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AssigneePolyplastics Co., Ltd.
InventorsTomoyuki Aketa, Takayuki Ishikawa
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An improved synthetic resin composition is provided that consists essentially of 100 parts by weight of a resin component composed of 50 to 99 (preferably 50 to 90) parts by weight of a melt-processable polyester that does not form an anisotropic melt phase and 1 to 50 (preferably 10 to 50) parts by weight of a liquid crystal polyester that is capable of forming an anisotropic melt phase, to which has been added 0.01 to 0.5 part by weight of a phosphorus compound. The presence of the phosphorus compound has been found to facilitate the fibrillation of the liquid crystal polyester component during molding so as to form fibrils within the resulting molded article having an aspect ratio of 6 or more. The resulting molded article accordingly exhibits significantly enhanced mechanical properties.
An improved synthetic resin composition consisting essentially of 100 parts by weight of a resin component composed of 50 to 99 parts by weight of a melt-processable thermoplastic polyester resin (a) that does not form an anisotropic melt phase, and 1 to 50 parts by weight of a liquid crystal polyester resin (b) that is capable of forming an anisotropic melt phase, as well as 0.01 to 0.5 part by weight of a phosphite compound of pentaerythritol (c), with said liquid crystal polyester resin (b) being capable of forming fibrils having an aspect ratio of 6 or more during the molding of said resin composition.
Dependencies are inferred from the claim text.