5960

5569

كارشناسي ارشد

مهندسي نساجي و علوم الياف

اصفهان: دانشگاه صنعتي اصفهان، دانشكده مهندسي نساجي

1389

يازده،76ص.: مصور،جدول،نمودار

ص.ع.به فارسي و انگليسي

اكبر خدامي، محمدذره بيني

حسين ايزدان

7/3/90

مجيد مرتضوي، حسين حسني

مهندسي نساجي

ID5569

به فارسي و انگليسي: قابل رويت در نسخه ديجيتالي

77 Isfahan University of Technology Department of Textile Engineering Evaluation of Preparation and Antimicrobial Finishes on Soybean Protein Knitted Fabrics Samad Jafari s jafari@tx iut ac ir Degree M sc Language Farsi Supervisor A Khoddami khoddami@cc iut ac ir M Zarrebini zarrebini@cc iut ac irAbstract Protein fibers have superior physical properties in comparison to other textile fibers Despite of their ideal properties as far as fiber dimensions and morphology are concerned protein fibers not only are expensive but also are non uniform Scale on the surface ofwool as the most renowned protein fiber adversely affect various wool processingoperations In contrast to silk or wool fibers re generated from soya beans benefits fromuniform dimensions Considering the rising cost of chemical fibers as the direct result ofsoaring crude oil prices in recent years due to low cost of soya fiber the use of this fiberhas been rapidly increased In addition to general defined physical properties soya fibershave other unique properties such as brightness natural smoothness and good dyeability Fabrics and apparels made from soya fiber exhibit excellent drape and comfort On theother hand the cream natural colour which hindrances dyeing of light shades reducedtensile strength in wet condition and sensitivity during bleaching process is theundesirable disadvantages associated with soya fibers These draw back can hinder fullcommercial exploitation of soya fibers In this research soya fibers were processed usingnovel and conventional exhaustion and pad steam bleaching The novel bleaching processcomprised pad ozone pad microwave irradiation and pad UV irradiation methods Thenovel methods employed for the first time in this research unlike conventional bleachingmethods not only are more environmental friendly but also are more economical as far aswater consumption or post process pollution treatment is concerned Acquired data of thenovel methods were compared with those obtained from conventional bleaching method Itwas found that while reduction in yellowness index using exhaustion and pad steam were31 and 26 respectively sample bleached by ozone yielded 57 reduction inyellowness index Bleaching using pad ozone method increased the whiteness index ofcommercially available soya fibers bleached by 76 The results indicate that there isdirect relation between pH exposure time to ozone and obtained whiteness index Theachieved whiteness index using pad UV irradiation and pad microwave irradiation was nottangible 21 and 12 reduction in yellowness index respectively Apparels in addition tomanifested properties such as aesthetic and comfort nowadays must have self cleaning

اكبر خدامي، محمدذره بيني

حسين ايزدان

مجيد مرتضوي، حسين حسني