Aromatic liquid-crystalline polyester and film thereof

Details Aromatic liquid-crystalline polyester and film thereof Aromatic liquid-crystalline polyester and film thereof

2006-06-20

2006-06-20

Nutter, Nathan M. (Department: 1711)

Stock material or miscellaneous articles

Composite

Of polyamidoester

C428S423700, C428S480000, C428S495000, C528S176000, C528S180000, C528S190000, C528S191000, C528S193000, C528S206000, C528S207000, C528S212000, C528S218000, C525S437000, C525S444000

Reexamination Certificate

active

07063892

ABSTRACT:
An aromatic liquid-crystalline polyester having a small dielectric loss in a wide frequency region is provided. An aromatic liquid-crystalline polyester is provided that can manufacture a film having a small volume expansion by heating. An aromatic liquid-crystalline polyester substantially comprising a repeating structural unit originating in 2-hydroxy-6-naphthoic acid 30 to 80 mol %, a repeating structural unit originating in aromatic diol 35 to 10 mol %, and a repeating structural unit originating in aromatic dicarboxylic acid 35 to 10 mol %.

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