JP2017111865A5 - - Google Patents

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JP2017111865A5
JP2017111865A5 JP2015243198A JP2015243198A JP2017111865A5 JP 2017111865 A5 JP2017111865 A5 JP 2017111865A5 JP 2015243198 A JP2015243198 A JP 2015243198A JP 2015243198 A JP2015243198 A JP 2015243198A JP 2017111865 A5 JP2017111865 A5 JP 2017111865A5
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Japan
Prior art keywords
resin
release
film
molding
fuel cell
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JP2015243198A
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JP7133893B2 (en
JP2017111865A (en
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Priority claimed from JP2015243198A external-priority patent/JP7133893B2/en
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Publication of JP2017111865A5 publication Critical patent/JP2017111865A5/ja
Priority to JP2021181717A priority patent/JP7251596B2/en
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Description

即ち、本発明は、以下の構成よりなる。
1. ポリエステルフィルムの少なくとも片面に帯電防止層、離型層の順に積層されている離型フィルムであって、離型フィルム表面の表面固有抵抗が1×1011Ω/□以下であることを特徴とする固体高分子型燃料電池成型用離型フィルム。
2. ポリエステルフィルムが、ポリエチレンテレフタレートフィルムであることを特徴とする上記第1に記載の固体高分子型燃料電池成型用離型フィルム。
3. 離型層表面の表面自由エネルギーの極性成分と水素結合成分を合計した値が8mJ/m以下であることを特徴とする上記第1または第2に記載の固体高分子型燃料電池成型用離型フィルム。
4. 離型層に含まれる樹脂の少なくとも一つがガラス転移温度130℃以上であることを特徴とする上記第1〜第3のいずれかに記載の固体高分子型燃料電池成型用離型フィルム。
5. 離型層に含まれる樹脂が、環状ポリオレフィン系の樹脂であることを特徴とする上記第1〜第4のいずれかに記載の固体高分子型燃料電池成型用離型フィルム。
6. 離型層にナノ粒子を含むことを特徴とする上記第1〜第5のいずれかに記載の固体高分子型燃料電池成型用離型フィルム。
7. 160℃における熱収縮率が0.8%以下であることを特徴とする上記第1〜第6のいずれかに記載の固体高分子型燃料電池成型用離型フィルム。
That is, this invention consists of the following structures.
1. A release film in which an antistatic layer and a release layer are laminated in this order on at least one surface of a polyester film, and the surface resistivity of the release film surface is 1 × 10 11 Ω / □ or less. Release film for molding polymer electrolyte fuel cells.
2. 2. The release film for molding a polymer electrolyte fuel cell as described in the above item 1, wherein the polyester film is a polyethylene terephthalate film.
3. 3. The solid polymer type fuel cell molding release according to the above 1 or 2, wherein the sum of the polar component of the surface free energy on the surface of the release layer and the hydrogen bond component is 8 mJ / m 2 or less. Mold film.
4). 4. The release film for molding a polymer electrolyte fuel cell according to any one of the first to third aspects, wherein at least one of the resins contained in the release layer has a glass transition temperature of 130 [deg.] C. or higher.
5. Resin contained in the releasing layer, a polymer electrolyte fuel cell for molding release film according to any one of the first to fourth, which is a resin of the cyclic polyolefin.
6). The release film for molding a polymer electrolyte fuel cell according to any one of the first to fifth aspects, wherein the release layer contains nanoparticles.
7). The release film for molding a polymer electrolyte fuel cell according to any one of the first to sixth aspects, wherein a heat shrinkage rate at 160 ° C. is 0.8% or less.

本発明の離型フィルムの離型層に含まれる樹脂(A)としては、オレフィン系樹脂およびフッ素系樹脂から選ばれるものであることが好ましい。また、これらの離型層は、前記のような樹脂(A)を含む塗布液がコーティングされることによりポリエステルフィルム上に設けられることが好ましい形態である。 The resin (A) contained in the release layer of the release film of the present invention, it is preferably those selected from an olefinic resin and off Tsu Motokei resin. Moreover, it is a preferable form that these release layers are provided on a polyester film by coating the coating liquid containing the resin (A) as described above.

本発明の離型フィルムの離型層に用いる樹脂(A)のガラス転移温度(Tg)は、耐熱性の観点から130℃以上あることが好ましく、150℃以上であることがより好ましい。樹脂(A)のガラス転移温度(Tg)は高いことが好ましく、例えば、350℃程度と言え、300℃以下でも構わない。そして、樹脂(A)の材質としては、上記のような環状ポリオレフィン系の樹脂であることが特に好ましい。 The glass transition temperature (Tg) of the resin (A) used for the release layer of the release film of the present invention is preferably 130 ° C. or higher and more preferably 150 ° C. or higher from the viewpoint of heat resistance. The glass transition temperature (Tg) of the resin (A) is preferably high, for example, about 350 ° C., and may be 300 ° C. or less. Then, as the material for the resin (A), the it is particularly preferably a cyclic polyolefin resin as described above.

(比較例
帯電防止層をポリエステルフィルムの離型層を塗工する面とは反対側に設けたこと以外は実施例2と同様にして固体高分子型燃料電池部材成型用離型フィルムを得た。
(Comparative Example 2 )
A release film for molding a polymer electrolyte fuel cell member was obtained in the same manner as in Example 2 except that the antistatic layer was provided on the side opposite to the surface on which the release layer of the polyester film was applied.




Claims (1)

離型層に含まれる樹脂が、環状ポリオレフィン系の樹脂であることを特徴とする請求項1〜4のいずれかに記載の固体高分子型燃料電池成型用離型フィルム。 Resin contained in the releasing layer, a polymer electrolyte fuel cell for molding release film according to any one of the preceding claims, characterized in that a resin of the cyclic polyolefin.
JP2015243198A 2015-12-14 2015-12-14 Release film for molding polymer electrolyte fuel cell components Active JP7133893B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2015243198A JP7133893B2 (en) 2015-12-14 2015-12-14 Release film for molding polymer electrolyte fuel cell components
JP2021181717A JP7251596B2 (en) 2015-12-14 2021-11-08 Release film for molding polymer electrolyte fuel cell components

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015243198A JP7133893B2 (en) 2015-12-14 2015-12-14 Release film for molding polymer electrolyte fuel cell components

Related Child Applications (1)

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JP2021181717A Division JP7251596B2 (en) 2015-12-14 2021-11-08 Release film for molding polymer electrolyte fuel cell components

Publications (3)

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JP2017111865A JP2017111865A (en) 2017-06-22
JP2017111865A5 true JP2017111865A5 (en) 2018-02-08
JP7133893B2 JP7133893B2 (en) 2022-09-09

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
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JP6967128B1 (en) * 2020-08-26 2021-11-17 株式会社ダイセル Laminated film and its manufacturing method and fuel cell manufacturing method
JP7530041B2 (en) 2020-09-03 2024-08-07 東洋紡株式会社 Release film for producing anisotropic conductive film, and method for producing anisotropic conductive film
TW202423689A (en) * 2022-09-01 2024-06-16 日商Agc股份有限公司 Laminate, method for manufacturing same, and method for manufacturing semiconductor package

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