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Accession Number:
AD0641867
Title:
THERMODYNAMIC PROPERTIES OF POLYBUTENE-1 AND BUTENE-1,
Corporate Author:
NAVAL ORDNANCE LAB WHITE OAK MD
Report Date:
1966-09-20
Abstract:
Using published specific heat data, the entropy, enthalpy, and Gibbs free energy of polybutene-1 PB were calculated over the temperature range 0 to 315K. The encraty, C sub pT vs. T, calculated for PB exhibits a maximum at 60K and a small inflection at about 250K, which is associated with the glass transition. The difference, C sub p-C sub v, was calculated at 298.15K and found to be 0.047 calgm deg. The thermodynamic functions were also calculated for butene-1. At 265K the entropy of polymerization is 32.57 calmole deg, and the free energy of polymerization was found to be -12.1 kcalmole. Author
Pages:
0018
File Size:
0.00MB
