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Thermal and Mechanical Studies of Biofiller/Poly-3-Hydroxybutyrate Biocomposites

Žurnal Sibirskogo federalʹnogo universiteta. Seriâ Biologiâ (Online), 2019-09, Vol.12 (3), p.302-310 [Peer Reviewed Journal]

2019. This work is published under NOCC (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 1997-1389 ;EISSN: 2313-5530 ;DOI: 10.17516/1997-1389-0304

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Title:
Thermal and Mechanical Studies of Biofiller/Poly-3-Hydroxybutyrate Biocomposites
Author: Kiselev, Evgeniy G. ; Kuzmin, Andrew P. ; Nemtsev, Ivan V.
Subjects: Analytical methods ; Biodegradability ; Biodegradable materials ; Biodegradation ; Biomedical materials ; Calorimetry ; Chemical bonds ; Cold pressing ; Composite materials ; Construction industry ; Crystallization ; Degree of crystallinity ; Differential scanning calorimetry ; Electron microscopy ; Ethanol ; fillers ; Flour ; Furniture ; Granular materials ; Grinding tools ; Infrared spectroscopy ; Kinetics ; Lignocellulose ; Mechanical properties ; Modulus of elasticity ; Organic chemistry ; P(3HB) ; Pellets ; physicochemical properties ; Polyester resins ; Polyesters ; Polyhydroxybutyric acid ; Polymer blends ; Polymers ; Resins ; Studies ; Wood ; wood flour ; X ray analysis ; X-ray spectroscopy
Is Part Of: Žurnal Sibirskogo federalʹnogo universiteta. Seriâ Biologiâ (Online), 2019-09, Vol.12 (3), p.302-310
Description: Biodegradable poly-3-hydroxybutyrate [P(3HB)] and birch wood flour (as filler) were used to prepare powdered blends and then pellets and granules. Pellets were produced by cold pressing of polymer and filler powders; granules were produced from the powders wetted with ethanol. The properties of the initial P(3HB) and filler and the blends thereof were studied using IR spectroscopy, differential scanning calorimetry, X-ray analysis, and electron microscopy. No chemical bonds between the components were revealed; the blends were physical mixtures. The degree of crystallinity of the blends was lower than that of the initial polymer, suggesting different crystallization kinetics of the blends. The introduction of increasing amounts of filler into the polymer progressively decreased the mechanical strength of the pellets, as confirmed by a decrease in Young’s modulus. The resulting composite, based on biodegradable polymers and wood flour, is a promising nontoxic material for the production of wood-based panels for the construction industry and the manufacture of furniture in place of materials produced using toxic polyester resins
Publisher: Krasnoyarsk: Siberian Federal University
Language: Russian;English
Identifier: ISSN: 1997-1389
EISSN: 2313-5530
DOI: 10.17516/1997-1389-0304
Source: ProQuest Central
DOAJ Directory of Open Access Journals

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Thermal and Mechanical Studies of Biofiller/Poly-3-Hydroxybutyrate Biocomposites

2019. This work is published under NOCC (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 1997-1389 ;EISSN: 2313-5530 ;DOI: 10.17516/1997-1389-0304

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