| 聚对苯二甲酸丁二醇酯 | 
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 | 
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| 货号              | 
Mw  | 
Mn | 
Mz | 
IV*  | 
 |  
| PBT55K  | 
54,600 | 
24,200 | 
93,000 | 
1.2 | 
 |  
| PBT52K | 
52,500 | 
27,200 | 
82,000 | 
1.145 | 
 |  
| PBT44K | 
43,600 | 
21,200 | 
71,000 | 
1 | 
 |  
| PBT37K | 
37,200 | 
18,300 | 
58,200 | 
0.85 | 
 |  
| PBT29K | 
29,300 | 
15,900 | 
45,000 | 
0.67 | 
 |  
| PBT16K | 
16,150 | 
8,150 | 
27,500 | 
0.284 | 
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 |  
| IV* 5 Intrinsic Viscosity (dL/g) in o5chlorophenol at 25°C  |  
| (a = 0.915; K = 0.0000622)  | 
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