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- W2363751092 abstract "Three novel linear polyesters(P1～P3) containing azobenzene unit are synthesized by condensation polymerization of diethyl 5-(4-alkoxy phenylazo) isophthalate and different glycols(1,3-propylene glycol,1,6-hexylene glycol,polyethylene glycol-400).The structure and properties of the polyesters(P1～P3) are confirmed by IR,UV-vis,1H NMR,SEC and TG-DTA.Polyesters(P1～P3) containing azobenzene unit dissolve in common organic solvents such as tetrahydrofuran and chloroform,et al.The intrinsic viscosities of polyesters(P1～P3) in chloroform are 0.514 6,0.463 9,0.565 7 dL/g,the Mw are 39 200,34 983,45 507 g/mol,5% weight loss temperature of polyesters(P1～P3) are 287,276,335 ℃.Polyesters(P1～P3) take place trans-cis photoisomerization under 365 nm UV irradiation.With the ultraviolet excitation at 350 nm,polyesters(P1～P3) emit purple fluorescence at 398 nm." @default.
- W2363751092 created "2016-06-24" @default.
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- W2363751092 date "2011-01-01" @default.
- W2363751092 modified "2023-09-22" @default.
- W2363751092 title "Synthesis and propertiesof polyesters containing azobenzene unit" @default.
- W2363751092 hasPublicationYear "2011" @default.
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