公开(公告)号：EP2848717B1

公开(公告)日：2016-12-21

申请号：EP13787533.2

申请日：2013-05-08

申请人： Toyobo Co., Ltd.

发明人： NISHIMURA, Hirokazu ,  OWARI, Toshio ,  SOGABE, Shingo ,  YAMAMOTO, Miho ,  KOJYO, Yusuke ,  MATSUI, Yoshihiro ,  FUNAKI, Kenichi

IPC分类号： D03D1/02 ,  B60R21/235 ,  D01F6/90 ,  D03D15/00 ,  D06M13/03 ,  D03D13/00 ,  D01F1/10 ,  D01F6/60

CPC分类号： B60R21/235 ,  B60R2021/23509 ,  D01F1/10 ,  D01F6/60 ,  D03D1/02 ,  D03D13/008 ,  D10B2331/02 ,  D10B2505/124 ,  Y10T442/30 ,  Y10T442/3065

摘要： The present invention provides a non-coated woven fabric for air bag which can be used without problem even for pyro-inflators as well. A non-coated woven fabric for air bag according to the present invention comprises a synthetic fiber containing 90% by weight or more of Nylon 66, characterized in that crimping rate of warp of the fabric is 10.0 to 13.0% while crimping rate of woof of the fabric is 6.0% or less, relative viscosity of Nylon 66 constituting the synthetic fiber in sulfuric acid is 3.15 to 3.7, the synthetic fiber contains 40 ppm to 200 ppm of phosphorus component and, when dynamic air permeability of the fabric is measured at a maximum pressure of 80 ± 5 kPa based on ASTM D 6476 under the environment of 20°C x 65% RH, biaxial elongation strain hysteresis of the fabric during a transition from increased pressure to reduced pressure at 50 kPa is 0.69% to 1.0%.

公开(公告)号：EP3279378A1

公开(公告)日：2018-02-07

申请号：EP16773258.5

申请日：2016-04-01

申请人： Toyobo Co., Ltd.

发明人： NISHIMURA, Hirokazu ,  KOJYO, Yusuke ,  KAMIMURA, Ryuji

IPC分类号： D03D1/02 ,  B60R21/235 ,  D03D15/00

CPC分类号： B60R21/235 ,  B60R2021/23509 ,  B60R2021/23542 ,  D03D1/02 ,  D03D15/00 ,  D10B2331/02 ,  D10B2505/124

摘要： The purpose of the present invention is to provide an airbag-use non-coated woven fabric that achieves light in weight, compact in size, and low air permeability, and an airbag-use woven fabric having low air permeability, being flexible, and exhibiting good package ability without impairing mechanical strength of the woven fabric, and an airbag that uses the airbag-use woven fabric. The airbag-use woven fabric including a base fabric, wherein a yarn widening ratio of unwoven weaving yarn of fibers that constitute the base fabric is not less than 2.4 and not more than 3.5, or including single yarn fibers having a substantially triangular cross sectional shape and a modification degree of 1.3 to 2.2; having a tear strength of not less than 120 N; and having an air permeability under a pressure difference of 20 kPa of not more than 0.65 L/cm 2 /min.

摘要翻译： 本发明的目的在于提供一种轻量且紧凑且透气性低的气囊用无涂层布帛，以及透气性低且具有柔软性的气囊用织物， 良好的包装性而不损害机织物的机械强度，以及使用该气囊用机织物的气囊。 1.一种包括基布的气囊用织物，其中构成基布的纤维的无纺织物纱线的纱线增宽比率不小于2.4且不大于3.5，或者包括具有基本上三角形横截面形状的单纱线 修改度为1.3至2.2; 撕裂强度不小于120N; 并且在20kPa的压差下的透气度不大于0.65L / cm 2 / min。

公开(公告)号：EP2848476B1

公开(公告)日：2019-04-17

申请号：EP13787460.8

申请日：2013-05-08

申请人： Toyobo Co., Ltd.

发明人： MATSUI, Yoshihiro ,  OWARI, Toshio ,  SOGABE, Shingo ,  YAMAMOTO, Miho ,  KOJYO, Yusuke ,  NISHIMURA, Hirokazu

IPC分类号： B60R21/235 ,  D03D1/02 ,  D03D15/00 ,  D06M15/227 ,  D06M101/34 ,  D03D13/00

公开(公告)号：EP2848717A1

公开(公告)日：2015-03-18

申请号：EP13787533.2

申请日：2013-05-08

申请人： Toyobo Co., Ltd.

发明人： NISHIMURA, Hirokazu ,  OWARI, Toshio ,  SOGABE, Shingo ,  YAMAMOTO, Miho ,  KOJYO, Yusuke ,  MATSUI, Yoshihiro ,  FUNAKI, Kenichi

IPC分类号： D03D1/02 ,  B60R21/235 ,  D01F6/90 ,  D03D15/00 ,  D06M13/03

CPC分类号： B60R21/235 ,  B60R2021/23509 ,  D01F1/10 ,  D01F6/60 ,  D03D1/02 ,  D03D13/008 ,  D10B2331/02 ,  D10B2505/124 ,  Y10T442/30 ,  Y10T442/3065

摘要： The present invention provides a non-coated woven fabric for air bag which can be used without problem even for pyro-inflators as well.
A non-coated woven fabric for air bag according to the present invention comprises a synthetic fiber containing 90% by weight or more of Nylon 66, characterized in that crimping rate of warp of the fabric is 10.0 to 13.0% while crimping rate of woof of the fabric is 6.0% or less, relative viscosity of Nylon 66 constituting the synthetic fiber in sulfuric acid is 3.15 to 3.7, the synthetic fiber contains 40 ppm to 200 ppm of phosphorus component and, when dynamic air permeability of the fabric is measured at a maximum pressure of 80 ± 5 kPa based on ASTM D 6476 under the environment of 20°C x 65% RH, biaxial elongation strain hysteresis of the fabric during a transition from increased pressure to reduced pressure at 50 kPa is 0.69% to 1.0%.

摘要翻译： 本发明提供一种用于气囊的无涂层织物，即使对于热释气器也可以毫无问题地使用。 根据本发明的用于气囊的无涂层织物包含含有90重量％以上的尼龙66的合成纤维，其特征在于，织物的翘曲率为10.0〜13.0％，同时卷曲率为 织物的含量为6.0％以下，构成硫酸中的合成纤维的尼龙66的相对粘度为3.15〜3.7，合成纤维含有40ppm〜200ppm的磷成分，当织物的动态透气度在 在20℃×65％RH的环境下，基于ASTM D 6476的最大压力为80±5kPa，在50kPa从增压到减压转变期间织物的双轴伸长应变滞后为0.69％至1.0％。

公开(公告)号：EP2848476A1

公开(公告)日：2015-03-18

申请号：EP13787460.8

申请日：2013-05-08

申请人： Toyobo Co., Ltd.

发明人： MATSUI, Yoshihiro ,  OWARI, Toshio ,  SOGABE, Shingo ,  YAMAMOTO, Miho ,  KOJYO, Yusuke ,  NISHIMURA, Hirokazu

IPC分类号： B60R21/235 ,  B60R21/23 ,  D03D1/02 ,  D03D15/00 ,  D06M15/227 ,  D06M101/34

CPC分类号： D03D1/02 ,  B60R21/235 ,  B60R21/239 ,  B60R2021/23509 ,  D03D13/008 ,  D03D15/00 ,  D06M15/227 ,  D06M2101/34 ,  D06M2200/40 ,  D10B2331/02 ,  D10B2505/124 ,  Y10T442/30 ,  Y10T442/3065

摘要： The present invention provides a base fabric for air bag which is excellent in terms of light weight and compactness and which is excellent in terms of an impactor characteristic to pyro-inflator and is particularly suitable for a driver seat and a passenger seat.
There is disclosed a non-coated base fabric for air bag characterized in that maximum value of inner pressure of a woven fabric in measurement of dynamic air permeability at 50 to 65°C is 70 to 100 kpa and biaxial strain rate of the base fabric at that time is 2.9 to 4.0%. Preferably, a yarn which constitutes the woven fabric is Nylon 66 fiber, content of an oil component remaining in the woven fabric is 0.04 to 0.60% by weight to the woven fabric, main ingredient of the oil component is an olefin type polymer having a melting point of 60°C or lower, and the woven fabric contains 20 to 200 ppm of a phosphorus component.

摘要翻译： 本发明提供一种气囊用底布，其重量轻，紧凑性优异，对于焦油充气机的冲击特性优异，特别适用于驾驶员座椅和乘客座椅。 公开了一种用于气囊的未涂覆基底织物，其特征在于，在50至65℃的动态透气度测量中织物的内部压力的最大值为70至100kpa，基底织物的双轴应变速率为 那时候是2.9到4.0％。 优选地，构成织物的纱线是尼龙66纤维，织物中保留的油性成分的含量相对于织物为0.04〜0.60重量％，油成分的主要成分是具有熔融的烯烃类聚合物 点为60℃以下，织物含有20〜200ppm的磷成分。