KR101301747B1 - Composition for mounting plate of driver air bag and mounting plate of driver air bag using it - Google Patents

Composition for mounting plate of driver air bag and mounting plate of driver air bag using it Download PDF

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KR101301747B1
KR101301747B1 KR1020060080789A KR20060080789A KR101301747B1 KR 101301747 B1 KR101301747 B1 KR 101301747B1 KR 1020060080789 A KR1020060080789 A KR 1020060080789A KR 20060080789 A KR20060080789 A KR 20060080789A KR 101301747 B1 KR101301747 B1 KR 101301747B1
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South Korea
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mounting plate
driver
polyamide
composition
seat airbag
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KR1020060080789A
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Korean (ko)
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KR20080018545A (en
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손창희
김현돈
이주형
강봉택
이상록
백인봉
김대업
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주식회사 엘지화학
현대모비스 주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/203—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in steering wheels or steering columns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/10—Polyamides derived from aromatically bound amino and carboxyl groups of amino-carboxylic acids or of polyamines and polycarboxylic acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2304/00—Optimising design; Manufacturing; Testing
    • B60Y2304/05—Reducing production costs, e.g. by redesign

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Air Bags (AREA)

Abstract

본 발명은 폴리아마이드 66 수지, 충격 보강제 및 유리섬유를 포함하는 운전석 에어백 마운팅 플레이트용 조성물 및 이를 이용한 운전석 에어백 마운팅 플레이트를 제공한다.The present invention provides a composition for a driver's seat airbag mounting plate comprising a polyamide 66 resin, an impact modifier, and glass fibers, and a driver's seat airbag mounting plate using the same.

본 발명에 의하는 경우, 특히 상온 충격 강도가 28kgcm/cm 이상의 뛰어난 내충격 특성을 얻을 수 있을 뿐만 아니라, 높은 기계적 강도, 우수한 내열성 및 가공성 등을 얻을 수 있다. 또한, 종래 수입에 의존하고 있는 운전석 에어백 마운팅 플레이트용 소재를 국산으로 대체할 수 있을 뿐만 아니라, 이로 인해 비용절감 효과도 얻을 수 있다.According to the present invention, in particular, not only excellent impact resistance at room temperature impact strength of 28 kgcm / cm or more can be obtained, but also high mechanical strength, excellent heat resistance, workability, and the like can be obtained. In addition, not only the domestic material for the driver's seat airbag mounting plate, which is dependent on conventional imports, can be replaced with domestic production, and thus, a cost reduction effect can be obtained.

운전석 에어백, 마운팅 플레이트, 폴리아마이드 66 Driver's airbag, mounting plate, polyamide 66

Description

운전석 에어백 마운팅 플레이트용 조성물 및 이를 이용한 운전석 에어백 마운팅 플레이트{COMPOSITION FOR MOUNTING PLATE OF DRIVER AIR BAG AND MOUNTING PLATE OF DRIVER AIR BAG USING IT}COMPOSITION FOR MOUNTING PLATE OF DRIVER AIR BAG AND MOUNTING PLATE OF DRIVER AIR BAG USING IT}

본 발명은 자동차 부품용 조성물 및 이를 이용한 자동차 부품에 관한 것으로서, 더욱 상세하게는 운전석 에어백 마운팅 플레이트용 조성물 및 이를 이용한 운전석 에어백 마운팅 플레이트에 관한 것이다.The present invention relates to a composition for an automobile part and an automobile part using the same, and more particularly, to a composition for a driver's seat airbag mounting plate and a driver's seat airbag mounting plate using the same.

최근, 자동차 산업에 있어서, 연비 향상, 대기 오염 문제 개선 및 고유가에 따른 하이브리드 자동차의 확산과 맞물려 자동차의 경량화 및 고기능화가 급속히 요구되고 있다. 그러나, 이와 같은 추세에도 불구하고, 자동차 및 자동차 부품은 인간의 생명과 직결되는 것이므로, 고충격 특성 및 고내열 특성을 여전히 요구하고 있다.In recent years, in the automobile industry, there has been a rapid demand for weight reduction and high functionality of automobiles in combination with fuel efficiency improvement, air pollution problem improvement, and the proliferation of hybrid vehicles due to high oil prices. However, despite such a trend, since automobiles and auto parts are directly connected to human life, they still require high impact characteristics and high heat resistance characteristics.

현재까지 운전석 에어백 마운팅 플레이트(DAB Mounting Plate)에 사용되고 있는 소재로는 알루미늄 얼로이 소재 또는 폴리아마이드 6 소재가 있다.To date, the materials used in the driver's seat airbag mounting plate are aluminum alloy materials or polyamide 6 materials.

알루미늄 얼로이 소재의 경우 설계 자유도 및 가공성에 있어서, 어려움이 있 을 뿐만 아니라, 고중량 등의 문제점을 가지고 있다. 또한, 폴리아마이드 6 소재의 경우에는 내충격 특성에서 다소 보완이 필요하다. In the case of the aluminum alloy material, not only are there difficulties in design freedom and workability, but also have problems such as high weight. In addition, in the case of polyamide 6 material, it is necessary to somewhat compensate for the impact resistance.

종래의 폴리아마이드 수지의 내충격성을 개량하기 위한 대표적인 방법으로는 폴리아마이드 수지에 충격 보강제를 혼합하는 방법이 있다. 예컨대, 미국 특허 등록 제4,803,247호는 충격 보강제로 니트릴 고무를 혼합하는 방법을 개시하고 있으며, 미국 특허 등록 제5,919,865호에서는 무수말레익산이 그래프트되어 있는 에스이비에스 고무를 혼합하는 방법을 개시하고 있다. 또한, 예컨대, 미국 특허 등록 제4,174,858호는 폴리아마이드 수지 60 내지 99중량%에 무수말레익산이 그래프트된 폴리올레핀계 충격 보강제를 1 내지 40 중량% 혼합하는 방법을 개시하고 있다.A typical method for improving the impact resistance of the conventional polyamide resin is a method of mixing an impact modifier with the polyamide resin. For example, U. S. Patent No. 4,803, 247 discloses a method of mixing nitrile rubber with an impact modifier, and U. S. Patent No. 5,919, 865 discloses a method of mixing SB rubber in which maleic anhydride is grafted. Also, US Patent No. 4,174,858, for example, discloses a method for mixing 1 to 40% by weight of a polyolefin-based impact modifier grafted with maleic anhydride to 60 to 99% by weight of polyamide resin.

그러나, 상기와 같이 충격보강제를 혼합하는 경우에도, 폴리아마이드 6 소재가 지니는 문제점을 여전히 내포하고 있으므로, 내충격 특성의 개선 효과가 미미하다는 문제점이 있었다. 즉, 폴리아마이드 6 소재를 사용할 경우, 충격 보강제의 증량만으로는 내충격 특성의 개선이 어렵기 때문에, 최적의 충격 보강제 첨가와 가공 조건 등을 보완해야만 최적의 모폴로지 구현을 통한 내충격 특성 개선이 어느 정도 가능하게 된다.  However, even when the impact modifier is mixed as described above, the polyamide 6 material still has problems, so that the effect of improving the impact resistance is insignificant. That is, when polyamide 6 material is used, it is difficult to improve the impact resistance by increasing the impact modifier alone. Therefore, the impact resistance improvement through the optimal morphology can be improved to some extent only by supplementing the optimum impact modifier and processing conditions. do.

그리하여, 폴리아마이드 6 소재를 대체할 수 있고, 뛰어난 내충격 특성을 나타낼 수 있는 운전석 에어백 마운팅 플레이트용 조성물이 절실히 요청되고 있다. Thus, there is an urgent need for compositions for driver seat airbag mounting plates that can replace polyamide 6 materials and exhibit excellent impact resistance properties.

상기와 같은 문제점을 해결하기 위하여, 본 발명은 우수한 내충격 특성을 지 니는 운전석 에어백 마운팅 플레이트용 조성물 및 이를 이용한 운전석 에어백 마운팅 플레이트를 제공하는 것을 그 목적으로 한다.In order to solve the above problems, an object of the present invention is to provide a composition for a driver's seat airbag mounting plate having excellent impact resistance characteristics and a driver's seat airbag mounting plate using the same.

상기와 같은 목적을 달성하기 위하여, 본 발명은 폴리아마이드 66 수지, 충격 보강제 및 유리섬유를 포함하는 운전석 에어백 마운팅 플레이트용 조성물을 제공한다.In order to achieve the above object, the present invention provides a composition for a driver's seat airbag mounting plate comprising a polyamide 66 resin, an impact modifier and glass fibers.

본 발명은 또한, 상기 조성물을 사출성형하여 제조되는 운전석 에어백 마운팅 플레이트를 제공한다.The present invention also provides a driver seat airbag mounting plate manufactured by injection molding the composition.

이하에서 본 발명을 더욱 상세하게 설명한다.Hereinafter, the present invention will be described in more detail.

우선, 본 발명은 폴리아마이드 66 수지, 충격 보강제 및 유리섬유를 포함하는 운전석 에어백 마운팅 플레이트용 조성물을 제공한다.First, the present invention provides a composition for a driver's seat airbag mounting plate comprising a polyamide 66 resin, an impact modifier, and glass fibers.

이때, 상기 조성물은 폴리아마이드 66 수지 20 내지 70중량%, 충격 보강제 1 내지 30 중량% 및 유리섬유 10 내지 50중량%를 포함하는 것이 바람직하다.At this time, the composition is preferably 20 to 70% by weight of polyamide 66 resin, 1 to 30% by weight of impact modifier and 10 to 50% by weight of glass fiber.

본 발명에 의한 조성물에서는 특히 폴리아마이드 66 수지를 사용하는데, 이와 같이 폴리아마이드 66 수지를 자동차 부품 등의 소재로 사용할 경우 뛰어난 기계적 강도와 내충격 특성을 얻을 수 있게 된다. 또한, 현재 수입에 의존하고 있는 폴리아마이드 6 수지를 대체할 수 있어 비용절감 효과도 얻을 수 있게 된다. In the composition according to the present invention, a polyamide 66 resin is used. In particular, when the polyamide 66 resin is used as a material for automobile parts, excellent mechanical strength and impact resistance properties can be obtained. In addition, it is possible to replace polyamide 6 resin, which currently depends on imports, thereby reducing costs.

본 발명에 의한 조성물에서 사용될 수 있는 폴리아마이드 66 수지의 종류로 는 특별히 제한되지 않는다고 할 것이며, 예컨대, 단량체로 고리 구조의 락탐 또는 w-아미노산이 단독 또는 2종 이상 축중합된 것이 사용될 수 있으며, 또한, 2가산(diacids) 또는 디아민(diamine)을 사용할 수도 있다. 나아가, 호모폴리아마이드(homopolyamide) 또는 코폴리아마이드(copolyamide)이거나 혹은 이들의 혼합물일 수도 있다. 이에 더하여 상기 폴리아마이드 66 수지는 반결정성 또는 비결정성이거나 이들의 혼합물일 수도 있다. It will be said that the kind of polyamide 66 resin that can be used in the composition according to the present invention is not particularly limited. It is also possible to use diacids or diamines. Furthermore, it may be homopolyamide or copolyamide, or a mixture thereof. In addition, the polyamide 66 resin may be semicrystalline or amorphous, or a mixture thereof.

본 발명에 의한 조성물에서 사용될 수 있는 충격 보강제로는 특별히 제한되지 않는다고 할 것이나, 그 중에서도 고무계 충격보강제가 바람직하며, 더욱 바람직하게는, 에틸렌-프로필렌 고무, 에틸렌-옥텐 고무 및 에틸렌-프로필렌-디엔 고무로 이루어진 군에서 선택된 1종 이상의 물질이다. 에틸렌-프로필렌 고무, 에틸렌-옥텐 고무, 에틸렌-프로필렌-디엔 고무의 경우, 특히 폴리아마이드 66 수지와 함께 사용될 경우 충격 강도를 크게 향상시킬 수 있게 된다.The impact modifier that can be used in the composition according to the present invention is not particularly limited, but among these, rubber-based impact modifiers are preferred, and more preferably, ethylene-propylene rubber, ethylene-octene rubber and ethylene-propylene-diene rubber At least one substance selected from the group consisting of. In the case of ethylene-propylene rubber, ethylene-octene rubber and ethylene-propylene-diene rubber, particularly when used with polyamide 66 resin, the impact strength can be greatly improved.

또한, 이와 같은 충격보강제는 1 내지 30중량% 포함되는 것이 바람직한데, 만일 1중량% 미만으로 포함될 경우 내열 특성은 개선되나 내충격 특성이 발현되지 못하게 되므로 바람직하지 않으며, 30중량% 이상으로 포함될 경우 내충격 특성은 우수하나 가공성의 문제점이 발생되어 바람직하지 않다.In addition, such an impact enhancer is preferably included in the 1 to 30% by weight, if less than 1% by weight is not preferable because the heat resistance is improved but the impact resistance is not expressed, and when included in more than 30% by weight Although excellent in properties, workability problems arise, which is undesirable.

나아가, 본 발명은 상기 조성물을 사출성형하여 제조되는 운전석 에어백 마운팅 플레이트를 제공한다.Furthermore, the present invention provides a driver seat airbag mounting plate manufactured by injection molding the composition.

상기와 같은 운전석 에어백 마운팅 플레이트는 상기 조성물을 예컨대, 배럴 온도 250 내지 330℃의 이축압출기에서 압출 혼합하여 펠릿을 제조하고, 상기 펠릿 을 용융 및 사출성형함으로써 제조된다. 이와 같이 제조된 운전석 에어백 마운팅 플레이트의 경우, 특히 뛰어난 내충격 특성을 지니게 된다.Such a driver's seat airbag mounting plate is produced by extrusion mixing the composition, for example, in a twin screw extruder having a barrel temperature of 250 to 330 ° C. to produce pellets, and melting and injection molding the pellets. In the case of the driver's seat airbag mounting plate manufactured as described above, it has particularly excellent impact resistance characteristics.

이하에서, 본 발명의 바람직한 실시예를 통하여 본 발명을 보다 구체적으로 설명한다. 그러나, 본 실시예는 본 발명의 권리범위를 한정하는 것은 아니고 단지 예시로서 제시된 것이다.Hereinafter, the present invention will be described in more detail with reference to preferred embodiments of the present invention. However, this embodiment is not intended to limit the scope of the present invention, but is presented by way of example only.

<< 실시예Example > >

<< 실시예Example 1 내지 4> 1 to 4>

하기 표 1의 조성으로 이루어진 운전석 에어백 마운팅 플레이트용 조성물을 각각 제조하였다. 상기 각 조성물을 270℃∼290℃의 온도에서 용융 혼련하고, 펠렛타이저로 펠렛을 얻은 다음 90℃의 제습 건조기에서 6시간 동안 건조하여 물성 측정을 위한 시편을 제작하였다.To prepare a composition for the driver's seat airbag mounting plate consisting of the composition of Table 1 below. Each composition was melt kneaded at a temperature of 270 ° C. to 290 ° C., pellets were obtained by a pelletizer, and then dried in a dehumidifying dryer at 90 ° C. for 6 hours to prepare a specimen for measuring physical properties.


폴리아마이드66 (중량%)Polyamide 66 (wt%) 에틸렌-옥텐고무 (중량%)Ethylene-Octene Rubber (wt%) 유리섬유
(중량%)Glass fiber
(weight%) 실시예 1Example 1 5050 1010 4040 실시예 2Example 2 4545 1515 4040 실시예 3Example 3 4040 2020 4040 실시예 4Example 4 5252 1515 3333

<< 비교예Comparative Example 1 내지 2> 1 to 2>

하기 표 2의 조성으로 이루어진 것을 제외하고는 상기 실시예와 동일한 방법으로 운전석 에어백 마운팅 플레이트용 조성물 및 물성 측정을 위한 시편을 제작하였다.Except that the composition of Table 2 was prepared in the same manner as in the above Example was prepared for the composition for the driver's seat airbag mounting plate and the measurement of the physical properties.

폴리아마이드6 (중량%)Polyamide 6 (% by weight) 에틸렌-옥텐고무 (중량%)Ethylene-Octene Rubber (wt%) 니트릴 고무
(중량%)Nitrile rubber
(weight%) 유리섬유
(중량%)Glass fiber
(weight%) 비교예 1Comparative Example 1 6767 -- 3333 비교예 2Comparative Example 2 5252 1515 3333 비교예 3Comparative Example 3 5757 1010 -- 3333 비교예 4Comparative Example 4 5252 1515 -- 3333

<< 실험예Experimental Example > >

상기 실시예 1 내지 4 및 비교예 1 내지 2에 의하여 얻은 조성물에 대하여 인장강도, 굴곡강도, 굴곡탄성율, 충격강도를 측정하여 하기 표 3으로 나타내었다.Tensile strength, flexural strength, flexural modulus, and impact strength of the compositions obtained in Examples 1 to 4 and Comparative Examples 1 and 2 were measured and shown in Table 3 below.

이때, 인장강도는 ASTM D638에 의하여 측정하였고, 굴곡강도 및 굴곡탄성율은 ASTM D790에 의하여 측정하였으며, 충격강도는 ASTM D256에 의하여 측정하였다.At this time, tensile strength was measured by ASTM D638, flexural strength and flexural modulus were measured by ASTM D790, and impact strength was measured by ASTM D256.

인장강도
(kg/cm2)The tensile strength
(kg / cm 2 ) 굴곡강도
(kg/cm2)Flexural strength
(kg / cm 2 ) 굴곡탄성율
(kg/cm2)Flexural modulus
(kg / cm 2 ) 충격강도
(kgcm/cm)Impact strength
(kgcm / cm) 실시예 1Example 1 1,5001,500 2,2002,200 78,00078,000 3030 실시예 2Example 2 1,2601,260 1,7001,700 64,00064,000 3232 실시예 3Example 3 1,0001,000 1,2001,200 50,00050,000 5050 실시예 4Example 4 1,0501,050 1,4001,400 55,00055,000 2828 비교예 1Comparative Example 1 1,2301,230 1,7501,750 60,00060,000 1414 비교예 2Comparative Example 2 1,1001,100 1,5001,500 53,00053,000 1717 비교예 3Comparative Example 3 1,2001,200 1,7001,700 63,00063,000 1818 비교예 4Comparative Example 4 1,0001,000 1,4001,400 55,00055,000 2222

상기 표 3의 결과로부터, 폴리아마이드 66 수지를 사용한 실시예 1 내지 4의 경우가 폴리아마이드 6을 사용한 비교예 1 내지 4에 비하여 충격 강도 면에서 훨씬 뛰어난 효과를 얻을 수 있음을 확인할 수 있었다.From the results of Table 3, it can be seen that Examples 1 to 4 using the polyamide 66 resin can obtain a much superior effect in terms of impact strength compared to Comparative Examples 1 to 4 using the polyamide 6.

상기에서 본 바와 같이, 본 발명에 의한 조성물에 의하는 경우, 특히 상온 충격 강도가 28kgcm/cm 이상의 뛰어난 내충격 특성을 얻을 수 있을 뿐만 아니라, 높은 기계적 강도, 우수한 내열성 및 가공성 등을 얻을 수 있다. As described above, in the case of the composition according to the present invention, in particular, not only excellent impact resistance at room temperature impact strength of 28 kgcm / cm or more can be obtained, but also high mechanical strength, excellent heat resistance and workability, and the like can be obtained.

또한, 종래 수입에 의존하고 있는 운전석 에어백 마운팅 플레이트용 소재를 국산으로 대체할 수 있을 뿐만 아니라, 이로 인해 비용절감 효과도 얻을 수 있다.In addition, not only the domestic material for the driver's seat airbag mounting plate, which is dependent on conventional imports, can be replaced with domestic production, and thus, a cost reduction effect can be obtained.

Claims (4)

폴리아마이드 66 수지, 고무계 충격 보강제 및 유리섬유를 포함하되,Polyamide 66 resin, rubber based impact modifier and glass fibers, 상기 폴리아마이드 66 수지 20 내지 70중량%, 상기 고무계 충격 보강제 1 내지 30 중량% 및 상기 유리섬유 10 내지 50중량%를 포함하는20 to 70% by weight of the polyamide 66 resin, 1 to 30% by weight of the rubber-based impact modifier and 10 to 50% by weight of the glass fiber 운전석 에어백 마운팅 플레이트용 조성물. Composition for the driver's seat airbag mounting plate. 삭제delete 제 1 항에 있어서,The method of claim 1, 상기 고무계 충격 보강제는 에틸렌-프로필렌 고무, 에틸렌-옥텐 고무 및 에틸렌-프로필렌-디엔 고무로 이루어진 군에서 선택된 1종 이상의 물질인 조성물.The rubber-based impact modifier is at least one material selected from the group consisting of ethylene-propylene rubber, ethylene-octene rubber and ethylene-propylene-diene rubber. 제 1 항 또는 제 3 항에 의한 조성물을 사출성형하여 제조되는 운전석 에어백 마운팅 플레이트.A driver's seat airbag mounting plate prepared by injection molding the composition according to claim 1.
KR1020060080789A 2006-08-24 2006-08-24 Composition for mounting plate of driver air bag and mounting plate of driver air bag using it KR101301747B1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4803247A (en) * 1987-10-27 1989-02-07 Allied-Signal Inc. Polyamide compositions having nitrile rubber and copolymer of ethylene and alpha-olefin therein
KR20020059911A (en) * 2001-01-09 2002-07-16 구광시 A side curtain typed airbag, and a process of preparing for the same
KR20020096479A (en) * 2001-06-20 2002-12-31 장홍근 Thermoplastic resin-laminated structure, preparing method and use thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4803247A (en) * 1987-10-27 1989-02-07 Allied-Signal Inc. Polyamide compositions having nitrile rubber and copolymer of ethylene and alpha-olefin therein
KR20020059911A (en) * 2001-01-09 2002-07-16 구광시 A side curtain typed airbag, and a process of preparing for the same
KR20020096479A (en) * 2001-06-20 2002-12-31 장홍근 Thermoplastic resin-laminated structure, preparing method and use thereof

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