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Process Optimisation for the Production of Recycled Carbon Nonwoven

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Process Optimisation for the Production of Recycled Carbon Nonwoven

 

The most influent parameter in the different textile products available on the technical textile market is the orientation of the fibres that constitute the products. In the yarn spinning process, in order to get a strong and consistent yarn, all the fibres need to be perfectly aligned. For the carded non-woven product, the alignment of the fibres is a consequence of the work done on the card and a necessary condition for the production of a stable and even web. The main difference between those two technical textiles families is the fewer number of opportunities for opening and aligning the fibres during the non-woven manufacture. The work done on the fibres during their carding allows the enhancement of their alignment, however, it can also break the fibres and drastically reduce their length. The consequences of fibre breakage can lead to a weak needling and therefore a great loss in strength in the machine direction of the mat. Therefore a balance has to be found between the alignment of the fibres and their characteristics. A non-woven conversion line usually consists of an opening organ, a carding organ and a bounding organ. In general the bounding organ is a needle loom. The bounding of the fibres is therefore entirely mechanic. All the steps of the process have a direct impact on the alignment and the consistency of the fibres. For that reason, this study is constructed in three parts corresponding to the three organs of a typical non-woven line.

 

Author: Mathilde Poulet

 

Conference: SAMPE Seattle 2017

 

SKU/Code: SE17--0876

Pages: 9




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