Architecture of ladder, tubular and sieve-plate polymers prepared by stepwise coupling polymerization

"Stepwise-coupling polymerization" (SCP) is a very useful approach for prep aring microstructure-controllable ordered network polymers, including solub le one-dimensional ladderlike polymers (LP) and tubular polymers (TP), and two-dimensional sieve-plate polymers. The novel reactive LPs are important precursors of micro-structure controllable polymers such as "fishbone-" or "rowboat-" like mesomorphic polymers and their metal complexes as well as t ubular polymers (TPs). They are full of great potential for use as advanced materials.