Abstract
The carding of the Lyocell cellulose fiber was done with a cylindrical cross lap machine supplied by Cormatex Prato, Italy. Several mats were made by carding and needle punching in order to have a compact and well entangled mat suitable for reinforcement. The speed of the cross lap machine, the frequency of needle punching, the number of times the mat goes through needle punching, the feeding rate of the carded fiber and the depth of needle penetration determined the level of entanglement of the Lyocell fiber which ultimately increased the mechanical properties of the fiber. The good mechanical properties of the carded Lyocell fiber made it a renewable and environmentally friendly alternative as reinforcement in composite manufacturing. Compared with other jute fiber reinforced composites, the mechanical properties of the resulting Lyocell composites were found to be better. Regenerated cellulose fiber (Lyocell) composites were environmentally friendly and the mechanical properties were comparable to those of natural fibers.
Highlights
Lyocell is a regenerated cellulose fiber derived from bleached wood pulp
The regenerated cellulose fibers are of interest in structural composites, as they represent chemically pure cellulose fibers with an even quality and performance that cannot be achieved with mechanically treated natural fibers such as flax and hemp [1]
Many authors have worked on different types of natural fiber as alternatives to synthetic fiber but not much has been reported on another alternative renewable material such as regenerated cellulose fiber (Lyocell)
Summary
Lyocell is a regenerated cellulose fiber derived from bleached wood pulp. Lyocell is obtained by a solvent spinning technique, using N-methylmorpholine N-oxide as the solvent. (2015) Processing of Lyocell Fiber Mat: An Alternative Renewable Reinforcement in Composite Manufacturing. Textile-reinforced composites based on natural fibers have been studied by many research groups in recent years due to their good mechanical performance, excellent drape ability, easy handling, excellent integrity, conformability for advanced structural applications, and reduced manufacturing cost [5]. A hybrid bio-based composite is a combination of the individual characteristics of at least two different types of natural fiber reinforcements in a single renewable matrix [1]. Many authors have worked on different types of natural fiber as alternatives to synthetic fiber but not much has been reported on another alternative renewable material such as regenerated cellulose fiber (Lyocell). This study shows that Lyocell fiber can compete with natural fibers as reinforcement in composite manufacturing. The speed of the process of manufacturing will depend on various parameters which should be adhered to
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