Fiber treatment impact on the thermal behavior of biomass/palm-fibers polylactic-acid hybrid biocomposites

被引：0

作者：

Lekrine, Abdelaziz ^{[1
]}

Belaadi, Ahmed ^{[1
]}

Dembri, Isma ^{[1
]}

Jawaid, Mohammad ^{[2
]}

Ismail, Ahmad Safwan ^{[3
]}

Ghernaout, Djamel ^{[4
,5
]}

机构：

[1] Univ 20 August 1955, Fac Technol, Dept Mech Engn, Skikda, Algeria

[2] United Arab Emirates Univ UAEU, Coll Engn, Chem & Petr Engn Dept, POB 15551, Al Ain, U Arab Emirates

[3] Univ Malaysia Sabah, Fac Engn, Chem Engn Programme, Jalan UMS, Kota Kinabalu 88400, Sabah, Malaysia

[4] Univ Hail, Coll Engn, Chem Engn Dept, POB 2440, Hail 81441, Saudi Arabia

[5] Univ Blida, Fac Engn, Chem Engn Dept, POB 270, Blida 09000, Algeria

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2025年 / 338卷

关键词：

Biochar/natural fibers; Thermomechanical analysis; Dynamic mechanical analysis; NaHCO3; treatment; DYNAMIC-MECHANICAL PROPERTIES; PINEAPPLE LEAF FIBER; COMPOSITES; DEGRADATION; PERFORMANCE; TENSILE;

D O I：

10.1016/j.matchemphys.2025.130651

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The purpose of this investigation was to develop 100 % natural biocomposites from biopolymers such as poly lactic acid (PLA) based on treated fibers and biochar (B) derived from the Washingtonia filifera (WF) plant. The dynamic mechanical characteristics, coefficient of thermal expansion, and thermal stability (TS) of biocomposites were studied using dynamic mechanical and thermomechanical analyses. Increasing the fiber treatment period caused the melting temperature of the biocomposites to decrease. The PLA-BWF72 composite demonstrated better TS compared to the others. Compared to untreated hybrid biocomposites, these composites exhibit enhanced TS and resistance following treatment with sodium bicarbonate. The dynamic mechanical analysis revealed that PLA-BWF72 hybrid biocomposites (2621.987 MPa) had a significantly higher storage modulus (SM) than the biocomposites produced. However, PLA-BWF24 hybrid biocomposites showed the lowest SM (2299.174 MPa), indicating a low level of stiffness. Cole-Cole plots of the hybrid biocomposites developed revealed the presence of imperfect semicircles, indicating their heterogeneity.

引用

页数：13