WO2022145873A1 - 코팅 직물 및 이를 포함하는 에어백 - Google Patents
코팅 직물 및 이를 포함하는 에어백 Download PDFInfo
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- WO2022145873A1 WO2022145873A1 PCT/KR2021/019706 KR2021019706W WO2022145873A1 WO 2022145873 A1 WO2022145873 A1 WO 2022145873A1 KR 2021019706 W KR2021019706 W KR 2021019706W WO 2022145873 A1 WO2022145873 A1 WO 2022145873A1
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- Prior art keywords
- fiber
- fabric
- coating layer
- coated fabric
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- 239000004744 fabric Substances 0.000 title claims abstract description 95
- 239000000835 fiber Substances 0.000 claims description 87
- 239000011247 coating layer Substances 0.000 claims description 49
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
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- 239000010445 mica Substances 0.000 description 1
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- 239000002759 woven fabric Substances 0.000 description 1
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- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
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- Y10T442/2861—Coated or impregnated synthetic organic fiber fabric
Definitions
- the present application relates to a coated fabric and an airbag comprising the same.
- An airbag is a device that protects a vehicle user by detonating gunpowder after a sensor detects a collision impact when an external force due to a collision is applied to a vehicle, and expanding the cushion by the gas supplied into the airbag cushion. Since high-temperature and high-pressure gas is generated around the inflator involved in the cushion inflation process, the airbag fabric is damaged, thereby deteriorating the pressure-resistant performance of the cushion.
- An object of the present application is to provide a coated fabric that can solve the problems of the prior art described above.
- Another object of the present application is to provide a coated fabric having excellent foldability.
- Another object of the present application is to provide a coated fabric having excellent heat resistance and durability even at low weight and/or low density.
- Another object of the present application is to provide an airbag including the coated fabric.
- the present application relates to a coated fabric.
- the coating fabric includes a fiber base (A) and a coating layer (B) formed on the fiber base.
- a coating layer is formed on the fiber base means that the fiber base (and/or the fiber forming the fiber base) It means that a film (coating layer) is formed on the surface of the coating layer forming material.
- the coating layer (B) includes a binder resin and a filler, and the filler is present in a dispersed state in the coating layer or in the binder resin.
- the filler may include chopped ceramic fibers and/or an aggregate thereof.
- the filler may be an aggregated ceramic bulk fiber (CBF).
- the fibrous substrate may include non-ceramic fibers.
- the fiber base may include organic fibers.
- properties such as tensile strength, tear strength, and elongation, which are basically required for an airbag fabric, are not good.
- the fiber base may include one or more selected from polyester fibers, aramid fibers, nylon fibers, carbon fibers, polyketone fibers, cellulose fibers, polyolefin fibers, and acrylic fibers.
- the fibers included in the fiber base may have a fineness in the range of 450 to 1,100 dtex.
- the lower limit of the fineness may be, for example, 500 dtex or more, 550 dtex or more, or 600 dtex or more
- the upper limit is, for example, 1000 dtex or less, 900 dtex or less, 800 dtex or less, 700 dtex or less, or 600 dtex or less.
- the fiber substrate may be a woven fabric or a non-woven fabric, or may include one or more of these.
- the fibrous substrate may include one or more layers.
- the fiber base may be a laminate including two or more fabric layers, a laminate including two or more nonwoven layers, or a laminate including one or more fabric layers and one or more nonwoven layers.
- the fiber base material may have a low density characteristic in order to secure the foldability of the (coating) fabric for the airbag.
- the fiber base may be a fabric including warp and weft yarns, and warp and weft densities of the fabric may be in the range of 20 to 55 th/inch, respectively.
- the lower limit of the density of the warp or weft may be, for example, 25 th/inch or more, 30 th/inch or more, 35 th/inch or more, 40 th/inch or more, or 45 th/inch or more, and the upper limit is For example, it may be 50 th/inch or less or 45 th/inch or less.
- the density may be measured according to ISO 7211-2 (section 3.07).
- the coating layer of the coated fabric according to the present application includes ceramic fibers as a filler.
- the ceramic fibers are short fibers, and since they have a property of aggregating with each other in the coating layer or in the composition for forming the coating layer, it is possible to provide sufficient heat resistance and durability than other types of fillers.
- Ceramic fibers eg, ceramic bulk fibers (CBF) used in the present application have a stronger agglomeration property. Accordingly, the ceramic fiber used in the present application may provide superior heat resistance compared to a ceramic filler of the same size, that is, a conventional ceramic filler that is not in the form of a fiber (refer to evaluation 2 below).
- the ceramic fiber has a shape (bulk shape) in which chopped short fibers are agglomerated.
- the fibers form a plurality of aggregates, and these aggregates are dispersed in the coating layer or in the binder resin.
- Example using the coating layer in which the aggregates of chopped ceramic fibers are dispersed and present has superior heat resistance than Comparative Example 1 and Comparative Example 2 using a double fabric with a large amount of coating It can have durability.
- the ceramic fiber that is, the ceramic bulk fiber (CBF) may have a size in the range of 0.1 to 2.0 mm.
- the size of the CBF can be confirmed through a known optical microscope or the like, and may mean the length of the largest dimension among the dimensions of the shape of the CBF.
- the size of the CBF is, for example, 0.15 mm or more, 0.20 mm or more, 0.25 mm or more, 0.30 mm or more, 0.35 mm or more, 0.40 mm or more, 0.45 mm or more, 0.50 mm or more, 0.55 mm or more, 0.60 mm or more, 0.65 mm or more, 0.70 mm or more, 0.75 mm or more, 0.80 mm or more, 0.85 mm or more, 0.90 mm or more, 0.95 mm or more, 1.0 mm or more, 1.05 mm or more, 1.10 mm or more, 1.15 mm or more , 1.20 mm or more, 1.25 mm or more, 1.30 mm or more, 1.35 mm or more, 1.40 mm or more, 1.45 mm or more, or 1.50 mm or more.
- the upper limit of the size of the CBF is, for example, 1.95 mm or less, 1.90 mm or less, 1.85 mm or less, 1.80 mm or less, 1.75 mm or less, 1.70 mm or less, 1.65 mm or less, 1.60 mm or less, 1.55 mm or less, 1.50 mm or less, 1.45 mm or less, 1.40 mm or less, 1.35 mm or less, 1.30 mm or less, 1.25 mm or less, 1.20 mm or less, 1.15 mm or less, 1.10 mm or less, 1.05 mm or less, 1.0 mm or less, 0.95 mm or less, 0.90 mm or less, 0.85 mm or less, 0.80 mm or less, 0.75 mm or less, 0.70 mm or less, 0.65 mm or less, 0.60 mm or less, 0.55 mm or less, or 0.55 mm or less.
- CBF agglomerated to have the above range may provide excellent heat resistance durability.
- the dispersion degree of the aggregate may be expressed as an area occupied by the aggregate visible in the coating layer compared to the area of the coating layer.
- the aggregate may occupy an area ranging from 1 to 25% of the total area of the coating layer. This area can be calculated by analyzing the surface of the coating layer with an optical microscope. Specifically, after checking the total area of one surface of the coating layer, checking the area occupied by the filler (aggregate) on one surface of the coating layer, calculating how many % of the area of the coating layer the filler (aggregate) occupies, The degree of dispersion can be checked.
- the coating layer may be divided into several regions, and the area measured for each divided region and the ratio thereof may be calculated as an average value (arithmetic mean).
- the type of the optical microscope used in this regard is not particularly limited.
- the ratio of the area occupied by the aggregate to the total area of the coating layer may be, for example, 5% or more or 10% or more, and the upper limit thereof may be, for example, 20% or less or 15% or less.
- the ceramic fiber may include an oxide, nitride, or carbide of one or more of Si, Al, Ti, Zr, Ca, and Mg.
- the ceramic fiber may include an oxide of one or more of Si, Al, Ti, Zr, Ca, and Mg.
- the ceramic fiber may include SiO 2 , CaO and MgO.
- the ceramic fibers included in the coating layer include at least SiO 2 , CaO and MgO, as confirmed in the experimental example below, excellent heat resistance durability can be ensured.
- the ceramic fiber may include SiO 2 , 50 to 60% by weight, 20 to 30% by weight of CaO, and 10 to 30% by weight of MgO.
- the ceramic fibers included in the coating layer include SiO 2 , CaO and MgO in the above content range, as confirmed in the experimental examples below, excellent heat resistance durability can be ensured.
- the coating amount of the coating layer for one layer of the fiber substrate may be 100 gsm (g/m 2 ) or less.
- the lower limit of the coating amount is, for example, 50 gsm or more, 55 gsm or more, 60 gsm or more, 65 gsm or more, 70 gsm or more, 75 gsm or more, 80 gsm or more, 85 gsm or more, 90 gsm or more, or 95 gsm or more. It can be more than gsm.
- the upper limit may be, for example, 95 gsm or less, 90 gsm or less, 85 gsm or less, 80 gsm or less, 75 gsm or less, 70 gsm or less, 65 gsm or less, or 60 gsm or less.
- the coating layer of the present application is a coating layer in which the filler, which is a ceramic fiber, is dispersed, even if the coating amount is small, a higher coating effect (eg, heat resistance) is obtained than when no ceramic fiber filler is used or when other types of filler are used. can be obtained
- the coating amount may be measured according to ISO 3801 (section 3.07).
- the binder resin included in the coating layer may include at least one selected from a silicone resin and a urethane resin. Specific components and properties of the silicone resin or the urethane resin are not particularly limited.
- a silicone resin may be used as the binder resin.
- the type of specific material capable of forming the silicone binder resin is not particularly limited.
- the silicone resin may be or include a silicone elastomer formed by crosslinking or curing polysiloxane.
- a siloxane compound known to be capable of providing a silicone resin by polyaddition reaction may also be used as the silicone binder resin.
- a known product, for example, TCS 7516 or TCS 7537 of ELKEM Co. may be used for forming the coating layer including the silicone binder resin.
- the coating layer may include the filler in an amount of 20% by weight or less, based on 100% by weight of the total coating layer.
- 100% by weight of the entire coating layer may mean a total content based on solid contents of the binder resin and filler included in the coating layer.
- the total content based on the solid content of the binder resin, filler, and other components may be viewed as 100% by weight of the entire coating layer.
- the lower limit of the content of the filler is not particularly limited, but may be, for example, 1 wt% or more. Specifically, in consideration of the effect of improving heat resistance and durability according to the use of the filler, it is preferable that 5% by weight or more of the filler be used.
- the weight (g/m 2 ) of the coated fabric having the above configuration may be 350 g/m 2 or less.
- the upper limit of the weight of the coated fabric may be, for example, 340 g/m 2 or less, 330 g/m 2 or less, 320 g/m 2 or less, 310 g/m 2 or less, or 300 g/m 2 or less
- the lower limit thereof may be, for example, 280 g/m 2 or more, 290 g/m 2 or more, 300 g/m 2 or more, or 310 g/m 2 or more.
- the weight of the coated fabric may be measured according to ISO 3801 (section 3.07).
- the thickness of the coated fabric of the configuration may range from 0.25 to 0.40 mm.
- the thickness of the fabric is based on one layer of the coated fabric.
- the lower limit of the thickness may be 0.26 mm or more, 0.27 mm or more, 0.28 mm or more, 0.29 mm or more, or 0.30 mm or more
- the upper limit thereof is, for example, 0.39 mm or less, 0.38 mm or less, 0.37 mm or less, 0.36 mm or more. mm or less, or 0.35 mm or less.
- the thickness may be measured according to ISO 5084 (section 3.09).
- the present application relates to a method of manufacturing a coated fabric.
- the method for manufacturing the coated fabric includes coating a composition including a binder resin and a filler on a fiber substrate, and then curing the coated composition.
- the filler includes chopped ceramic fibers or an aggregate thereof.
- Other descriptions of the binder resin and filler are the same as described above, and thus will be omitted.
- the coating may be made so that a film (coating layer) of the composition can be formed on the surface of the fiber base (and/or the fiber forming the fiber base).
- the method for coating the composition on the fiber substrate is not particularly limited, and may be appropriately performed according to a known method.
- the curing may be performed at room temperature or higher.
- the room temperature may mean a temperature of about 15 to 35 °C as a temperature in a state in which temperature reduction or heating is not particularly performed.
- the temperature above room temperature is a temperature at which heating is made, and may mean a temperature exceeding 35 °C, for example, a temperature in the range of 40 to 300 °C.
- the curing time at the above temperature is not particularly limited, and the curing may be performed, for example, for several seconds (sec) to several tens of minutes (min).
- the present application relates to an airbag.
- the airbag includes the above-described coated fabric.
- the coated fabric may be used as a reinforcing fabric for an airbag.
- the reinforcing fabric means a configuration that is padded to prevent damage to the airbag cushion fabric, etc. in the inflating part of the airbag.
- a configuration in which the reinforcement cloth is padded among the configurations of the airbag may be referred to as a main panel.
- the airbag is configured to include a main panel; and a reinforcing fabric attached to at least a partial area of the main panel.
- the main panel may have an area greater than or equal to the area of the reinforcement fabric.
- the main panel may include a fabric including one or more selected from polyester fibers, aramid fibers, nylon fibers, carbon fibers, polyketone fibers, cellulose fibers, polyolefin fibers, and acrylic fibers.
- the main panel may include a fabric having a density ranging from 45 to 55 th/inch in warp and weft yarns.
- the main panel may have a coating layer.
- the coating layer of the main panel may include a generally known silicone resin or urethane resin, but is not limited thereto.
- the coating amount may be 20 to 40 gsm, but is not particularly limited thereto.
- the coated fabric for an airbag having excellent heat resistance in consideration of the weight reduction of the airbag and the coated fabric, and the foldability and accommodation of the airbag cushion, even when a low-density coating layer is formed on the low-weight fabric, the coated fabric for an airbag having excellent heat resistance can be provided.
- FIG. 1 schematically shows a method for evaluating inflator damage and a result thereof.
- FIG. 1A is an image for schematically showing an installation method of an inflator and a fabric used for evaluation
- FIGS. 1B, 1C and 1D are respectively Example 1, Comparative Example 1, and Comparative Example 2 Heat resistance evaluation This is an image of the result.
- FIG. 2 is an image taken with an optical microscope of the surface of the coating layer according to an example of the present application. It can be seen that the aggregated filler is visually recognized as a darker shade.
- the size of the filler confirmed in FIG. 2 is in the range of 0.1 to 2.0 mm.
- FIG. 3 is a view showing a comparison of heat resistance durability evaluation results (Hot-rod evaluation) and agglomeration characteristics according to the type of filler.
- FIG. 3A is an experimental result showing that the CBF (ceramic bulk fiber) fiber provides better heat resistance durability through hot-rod evaluation.
- FIG. 3B is a schematic diagram for explaining the reason why the heat resistance durability varies according to the type of filler and the cohesive characteristics. As shown in FIG. 3B , since CBF has a stronger tendency to agglomerate compared to other ceramic fillers, it is possible to suppress damage to the coating layer-forming resin under high temperature/high pressure conditions.
- TCS 7516 of ELKEM which is a silicone-based binder resin
- ceramic bulk fibers ceramic fibers composed of SiO 2 , 55 wt%, CaO 25 wt%, and MgO 20 wt%
- a composition comprising At this time, the content of the ceramic bulk fiber was adjusted to be about 10% by weight in the final cured coating layer.
- a fabric was prepared from PET fibers having a fineness of 550 dtex. Specifically, a fabric (1 layer) having a fabric density of 46 x 46 th/inch (warp x weft) was prepared, and the composition prepared as described above was coated on the fabric at a level of about 87 gsm. Thereafter, curing was carried out at a temperature of 160 to 190° C. for at least 1 minute and 30 seconds using a hot air chamber, and a fabric fabric was prepared. The weight of the prepared coated fabric is 315 g/m 2 , and the thickness is about 0.33 mm (see FIG. 2 ).
- ELKEM's TCS 7517 was prepared as a silicone-based binder resin.
- a fabric was made of PA66 fibers having a fineness of 470 dtex. Specifically, a fabric (1 layer) having a fabric density of 46 x 46 th/inch (warp x weft) was prepared. Then, the prepared coating composition was coated on the prepared fabric at a level of about 122 gsm (the amount of coating is about 50 gsm more than in Example 1), and then cured under the same conditions as in Example 1. The weight of the prepared coated fabric was 308 g/m 2 and the thickness was about 0.33 mm.
- a fabric was made of PA66 fibers having a fineness of 470 dtex. Specifically, a fabric having a density of 112 x 96 th/inch (warp x weft) of a fabric (bind 2 layers, a double fabric different from Example and Comparative Example 1) was prepared. Then, the prepared composition was coated on the fabric at a level of about 69 gsm. The weight of the prepared coated fabric was 512 g/m 2 and the thickness was about 0.66 mm.
- a cylindrical rod (10 mm in diameter, 80 mm in length, and 50 g in weight) was prepared, and the rod was heated to a desired 600° C. and brought into contact with the coated fabric. And the time (seconds) until the rod falls down after completely melting the fabric was measured, and it is described in Table 1.
- a specimen was prepared by wrapping 6 layers of coated fabric fabrics of Examples and Comparative Examples (see FIG. 1a ). Then, the process when the airbag is deployed was simulated so that a high-temperature and high-pressure gas was applied to the specimen. At this time, the high temperature and high pressure gas was controlled to be given at a maximum pressure of 180 to 270 Kpa for 40 to 80 ms.
- the filler type of the coated fabric prepared in Example 1 was changed as shown in FIG. 3a, and the above-described HOT-ROD evaluation results were compared.
- the content of the filler in the coating layer is equally applied at 5 wt%, and CBF (ceramic bulk fiber), conventional ceramic filler (Mica (D50 average (number distribution) size of about 40 um), Silica (about 20 ⁇ When using D50 average (number distribution size of 30 um) and Talc (D50 average (number distribution size of approximately 20-30 um) respectively) and CF (carbon fiber) filler (approximately 2-3 mm size) HOT-ROD evaluation was performed.
- the Y-axis result is the arithmetic mean value (unit: seconds) after about 10 runs.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Air Bags (AREA)
- Laminated Bodies (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Woven Fabrics (AREA)
Abstract
Description
실시예 1 | 비교예 1 | 비교예 2 | ||
HOT-ROD 평가 (sec) | 5.3 | 4.1 | 3.6 | |
인플레이터 손상 평가 | 손상된 직물 개수 (layer) | 2 | 4 | 4 |
스코어 | 24 | 44 | 44 |
Claims (15)
- 섬유 기재(A), 및 상기 섬유 기재 상에 형성되는 코팅층(B)을 포함하고,상기 코팅층은 바인더 수지 및 필러(filler)를 포함하며,상기 필러는 코팅층 내에 분산되어 있고,상기 필러는 춉트 세라믹 섬유(chopped ceramic fiber) 및 그 응집물 중 하나 이상을 포함하는, 코팅 직물.
- 제 1 항에 있어서,상기 세라믹 섬유는 Si, Al, Ti, Zr, Ca 및 Mg 중 하나 이상의 산화물, 질화물 또는 탄화물을 포함하는, 코팅 직물.
- 제 2 항에 있어서,상기 세라믹 섬유는 Si, Al, Ti, Zr, Ca 및 Mg 중 하나 이상의 산화물을 포함하는, 코팅 직물.
- 제 3 항에 있어서,상기 세라믹 섬유는 SiO2, CaO 및 MgO를 포함하는, 코팅 직물.
- 제 4 항에 있어서,상기 세라믹 섬유는 SiO2 50 내지 60 중량%, CaO 20 내지 30 중량%, 및 MgO 10 내지 30 중량% 를 포함하는, 코팅 직물.
- 제 1 항에 있어서,상기 바인더 수지는 우레탄 수지 및 실리콘 수지 중에서 선택되는 1 이상을 포함하는, 코팅 직물.
- 제 1 항에 있어서,상기 코팅층은, 코팅층 전체 100 중량% 대비, 20 중량% 이하로 상기 필러를 포함하는, 코팅 직물.
- 제 1 항에 있어서,섬유 기재 1개 층(layer)에 대한 상기 코팅층의 코팅량이 100 gsm 이하인, 코팅 직물.
- 제 1 항에 있어서,상기 섬유 기재는 폴리에스테르 섬유, 아라미드 섬유, 나일론 섬유, 탄소섬유, 폴리케톤 섬유, 셀룰로오스 섬유, 폴리올레핀 섬유 및 아크릴 섬유 중에서 선택되는 하나 이상을 포함하는, 코팅 직물.
- 제 9 항에 있어서,상기 섬유 기재가 포함하는 섬유의 섬도는 450 내지 1,100 dtex 범위인, 코팅 직물.
- 제 9 항에 있어서,상기 섬유 기재는 경사 및 위사를 포함하는 직물이고,상기 직물의 경사 및 위사 밀도는 각각 20 내지 55 th/inch 범위 이내인, 코팅 직물.
- 제 1 항에 있어서,상기 코팅 직물은 350 g/m2 이하의 무게를 갖는, 코팅 직물.
- 제 1 항에 있어서,상기 코팅 직물은 0.25 내지 0.40 mm 범위의 두께를 갖는, 코팅 직물.
- 바인더 수지 및 필러(filler)를 포함하는 코팅 조성물을 섬유 기재 상에 도포 후 경화하는 단계를 포함하고,상기 필러는 춉트 세라믹 섬유(chopped ceramic fiber) 및 그 응집물 중 하나 이상을 포함하는, 코팅 직물의 제조방법.
- 제 1 항에 따른 코팅 직물을 포함하는 에어백.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21915671.8A EP4234802A1 (en) | 2020-12-29 | 2021-12-23 | Coated fabric and airbag comprising same |
US18/252,730 US20230416976A1 (en) | 2020-12-29 | 2021-12-23 | Coated fabric and air bag comprising the same |
MX2023007709A MX2023007709A (es) | 2020-12-29 | 2021-12-23 | Tela recubierta y bolsa de aire que la comprende. |
JP2023533775A JP2023552358A (ja) | 2020-12-29 | 2021-12-23 | コーティング織物およびこれを含むエアバッグ |
CN202180077436.9A CN116457526A (zh) | 2020-12-29 | 2021-12-23 | 涂层织物和包括该涂层织物的安全气囊 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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KR10-2020-0186479 | 2020-12-29 | ||
KR20200186479 | 2020-12-29 | ||
KR1020210185280A KR20220095131A (ko) | 2020-12-29 | 2021-12-22 | 코팅 직물 및 이를 포함하는 에어백 |
KR10-2021-0185280 | 2021-12-22 |
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WO2022145873A1 true WO2022145873A1 (ko) | 2022-07-07 |
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US (1) | US20230416976A1 (ko) |
EP (1) | EP4234802A1 (ko) |
JP (1) | JP2023552358A (ko) |
MX (1) | MX2023007709A (ko) |
TW (1) | TWI806316B (ko) |
WO (1) | WO2022145873A1 (ko) |
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KR20100012674A (ko) * | 2008-07-29 | 2010-02-08 | (주)대우인터내셔널 | 방염성 원단 제조방법 및 이에 따른 방염성 원단 |
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WO2007079167A1 (en) * | 2005-12-30 | 2007-07-12 | 3M Innovative Properties Company | Ceramic oxide fibers |
CN108951181A (zh) * | 2018-07-09 | 2018-12-07 | 北京科技大学 | 用于纺织布基底的水性真空陶瓷微珠隔热涂料及制备方法 |
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2021
- 2021-12-23 MX MX2023007709A patent/MX2023007709A/es unknown
- 2021-12-23 US US18/252,730 patent/US20230416976A1/en active Pending
- 2021-12-23 EP EP21915671.8A patent/EP4234802A1/en active Pending
- 2021-12-23 WO PCT/KR2021/019706 patent/WO2022145873A1/ko active Application Filing
- 2021-12-23 JP JP2023533775A patent/JP2023552358A/ja active Pending
- 2021-12-28 TW TW110149009A patent/TWI806316B/zh active
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KR20090083938A (ko) * | 2006-12-22 | 2009-08-04 | 블루스타 실리콘즈 프랑스 에스에이에스 | 단면 또는 양면이 하나 이상의 강화 엘라스토머 실리콘 층으로 코팅된 직물, 편물 또는 부직물 섬유성 기재의 제조 방법 |
KR20100012674A (ko) * | 2008-07-29 | 2010-02-08 | (주)대우인터내셔널 | 방염성 원단 제조방법 및 이에 따른 방염성 원단 |
JP2013170326A (ja) * | 2012-02-21 | 2013-09-02 | Magic Kk | 糸、繊維コーティング剤及び布 |
KR20170038352A (ko) * | 2015-09-30 | 2017-04-07 | 코오롱인더스트리 주식회사 | 에어백 원단 및 그 제조방법 |
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TWI806316B (zh) | 2023-06-21 |
MX2023007709A (es) | 2023-07-10 |
EP4234802A1 (en) | 2023-08-30 |
JP2023552358A (ja) | 2023-12-15 |
TW202233923A (zh) | 2022-09-01 |
US20230416976A1 (en) | 2023-12-28 |
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