CURABLE RESIN COMPOSITION, RESIN MOLDED BODY AND METHOD FOR PRODUCING RESIN MOLDED BODY

• Main Authors: NISHIJIMA, Satoshi, TANABE, Tomoaki
• Format: Patent
• Language: English; French; Japanese
• Published: 19.03.2020
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; GENERAL PROCESSES OF COMPOUNDING; MACHINES FOR MAKING RAILWAYS OF ALL KINDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERMANENT WAY; PERMANENT-WAY TOOLS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING-UP

The present invention provides a curable resin composition which enables the achievement of a resin molded body that has excellent wear resistance and a high bending modulus of elasticity. A curable resin composition according to the present invention contains a polyol compound, an isocyanate compound, reinforcing filaments and a filler; the filler has a specific gravity of less than 4; and the filler has an average circularity of 0.65 or more. La présente invention concerne une composition de résine durcissable qui permet d'obtenir un corps moulé en résine qui présente une excellente résistance à l'usure et un module d'élasticité de flexion élevé. Une composition de résine durcissable selon la présente invention contient un composé polyol, un composé isocyanate, des filaments de renforcement et une charge; la charge a une gravité spécifique inférieure à 4; et la charge a une circularité moyenne de 0,65 ou plus. 耐摩耗性に優れ、かつ高い曲げ弾性率を有する樹脂成形体を得ることができる硬化性樹脂組成物を提供する。　本発明に係る硬化性樹脂組成物は、ポリオール化合物と、イソシアネート化合物と、強化長繊維と、充填材とを含み、前記充填材の比重が４未満であり、前記充填材の平均円形度が０．６５以上である。