Effects of sodium hydroxide treatment on date seeds reinforced LLDPE composites: FTIR and gel content analyses

The biocomposites from linear low-density polyethylene (LLDPE) and date seeds (DS) were successfully synthesized using extrusion and injuction molding process respectively. The effects of different Sodium Hydroxide (NaOH) concentration (3, 6, and 9 wt.%) on the structural properties of LLDPE/DS comp...

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Bibliographic Details
Main Authors: Elnaid, Abduati, Noriman, N. Z., Dahham, Omar S., Azizan, M. A., Hazry, D., Dahham, Saad S., Umar, M. U.
Format: Conference Proceeding
Language:English
Subjects:
Absorption spectra
Biomedical materials
Caustic soda
Crosslinking
Extrusion molding
Low density polyethylenes
Polymer matrix composites
Sodium hydroxide
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Summary:The biocomposites from linear low-density polyethylene (LLDPE) and date seeds (DS) were successfully synthesized using extrusion and injuction molding process respectively. The effects of different Sodium Hydroxide (NaOH) concentration (3, 6, and 9 wt.%) on the structural properties of LLDPE/DS composites were invistigated using FTIR and Gel Content test. Results showed that a decrease on the absorption band at 3346 – 3347 cm−1 of treated samples as compared with untreated sample due to the removal of the hemicellulose component from the treated samples. Furthermore, the peak at 1050 cm−1 has slightly reduced as the NaOH added. The gel content of the treated samples have slightly increased as compared with LLDPE control, which means the number of crosslinks between LLDPE and DS increased in presence of NaOH. Furthermore, The treated sample with 6 wt.% NaOH showed relatively higher gel content compared to untreated sample and other treated samples.
ISSN:0094-243X
1551-7616
DOI:10.1063/5.0000419