Cross-linked Polyamides Prepared through Direct Bulk Michael Addition and Polycondensation from 1,6-Hexanediamine and Methyl Acrylate
ARTICLE|Updated:2019-10-12
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Cross-linked Polyamides Prepared through Direct Bulk Michael Addition and Polycondensation from 1,6-Hexanediamine and Methyl Acrylate
Chinese Journal of Polymer ScienceVol. 38, Issue 2, Pages: 143-150(2020)
Affiliations:
Key Laboratory of Carbon Fiber and Functional Polymers (Beijing University of Chemical Technology), Ministry of Education; College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
Citation: Yang, S. Q.; Zhao, J. N.; Zhao, J. B.; Zhang, Z. Y.; Zhang, J. Y. Cross-linked polyamides prepared through direct bulk Michael addition and polycondensation from 1,6-hexanediamine and methyl acrylate. Chinese J. Polym. Sci. 2020, 38, 143–150
Sheng-Qing Yang, Jin-Nan Zhao, Jing-Bo Zhao, et al. Cross-linked Polyamides Prepared through Direct Bulk Michael Addition and Polycondensation from 1,6-Hexanediamine and Methyl Acrylate[J]. Chinese Journal of Polymer Science, 2020, 38(2): 143-150.
Citation: Yang, S. Q.; Zhao, J. N.; Zhao, J. B.; Zhang, Z. Y.; Zhang, J. Y. Cross-linked polyamides prepared through direct bulk Michael addition and polycondensation from 1,6-hexanediamine and methyl acrylate. Chinese J. Polym. Sci. 2020, 38, 143–150DOI: 10.1007/s10118-019-2332-y.
Sheng-Qing Yang, Jin-Nan Zhao, Jing-Bo Zhao, et al. Cross-linked Polyamides Prepared through Direct Bulk Michael Addition and Polycondensation from 1,6-Hexanediamine and Methyl Acrylate[J]. Chinese Journal of Polymer Science, 2020, 38(2): 143-150.DOI: 10.1007/s10118-019-2332-y.
Cross-linked Polyamides Prepared through Direct Bulk Michael Addition and Polycondensation from 1,6-Hexanediamine and Methyl Acrylate
Cross-linked polyamides (cPAs) were prepared through direct bulk Michael addition and subsequent polycondensation. Several mixed hexanediamine multi-esters (HDAMEs) were generated through the Michael addition of 1
6-hexanediamine (HDA) and methyl acrylate (MA) at 50 °C with different HDA/MA molar ratios. Melt polycondensation of HDAMEs then proceeded at 150 or 170 °C in flasks to obtain viscous fluids
and curing was continued in tetrafluoroethylene molds to obtain cPA films. The Michael addition was monitored on the basis of FTIR and ESI-MS spectra. The cPA films were characterized by DSC
TGA
dynamic mechanical analysis
and tensile test. These directly prepared cPAs exhibited
T
g
of 1–39 °C
tensile strength of up to 45 MPa
and strain at break from 18% to 40%. The cPAs with high tensile strength and good toughness were successfully synthesized through the direct bulk Michael addition from HDA and MA followed with polycondensation.
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