METHOD OF PRODUCING POLYMER, MOLDING MATERIAL AND MOLDED ARTICLE

• Main Authors: HIROSE KOHEI, ONUMA TAEKO, NODA TETSUYA
• Format: Patent
• Language: English; Japanese
• Published: 23.07.2015
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; GENERAL PROCESSES OF COMPOUNDING; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; WORKING-UP

PROBLEM TO BE SOLVED: To provide a polymer having excellent thermal decomposition resistance obtained using a macromonomer and another (meth) acryl monomer, a method of producing the same, a molding material comprising a polymer and a molded article obtained by molding a molding material.SOLUTION: This invention relates to a method of producing a polymer wherein a polymer (X) obtained by polymerization of a monomer mixture used in a step 1 comprising a specific macromonomer (a) and a monomer (b) copolymerizable with the macromonomer (a) is dissolved in a specific solvent (S1) and then mixed with a specific poor solvent (S2) for reprecipitation of a desired polymer. 【課題】マクロモノマーと他の（メタ）アクリルモノマーを用いて得られる耐熱分解性に優れた重合体、その製造方法、重合体を含有する成形材料及び成形材料を成形して得られる成形体を提供する。【解決手段】特定のマクロモノマー（ａ）及びマクロモノマー（ａ）と共重合可能なモノマー（ｂ）を含む工程1で用いるモノマー混合物を重合して得られた重合体（Ｘ）を特定の溶媒（Ｓ１）に溶解させた後に特定の貧溶媒（Ｓ２）と混合して所望の重合体を再沈殿させる重合体の製造方法である。【選択図】なし