# Emissions of Volatile Compounds and Solids during Additive Manufacturing by the FFF Method
## 2 Materials and Methods
\begin{table}
\begin{tabular}{c c c} \hline \hline
**No.** & **Retention Time (min)** & **Compound Name** \\ \hline
1 & 4.45 & 2,4-Hexadiene, 2,3-dimethyl- \\
2 & 5.45 & 5,5-Dimethyl-1,3-dioxane-2-ethanol \\
3 & 10.35 & Cyclohexanemethanol, 4-methylene- \\
4 & 10.58 & Nonanal \\
5 & 11.97 & 2-Tetradecanone \\
6 & 12.19 & Decanal \\
7 & 12.92 & Caprolactam \\
8 & 13.45 & 2-Undecanone \\
9 & 13.53 & Cyclohexansiloxane, dodecamethyl- \\
10 & 13.67 & Undecanal \\
11 & 14.70 & Heptadecane \\
12 & 14.80 & Dodecanal \\
13 & 15.14 & 5,9-Undecadien-2-one, 6,10-dimethyl-, (E)- \\
14 & 15.25 & Cycloheptasiloxane, tetradecamethyl- \\
15 & 15.36 & 1-Undecanol \\
16 & 15.49 & 5-Ondecate, (E)- \\
17 & 15.65 & Tridecanal \\
18 & 16.38 & Cyclooctasiloxane, hexadecamethyl- \\
19 & 16.78 & Dodecyl acrylate \\
20 & 17.19 & Cyclonononsiloxane, octadecamethyl- \\ \hline \hline \end{tabular}
\end{table} 
Table 7: Colorless PET-G heating in headspace vial—compound identification. \begin{table}
\begin{tabular}{c c c} \hline \hline
**No.** & **Retention Time (min)** & **Compound Name** \\ \hline
1 & 4.20 & Toluene \\
2 & 5.99 & Ethylbenzene \\
3 & 6.20 & p-Xylene \\
4 & 6.63 & Styrene \\
5 & 8.08 & Benzaldehyde \\
6 & 11.67 & 3,4-Dimethyldihydrofuran-2,5-dione \\
7 & 12.10 & Dodecane \\
8 & 12.20 & Decanal \\
9 & 12.97 & Dodecane, 4-methyl- \\
10 & 13.05 & Dodecane, 2-methyl- \\
11 & 13.17 & 1-Decanol \\
12 & 13.57 & Tetradecane \\
13 & 14.18 & Tridecane, 6-methyl- \\
14 & 14.21 & Tridecane, 5-methyl- \\
15 & 14.27 & Tridecane, 4-methyl- \\
16 & 14.33 & Tridecane, 2-methyl- \\
17 & 14.41 & Tridecane, 3-methyl- \\
18 & 14.71 & Hexadecane \\
19 & 15.14 & 5-Ethyldecane \\
20 & 15.17 & Tetradecane, 5-methyl- \\
21 & 15.22 & Tetradecane, 4-methyl- \\
22 & 15.27 & Triacontane \\
23 & 15.33 & Tetradecane, 3-methyl- \\
24 & 15.56 & Hexadecane-Dup1 \\
25 & 15.81 & Phenol, 4,6-dit(1,1-dimethylethyl)-2-methyl- \\
26 & 15.89 & Pentadecane \\
27 & 15.92 & Eicosane, 10-methyl- \\
28 & 15.96 & Pentadecane, 4-methyl- \\
29 & 16.00 & Tetradecane, 3-methyl-Dup1 \\
30 & 16.05 & Pentadecane, 3-methyl- \\
31 & 16.24 & Hexadecane-Dup2 \\
32 & 16.51 & Hexadecane, 7-methyl- \\
33 & 16.58 & Hexadecane, 4-methyl- \\
34 & 16.62 & Triacontane-Dup1 \\
35 & 16.66 & Heptadecane, 2-methyl- \\
36 & 16.90 & Pyrene, hexadecachy dro- \\
37 & 17.27 & 4-Methyl-hexadecachy dro-pyrene \\ \hline \hline \end{tabular}
\end{table} 
Table 8: Black PLA heating in headspace vial—compound identification. \begin{table}
\begin{tabular}{c c c} \hline \hline
**No.** & **Retention Time (min)** & **Compound Name** \\ \hline
1 & 3.65 & 3-Penten-2-one \\
2 & 4.14 & Toluene \\
3 & 4.67 & 1,3,5-Hepttariene, (E,E)- \\
4 & 5.25 & 2-Buten-1-ol, acetate \\
5 & 5.82 & 2-Hexenal, (E)- \\
6 & 6.35 & p-Xylene \\
7 & 6.63 & Styrene \\
8 & 7.00 & 2,4-Hexadienal, (E,E)- \\
9 & 8.10 & Benzaldehyde \\
10 & 8.45 & 4,4-Dimethyl-2-cyclopenten-1-one \\
11 & 8.63 & trans,trans-3,5-Heptadien-2-one \\
12 & 9.67 & 2,4,6-Octatrienal \\
13 & 10.06 & Acetophenone \\ \hline \hline \end{tabular}
\end{table} 
Table 9: PVA colorless heating in headspace vial—compound identification.