Differential thermal analysis of reaction kinetics in pseudo‐isothermal state Part 2. Complex reaction | Zendy

Matsuda Hitoki | Zendy; Goto Shigeo | Zendy

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Differential thermal analysis of reaction kinetics in pseudo‐isothermal state Part 2. Complex reaction

Author(s) -

Matsuda Hitoki,

Goto Shigeo

Publication year - 1984

Publication title -

the canadian journal of chemical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.404

H-Index - 67

eISSN - 1939-019X

pISSN - 0008-4034

DOI - 10.1002/cjce.5450620117

Subject(s) - formaldehyde , isothermal process , chemistry , reaction rate constant , titration , differential thermal analysis , thermodynamics , reaction rate , order of reaction , kinetic energy , activation energy , chemical kinetics , kinetics , urea formaldehyde , urea , organic chemistry , catalysis , physics , adhesive , layer (electronics) , quantum mechanics , diffraction , optics

The complex reaction between urea and formaldehyde is studied by the simultaneous method of DTA in pseudoisothermal state and conventional titration, and the kinetic parameters and the heat of reaction are evaluated. This reaction is technically important in the production of urea‐formaldehyde resins. The conversions were determined from both the experimental DTA data and the concentration change of formaldehyde with time. By using the available values of the heat of reaction, the rate constants then could be obtained. The experimentally determined activation energies were in good agreement with those reported in the literature.

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