Abstract
The main purpose of this research work is to improve anti-static properties of Cashmere fabric by introducing application comprising anti-static agent by foaming which was made with cationic waterborne polyurethane and graphene-CNC. Cashmere fabric was cut into 10 pieces of sample cloth of 5 cm * 5 cm size, washed with acetone solution, and then dried in an oven at 60℃. Three forms of waterborne polyurethanes such as two forms of Cationic waterborne polyurethane (CWPU) and a form of Anionic waterborne polyurethane (AWPU) were synthesized. Cellulose nanocrystalline (CNC)/graphite powder solution with the ratio of 0.5/1, 1/1, 2/1 was prepared by ultrasonic probe stripping method, and the concentration of graphite powder was ensured to be 1 mg/ml. The fabric was treated with anionic and cationic WPUs foaming solution until the weight gain reached 2.5 - 3.5 wt%. After drying, the elastic cloth was foamed with graphene solution until the graphite content of the cloth was close to 10%, 20%, 40%, 60% respectively, and then dried for reserving. Characterization properties of pure graphite powder, pure CNC and graphene solution with different proportions of three components were tested by Fourier transform infrared spectrometer (FTIR), X-ray diffraction (XRD), Thermalgravitimetric analysis (TGA) and scanning electron microscopy (SEM). Take the original cloth, only WPU treated cloth and four clothes with different graphite content for the fabric performance test.
Highlights
The utilization of traditional solvent that is based on Polyurethane (PU) has regularly been being deterred, because of firm environmental and governmental influences [1]
Characterization properties of pure graphite powder, pure cellulose nanocrystal (CNC) and graphene solution with different proportions of three components were tested by Fourier transform infrared spectrometer (FTIR), X-ray diffraction (XRD), Thermalgravitimetric analysis (TGA) and scanning electron microscopy (SEM)
Anti-static agents can be prepared by making of three forms of Waterborne polyurethane (WPU) such as an anionic waterborne polyurethane and two cationic waterborne polyurethanes and graphene-based on cellulose nanocrystal (CNC) to apply that solution to coat on the surface of Cashmere fabric through a foam finishing
Summary
The utilization of traditional solvent that is based on Polyurethane (PU) has regularly been being deterred, because of firm environmental and governmental influences [1]. To improve the anti-static ability of Cashmere fabric, graphene has been widely used over the last decade due to possessing excellent thermal, mechanical and electrical properties and high surface area. Anti-static agents can be prepared by making of three forms of WPUs such as an anionic waterborne polyurethane and two cationic waterborne polyurethanes and graphene-based on cellulose nanocrystal (CNC) to apply that solution to coat on the surface of Cashmere fabric through a foam finishing. It is a good prospect for the application that the foam finishing technology is applied to Cashmere fabric finishing, including anti-pilling and anti-static [14][18] In this current study, anti-static properties of Cashmere fabric was enhanced by casting film solution, which was prepared by mixing three types of WPUs and graphene-CNC with some concentrations of ratio for each sample, on the surface of it. The results obtained from tests showed that the anti-static properties of fabric were improved when compared with examples
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