PELLET, MOLDED ARTICLE, AND METHOD FOR MANUFACTURING PELLET

• Main Authors: TAKASHIMA SHOICHI, SASAKA RYO
• Format: Patent
• Language: English; Japanese
• Published: 22.05.2023
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

To provide: a pellet with which it is possible to provide a molded article including a polycarbonate resin, recycled carbon fibers and an inorganic filler and having mechanical strength close to that obtained by blending the same amount of a virgin carbon fiber; a molded article; and a method for manufacturing a pellet.SOLUTION: A pellet is formed of a composition including 5-40 pts.mass of recycled carbon fibers that are a heated product of a carbon fiber-reinforced resin, and 5-40 pts.mass of an inorganic filler relative to 100 pts.mass of a polycarbonate resin whose amount of terminal hydroxyl group is 150-800 ppm.SELECTED DRAWING: None 【課題】 ポリカーボネート樹脂とリサイクル炭素繊維と無機充填剤を含む成形品であって、同量のバージン炭素繊維を配合した場合に近い機械的強度を有する成形品を提供可能なペレット、成形品、ペレットの製造方法の提供。【解決手段】 末端水酸基量が１５０～８００ｐｐｍであるポリカーボネート樹脂１００質量部に対し、炭素繊維強化樹脂の加熱物であるリサイクル炭素繊維５～４０質量部と、無機充填剤５～４０質量部を含む組成物から形成されたペレット。【選択図】 なし