METHOD FOR PREPARING ELECTROMAGNETIC WAVE SHIELDING MATERIAL
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United States of America Patent
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May 21, 2015
app pub date -
Nov 19, 2014
filing date -
Nov 20, 2013
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Abstract
Disclosed herein is a method for preparing an electromagnetic wave shielding material. The preparation method includes: preparing a fiber matrix; sorbing a metal salt precursor to the fiber matrix by dip coating; and bringing the fiber matrix to which the metal salt precursor is sorbed with a basic solution to oxidize the metal salt precursor such that a magnetic substance can be coated onto the fiber matrix. The method can reduce preparation costs by simplifying the preparation process through dip coating without using a high temperature process. Further, the method can also be applied to a fiber matrix which can be affected by temperature, thereby enlarging the preparation and application range of the electromagnetic wave shielding material.
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