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先进纺织材料及加工技术国际学术会议

作者： Zhaowei Song Jinqiang Liu Min Shao Yongqiang Li Kehe Zhang (Key Laboratory of Advanced Textile Materials and Manufacturing Technology (Zhejiang Sci-Tech University) Hangzhou 310018 China)

Silicones are special reagents that impart desired surface properties, such as softness, bounciness and anti-wrinkle properties to fabrics and related materials. The use of silicones in the home laundry is to enhance the wearing performance of the textiles and apparels. Although this process has been practiced since long time ago, little is known about the absorption characteristic of silicones on the different substances in the home laundry process. This study focused mainly on the silicones’ absorption on the fabrics and on the walls of washer and dryer. Cotton and polyester were selected as fabric samples. Three kinds of silicones with typical structures, i.e. polyether modified, amino-modified and dimethyl silicones were adopted in the simulated home laundry experiment. The key of the experiment was to find and establish a feasible method to quantitatively analyze the trace silicones on the fabric, the washer wall and the dryer wall. The classical method, silicon molybdenum blue spectrophotometry, was improved to adapt to the study. Some factors were studied in the method, such as pH, the wavelength of the maximum absorption. With the improved method, a precise standard operation line was established. The fitting correlation coefficient was higher than 0.999 and the recovery was also very good. The results showed that the silicone absorption on the walls didn’t have much great difference when washed in three times, and when washed for ten times, the amino-modified silicone had more adsorption capacity on the walls than the other structural silicones. And on the fabrics, there were a little difference among three kinds of silicones with in one time simulated home laundry.

关键词： Silicone home laundry Absorption Silicon molybdenum blue spectrophotometry

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Testing of the Adhesion of Herpes Simplex Virus on Textile Substrates and Its Inactivation by Household laundry Processes

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Journal of Biosciences and Medicines 2016年第12期4卷 111-125页

作者： Anja Gerhardts Dirk Bockmühl Andrea Kyas Anja Hofmann Mirko Weide Ingrid Rapp Dirk Höfer William-Kü ster-Institut for Hygiene Environment & Medicine Hohenstein Institute for Textilinnovation gGmbH Boen-nigheim Germany Rhine-Waal University of Applied Sciences Hygiene and Microbiology Kleve Germany Henkel AG & Co. KGaA Corporate Scientific Services Duesseldorf Germany Labor Dr. Merk & Kollegen GmbH Ochsenhausen Germany Henkel AG & Co. KGaA International R&D Laundry & Home Care Duesseldorf Germany

Viral infections like Herpes simplex increasingly pose a serious threat to European health care systems and welfare of the population. Indirect transmission routes of infections via inanimate surfaces are often underestimated. In this study, we investigated the adhesion and persistence of Herpes simplex virus on cotton fabrics as well as its inactivation by domestic laundry. Virus adhesion to textile fibers was distinct, because viral DNA was detectable on fabrics for at least 48 hours after contamination as well as after home laundry. Particles remained infectious for several hours at room temperature and partially for 48 hours at 2℃ - 8℃. Nevertheless, domestic laundry was able to inactivate virus particles given that detergents were adequately used. This confirmed that standard household laundry processes, as established in Europe, are a suitable tool to reduce infectious Herpes virus particles from textiles, thereby supporting the prevention of infections circulating in the household and community.

关键词： home laundry Herpes Simplex Disinfectant laundry Processes Inactivation of Viruses

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