subchain

of a polymer
https://doi.org/10.1351/goldbook.S06065
An arbitrarily chosen contiguous @ST06775@ of @C01288@ in a @C00946@.
Note:
The term 'subchain' may be used to define designated subsets of the constitutional units in a chain.
Source:
PAC, 1996, 68, 2287. (Glossary of basic terms in polymer science (IUPAC Recommendations 1996)) on page 2293 [Terms] [Paper]