component, the elution volume increases from 5.5 mL to 6.3 mL for all fractions
(30–90
C); accordingly, this indicates the difference in the chemical structure or
distribution of the chemical composition in each component, which changes from
0
1
2
3
4
5
6
7
8
9
1 0
0.00
0.05
0.10
0.15
0.20
0.25
0.30
e
Intensity
(2800-3200 cm
-1
)
Elution volume (mL)
3V A - 30 Gram-Schmidt
730 cm
-1 / 720 cm
-1
A (730 cm -1
)/ A (720 cm -1
)
0
1
2
3
4
5
0
1
2
3
4
5
6
7
8
0.00
0.02
0.04
0.06
0.08
0.10
0.12
0.14
3V A - 60 Gram-Schmidt
998 cm
-1 / 972 cm
-1
A (998 cm -1
)/ A (972 cm -1
)
Intensity
(2800-3200 cm
-1
)
Elution volume (mL)
0
1
2
3
4
5
b
0
1
2
3
4
5
6
7
8
0.00
0.02
0.04
0.06
0.08
0.10
0.12
0.14
3V A - 60 Gram-Schmidt
730 cm
-1 / 720 cm
-1
A (730 cm -1
)/ A (720 cm -1
)
Intensity
(2800-3200 cm
-1
)
Elution volume (mL)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
f
0
1
2
3
4
5
6
7
8
0.00
0.05
0.10
0.15
0.20
0.25
3V A - 80 Gram-Schmidt
998 cm
-1 / 972 cm
-1
Intensity
(2800-3200 cm
-1
)
Elution volume (mL)
A (998 cm -1
)/ A (972 cm -1
)
0
1
2
3
4
5
c
0
1
2
3
4
5
6
7
8
0.00
0.05
0.10
0.15
0.20
0.25
Intensity
(2800-3200 cm
-1
)
Elution volume (mL)
A (730 cm -1
)/ A (720 cm -1
)
0
1
2
3
4
5
g
3V A - 80 Gram-Schmidt
730 cm
-1 / 720 cm
-1
0
1
2
3
4
5
6
7
8
9
0.00
0.03
0.06
0.09
0.12
0.15
0.18
h
3V A - 90 Gram-Schmidt
730 cm
-1 / 720 cm
-1
A (730 cm -1
)/ A (720 cm -1
)
Intensity
(2800-3200 cm
-1
)
Elution volume (mL)
0
1
2
3
4
5
0
1
2
3
4
5
6
7
8
9
1 0
0.00
0.05
0.10
0.15
0.20
0.25
0.30
a
3V A - 30 Gram-Schmidt
998 cm
-1 / 972 cm
-1
A (998 cm -1
)/ A (972 cm -1
)
Intensity
(2800-3200 cm
-1
)
Elution volume (mL)
0
1
2
3
4
5
0
1
2
3
4
5
6
7
8
9
0.00
0.03
0.06
0.09
0.12
0.15
0.18
d
A (998 cm -1
)/ A (972 cm -1
)
3V A - 90 Gram-Schmidt
998 cm
-1 / 972 cm
-1
Intensity
(2800-3200 cm
-1
)
Elution volume (mL)
0
1
2
3
4
5
Fig. 3.53 HT-HPLC-FTIR analysis for the TREF fractions 30
C, 60
C, 80
C and 90
C of
sample 3VA, illustrating propylene (a–d) and ethylene crystallinity distributions (e–h) (reprinted
from [111] with permission of Elsevier)
140
3 Column-Based Chromatographic Techniques
(30–90
C); accordingly, this indicates the difference in the chemical structure or
distribution of the chemical composition in each component, which changes from
0
1
2
3
4
5
6
7
8
9
1 0
0.00
0.05
0.10
0.15
0.20
0.25
0.30
e
Intensity
(2800-3200 cm
-1
)
Elution volume (mL)
3V A - 30 Gram-Schmidt
730 cm
-1 / 720 cm
-1
A (730 cm -1
)/ A (720 cm -1
)
0
1
2
3
4
5
0
1
2
3
4
5
6
7
8
0.00
0.02
0.04
0.06
0.08
0.10
0.12
0.14
3V A - 60 Gram-Schmidt
998 cm
-1 / 972 cm
-1
A (998 cm -1
)/ A (972 cm -1
)
Intensity
(2800-3200 cm
-1
)
Elution volume (mL)
0
1
2
3
4
5
b
0
1
2
3
4
5
6
7
8
0.00
0.02
0.04
0.06
0.08
0.10
0.12
0.14
3V A - 60 Gram-Schmidt
730 cm
-1 / 720 cm
-1
A (730 cm -1
)/ A (720 cm -1
)
Intensity
(2800-3200 cm
-1
)
Elution volume (mL)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
f
0
1
2
3
4
5
6
7
8
0.00
0.05
0.10
0.15
0.20
0.25
3V A - 80 Gram-Schmidt
998 cm
-1 / 972 cm
-1
Intensity
(2800-3200 cm
-1
)
Elution volume (mL)
A (998 cm -1
)/ A (972 cm -1
)
0
1
2
3
4
5
c
0
1
2
3
4
5
6
7
8
0.00
0.05
0.10
0.15
0.20
0.25
Intensity
(2800-3200 cm
-1
)
Elution volume (mL)
A (730 cm -1
)/ A (720 cm -1
)
0
1
2
3
4
5
g
3V A - 80 Gram-Schmidt
730 cm
-1 / 720 cm
-1
0
1
2
3
4
5
6
7
8
9
0.00
0.03
0.06
0.09
0.12
0.15
0.18
h
3V A - 90 Gram-Schmidt
730 cm
-1 / 720 cm
-1
A (730 cm -1
)/ A (720 cm -1
)
Intensity
(2800-3200 cm
-1
)
Elution volume (mL)
0
1
2
3
4
5
0
1
2
3
4
5
6
7
8
9
1 0
0.00
0.05
0.10
0.15
0.20
0.25
0.30
a
3V A - 30 Gram-Schmidt
998 cm
-1 / 972 cm
-1
A (998 cm -1
)/ A (972 cm -1
)
Intensity
(2800-3200 cm
-1
)
Elution volume (mL)
0
1
2
3
4
5
0
1
2
3
4
5
6
7
8
9
0.00
0.03
0.06
0.09
0.12
0.15
0.18
d
A (998 cm -1
)/ A (972 cm -1
)
3V A - 90 Gram-Schmidt
998 cm
-1 / 972 cm
-1
Intensity
(2800-3200 cm
-1
)
Elution volume (mL)
0
1
2
3
4
5
Fig. 3.53 HT-HPLC-FTIR analysis for the TREF fractions 30
C, 60
C, 80
C and 90
C of
sample 3VA, illustrating propylene (a–d) and ethylene crystallinity distributions (e–h) (reprinted
from [111] with permission of Elsevier)
140
3 Column-Based Chromatographic Techniques