PRODUCTION AND CHARACTERIZATION OF NANOCOMPOSITE MATERIALS FROM RECYCLED THERMOPLASTICS A THESIS SUBMITTED TO THE GRADUATE SCHOOL OF NATURAL AND APPLIED SCIENCES OF THE MIDDLE EAST TECHNICAL UNIVERSITY BY METİN KARABULUT IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF SCIENCE IN THE DEPARTMENT OF POLYMER SCIENCE AND TECHNOLOGY JULY 2003