POLYESTER POLYOL, COATING MATERIAL, AND PACKAGING MATERIAL

PROBLEM TO BE SOLVED: To provide polyester polyol that has an excellent capability of improving the oxygen barrier property and water vapor barrier property in various vapor-deposited films, and can make barrier film excellent in anti-blocking property, and to provide a non-aqueous coating material;...

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Bibliographische Detailangaben
Hauptverfasser:	TAKEDA HIROYUKI, KAI HIDETOMO, NAKAJIMA MICHIYA, AKIBA KUMIKO, KUBOTA KAZUOMI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INKS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide polyester polyol that has an excellent capability of improving the oxygen barrier property and water vapor barrier property in various vapor-deposited films, and can make barrier film excellent in anti-blocking property, and to provide a non-aqueous coating material; and to further provide a barrier film having said coating material applied thereon, and to provide a packaging material comprising said film.SOLUTION: Provided is a polyester polyol (A) containing a reaction product of an acid component containing an ortho-oriented aromatic dicarboxylic acid or an acid anhydride thereof as an essential component and a polyhydric alcohol, and in which the polyhydric alcohol contains a dihydric alcohol and a trihydric alcohol, and the polyester polyol (A) has a glass transition temperature of 5-40°C, and a hydroxyl value of 150-300 mg KOH/g.SELECTED DRAWING: None 【課題】各種蒸着フィルムでの酸素バリア性及び水蒸気バリア性の向上能力に優れ、且つ耐ブロッキング性に優れたバリア性フィルムの作製が可能なポリエステルポリオール、及び非水系コーティング材を提供することにある。加えて、該コーティング材を塗布したバリア性フィルム及び該フィルムからなる包装材を提供すること。【解決手段】オルト配向芳香族ジカルボン酸又はその酸無水物を必須の成分とする酸成分と多価アルコールとの反応物を含有するポリエステルポリオール（Ａ）であって、多価アルコールが、２価アルコールと３価アルコールを含有するものであり、前記ポリエステルポリオール（Ａ）のガラス転移点が５〜４０℃、水酸基価が１５０〜３００ｍｇＫＯＨ／ｇである、ポリエステルポリオール（Ａ）による。【選択図】なし