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Effect of Surface Treatment on the Technological Properties of Coconut Fiber–reinforced Plant Polyurethane Composites by Douglas Lamounier Faria; Lourival Marin Mendes; José Benedito Guimarães Junior is a Environmental Science article available to read on EtoBox.
What is Effect of Surface Treatment on the Technological Properties of Coconut Fiber–reinforced Plant Polyurethane Composites about?
Polymeric composites reinforced with plant fibers have numerous advantages, such as low cost, high raw material availability and good physical, mechanical and thermal properties. Thus, in recent years, they have been studied as thermal insulation substitutes for synthetic polymers in buildings. The aim of this study was to evaluate the technological properties of castor oil-based polyurethane composites reinforced with coconut fibers treated with hot water, alkaline solutions of NaOH and Ca(OH) 2 and corona discharge and without surface treatment as materials for the thermal insulation of buildings. The composites were produced by the hand lay-up method followed by compression; 10% by weight coconut fibers were used to replace the synthetic polymer. Specimens were produced, and physical, mechanical, thermal and microstructural tests were performed. The results showed that the polymer had a thermal conductivity of 0.016 W/(mK), while the composites produced with fibers treated with NaOH had a thermal conductivity of 0.028 W/(mK); therefore, these polymers are considered insulating materials (k = 0.01 to 1.0 W/(mK)). Thus, the composites produced with coconut fibers can be considered
Who reads Effect of Surface Treatment on the Technological Properties of Coconut Fiber–reinforced Plant Polyurethane Composites?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Douglas Lamounier Faria; Lourival Marin Mendes; José Benedito Guimarães Junior
- Publisher
- Springer Science and Business Media LLC
- Published
- 2023
- Language
- EN
- Field
- Environmental Science (Physical Sciences)