Utilization of Corn Skin Fiber (Zea mays) as a Gypsum Mixture for Making Ceiling with Epoxy Resin Binder

Authors(3) :-Irwanto, Syahrul Humaidi, Kurnia Sembiring

Gypsum materials have been prepared for ceiling applications from a mixture of raw materials: gypsum powders, corn husk fibers and epoxy resins by heat compression method with variations of gypsum powder composition: corn fiber: epoxy resin 25%: 0%: 40%, 23%: 2 %: 40%, 21%: 4%: 40%, 19%: 6%: 40%, 17%: 8%: 40%, and 15%: 10%: 40% wt. Sampling is done in three stages. The first stage of gypsum flour is sifted 100 mesh while the corn husk fiber is treated by immersing 2% NaOH then blended and sieved with a particle size of 100 mesh. The second stage of the filler (gypsum powder and corn husk fiber) is mixed with dry mixing and then mixed with epoxy resin as a matrix and thinner as a catalyst. The third stage of the homogeneous mixture is then inserted into the mold and compacted by heat to be more dense with 1 atm pressure held for 20 minutes at 70 °C. Each ready-mixed gypsum ceiling sample includes: physical properties (density, water absorption, and functional groups), mechanical properties (fracture strength, tensile strength, modulus of elasticity, and impact strength) and thermal properties (melting point) . The results of characterization showed that optimum composition in the composition of gypsum powder: corn husk fiber: epoxy resin 15%: 10%: 40%wt have density value 1,589 x 103 kg/m3, water absorption 2,84%, composed of OH and CH from cellulose and C = C groups of lignin. Mechanical properties with fracture strength 335,47 MPa, tensile strength 1845,43 MPa, modulus of elasticity 238,53 MPa and impact strength 278,9719 kJ/m2. Thermal properties with a melting point of 452.07 oC whose characterization results have met the conventional ceiling board standards. The results of gypsum-based composite gypsum powder material and reinforced epoxy resin fiber skin fiber can be applied as a ceiling roof.

Authors and Affiliations

Irwanto
Department of Physics, University of Sumatera Utara, Medan, Sumatera Utara, Indonesia
Syahrul Humaidi
Department of Physics, University of Sumatera Utara, Medan, Sumatera Utara, Indonesia
Kurnia Sembiring
Department of Physics, University of Sumatera Utara, Medan, Sumatera Utara, Indonesia

Epoxy Resin, Corn Skin Fibers, Gypsum Powder, Material Ceiling

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Publication Details

Published in : Volume 4 | Issue 9 | July-August 2018
Date of Publication : 2018-08-30
License:  This work is licensed under a Creative Commons Attribution 4.0 International License.
Page(s) : 361-368
Manuscript Number : IJSRSET184971
Publisher : Technoscience Academy

Print ISSN : 2395-1990, Online ISSN : 2394-4099

Cite This Article :

Irwanto, Syahrul Humaidi, Kurnia Sembiring, " Utilization of Corn Skin Fiber (Zea mays) as a Gypsum Mixture for Making Ceiling with Epoxy Resin Binder, International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 4, Issue 9, pp.361-368, July-August-2018.
Journal URL : http://ijsrset.com/IJSRSET184971

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