Main paths of thermal decomposition of neopentylpolyol esters
Journal Article
·
· J. Appl. Chem. USSR (Engl. Transl.); (United States)
OSTI ID:6419525
The aim of this work was therefore to study the mechanism of the thermolysis of neopentylpolyol esters. The authors selected neopentyl laurate, neopentyl glycol dilaurate, and pentaerythritol tetracaproate as model compounds. The reaction was studied in the temperature range of 320-360/sup 0/C. The thermal decomposition of pentaerythritol esters in the temperature range of 320-360/sup 0/C proceeds preferentially by heterolytic splitting of one of the alkyl-oxygen bonds. The molecular decomposition of the pentaerythritol ester at the acyl-oxygen bonds and between the ..cap alpha.. and ..beta.. carbon atoms in the acyl part of the molecule occurs to a much lower extent. The change from an ionic to a radical mechanism of the main thermolysis reaction with decrease in the hydroxyl group content of the neoalcohol forming an ester is because the stabilization of the primary carbocation by an intramolecular solvation by neighboring ester groups becomes less probable.
- Research Organization:
- Lensovet Leningrad Technological Institute (USSR)
- OSTI ID:
- 6419525
- Journal Information:
- J. Appl. Chem. USSR (Engl. Transl.); (United States), Journal Name: J. Appl. Chem. USSR (Engl. Transl.); (United States) Vol. 61:5; ISSN JAPUA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400800* -- Combustion
Pyrolysis
& High-Temperature Chemistry
ACTIVATION ENERGY
ALCOHOLS
ALKALI METAL COMPOUNDS
ALKENES
ARRHENIUS EQUATION
BUTENES
CARBOXYLIC ACID ESTERS
CARBOXYLIC ACID SALTS
CARBOXYLIC ACIDS
CATALYSIS
CATALYTIC EFFECTS
CHEMICAL BONDS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
DECANOIC ACID
DECOMPOSITION
DISSOCIATION
ENERGY
ENTROPY
EQUATIONS
ESTERS
HETEROGENEOUS CATALYSIS
HYDROCARBONS
HYDROXY COMPOUNDS
KINETIC EQUATIONS
KINETICS
MATHEMATICAL MODELS
MONOCARBOXYLIC ACIDS
ORGANIC ACIDS
ORGANIC COMPOUNDS
PHYSICAL PROPERTIES
PYROLYSIS
REACTION KINETICS
SOLVATION
THERMOCHEMICAL PROCESSES
THERMODYNAMIC PROPERTIES
400800* -- Combustion
Pyrolysis
& High-Temperature Chemistry
ACTIVATION ENERGY
ALCOHOLS
ALKALI METAL COMPOUNDS
ALKENES
ARRHENIUS EQUATION
BUTENES
CARBOXYLIC ACID ESTERS
CARBOXYLIC ACID SALTS
CARBOXYLIC ACIDS
CATALYSIS
CATALYTIC EFFECTS
CHEMICAL BONDS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
DECANOIC ACID
DECOMPOSITION
DISSOCIATION
ENERGY
ENTROPY
EQUATIONS
ESTERS
HETEROGENEOUS CATALYSIS
HYDROCARBONS
HYDROXY COMPOUNDS
KINETIC EQUATIONS
KINETICS
MATHEMATICAL MODELS
MONOCARBOXYLIC ACIDS
ORGANIC ACIDS
ORGANIC COMPOUNDS
PHYSICAL PROPERTIES
PYROLYSIS
REACTION KINETICS
SOLVATION
THERMOCHEMICAL PROCESSES
THERMODYNAMIC PROPERTIES