JP2017177679A5 - - Google Patents
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- JP2017177679A5 JP2017177679A5 JP2016071204A JP2016071204A JP2017177679A5 JP 2017177679 A5 JP2017177679 A5 JP 2017177679A5 JP 2016071204 A JP2016071204 A JP 2016071204A JP 2016071204 A JP2016071204 A JP 2016071204A JP 2017177679 A5 JP2017177679 A5 JP 2017177679A5
- Authority
- JP
- Japan
- Prior art keywords
- release
- film
- release film
- resin
- polyester
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011347 resin Substances 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- 229920000728 polyester Polymers 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 5
- 150000001336 alkenes Chemical class 0.000 description 3
- 229920001634 Copolyester Polymers 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- -1 aromatic dicarboxylic acid Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 229920000306 polymethylpentene Polymers 0.000 description 1
- 239000011116 polymethylpentene Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
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を有する離型フィルムであって、前記離型フィルムの３０℃における貯蔵弾性率が１５００ＭＰa以上であり、かつ１００℃における貯蔵弾性率が１０００ＭＰa以下であることを特徴とする離型フィルム。
２． 固体高分子型燃料電池部材成型用途として用いられることを特徴とする上記第１に記載の離型フィルム。
３． １５０℃における貯蔵弾性率が、２０ＭＰａ以上５００ＭＰａ以下であることを特徴とする上記第１又は第２に記載の離型フィルム。
４． 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／ｍ２以下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離型フィルム。
５． ポリエステルフィルムを構成するポリエステルが、共重合ポリエステルを含有することを特徴とする上記第１〜第４のいずれかに記載の離型フィルム。
６． 共重合ポリエステルが、芳香族ジカルボン酸成分と、エチレングリコール及び、分岐状脂肪族グリコール及び／又は脂環族グリコールを含むグリコール成分を構成成分とすることを特徴とする上記第１〜第５のいずれかに記載の離型フィルム。
７． 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〜第６のいずれかに記載の離型フィルム。
８． 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７に記載の離型フィルム。
That is, this invention consists of the following structures.
1. A release film having a release layer on at least one surface of a polyester film, wherein the release film has a storage elastic modulus at 30 ° C of 1500 MPa or more and a storage elastic modulus at 100 ° C of 1000 MPa or less. Release film.
2. The release film as described in the above item 1, which is used for molding a polymer electrolyte fuel cell member.
3. The release film according to the first or second item, wherein the storage elastic modulus at 150 ° C. is 20 MPa or more and 500 MPa or less.
4). The release film according to any one of the first to third aspects, wherein the total value 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.
5. Polyester which comprises a polyester film contains copolyester, The release film in any one of the said 1st-4th characterized by the above-mentioned.
6). Any one of the first to fifth above, wherein the copolymer polyester comprises an aromatic dicarboxylic acid component, ethylene glycol, and a glycol component containing a branched aliphatic glycol and / or an alicyclic glycol. A release film according to claim 1.
7). The release film according to the release layer, the olefin resin, any foregoing first to sixth, characterized in that it comprises at least one resin selected from the full Tsu Motokei resin.
8). 8. The release film as described in 7 above, wherein the olefin resin is cyclic polyolefin or polymethylpentene.
（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離型フィルムを得た。
(Example 5 )
A release film 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離型フィルムを得た。
(Example 6 )
A release film 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離型フィルムを得た。
(Example 7 )
A release film 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 a release by processing in the same manner as in Example 5 A film was obtained.
（実施例９）
乾燥条件を１２０℃３０秒に変更し、乾燥炉内の張力を１２０Ｎ／ｍ（単位は幅１ｍ当たりの張力（Ｎ））に変更した以外は、実施例２と同様に加工することで離型フィルムを得た。
(Example 9 )
Release by changing the drying conditions to 120 ° C for 30 seconds and changing the tension in the drying furnace to 120 N / m (unit: tension per 1 m width (N)). A film was obtained.
Claims (1)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016071204A JP6790421B2 (en) | 2016-03-31 | 2016-03-31 | Release film |
| JP2020077439A JP6988947B2 (en) | 2016-03-31 | 2020-04-24 | Release film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016071204A JP6790421B2 (en) | 2016-03-31 | 2016-03-31 | Release film |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020077439A Division JP6988947B2 (en) | 2016-03-31 | 2020-04-24 | Release film |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2017177679A JP2017177679A (en) | 2017-10-05 |
| JP2017177679A5 true JP2017177679A5 (en) | 2018-02-08 |
| JP6790421B2 JP6790421B2 (en) | 2020-11-25 |
Family
ID=60003292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016071204A Active JP6790421B2 (en) | 2016-03-31 | 2016-03-31 | Release film |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6790421B2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018178106A (en) * | 2017-04-06 | 2018-11-15 | 積水化学工業株式会社 | Release film |
| WO2019188327A1 (en) * | 2018-03-29 | 2019-10-03 | 東洋紡株式会社 | Antifouling film equipped with protective film and method for manufacturing same |
| WO2019244448A1 (en) * | 2018-06-22 | 2019-12-26 | 株式会社コバヤシ | Mold-release film and production method for mold-release film |
| JP6705535B1 (en) * | 2018-12-07 | 2020-06-03 | 住友ベークライト株式会社 | Film set for attaching functional layers and insulating film |
| JP6705541B1 (en) * | 2018-12-07 | 2020-06-03 | 住友ベークライト株式会社 | Film set for attaching functional layers and insulating film |
| JP7088117B2 (en) | 2019-04-09 | 2022-06-21 | トヨタ自動車株式会社 | Manufacturing method of membrane electrode assembly for fuel cell |
| JP2021136074A (en) | 2020-02-24 | 2021-09-13 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツングRobert Bosch Gmbh | Transfer sheet, transfer method, and manufacturing method of membrane electrode assembly |
| JP6809624B1 (en) * | 2020-03-10 | 2021-01-06 | 住友ベークライト株式会社 | Film set for attaching functional layers and insulating film |
| TW202323014A (en) * | 2021-10-12 | 2023-06-16 | 日商東洋紡股份有限公司 | Biaxially oriented polyester film |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011173298A (en) * | 2010-02-24 | 2011-09-08 | Toray Ind Inc | Laminated film with high mold releasability |
| JP5664189B2 (en) * | 2010-12-07 | 2015-02-04 | 東洋紡株式会社 | Polyester resin film for mold release |
| JP6087647B2 (en) * | 2013-02-06 | 2017-03-01 | 株式会社ダイセル | Release film, production method thereof, and use thereof |
-
2016
- 2016-03-31 JP JP2016071204A patent/JP6790421B2/en active Active
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