Effect of clay addition on service properties of a developed OPF–CNSL–formaldehyde roofing material

► CNSL–formaldehyde reinforced oil palm fiber (OPF) plus clay composites. ► Flexural and tensile strength increased as the clay content increased. ► Tensile and flexural strength attained values of 5.33MPa and 1.4MPa respectively. ► The developed composites can be suitable for the production low-cos...

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Bibliographic Details
Published in:Construction & building materials 2012-11, Vol.36, p.358-364
Main Authors: Tiamiyu, A.O., Ibitoye, S.A.
Format: Article
Language:English
Subjects:
Chemical properties
Composite materials
Flexural strength
Formaldehyde
Mechanical properties
Natural fibers
Roof
Tensile strength
Water absorption
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Summary:► CNSL–formaldehyde reinforced oil palm fiber (OPF) plus clay composites. ► Flexural and tensile strength increased as the clay content increased. ► Tensile and flexural strength attained values of 5.33MPa and 1.4MPa respectively. ► The developed composites can be suitable for the production low-cost roofing material. In this study, the properties of locally developed composites for roofing purposes were investigated. With the addition of varying compositions of clay, cashew nut shell liquid (CNSL)–formaldehyde was reinforced with oil palm fiber (OPF) to produce six experimental mixes. The composites were fabricated from each mix with 0.25wt.% OPF by hand lay-up approach followed by compression molding. The overall service properties were optimum when the clay content was in the ranges of 30–35wt.%. It was established that within this range of clay content, the composites can be suitable for the production of roofing material.
ISSN:0950-0618
1879-0526
DOI:10.1016/j.conbuildmat.2012.04.130