partly financed by the Major State Basic Research Development Program of China(No.2003 CB615700);the National Natural Science Foundation of China(No.20604005).
Chloromethylated poly(phthalazinone ether sulfone ketone) (CMPPESK) was prepared from poly(phthalazinone ether sulfone ketone) (PPESK) using chloromethyl octyl ethers (CMOE) with lower toxicity as chlorometh...