产品详细
SEM扫描电镜
沈阳冻干NCC的SEM图。从图中可以看到一簇纤维，呈棒状，样品有团聚的现象。
AFM原子力显微镜
沈阳冻干NCC的AFM图，由图知 NCC产品呈针状；长约400-500nm，直径在20-30nm左右。
Summary of cellulose I particle types and cellulose II
纤维素I与II颗粒类型汇总
Particle Type | Particle size | Cross-Section | Crystallinity (%) | Iβ(%) | ||
Length (um) | Width (nm) | Height (nm) | ||||
Wood fiber (WF) Plant fiber (PF) | >2000 | 20-50(um) | 20-50(um) |
| 43-65 |
|
MCC | 10-50 | 10-50(um) | 10-50(um) |
| 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正方形 | 54-88 | 68-94 |
t-CNC （Tunicate cellulose nanocrystals）被囊膜纤维素 | 0.1-4.0 | ~20 | ~8 | Parallelogram 平行四边形 | 85-100 | 76-90 |
AC (Valonia)（Algae cellulose particles ） 法囊藻纤维素 | >1 | ~20 | ~20 | Square正方形 |
| 36-42 |
AC (Micrasterias) 星鼓藻纤维素 | >1 | 20-30 | 5.00 | Rectangular矩形 |
|
|
BC (Acetobacter)醋酸杆菌 | >1 | 30-50 | 6.0-10.0 | Rectangular矩形 | 63.00 | 3.0-27 |
BC (Acetobacter)化学品培养 | >1 | 6.0-10.0 | 6.0-10.0 | Square正方形 |
| 53.00 |
Cellulose II | Filament长丝 |
|
| Cylindrical圆柱 |
|
|
Cellulose nanomaterials review：structure, properties and nanocomposites
MFC films
|
| Original fibers 原浆纤维 | MFC膜 |
Density 密度 kg/m3 | BHW | 5 ±2 | 59 ±4 |
UBHW | 15± 2 | 76± 4 | |
Specific Surface 比表面积, m2/g | BHW | 273 ± 14 | 930 ± 30 |
UBHW | 228 ± 10 | 942 ± 82 | |
Roughness—air side 表面粗糙度(um) | BHW | 11.2 ± 0.2 | 3.1 ± 1.7 |
UBHW | 12.1 ± 0.1 | 3.1 ± 0.8 | |
WVTR 水蒸气透过率 [(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 散射系数 (m2/kg) | BHW | 35.9 ± 0.5 | 5.1 ± 1.6 |
UBHW | 35.4 ± 1.3 | 5.1 ± 0.7 | |
Opacity 不透明度 (%) | BHW | 54.0 ± 0.8 | 27.8 ± 6.4 |
UBHW | 83.5 ± 0.5 | 30.2 ± 1.0 | |
Elastic modulus 弹性模量(MPa) | BHW | 2,530 ± 340 | 2,670 ± 230 |
UBHW | 4,554 ± 864 | 6,292 ± 1,414 | |
Tensile index 抗张指数 [(N * m)/g] | BHW | 27 ± 3.1 | 21 ± 3.4 |
在线留言
填写您的电话和E-mail信息，将有助于我们及时与您取得联系，尽快解决您的问题。
