Abstract
Recycled fiber has a great potential as a solution to meet overgrowing synthetic fiber demand and reduce plastic waste in the same time. In the previous research, bottle cap waste is used as the material of the recycled fiber. The result shows that fiber tenacity of recyled fiber from bottle cap waste has low tenacity, different polymer. This phenomena may have been caused by the present of pigment molecule. This research focused on producing recycled fiber from straw waste which has low pigment content. Straw waste was washed and cleaned before the cutting process. Then, the waste was processed in the experiment melt spinning machine with plunger system and single hole orifice in various diameter, 4 mm, 10 mm and 15 mm. The processing temperature was 140° C temperature in three take-up speed, 3.00 m/minutes, 10.30 m/ minutes and 19.16 m/ minutes. The diameter and cross section shape of recycled polyethylene fiber were obtained by using electric microscope with software assistance. The linear density of the recycled fiber was analysed by calculating it with denier and the mechanical strength of the fiber was measured in accordance with the ASTM D 3379-75 standard. High take-up speed leads to higher linear density and take-up speed value is proportionally linear with the tenacity of fiber produced. Moreover, the spinneret diameter is proportionally linear with linear density but it is inversely linear with the tenacity of the fiber produced.
Highlights
Plastic is the one of the most important materials in industrial world due to its low production cost, production process and wide range product properties
Fourier Transform Infra-Red (FTIR) analysis was run on Shimadzu to identify the material polymer
The linear density of the fiber was influenced by the take up speed and spinneret diameter
Summary
Plastic is the one of the most important materials in industrial world due to its low production cost, production process and wide range product properties. Many research of producing recycled fiber using plastic waste has been developed, and one of the biggest challenge in using waste as material is to yield new the products which have minimum quality deference with the virgin material product. Bottle cap waste used as the material of the recycled fiber. The result shows that fiber tenacity of recycled fiber from bottle cap waste has low tenacity, different polymer. This phenomena may have been caused by the present of pigment molecule [2]. This research focuses to produce recycled fiber from waste with straw waste which has low pigment content (see figure 2). This research used various spinneret diameter and take-up speed to obtain the optimum fiber property
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