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含苯侧基杂环聚芳酰胺酰亚胺的合成与性能 被引量:1

THE SYNTHESIS AND PROPERTIES OF POLYAMIDEIMIDES CONTAINING PHENYL-SUBSTITUTED PHTHALAZINONE MOIETIES
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摘要 A novel diamine 2H (4 aminophenyl) 4 (3 phenyl 4 aminophenoxy) 2,3 phthalazin 1 one(1) containing N—C coupling bond was synthesized and reacted with four aryl diimide dicarboxylic acids to prepare a series of new aromatic poly(amide imide)s via direct polycondensation using Yamazaki phosphorylation procedure.The polymers obtained in high yield had high molecular weight with the inherent viscosity in the range of 0 50~0 70 dLg -1 .Differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) indicated that the polymers had high glass transition temperature of 317~343℃ and good thermostability with 10% weight loss temperature above 440℃.They were readily soluble in polar solvents such as NMP、DMF and m cresol etc and clear,tough,flexible films can be cast from their DMAc solutions.The structure of monomer and their polymers was characterized by MS、FT IR and 1H NMR and they are consistant with the proposed structure.X ray diffraction showed that all poly(amide imide)s were amorphous. A novel diamine 2H-(4-aminophenyl)-4-(3-phenyl-4-aminophenoxy)-2, 3-phthalazin-1-one ( 1) containing N-C coupling bond was synthesized and reacted with four aryl diimide-dicarboxylic acids to prepare a series-of new aromatic poly(amide imide)s via direct polycondensation using Yamazaki phosphorylation procedure. The polymers obtained in high yield had high molecular weight with the inherent viscosity in the range of 0.50 similar to 0.70 dLg(-1). Differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) indicated that the polymers had high glass transition temperature of 317 similar to 343degreesC and good thermostability with 10% weight loss temperature above 440degreesC. They were readily soluble in polar solvents such as NMP, DMF and m-cresol etc and clear, tough, flexible films can be cast from their DMAc solutions. The structure of monomer and their polymers was characterized by MS, FT-IR and H-1-NMR and they are consistant with the proposed structure. X-ray diffraction showed that all poly(amide imide)s were amorphous.
出处 《高分子学报》 SCIE CAS CSCD 北大核心 2002年第4期544-547,共4页 Acta Polymerica Sinica
关键词 杂环聚芳酰胺酰亚胺 合成 性能 杂萘联苯 溶解性 结构 poly(amide imide) phthalazinone heat resistant solubility
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