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Kinetics of thermal polymerization of shellac. Part II. Effect of catalysts
Author(s) -
Kumar A.
Publication year - 1964
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1964.070080313
Subject(s) - shellac , catalysis , activation energy , polymerization , kinetics , chemistry , polymer chemistry , thermal , materials science , organic chemistry , polymer , thermodynamics , coating , physics , quantum mechanics
In the present communication the effect of p ‐toluenesulfonic acid catalyst on thermal polymerization of shellac has been investigated. The difference in activation energy for uncatalyzed and catalyzed reaction, has been computed to be 7.4 kcal. when c = 0.1%. The activation energy for uncatalyzed reaction, calculated on this basis comes to 12.5 keal.