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Indoor and Built Environment
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The Emission of Carbonyl Compounds during Thermal Processing of an Acrylic Polymer

C. Rotival

Faculté de Pharmacie, Laboratoire de Chimie Analytique, Marseille, France

E. Renacco

Faculté de Pharmacie, Laboratoire de Chimie Analytique, Marseille, France

C. Arfi

Faculté de Pharmacie, Laboratoire de Chimie Analytique, Marseille, France

J. Kaloustian

Faculté de Pharmacie, Laboratoire de Chimie Analytique, Marseille, France

A.M. Pauli

Faculté de Pharmacie, Laboratoire de Chimie Analytique, Marseille, France

J. Pastor

Faculté de Pharmacie, Laboratoire de Chimie Analytique, Marseille, France

Optimal conditions of heating for an acrylic varnish have been determined by a study with a Setaram apparatus (simultaneous TG-DTA). While the dry var nish underwent thermal decomposition, the carbonyl compounds emitted were adsorbed on silica cartridges and separated by high-performance liquid chromatography. The thermal decomposition up to 650 ° C and up to 350 ° C showed that formaldehyde and acetaldehyde were the predominant toxic car bonyl compounds. Acrolein was found only when the varnish was heated up to 650°C; it was not emitted when heating was limited to 350°C. These experi mental results are compared with analyses performed in the industrial sector.

Key Words: Workplace air • Aldehydes • Ketones • Thermal decomposition • Acrylic varnish

Indoor and Built Environment, Vol. 3, No. 2, 79-82 (1994)
DOI: 10.1177/1420326X9400300204
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