Effect of oxidized polypropylene as a new compatibilizer on the water absorption and mechanical properties of wood flour-polypropylene composites

2010 ◽  
Vol 119 (1) ◽  
pp. 438-442 ◽  
Author(s):  
Saeed Kazemi Najafi ◽  
Alireza Bahra ◽  
Majid Abdouss
Keyword(s):  
Mechanical Properties ◽  
Water Absorption ◽  
Wood Flour ◽  
Polypropylene Composites ◽  
Oxidized Polypropylene

scholarly journals Influence of Wood Flour and Modifier Contents on the Physical and Mechanical Properties of Wood Flour-Recycle Polypropylene Composites

2006 ◽  
Vol 6 (2) ◽  
pp. 337-343 ◽  
Author(s):  
Fauzi Febrianto ◽  
Dina Setyawati ◽  
Myrtha Karina ◽  
Edi Suhaimi Bakar ◽  
Yusuf Sudo Hadi
Keyword(s):  
Mechanical Properties ◽  
Wood Flour ◽  
Physical And Mechanical Properties ◽  
Polypropylene Composites

scholarly journals The Effect of Water Absorption on Mechanical Properties of Wood Flour/Wheat Husk Polypropylene Hybrid Composites

2012 ◽  
Vol 03 (05) ◽  
pp. 317-325 ◽  
Author(s):  
Pradeep Upadhyaya ◽  
Manoj Garg ◽  
Vijai Kumar ◽  
Ajay K. Nema
Keyword(s):  
Mechanical Properties ◽  
Water Absorption ◽  
Hybrid Composites ◽  
Wood Flour ◽  
Effect Of Water ◽  
Wheat Husk

Study on Mechanical Properties and Water Absorption Behaviour of Wastepaper Fibre/Recycled Polypropylene Composites

2013 ◽  
Vol 21 (6) ◽  
pp. 395-402 ◽  
Author(s):  
Zhang Xiaolin ◽  
Bo Xiangfeng ◽  
Wang Rumin
Keyword(s):  
Mechanical Properties ◽  
Water Absorption ◽  
Polypropylene Composites ◽  
Recycled Polypropylene

scholarly journals Water Absorption and Hygrothermal Aging Behavior of Wood-Polypropylene Composites

Polymers ◽  
2020 ◽  
Vol 12 (4) ◽  
pp. 782 ◽  
Author(s):  
Wei Wang ◽  
Xiaomin Guo ◽  
Defang Zhao ◽  
Liu Liu ◽  
Ruiyun Zhang ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Water Absorption ◽  
Natural Fiber ◽  
Glass Fibers ◽  
Diffusion Constant ◽  
Water Molecules ◽  
Wood Powder ◽  
Polypropylene Composites ◽  
Effect Of Water ◽  
Composite Samples

Environmentally sound composites reinforced with natural fibers or particles interest many researchers and engineers due to their great potential to substitute the traditional composites reinforced with glass fibers. However, the sensitivity of natural fiber-reinforced composites to water has limited their applications. In this paper, wood powder-reinforced polypropylene composites (WPCs) with various wood content were prepared and subjected to water absorption tests to study the water absorption procedure and the effect of water absorbed in the specimens on the mechanical properties. Water soaking tests were carried out by immersion of composite specimens in a container of distilled water maintained at three different temperatures, 23, 60 and 80 °C. The results showed that the moisture absorption content was related to wood powder percentage and they had a positive relationship. The transfer process of water molecules in the sample was found to follow the Fickian model and the diffusion constant increased with elevated water temperature. In addition, tensile and bending tests of both dry and wet composite samples were conducted and the results indicated that water absorbed in composite specimens degraded their mechanical properties. The tensile strength and modulus of the composites reinforced with 15, 30, 45 wt % wood powder decreased by 5.79%, 17.2%, 32.06% and 25.31%, 33.6%, 47.3% respectively, compared with their corresponding dry specimens. The flexural strength and modulus of the composite samples exhibited a similar result. Furthermore, dynamic mechanical analysis (DMA) also confirmed that the detrimental effect of water molecules on the composite specimens.

Water absorption and mold susceptibility of wood flour/polypropylene composites modified with silane-wax emulsions

2017 ◽  
Vol 40 (1) ◽  
pp. 141-148 ◽  
Author(s):  
Yu Chen ◽  
Xi Guo ◽  
Yao Peng ◽  
Jinzhen Cao
Keyword(s):  
Water Absorption ◽  
Wood Flour ◽  
Polypropylene Composites

Water absorption and mechanical properties of PP/HIPS hybrid composites filled with wood flour

2015 ◽  
Vol 38 (5) ◽  
pp. 863-869 ◽  
Author(s):  
Nadir Ayrilmis ◽  
Münir Taşdemir ◽  
Turgay Akbulut
Keyword(s):  
Mechanical Properties ◽  
Water Absorption ◽  
Hybrid Composites ◽  
Wood Flour

Properties of wood-plastic composites (WPCs) reinforced with extracted and delignified wood flour

Holzforschung ◽  
2014 ◽  
Vol 68 (8) ◽  
pp. 933-940 ◽  
Author(s):  
Yao Chen ◽  
Nicole M. Stark ◽  
Mandla A. Tshabalala ◽  
Jianmin Gao ◽  
Yongming Fan
Keyword(s):  
Mechanical Properties ◽  
Water Absorption ◽  
Mechanical Performance ◽  
Wood Flour ◽  
Hot Water ◽  
Sodium Chlorite ◽  
Wood Plastic Composites ◽  
Plastic Composites ◽  
Acetone Water ◽  
Full Factorial Experimental Design

Abstract The water sorption and mechanical properties of wood-plastic composites (WPCs) made of extracted and delignified wood flour (WF) has been investigated. WF was prepared by extraction with the solvent systems toluene/ethanol (TE), acetone/water (AW), and hot water (HW), and its delignification was conducted by means of sodium chlorite/acetic acid (AA) solution. A 24 full-factorial experimental design was employed to determine the effects of treatments and treatment combinations. WPCs were prepared with high-density polyethylene (HDPE) and treated WF was prepared by means of extrusion followed by injection molding, and the water absorption characteristics and mechanical properties of the products were evaluated. WPCs produced with extracted WF had lower water absorption rates and better mechanical properties than those made of untreated WF. WPCs containing delignified WF had higher water absorption rates and improved mechanical performance compared with those made of untreated WF.

Flammability and mechanical properties of wood flour-filled polypropylene composites

2010 ◽  
pp. NA-NA ◽  
Author(s):  
M. B. Abu Bakar ◽  
Z. A. Mohd Ishak ◽  
R. Mat Taib ◽  
H. D. Rozman ◽  
S. Mohamad Jani
Keyword(s):  
Mechanical Properties ◽  
Wood Flour ◽  
Polypropylene Composites
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