Multiphase @MT07285@ of roughly spherical shape that comprises alternating layers of different polymers arranged concentrically, all layers being of similar thickness.
Source: PAC, 2004, 76, 1985. (Definition of terms related to polymer blends, composites, and multiphase polymeric materials (IUPAC Recommendations 2004)) on page 2004 [Terms] [Paper]
Citation: 'onion morphology' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.OT07305 RISBibTexEndNote