The results showed it might raise the heat st resistance of casting polyurethane to use the compound chain extender of MOCA ad TMP and quartz powder.
试验结果表明:MOCA与TMP并用作为交联剂及填加无机耐热填料石英粉可提高聚氨酯耐热性。
A kind of polymer is simplified to be an one-dimensional compound chain, the localized vibration modes caused by one defect in this kind of polymer are discussed.
将聚苯胺等一类聚合物简化成一维复式线性链,讨论了这一类聚合物仅含一个点缺陷时的振动模。
A kind of polymer is simplified to be an one-dimensional compound chain, the localized vibration modes caused by one defect in this kind of polymer are discussed.
将聚苯胺等一类聚合物简化成一维复式线性链,讨论了这一类聚合物仅含一个点缺陷时的振动模。
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