When the content of PEG is high, hydrolytic degradation rate of the copolymer was relatively fast.
当PEG含量较高时，PEG从聚合物链上断裂溶解使得聚合物的降解速率相对较快；
The effect of molecular weight and content of PEG in soft segment on morphology and properties of TPU was studied.
研究了聚乙二醇分子量和含量对TPU 的结构和性能的影响，提出了在TPU 软段中引入PEG可以改善其与硝酸酯的混溶能力。
With increasing the content of PEG in block copolymer, the surface contact Angle and the adhered bacteria on surfaces of polymers decreased.
PEG嵌段在共聚物中的含量越高，材料表面接触角越小，黏附的细菌越少。
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