پديد آورنده :
ريحاني، ريحانه
عنوان :
بررسي اثر اصلاح سطح نانو لوله هاي كربني بر رفتار رئولوژيكي و خواص مكانيكي كامپوزيت هاي پلي پروپيلن/نانو لوله هاي كربني
مقطع تحصيلي :
كارشناسي ارشد
گرايش تحصيلي :
الياف پليمري
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده نساجي
صفحه شمار :
شانزده،106ص.: مصور،جدول،نمودار
يادداشت :
ص.ع.به فارسي و انگليسي
استاد راهنما :
علي زادهوش
استاد مشاور :
محمدعلي الشريف
تاريخ نمايه سازي :
21/12/92
استاد داور :
شادپور ملك پور، مصطفي يوسفي
چكيده فارسي :
به فارسي و انگليسي: قابل رويت در نسخه ديجيتالي
چكيده انگليسي :
111 Effect of Surface Modification of Carbon Nanotubes on The Rheological Behavior and Mechanical Properties of polypropylene carbon nanotubes composites Reihane Reihani r reihani@tx iut ax ir Dec 15 2013 Department of Textile Engineering Isfahan University of Technology Isfahan 84156 83111 IranDegree M Sc Language FarsiSupervisor s Name and Email address Dr Ali Zadhoush zadhoush @cc iut ac irAbstractMulti wall carbon nanotubes MWNTs filled polypropylene PP nanocomposites were preparedby melt compounding with a twin screw extruder Polypropylene grafted maleic anhydride PP g MA was used to promote distribution the carbon nanotubes The effect of MWNTs COOH andMWNT addition on the rheological mechanical and morphological properties of the nanocompo sites was assessed for different MWNTs COOH loadings i e 0 5 1 and 1 5 wt Evidence forhydrogen bonding between maleic anhydride grafted polypropylene and MWNTs COOH was ob tained using FTIR For linear rheological measurements the strain amplitude was fixed to 1 Therheological results showed that the materials experience a fluid solid transition beyond which acontinuous MWNT network forms throughout the matrix and in turn promotes the reinforcement On a very large shear rate range 100 to 1500 s 1 for all samples with increase shear rate increaseshear stress and decrease shear viscosity Rheological behavior samples show Herschel bulkleyfluid model When PP g MA is added dynamic moduli and viscosity further increases compared toPP MWNTs nanocomposite Results of stress strain measurements reveal that Young s modulusincreases while elongation at break decreases with increase in MWNTs COOH loading SEManalysis has shown that nanotubes are distributed reasonably uniforml A better distributed goodadhesion between the nanotubes and the PP matrix is caused by wrapping of PP g MA onMWNTs COOH Keywords surface modification multi wall carbon nanotubes polypropylene rheological behavior and memechanical properties
استاد راهنما :
علي زادهوش
استاد مشاور :
محمدعلي الشريف
استاد داور :
شادپور ملك پور، مصطفي يوسفي
