JP2013079468A - Interior material for vehicle - Google Patents

Interior material for vehicle Download PDF

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Publication number
JP2013079468A
JP2013079468A JP2011220448A JP2011220448A JP2013079468A JP 2013079468 A JP2013079468 A JP 2013079468A JP 2011220448 A JP2011220448 A JP 2011220448A JP 2011220448 A JP2011220448 A JP 2011220448A JP 2013079468 A JP2013079468 A JP 2013079468A
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Japan
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nonwoven fabric
ceiling material
ceiling
interior material
propylene
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JP2011220448A
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JP5684687B2 (en
Inventor
Saburo Yagi
三郎 八木
Hiroshi Ito
担 伊東
Takayuki Nakanishi
孝幸 中西
Cassidy Sami
カシディ サニ
Sugiyant
スギヤント
Alia Wibawa Agus
アリア ウィバワ アグス
Warjo Wibowo Irawan
ワルジョ ウィボウォ イラワン
Setiabudi Oko
セチアブディ オコ
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BT MULTI SPUNID JAYA
BT POLLIND URETHANE SERVICES
Astra Daihatsu Motor PT
Daihatsu Motor Co Ltd
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BT MULTI SPUNID JAYA
BT POLLIND URETHANE SERVICES
Astra Daihatsu Motor PT
Daihatsu Motor Co Ltd
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Priority to JP2011220448A priority Critical patent/JP5684687B2/en
Priority to MYPI2011005374A priority patent/MY158322A/en
Priority to CN2011104451904A priority patent/CN103029384A/en
Publication of JP2013079468A publication Critical patent/JP2013079468A/en
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  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Laminated Bodies (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide an interior material for a vehicle, which has superior antifouling properties and also can reduce an odor and stickiness.SOLUTION: An interior material for a vehicle uses a spun-bonded nonwoven fabric 3 formed of a polypropylene fiber, as a ceiling material 1. The ceiling material 1 can secure superior antifouling properties and further can suppress an odor and stickiness.

Description

本発明は、車両用内装材に関し、より詳しくは、自動車の車室の天井面などに設けられる天井材などの車両用内装材に関する。   The present invention relates to a vehicular interior material, and more particularly to a vehicular interior material such as a ceiling material provided on a ceiling surface of a vehicle cabin.

従来より、自動車の車室の天井面には、断熱性、吸音性、装飾性などを確保するため、天井材が設けられている。天井材は、具体的には、例えば、軟質ポリウレタン発泡体などを含む基材と、その基材の表面、具体的には、車室内側表面に積層される不織布とを備えている。   Conventionally, a ceiling material is provided on a ceiling surface of a passenger compartment of an automobile in order to ensure heat insulation, sound absorption, decoration, and the like. Specifically, the ceiling material includes, for example, a base material including a soft polyurethane foam and the like, and a non-woven fabric laminated on the surface of the base material, specifically, the vehicle interior side surface.

このような天井材として、具体的には、例えば、ポリプロピレン系樹脂を主成分とする基材シートと、ポリエステル系繊維やポリプロピレン系繊維などの熱可塑性繊維、および、レーヨン繊維などの熱不溶融性繊維からなるニードルパンチ不織布(表皮材)とを積層して得られる自動車内装材が、提案されている(例えば、特許文献1参照。)。   As such a ceiling material, specifically, for example, a base sheet mainly composed of a polypropylene resin, a thermoplastic fiber such as a polyester fiber or a polypropylene fiber, and a heat infusible property such as a rayon fiber An automobile interior material obtained by laminating a needle punched nonwoven fabric (skin material) made of fibers has been proposed (see, for example, Patent Document 1).

特開平9−70909号公報JP-A-9-70909

しかるに、上記した天井材において表皮材として用いられるニードルパンチ不織布は、防汚性が十分ではないため、その不織布を車室内側表面に備える天井材は、汚れを付着させやすいという不具合がある。   However, since the needle punched nonwoven fabric used as the skin material in the ceiling material described above is not sufficiently antifouling, the ceiling material provided with the nonwoven fabric on the vehicle interior side surface has a problem that it easily adheres dirt.

また、上記したような天井材は、汚れにより、強い匂いやべたつきを生じる場合があり、そのため、天井材としては、それらを抑制することが要求されている。   In addition, the ceiling material as described above may cause a strong odor or stickiness due to dirt, and as a result, the ceiling material is required to suppress them.

そこで、本発明の目的は、優れた防汚性を備えるとともに、匂いおよびべたつきを低減できる車両用内装材を提供することにある。   Accordingly, an object of the present invention is to provide a vehicle interior material that has excellent antifouling properties and can reduce odor and stickiness.

上記目的を達成するために、本発明の車両用内装材は、ポリプロピレン繊維からなるスパンボンド不織布を備えることを特徴としている。   In order to achieve the above object, the vehicle interior material of the present invention includes a spunbonded nonwoven fabric made of polypropylene fibers.

また、本発明の車両用内装材では、前記スパンボンド不織布が、表皮材であることが好適である。   In the vehicle interior material of the present invention, it is preferable that the spunbond nonwoven fabric is a skin material.

本発明の車両用内装材によれば、優れた防汚性を確保することができ、さらには、匂いやべたつきを抑制することができる。   According to the vehicle interior material of the present invention, excellent antifouling properties can be ensured, and furthermore, smell and stickiness can be suppressed.

図1は、本発明の車両用内装材の一実施形態(天井材)を示す概略構成図である。FIG. 1 is a schematic configuration diagram showing an embodiment (ceiling material) of a vehicle interior material according to the present invention. 土汚れ評価における実施例1および比較例1の天井材の不織布面を示す。The nonwoven fabric surface of the ceiling material of Example 1 and Comparative Example 1 in soil dirt evaluation is shown. コーヒー汚れ評価における実施例1および比較例1の天井材の不織布面を示す。The nonwoven fabric surface of the ceiling material of Example 1 and Comparative Example 1 in coffee dirt evaluation is shown. 擬似エンジンオイル汚れ評価における実施例1および比較例1の天井材の不織布面を示す。The nonwoven fabric surface of the ceiling material of Example 1 and Comparative Example 1 in pseudo engine oil dirt evaluation is shown. 耐久後エンジンオイル汚れ評価における実施例1および比較例1の天井材の不織布面を示す。The nonwoven fabric surface of the ceiling material of Example 1 and Comparative Example 1 in engine oil dirt evaluation after durability is shown.

本発明の車両用内装材は、ポリプロピレン繊維からなるスパンボンド不織布を備えている。   The vehicle interior material of the present invention includes a spunbonded nonwoven fabric made of polypropylene fibers.

ポリプロピレン繊維は、ポリプロピレンを主成分として含有する糸状の素材であって、プロピレン系原料樹脂から、公知の方法で紡糸することにより得ることができる。   Polypropylene fiber is a thread-like material containing polypropylene as a main component, and can be obtained by spinning from a propylene-based material resin by a known method.

プロピレン系原料樹脂としては、例えば、プロピレンの単独重合体(ポリプロピレン樹脂)、プロピレンおよびプロピレンと共重合可能な単量体との共重合体などが挙げられる。   Examples of the propylene-based material resin include a propylene homopolymer (polypropylene resin), a copolymer of propylene and a monomer copolymerizable with propylene, and the like.

共重合体において、プロピレンと共重合可能な単量体としては、例えば、α−オレフィン(プロピレンを除く)が挙げられ、具体的には、例えば、エチレン、1‐ブテン、1‐ペンテン、1‐ヘキセン、1‐オクテン、1‐デセン、3‐メチル−1‐ブテン、3‐メチル‐1‐ペンテン、3‐エチル‐1‐ペンテン、4‐メチル‐1‐ペンテン、4‐メチル‐1‐ヘキセンなど、炭素数2〜20のα‐オレフィンが挙げられる。   Examples of monomers copolymerizable with propylene in the copolymer include α-olefins (excluding propylene), and specific examples include ethylene, 1-butene, 1-pentene, 1- Hexene, 1-octene, 1-decene, 3-methyl-1-butene, 3-methyl-1-pentene, 3-ethyl-1-pentene, 4-methyl-1-pentene, 4-methyl-1-hexene, etc. And an α-olefin having 2 to 20 carbon atoms.

これらプロピレンと共重合可能な単量体は、単独使用または2種類以上併用することができる。   These monomers copolymerizable with propylene can be used alone or in combination of two or more.

プロピレンとプロピレンと共重合可能な単量体との共重合体を用いる場合、共重合体中の、プロピレンに由来する構造単位の含有量は、例えば、95モル%以上であり、プロピレンと共重合可能な単量体に由来する構造単位の含有量は、例えば、5モル%以下である。   When a copolymer of propylene and a monomer copolymerizable with propylene is used, the content of the structural unit derived from propylene in the copolymer is, for example, 95 mol% or more, and copolymerized with propylene The content of structural units derived from possible monomers is, for example, 5 mol% or less.

これらプロピレン系原料樹脂は、単独使用または2種類以上併用することができる。   These propylene-based raw resins can be used alone or in combination of two or more.

また、プロピレン系原料樹脂には、本発明の効果を損なわない範囲において、その他の重合体や、防錆剤(防錆顔料)、酸化防止剤、紫外線吸収剤、光安定剤、シランカップリング剤、エポキシ樹脂、触媒、塗工性改良剤、レベリング剤、核剤、滑剤、離型剤、消泡剤、可塑剤、界面活性剤、顔料、染料、有機または無機微粒子、防黴剤、難燃剤、充填剤などの添加剤を、適宜配合することができる。なお、添加剤の配合割合は、目的および用途に応じて、適宜設定される。   In addition, the propylene-based raw material resin includes other polymers, rust preventives (rust preventive pigments), antioxidants, ultraviolet absorbers, light stabilizers, and silane coupling agents as long as the effects of the present invention are not impaired. , Epoxy resin, catalyst, coatability improver, leveling agent, nucleating agent, lubricant, mold release agent, antifoaming agent, plasticizer, surfactant, pigment, dye, organic or inorganic fine particles, antifungal agent, flame retardant Additives such as fillers can be blended as appropriate. In addition, the mixture ratio of an additive is suitably set according to the objective and use.

そして、例えば、上記のプロピレン系原料樹脂を、公知の紡糸口金より溶融押出成形することにより、ポリプロピレン繊維を得ることができる。   Then, for example, polypropylene fibers can be obtained by melt-extrusion of the above propylene-based raw resin from a known spinneret.

なお、このような方法において、紡糸口金の形状や口径、溶融押出成形における成形条件などは、用いられる原料樹脂の種類などに応じて、適宜設定される。   In such a method, the shape and diameter of the spinneret, the molding conditions in the melt extrusion molding, and the like are appropriately set according to the type of raw material resin used.

ポリプロピレン繊維の繊度は、例えば、0.5〜7デニール、好ましくは、0.5〜5デニールである。   The fineness of the polypropylene fiber is, for example, 0.5 to 7 denier, preferably 0.5 to 5 denier.

また、ポリプロピレン繊維のメルトフローレート(MFR)は、例えば、20〜80g/10分、好ましくは、25〜60g/10分である。   Moreover, the melt flow rate (MFR) of a polypropylene fiber is 20-80 g / 10min, for example, Preferably, it is 25-60 g / 10min.

そして、スパンボンド不織布は、上記のポリプロピレン繊維を、スパンボンド法によって熱圧着することにより、得ることができる。   And a spunbonded nonwoven fabric can be obtained by thermocompression-bonding said polypropylene fiber by a spunbond method.

具体的には、まず、上記のポリプロピレン繊維を、エアーサッカーの高速空気流などによって、牽引延伸する。次いで、延伸されたポリプロピレン繊維を、必要により、揺動機構や帯電装置を備える開繊装置などを用いて分散させた後、捕集コンベア上に堆積させることにより、シート状の長繊維ウェブを形成する。その後、例えば、熱圧着ロールなどを用いて、長繊維ウェブを熱圧着させる。   Specifically, first, the polypropylene fiber is pulled and drawn by a high-speed air stream of air soccer. Next, the drawn polypropylene fibers are dispersed using a fiber opening device equipped with a swing mechanism or a charging device, if necessary, and then deposited on a collecting conveyor to form a sheet-like long fiber web. To do. Thereafter, the long fiber web is thermocompression bonded using, for example, a thermocompression roll.

熱圧着条件としては、加熱温度が、例えば、130〜175℃、好ましくは、140〜170℃であり、加圧圧力が、例えば、30〜120kN/m、好ましくは、50〜100kN/mである。   As the thermocompression bonding conditions, the heating temperature is, for example, 130 to 175 ° C., preferably 140 to 170 ° C., and the pressurizing pressure is, for example, 30 to 120 kN / m, preferably 50 to 100 kN / m. .

これにより、ポリプロピレン繊維からなるスパンボンド不織布を得ることができる。   Thereby, the spun bond nonwoven fabric which consists of polypropylene fibers can be obtained.

スパンボンド不織布の厚みは、例えば、0.1〜0.8mm、好ましくは、0.3〜0.6mmである。   The thickness of the spunbonded nonwoven fabric is, for example, 0.1 to 0.8 mm, preferably 0.3 to 0.6 mm.

スパンボンド不織布の厚みが上記範囲であれば、優れた外観を確保することができる。   If the thickness of the spunbonded nonwoven fabric is in the above range, an excellent appearance can be secured.

また、スパンボンド不織布の目付は、例えば、5〜200g/m、好ましくは、30〜150g/mである。 The basis weight of the spunbonded nonwoven fabric is, for example, 5 to 200 g / m 2 , preferably 30 to 150 g / m 2 .

スパンボンド不織布の目付が上記範囲であれば、優れた強度を確保することができる。   When the basis weight of the spunbonded nonwoven fabric is in the above range, excellent strength can be ensured.

車両用内装材は、このようなスパンボンド不織布を備えていればよく、公知の構成とすることができる。   The vehicle interior material only needs to be provided with such a spunbonded nonwoven fabric and can have a known configuration.

図1は、本発明の車両用内装材の一実施形態(天井材)を示す概略構成図である。   FIG. 1 is a schematic configuration diagram showing an embodiment (ceiling material) of a vehicle interior material according to the present invention.

図1において、天井材1は、基材2と、基材2に積層される表皮材としてのスパンボンド不織布3とを備えている。   In FIG. 1, a ceiling material 1 includes a base material 2 and a spunbond nonwoven fabric 3 as a skin material laminated on the base material 2.

基材2は、発泡体層4を備えている。発泡体層4は、特に制限されず、例えば、ポリウレタン発泡体、ポリフェニレンエーテル発泡体、ポリスチレン発泡体などの公知の発泡体から形成される。発泡体層4の厚みは、例えば、1〜20mm、好ましくは、3〜10mmである。   The substrate 2 includes a foam layer 4. The foam layer 4 is not particularly limited, and is formed from a known foam such as a polyurethane foam, a polyphenylene ether foam, or a polystyrene foam. The thickness of the foam layer 4 is, for example, 1 to 20 mm, preferably 3 to 10 mm.

また、基材2は、図示しないが、必要により、発泡体層4の表面および/または裏面にスキン層や、例えば、防音シート、消臭シートなどを備えることもできる。   Moreover, although not shown in figure, the base material 2 can also be equipped with the skin layer, for example, a soundproof sheet, a deodorizing sheet, etc. on the surface and / or back surface of the foam layer 4 as needed.

また、スパンボンド不織布3は、基材2の一方側面、具体的には、天井材1を所定の空間(例えば、自動車の車室など)において用いたときに、その空間内に臨む側の表面に、積層されている。スパンボンド不織布3の厚みは、上記したように、例えば、0.1〜0.8mm、好ましくは、0.3〜0.6mmである。   Further, the spunbond nonwoven fabric 3 has a surface on one side of the base material 2, specifically, the side facing the space when the ceiling material 1 is used in a predetermined space (for example, an automobile cabin). Are stacked. The thickness of the spunbond nonwoven fabric 3 is, for example, 0.1 to 0.8 mm, preferably 0.3 to 0.6 mm, as described above.

このような基材2にスパンボンド不織布3を積層する方法としては、特に制限されないが、例えば、公知の接着剤を介して、基材2の表面にスパンボンド不織布3を貼着させることができる。   The method for laminating the spunbond nonwoven fabric 3 on the base material 2 is not particularly limited, but for example, the spunbond nonwoven fabric 3 can be adhered to the surface of the base material 2 via a known adhesive. .

そして、このようにして得られる天井材1は、その表面にポリプロピレン繊維からなるスパンボンド不織布3を備えるので、優れた防汚性を確保することができ、さらには、匂いやべたつきを抑制することができる。   And since the ceiling material 1 obtained in this way is equipped with the spunbond nonwoven fabric 3 which consists of polypropylene fibers on the surface, it can ensure the outstanding antifouling property, and also suppresses an odor and stickiness. Can do.

また、天井材1の表面に、例えば、ニードルパンチ不織布が用いられる場合には、その表面が摩擦、衝突されることによって外観不良を生じる場合があるが、この天井材1では、表面に上記したスパンボンド不織布3を備えるので、表面が摩耗、衝突される場合にも、優れた外観を維持することができる。   Further, for example, when a needle punched nonwoven fabric is used on the surface of the ceiling material 1, the surface of the ceiling material 1 may cause a poor appearance due to friction and collision. Since the spunbond nonwoven fabric 3 is provided, an excellent appearance can be maintained even when the surface is worn and collided.

なお、上記した説明では、車両用内装材として天井材を例示したが、本発明の車両用内装材としては天井材に限定されず、例えば、ドアトリムやピラートリムなどの内装材として、好適に用いられる。   In the above description, the ceiling material is exemplified as the vehicle interior material. However, the vehicle interior material of the present invention is not limited to the ceiling material, and is preferably used as an interior material such as a door trim or a pillar trim. .

次に、本発明を実施例および比較例に基づいて説明するが、本発明は下記の実施例によって限定されるものではない。   Next, although this invention is demonstrated based on an Example and a comparative example, this invention is not limited by the following Example.

(実施例1)
目付け100g/m、厚み0.5mmのポリプロピレン繊維からなるスパンボンド不織布と、ウレタン発泡層8mmとに、接着剤を塗布し、それらを圧着して貼り付けることにより、スパンボンド不織布表皮を備える天井材を得た。
Example 1
A ceiling provided with a spunbond nonwoven fabric skin by applying an adhesive to a spunbonded nonwoven fabric made of polypropylene fiber having a basis weight of 100 g / m 2 and a thickness of 0.5 mm and a urethane foam layer of 8 mm, and then bonding them by pressure bonding. The material was obtained.

(比較例1)
目付け150g/m、厚み1mmのポリエチレンテレフタレート繊維からなるニードルパンチと、ウレタン発泡層8mmとに、接着剤を塗布し、それらを圧着にて貼り付けることにより、ニードルパンチ不織布表皮を備える天井材を得た。
(Comparative Example 1)
Applying an adhesive to a needle punch made of polyethylene terephthalate fiber having a basis weight of 150 g / m 2 and a thickness of 1 mm and a urethane foam layer of 8 mm, and attaching them by pressure bonding, a ceiling material provided with a needle punched nonwoven fabric skin Obtained.

(評価)
実施例1および比較例1において得られた天井材を、下記の通り汚染させ、その防汚性を評価した。
<土汚れ>
各天井材の不織布面に土を接触させた後、土を手で払い、目視によりその汚れを確認した。実施例1および比較例1の天井材を図2に示す。
<コーヒー汚れ>
コーヒー(液状飲料)を各天井材の不織布面に滴下した後、15分放置した。その後、各天井材の不織布面上のコーヒーを除去し、その汚れを目視により確認した。実施例1および比較例1の天井材を図3に示す。
<擬似エンジンオイル汚れ>
擬似エンジンオイル(成分:石油系炭化水素および潤滑油添加剤)を調製し、各天井材の不織布面に滴下した後、15分放置した。その後、各天井材の不織布面上の擬似エンジンオイルを除去し、その汚れを目視により確認した。実施例1および比較例1の天井材を図4に示す。
<耐久後エンジンオイル汚れ>
排気量660CC・L型3気筒エンジンの車両(最大1万km走行)から回収したエンジンオイルを採取し、各天井材の不織布面に滴下した後、15分放置した。その後、各天井材上のエンジンオイルを除去し、その汚れを目視により確認した。実施例1および比較例1の天井材を図5に示す。
(考察)
図2〜5に示すように、実施例1の天井材は、比較例1の天井材に比べ、防汚性に優れていた。
(Evaluation)
The ceiling materials obtained in Example 1 and Comparative Example 1 were contaminated as follows, and their antifouling properties were evaluated.
<Soil dirt>
After making soil contact with the nonwoven fabric surface of each ceiling material, the soil was wiped by hand and the dirt was visually confirmed. The ceiling material of Example 1 and Comparative Example 1 is shown in FIG.
<Coffee stain>
Coffee (liquid beverage) was dropped on the nonwoven fabric surface of each ceiling material, and allowed to stand for 15 minutes. Thereafter, the coffee on the nonwoven fabric surface of each ceiling material was removed, and the stain was visually confirmed. The ceiling material of Example 1 and Comparative Example 1 is shown in FIG.
<Pseudo engine oil stain>
Pseudo engine oil (components: petroleum hydrocarbon and lubricating oil additive) was prepared, dropped on the nonwoven fabric surface of each ceiling material, and allowed to stand for 15 minutes. Then, the pseudo engine oil on the nonwoven fabric surface of each ceiling material was removed, and the dirt was visually confirmed. The ceiling material of Example 1 and Comparative Example 1 is shown in FIG.
<Stained engine oil after durability>
The engine oil collected from a vehicle with a displacement of 660 CC · L type 3 cylinder engine (running up to 10,000 km) was collected, dropped on the nonwoven fabric surface of each ceiling material, and left for 15 minutes. Thereafter, the engine oil on each ceiling material was removed, and the dirt was visually confirmed. The ceiling material of Example 1 and Comparative Example 1 is shown in FIG.
(Discussion)
As shown in FIGS. 2 to 5, the ceiling material of Example 1 was superior to the ceiling material of Comparative Example 1 in antifouling properties.

また、コーヒー、擬似エンジンオイルおよび耐久後エンジンオイルで汚染した後の各天井材の不織布面の臭気を確認したところ、比較例1の天井材の不織布面は、実施例1の天井材の不織布面に比べ、強い臭気を生じていた。   Moreover, when the smell of the nonwoven fabric surface of each ceiling material after being contaminated with coffee, simulated engine oil, and engine oil after durability was confirmed, the nonwoven fabric surface of the ceiling material of Comparative Example 1 was the nonwoven fabric surface of the ceiling material of Example 1. Compared with, strong odor was produced.

また、擬似エンジンオイルおよび耐久後エンジンオイルで汚染した後の各天井材の不織布面のべたつきを確認したところ、比較例1の天井材の不織布面は、実施例1の天井材の不織布面に比べ、強いタック性を生じていた。   Moreover, when the stickiness of the nonwoven fabric surface of each ceiling material after being contaminated with the pseudo engine oil and the engine oil after durability was confirmed, the nonwoven fabric surface of the ceiling material of Comparative Example 1 was compared with the nonwoven fabric surface of the ceiling material of Example 1. This produced strong tackiness.

1 天井材
2 基材
3 スパンボンド不織布
1 Ceiling material 2 Base material 3 Spunbond nonwoven fabric

Claims (2)

ポリプロピレン繊維からなるスパンボンド不織布を備えることを特徴とする、車両用内装材。   A vehicle interior material comprising a spunbond nonwoven fabric made of polypropylene fiber. 前記スパンボンド不織布が、表皮材であることを特徴とする、請求項1に記載の車両用内装材。   The vehicle interior material according to claim 1, wherein the spunbonded nonwoven fabric is a skin material.
JP2011220448A 2011-10-04 2011-10-04 Ceiling material Expired - Fee Related JP5684687B2 (en)

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JP2011220448A JP5684687B2 (en) 2011-10-04 2011-10-04 Ceiling material
MYPI2011005374A MY158322A (en) 2011-10-04 2011-11-08 Interior material for vehicles
CN2011104451904A CN103029384A (en) 2011-10-04 2011-12-28 Interior trimming material for vehicle

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CN110682640A (en) * 2019-10-31 2020-01-14 江苏金荣泰新材料科技有限公司 Flame-retardant nonwoven fabric

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