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Tensile, thermal properties, and biodegradability test of paddy straw powder-filled Polyhydroxybutyrate-3-Valerate (PHBV) biocomposites: acrylation pretreatment

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cris.virtual.department Universiti Malaysia Perlis
cris.virtual.department Universiti Malaysia Perlis
cris.virtualsource.department f49ac44e-5f63-47ab-ba9e-ec1d5af4533b
cris.virtualsource.department cf309873-28fc-4978-a544-ef78d7c024e5
dc.contributor.author Noorulnajwa Diyana Yaacob
dc.contributor.author Hanafi Ismail
dc.contributor.author Sam Sung Ting
dc.date.accessioned 2025-09-03T01:52:28Z
dc.date.available 2025-09-03T01:52:28Z
dc.date.issued 2023
dc.description.abstract The mechanical, thermal, and biodegradability properties of paddy straw powder (PSP)-filled polyhydroxybutyrate-3-valerate (PHBV) biocomposites were investigated. The impacts of chemical alteration of PSP via acrylic acid treatment were examined as well. The outcomes of the study portrayed a decrease in the elongation at break and tensile strength when the filler loading increased; however, the modulus elasticity of composites could be seen to increase. Chemical alteration of PSP via acrylic acid enhanced modulus elasticity of the biocomposites and tensile strength; nevertheless, the elongation at break was decreased. Thermogravimetric analysis demonstrated the enhancement of thermal stability of the biocomposites via PSP compared to neat PHBV. The thermal stability of the biocomposites was positively affected by chemical alteration of PSP. Meanwhile, DSC analysis proved that the melting temperature (T m) of the biocomposites was not altered when the filler was added. Treated biocomposites demonstrated higher crystallinity (30.18%) compared to the untreated composites (26.24%). Biodegradability test showed the strains from both Aspergillus species have the potential to degrade PHBV/PSP biocomposites. The weight loss of biocomposites after undergoing fermentation with Aspergillus fumigatus strain SGE57 and Aspergillus niveus isolate A17 was 2.42% and 3.65%, respectively.
dc.identifier.doi 10.1007/978-3-031-37046-5_15
dc.identifier.isbn 9783031370458
dc.identifier.isbn 9783031370465
dc.identifier.uri https://hdl.handle.net/20.500.14170/14495
dc.language.iso en_US
dc.publisher Springer International Publishing
dc.relation.ispartof Recycled Polymer Blends and Composites
dc.subject Acrylic acid
dc.subject Biocomposites
dc.subject Biodegradability
dc.subject Paddy straw powder
dc.subject PHBV
dc.title Tensile, thermal properties, and biodegradability test of paddy straw powder-filled Polyhydroxybutyrate-3-Valerate (PHBV) biocomposites: acrylation pretreatment
dc.type book-chapter
dspace.entity.type Publication
oaire.citation.endPage 322
oaire.citation.startPage 307
oairecerif.author.affiliation Universiti Malaysia Perlis
oairecerif.author.affiliation Universiti Sains Malaysia
oairecerif.author.affiliation Universiti Malaysia Perlis
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