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  |