rigid chain

https://doi.org/10.1351/goldbook.RT06871
The rod-like chain of an MCPLC (@MT06869@) with direct links between the @MT06858@ for which the persistence length is at least comparable with the contour length and much greater than the diameter.
Source:
PAC, 2002, 74, 493. (Definitions of basic terms relating to polymer liquid crystals (IUPAC Recommendations 2001)) on page 505 [Terms] [Paper]