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INCI名稱(chēng)：醋酸丁酸纖維素
應(yīng)用/使用
涂料
涂料汽車(chē)塑料
涂料塑料
油漆
油漆汽車(chē)
指甲護(hù)理
印刷
卡車(chē)/巴士/商用車(chē)
產(chǎn)品描述
由自然本身提供一種可再生的骨干了不起的聚合物。
伊士曼™醋酸丁酸纖維素（CAB381-0.1）是一種纖維素酯具有中等丁酰基含量和低粘度。它被設(shè)計(jì)用于那些需要低粘度應(yīng)用在相對(duì)較高的固體含量。它可溶于寬范圍的溶劑和與許多其他樹(shù)脂相容的。它也將容忍使用溶劑混合物當(dāng)前豁免于某些空氣污染法規(guī)。它是提供一個(gè)干燥，自由流動(dòng)的粉末。伊士曼™纖維素酯是基于高達(dá)60％的纖維素，豐富的天然可再生資源之一。
物性表：
| Property | Typical Value, Units | |||
| Butyryl Content | 37 wt % | |||
| Acetyl Content | 13 wt % | |||
| Hydroxyl Content | 1.5% | |||
| Viscosity a | 0.38 poise | |||
| Color b | 50 ppm | |||
| Haze b | 15 ppm | |||
| Acidity as Acetic Acid | 0.03 wt % | |||
| Ash Content | <0.01% | |||
| Refractive Index | 1.48 | |||
| Heat Test @ 160°C for 8 hr | Tan melt | |||
| Melting Point | 155-165°C | |||
| Specific Gravity | 1.2 | |||
| Wt/Vol (Cast Film) | 1.2 kg/L (10.0 lb/gal) | |||
| Bulk Density | ||||
|
458.1 kg/m3 (28.6 lb/ft3 ) | |||
|
544.5 kg/m3 (34 lb/ft3 ) | |||
| Dielectric Strength | 787-984 kv/cm (2-2.5 kv/mil) | |||
| Glass Transition Temperature (Tg) | 123°C | |||
| Molecular Weight c Mn | 20000 | |||
| Tukon Hardness | 18 Knoops | |||
| a Viscosity determined by ASTM Method D 1343. Results converted to poises (ASTM Method D 1343) using the solution density for Formula A as stated in ASTM Method D 817 (20% Cellulose ester, 72% acetone, 8% ethyl alcohol). b Determination of color and haze made on a solution of the cellulose ester dissolved in MIBK using Pt-Co color standards and Johns-Manville Celite (diatomaceous silica products) haze standards. c Polystyrene equivalent number average molecular weight determined by gel permeation chromatography. |
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