Liquid crystal polyester resin composition for 3D printers and liquid crystal polymer filaments for 3D printers

Abstract

This invention provides a liquid crystal polyester resin composition for 3D printers and a liquid crystal polymer filament for 3D printers, which can be used to manufacture shapes formed by a 3D printer and have a further improved coefficient of linear expansion. The liquid crystal polyester resin composition for 3D printers comprises a liquid crystal polyester resin having repeating units represented by the following formulas (1), (2) and (3). (In the formulas (1) to (3), Ar1 is phenyl, naphthyl or biphenyl; Ar2 and Ar3 are each independently phenyl, naphthyl, biphenyl or a group represented by the following formula (4); X and Y are each independently oxygen atoms or imine groups; one or more hydrogen atoms in Ar1, Ar2 and Ar3 may be independently substituted by halogen atoms, alkyl or aryl groups) (In the formula (4), Ar4 and Ar5 are each independently phenyl or naphthyl; Z is oxygen atom, sulfur atom, carbonyl, sulfonyl or alkylene)