TY - BOOK AU - Mohamed Ahmed Nassar AU - Maher Zaky Elsabee , AU - Salah Eldin Moustafa Elbegawy , TI - Preparation, characterization and applications of impact resistant polymers for ballistic protection / PY - 2010/// CY - Cairo : PB - Mohamed Ahmed Nassar , KW - Ethylene diamine KW - Polyamide KW - PPTA N1 - Thesis (M.Sc.) - Cairo University - Faculty of Science - Department of Physical Chemistry; Issued also as CD N2 - Several polyamides have been prepared using aromatic diamine and phthaloyl chloride . The obtained polyamide was found to be brittle and hard to mold . In order to impart some flexibility and to lower the glass transition temperature of the wholly aromatic polyamides aliphatic amines have been introduced in the main polymer chain several rations UR - http://172.23.153.220/th.pdf ER -