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Fabric for safety air bag

A technology of airbags and fabrics, which is applied in the direction of fabrics, vehicle safety arrangements, pedestrian/passenger safety arrangements, etc., can solve the problems of damaging the closed structure of polymer welding beads, fabric welding beads are not completely firm, and increase subsequent processes, etc., to achieve Excellent foldability, ensuring market competitiveness, and ensuring the effect of performance requirements

Inactive Publication Date: 2010-03-10
TORAY FIBER RES INST(CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] U.S. Patent 09 / 326368 proposes to use welded seams to improve the slip resistance between the sewn part and the base fabric, but because the fabric beads are not completely firm, the airtight structure produced by the polymer beads is damaged
Patent WO2001 / 023219 applies a new method of welding, reinforced with stitched seams, which can improve the resistance to slippage, but since this method usually involves bringing the film on the underside of the fabric into contact with the fabric treated with a second film And under high-frequency energy, thus forming polymer beads at the attachment point between the two layers of fabrics, increasing the subsequent process, resulting in increased costs

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Fabric for safety air bag

Examples

Experimental program
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Effect test

Embodiment 1

[0045] The initial modulus value is 25.8cN / dtex (the total fineness is 470dtex, the number of single filaments is 72, and the cross section is circular) and the initial modulus value is 15.3cN / dtex (the total fineness is 470dtex, the number of single filaments is 72 nylon 66 filaments with circular cross-sections have an initial modulus difference rate of 40.7%. After being warped by a warping machine, the above-mentioned two kinds of filaments are arranged evenly and spaced through parallel shafting, so that there are two kinds of filaments with different initial moduli in the warp direction, and then weaving, drying (drying temperature is 80°C), scouring, washing, Heat setting process (heat setting temperature is 180 ℃, heat setting time is 40 seconds), makes finished fabric, and the density of this finished fabric is: warp direction 53 threads / inch, weft direction 53 threads / inch. The properties of the fabric are shown in Table 1.

Embodiment 2

[0047] The initial modulus value is 25.8cN / dtex (the total fineness is 350dtex, the number of single filaments is 72, and the cross section is circular) and the initial modulus value is 20.3cN / dtex (the total fineness is 350dtex, the number of single filaments is 72 nylon 66 filaments with circular cross-sections have an initial modulus difference rate of 21.3%. After being warped by a warping machine, the above-mentioned two kinds of filaments are arranged evenly and spaced through parallel shafting, so that there are two kinds of filaments with different initial moduli in the warp direction, and then weaving, drying (drying temperature is 80°C), scouring, washing, Heat setting process (heat setting temperature is 180 ℃, heat setting time is 40 seconds), makes finished fabric, and the density of this finished fabric is: warp direction 58 threads / inch, weft direction 58 threads / inch. The properties of the fabric are shown in Table 1.

Embodiment 3

[0049] The initial modulus value is 40.3cN / dtex (the total fineness is 350dtex, the number of single filaments is 72, and the cross section is circular), and the initial modulus value is 28.5cN / dtex (the total fineness is 350dtex, and the number of single filaments is 72, the section is circular) and the initial modulus value is 12.8cN / dtex (the total fineness is 350dtex, the number of monofilaments is 72, and the section is circular) of nylon 66 filaments, the initial modulus difference is 68.2%. After being warped by a warping machine, the above-mentioned three kinds of filaments are arranged evenly at intervals through parallel shafting, so that there are three kinds of filaments with different initial moduli in the warp direction, and then weaving, drying (drying temperature is 80°C), scouring, washing, Heat setting process (heat setting temperature is 180 ℃, heat setting time is 40 seconds), makes finished fabric, and the density of this finished fabric is: warp direction...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention discloses a fabric for a safety air bag. Two or more filaments with different initial moduli exist in the warp direction and / or the weft direction of the fabric, and the initial modulusdifference ratio of the high initial modulus filaments to the low initial modulus filaments is 10 to 70 percent. The sewn part of the fabric has good slippage resistance, and the fabric has good rigidity and softness and folding property.

Description

Technical field: [0001] The invention relates to a fabric for a safety airbag. The fabric has excellent foldability. When the airbag is unfolded, the basic performance of the airbag can be maintained, and at the same time, the sewing part has low slippage. Background technique: [0002] In recent years, with the rapid development of the automobile industry and the development and construction of expressways, the speed of automobiles has become faster and faster, and traffic accidents have occurred more frequently, so the safety of automobiles has become particularly important. As one of the safety spare parts of automobiles, the installation rate of airbags increases rapidly with the improvement of people's safety awareness. The basic working process of the airbag: after a collision, a gas-filled bag is quickly opened between the occupant and the interior components, allowing the occupant to pounce on the airbag, absorbing the kinetic energy of the passenger through the airb...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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IPC IPC(8): D03D15/00D03D15/04B60R21/16D03D15/283D03D15/50D03D15/567
Inventor 兰春艳庄建国裴开明
Owner TORAY FIBER RES INST(CHINA) CO LTD
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