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指数越大,相对分子质量分布越广,当 PDI 在 1.10~ 参考文献:
1.5 之间,说明是逐步合成的聚合物,与扫描结果(图 [1] Jang W D, Hwang J H, Kim H U, et al. Bacterial cellulose as an
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13
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结晶度,结晶度越高,渗透性越低,因为与无定形 膜和片材透水蒸气性试验方法(杯式法)): GB/T1037—1989[S].
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2
成聚合物通常具有较低的 WVTR〔18~20 g/(m ·d) 〕 督局 ). Plastic film and sheet gas permeability test method -
3
2
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2
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