HOT MELT COMPOSITION

• Main Authors: DOBASHI MASAAKI, CHIKUNO SHINGO, MORISHITA TAKESHIGE, SHIRAI KOJI
• Format: Patent
• Language: English; Japanese
• Published: 24.06.2019
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

To provide a hot melt composition high in form maintenance at a high temperature, excellent in balance of adhesiveness to a substrate and release mold property, hardly generating sagging, less in a volatile component, and excellent in hygiene aspect.SOLUTION: The invention relates to a hot melt composition containing (A) a thermoplastic block copolymer which is a copolymer between a vinyl aromatic hydrocarbon and conjugated diene compound, (B1) a hydrocarbon liquid softening agent containing a hydrocarbon oil having aniline point of 135°C, and (C) a wax modified by carboxylic acid and/or carboxylic acid anhydride.SELECTED DRAWING: None 【課題】高温での形態維持性が高く、基材への接着性および離形性のバランスに優れ、タレが生じにくく、かつ揮発分が少なくて衛生面に優れたホットメルト組成物を提供する。【解決手段】本発明は、（Ａ）ビニル系芳香族炭化水素と共役ジエン化合物との共重合体である熱可塑性ブロック共重合体、（Ｂ１）アニリン点１３５℃以上の炭化水素系オイルを含む炭化水素系液状軟化剤、ならびに（Ｃ）カルボン酸及び／又はカルボン酸無水物で変性されたワックスを含むホットメルト組成物に関する。【選択図】なし