JP6036702B2 - 二軸配向ポリアミド系樹脂フィルム、およびその製造方法 - Google Patents
二軸配向ポリアミド系樹脂フィルム、およびその製造方法 Download PDFInfo
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Description
X+Y=100(質量部)・・・(1)
478.74×Mn -0.2989≦Y≦93(質量部)・・・(2)
X+Y=100(質量部)・・・(1)
478.74×Mn -0.2989≦Y≦93(質量部)・・・(2)
東洋精機製作所(株)社製のフィルムインパクトテスターを使用し、温度23℃、相対湿度65%の環境下で10回測定し、その平均値で評価した。
テスター産業(株)社製の恒温槽付ゲルボフレックステスターBE1006を使用し、下記の方法によりピンホール数を測定した。
東洋精機製作所(株)社製の直読ヘイズメーターNo.206を使用し、JIS−K−7105に準拠し測定した。
ヘイズ(%)=〔Td(拡散透過率%)/Tt(全光線透過率%)〕×100で算出した。
押出工程で冷却ロールと接触しない面どうしを合わせて静摩擦係数をJIS−K−7125に準拠し、温度23℃、相対湿度65%RHの環境下で測定した。
フィルムの厚み方向の耐凝集破壊強度を把握するために、ラミネート強度を測定した。
耐ピンホール性評価の説明に記載したラミネートフィルムを幅15mm×長さ100mmの短冊状に切断し、ラミネートフィルムの一端を二軸配向ポリアミド系樹脂フィルムと線状低密度ポリエチレンフィルムとの界面で剥離し、東洋ボールドウィン(株)製テンシロンUMT−II−500型を用い、温度23℃、相対湿度65%RH、引張り速度200mm/分、剥離角度90°の条件下でラミネート強度を5回測定し、その平均値で評価した。
上記短冊状ラミネートフィルムの剥離界面に水をスポイドで垂らしながらラミネート強度を測定した。
耐ピンホール性評価の説明に記載したラミネートフィルムから、12cm×12cm(各辺のシール幅1cm)を2枚切り出し、三方をシールした後、水100mlを充填し、さらにシールして四方シール袋を作製した。95℃×30分の条件で煮沸した後、冷水中に漬け置きフィルムの外観を観察した。
チップAは、回分式重合缶を用い、ε−カプロラクタムの開環重合によって得られたナイロン6〔東洋紡績(株)社製、グラマイド(登録商標)T−810〕であり、相対粘度は、20℃の測定値(96%濃硫酸溶液使用時)で2.8であった。また、ガラス転移温度Tg、低温結晶化温度Tc、および融点Tm(チップを溶融急冷し、粉砕したものを、昇温速度10℃/分とした示差走査型熱量計で測定)は、それぞれ40℃、68℃、および225℃であった。
エラストマーA〜Pは、表2に示すポリアミド系ブロック共重合体組成表に順じて重合した。攪拌機、温度計、トルクメーター、圧力計、窒素ガス導入口、圧力調整装置およびポリマー取り出し口を備えた70リットルの圧力容器に、ハード部としてε-カプロラクタム、γ−ブチロラクタム、またはω−ラウリンラクタム、結合部としてアジピン酸〔宇部興産(株)社製アジピン酸(製品名)〕を下記のポリオキシアルキレングリコールと同モル、ソフト部としてポリオキシテトラメチレングリコール、ポリオキシプロピレングリコール、またはポリオキシエチレングリコールを仕込み、容器内を十分窒素置換した後、窒素ガスを流速300リットル/分で供給しながら徐々に加熱を行った。3時間かけて室温から230℃まで昇温し、230℃で6時間重合を行った。加熱を始めてから容器内の圧力は0.05MPaに調整した。
ダブルコーン型減圧ブレンダーで水分率が0.09質量%となるように調整したポリアミド系樹脂混合物を、コア層用単軸押出機およびスキン層用単軸押出機に供給して溶融させた後、フィードブロックでスキン層A/コア層B/スキン層Aの構成に積層してTダイからシート状に押出し、40℃に温調した冷却ロールに静電密着法で密着させて約200μmの未延伸シートを得た。
表1に示したポリアミド樹脂と、表2に示したポリアミド系ブロック共重合体とを用い、表3のように混合して、上記のフィルム製造方法により、実施例1〜15および比較例1〜10の各二軸配向ポリアミド系樹脂フィルムを得た。
Claims (4)
- ポリアミド樹脂とポリアミド系ブロック共重合体1〜5質量%とを含む二軸配向ポリアミド系樹脂フィルムであって、該ポリアミド系ブロック共重合体は、ハード部が炭素数4〜10の環状ラクタムの残基からなり、ソフト部が数平均分子量1000〜3000のポリオキシプロピレングリコールまたはポリオキシテトラメチレングリコールの残基からなり、かつ前記ハード部の含有量X、並びに前記ソフト部の含有量Yと数平均分子量Mnとが、下記の式(1)および式(2)を満足することを特徴とする二軸配向ポリアミド系樹脂フィルム。
X+Y=100(質量部)・・・(1)
478.74×Mn -0.2989≦Y≦93(質量部)・・・(2) - 前記二軸配向ポリアミド系樹脂フィルムが、エチレンビスステアリン酸アミドを0.05〜0.30質量%含有し、細孔容積が1.0〜1.8ml/g、かつ平均粒子径が2.0〜7.0μmの多孔質凝集シリカを0.3〜0.8質量%含有することを特徴とする請求項1に記載の二軸配向ポリアミド系樹脂フィルム。
- 前記二軸配向ポリアミド系樹脂フィルムの層構成が、単層構成、または2層以上の共押し積層構成であることを特徴とする請求項1または2に記載の二軸配向ポリアミド系樹脂フィルム。
- 請求項1〜3のいずれかに記載のフィルムの製造方法であって、静電密着法で冷却固化したポリアミド系樹脂シートを、縦方向に二段延伸を行い、次いで延伸開始温度より延伸終了温度が高くなるように、横方向に温度差延伸を行い、次いで熱固定処理を行い、次いで初期緩和処理を行い、さらに初期緩和温度より低い温度で再緩和処理を行うことを特徴とする二軸配向ポリアミド系樹脂フィルムの製造方法。
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Application Number | Priority Date | Filing Date | Title |
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JP2011266283 | 2011-12-05 | ||
JP2011266283 | 2011-12-05 | ||
PCT/JP2012/081285 WO2013084845A1 (ja) | 2011-12-05 | 2012-12-03 | 二軸配向ポリアミド系樹脂フィルム、およびその製造方法 |
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US (1) | US10081714B2 (ja) |
JP (1) | JP6036702B2 (ja) |
KR (1) | KR101990166B1 (ja) |
CN (1) | CN103958579B (ja) |
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Families Citing this family (7)
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EP2975079A4 (en) * | 2013-03-11 | 2016-10-12 | Toyo Boseki | BIAXIALLY ORIENTED POLYAMIDE RESIN FILM |
US20160002420A1 (en) * | 2013-03-11 | 2016-01-07 | Toyobo Co., Ltd. | Polyamide-based resin film |
JP6083320B2 (ja) * | 2013-05-24 | 2017-02-22 | 東洋紡株式会社 | ポリアミド系ブロック共重合体 |
EP3127681A4 (en) * | 2014-03-31 | 2017-11-08 | Kuraray Co., Ltd. | Biaxially stretched film and method for manufacturing same, polarizer protective film, decorative film, and layered film |
TWI803697B (zh) * | 2018-10-05 | 2023-06-01 | 日商東洋紡股份有限公司 | 雙軸配向聚醯胺膜以及聚醯胺膜輥 |
CN110165122B (zh) * | 2019-05-15 | 2022-03-04 | 乐凯胶片股份有限公司 | 聚乙烯微孔膜及其制备方法和应用 |
CN111186198B (zh) * | 2019-12-31 | 2022-05-24 | 北京东方雨虹防水技术股份有限公司 | 一种多层复合高分子防水片材及其制备方法 |
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KR910001573B1 (ko) * | 1988-05-04 | 1991-03-16 | 주식회사 에스케이씨 | 폴리-ε-카프로아미드 필름의 제조방법 |
JPH04314741A (ja) * | 1991-04-15 | 1992-11-05 | Toray Ind Inc | ポリアミドフィルム |
JPH05230365A (ja) | 1992-02-24 | 1993-09-07 | Toray Ind Inc | ポリアミドフィルム |
US5817425A (en) | 1995-07-21 | 1998-10-06 | Toyo Boseki Kabushiki Kaisha | Layered polyamide film and method for producing the same |
JP3937246B2 (ja) | 1995-07-24 | 2007-06-27 | 東洋紡績株式会社 | ポリアミド系フィルム積層体 |
JP4172825B2 (ja) | 1995-07-21 | 2008-10-29 | 東洋紡績株式会社 | 積層ポリアミドフィルム |
JPH09143283A (ja) | 1995-11-28 | 1997-06-03 | Toyobo Co Ltd | ポリアミド系樹脂フィルム |
JPH11322974A (ja) | 1998-05-14 | 1999-11-26 | Toyobo Co Ltd | 耐ピンホール性が優れたポリアミド系フイルム |
JP2000025179A (ja) | 1998-07-13 | 2000-01-25 | Toyobo Co Ltd | ガスバリアー性積層ポリアミドフィルム |
JP2002166512A (ja) | 2000-11-30 | 2002-06-11 | Toyobo Co Ltd | 耐屈曲疲労性が優れたポリアミド系フィルム |
JP2002179817A (ja) | 2000-12-12 | 2002-06-26 | Mitsubishi Chemicals Corp | ポリアミド延伸フィルム |
JP4898017B2 (ja) | 2001-05-28 | 2012-03-14 | ユニチカ株式会社 | 2軸延伸ポリアミドフィルム |
JP4658441B2 (ja) | 2002-10-18 | 2011-03-23 | ユニチカ株式会社 | 食品包装用2軸延伸ポリアミドフィルム |
JP4148027B2 (ja) | 2003-05-27 | 2008-09-10 | 宇部興産株式会社 | ポリアミドフィルム |
JP2005194417A (ja) * | 2004-01-08 | 2005-07-21 | Ube Ind Ltd | ポリアミドフィルム |
KR20070009695A (ko) | 2004-05-11 | 2007-01-18 | 토요 보세키 가부시기가이샤 | 폴리아미드계 수지 적층 필름 |
JP2006037070A (ja) * | 2004-06-23 | 2006-02-09 | Ube Ind Ltd | ポリアミド樹脂組成物及びその成形物 |
CN101022941A (zh) * | 2004-08-25 | 2007-08-22 | 东洋纺织株式会社 | 双轴取向聚酰胺类树脂薄膜及其制造方法 |
JP2007015304A (ja) * | 2005-07-08 | 2007-01-25 | Toyobo Co Ltd | ポリアミド系混合樹脂積層フィルムロールの製造方法 |
US20100221554A1 (en) | 2007-11-08 | 2010-09-02 | Unitika Ltd. | Process for producing polyamide resin film and polyamide resin film obtained by the process |
JP5348535B2 (ja) | 2009-03-30 | 2013-11-20 | 東洋紡株式会社 | 積層2軸延伸ポリアミド系フィルム |
JP5446422B2 (ja) * | 2009-04-22 | 2014-03-19 | 東洋紡株式会社 | 積層2軸延伸ポリアミド系フィルム |
JP5353404B2 (ja) | 2009-04-22 | 2013-11-27 | 東洋紡株式会社 | 積層2軸延伸ポリアミド系フィルム |
JP5614537B2 (ja) | 2009-12-01 | 2014-10-29 | 関西ペイント株式会社 | 耐チッピング性塗料組成物 |
JP5564015B2 (ja) | 2011-07-25 | 2014-07-30 | 三井化学株式会社 | チューブおよびチューブの製造方法 |
US10093083B2 (en) | 2011-08-22 | 2018-10-09 | Toyobo Co., Ltd. | Biaxially oriented, laminated polyamide resin film |
WO2014024847A1 (ja) | 2012-08-06 | 2014-02-13 | 株式会社クラレ | 熱可塑性ポリウレタンおよびその組成物 |
EP2975079A4 (en) | 2013-03-11 | 2016-10-12 | Toyo Boseki | BIAXIALLY ORIENTED POLYAMIDE RESIN FILM |
US20160002420A1 (en) | 2013-03-11 | 2016-01-07 | Toyobo Co., Ltd. | Polyamide-based resin film |
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2012
- 2012-12-03 CN CN201280059028.1A patent/CN103958579B/zh not_active Expired - Fee Related
- 2012-12-03 US US14/356,288 patent/US10081714B2/en not_active Expired - Fee Related
- 2012-12-03 KR KR1020147018330A patent/KR101990166B1/ko active IP Right Grant
- 2012-12-03 JP JP2013548225A patent/JP6036702B2/ja active Active
- 2012-12-03 WO PCT/JP2012/081285 patent/WO2013084845A1/ja active Application Filing
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KR101990166B1 (ko) | 2019-06-17 |
KR20140100978A (ko) | 2014-08-18 |
WO2013084845A1 (ja) | 2013-06-13 |
CN103958579B (zh) | 2016-10-26 |
US20140329078A1 (en) | 2014-11-06 |
CN103958579A (zh) | 2014-07-30 |
US10081714B2 (en) | 2018-09-25 |
JPWO2013084845A1 (ja) | 2015-04-27 |
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