Woven fabric for airbags
A fabric and airbag technology, applied in the direction of fabrics, textiles, textiles and papermaking, can solve the problems of reduced tear strength, reduced storage, lack of softness, etc., and achieve the effect of excellent tear elongation
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Embodiment 1～4
[0060] Using the polyester multifilaments shown in Table 1, fabrics were woven with a plain weave structure using a water-jet loom in a non-twisted state so that the cover factors in Table 1 were obtained to obtain gray fabrics. Emulsion-based silicone resin (manufactured by Shin-Etsu Chemical Co., Ltd.) was coated and processed on the gray fabric by the floating knife method while the doctor blade was in contact with the back surface of the fabric.
[0061] These airbag fabrics are excellent in softness, have small seams and good airtightness when the airbag is inflated, and are particularly suitable for curtain-shaped side airbags.
Embodiment 5
[0063] Using the polyester multifilaments shown in Table 1, fabrics were woven with a plain weave structure using a water-jet loom in a non-twisted state so that the cover factors in Table 1 were obtained to obtain gray fabrics. Next, on the surface to be coated, the plain woven fabric was pressurized (calendered) with a heating roll at 150° C., and the emulsion-based silicone resin ( Shin-Etsu Chemical Co., Ltd.) was coated and processed on this gray fabric so that the solid content resin weight was as shown in Table 1.
[0064] The fabric for an airbag is excellent in flexibility, has a small seam gap and good airtightness when the airbag is inflated, and is particularly suitable for a curtain-shaped side airbag.
Embodiment 6
[0068] The warp and weft are polyester multifilaments with untwisted 566dtex / 140 filaments (single fiber fineness 4.0dtex), tensile strength 7.6g / dtex, and boiling water shrinkage rate 1.9%. , make it pass through a hot water tank (preparation layer, first layer, second layer), and then use a suction tumble dryer to perform drying, setting and finishing, thereby obtaining a non-coated airbag fabric. Table 1 shows the physical property evaluation results of the uncoated airbag fabric.
[0069] The fabric for an airbag is excellent in flexibility, has a small seam gap and good airtightness when the airbag is inflated, and is particularly suitable for a curtain-shaped side airbag.
[0070] [Table 1]
[0071]
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