Table 3 Major peak identification in the TD-step (from 50 to 320 °C) and in the Py-step (600 °C) of the pale pink core and yellow surface of PUR elastomer

TD-step

1

Acetaldehyde

40, 41, 42, 43, 44

2

Propylene oxide

29, 43, 58

3

Propylenglycol

43, 45, 76

4

Diisopropyl ether

44, 45, 87, 102

5

2-Ethyl-1-hexene

41, 42, 55, 70, 112

6

Styrene

51, 77, 78, 104

7

2-Ethylhexanol

41, 55, 57, 70, 83, 98, 130

8

1-Nonanol

29, 41, 56,70, 83, 97, 126

9

Phthalic anhydride

50,76, 104, 148

10

4-Phenylbutyronitrile

51, 65, 77, 91, 104, 115, 145

11

4-Phenylpent-4-enenitrile (hybrid dimer)

51, 63, 77, 91, 103, 115, 117, 130, 142, 157

12

Diethyl phthalate (DEP)

50, 65, 76, 105,149, 177, 222

13

2-Methylene-4-phenyl heptanedinitrile (hybrid trimer)

51, 65, 77, 91, 105, 156, 209, 210

14

2-Methylene-4-phenethyl pentanedinitrile (hybrid trimer)

51, 65, 77, 91, 104, 117, 128, 144, 210

15

2-(2-Phenylallyl)pentadinitrile (hybrid trimer)

51, 65, 77, 91, 104, 118, 129, 144, 156, 170, 198, 210

16

Dibutyl phthalate (DBP)

76, 104, 149, 204, 278

17

Methylene diphenyl diisocyanate (MDI)

77, 132, 165, 180, 208, 221, 250

18

2-Phenethyl-4-phenylpent-4-enenitrile (hybrid trimer)

51, 65, 77, 91, 105, 115, 118, 129, 142, 156, 170, 261

19

Bis(2-ethylhexyl)phthalate (DEHP)

43, 57, 71, 104, 149, 167, 279, 390

20

2-(2′-Hydroxy,3′,5′-di-tert-amylphenyl)benzotriazole (Tinuvin 328)

43, 71, 92, 149, 252, 322, 351

21

Diisononyl phthalate (DINP)

43, 57, 71, 85, 97, 127, 149, 167, 293, 418

Py-step

22

Propylene

38, 39, 40, 41, 42

23

Acrylonitrile

50, 51, 52, 53

24

Metacrylonitrile

39, 41, 52, 67

25

Pentenenitrile

39, 41, 54, 66, 81

26

Diisopropyl ether

41, 43, 45, 59, 87, 102

27

2-Propanone, 1-(1-methylethoxy)-

41,43, 58, 73, 116

28

Ethylbenzene

51, 65, 77, 91, 106

29

Styrene

51, 63, 78, 104

30

Isopropylbenzene

51, 77, 91, 105, 120

31

α-Methylstyrene

51, 63, 78, 91, 103, 118

32

2-Methylenepentanedinitrile

52, 66, 79, 106

33

4-Phenylbutyronitrile

51, 65, 77, 91, 104, 115, 145

34

4-Phenylpent-4-enenitrile (hybrid dimer)

51, 63, 77, 91, 103, 115, 130, 142, 157

35

2-Methylene-4-phenethyl pentanedinitrile (hybrid trimer)

51, 65, 77, 91, 105, 156, 209, 210

36

2-Methylene-4-phenyl heptanedinitrile (hybrid trimer)

51, 65, 77, 91, 104, 117, 144, 210

37

2-(2-Phenylallyl)pentadinitrile (hybrid trimer)

51, 57, 65, 77, 91, 104, 118, 129, 144, 156, 170, 198, 210

38

2-Phenethyl-4-phenylpent-4-enenitrile (hybrid trimer)

51, 65, 77, 91, 105, 115, 118, 129, 142, 156, 170, 261