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Y. Lin, K.-Y. Zhan, Z.-M. Dong, L.-S. Dong and Y.-S. Li, “Study of Hydrogen-Bonded Blend of Polylactide with Biodegradable Hyperbranched Poly(Ester Amide),” Macro molecules, Vol. 40, No. 17, 2007, pp. 6257-6267. doi:10.1021/ma070989a

has been cited by the following article:

• TITLE: Thermochromic Biopolymer Based on Natural Anthocyanidin Dyes

  AUTHORS: Detlef Lötzsch, Ralf Ruhmann, Arno Seeboth

  KEYWORDS: Thermochromism; Biopolymer; Anthocyanidin

  JOURNAL NAME: Open Journal of Polymer Chemistry, Vol.3 No.3, July 29, 2013

  ABSTRACT: Recently a novel thermochromic poly(lactic acid) (PLA)-composite material was presented. Depending on temperature the incorporated anthocyanidin dye was found to be present either in its neutral or anionic anhydrobase form. A reversible formation of PLA-dye complexes triggered by conformational changes of the polymer backbone was proposed to explain this thermochromic effect. In order to study the influence of the dye structure on the PLA-dye complex formation and on the thermochromic properties of the PLA-composite material a variation of the anthocyanidin dye structure was investigated. The results indicate that a hydroxyl group in 3’-position of the anthocyanidin dye resulting in the presence of adjacent hydroxyl groups is mandatory for the PLA-anthocyanidin dye complex formation and thus for the occurrence of thermochromism.