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Table 1. Relative proportion of individual carbonyl compounds emitted during thermolysis
up to 650°C of an acrylic varnish sample.
CARBONYL COMPOUND
RELATIVE AMOUNT
%
Formaldehyde
10
Acetaldehyde
69
Acrolein
13
Acetone
0
Propanal
5
2- trans - Butenal
0.85
2- Butanone
0.75
3- Methyl butenal
0
Methyl propylketone
1.40
Pentanal
0
Table 2. Carbonyl compound emitted from 100 mg acrylic varnish sample during
thermolysis up to 350°C.
CARBONYL COMPOUNDS
AMOUNT
RELA TIVE AMOUNT
mg/lOOmg SAMPLE
%
Formaldehyde
0.186
14.4
Acetaldehyde
0.996
77
Acrolein
0.012
0.93
Acetone
0.035
2.7
Propanal
0.05
3.86
2 - trans - B utenal
0.0025
0.19
2 - Butanone
0.0081
0.62
3 - Methylbutenal
0
0
Methylpropylketone
0.0012
0.09
Pentanal
0.0035
0.27