Physico – mechanical assessment of plaster of Paris bandage produced from locally sourced materials

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dc.contributor.authorAdekola, F.A
dc.contributor.authorOlosho, A.I
dc.contributor.authorAdeleke, A.A
dc.contributor.authorEletta, O.A
dc.contributor.authorAgaja, S.B
dc.date.accessioned2019-11-15T10:25:08Z
dc.date.available2019-11-15T10:25:08Z
dc.date.issued2019
dc.description.abstractDespite the abundance of gypsum and other material needed for the production of plaster of Paris (POP) in the country, Nigeria relies 1 heavily on the importation of orthopaedic POP bandage. Therefore, the present study aimed at producing POP bandage (LPOP) from locally sourced pure gypsum and cassava starch. Physico-chemical parameters such as amylose content, amylopectin content, water absorption capacity (WAC), swelling capacity (SC) and browning-charring temperature (BCT) were obtained for the starch binder. A slurry of pure gypsum powder and 2% gelatinized starch binder was impregnated on cotton gauze and cured in an oven at 180◦C for an hour to produce the LPOP. A comparative mechanical test was carried out on the LPOP and a POP bandage (CPOP) acquired from the market using a universal testing machine. The results showed that starch contains 9.06 mg/100 g amylose and 24.1 mg/100 g amylopectin which implied that it has a good binding property. The SC,WAC and BCT were evaluated to be 69.79%, 81.94% and 190◦C, respectively. The yielding tensile force for LPOP and CPOP are 148 and 460 N respectively. The horizontal compressive strength of the LPOP and CPOP are 1712 and 1595 N while the vertical compressive strengths are 1070 and 623 N respectively. These results show that the LPOP produced from locally sourced materials compete favourably in terms of mechanical properties with POP bandage in the market. Thus, based on its strength, it is recommended for orthopaedic casting.en_US
dc.identifier.citationAdekola, F.A., Olosho, A.I., Adeleke, A.A., Eletta, O. A. A. & Agaja, S.B. (2019): Physico – mechanical assessment of plaster of Paris bandage produced from locally sourced materials. Bulletin of Materials Science. 42:59,en_US
dc.identifier.urihttps://doi.org/10.1007/s12034-019-1744-1
dc.identifier.urihttp://hdl.handle.net/123456789/3448
dc.language.isoenen_US
dc.publisherMaterials Research Society of India and Indian National Science Academy (Springer).en_US
dc.relation.ispartofseriesVol.42;No.59
dc.subjectGypsumen_US
dc.subjectstarchen_US
dc.subjecttensile strengthen_US
dc.subjectgelatinizationen_US
dc.subjectcompressive strengthen_US
dc.titlePhysico – mechanical assessment of plaster of Paris bandage produced from locally sourced materialsen_US
dc.typeArticleen_US

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