Patent ID: 6512076
Filing Date: 2003-01-28
Classification: C08G,G02B

Abstract:
A method for preparing polyarylene ether sulfide derivatives or polyarylene ether sulfone derivatives containing fluorine, by polycondensing pentafluorophenyl sulfide or pentafluorophenyl sulfone monomer as represented in the following formula 1 with a dihydroxy compound selected from the group consisting of 9,9â€²-bis(4-hydroxyphenyl)fluorene, 2,2â€²,3,3â€²,5,5â€²,6,6â€²-octafluoro-4,4â€²-biphenol, 4,4â€²-isopropylenediphenol or 4,4â€²-(hexafluoroisopropylidene)diphenol (6F-BPA): wherein, R is sulfide (â€”Sâ€”) or sulfone (â€”SO2â€”).