JP2017126455A5

JP2017126455A5 -

Info

Publication number: JP2017126455A5
Application number: JP2016004411A
Authority: JP
Filing date: 2016-01-13
Publication date: 2018-02-01
Anticipated expiration: 2036-01-13

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離型層が積層されている離型フィルムであって、１６０℃で３０分熱処理した後の熱収縮率が０．８％以下であり、かつ１５０℃３０分熱処理前後のフィルムヘイズの変化量△Ｈｚ_１５０（△Ｈｚ_１５０＝熱処理後ヘイズ−熱処理前ヘイズ）が１．０％以下であることを特徴とする固体高分子型燃料電池部材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部材成型用離型フィルム。
３．離型層が、オレフィン系樹脂、フッ素系樹脂から選ばれる少なくとも１種の樹脂を含む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部材成型用離型フィルム。
４．オレフィン系樹脂が、環状ポリオレフィン又はポリメチルペンテンであることを特徴とする上記第３に記載の固体高分子型燃料電池部材成型用離型フィルム。
５．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^２以下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部材成型用離型フィルム。 That is, this invention consists of the following structures.
1. A release film in which a release layer is laminated on at least one side of a polyester film, the heat shrinkage ratio after heat treatment at 160 ° C. for 30 minutes is 0.8% or less, and before and after heat treatment at 150 ° C. for 30 minutes A release film for molding a polymer electrolyte fuel cell member having a change amount ΔHz ₁₅₀ (ΔHz ₁₅₀ = haze after heat treatment−haze before heat treatment) of 1.0% or less.
2. 2. The release film for molding a polymer electrolyte fuel cell member according to the first aspect, wherein the polyester film is a polyethylene terephthalate film.
3. Releasing layer, an olefin resin, full Tsu at least one solid polymer fuel cell components for molding release film according to the first or second, characterized in that it comprises a resin selected from Motokei resin .
4). The release film for molding a polymer electrolyte fuel cell member according to the third aspect, wherein the olefin resin is cyclic polyolefin or polymethylpentene.
5). 5. The solid polymer fuel cell as described in any one of 1 to 4 above, wherein the sum of the polar component of the surface free energy on the surface of the release layer and the hydrogen bonding component is 8 mJ / m ² or less. Release film for molding members.

（離型層）
本発明では、前記ポリエステルフィルムの少なくとも片面に離型層を設けることが必要である。離型層に用いる樹脂としては特に限定されないが、オレフィン系樹脂およびフッ素系樹脂の少なくとも１種類以上を含むことが好ましい。これらの離型層は、コーティングによりポリエステルフィルム上に設けることが好ましい形態である。 (Release layer)
In the present invention, it is necessary to provide a release layer on at least one surface of the polyester film. No particular limitation is imposed on the resin used for the release layer, but preferably comprising at least one or more kinds of olefin resin and off Tsu Motokei resin. These release layers are preferably provided on the polyester film by coating.

（実施例５）
ポリエステルフィルムＢに離型剤Ａ−２を塗工した以外は、実施例１と同様に加工することで固体高分子型燃料電池部材成型用離型フィルムを得た。 (Example 5 )
A release film for molding a polymer electrolyte fuel cell member was obtained by processing in the same manner as in Example 1 except that the release agent A-2 was applied to the polyester film B.

（実施例６）
乾燥温度を１３０℃に変更した以外は、実施例５と同様に加工することで固体高分子型燃料電池部材成型用離型フィルムを得た。 (Example 6 )
A release film for molding a polymer electrolyte fuel cell member was obtained by processing in the same manner as in Example 5 except that the drying temperature was changed to 130 ° C.

（実施例７）
乾燥温度を１５０℃に変更した以外は、実施例５と同様に加工することで固体高分子型燃料電池部材成型用離型フィルムを得た。 (Example 7 )
A release film for molding a polymer electrolyte fuel cell member was obtained by processing in the same manner as in Example 5 except that the drying temperature was changed to 150 ° C.

（実施例８）
乾燥条件を１７５℃７５秒に変更し、乾燥炉内の張力を１２Ｎ／ｍ（単位は幅１ｍ当たりの張力（Ｎ））に変更した以外は、実施例５と同様に加工することで固体高分子型燃料電池部材成型用離型フィルムを得た。 (Example 8 )
Drying conditions were changed to 175 ° C. 75 sec, 12N / m to tension in the drying oven (in tension (N) per a width 1m) was changed to, solid high by processing in the same manner as in Example 5 A release film for molding a molecular fuel cell member was obtained.

（実施例９）
幅１０００ｍｍ、厚み５０μｍのポリエステルフィルムＤの片方面にグラビアコート法にて乾燥後の膜厚が５００ｎｍになるようにオリゴマー析出防止剤Ａを塗工後、９０℃で３０秒乾燥し、無電極ランプ（フュージョン株式会社製Ｈバルブ）にて紫外線照射（３００mJ/cm²）を行った。その後、反対面に離型剤Ａ−２をグラビアコート法にて乾燥後の膜厚で１００ｎｍになるように塗工し、１７０℃で９秒間乾燥させた。このとき乾燥炉内の張力は４０Ｎ/ｍ（単位は幅１ｍ当たりの張力（Ｎ））になるように調整し、アニール処理も同時に行うことで、固体高分子型燃料電池部材成型用離型フィルムを得た。 (Example 9 )
An oligomer precipitation inhibitor A is applied to one side of a polyester film D having a width of 1000 mm and a thickness of 50 μm by a gravure coating method so that the film thickness after drying becomes 500 nm, followed by drying at 90 ° C. for 30 seconds, an electrodeless lamp Irradiation with ultraviolet rays (300 mJ / cm ² ) was performed using (H bulb manufactured by Fusion Co., Ltd.). Thereafter, release agent A-2 was applied to the opposite surface by a gravure coating method so that the film thickness after drying was 100 nm, and dried at 170 ° C. for 9 seconds. At this time, the tension in the drying furnace is adjusted to 40 N / m (unit: tension per meter width (N)), and annealing treatment is performed at the same time, so that the release film for molding a polymer electrolyte fuel cell member Got.

Claims

Releasing layer, an olefin resin, at least one solid polymer fuel cell components for molding release film according to claim 1 or 2, characterized in that it comprises a resin selected from the full Tsu Motokei resin.