Improvement of Odor Elimination and Anti-bacterial Activity of Polyester Fabrics Finished with Composite Emulsions of Nanometer Titanium Dioxide-silver Particles-water-borne Polyurethane

被引：35

作者：

Chen, Cheng-Chi ^{[2
]}

Wang, Chyung-Chyung ^{[1
]}

Yeh, Jen-Taut ^{[3
]}

机构：

[1] Chinese Culture Univ, Dept Text Engn, Taipei 11114, Taiwan

[2] Nanya Inst Technol, Dept Chem & Mat Engn, Tao Yuan 32091, Taiwan

[3] Natl Taiwan Univ Sci & Technol, Dept Polymer Engn, Taipei 10607, Taiwan

来源：

TEXTILE RESEARCH JOURNAL | 2010年 / 80卷 / 04期

关键词：

anti-bacteria; composites; finishing; odor elimination; photo-catalyst; water-borne polyurethane; PHYSICAL-PROPERTIES; TIO2; PHOTODEGRADATION; PHOTOCATALYSIS; DISINFECTION; DEGRADATION; OXIDATION; IONS; AG;

D O I：

10.1177/0040517508100626

中图分类号：

TB3 [工程材料学]; TS1 [纺织工业、染整工业];

学科分类号：

0805 ; 080502 ; 0821 ;

摘要：

In this study, two bacteria and three odorous chemicals were employed to assess the antibacterial activity and the odor elimination abilities of fabric samples finished with nanometer titanium dioxide/nanometer silver/water-borne polyurethane (nano-TiO2/nano-Ag/WBPU) composite emulsions. It was found that the value of odor elimination, ultraviolet light transmission, and anti-bacteria for the mixture of nano-TiO2 and nano-Ag was higher than the summed value for the individual nano-TiO2 and nano-Ag. The odor elimination ability for individual nano-TiO2 was better than that for individual nano-Ag, but the anti-bacterial activity was found to follow the opposite trend. The mechanisms of the free radical formation for nano-TiO2-Ag+ have been discussed, suggested and confirmed with the investigation of the energy gap and conductivity values for the individual and the mixed particles of nano-TiO2 and nano-Ag. The loss of the anti-bacterial activity for the fabrics finished with the mixture of nano-TiO2 and nano-Ag was less than 6% and 13% after 15 times' washing and 3000 times' abrasion, respectively. The practicability of the fabrics finished with nano-TiO2/nanoAg/ WBPU composite emulsions was strongly supported by the excellent properties of odor elimination, anti-bacteria, washing fastness and abrasion resistance.

引用

页码：291 / 300

页数：10

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