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积水化学S-LEC B/K聚乙烯醇缩醛树脂产品型号及应用参数
| 规格 | 平均分子量×104 | 挥发分(%) | 游离酸(%) | 羟基含量(mol%) | 乙酰基含量(mol%) | 丁缩醛化度(mol%) | 乙缩醛化度(mol%) | 粘度*(mPa.s) | 玻璃化温度(°C) |
低聚合度 | BL-1 | ca. 1.9 | 3 max. | 0.05max. | ca. 36 | 3 max. | 63±3 | - | 10 to 30** | 66 |
BL-1H | ca. 2.0 | 3 max. | 0.05max. | ca. 30 | 3 max. | 69±3 | - | 10 to 30** | 63 | |
BL-2 | ca. 2.7 | 3 max. | 0.05max. | ca. 36 | 3 max. | 69±3 | - | 30 to 60** | 68 | |
BL-2H | ca. 2.8 | 3 max. | 0.05max. | ca. 29 | 3 max. | 70±3 | - | 30 to 50** | 64 | |
BL-5 | ca. 3.2 | 3 max. | 0.05max. | ca. 21 | 3 max. | >77 | - | 30 to 50** | 62 | |
BL-10 | ca. 1.5 | 3 max. | 0.05max. | ca. 28 | 3 max. | 71±3 | - | 9 to 15** | 59 | |
BL-S | ca. 2.3 | 3 max. | 0.05max. | ca. 22 | 3 to 5 | 74±3 | - | 10 to 30** | 61 | |
BX-L | ca. 2.0 | 3 max. | 0.05max. | ca. 37 | 3 max. | - | ca. 61 | 10 to 30** | 74 |