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Polymers
Volume 14
Issue 10
10.3390/polym14102007
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Article

Effects of Differing Monomer Compositions on Properties of P(3HB-co-4HB) Synthesized by Aneurinibacillus sp. H1 for Various Applications

by
Aneta Pospisilova
,
Juraj Vodicka
,
Monika Trudicova
,
Zuzana Juglova
,
Jiri Smilek
,
Premysl Mencik
,
Jiri Masilko
,
Eva Slaninova
,
Veronika Melcova
,
Michal Kalina
,
Stanislav Obruca
and
Petr Sedlacek
*
Faculty of Chemistry, Brno University of Technology, Purkynova 118, 612 00 Brno, Czech Republic
*
Author to whom correspondence should be addressed.
Polymers 2022, 14(10), 2007; https://doi.org/10.3390/polym14102007
Submission received: 15 April 2022 / Revised: 5 May 2022 / Accepted: 10 May 2022 / Published: 13 May 2022
(This article belongs to the Special Issue Smart Polymeric Films and Coatings for Food Packaging Applications)
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Abstract

Films prepared from poly(3-hydroxybutyrate-co-4-hydroxybutyrate) copolymers produced by Aneurinibacillus sp. H1 using an automatic film applicator were homogeneous and had a defined thickness, which allowed a detailed study of physicochemical properties. Their properties were compared with those of a poly (3-hydroxybutyrate) homopolymer film prepared by the same procedure, which proved to be significantly more crystalline by DSC and XRD. Structural differences between samples had a major impact on their properties. With increasing 4-hydroxybutyrate content, the ductility and release rate of the model hydrophilic active ingredient increased significantly. Other observed properties, such as the release of the hydrophobic active substance, the contact angle with water and ethylene glycol, or the surface morphology and roughness, were also affected by the composition. The identified properties predetermine these copolymers for wide use in areas such as biomedicine or smart biodegradable packaging for food or cosmetics. The big advantage is the possibility of fine-tuning properties simply by changing the fermentation conditions.
Keywords: polyhydroxyalkanoates (PHA); P(3HB-co-4HB); Aneurinibacillus sp. H1; mechanical properties; surface morphology; crystallinity; active ingredients release polyhydroxyalkanoates (PHA); P(3HB-co-4HB); Aneurinibacillus sp. H1; mechanical properties; surface morphology; crystallinity; active ingredients release
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MDPI and ACS Style

Pospisilova, A.; Vodicka, J.; Trudicova, M.; Juglova, Z.; Smilek, J.; Mencik, P.; Masilko, J.; Slaninova, E.; Melcova, V.; Kalina, M.; et al. Effects of Differing Monomer Compositions on Properties of P(3HB-co-4HB) Synthesized by Aneurinibacillus sp. H1 for Various Applications. Polymers 2022, 14, 2007. https://doi.org/10.3390/polym14102007

AMA Style

Pospisilova A, Vodicka J, Trudicova M, Juglova Z, Smilek J, Mencik P, Masilko J, Slaninova E, Melcova V, Kalina M, et al. Effects of Differing Monomer Compositions on Properties of P(3HB-co-4HB) Synthesized by Aneurinibacillus sp. H1 for Various Applications. Polymers. 2022; 14(10):2007. https://doi.org/10.3390/polym14102007

Chicago/Turabian Style

Pospisilova, Aneta, Juraj Vodicka, Monika Trudicova, Zuzana Juglova, Jiri Smilek, Premysl Mencik, Jiri Masilko, Eva Slaninova, Veronika Melcova, Michal Kalina, and et al. 2022. "Effects of Differing Monomer Compositions on Properties of P(3HB-co-4HB) Synthesized by Aneurinibacillus sp. H1 for Various Applications" Polymers 14, no. 10: 2007. https://doi.org/10.3390/polym14102007

APA Style

Pospisilova, A., Vodicka, J., Trudicova, M., Juglova, Z., Smilek, J., Mencik, P., Masilko, J., Slaninova, E., Melcova, V., Kalina, M., Obruca, S., & Sedlacek, P. (2022). Effects of Differing Monomer Compositions on Properties of P(3HB-co-4HB) Synthesized by Aneurinibacillus sp. H1 for Various Applications. Polymers, 14(10), 2007. https://doi.org/10.3390/polym14102007

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