Frictional Characteristics of Apparel Fabrics

H1 technology needlepunching machinery is one of the recent developments in the needleloom technology. H1 technology needlepunching nonwoven machinery has been effectively utilized to develop a set of nonwoven substrates at different punching rates. The effect of needlepunching speeds on the frictional properties of H1 technology polyester nonwoven webs is reported in this article. The frictional properties of nonwoven webs have been characterized using a simple normalized friction factor. In addition, the surfaces of the nonwoven substrates were scanned using scanning electron microscopy. The results show that for the three different penetration rates studied there seems to be a marginal difference in the frictional properties.

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“…2,7,8,16 As is evident from eq. (1), the coefficient of friction values decrease with increase in the applied loads.…”

Section: Resultsmentioning

confidence: 75%

Study of needle penetration speeds on frictional properties of nonwoven webs: A new approach

Ramkumar

Roedel

2003

J of Applied Polymer Sci

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“…The coefficient of friction is the parameter most frequently used to evaluate degrees of smoothness or roughness, so it is important to match this quantity with the tactile feel of the fabrics studied (Ajayi 1992). Earlier studies on friction (Basu et al 1978;Carr et al 1988;Hussain and Nachane 1998) mostly dealt with the frictional properties of cotton fibres and chemically finished fabrics. Here, we report the effect of nano-coating on cotton fabrics.…”

Section: Resultsmentioning

confidence: 99%

Functional finishing in cotton fabrics using zinc oxide nanoparticles

et al. 2006

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Nanotechnology, according to the National Nanotechnology Initiative (NNI), is defined as utilization of structure with at least one dimension of nanometer size for the construction of materials, devices or systems with novel or significantly improved properties due to their nano-size. The nanostructures are capable of enhancing the physical properties of conventional textiles, in areas such as anti-microbial properties, water repellence, soil-resistance, anti-static, anti-infrared and flame-retardant properties, dyeability, colour fastness and strength of textile materials. In the present work, zinc oxide nanoparticles were prepared by wet chemical method using zinc nitrate and sodium hydroxide as precursors and soluble starch as stabilizing agent. These nanoparticles, which have an average size of 40 nm, were coated on the bleached cotton fabrics (plain weave, 30 s count) using acrylic binder and functional properties of coated fabrics were studied. On an average of 75%, UV blocking was recorded for the cotton fabrics treated with 2% ZnO nanoparticles. Air permeability of the nano-ZnO coated fabrics was significantly higher than the control, hence the increased breathability. In case of nano-ZnO coated fabric, due to its nano-size and uniform distribution, friction was significantly lower than the bulk-ZnO coated fabric as studied by Instron® Automated Materials Testing System. Further studies are under way to evaluate wash fastness, antimicrobial properties, abrasion properties and fabric handle properties.

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“…For the current simulations the baseline tangential-tonormal spring stiffness ratio is assumed to be unity. It is also reported that the friction coefficients of dry textiles are between 0.3 and 1.5, according to the experimental results performed by Carr et al [11].…”

Section: Contact Forces and Parametersmentioning

confidence: 55%

Applications of fiber models based on discrete element method to string vibration

Park

Kang

2009

J Mech Sci Technol

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This study applies DE (discrete element) computational method to the dynamic problems of a vibrating string. The DE method was originally initiated to analyze granular materials and now it has expanded to model fabric dynamics which is of interest in a number of applications including those that manufacture or handle textiles, garments, and composite materials. Owing to the complex interactions between each discrete element, simple circular geometric rigid model has been used in the conventional DE method. However, in order to analyze the slender shape and flexibility of materials such as fabrics or strings, longer and flexible geometric models, named as fiber models, was developed. The fiber model treats a series of connected circular particles, and further can be classified as being either a RF (rigid fiber) or a CFF (completely flexible fiber) model. To check the feasibility of those models, dynamic problems were solved and it is found that the fiber models accurately simulate the dynamic and vibration behaviors of horizontally or vertically placed strings.

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Frictional Characteristics of Apparel Fabrics

Cited by 59 publications

References 6 publications

Study of needle penetration speeds on frictional properties of nonwoven webs: A new approach

Study of needle penetration speeds on frictional properties of nonwoven webs: A new approach

Functional finishing in cotton fabrics using zinc oxide nanoparticles

Applications of fiber models based on discrete element method to string vibration

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