MOISTURE-CURABLE HOT-MELT ADHESIVE, BOOK PREPARED WITH THE ADHESIVE, AND METHOD FOR PRODUCING BOOK

To provide a moisture-curable hot-melt adhesive that is excellent in coatability, cutting suitability, spreadability, bookbinding strength as well as deformation resistance.SOLUTION: A moisture-curable hot-melt adhesive contains a urethane polymer having an isocyanate group obtained by the reaction...

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Bibliographische Detailangaben
Hauptverfasser:	HIGURE HAJIME, KUBOTA IKUO, SASAKI YUSUKE
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES BOOK COVERS BOOKBINDING CHEMISTRY DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR DYES FILES LOOSE LEAVES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MOVABLE-STRIP WRITING OR READING APPARATUS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS PERFORMING OPERATIONS POLISHES PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR SPECIAL PRINTED MATTER TRANSPORTING USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	To provide a moisture-curable hot-melt adhesive that is excellent in coatability, cutting suitability, spreadability, bookbinding strength as well as deformation resistance.SOLUTION: A moisture-curable hot-melt adhesive contains a urethane polymer having an isocyanate group obtained by the reaction of a polyol compound (A) and a polyisocyanate (B). The polyol compound (A) has crystalline polyester polyol (a1) obtained by condensation polymerization of a C8-16 linear polycarboxylic acid and a linear polyol, polypropyleneglycol (a2), and polyethylene glycol (a3).SELECTED DRAWING: None 【課題】塗工性、断裁適性、見開き性、製本強度に加えて、耐変形性に優れる湿気硬化型ホットメルト接着剤を提供すること。【解決手段】ポリオール化合物（Ａ）と、ポリイソシアネート（Ｂ）とを反応させてなるイソシアネート基を有するウレタンポリマーを含有する湿気硬化型ホットメルト接着剤であって、前記ポリオール化合物（Ａ）が、炭素数が８〜１６の直鎖ポリカルボン酸と直鎖ポリオールとを縮合重合させてなる結晶性ポリエステルポリオール（ａ１）、ポリプロピレングリコール（ａ２）、及びポリエチレングリコール（ａ３）を含む、湿気硬化型ホットメルト接着剤。【選択図】なし