Study on the style of warp-knitted composite fabrics for vehicle roof lining based on PhabrOmeter?
Four kinds of warp-knitted fabrics with different structures were designed,which were combined with spongy foam layer of different thickness and spunlace nonwovens to form a'sandwich'structure of the vehicle roof lining.Based on PhabrOmeter®,the influences of fabric structure parameters and roof lining composite structure on fabric feel style were studied.It was found that,the stiffness of 3-bar woven fabrics was generally better than that of 2-bar woven fabrics,but when the woven yarn was missing in part of the transverse row,its stiffness would be greatly reduced,the softness would be increased,and the drape would be worse.Compared with the warp-knitted fabrics,the stiffness,smoothness,drape coefficient and fold recovery rate of the roof lining material with 2.0 mm spongy foam decreased,and the softness showed an increasing trend.Compared with compositing 2.0 mm sponge foam,when the thickness of the sponge foam increased to 2.5 mm,the stiffness,smoothness and drape of the roof lining material increased,while the softness and fold recovery rate decreased.
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