Preparation method of electromagnetic shielding textile

Abstract

The invention provides a preparation method of an electromagnetic shielding textile. The preparation method comprises the following steps: textile pre-treatment: (1) putting the textile into a sodium hydroxide water solution and carrying out coarsening and oil removing treatment at 80-100 DEG C; (2) carrying out hydrogen plasma metal silver plating: padding the textile which is subjected to the coarsening and oil removing treatment in the step (1) into a silver nitrate complexing mixing solution and drying or airing; then utilizing a hydrogen plasma to replace silver nitrate padded on the textile with a silver monomer metal layer; (3) carrying out chemical copper plating: putting the textile obtained in the step (1) into a chemical copper plating solution to carry out the chemical copper plating; and (4) carrying out chemical nickel plating or electrical nickel plating: putting the textile treated in the step (3) into a nickel plating solution to carry out nickel plating. The method disclosed by the invention has the advantages of good process stability, small environmental pollution and cheap process; and the electromagnetic shielding rate of the prepared electromagnetic shielding textile is high and can reach more than 75 DB, the bonding force between a shielding layer and the metal layer is strong and the shielding layer and the metal layer are not easy to fall off.

Description

technical field

[0001] The invention relates to a preparation method of a shielding fabric, in particular to a preparation method of a fabric with an electromagnetic shielding function. Background technique

[0002] The electromagnetic pollution caused by the wide application of various electrical and electronic equipment has been recognized as the fourth largest public hazard after air pollution, water pollution and noise pollution. The electromagnetic interference (EMI) and electromagnetic compatibility (EMC) problems caused by electromagnetic waves will not only interfere with electrical equipment, but also pose a serious threat to human health. Previously, information security problems have occurred due to electromagnetic wave leakage, which directly threatens the country's Political, economic and military security. Therefore, how to reduce the intensity of electromagnetic radiation, prevent electromagnetic radiation pollution, protect the environment, and protect human...

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