Polyplastics Co., Ltd.

Yoshiaki Taguchi

Toshinori Kawahara

Tatsuya Kawasaki

A powdery liquid-crystal resin for a press-molded article is disclosed having a bulk density of more than 0.05 g/cmand 0.5 g/cmor less. The powdery liquid-crystal resin preferably has a particle diameter distribution width as defined by JIS Z8825: 2013 of 3.0 or more and 12 or less. The powdery liquid-crystal resin preferably has an average particle diameter of 10 &#x3bc;m or more and 300 &#x3bc;m or less. The degree of crystallinity of the powdery liquid-crystal resin is preferably 20% or more and 70% or less.

Powdery liquid-crystal resin for press-molded article, press-molded article, and production method therefor

Provided is a liquid crystal polyester amide resin which has a good hue. Specific monomers are polymerized using a specific catalyst. The specific monomers are composed of: at least one kind of a monomer selected from among aromatic aminocarboxylic acids, aromatic hydroxyamines and aromatic diamines; and at least one kind of a monomer selected from among aromatic hydroxy carboxylic acids, aromatic dicarboxylic acids or aliphatic dicarboxylic acids, and aromatic diols or aliphatic diols. It is preferable that the content of the at least one kind of a monomer selected from among aromatic aminocarboxylic acids, aromatic hydroxyamines and aromatic diamines is from 0.1 mol % to 85 mol % (inclusive).

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Fuji, Japan

Yoshiaki Taguchi