polymer co-crystal

synonyms: polymer mixed crystal, polymer-based crystalline molecular complex
https://doi.org/10.1351/goldbook.14240
Crystal structure in which at least two substances coexist, one of which is a polymer.
Note: Types of polymer co-crystals are: (1) polymer clathrate, (2) isomorphous polymer co-crystal, (3) crystalline polymer-inclusion complex. Examples are provided under each separate entry.
Source:
PAC, 2011, 83, 1831. (Definitions of terms relating to crystalline polymers (IUPAC Recommendations 2011)) on page 1850 [Terms] [Paper]