Microstructural studies on U.V.-degraded
โ
P.V.C. Rao; V.K. Kaushik; I.S. Bhardwaj
๐
Article
๐
1995
๐
Elsevier Science
๐
English
โ 416 KB
Microstructural changes during photodegradation of poly(viny1 chloride) (PVC) samples obtained after different ultra-violet (u.v.) wavelengths were studied by the combined use of ')C and 'H NMR spectroscopy. The samples were characterized by determining tacticity and the length of isotactic and synd