Preparation of Vanillin Derivatives Based on Schiff Base Reaction

Yeng Fong Shih; Nian Yi Wu; Ying Hsiao Chen

doi:10.4028/p-w61o0x

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HomeMaterials Science ForumMaterials Science Forum Vol. 1060Preparation of Vanillin Derivatives Based on...

Preparation of Vanillin Derivatives Based on Schiff Base Reaction

Abstract:

This study introduced the aldehyde monomer derived from vanillin (4,4-[(1,4-phenylenedimethylene) dioxy] -bis (3-methoxybenzaldehyde), BA), followed by reaction with tris (2-aminoethyl) amine (TA) and diamine (DA) to prepare a series of polyimine films (BADT-X). By adjusting the ratio of TA and DA, BADT-X with different degrees of cross-linking can be obtained, thereby the performance of the film could be tuned. The physical results show that with the increase of TA content, the mechanical performance of BADT-X has been improved from 31.20 to 45.95MPa, furthernore, the degradation temperature (T_d5%) increased from 166.66 to 272.80 °C, and the char yield of all BADT-x was more than 45% at 600 °C. Meanwhile, the quick reshape properties of this polyimine film can be accomplished without any external catalyst in 5 mins at elevated temperature.

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Periodical:

Materials Science Forum (Volume 1060)

Pages:

75-80

DOI:

https://doi.org/10.4028/p-w61o0x

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Online since:

May 2022

Authors:

Yeng Fong Shih, Nian Yi Wu*, Ying Hsiao Chen

Keywords:

Polyimine, Schiff Base, Vanillin, Vitrimer

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* - Corresponding Author

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