2021
DOI: 10.1590/0104-1428.09519
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Abstract: This work aimed to obtain thermoplastic starch composites (TPS) derived from starch and fibers of babassu coconut. The (TPS) was prepared with 40% plasticizer (glycerol). The fibers underwent chemical treatment of alkalinization and bleaching. SEM images and infrared spectra showed that wax, lignin, and hemicellulose were removed from the fiber surface. SEM images of TPS starch showed a smooth and uniform surface, whereas images of the TPSWF composite (washed fiber) showed voids between the fiber and the TPS. … Show more

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Cited by 9 publications
(5 citation statements)
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References 65 publications
(105 reference statements)
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“…The C-H bending vibrations of the polysaccharides were evidenced in the bands at 1439 and 1370 cm − 1 [118]. The remaining absorption bands are inherent to starch, namely: 1159 and 1081 cm − 1 (C-O, C-C and C-O-H stretching vibrations) [19,69]; 994 cm − 1 (C-O-H bending vibrations) [119]; 930, 860 and 765 cm − 1 (C-C-H and C-O-H stretching vibrations) [120].…”
Section: X-ray Diffraction (Xrd)mentioning
confidence: 99%
See 1 more Smart Citation
“…The C-H bending vibrations of the polysaccharides were evidenced in the bands at 1439 and 1370 cm − 1 [118]. The remaining absorption bands are inherent to starch, namely: 1159 and 1081 cm − 1 (C-O, C-C and C-O-H stretching vibrations) [19,69]; 994 cm − 1 (C-O-H bending vibrations) [119]; 930, 860 and 765 cm − 1 (C-C-H and C-O-H stretching vibrations) [120].…”
Section: X-ray Diffraction (Xrd)mentioning
confidence: 99%
“…The industrial process of extracting babassu oil produces different types of by-products, one of which is the mesocarp, which is then dried and ground into a brownish powder called "Babassu Mesocarp Flour" (BMF) [15][16][17]. The BMF is mainly composed of starch [18,19], however, in addition to starch, it also contains small amounts of proteins, lipids and ash [20][21][22]. The BMF may have traces of epicarp and endocarp, which can result in a our with residual ber contents [9].…”
Section: Introductionmentioning
confidence: 99%
“…This behavior is typical of thermoplastic composites reinforced with natural fibers, as reported. 5254 For PCL/JWF and PCL/JWF/PCL-g-MA biocomposites, the initial weight loss range up to 100°C corresponds to moisture loss and, therefore, being a physical thermal event, not having weight loss of the compound. 55,56 It was verified that in the temperature range between 100 and 200°C for the biocomposites, the weight loss was minimal.…”
Section: Resultsmentioning
confidence: 99%
“…This behavior is typical of thermoplastic composites reinforced with natural fibers, as reported. [52][53][54] For PCL/JWF and PCL/JWF/PCL-g-MA biocomposites, the initial weight loss range up to 100°C corresponds to moisture loss and, T c : crystallization temperature. T m = crystalline melting temperature.…”
Section: Thermogravimetrymentioning
confidence: 99%
“…Recently, BBM starch isolated by different methods (steeping in water, alkali, or acid) was used to produce biofilms with beneficial properties for food packaging (Maniglia et al ., 2017) . Pregelatinized and crosslinked babassu starch, both associated with babassu epicarp, have been already applied in the thermoplastic biocomposite (de Moura et al ., 2021) and biodegradable packaging (da Raposo et al ., 2021) production, respectively.…”
Section: Babassu Coconutmentioning
confidence: 99%