Two poly(aryl ether)s containing naphthyl moieties were prepared from bis(3,5-dimethyl-4-hydroxyphenyl)naphthyl methane (monomer 1) via nucleophilic aromatic substitution polycondensation with bis(4-fluoropheny...Two poly(aryl ether)s containing naphthyl moieties were prepared from bis(3,5-dimethyl-4-hydroxyphenyl)naphthyl methane (monomer 1) via nucleophilic aromatic substitution polycondensation with bis(4-fluorophenyl) ketone and bis(4-fluorophenyl) sulfone. The structures of these polymers were confirmed by 1H NMR. The Mn values of the two polymers were 96,200 and 88,600, respectively. The polymers exhibited good thermal stabilities with 5% mass loss at T 〉 400 and high glass-transition temperature (Ts) of T 〉 250 ℃. Moreover, the resultant polymers were amorphous determined by wide angle X-ray diffraction (WAXD). ?2009 Lei Wang. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All fights reserved.展开更多
基金supported by Natural Science Foundation of Guangdong Province(No.7301357)Science and Technology Projects of Shenzhen City(No.200724).
文摘Two poly(aryl ether)s containing naphthyl moieties were prepared from bis(3,5-dimethyl-4-hydroxyphenyl)naphthyl methane (monomer 1) via nucleophilic aromatic substitution polycondensation with bis(4-fluorophenyl) ketone and bis(4-fluorophenyl) sulfone. The structures of these polymers were confirmed by 1H NMR. The Mn values of the two polymers were 96,200 and 88,600, respectively. The polymers exhibited good thermal stabilities with 5% mass loss at T 〉 400 and high glass-transition temperature (Ts) of T 〉 250 ℃. Moreover, the resultant polymers were amorphous determined by wide angle X-ray diffraction (WAXD). ?2009 Lei Wang. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All fights reserved.