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العنوان
Using different techniques to produce a soil
release stain removal fabrics and their evaluation
via six sigma process framework /
المؤلف
Mosa, Shimaa Hassen Abd El Rahman.
هيئة الاعداد
باحث / Shimaa Hassen Abd El Rahman Mosa
مشرف / Wafaa A. El-Sayed
مشرف / Adel Mohamed El Hadidy
مناقش / Maha M. T. Eladwi
تاريخ النشر
2017.
عدد الصفحات
292 P. :
اللغة
الإنجليزية
الدرجة
الدكتوراه
التخصص
اقتصاد منزلي
تاريخ الإجازة
1/1/2017
مكان الإجازة
جامعة عين شمس - كلية البنات - قسم اقتصاد منزلى
الفهرس
Only 14 pages are availabe for public view

from 292

from 292

Abstract

Soil release finish is one of the important finishing processes, to make the apparel products more fashionable, sustainable, and customer focused. soil release finishing processes have become a popular value additional process which improves the different functional properties of apparel.
The growing environmental and energy-saving concerns will also lead to the gradual replacement of many traditional wet chemistry-based textile processing, using large amounts of water, energy and effluents, by various forms of low-liquor and dry-finishing processes.
Plasma technology, when developed at a commercially viable level, has strong potential to offer, in an attractive way, achievement of new functionalities in textile The main attraction of plasma in the industrial processing is the avoidance of chemical effluents, beside low cost, rapid reaction times and high cleaning efficiency.
In this thesis the fabric was finished by two techniques, namely, wet processing and plasma treatment; in order to achieve the goal, the following steps were done:
1. Pure Cotton and pure polyester fabrics were selected, taking into consideration their availability in Egyptian market.
2. Cotton and polyester fabrics were treated with two Eco friendly modified silicone softener as a soil release agent. Treatment conditions as concentration, pH, wet pick up, drying time and temperature and curing time and temperature were studied.
3. On the other hand, as a dry finishing techniques, both fabrics were subjected to plasma treatment. Air and Argon gases were used with cotton fabric, while Nitrogen, Argon and Helium gases were used with polyester fabric at different exposure time (2, 4, 6 min.).
4. The untreated and treated fabrics were soiled with different stains (mango, tomato, tea, cream, butter, mastered).
5. The Effect of both treatments as stain removal was evaluated according to AATCC, Test Method 130-2010.
6. Other evaluation was carried out via Six sigma and according to a program available at the website www.Isixsigma.com
7. The effect of both treatments on antibacterial growth was evaluated against gram negative bacteria (Escherichia coli) and gram positive bacteria (Staphylococcus aureus).
8. Physico mechanical properties such as wettability, crease recovery and breathability of treated and untreated cotton and polyester fabrics were evaluated.
9. The effect of both treatments on dyeing process and the effect of the dyeing on stain removal was studied.
10. Ten designs using used garments treated by soil release finishing agent as a source of sustainable fashionable designs were created.
11. Other four designs of multi purposes usage, layed out and put in application performed using wet treated fabrics, Tie and dye technique and decorative stitches were used.
12. Fastness properties of dyed fabrics (wash and light) were evaluated according to ISO international standard
The following results were obtained:
1. Both types of the treatments; wet and dry processing showed positive results in stain removal of all stain types.
2. from six sigma evaluation point of view the wet process displayed better results than dry process inspite of dry process advantages in minimizing pollution of textile industries.
3. Both treatment have a positive result in reduction of growth of two used types of bacteria. from six sigma point of view, the wet treatment technique gave better results.
4. Breathability, crease recovery angle, absorbency and hydrophilicity as well as wettability gave exhibited positive result, in both types of the treatments.
5. The durability of wet treatment was as long lasting as 30 cycles wash, opposite to dry process which ended after 10 cycles wash, especially with 2 min. time exposure.
6. The color strength of dyed cotton and polyester fabrics was enhanced using C.I. Reactive Blue 19, C.I. Reactive Yellow 15, C.I.‎ Reactive ‎Red 180‎ and C.I. disperse red 7.
7. The durability of the treatment of cotton and polyester dyed fabrics towards some stains specially cream and butter was decreased. This may be due to the structure of the stains which leads to bathochromic or hypsochromic electron shift of the dominant reflected wavelength of the dye itself causing the appearance of the spot again.
8. The wet treated dyed cotton fabric showed good fast to wash whereas the wet treated dyed polyester fabric showed less fast to wash due to the weak intermolecular bond between the dye and the wet treated polyester fabrics.
9. Both Treatments and both dyed fabrics exhibited slight to moderate fading when exposed to daylight. This may be due to the absence of resonance as a reduction or oxidation of the double bonds present in the structure of the treated materials and dye stuff used.