POLYOL COMPOSITION, URETHANE CURED PRODUCT AND URETHANE ADHESIVE

• Main Authors: SHIMIZU YOSHIHISA, YAMAMOTO TOSHIHIDE
• Format: Patent
• Language: English; Japanese
• Published: 01.02.2024
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

To provide a polyol composition that exhibits superior curability irrespective of polyol type, thickness, or curing temperature, contributing to polyurethane formation with exceptional moisture and heat resistance, a urethane cured product prepared with the polyol composition, and a urethane adhesive composed of the urethane cured product.SOLUTION: A polyol composition (F) comprises a polyol (A), a triazole derivative (C), and a hindered phenolic compound (D) with a molecular weight of 250 or more and 1000 or less.SELECTED DRAWING: None 【課題】ポリオール種や厚み、硬化温度等に係らず良好な硬化性を有し、耐湿熱耐久性が顕著に良好なポリウレタンの形成に資するポリオール組成物、該ポリオール組成物を用いて得られるウレタン硬化物、該ウレタン硬化物からなるウレタン粘着剤を提供することに向けられている。【解決手段】ポリオール（Ａ）、トリアゾール誘導体（Ｃ）、分子量２５０以上１０００以下のヒンダードフェノール化合物（Ｄ）を含むポリオール組成物（Ｆ）【選択図】 なし