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Updated: Jul 12, 2026

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water
16:24

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water

Published on: August 2, 2012

控制液体表面上的两性分子多态晶体薄膜的结构和生长

S P Weinbach, K Kjaer, W G Bouwman

    Science (New York, N.Y.)
    |June 10, 1994
    PubMed
    概括

    研究人员观察了两性膜中晶体三层域的自我组装. 这一发现提供了对晶体核和生长的见解,有助于控制液体表面的多层.

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    Polymer Classification: Crystallinity01:21

    Polymer Classification: Crystallinity

    Unlike ionic or small covalent molecules, polymers do not form crystalline solids due to the diffusion limitations of their long-chain structures. However, polymers contain microscopic crystalline domains separated by amorphous domains.
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    Crystallization is a phase transformation process in which crystals are precipitated from a supersaturated solution or formed from other sources. During crystallization, atoms or molecules arrange themselves into a well-defined, rigid crystal lattice to minimize energy.
    Initiating crystallization involves manipulating the concentration of the solute and the temperature of the solution. Since crystal growth occurs when the ratio of concentration and solubility of the solute in the solvent – the...