期刊
JOURNAL OF POLYMER RESEARCH
卷 30, 期 1, 页码 -出版社
SPRINGER
DOI: 10.1007/s10965-022-03356-0
关键词
Isosorbide; Polyesters; Poly(ester amide)s; Symmetrical cyclic anhydrides
Three bio-based isosorbide bis(acid ester)s were synthesized from isosorbide and cyclic anhydrides, and were then converted into diacid dichloride derivatives. These derivatives were used to design bio-based polyesters and poly(ester amide)s with a wide range of thermal properties. The polyesters showed high yields, good thermal stabilities, solubility in organic solvents, and glass transition temperatures ranging from -13.7 to 102.8 degrees C. Novel aliphatic poly(ester amide)s were also synthesized, exhibiting good thermal stabilities, solubility in organic solvents, and glass transition temperatures up to 129 degrees C.
Three bio-based isosorbide bis(acid ester)s were synthesized by condensation of isosorbide with three symmetrical cyclic anhydrides (namely, succinic, diglycolic and phthalic anhydrides). The isosorbide-based diacids were obtained in high yields (79-97%) and converted to their diacid dichloride derivatives, which were then utilized to design series of bio-based polyester and poly(ester amide)s with wide range of thermal properties. The polyesters were synthesized in o-dichlorobenzene, utilizing either cis/trans-1,4-cyclohexanediol or 1,6-hexanediol, the polyesters were obtained in high yields (78-91%), showed good thermal stabilities, excellent solubility in organic solvents and glass transition temperatures in the range of-13.7 to 102.8 degrees C. Additionally, a series of novel aliphatic poly(ester amide)s was synthesized interfacially by polyamidation of the isosorbide bis(diglycolic acid) or isosorbide bis(succinic acid) derivatives with either trans-1,4-diaminocyclohexane or 1,6-hexanediamine. The aliphatic poly(ester amide)s obtained showed good thermal stabilities, good solubility in organic solvents and glass transition temperatures up to 129 degrees C.
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