Study on The Abrasion Resistance of Polyamide Fabric Coated by Magnetron Sputtering

I. Overview of Magnetron Sputtering Technology

Magnetron sputtering is a type of Physical Vapor Deposition (PVD). By introducing a magnetic field on the target cathode surface, it utilizes the magnetic field's confinement of charged particles to increase plasma density and enhance sputtering efficiency. With advantages such as simple equipment, ease of control, large coating area, and strong adhesion, it is widely used for preparing high-quality thin-film coatings of metals, semiconductors, insulators, and other materials.

II. Characteristics of Polyamide Fabric

Polyamide, also known as nylon, is a type of synthetic fiber with excellent abrasion resistance, high strength, and good elastic recovery. However, polyamide fabrics also have some disadvantages, such as poor ventilation and air permeability, and susceptibility to static electricity. By utilizing magnetron sputtering coating technology, a uniform, dense, and highly adherent thin film layer can be formed on the surface of polyamide fabrics, further improving their abrasion resistance, hardness, and corrosion resistance.

III. Study on the Abrasion Resistance of Polyamide Fabric Coated by Magnetron Sputtering

Preparation of Coating:

Using magnetron sputtering technology, titanium metal was used as the target material, and polyamide fabric as the substrate to prepare titanium-coated polyamide filament fabric. The coating process was conducted in a vacuum environment, with sputtering parameters (such as sputtering time and sputtering voltage) adjusted to control the quality and thickness of the coating.

Abrasion Resistance Testing:

The abrasion resistance of the coating was measured using the friction method. By simulating the friction conditions during actual use, abrasion resistance tests were conducted on the coated polyamide fabric. Test results indicated that as sputtering time increased, the number of abrasion cycles the coating could withstand also increased. When the sputtering time reached a certain value (e.g., 220s), the number of abrasion cycles exceeded several thousand, significantly improving the abrasion resistance of the polyamide fabric.

Adhesion Analysis:

By observing the surface morphology of the coated fabric, it was found that the coating only covered the fibers on the fabric surface, exhibiting a discontinuous distribution, while the original gaps between the warp and weft yarns remained. Using the adhesive tape method to peel off the coating, it was discovered that when the peeling strength reached a certain range (e.g., 3.4~4.3N/m), no film detachment occurred, indicating good adhesion between the coating and the fabric.

IV. Conclusion and Outlook

Magnetron sputtering coating technology can significantly improve the abrasion resistance of polyamide fabrics while maintaining good adhesion. This research provides new ideas and methods for the surface modification of polyamide fabrics, offering broad application prospects. In the future, further exploration can be conducted on the impact of different target materials and sputtering parameters on coating quality and abrasion resistance, as well as the potential applications of coated polyamide fabrics in other fields.

In summary, the study on the abrasion resistance of polyamide fabric coated by magnetron sputtering has important theoretical and practical significance, contributing to advancements in technology and industrial upgrading in the textile industry.