copolymer isomorphism

https://doi.org/10.1351/goldbook.14236
Macromolecular isomorphism involving copolymers.
Examples: Isotactic copolymers of propene and but-1-ene, copolymers of propene and ethene, and various polyesters.
Source:
PAC, 2011, 83, 1831. (Definitions of terms relating to crystalline polymers (IUPAC Recommendations 2011)) on page 1850 [Terms] [Paper]