Cellulose Fibers, Natural
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Definition:
Natural fibers of cellulose have been used as a reinforcement material, e.g., in polyester composites. One disadvantage is the lack of strength of interfacial bonding. Another approach is to employ networks of cellulose fiber containing a polyethylene matrix. Wood fiber itself is a composite of cellulose, hemicellulose and lignin, in which the unidirectional cellulose microfibrils constitute the reinforcing elements in the matrix blend of hemicellulose and lignin. The structure is built as a multi-ply construction with layers of cellulose microfibrils at different angles to the fiber axis. Cellulosic fiber materials containing 10-20% of polyethylene can be thermally bonded by melting the polyethylene at 150°C.
Definition Copyright ©1989 CRC Press LLC. All rights
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