Understanding the Role of Perceptual Haptic Conditions on Design Decision

The haptic propositions derived from the textile prototypes often allow for more than one interpretation. It impacts the decision on design alternatives during the phase of design evaluation and validation. The present study aims to conquer this challenge with a haptic design case study of automotive upholstery fabric. It links experimental psychophysics with design decision-making. The study results show that visual cues influence haptic detection accuracy and constancy to choose a final design option. © The Author(s), 2022

Elastane fabrics – A tool for stretch applications in sports

300-307Elastane fibres show rubber like behavior and are highly stretchable. Basically these fibres contain polyurethane bonds. Elastic fabrics are an important route to achieve comfort by freedom of movement for body fitted with sports and outdoor wear. Elastic garments used in athletics and sports may improve the athlete’s performance in cycling, swimming and so on. A great deal of research is reported on elastane structure, yarn formation and fabric production. Testing of elastane and its fabric has given new dimensions in terms of results. New attempts are being made to produce the yarn with blends and subsequent conversion into woven and knits, in order to improve garment elastic bahaviour and productivity. This paper reports the elastane fibre characteristics, elastane yarn production method, new attempts in yarn production, commercial ways of fabric manufacturing techniques, fabric properties, new testing methods to test the elastic products and its application

Modelling and prediction of visual-haptic perception in textiles

253-261The study examines the contact and non-contact assessment of textile modalities under three task conditions, namely visual, haptic, and visual-haptic combination. A comparative analysis shows that the cues perceived by flattened fabrics are insufficient to stimulate the perception of softness during the purely visual condition. At the same time, the spatial deformation caused by the action significantly stimulates the perception of softness in the purely haptic state. While in the visual-haptic dual condition, the spatial deformation causes a folding formation that stimulates the perception of softness by matching the visual and haptic cue information. The study outcomes are theoretically defined as Perceptual Conflict of Interest (PCI), which further focuses on the PCI model of fabric perceptual prediction. Accordingly, this study also discusses different concepts of sensory cue tracking and their impact on cloth modality assessment

Thermo-regulative finish on polyester blend knitted fabric

247-252The study is focused on the thermal comfort properties of single jersey materials. Three types of fabric blends, viz. polyester/modal, polyester/cotton and polyester/viscose, are selected. The selected fabrics are initially pretreated (scoured) to remove the impurities and then padded with a thermo-regulating finish (HeiQ Adaptive AC-06) at 2%, 4% and 6% concentrations. The coated materials are then characterized for geometrical properties and functional characteristics. The polyester/modal fabric coated with 6% finish concentration exhibits excellent thermal conductivity, thermal resistance, and thermal absorptivity characteristics