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| 品牌 | 伊士曼 |
| 货号 | 381-2 |
| 用途 | 用于指甲油,印刷油墨 汽车喷漆 |
| 牌号 | 381-2 |
| 型号 | 381-2 |
| 品名 | CAB |
| 外形尺寸 | 白色粉末 |
| 生产企业 | 伊士曼 |
| 是否进口 | 是 |
产品中文名称：醋酸丁酸纤维素 产品英文名称：CAB |
| 常用名称： | CAB |
| 商标名 牌号： | Eastman CAB-381-2 |
| 化学品中文名称： | 醋酸丁酸纤维素 |
| 化学品英文名称： | CAB |
| 供应商： | 伊士曼 |
| 产品包装： | 20KG/BAG |
| 产地： | |
| 英文缩写名： | CAB |
| 中文俗名： | 醋酸丁酸纤维素 |
技术数据表
伊士曼™醋酸丁酸纤维素（cab-381-2）
应用/用途
汽车OEM
涂料
汽车塑料涂料
涂层布
涂层皮革
涂料，塑料
木器涂料
热封胶
油漆的汽车
漆纸
油漆塑料
漆木
指甲护理
卡车/公共汽车/商用车
产品描述
| Product Description | ||
| Remarkable polymers with a renewable backbone provided by nature itself. Eastman™ CAB-381-2 is a cellulose ester with high butyryl content and high ASTM(A) viscosity. Other than a higher viscosity and molecular weight, this cellulose ester shares the same general characteristics as CAB-381-0.1 and CAB-381-0.5. CAB-381-2 offers a combination of solubility and compatibility, moisture resistance, excellent surface hardness, and good film strength. It is supplied as a dry, free-flowing powder. Eastman™ cellulose esters are based on up to sixty percent cellulose, one of the most abundant natural renewable resources. |
| Eastman CAB-381-2 Typical Properties | ||
| Property | Typical Value, Units | |
| Butyryl Content | 38 wt % | |
| Acetyl Content | 13.5 wt % | |
| Hydroxyl Content | 1.3% | |
| Viscosity a | 7.6 poise | |
| Color b | 125 ppm | |
| Haze b | 35 ppm | |
| Acidity as Acetic Acid | <0.03 wt % max. | |
| Ash Content | 0.05% | |
| Refractive Index | 1.475 | |
| Heat Test @ 160°C for 8 hr | Tan melt | |
| Melting Point | 171-184°C | |
| Specific Gravity | 1.2 | |
| Wt/Vol (Cast Film) | 1.2 kg/L (10.0 lb/gal) | |
| Bulk Density | ||
| Poured | 352 kg/m3 (22 lb/ft3 ) | |
| Tapped | 465 kg/m3 (29 lb/ft3 ) | |
| Dielectric Strength | 787-984 kv/cm (2-2.5 kv/mil) | |
| Glass Transition Temperature (Tg) | 133°C | |
| Molecular Weight c Mn | 40000 | |
| 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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