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Hierarchical structure in polymeric materials.

E Baer, A Hiltner, H D Keith

    Science (New York, N.Y.)
    |February 27, 1987
    PubMed
    Summary
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    High polymer structure is organized hierarchically from molecular to macrolevels. Understanding these structural levels and their interactions is key to polymer science and biomaterials.

    Area of Science:

    • Polymer Science
    • Materials Science
    • Biomaterials Science

    Background:

    • The synthesis of high polymers utilizes diverse monomers, enabling the creation of a broad spectrum of long-chain macromolecular compounds.
    • Understanding polymer structure is crucial for predicting and controlling material properties.

    Purpose of the Study:

    • To explore the hierarchical organization of polymer structures.
    • To examine the influence of interactions across different structural levels (molecular, nano-, micro-, macrolevels) on polymer properties.
    • To discuss structural hierarchies in both synthetic polymers and natural biocomposite systems.

    Main Methods:

    • Conceptual analysis of polymer structure across multiple levels.
    • Review of examples from semicrystalline, liquid-crystalline, and amorphous polymers.

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  • Discussion of structural hierarchies in biological tissues like tendon and intervertebral disk.
  • Main Results:

    • Polymer structure can be viewed hierarchically, with distinct influences at molecular, nano-, micro-, and macrolevels.
    • Interactions within and between these levels significantly impact material properties.
    • Structural hierarchy principles apply to diverse polymer types and biological tissues.

    Conclusions:

    • A hierarchical perspective is essential for comprehending polymer behavior.
    • This framework aids in the design and application of advanced polymer materials and biomaterials.
    • Further research into structure-property relationships across all hierarchical levels is warranted.