What is the difference between LyocellTencel and Newcell fibers? What are their characteristics?
Answer Lyocell, Tencel and Newcell fibers are all regenerated fibers and are a new generation of pollution-free green fibers. In the past few decades, the use of CS2 in the production of viscose fibers has seriously polluted the environment with waste gas and waste water. Therefore, the production of this fiber has been restricted by strict environmental protection policies, prompting countries to devote themselves to research and development of new fibers. to reduce environmental pollution. Cellulose fibers produced using NMMO (N-methylmorpholine oxide) as a solvent are called green and environmentally friendly fibers because they are pollution-free. Lyocell, Tencel and Newcell fibers are all cellulose fibers produced using NMMO as a solvent. In 1944 it was named Lyocell by the International Bureau of Man-Made and Synthetic Fibers. Its short fiber is called Tencel, while its filament is called New-cell. Lyocell has been produced in the United States by the British Courtauldo Company since 1993, and its trademark is Tencel… The main varieties and trademarks of Lyocell fiber currently produced in the world are shown in Table 1-1. 
Lyocell fiber has many characteristics: it is as strong as nylon, as fine as silk, and has the characteristics of polyester. Washability, breathability of cotton fiber. It also has a fibrillation effect, which can produce a floss-like surface effect that cannot be obtained with conventional fibers. Lyocell fiber is known for its high dry and wet strength. In the wet state, Lyocell’s breaking strength was damaged by only 6%, and its elongation showed almost no change. It has good high temperature resistance, and the strong damage of short fibers is 7% at 190°C in 30s. The dry and wet strength of Newcell fiber is very good, reaching the level of synthetic fiber, and there is little shrinkage. The degree of fibrillation of Newcell fiber is significantly less than that of Tencel fiber. The finishing route of Lyocell staple fiber fabrics is pretreatment, primary fibrillation, enzyme treatment, and secondary fibrillation. The finishing route of Newcell fabric is relatively simple, which can eliminate the enzyme treatment and fibrillation process.
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