Polymer Mechanochemistry

doi:10.1007/978-3-319-22825-9

Cited by 35 publications

References 29 publications

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Polymer Networks^*

Zhao

Johnson

2022

Macromolecular Engineering

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Polymer networks, which are materials composed of many smaller components – referred to as “junctions” and “strands” – connected together via covalent or noncovalent/supramolecular interactions, are arguably the most versatile, widely studied, broadly used, and important classes of materials known. From the first commercial polymers through the plastics revolution of the twentieth century to today, there are almost no aspects of modern life that are not impacted by polymer networks. Nevertheless, there are still many challenges that must be addressed to enable a complete understanding of these materials and facilitate their development for emerging applications ranging from sustainability and energy harvesting/storage to tissue engineering and additive manufacturing. Here, we provide a unifying overview of the fundamentals of polymer network synthesis, structure, and properties, tying together recent trends in the field that are not always associated with classical polymer networks, such as the advent of crystalline “framework” materials. We also highlight the recent advances in using molecular design and control of topology to showcase how a deep understanding of structure–property relationships can lead to advanced networks with exceptional properties.

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Polymer Networks^*

Zhao

Johnson

2022

Macromolecular Engineering

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Stilbenes Revisited: Understanding the Mechanism of Mechanochemical Coupling

O’Neill¹,

Boulatov²

2022

Molecular Photoswitches

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Going with the Flow: Tunable Flow‐Induced Polymer Mechanochemistry

Willis‐Fox

Rognin

Baumann

et al. 2020

Adv Funct Materials

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Mechanical forces can drive chemical transformations in polymers, directing reactions along otherwise inaccessible pathways, providing exciting possibilities for developing smart, responsive materials. The state‐of‐the‐art test for solution‐based polymer mechanochemistry development is ultrasonication. However, this does not accurately model the forces that will be applied during device fabrication using processes such as 3D printing or spray coating. Here, a step is taken toward predictably translating mechanochemistry from molecular design to manufacturing by demonstrating a highly controlled nozzle flow setup in which the shear forces being delivered are precisely tuned. The results show that solvent viscosity, fluid strain rate, and the nature of the breaking bond can be individually studied. Importantly, it is shown that the influence of each is different to that suggested by ultrasonication (altered quantity of chain breakage and critical polymer chain length). Significant development is presented in the understanding of polymer bond breakage during manufacturing flows to help guide design of active components that trigger on demand. Using an anthracene‐based mechanophore, the triggering of a fluorescence turn‐on is demonstrated through careful selection of the flow parameters. This work opens the avenue for programmed chemical transformations during inline manufacturing processes leading to tunable, heterogeneous final products from a single source material.

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Polymer Mechanochemistry

Cited by 35 publications

References 29 publications

Polymer Networks^*

Polymer Networks^*

Stilbenes Revisited: Understanding the Mechanism of Mechanochemical Coupling

Going with the Flow: Tunable Flow‐Induced Polymer Mechanochemistry

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Polymer Mechanochemistry

Cited by 35 publications

References 29 publications

Polymer Networks*

Polymer Networks*

Stilbenes Revisited: Understanding the Mechanism of Mechanochemical Coupling

Going with the Flow: Tunable Flow‐Induced Polymer Mechanochemistry

Contact Info

Product

Resources

About

Polymer Networks^*

Polymer Networks^*