JP2016101707A5 - - Google Patents

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Publication number
JP2016101707A5
JP2016101707A5 JP2014241249A JP2014241249A JP2016101707A5 JP 2016101707 A5 JP2016101707 A5 JP 2016101707A5 JP 2014241249 A JP2014241249 A JP 2014241249A JP 2014241249 A JP2014241249 A JP 2014241249A JP 2016101707 A5 JP2016101707 A5 JP 2016101707A5
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Japan
Prior art keywords
laminated film
layer
laminated
resin
film according
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JP2014241249A
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Japanese (ja)
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JP2016101707A (en
JP6476795B2 (en
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Priority to JP2014241249A priority Critical patent/JP6476795B2/en
Priority claimed from JP2014241249A external-priority patent/JP6476795B2/en
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Publication of JP2016101707A5 publication Critical patent/JP2016101707A5/ja
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Claims (6)

結晶性のポリエステル樹脂Ａを主成分とする層（Ａ層）と、非晶性のポリエステル樹脂Ｂとを主成分とする層（Ｂ層）を２層以上積層した積層フィルムであって、ポリエステル樹脂Ａがジカルボン酸成分としてナフタレンジカルボン酸残基を９０モル％以上、ジオール成分としてエチレングリコール残基を９０モル％以上含む樹脂組成物であり、Ａ層中に構成成分として炭素数が４以上のジオール、ジカルボン酸、脂肪族ジオールのうち少なくとも１以上の残基を含む樹脂Ｃを含み、かつフィルムの内部ヘイズが３．０％以下であることを特徴とする積層フィルム。   A laminated film in which two or more layers mainly composed of a crystalline polyester resin A (A layer) and an amorphous polyester resin B (B layer) are laminated. A is a resin composition containing 90 mol% or more of a naphthalenedicarboxylic acid residue as a dicarboxylic acid component and 90 mol% or more of an ethylene glycol residue as a diol component, and a diol having 4 or more carbon atoms as a constituent component in the A layer A laminated film comprising resin C containing at least one residue of dicarboxylic acid and aliphatic diol, and having an internal haze of 3.0% or less. 前記樹脂Ｃのガラス転移点が２０℃以下であることを特徴とする請求項１に記載の積層フィルム。   The laminated film according to claim 1, wherein the resin C has a glass transition point of 20 ° C. or lower. 前記Ａ層と前記Ｂ層を交互に５０層以上積層した構造を有していることを特徴とする請求項１又は２に記載の積層フィルム。 The laminated film according to claim 1, wherein the laminated film has a structure in which the A layer and the B layer are alternately laminated by 50 or more layers. 前記樹脂ＣがＰＢＴおよび／またはＰＢＴとの共重合体であることを特徴とする請求項１〜３のいずれかに記載の積層フィルム。   The said resin C is a copolymer with PBT and / or PBT, The laminated | multilayer film in any one of Claims 1-3 characterized by the above-mentioned. 相対反射率が３０％以上となる反射帯域を少なくとも１つ有する請求項１〜４のいずれかに記載の積層フィルム。   The laminated film according to any one of claims 1 to 4, which has at least one reflection band having a relative reflectance of 30% or more. ９００〜１２００ｎｍの波長範囲において相対反射率が３０％以上となる反射帯域を少なくとも１つ有する請求項１〜５のいずれかに記載の積層フィルム。
The laminated film according to any one of claims 1 to 5, which has at least one reflection band having a relative reflectance of 30% or more in a wavelength range of 900 to 1200 nm.
JP2014241249A 2014-11-28 2014-11-28 Laminated film Active JP6476795B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2014241249A JP6476795B2 (en) 2014-11-28 2014-11-28 Laminated film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014241249A JP6476795B2 (en) 2014-11-28 2014-11-28 Laminated film

Publications (3)

Publication Number Publication Date
JP2016101707A JP2016101707A (en) 2016-06-02
JP2016101707A5 true JP2016101707A5 (en) 2017-10-12
JP6476795B2 JP6476795B2 (en) 2019-03-06

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ID=56087957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014241249A Active JP6476795B2 (en) 2014-11-28 2014-11-28 Laminated film

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JP (1) JP6476795B2 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1148429A (en) * 1997-07-31 1999-02-23 Toyobo Co Ltd Polyester resin multi-layered form
JP2000239502A (en) * 1999-02-23 2000-09-05 Teijin Ltd Polyethylene naphthalate composition
JP2001238780A (en) * 2000-03-01 2001-09-04 Sanshin Kako Kk Multilayer tableware
JP2012173374A (en) * 2011-02-18 2012-09-10 Toray Ind Inc Heat ray reflecting member
WO2013080987A1 (en) * 2011-11-29 2013-06-06 帝人デュポンフィルム株式会社 Biaxially stretched laminated polyester film, infrared-ray-shielding structure for laminated glass which comprises said film, and laminated glass comprising said film or said structure

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