Influence of gamma radiation on properties of common Brazilian wood species used in artwork

Severiano, Lucio C.; Lahr, Francisco Antônio Rocco; Bardi, Marcelo Augusto Gonçalves; Santos, Alex. C. S.; Machado, Luci Diva Brocardo

doi:10.1016/j.pnucene.2010.04.008

Cited by 27 publications

(17 citation statements)

References 15 publications

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“…The higher activity of hemicellulose in thermal decomposition might be attributed to its chemical structure (John & Thomas, 2008;Poletto et al, 2014). The third step in the temperature range between 286.74°C -359.49°C, could be correlated with the random cleavage of the glycosidic linkage of cellulose (Severiano et al, 2010). The temperature range between 359.49°C -516.67°C, could be attributed to the weight loss due to lignin degradation (Vaidya et al, 2016).…”

Section: Thermogravimetric Analysis (Tga)mentioning

confidence: 99%

EXTRACTION AND CHARACTERIZATION OF CELLULOSE FROM JACKFRUIT (Artocarpus integer) PEEL

Sundarraj¹,

Coimbatore²,

TamilNadu³

et al. 2018

JEBAS

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In the present study, cellulose was extracted from de-pectinated peel of Jackfruit. The peel was treated with alkali followed by a chemical process treatment. In present study, yield of jackfruit cellulose was 27g / 100g. The average particle size and zeta potential value of extracted cellulose is 0.730nm and -15.7mV respectively. Further, morphological characterization was carried out by using scanning microscopy. FTIR spectroscopy analysis revealed the presence of major absorptions indicative of cellulose and hemicellulose. The thermal profiles of the residual waste occurred in a minimum three steps, which representing the degradation profiles of hemicellulose, cellulose, and lignin * Corresponding author

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Section: Thermogravimetric Analysis (Tga)mentioning

confidence: 99%

EXTRACTION AND CHARACTERIZATION OF CELLULOSE FROM JACKFRUIT (Artocarpus integer) PEEL

Sundarraj¹,

Coimbatore²,

TamilNadu³

et al. 2018

JEBAS

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“…Finally, the carbon-carbon linkage between lignin structural units was cleaved in the temperature range from 372 to 570 °C. The cellulose thermal degradation occurs in many steps, starting by its depolymerization [17]. This takes place when the cellulose structure has absorbed enough energy to activate the cleavage of the glycosidic linkage to produce glucose and oligosaccharides.…”

Section: Thermal Behaviormentioning

confidence: 99%

“…Few reports exist on the use of gamma irradiation on lignocellulosic biomass [17][18][19][20]. Gamma irradiation, if is used on lignocellulosics in high dosage, causes a decrease in cell wall constituents or depolymerizes and delignifies the fiber [21].…”

Section: Introductionmentioning

confidence: 99%

Gamma Irradiation Induced Degradation of Orange Peels

et al. 2012

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Abstract:In this study, gamma irradiation induced degradation of orange peels (OP) was investigated. The lignocellulosic biomass degradation was carried out at doses of 0 (control), 600, 1800 and 3500 kGy using a Co-60 gamma radiation source. The samples were tested for total and reducing sugars. The concentrations of total sugars ranged from 0.530 g•g but not significantly, which suggests that lignocellulose and sugars profiles were partially degraded after gamma irradiation.

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“…Although Severiano et al (2010) reported no influence of gamma radiation on some wood physical, thermal and mechanical properties in the radiation dose range between 25 and 100 kGy, the majority of other studies reported significant influence of gamma radiation on wood properties.…”

Section: The Influence Of Gamma Radiation On Woodmentioning

confidence: 92%