Mechanical properties and water absorption of low‐density polyethylene/sawdust composites

Abstract

ABSTRACT:The mechanical properties and water absorption of low-density polyethylene/sawdust composites were investigated. The relationship between the filler content and the composite properties was also studied. Different degrees of esterification of the sawdust with maleic anhydride were obtained with different reaction times. The experimental results demonstrated that the treatment of sawdust by maleic anhydride enhanced the tensile and flexural strengths. The water absorption for maleic anhydride treated sawdust indicated that it was more hydrophobic than untreated sawdust. The effects of the addition of benzoyl peroxide during the preparation of composite samples on the water absorption and mechanical properties were also evaluated.

Utilization of renewable filler from lichen in low density polyethylene

“…The results showed a decrease in tensile strength and % elongation at break with an increase of the amount of filler. This decrease may be ascribed to weak adhesion at the surface of filler and polymer matrix due to the polar nature of filler and nonpolar nature of polyethylene [25,26], film formation, and flow of low density polyethylene within the material [27]. Despite the decrease in tensile strength, 10 wt% filled LDPE showed 30% more performance when compared with 9 wt% wood flour filled LDPE [10].…”

Effect of Variation Aluminum Oxide Concentration on the Modified Novolac Stalk Composite

“…The peaks at 1634, 1214, and 1100 cm −1 correspond to the vibration of carboxylic acid groups. In the IR spectra Figures 3(a)-3(c be assigned to the C=O stretching, CH 2 bending, the asymmetric stretching of CH 2 the C-O stretching of CH 2 -O-CH 2 -, and the C-O stretching in CH 2 -OH, respectively, [22]. Moreover, no absorption bands was observed for the C=O ester group in Figure 3 ), we noticed that the structure was slightly dastard in case of 2% Aluminum oxide filled treated cotton stalk-novolac difference.…”

Impact of Weathering on the Mechanical and Weight Reduction Properties of High-density Polyethylene (HDPE) Composites Filled with Treated and Untreated Eggshell Powder (ESP) Fillers

“…Apart from utilisation of waste, low hardness of natural fillers reduces abrasion to processing equipment. 7 Despite of having significant benefits, there are some major questions about the long-term durability and environmental performance of composites sample filled with fillers from renewable resources. The external environment can be harmful due to moisture, acid rain, and thermal fatigue.…”