Abstract
In this paper we consider the structure and properties of polymeric materials possessing spatial gradients as well as potential applications of such materials.These gradients may be generated by varying the chemical nature of the monomers, the molecular constitution of the polymers and the supramolecular structure or morphology of the polymers. Gradients in each of these categories are possible for single-phase as well as heterophase systems. Such gradients are associated with gradients in properties.
The properties considered are chemical, mechanical, biomedical and transport properties. Structural gradients in the polymeric system may lead to a desired gradient in a single property, or to a combination of more than one property which may assume optimum values in different regions of the material. In the latter case, one of the properties is frequently related to mechanical integrity.
Possible applications of gradient polymeric systems include platic gasoline tanks, biomedical implants, and damping materials for a wide frequency range.
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Shen, M., Bever, M.B. Gradients in polymeric materials. J Mater Sci 7, 741–746 (1972). https://doi.org/10.1007/BF00549902
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DOI: https://doi.org/10.1007/BF00549902