Tungstophosphoric acid pillar double hydroxides with composition of M2Al-PW12 [M=Zn2+, Co2+, Ni2+, Mg2+] have been synthesized and their catalytic activities fo
New thermoplastic norbornene polymers containing ester groups were prepared byvinylic polymerization of norbornene-carboxylic acid esters by Pd(Ⅱ)-based cataly