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Marek, Adam A.; Verney, Vincent; Totaro, Grazia; Sisti, Laura; Celli, Annamaria; Leroux, Fabrice
Journal of solid state chemistry, December 2018, 2018-12-00, 2018-12, Letnik: 268Journal Article
Hybridization of layered double hydroxide (LDH) platelets of Zn2Al cation intra-sheet composition was performed with L-tyrosine (TYR), L-tryptophan (TRP) and 3-(4-hydroxyphenyl) propionic (HPP) acid, and the hybrid LDH materials were characterized by the means of conventional techniques as X-ray diffraction and thermal analysis to address their sandwich structures and their mass formulae, respectively. Subsequently they have been considered as "green" filler and dispersed into poly(butylene succinate) (PBS) through a melt extrusion process. In regard of the rheological properties, it was possible to extend the PBS chain thus leading to a better processability. Another aspect was the ability to stand photo-degradation under UV radiation for applicative purposes. Owing to the organic chromophores acting as potential UV stabilizers, it was found a higher chain extension effect for PBS in the case of LDH/TRP that was also performing in time of irradiation tests. This opens new routes for designing filler of "white and green" relevances to endow bio-source polymer with properties for practical applications and in respect of environment and global sustainability. Display omitted •The organo-modified Zn-Al layered double hydroxides were synthesized.•3-(4-hydroxyphenyl)propionic acid, L-tyrosine and L-tryptophan were intercalated.•PBS composites with Zn-Al LDHs were prepared by melt extrusion.•The effect of Zn-Al LDHs on chain extension and photostability of PBS was observed.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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