RESIN COMPOSITION AND MOLDED ARTICLE OF THE SAME

• Main Authors: NOMURA KEIICHIRO, MUKAI KOJI, OCHIAI SHINICHIRO
• Format: Patent
• Language: English; Japanese
• Published: 09.02.2023
• Subjects: ADDITIVE MANUFACTURING TECHNOLOGY; ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING; 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 fiber-reinforced resin which enables improvement of the energy absorption property thereof in high temperature and low temperature environments, and furthermore enables suppression of amount of deformation of a member against impact.SOLUTION: A resin composition is provided, obtained by blending at least polyamide (A), polyrotaxane (B) whose cyclic molecules are modified with a graft chain having a hydroxyl group at a terminal, a laminar silicate (C) and a fibrous filler (D), wherein with respect to 100 pts.wt. of the polyamide (A), the polyrotaxane (B), the laminar silicate (C) and the fibrous filler (D), 0.1 pts.wt. or more and 10 pts.wt. or less of the polyrotaxane (B) and 0.1 pts.wt. or more and 10 pts.wt. or less of the laminar silicate (C) are blended.SELECTED DRAWING: None 【課題】高温および低温環境におけるエネルギー吸収性を向上させながら、衝撃に対する部材変形量を抑えることができる繊維強化樹脂を提供すること。【解決手段】少なくともポリアミド（Ａ）、水酸基を末端に有するグラフト鎖により環状分子が修飾されたポリロタキサン（Ｂ）、層状珪酸塩（Ｃ）、および繊維状充填材（Ｄ）を配合してなる樹脂組成物であって、前記ポリアミド（Ａ）、ポリロタキサン（Ｂ）、層状珪酸塩（Ｃ）、および繊維状充填材（Ｄ）の合計１００重量部に対して、前記ポリロタキサン（Ｂ）を０．１重量部以上１０重量部以下、前記層状珪酸塩（Ｃ）を０．１重量部以上１０重量部以下配合してなる樹脂組成物。【選択図】なし