DOPE, FILM, AND FILM MANUFACTURING METHOD

To provide a technology that combines an ultraviolet absorber having excellent light transmission suppression property at wavelengths around 400 nm and a (meth)acrylic polymer having a ring structure in the main chain without adversely affecting light transmission suppression property or film appear...

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Bibliographische Detailangaben
Hauptverfasser:	IMOTO SHINYA, KITAMURA MICHIAKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADVERTISING AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION GENERAL PROCESSES OF COMPOUNDING LABELS OR NAME-PLATES METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS SEALS SIGNS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	To provide a technology that combines an ultraviolet absorber having excellent light transmission suppression property at wavelengths around 400 nm and a (meth)acrylic polymer having a ring structure in the main chain without adversely affecting light transmission suppression property or film appearance.SOLUTION: Provided is a dope, which is a dope containing a (meth)acrylic polymer having a ring structure in the main chain and a sulfur atom-containing ultraviolet absorber, and in which the contained amount of the ultraviolet absorber is 0.5 pts.mass or more and 6 pts.mass or less for 100 pts.mass of (meth)acrylic polymer.SELECTED DRAWING: None 【課題】本発明は、波長４００ｎｍ付近の光透過抑制性に優れた紫外線吸収剤と、主鎖に環構造を有する（メタ）アクリル系重合体とを、光透過抑制性やフィルム外観に悪影響を与えることなく組み合わせる技術を提供することを目的とする。【解決手段】主鎖に環構造を有する（メタ）アクリル系重合体と硫黄原子を含む紫外線吸収剤とを含むドープであって、紫外線吸収剤の含有量が、（メタ）アクリル系重合体１００質量部に対して、０．５質量部以上６質量部以下であるドープ。【選択図】なし