Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
DECORATIVE SHEET FOR RECOAT AND COLORING METHOD OF DECORATIVE SHEET THEREWITH
To provide a decorative sheet for recoat that has excellent staynability and is excellent also in surface characteristics such as water resistance, and a coloring method of the decorative sheet therewith.SOLUTION: A decorative sheet for recoat comprises a paper substrate, an adhesive layer, a non-woven fabric layer, and a surface layer constituted of a cured material of a composition containing a polyol compound having a hydroxyl group in one molecule and an isocyanate curing agent in this order, in which the non-woven fabric layer partially has, on a surface side on which the adhesive layer is provided in a thickness direction in the layer is provided, a filling layer A formed by filling a resin that forms the adhesive layer on a part of voids of fibers constituting the non-woven fabric, and on a surface side provided with the surface layer in the thickness direction in the layer, a filling part B formed by filling the cured material in a part of void of fibers constituting the non-woven fabric, in which a content of remaining hydroxyl groups contained in the surface layer and a ratio of an amount of isocyanate groups in the isocyanate curing agent, and an amount of hydroxyl groups in the polyol compound are in a predetermined range, and a coloring method of the decorative sheet therewith is also provided.SELECTED DRAWING: Figure 1
【課題】優れたステイナブル性を有するとともに、耐水性等の表面特性にも優れるリコート用化粧シート、及びこれを用いた化粧シートの着色方法を提供する。【解決手段】紙基材、接着層、不織布層、及び分子中に水酸基を有するポリオール化合物とイソシアネート硬化剤とを含む組成物の硬化物により構成される表面層を順に備え、前記不織布層は、層内の厚み方向の前記接着層が設けられた面側において、前記不織布層を構成する繊維の空隙の一部に前記接着層を形成する樹脂が充填してなる充填部Ａと、層内の厚み方向の前記表面層が設けられた面側において、前記不織布層を構成する繊維の空隙の一部に前記硬化物が充填してなる充填部Ｂと、を部分的に有し、前記表面層に含まれる残存水酸基の含有量及びイソシアネート硬化剤中のイソシアネート基量と、前記ポリオール化合物中の水酸基量と、の比率が所定範囲内であるリコート用化粧シート、並びにこれを用いた化粧シートの着色方法である。【選択図】図１
DECORATIVE SHEET FOR RECOAT AND COLORING METHOD OF DECORATIVE SHEET THEREWITH
To provide a decorative sheet for recoat that has excellent staynability and is excellent also in surface characteristics such as water resistance, and a coloring method of the decorative sheet therewith.SOLUTION: A decorative sheet for recoat comprises a paper substrate, an adhesive layer, a non-woven fabric layer, and a surface layer constituted of a cured material of a composition containing a polyol compound having a hydroxyl group in one molecule and an isocyanate curing agent in this order, in which the non-woven fabric layer partially has, on a surface side on which the adhesive layer is provided in a thickness direction in the layer is provided, a filling layer A formed by filling a resin that forms the adhesive layer on a part of voids of fibers constituting the non-woven fabric, and on a surface side provided with the surface layer in the thickness direction in the layer, a filling part B formed by filling the cured material in a part of void of fibers constituting the non-woven fabric, in which a content of remaining hydroxyl groups contained in the surface layer and a ratio of an amount of isocyanate groups in the isocyanate curing agent, and an amount of hydroxyl groups in the polyol compound are in a predetermined range, and a coloring method of the decorative sheet therewith is also provided.SELECTED DRAWING: Figure 1
【課題】優れたステイナブル性を有するとともに、耐水性等の表面特性にも優れるリコート用化粧シート、及びこれを用いた化粧シートの着色方法を提供する。【解決手段】紙基材、接着層、不織布層、及び分子中に水酸基を有するポリオール化合物とイソシアネート硬化剤とを含む組成物の硬化物により構成される表面層を順に備え、前記不織布層は、層内の厚み方向の前記接着層が設けられた面側において、前記不織布層を構成する繊維の空隙の一部に前記接着層を形成する樹脂が充填してなる充填部Ａと、層内の厚み方向の前記表面層が設けられた面側において、前記不織布層を構成する繊維の空隙の一部に前記硬化物が充填してなる充填部Ｂと、を部分的に有し、前記表面層に含まれる残存水酸基の含有量及びイソシアネート硬化剤中のイソシアネート基量と、前記ポリオール化合物中の水酸基量と、の比率が所定範囲内であるリコート用化粧シート、並びにこれを用いた化粧シートの着色方法である。【選択図】図１
DECORATIVE SHEET FOR RECOAT AND COLORING METHOD OF DECORATIVE SHEET THEREWITH
リコート用化粧シート及びこれを用いた化粧シートの着色方法
SUGITA NATSUO (Autor:in) / SAITO TAKAHO (Autor:in) / FUJII HIROKI (Autor:in) / SAKURAI REIKO (Autor:in)
11.10.2021
Patent
Elektronische Ressource
Japanisch
IPC:
B32B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
,
Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse
/
E04F
FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
,
Ausbau von Bauwerken, z.B. Treppen, Fußböden
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