Method for making carbon fabric and product thereof
AssigneeFeng Chia University
InventorTse-Hao Ko
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Abstract
A carbon fabric of high conductivity and high density is formed of oxidized fibers of polypropylene. The oxidized fibers have a carbon content at least 50 wt %, an oxygen content at least 4 wt %, and a limiting oxygen index at least 35%. The carbon fabric is made by preparing a raw fabric obtained from oxidized fibers of polypropylene by weaving and then carbonizing the raw fabric.
Claims3
An electromagnetic wave shielding carbon fabric consisting of woven oxidized fibers of polypropylene which have been carbonized at a temperature ranging from 900° C. to 2500° C., having a density over 1.68 g/ml and an electromagnetic wave shielding efficiency over 30 dB subject to an electromagnetic wave having a frequency ranging from 300 MHz to 2.45 GHz;
- wherein said carbon fabric has a warp density ranging from 30.2 to 32.4 bundles per inch and a weft density ranging from 27.6 to 30.4 bundles per inch.
Dependencies are inferred from the claim text.