FILM LAMINATE

To provide a film laminate which has high versatility, and uses a polyester layer (X) having excellent low dielectric characteristics and transparency as a constituent member.SOLUTION: A film laminate has a polyester layer (X) and a resin layer (Y), and has light transmittance at a wavelength of 380...

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Bibliographic Details
Main Authors IWAMOTO EMI, SUZUKI TOMOHIRO
Format Patent
LanguageEnglish
Japanese
Published 18.01.2023
Subjects
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
TRANSPORTING
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Summary:To provide a film laminate which has high versatility, and uses a polyester layer (X) having excellent low dielectric characteristics and transparency as a constituent member.SOLUTION: A film laminate has a polyester layer (X) and a resin layer (Y), and has light transmittance at a wavelength of 380 nm of 20% or less, wherein the polyester layer (X) has a laminated structure having two or more layers, and has a layer A containing polybutylene naphthalate in at least one surface layer.SELECTED DRAWING: None 【課題】汎用性が高く、優れた低誘電特性及び透明性を有するポリエステル層（Ｘ）を構成部材とするフィルム積層体を提供することにある。【解決手段】ポリエステル層（Ｘ）と、樹脂層（Ｙ）とを備え、波長３８０ｎｍにおける光線透過率が２０％以下であり、前記ポリエステル層（Ｘ）は、２層以上の積層構成を有し、少なくとも一方の表層に、ポリブチレンナフタレートを含む層Ａを有する、フィルム積層体。【選択図】なし
Bibliography:Application Number: JP20210108093