A Comparative Study on Finishing Process Results using Two Steps Spraying Method by Coating Polyurethane Binder Sprayed Over with Micro-Thai Silk Particle Solutions and Micro-Eri Silk Particle Solutions on Plain Cotton Woven Fabrics

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Sukrit Krumsoongnern
Apichart Sonthisombat

Abstract

The objective of this research was to compare the results of finishing processes applied by the two-steps spraying method. The step was spraying fabrics with polyurethane binder and then spray over with solutions of micro-Thai and micro-Eri silk particles (the smallest single particle of 2,250 x 2,320 and 1,080 x 2,140 nm respectively) on plain cotton woven fabrics. The fabrics were tested with rubbing fastness testing in dry and wet conditions, washing fastness testing, wicking testing, and anti-bacterial testing of textiles.  The fabric coated with the binder and sprayed with 10% micro-Thai silk particles solutions was found to have the highest water absorption followed by fabric coated with the binder and sprayed with 10% micro-Eri silk particle solutions. As for antibacterial testing, fabric coated with the binder and sprayed with 8% of micro-Thai silk solutions could resist gram-negative (Escherichia coli) bacteria and gram-positive (Staphylococcus aureus) bacteria. On the other hand, fabric coated with the binder and sprayed with 6% of micro-Eri silk particles solutions could resist gram-negative bacteria and the fabric coated with the binder and sprayed with 4%, 8% and 10% micro-Eri silk particle solutions were resistant to gram-positive bacteria. It could be concluded that the fabric coated with the binder and sprayed with 8% of micro-Thai silk particle solutions was resistant to gram-positive and gram-negative bacteria.  In conclusion, the results of the above formula are suitable for finishing on the cotton woven fabrics or other antibacterial required fabrics such as fabrics for furniture, bedding, curtains, etc.

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Krumsoongnern, S., & Sonthisombat, A. (2021). A Comparative Study on Finishing Process Results using Two Steps Spraying Method by Coating Polyurethane Binder Sprayed Over with Micro-Thai Silk Particle Solutions and Micro-Eri Silk Particle Solutions on Plain Cotton Woven Fabrics. Journal of Engineering, RMUTT, 19(1), 137-148. Retrieved from https://ph01.tci-thaijo.org/index.php/jermutt/article/view/244082
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