INCI名稱:醋酸丁酸纖維素
應用/使用
汽車OEM
涂料
涂料用于汽車
涂料汽車塑料
涂料塑料
指甲護理
卡車/巴士/商用車
產品描述
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(CAB -551- 0.2 )的纖維素酯具有高丁酰基含量和相對低的分子量。這是與許多交聯樹脂相容并具有較低的溶液粘度。在涂料,伊士曼™ CAB- 551- 0.2提供了明確的電影,可減少表面粘性和色斑,減少縮孔,改善流動和熱回流,并提供層間附著力和良好的紫外線穩定性。它是耐用的交聯的制劑是有用的。其具有廣泛的固化的樹脂體系,其溶解度在各種各樣的溶劑和溶劑組合的良好的相容性使其可用作在許多涂料組合物中的添加劑。伊士曼™纖維素酯是基于高達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 | 52 wt % | |||
Acetyl Content | 2 wt % | |||
Hydroxyl Content | 1.8% | |||
Viscosity a | 0.76 poise | |||
Color b | 50 ppm | |||
Haze b | 15 ppm | |||
Acidity as Acetic Acid | 0.02 wt % | |||
Ash Content | <0.05% | |||
Refractive Index | 1.475 | |||
Melting Point | 130-140°C | |||
Glass Transition Temperature (Tg) | 101°C | |||
Specific Gravity | 1.16 | |||
Wt/Vol | 1.16 kg/L (9.67 lb/gal) | |||
Bulk Density | ||||
|
515 kg/m3 (32 lb/ft3 ) | |||
|
612 kg/m3 (38 lb/ft3 ) | |||
Dielectric Strength | 787-984 kv/cm (2-2.5 kv/mil) | |||
Molecular Weight c Mn | 30000 | |||
Tukon Hardness | 15 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 CAB-551-0.2 dissolved in a Rule 66 exempt blend of lacquer solvents, using Pt-Co color standards and a monodisperse polystyrene latex suspension haze standard. c Polystyrene equivalent number average molecular weight determined by gel permeation chromatography. |