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Updated: Jun 30, 2025

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在超细纳米限制下聚乳酸的动力学:集体接口效应和空间梯度

Shiwang Cheng1, David Kogut1, Juncheng Zheng1

  • 1Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, Michigan 48824, USA.

The Journal of chemical physics
|March 20, 2024
PubMed
概括

超细纳米封闭显著改变了聚合物动态,增加了玻璃过渡温度和脆弱性. 新的发现揭示了在接口附近明显的放松行为,挑战了对聚合物如聚乳酸的现有理论.

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Ziegler–Natta Chain-Growth Polymerization: Overview01:17

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Ziegler–Natta polymerization is another form of addition or chain‐growth polymerization used for synthesizing linear polymers over branched polymers. The catalyst used for polymerization is the Ziegler–Natta catalyst, named after Karl Ziegler and Giulio Natta, who developed it in 1953. This catalyst is an organometallic complex of titanium tetrachloride and triethyl aluminum, with the active form of the catalyst being an alkyl titanium compound. Using the Ziegler–Natta...
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