compatibility with the carbon nanotubes and ethylene copolymer to be used. Obtainable. Moreover, by selecting a polycarbonate resin, the adhesion between the carbon nanotube and the ethylene copolymer is further increased, and higher conductivity can be obtained.
Further, in the present embodiment, when the configuration of the present invention is applied, a resin molded body having a desired shape suitable for the application is formed by molding a resin molded body using any of the resin compositions described above. Can be created.
Further, by molding a lens barrel component including a lens holding member that holds a lens and a support member that supports the lens holding member by injection molding using any of the above resin compositions, As a result, it is possible to realize a thin and lightweight lens barrel component that is thin and has high dimensional accuracy. A lens barrel component having an average thickness of 1.5 mm or less or 1.0 mm or less can be molded.

Claims (1)

前記熱可塑性樹脂が、ポリカーボネート樹脂、ポリフェニレンスルフィド樹脂、アクリロニトリルブダジエンスチレン樹脂、ポリブチレンテレフタレート樹脂、ポリエチレンテレフタレート樹脂、ポリスチレン樹脂、ポリフェニレンエーテル樹脂、ポリアミド樹脂、液晶性樹脂、ポリオレフィン樹脂、PC/ABSやPC/PSの樹脂の組み合わせによりなるアロイ樹脂の中から選ばれる少なくとも1種類の樹脂であることを特徴とする請求項1〜10のいずれか1項に記載の樹脂組成物。 The thermoplastic resin is polycarbonate resin, polyphenylene sulfide resin, acrylonitrile butadiene distyrene resin, polybutylene terephthalate resin, polyethylene terephthalate resin, polystyrene resin, polyphenylene ether resin, polyamide resin, liquid crystalline resin, polyolefin resin, PC / ABS or PC / resin composition according to any one of claims 1 to 10, characterized in that at least one resin selected from the alloy resin made of a combination of resin P S.
JP2004197452A 2004-07-02 2004-07-02 Resin composition, molded article molded using the same, and lens barrel Expired - Fee Related JP5037783B2 (en)

Priority Applications (1)

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JP2004197452A JP5037783B2 (en) 2004-07-02 2004-07-02 Resin composition, molded article molded using the same, and lens barrel

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Application Number Priority Date Filing Date Title
JP2004197452A JP5037783B2 (en) 2004-07-02 2004-07-02 Resin composition, molded article molded using the same, and lens barrel

Publications (3)

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JP2006016553A JP2006016553A (en) 2006-01-19
JP2006016553A5 true JP2006016553A5 (en) 2007-08-16
JP5037783B2 JP5037783B2 (en) 2012-10-03

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008062844A1 (en) * 2006-11-24 2008-05-29 Techno Polymer Co., Ltd. Radiating resin compositions, process for producing the same, and molded article
JP2008127552A (en) * 2006-11-24 2008-06-05 Techno Polymer Co Ltd Heat-dissipating resin composition, manufacturing method thereof, and molded article therefrom
JP2011057725A (en) 2009-09-04 2011-03-24 Ube Industries Ltd Electrically conductive thermoplastic resin composition
CN102844380B (en) * 2010-04-14 2015-08-12 高桥玄策 Electroconductive thermoplastic resin
JP5670716B2 (en) * 2010-06-25 2015-02-18 ビジョン開発株式会社 Method for producing polyester resin composition containing diamond fine particles
CN108779337B (en) * 2016-03-28 2022-03-08 日立安斯泰莫株式会社 Thermoplastic resin composition and method for producing thermoplastic resin composition

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JP2003238820A (en) * 2002-02-20 2003-08-27 Nidec Copal Corp Antistatic resin material for optical instrument
JP4162201B2 (en) * 2002-10-23 2008-10-08 旭化成ケミカルズ株式会社 Thermoplastic resin composition
ES2437194T3 (en) * 2003-02-18 2014-01-09 Arkema France Use of carbon nanotubes in mixtures of polyamide and polyolefin
JP2005248076A (en) * 2004-03-05 2005-09-15 Bridgestone Corp Polymer composition and molding of the same

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