摘要：Compressible and monolithic microporous polymers ( MP s) are reported. MP s were prepared as monoliths via a Sonogashira–Hagihara coupling reaction of 1,3,5-triethynylbenzene ( TEB ) with the bis(bromothiophene) monomer ( PBT-Br ). The polymers were reversibly compressible, and were easily cut into any form using a knife. Microscopy studies on the MP s revealed that the polymers had tubular microstructures, resembling those often found in marine sponges. Under compression, elastic buckling of the tube bundles was observed using an optical microscope. MP-0.8 , which was synthesized using a 0.8:1 molar ratio of PBT-Br to TEB , showed microporosity with a BET surface area as high as 463 m2g–1. The polymer was very hydrophobic, with a water contact angle of 145° and absorbed 7–17 times its own weight of organic liquids. The absorbates were released by simple compression, allowing recyclable use of the polymer. MP s are potential precursors of structured carbon materials; for example, a partially graphitic material was obtained by pyrolysis of MP-0.8 , which showed a similar tubular structure to that of MP-0.8 .
