Table 3.

Pyrolysis-gas chromatography-mass spectrometry (Py-GC-MS) analysis of GTTE at 600 °C.

No.	Rt (min) a	Compound	CAS No.	Content (%) b	SI c
1	1.326	Ethylamine	75-12-7	31.79	95
2	1.454	Dimethylamine	124-40-3	4.82	92
3	1.541	Ethanol	64-17-5	8.82	93
4	1.727	1-Propen-2-ol, acetate	108-22-5	0.61	92
5	1.770	2-methyl-Propanal	78-84-2	0.36	82
6	1.815	2-Butene-1,4-diol	6117-80-2	0.42	83
7	1.852	2,3-Butanedione	431-03-8	1.98	97
8	1.929	2-methyl-Furan	534-22-5	3.57	95
9	1.984	Acetic acid	64-19-7	4.16	97
10	2.080	2-methyl-Propanenitrile	78-82-0	0.72	87
11	2.180	1,3-Cyclohexadiene	592-57-4	0.77	94
12	2.310	Methoxyacetonitrile	1738-36-9	0.58	83
13	2.367	1-hydroxy-2-Propanone	116-09-6	3.33	96
14	2.600	3-methyl-2-Butanone	563-80-4	0.68	93
15	2.697	2,3-Pentanedione	600-14-6	0.46	96
16	2.802	2,5-dimethyl-furan	625-86-5	0.39	88
17	2.860	3-hydroxy-2-Butanone	513-86-0	0.27	89
18	2.907	2,4-Dimethylfuran	3710-43-8	0.34	92
19	3.046	2,5-dimethy-furan	625-86-5	0.29	88
20	3.165	3-methyl-Butanenitrile	625-28-5	0.27	96
21	3.261	1-methyl-Pyrrole	96-54-8	0.20	85
22	3.489	Pyrrole	109-97-7	0.62	96
23	3.489	Toluene	108-88-3	0.81	97
24	4.155	n-Hexyl acetate	142-92-7	0.38	84
25	5.050	2-Cyclopenten-1-one	930-30-3	0.31	95
26	5.266	cis-3-Hepten-1-ol	1708-81-2	0.41	81
27	5.706	Ethylbenzene	100-41-4	0.36	92
28	5.928	Methyl benzyl ketone	103-79-7	0.72	80
29	6.510	Phenethylene	100-42-5	0.23	86
30	9.242	Phenol	108-95-2	0.37	95
31	9.305	1-Octanol	111-87-5	0.24	88
32	10.062	1,2,5,6-Tetrahydropyridin-2-one	0-00-0	0.24	83
33	11.565	Heptanal	111-71-7	0.21	78
34	12.774	Xanthosine	146-80-5	0.38	80
35	12.904	1-Tetradecene	1120-36-1	0.20	89
36	14.575	2,3-dimethyl-Cyclohexanol	1502-24-5	0.22	65
37	15.099	1-Tetradecene	1120-36-1	0.03	90
38	16.015	1-Hexadecene	629-73-2	0.03	91
39	16.863	1-Pentadecene	13360-61-7	0.04	91
40	17.425	n-Octyl ether	629-82-3	0.11	93
41	18.291	n-Octyl caprylate	2306-88-9	0.17	92
42	18.990	Caffeine	58-08-2	27.48	96
43	19.057	1-Hexadecanol	36653-82-4	0.22	95
44	19.592	Dibutyl phthalate	84-74-2	0.26	95
45	19.640	Hexadecamethylheptasiloxane	541-01-5	0.24	65
46	20.416	1-Eicosanol	629-96-9	0.20	94
47	20.937	Octanoic acid, tetradecyl ester	16456-36-3	0.04	63
48	21.254	1-Propyldodecyl octanoate	0-00-0	0.03	74
49	21.387	Hexadecamethylheptasiloxane	541-01-5	0.04	78
50	21.877	2-Propenoic acid, 3-(4-methoxyphenyl)-, 2-ethylhexyl est Parsol MCX	5466-77-3	0.12	80
51	22.644	Hexadecyl 2-ethylhexanoate	59130-69-7	0.06	89
52	22.810	Carbonic acid, decyl 2-ethylhexyl ester	0-00-0	0.14	85
53	23.048	Di-n-octyl phthalate	117-84-0	0.14	95
54	23.416	1-Ethylhexanoic anhydride	36765-89-6	0.09	78
55	24.571	Bis(2-ethylhexyl) isophthalate	137-89-3	0.06	87

Note.

^aRt, retention time of pyrolytic product.

^bThe relative contents of pyrolytic products were calculated by peak area normalization, and results are expressed as the ratio of single constituent area to total area.

^cSI, index of similarity.