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Volume: 23 | Article ID: art00114_1
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Cationic pretreatment for improving image quality of inkjet printing on polyester fabrics
  DOI :  10.2352/ISSN.2169-4451.2007.23.1.art00114_1  Published OnlineJanuary 2007
Abstract

The cationic pretreatment with gemini surface active agent was carried on the polyester fabric in order to improve the image quality of water-based pigment inkjet printing. The influence of pretreatment conditions such as concentration of cationic reagent, pH value of pretreatment bath, temperature and pretreatment time on the printing property of ink-jet printing was discussed in detail. Compared with untreated fabric, the K/S values increase nearly 36% of treated polyester fabric. The K/S values increase evidently with increasing of the pH of cationic pretreatment bath, especially when pH reached at 11. The K/S values appear saturation value when the concentration of cationic reagent is 15g/l. The K/S values increase when the treatment temperature changes from 10°C to 30°C. However, The K/S values start to decrease when the treatment temperature continue to rise till 60°C. This may due to that temperature affect the adsorption property of cationic reagent on the surface of polyester fabric. When pretreatment carry on for 6 min, the K/S values reach balance. The video microscopy images show that the edge acuity and the brilliancy of ink-jet printing on polyester were improved largely after pretreatment with 15 g/l cationic pretreatment reagent at 30°C and pH 11 for 6 min. The Atomic force microscopy (AFM) image shows that the surface morphology of polyester fabrics had changed after cationic pretreatments.

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Chaoxia Wang, Guijun Wu, Kuanjun Fang, Anli Tian, Xia Zhang, Shaohai Fu, Xue Jiang, "Cationic pretreatment for improving image quality of inkjet printing on polyester fabricsin Proc. IS&T Int'l Conf. on Digital Printing Technologies and Digital Fabrication (NIP23),  2007,  pp 500 - 503,  https://doi.org/10.2352/ISSN.2169-4451.2007.23.1.art00114_1

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