Preprint Article Version 1 This version is not peer-reviewed

Improvement in Mechanical Properties of Cantala Fiber and Short Cantala/Recycled High-Density Polyethylene Composite through Chemical Treatment

Version 1 : Received: 19 October 2017 / Approved: 20 October 2017 / Online: 20 October 2017 (03:19:47 CEST)

How to cite: Raharjo, W.W.; Soenoko, R.; Irawan, Y.S.; Suprapto, A. Improvement in Mechanical Properties of Cantala Fiber and Short Cantala/Recycled High-Density Polyethylene Composite through Chemical Treatment. Preprints 2017, 2017100134 (doi: 10.20944/preprints201710.0134.v1). Raharjo, W.W.; Soenoko, R.; Irawan, Y.S.; Suprapto, A. Improvement in Mechanical Properties of Cantala Fiber and Short Cantala/Recycled High-Density Polyethylene Composite through Chemical Treatment. Preprints 2017, 2017100134 (doi: 10.20944/preprints201710.0134.v1).

Abstract

The improvement of mechanical properties of cantala fiber and its composites. Treatments including alkali, silane, and the combination of both were carried out to modify the fiber surface. The influence of chemical treatments on fiber properties such as the degree of crystallinity and tensile strength was investigated. A variety of short cantala fiber reinforced rHDPE composites were produced by hot press, and the effect of fiber treatment on the flexural strength of composites was observed. SEM observations also carried out to highlight these changes. The result shows that alkali treatment improves tensile strength and tensile modulus of alkali treated fiber (NF12) which was predicted as a result of the enhancement of the cellulose crystallinity. In contrast, the tensile strength and tensile modulus of silane (SF05) and alkali-silane treated fiber (NSF05) decreased compared to untreated fiber (UF) which is caused by the addition of amorphous material. The tensile strength of alkali-silane treated fiber (NSF05) was lower than alkali treated fiber (NF12), but the composites prepared with NSF05 showed the highest increment of flexural strength of 25.9%. This may be due the combination of alkali and silane treatment helped in the better formation of fiber-matrix interface adhesion.

Subject Areas

chemical treatment; cantala fiber; mechanical properties; recycled high-density polyethylene

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