Term: sequential interpenetrating polymer network https://doi.org/10.1351/goldbook.ST07566 Definition: interpenetrating polymer network prepared by a process in which the second component network is formed following the formation of the first component network. Related Terms: 1) interpenetrating polymer network (http://doi.org/10.1351/goldbook.I03117). 2) network (http://doi.org/10.1351/goldbook.NT07562). Source: PAC, 2007, 79, 1801. 'Definitions of terms relating to the structure and processing of sols, gels, networks, and inorganic-organic hybrid materials (IUPAC Recommendations 2007)' on page 1814 (https://doi.org/10.1351/pac200779101801) Citation: 'sequential interpenetrating polymer network' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.ST07566 License: 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. Disclaimer: 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.