Two sulfonyl group-containing bis(ether anhydride)s, 4,4 -[sulfonylbis(1,4-phenylene)dioxy]diphthalic anhydride ( IV ) and 4,4 -[sulfonylbis(2,6-dimethyl-1,4-phenylene)dioxy]diphthalic anhydride (Me-IV ), were prepared in three steps starting from the nucleophilic nitrodisplacement reaction of the b
Synthesis of bis(hydroxyethyl ether)s of aromatic dihydroxy compounds and poly(ether-carbonate)s with bisphenol A
β Scribed by Hait, S.B.; Sivaram, S.
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 125 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0959-8103
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β¦ Synopsis
A new class of copoly(ether-carbonate)s was synthesized using a melt polycondensation reaction of the bis(hydroxyethyl ether) of bisphenol A with bisphenols and diphenyl carbonate. Copolymers with a wide range of values T g (62Γ140Β‘C) were obtained. The copolymer structures were established by 1H NMR, 13C NMR and FTIR investigations.
Society of Chemical
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Bis(4-oxybenzoic acid) tetrakis(phenoxy) cyclotriphosphazene 4,6,3,5,2l 5 ,4l 5 ,6l 5 -triazatriphosphinin-2-yl]oxy-benzoic acid) was synthesized and direct polycondensed with diphenylether or 1,4-diphenoxybenzene in Eaton's reagent at the temperature range of 80-120ΠC for 3 hours to give aromatic p
Four bis(ether anhydride)s, 4,4Π-(1,4-phenylenedioxy)diphthalic anhydride (IV), 4,4Π-(2,5-tolylenedioxy)-diphthalic anhydride (Me-IV), 4,4Π-(2-chloro-1,4-phenylenedioxy)diphthalic anhydride (Cl-IV), and 4,4Π-(2,5-biphenylenedioxy)diphthalic anhydride (Ph-IV), were prepared in three steps starting fr