Product Details
SEM Scanning Electron Microscope
SEM image of Shenyang freeze-dried NCC. It can be seen from the figure that a cluster of fibers, rod-like, the sample has the phenomenon of agglomeration.
AFM Atomic Force Microscope
AFM of Shenyang freeze-dried NCC shows that NCC products are needle-like. About 400-500nm long and about 20-30nm in diameter.
Summary of cellulose I particle types and cellulose II
Summary of cellulose I and II particle types
|
Particle Type |
Particle size |
Cross-Section |
Crystallinity (%) |
Iβ(%) |
||
|
Length (um) |
Width (nm) |
Height (nm) |
||||
|
Wood fiber (WF) Plant fiber (PF) |
>2000 |
20-50 (one) |
20-50 (one) |
|
43-65 |
|
|
MCC |
10-50 |
10-50 (one) |
10-50 (one) |
|
80-85 |
|
|
MFC |
0.5-10 |
10-100 |
10-100 |
|
51-69 |
10-66 |
|
NFC |
0.5-2.0 |
4.0-20.0 |
4.0-20.0 |
|
|
|
|
CNC |
0.05-0.5 |
3.0-5.0 |
3.0-5.0 |
Square Square |
54-88 |
68-94 |
|
t-CNC （Tunicate cellulose nanocrystals） |
0.1-4.0 |
~20 |
~8 |
Parallelogram parallelogram |
85-100 |
76-90 |
|
AC (Valonia)(Algae cellulose particles) Cystis cellulose |
>1 |
~20 |
~20 |
Square Square |
|
36-42 |
|
AC (Micrasteries) Star Drum Cellulose |
>1 |
20-30 |
5.00 |
Rectangular |
|
|
|
Acetobacter BC (Acetobacter) |
>1 |
30-50 |
6.0-10.0 |
Rectangular |
63.00 |
3.0-27 |
|
BC (Acetobacter) Chemical Culture |
>1 |
6.0-10.0 |
6.0-10.0 |
Square Square |
|
53.00 |
|
Cellulose II |
Filament filament |
|
|
Cylindrical |
|
|
|
|
|
Original fibers raw pulp fiber |
MFC membrane |
|
Density Density kg/m3 |
BHW |
5 ±2 |
59 ±4 |
|
UBHW |
15± 2 |
76± 4 |
|
|
Specific Surface Specific surface area, m2/g |
BHW |
273 ± 14 |
930 ± 30 |
|
UBHW |
228 ± 10 |
942 ± 82 |
|
|
Roughness—air side Surface roughness (um) |
BHW |
11.2 ± 0.2 |
3.1 ± 1.7 |
|
UBHW |
12.1 ± 0.1 |
3.1 ± 0.8 |
|
|
WVTR water vapor transmission rate [(g/m2 * day)/m] |
BHW |
7.3e-2 ± 3.1e-3 |
8.5e-2 ± 2.6e-2 |
|
UBHW |
1.0e-1 ± 4.2e-3 |
6.3e-2 ± 1.4e-2 |
|
|
Scattering coefficient Scattering coefficient (m2/kg) |
BHW |
35.9 ± 0.5 |
5.1 ± 1.6 |
|
UBHW |
35.4 ± 1.3 |
5.1 ± 0.7 |
|
|
Opacity Opacity (%) |
BHW |
54.0 ± 0.8 |
27.8 ± 6.4 |
|
UBHW |
83.5 ± 0.5 |
30.2 ± 1.0 |
|
|
Elastic modulus Modulus of elasticity (MPa) |
BHW |
2,530 ± 340 |
2,670 ± 230 |
|
UBHW |
4,554 ± 864 |
6,292 ± 1,414 |
|
|
Tensile index tensile index [(N * m)/g] |
BHW |
27 ± 3.1 |
21 ± 3.4 |
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