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Synthesis and Properties of Novel Poly (Aryl Ether Ketone) Contain Biphenyl and Naphthalene Moieties in Main Chain

Author: ChenMengFei
Tutor: CaiMingZhong
School: Jiangxi Normal University
Course: Polymer Chemistry and Physics
Keywords: 2,6-Di(4-phenoxybenzoyl)naphthalene (DPOBON) Poly (aryl ether ket-one) containing naphthalene moieties 4,4′-Di(1-naphthoxy)benzophenone (DNOBPN) 4,4′-Di(4-phenoxybenzoyl)biphenyl (DPOBBP) Electrophilic polycondensation
CLC: O631.3
Type: Master's thesis
Year: 2012
Downloads: 52
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Abstract


From four aromatic ether monomers, N,N′-di(4-phenoxybenzoyl)–p-phenylenedia-mine (DPBPPD),2,6-di(4-phenoxybenzoyl)naphthalene (DPOBON),4,4′-di(1-naph-thoxy)benzophenone (DNOBPN),4,4′-di(4-phenoxybenzoyl)biphenyl (DPOBBP),and isophthaloyl chloride (IPC) or terephthaloyl chloride (TPC). we synthesized threenew types of novel poly(aryl ether ketone)s containing biphenyl and naphthalenemoieties by electrophilic polycondensation.1. A series of poly(ether ketone amide)/poly(ether ketone ketone) containing2,6-naphthalene moieties (PEKA/PEKNKEKK) copolymers were prepared from N,N′-di(4-phenoxybenzoyl)–p-phenylenediamine(DPBPPD) and2,6-di(4-phenoxy benzoyl)naphthalene(DPOBON) with isophthaloyl chloride (IPC) by electrophilic polyconden-sation. The structures and properties of the copolymers were investigated by FT-IR,DSC, TG, XRD etc. The results showed that all the copolymers are semicrystall-ine.The glass transition temperatures of the copolymers increased with the increase inDPBPPD content. The copolymers with30mol％DPBPPD had not only high Tg of180℃,but also a moderate Tm of321℃, which are extremely suitable for meltprocessing.2. A series of novel poly(aryl ether ketone)s containing alene moieties wereprepared from4,4′-di(1-naphthoxy)benzophenone (DNOBPN) and2,6-di(4-phenoxybenzoyl)naphthalene (DPOBON) with terephthaloyl chloride (TPC) by electrophilicpolycondensation. The structures and properties of the copolymers were investigatedby FT-IR, DSC, TG, XRD etc. The results showed that the glass transitiontemperatures of the copolymers increased with the increase in DNOBPN content. Thecopolymers with10-30mol%DNOBPN are semicrystalline. The copolymers with30mol%DNOBPN had not only high Tg of194℃,but also a moderate Tm of329℃,which are suitable for melt processing.3. A series of novel poly(aryl ether ketone)s containing borh biphenyl andnaphthalene moieties copolymers were prepared from4,4′-di(1-naphthoxy)benzo-phenone (DNOBPN) and4,4′-di(4-phenoxybenzoyl)biphenyl (DPOBBP) withisophthaloyl chloride (IPC) by electrophilic polycondensation. The structures and properties of the copolymers were investigated by FT-IR, TG, DSC, XRD etc. Theresults showed that the glass transition temperatures of the copolymers increased withthe increase in DNOBPN content. The copolymers with10-30mol%DNOBPN aresemicrystalline. The copolymers with30mol%DNOBPN had not only high Tg of187℃, but also a moderate Tms of335℃,which are suitable for melt processing.

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CLC: > Mathematical sciences and chemical > Chemistry > Polymer chemistry ( polymer ) > Polymer physics and physical chemistry of polymers > The chemical nature of polymers
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