2001年5月7日
Cellulose Acetate Butyrate (CAB) is an amorphous, transparent thermoplastic quite like cellulose acetate but more expensive and tougher with improved weathering resistance and lower moisture absorption.
聚合物类型
热塑性
Advantages
The advantages of Cellulose Acetate Butyrate include:
- Better weathering characteristics than Cellulose Acetate or Cellulose Propionate.
- Tougher than Cellulose Acetate.
- Lower moisture absorption than Cellulose Acetate.
- Transparent and glossy surface finish.
缺点
乙酸丁酯纤维素的缺点包括：
- 受到许多溶剂的攻击或肿胀，包括氯化和芳烃，醇和酮
- More expensive than Cellulose Acetate
Applications
Tool handles, panels for illuminated signs, steering wheels, goggles, bathroom fittings, decorative trim for cars and consumer durables, drawing stencils, pens, pneumatic system traps, blister packaging, laminating with aluminium foil.
Applications are also related to the addition of signs and goggles and the exclusion of graphics films.
Typical Properties
| Property |
价值 |
| Density (g/cm3) |
1.18 |
| 表面硬度 |
RR69 |
| Tensile Strength (MPa) |
35 |
| 弯曲模量（GPA） |
1.3 |
| Notched Izod (kJ/m) |
0.26 |
| Linear Expansion (/°C x 10-5) |
12 |
| Elongation at Break (%) |
60 |
| Strain at Yield (%) |
4 |
| Max. Operating Temp. (°C) |
60 |
| Water Absorption (%) |
1.3 |
| Oxygen Index (%) |
17 |
| Flammability UL94 |
HB |
| Volume Resistivity (log ohm.cm) |
11 |
| Dielectric Strength (MV/m) |
10 |
| 耗散因子1 kHz |
0.04 |
| Dielectric Constant 1 kHz |
5 |
| HDT @ 0.45 MPa（°C） |
73 |
| HDT @ 1.80 MPa (°C) |
62 |
| Material. Drying hrs @ (°C) |
2 @ 70 |
| 熔化温度。范围（°C） |
170 - 240 |
| 霉菌收缩（％） |
0.5 |
| Mould Temp. Range (°C) |
40 - 50 |
资料来源：从plascams抽象
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