primitive chain

https://doi.org/10.1351/goldbook.12271
Polymer chain allowed to undergo reptation along the tube created by neighbouring chains.
Note: The chain can be depicted as a connected sequence of blobs.
Source:
PAC, 2015, 87, 71. (Definitions of terms relating to individual macromolecules, macromolecular assemblies, polymer solutions, and amorphous bulk polymers (IUPAC Recommendations 2014)) on page 106 [Terms] [Paper]