VARTM MOLDING RESIN COMPOSITION, MOLDING MATERIAL, MOLDING AND METHOD FOR MANUFACTURING MOLDING

• Main Authors: OSUMI SHIGEAKI, TOMOKUNI HIDEHIKO
• Format: Patent
• Language: English; Japanese
• Published: 18.06.2020
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COMPOSITIONS BASED THEREON; GENERAL PROCESSES OF COMPOUNDING; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; 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; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; WORKING-UP

To provide: a VaRTM molding resin composition capable of obtaining a molding excellent in moldability and excellent in various physical properties, such as heat resistance and elongation; molding material; a molding; and a method for manufacturing the molding.SOLUTION: A VaRTM molding resin composition includes epoxy (meth) acrylate (A) and styrene (B). The epoxy equivalent of an epoxy resin used as a raw material of the epoxy (meth) acrylate (A) is 250-500, and a mass ratio (A/B) of the epoxy (meth) acrylate (A) to the styrene (B) is 60/40 to 45/55.SELECTED DRAWING: None 【課題】成形性に優れ、耐熱性及び伸び度等の各種物性に優れる成形品を得られるＶａＲＴＭ成形用樹脂組成物、成形材料、成形品及び成形品の製造方法を提供することである。【解決手段】エポキシ（メタ）アクリレート（Ａ）及びスチレン（Ｂ）を含有するＶａＲＴＭ成形用樹脂組成物であって、前記エポキシ（メタ）アクリレート（Ａ）の原料であるエポキシ樹脂のエポキシ当量が２５０〜５００の範囲であり、前記エポキシ（メタ）アクリレート（Ａ）と前記スチレン（Ｂ）との質量比（Ａ／Ｂ）が６０／４０〜４５／５５の範囲であることを特徴とするＶａＲＴＭ成形用樹脂組成物を用いる。【選択図】なし