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Bending Behaviour of LLDPE Monofilaments Depending on Cold Drawing and Composition of the LLDPEs

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Abstract:

The behaviour of the pile layer of artificial turf is an important element for the performance of artificial turf. As a top layer, it is constantly under deformation, with the most possible being bending . The bending behaviour of monofilaments of linear low density polyethylene (LLDPE) is strongly influenced by the processing parameters, the type of polymer, and geometrical factors, which in combination with each other seem to have a strong influence on the behaviour of the final product. From the results obtained, the use of octene instead of hexene as a monomer yields better results for resilience due to a higher concentration of intrafibrillar tie molecules for the same degree of DSC crystallinity of the LLDPEs. The increase in the final cross section of monofilaments based on the same LLPDPEs resulted in a decrease in the intrafibrillar tie molecules due to a slower cooling after melt extrusion.

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polyethylene, draw ratio, resilience, monofilaments, tie molecules.

Citation:

Kolgjini B, Schoukens G, Shehi E, Kiekens P. Bending Behaviour of LLDPE Monofilaments Depending on Cold Drawing and Composition of the LLDPEs. FIBRES & TEXTILES in Eastern Europe 2013; 21, 4(100): 23-30.

Published in issue no 4 (100) / 2013, pages 23–30.

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