... · 分子重排 molecular rearrangement · 分子量调节剂 molecular weight modifier · 分子工程 molecular engineering ...
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The polyurethane glue stock used for making draft roll was investigated by using self made chain extender and modifier. The varieties and molecular weight of polyester polyol were selected.
采用自制扩链剂与改性剂,通过对聚合多元醇的品种与分子量的选择,研制出了适合纺织牵伸辊用的聚氨酯胶料。
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