JOURNAL OF TEXTILE RESEARCH ›› 2018, Vol. 39 ›› Issue (04): 87-92.doi: 10.13475/j.fzxb.20170306606

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Diffusion behavior of micro droplet on silk woven fabrics

  

  • Received:2017-03-31 Revised:2017-10-25 Online:2018-04-15 Published:2018-04-20

Abstract:

In order to research diffusion process of ink droplets on silk woven fabric during jet printing, taking the micro reactive dye ink droplets as the research object, diffusion behavior of droplets with different droplet volume and on different silk woven fabrics was researched. The effect of pretreatment agent on the diffusion shape and area were analyzed. The results show that diffusion shape for micro reactive dye droplet on silk woven fabrics is cross shape on fabric with larger compactness and oval shape on fabric with too small compactness. The central length of diffusion is linear related to droplet volume. Diffusion periphery length holds steady after rapidly increased with increasing volume of ink droplet. Excessive amount urea would make diffusion area increase, and a small amount urea is able to narrow the area spread on silk fabric. Sodium alginate and cationic modifier reduced the degree of diffusion, and sodium alginate can change diffusion shape, which transforms cross shape into oval.

Key words: micro droplet, silk fabric, active dye ink, diffusion behavior, diffusion behavior, injet printing

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