scholarly journals Thermal Insulation of Plastic Waste Brick Composite with Rice Husk and Sawdust

2020 ◽  
Vol 8 (6) ◽  
pp. 1283-1289
Author(s):  
Yayi Arsandrie ◽  
Dhani Mutiari ◽  
Nur Rahmawati Syamsiyah ◽  
Suharyani Suharyani ◽  
Saidah Aliyatul Himmah
2016 ◽  
Vol 42 (7) ◽  
pp. 8431-8437 ◽  
Author(s):  
Simon Sembiring ◽  
Wasinton Simanjuntak ◽  
Rudy Situmeang ◽  
Agus Riyanto ◽  
Kerista Sebayang

2021 ◽  
Vol 56 (4) ◽  
pp. 82-91
Author(s):  
Dalhar Susanto ◽  
Mochamad Chalid ◽  
Widyarko ◽  
Intan Chairunnisa ◽  
Cut Sannas Saskia

The possibility of using plastic waste to manufacture hybrid bio-composite materials with the dry husk of Asian rice (Oryza sativa L.) is investigated. The most polluted and unsustainable plastic waste is High-Density Polyethylene (HDPE) due to its single-use, which decreases in quality if it is reused is selected. The mixtures chosen are local natural fiber and easy to find, potentially a preliminary study of a composites building material. Furthermore, to improve the tensile properties of this hybrid bio-composite material, an additional organic filler is used, such as rice husk (Oryza sativa L.) in a combination of 10%, 12%, and 15%. Samples for this study were processed using the hot press methods based on ASTM D882. Tested for tensile strength, modulus young, yield stress, and elongation is carried out to see an increase in the performance of the biocomposite material. The test results show that the best tensile properties are samples with 12% rice husk, resulting in excellent sample compatibility proofed by Scan Electron Microscopy to study bio-morphological composites. This project has shown that the composites based on natural fiber will be potential building materials due to their improved tensile properties.


Author(s):  
Sarika Verma ◽  
Harsh Bajpai ◽  
S. Suresh ◽  
Medha Mili ◽  
Ritesh Kumar Gupta ◽  
...  

2016 ◽  
Vol 45 (5) ◽  
pp. 313-319 ◽  
Author(s):  
Bee Chin Ang ◽  
Norasikin Ahmad ◽  
Zhi Chao Ong ◽  
Shun Chi Cheok ◽  
Hui Fen Chan

Purpose The main aim of this study was to examine the effects of chicken eggshell (CES) and rice husk ash (RHA) as fillers on the mechanical and the thermal insulation properties of polyurethane coatings. Design/methodology/approach CES and RHA were ground via ball milling set at different parameters, and the smallest particles size obtained were selected and used as fillers. Fillers of different weight proportions were mixed with other components such as binder, solvent and pigment to form various coating formulations and test samples were made via dip coating. A series of characterisations were conducted to analyse the thermal and mechanical properties of the coating. Findings The smallest particle size of CES and RHA was obtained after both of them had undergone grinding process at 400 rpm within 180 min. Morphological studies revealed that CES and RHA have irregular shape and high porosity. In crystallographic analysis, CES mainly composed of pure calcite crystal structure and RHA contained amorphous silica. Both of fillers were found thermally stable up to 520 and 710°C for RHA and CES, respectively. In RHA individual system, as the RHA proportion increases, the thermal conductivity of the coating declined. In contrast, in the CES coating system, the thermal conductivity demonstrated an opposite trend. Thermal gravimetric analysis results displayed that by adding hybrid fillers, the residue weight and the thermal stability of the coatings were increased. In addition, the adhesion strength of the coating was increased as the filler weight content increased. Research limitations/implications Fillers with nano-range size were expected to be produced in this research for better performance of the coating. However, the obtained fillers were limited to micron size through dry grinding method. Another drawback in this research was the coating technique which is dip coating. The coated substrates do not have uniform coating thickness and this subsequently influenced the performance. Originality/value A novel attempt has been made to study the formulation coating system by mixing CES and RHA as fillers which is also known as a hybrid system.


Gels ◽  
2018 ◽  
Vol 4 (2) ◽  
pp. 43 ◽  
Author(s):  
Hong Koh ◽  
Duyen Le ◽  
Gek Ng ◽  
Xiwen Zhang ◽  
Nhan Phan-Thien ◽  
...  

Sign in / Sign up

Export Citation Format

Share Document