Dengtų ir laminuotų tekstilės medžiagų standumo tyrimas lenkiant
Research on Bending Stiffness of Laminated and Coated Textile Fabrics

Summary/Abstract: Fabrics Fabrics stiffness is one of important parameters evaluating the garment’s wear and comfort. The paper presents all bending methods used for textile and investigates one bending stiffness method of coated and laminated textiles. Eleven different materials of woven and knitted fabrics were studied. The samples of different structure, fibre and film type were cut to seven various directions to the wale wise (0o, 15o, 30o, 45o, 60o, 75o, 90o). To find out bending stiffness of the tested materials we used artificial leather and film determination method of hardness and elasticity. In most cases bending stiffness of laminated textile fabrics was very different when bent in face and in back sides. Bending stiffness of all laminated fabrics was biggest in wale wise direction except the laminated fabric L2 where different fibre was the basic fabric. Stiffest laminated textile fabrics (L10, L12 and L13) were fatigued for ten cycles by 8° or 16° angle and their bending stiffness was measured after it. Bending stiffness of all three laminated fabrics was bigger than of not fatigued samples. Other laminated textile fabrics were the samples sewn lengthwise and crosswise and their bending stiffness was measured. Bending stiffness of all samples sewn lengthwise was bigger than of the samples sewn crosswise.

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