PURPOSE: To obtain a resin compsn. excellent in heat resistance, dynamic properties and moldability by blending a specific arom. polysulfone with a liquid crystal polyester. CONSTITUTION: A resin compsn. comprises 99-60wt.% arom polysulfone having recurring units of the formula and a reduced viscosity mentioned below, and 1-40wt.% liquid crystal polyester. The reduced viscosity of the arom. polysulfone is 0.2 to 0.7dl/g when measured in dimethylformamide at a concn. of 0.1g/dl at 30°C. A pref. method of preparing the arom. polysulfone copolymer to be used is nucleophilic substitution polycondensation wherein monomers having a hydroxyl group and a halogen atom at the terminals are polymerized in a polar solvent in the presence of an alkali metal or a metallic salt, e.g. polymn. in an aprotic polar solvent in the presence of an alkali metal carbonate. COPYRIGHT: (C)1993,JPO&Japio
(57)【要約】 【目的】 耐熱性、力学物性、成形性などに優れた樹脂 組成物を提供する。 【構成】 下式(I)で示される繰り返し単位を有する 芳香族ポリスルホンおよび液晶ポリエステルからなる樹 脂組成物。 【化1】




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    JP-2016000776-AJanuary 07, 2016三菱樹脂株式会社, Mitsubishi Plastics IncFilm