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    GRAPHITE FILM AND PROCESS FOR PRODUCING GRAPHITE FILM

    그라파이트 필름의 원료인 폴리이미드 필름을 구성하는 산이무수물과 디아민을 적절하게 선택하는 것에 의해, 흑연분의 발생이 적은 그라파이트 필름을 제조할 수 있다. 구체적으로는, (1) 산이무수물이 PMDA, 디아민이 ODA/PDA=100/0∼80/20(몰 비율), 또는 (2) 산이무수물이 PMDA/BPDA=80/20∼50/50(몰 비율), 디아민이 ODA/PDA=30/70∼90/10(몰 비율)에 의해 흑연분의 발생이 적은 그라파이트 필름을 얻을 수 있다.

    A graphite film which is low in graphite dust generation can be produced by properly selecting acid dianhydride and diamine which constitute a polyimide film, which polyimide film is a raw material of the graphite film. Specifically, the graphite film which is low in graphite dust generation can be obtained if (1) the acid dianhydride is PMDA and the diamine has a molar ratio of ODA/PDA in a range of 100:0 to 80:20, or (2) the acid dianhydride has a molar ratio of PMDA/BPDA in a range of 80:20 to 50:50, and the diamine has a molar ratio of ODA/PDA in a range of 30:70 to 90:10.

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    GRAPHITE FILM AND PROCESS FOR PRODUCING GRAPHITE FILM

    그라파이트 필름의 원료인 폴리이미드 필름을 구성하는 산이무수물과 디아민을 적절하게 선택하는 것에 의해, 흑연분의 발생이 적은 그라파이트 필름을 제조할 수 있다. 구체적으로는, (1) 산이무수물이 PMDA, 디아민이 ODA/PDA=100/0∼80/20(몰 비율), 또는 (2) 산이무수물이 PMDA/BPDA=80/20∼50/50(몰 비율), 디아민이 ODA/PDA=30/70∼90/10(몰 비율)에 의해 흑연분의 발생이 적은 그라파이트 필름을 얻을 수 있다.

    A graphite film which is low in graphite dust generation can be produced by properly selecting acid dianhydride and diamine which constitute a polyimide film, which polyimide film is a raw material of the graphite film. Specifically, the graphite film which is low in graphite dust generation can be obtained if (1) the acid dianhydride is PMDA and the diamine has a molar ratio of ODA/PDA in a range of 100:0 to 80:20, or (2) the acid dianhydride has a molar ratio of PMDA/BPDA in a range of 80:20 to 50:50, and the diamine has a molar ratio of ODA/PDA in a range of 30:70 to 90:10.

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    GRAPHITE FILM AND PROCESS FOR PRODUCING GRAPHITE FILM

    그라파이트 필름의 원료인 폴리이미드 필름을 구성하는 산이무수물과 디아민을 적절하게 선택하는 것에 의해, 흑연분의 발생이 적은 그라파이트 필름을 제조할 수 있다. 구체적으로는, (1) 산이무수물이 PMDA, 디아민이 ODA/PDA=100/0∼80/20(몰 비율), 또는 (2) 산이무수물이 PMDA/BPDA=80/20∼50/50(몰 비율), 디아민이 ODA/PDA=30/70∼90/10(몰 비율)에 의해 흑연분의 발생이 적은 그라파이트 필름을 얻을 수 있다.

    A graphite film which is low in graphite dust generation can be produced by properly selecting acid dianhydride and diamine which constitute a polyimide film, which polyimide film is a raw material of the graphite film. Specifically, the graphite film which is low in graphite dust generation can be obtained if (1) the acid dianhydride is PMDA and the diamine has a molar ratio of ODA/PDA in a range of 100:0 to 80:20, or (2) the acid dianhydride has a molar ratio of PMDA/BPDA in a range of 80:20 to 50:50, and the diamine has a molar ratio of ODA/PDA in a range of 30:70 to 90:10.

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    Title:

    GRAPHITE FILM AND PROCESS FOR PRODUCING GRAPHITE FILM

    Additional title:

    그라파이트 필름 및 그라파이트 필름의 제조 방법

    Publication date:

    2018-12-18

    Type of media:

    Patent

    Type of material:

    Electronic Resource

    Language:

    Korean

    Classification:

    IPC:  C01B NON-METALLIC ELEMENTS , Nichtmetallische Elemente / C04B Kalk , LIME / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen

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