07307 IUPAC Gold Book - multicoat morphology 10.1351/goldbook.MT07307 MT07307 current 1 Morphology observed in a blend of a block copolymer with the homopolymer of one of the blocks and characterized by alternating concentric shells of the copolymer and the homopolymer. The morphology is identical to onion morphology within a matrix of homopolymer. Morphology https://goldbook.iupac.org//terms/view/MT07285 block copolymer https://goldbook.iupac.org//terms/view/B00683 copolymer https://goldbook.iupac.org//terms/view/C01335 homopolymer https://goldbook.iupac.org//terms/view/H02854 onion morphology https://goldbook.iupac.org//terms/view/OT07305 PAC, 2004, 76, 1985. 'Definition of terms related to polymer blends, composites, and multiphase polymeric materials (IUPAC Recommendations 2004)' on page 2004 (https://doi.org/10.1351/pac200476111985) https://goldbook.iupac.org/terms/view/MT07307/html https://goldbook.iupac.org/terms/view/MT07307/json https://goldbook.iupac.org/terms/view/MT07307/plain Citation: 'multicoat morphology' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.MT07307 The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. 2026-04-21T09:16:14+00:00