Studies on Effect of Water Repellent Treatment on Flame Retardant Properties of Fabric

Shekar, R. Indu; Kasturiya, Nishkam; Raj, Hans; Mathur, G. N.

doi:10.1106/4fr3-qnb0-8eey-y223

Cited by 21 publications

(18 citation statements)

References 13 publications

(15 reference statements)

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“…The above findings are in corroboration with the explanation given by Wang [27]. In one of our earlier studies on low-stress mechanical properties [28], a linear relationship was also observed between the rate of friction change and the contact area of warp and weft yarns (plain weave). This suggests that fabric deformation is mainly influenced by the frictional resistances that exist between warp and weft yarns, the yarn assistance contributed by warp to weft, weft to warp, the effectiveness with which the crimp interchange occurs, fabric tightness, density of yarns, weave factor, and the number of intersections per unit area.…”

Section: Effects Of Fabric Tightness Cloth Cover and Pmw On Processing Of Compositessupporting

confidence: 91%

Hybrid Fabrics for Structural Composites

Shekar

Kotresh

Prasad

et al. 2011

Journal of Industrial Textiles

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This article gives an insight into the design considerations that have been considered to design a technical hybrid fabric structure for Radome application. An attempt has been made to study empirical relationship between various structural parameters that have a major influence on the final composite properties. The hybrid fabric structures woven out of E-glass (warp) and PEEK Downloaded from (weft) and E-glass (warp) and polyester (weft) have been designed based on mathematical approach and expressed in terms of geometrical parameters in order to have a complete geometric specification of the fabric. An effort has also been made to understand in a comprehensive manner the interrelationships between geometrical properties of yarns and fabrics and their influence on processing of composites and their performance. The study shows that impregnation of resin within the fiber network is primarily responsible for intimate fiber-fiber contact that contributes for the final properties in the composite and provides a good interface area in the composite. The effect of short processing cycle is also attempted keeping in view the techno-economic aspects and it is found that long process cycle with stand in time at major transition temperatures gives useful properties compared to short process cycle. Glass-polyester-based composites are also prepared and studied to have relative performance of glass-PEEK composites.

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Section: Effects Of Fabric Tightness Cloth Cover and Pmw On Processing Of Compositessupporting

confidence: 91%

Hybrid Fabrics for Structural Composites

Shekar

Kotresh

Prasad

et al. 2011

Journal of Industrial Textiles

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“…Although significant contributions have been made by various researchers2–11 toward evaluations of fire retardant polymer systems, woven fabrics, foam‐fabric combinations, work on flammability evaluations of comingled or cowoven hybrid fabrics and their fiber‐reinforced composites used for aerospace applications are still scanty. Schartel et al2 has broadly categorized the heat flux levels experienced by aviation industry (35 kW/m 2 ), railways (50 kW/m 2 ), and navy (100 kW/m 2 ).…”

Section: Introductionmentioning

confidence: 99%

Flammability behavior of fiber–fiber hybrid fabrics and composites

Shekar

Kotresh

Rao

et al. 2011

J of Applied Polymer Sci

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The effect of heat flux levels on burning behavior and heat transmission properties of hybrid fabrics and composites has been investigated using cone calorimeter and heat transmission techniques. The hybrid fabric structures woven out of E-glass (warp) and polyether ether ketone (PEEK) (weft) and E-glass (warp) and polyester (weft) have been studied at high heat flux levels keeping in view the flame retardant requirements of structural composites. The performance of the glass-PEEK fabric even at high heat flux levels of 75 kW/m 2 was comparable with the performance of glass-polyester fabric evaluated at 50 kW/m 2 . The results further demonstrate that glass-PEEK hybrid fabrics exhibit low peak heat release rate, low heat release rate, low heat of combustion, suggesting an excellent combination of materials and fall under the low-risk category and are comparable with the performance of carbon fiber-epoxy-based systems.

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“…Fluorine-containing copolymers could endow the material surface with very excellent oleophobic and hydrophobic properties. 7 They have been used as water and oil repellents of leather, 8 textile, [9][10][11][12][13][14][15][16][17][18] and paper, [19][20][21] and also as treating and protecting agents of old building and old cultural relics. 22,23 Textiles are probably the largest category in which they are used, due to their optimum performance in terms of both hydro-and oleophobicity without impairing the textile's permeability to air and vapor or modifying the handle of the fabrics.…”

Section: Introductionmentioning

confidence: 99%

Studies of fluorinated methylacrylate copolymer on the surface of cotton fabrics

Luo

Huang³

et al. 2011

Textile Research Journal

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A fluorine-containing methylacrylate copolymer latex has been synthesized by emulsion polymerization and was used as a water- and oil-repellent agent to treat some pure cotton woven fabrics at different dry and curing temperature. The treated cotton fabric surfaces were investigated by attenuated total reflectance infrared analysis and angle-dependent X-ray photoelectron spectroscopy directly. The analysis results could agree with the fluorine-containing copolymer real situation on the fabrics surface much more, and could indicate, factually, surface properties of treated or modified material rather than copolymer film. It was found that fluorine elements are enriched at the air-polymer interface and fluorine content of the treated cotton fabrics surface decreases with increasing analysis depth, which depends on heating and cooling experience, such as annealing and quenching. Furthermore, the results showed that almost the same effect can be attained using this copolymer curing from 100°C to 175°C; the relatively low curing temperature is very valuable and advantageous for some fabrics which would yellow easily at higher temperatures. The water- and oil-repellency grade of treated cotton fabrics by the fluorine-containing methylacrylate copolymer latex increases with an increase on fluorine content on the surface.

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Studies on Effect of Water Repellent Treatment on Flame Retardant Properties of Fabric

Cited by 21 publications

References 13 publications

Hybrid Fabrics for Structural Composites

Hybrid Fabrics for Structural Composites

Flammability behavior of fiber–fiber hybrid fabrics and composites

Studies of fluorinated methylacrylate copolymer on the surface of cotton fabrics

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