JNTU Polymeric Materials Exam Paper Apr-May 2008

JNTU B.Tech II Semester Examinations, POLYMERIC MATERIALS, Apr/May 2008 (Metallurgy & Material Technology) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks SET-I 1. (a) Differentiate between ionic polymerization and coordination polmerisation. (b) What are Ziegler-Natta catalysts? Explain the mechanism of coordination polymerization in presence of these catalysts. [8+8] … Read more

JNTU B Tech ii Semester Examinations,Polymeric Materials, Apr/May 2008

JNTU PAPERS JNTU B.Tech II Semester Examinations, POLYMERIC MATERIALS, Apr/May 2008 (Metallurgy & Material Technology) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks SET-II 1. Write short notes on the following: (a) Ring-opening polymerization (b) Step polymerization. [8+8]   2. Critically discuss on the classification of microstructures of … Read more