Table 3.

Identified chemical compounds in evolved gas derived from insoluble mass of cured SC adhesives heated at 500 °C for 60 s.

Peak Number	RT (min)	SI	Compound	CAS	MW	Formula	Chemical Structure Number
a	1.72	96	Methoxyethene	107-25-5	58	C3H6O	I
b	2.32	94	2-Methylfuran	534-22-5	82	C5H6O	II
c	3.33	96	2,5-Dimethylfuran	625-86-5	96	C6H8O	III
d	4.77	94	Furfural	98-01-1	96	C5H4O2	IV
e	5.15	90	2,3-Dihydro-5-methyl-2-furanone	591-12-8	98	C5H6O2	V
f	5.59	96	2-Acetylfuran	1192-62-7	110	C6H6O2	VI
g	6.01	97	Citraconic acid anhydride or Itaconic anhydride	616-02-4 or 2170-03-8	112	C5H4O3	VII VIII
h	6.11	94	5-Methylfurfural	620-02-0	110	C6H6O2	IX
i	6.82	91	2,5-Furandicarboxaldehyde	823-82-5	124	C6H4O3	X
j	7.60		Levoglucosenone	37112-31-5	126	C6H6O3	XI
k	8.60		Unknown