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Paper Information

Journal:   JOURNAL OF PHYSICAL AND THEORETICAL CHEMISTRY   SUMMER 2015 , Volume 12 , Number 2; Page(s) 167 To 174.
 
Paper: 

SPECTROSCOPIC STUDIES, PHONON DISPERSION AND HEAT CAPACITY OF POLY (VINYLIDENE CHLORIDE)

 
 
Author(s):  ANIS ERAM, ALI PARVEJ*, SRIVASTAVA SEEMA, BAIG M.W., AHMAD MOIZ
 
* DEPARTMENT OF CHEMISTRY, INTEGRAL UNIVERSITY CAMPUS, SHAHAJAHANPUR-242306, INDIA
 
Abstract: 

Poly (vinylidene chloride) (PVDC) is a barrier polymer which has a wide scope in food packaging industries. A comprehensive study of the normal modes and their dispersion in PVDC using Wilson’s GF matrix method as modified by Higgs is reported. It provides a detailed interpretation of IR and Raman spectra. Characteristic feature of dispersion curves, such as regions of high density-of-states, repulsion, and character mixing of dispersion modes, are discussed. Heat capacity has been calculated in the range 50–500 K via density-of-states using Debye relation. It is in fairly good agreement with the experimental data. Heat capacity behavior of PVDC with temperature was observed nearly linear in nature. Heat capacity provides a relationship between microscopic behavior and a macroscopic property. The thermal stability of a polymeric system and its interactive nature with other properties, such as phonon-phonon coupling is also related to thermodynamic behavior. The present study provides a theoretical framework to understand experimental measurements.

 
Keyword(s): POLY (VINYLIDENE CHLORIDE), VIBRATIONAL DYNAMICS, IR, RAMAN SPECTROSCOPY, HEAT CAPACITY
 
 
References: 
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Citations: 
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APA: Copy

ANIS, E., & ALI, P., & SRIVASTAVA, S., & BAIG, M., & AHMAD, M. (2015). SPECTROSCOPIC STUDIES, PHONON DISPERSION AND HEAT CAPACITY OF POLY (VINYLIDENE CHLORIDE). JOURNAL OF PHYSICAL AND THEORETICAL CHEMISTRY, 12(2), 167-174. https://www.sid.ir/en/journal/ViewPaper.aspx?id=473502



Vancouver: Copy

ANIS ERAM, ALI PARVEJ, SRIVASTAVA SEEMA, BAIG M.W., AHMAD MOIZ. SPECTROSCOPIC STUDIES, PHONON DISPERSION AND HEAT CAPACITY OF POLY (VINYLIDENE CHLORIDE). JOURNAL OF PHYSICAL AND THEORETICAL CHEMISTRY. 2015 [cited 2021October25];12(2):167-174. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=473502



IEEE: Copy

ANIS, E., ALI, P., SRIVASTAVA, S., BAIG, M., AHMAD, M., 2015. SPECTROSCOPIC STUDIES, PHONON DISPERSION AND HEAT CAPACITY OF POLY (VINYLIDENE CHLORIDE). JOURNAL OF PHYSICAL AND THEORETICAL CHEMISTRY, [online] 12(2), pp.167-174. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=473502.



 
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