WO2009090955A1 - Material for interior automotive trims - Google Patents
Material for interior automotive trims Download PDFInfo
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- WO2009090955A1 WO2009090955A1 PCT/JP2009/050377 JP2009050377W WO2009090955A1 WO 2009090955 A1 WO2009090955 A1 WO 2009090955A1 JP 2009050377 W JP2009050377 W JP 2009050377W WO 2009090955 A1 WO2009090955 A1 WO 2009090955A1
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- WIPO (PCT)
- Prior art keywords
- volatile organic
- skin material
- organic substance
- skin
- scavenger
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
- B60R2013/0287—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners integrating other functions or accessories
Definitions
- the present invention relates to an automotive interior material that is excellent in trapping performance of volatile organic substances such as aldehydes, does not impair the design of the skin material, and has no toxicity to the human body.
- water-based acrylic copolymer emulsions and water-based latexes are often used as binders for non-woven fibers used in automobile interior materials such as sheets, floors and trunks.
- a heat-crosslinkable binder obtained by copolymerizing a functional copolymerization monomer such as N-methylolacrylamide is often used as a method for crosslinking the binder resin in order to increase the hardness, heat resistance and durability of the molded body.
- Nonwoven fabrics using this heat-crosslinkable binder have improved mechanical properties such as tensile strength, elongation, tear strength, and hardness, as well as improved practical durability such as dimensional stability, water resistance, chemical resistance, and heat resistance.
- the condensation reaction of the methylol group proceeds when the sheet coated on the fiber is dried and when the polyethylene laminated process is performed on the coated nonwoven fabric surface in the next step.
- formaldehyde is generated due to the reaction mechanism, and most of the formaldehyde generated during such processing is volatilized out of the system during the drying and heating process, but it is difficult to completely remove it from the non-woven fiber material. It remains and evaporates in the car compartment over time, deteriorating the environment for the human body.
- non-woven fabric is bonded as a skin material to a base material such as PP / glass mat, cotton felt, corrugated cardboard, urethane cured foam, etc., and used as a laminated molded body.
- the roof material is a part that is most susceptible to the temperature in summer as a material in a part of an automobile, and heat-resistant deformation is required as a required performance of the laminate.
- a thermosetting resin type binder is often used from the viewpoint of heat resistance, high rigidity, moldability, and the like.
- thermosetting powder or thermosetting aqueous solution is mixed in an aqueous dispersion of a thermoplastic resin such as an aqueous solution type such as phenol resin or melamine resin, powder type, acrylic resin emulsion or latex.
- a thermoplastic resin such as an aqueous solution type such as phenol resin or melamine resin, powder type, acrylic resin emulsion or latex.
- thermosetting resin binders The molding of the roof material using these thermosetting resin binders is the same as the interior material described above, by impregnating and applying each binder to each structure and drying, or in the case of a powder form binder, it is uniformly applied to the fiber. After the dispersion, a fiber molded body is obtained by thermoforming.
- the non-woven fabric of the skin material is laminated at the same time with a hot melt resin powder, a hot melt film, a hot melt web, or the like at the time of thermoforming the sheet, or is laminated with an adhesive after molding to form a laminate.
- Formalin-based polycondensates are used in many of these thermosetting resin binder phenolic resin compositions and melamine resin compositions. Although these resins cause a condensation reaction by heating to produce a three-dimensional cross-linking between molecules to obtain a strong molded body, the generation of formaldehyde is not small. In recent years, various companies have taken measures to reduce formaldehyde emission from molded parts by reducing the generation amount as a low formaldehyde type or using various formalin catchers, but they have not been completely removed.
- binder resins that are currently used for automobile fiber interior materials can volatilize formaldehyde, which is toxic to the human body. For this reason, studies are being made to eliminate the volatilization of organic substances such as formaldehyde in the binder resin.
- Patent Document 1 discloses a decorative sheet having a formaldehyde scavenging function, in which a formaldehyde scavenger is contained in one or both of a base sheet and a decorative layer in a decorative sheet composed of a base sheet and a decorative layer. It is disclosed.
- amides such as dicyandiamide and urea, ethylene urea, propylene urea, 5-hydroxypropylene urea, 5-methoxypropylene urea, 5-methylpropylene urea, parabanic acid (glyoxal monourein) are disclosed.
- Organic amino compounds such as cyclic alkylene ureas such as 4,5-dimethoxyethylene urea, acid imides and amines are specifically exemplified.
- Patent Document 2 listed below is a sheet-like material for the purpose of capturing and removing formaldehyde released from building materials into indoor air such as buildings, and preventing unpleasant odors and adverse health effects.
- the substrate is provided with a pattern printing layer and one or more resin layers, and at least one of the one or two or more resin layers, particularly at least the uppermost layer.
- a decorative sheet is disclosed in which a formaldehyde scavenger is contained in a resin layer.
- Patent Document 2 discloses, as formaldehyde scavengers, amino compounds such as dicyandiamide and melamine, amides such as urea, barbituric acid and semicarbazide hydrochloride, and nitrogen-containing compounds such as amino acids such as glutamate, glycine and alanine. Is specifically illustrated.
- Patent Document 1 and Patent Document 2 react with formaldehyde and the product does not dissociate formaldehyde, it has a certain effect as a formaldehyde scavenger.
- the skin material When used as a skin material, the skin material may be colored or discolored, and the design of the original skin material may be impaired.
- adsorbents of aldehydes have been imparted to fiber products and plastic products by kneading, coating, dipping, etc., but since each adsorbent has a large particle size and is opaque, It can be applied only to a portion of the back side of the skin material that does not impair the appearance quality, and it can be used only in a limited color.
- the unavoidable application on the back side means that unidirectional volatile organic substances that can be generated and diffused can be adsorbed, but volatile organic substances that diffuse in the room cannot be captured. Indicates that there is.
- an object of the present invention is to provide an automotive interior material that is excellent in capturing performance of volatile organic substances such as aldehydes, does not impair the design of the skin material, and does not have toxicity to the human body.
- VOC catcher volatile organic substance scavenger
- the present invention is an invention of an automobile interior material comprising at least a base material and a skin material, and includes a volatile organic substance scavenger on the surface and / or the back surface of the skin material, and the volatile organic material.
- the scavenger is an aminosilane reaction product of silicon dioxide having an average particle diameter of 1 to 200 nm.
- aminosilane is a general formula: Y n SiX (4-n) (wherein X is an alkoxy group, acetyl group or halogen, and Y is an amino group or an alkyl group substituted by at least one amino group And n is an integer from 1 to 3.
- X is an alkoxy group
- X is particularly preferably a methoxy group, an ethoxy group, a propoxy group, or a butoxy group.
- Y is an alkyl group substituted with at least one amino group
- Y is particularly preferably an aminomethyl group, an aminoethyl group, an aminopropyl group, or an aminobutyl group.
- the volatile organic substance scavenger used in the present invention has an extremely small average particle size of nano-order and ensures transparency. In this respect, the conventional volatile organic substance scavenger having a large average particle diameter is superior to the emulsion.
- the volatile organic substance scavenger used in the present invention supplements volatile organic substances such as aldehydes such as formaldehyde and acetaldehyde, and volatile organic compounds (VOC) such as trichloroethylene, tetrachloroethylene, toluene, benzene and xylene. Can do.
- aldehydes such as formaldehyde and acetaldehyde
- VOC volatile organic compounds
- the automotive interior material of the present invention is basically a laminated structure comprising a base material and a skin material, and, if desired, a spacer, a non-woven fabric on the back surface, a ventilation prevention film, a glass mat and the like.
- a skin material a well-known nonwoven fabric is preferably illustrated as a skin material of the conventional interior material for motor vehicles.
- a volatile organic substance scavenger is applied, spread and impregnated on the surface and / or back surface of the skin material by various methods.
- a resin emulsion containing a volatile organic substance scavenger is attached to the skin material by foam coating
- the volatile organic substance scavenger is attached to the surface and / or back surface of the nonwoven fabric without crushing the mesh of the nonwoven fabric. It is preferable because the design properties such as the original color, texture, and touch of the nonwoven fabric are not impaired.
- the automobile part to which the automobile interior material of the present invention is applied is not limited, it is particularly preferable that the automobile part is mounted as a roof material on a ceiling part that is exposed to high temperatures and is likely to volatilize volatile organic substances.
- Transparency of the skin material is ensured by including an aminosilane reaction product of silicon dioxide having an average particle diameter of 1 to 200 nm as a volatile organic substance scavenger on the surface and / or back surface of the skin material of automobile interior materials.
- the design properties are not impaired, and volatile organic substances such as aldehydes can be efficiently removed and reduced.
- the interior of the automobile interior material In addition to capturing volatile organic substances emitted from the vehicle, volatile organic substances emitted from other parts in the automobile interior can be captured.
- the ceiling skin has a relatively large area even in a car.
- the aminosilane reaction product of silicon dioxide having an average particle diameter of 1 to 200 nm used as a volatile organic substance scavenger in the present invention has been confirmed to have low oral toxicity and skin irritation, and can come into contact with humans. Even if it exists on the inner surface of a car, it has excellent safety.
- the product part of the automobile interior material of the present invention is not particularly limited, and examples thereof include pillar trim, door trim, instrument panel, meter hood, console, ceiling material, and the like.
- the interior material for motor vehicles functions also as a buffer material for motor vehicles by using a buffering raw material for a base material or a skin material.
- FIG. 1 shows an example of a cross-sectional structure of a roof material (ceiling material) among automotive interior materials.
- a non-woven fabric 3 From the outside of the vehicle to the inside of the room, a non-woven fabric 3, a ventilation prevention film 4, a glass mat 5, a base material 6 such as a hard urethane layer, a glass mat 7, and a skin material 9 such as a non-woven fabric through a spacer 2 on a car roof 1 are stacked.
- the surface material 10 and / or the back surface 8 of the skin material 9 contains a volatile organic substance scavenger.
- the skin material 9, the skin material surface 10, and the skin material back surface 8 are combined to form the entire skin material 11.
- aldehydes generated from the inside of the roof are captured by the skin material before diffusing from the inside of the roof to the indoor side.
- volatile organic substances such as aldehydes generated from other parts in the room are efficiently captured by the skin material.
- Volatile organic substance scavenger used in the present invention is an aminosilane reaction product of silicon dioxide having an average particle diameter of 1 to 200 nm and has a slightly white transparent appearance.
- Base material As the base material of the interior material for automobiles, a material formed of a synthetic resin in a shape corresponding to a product part is used.
- the type of synthetic resin is not particularly limited. Preferred examples include polyethylene, polypropylene, polyester, polystyrene, polyethylene terephthalate (PET), polyvinyl chloride, nylon, polyurethane and the like.
- the synthetic resin may be close to a rigid body or may have a buffering property. Examples of the synthetic resin having a buffering property include foamed synthetic resins and solid synthetic resins having rubbery elasticity.
- the substrate may be a single layer structure or a multi-layer (laminated) structure. Although it does not specifically limit as a formation method of a base material, Injection molding, injection press molding, RIM molding, blow molding, stamping molding, slush molding, vacuum molding, etc. can be illustrated preferably.
- the flexible material used for the skin material of the automobile interior material is not particularly limited. Preferred examples include woven fabric, non-woven fabric, brushed fabric, flocked fabric, synthetic resin sheet, rubber sheet, leather, paper and the like. Further, the skin material may have a single layer structure or a multi-layer (laminated) structure. In the latter case, the same kind of materials may be laminated or different kinds of materials may be laminated. Moreover, you may use a buffering material and a soundproof material for the layer if it is a single layer structure, and for any layer if it is a plurality of layers.
- gum which is solid but has rubber-like elasticity are illustrated.
- seat illustrated as the said buffering material functions also as a soundproof material, and a nonwoven fabric etc. are illustrated other than that.
- the application process of the automotive interior material of the present invention is roughly as follows.
- roofing skin material Coating, drying and fixing of volatile organic substance scavenger on the surface of roofing skin material (3) Roof base material such as thermoplastic base material and thermosetting base material Molding and bonding together with the above roofing skin material (4) Assembly to the body
- a coating agent was prepared according to the following composition.
- Acrylic emulsion (Mitsui Special Chemical Co., Ltd., TTC07, solid content 50%): 50 parts Volatile organic substance scavenger (Nikka Chemical Co., Ltd., KIRAKURU AL-00GT, solid content 20%): 7.5 parts Water: 42.5 parts
- foaming was performed by blowing air, and the surface side (inside the room) of the roofing skin material was uniformly foam-coated so that the solid content was 20 g / m 2 .
- This sample was pre-dried on a hot cylinder at 40 ° C. and then heated in a drying furnace at 150 ° C. for 55 seconds.
- the volatile organic substance scavenger used in the present invention is an aminosilane reaction product of silicon dioxide having an average particle diameter of 1 to 200 nm, is transparent, has oral toxicity of LD50> 200 mg / kg, and skin irritation has P .
- a cut sample to which no volatile organic substance scavenger is added a cut sample in which volatile organic substance scavenger is 1.9% foam-coated on the surface of the skin material, and a volatile organic substance scavenger to the skin material.
- a cut sample with 0.7% foam coating on the surface and a cut sample with 2.5% foam coating on the surface of the skin material with a volatile organic substance scavenger were prepared, and the aldehyde adsorption performance was evaluated by the following test procedure.
- volatile organic substances in automobiles are efficiently reduced, which is useful for health.
Abstract
The invention provides a material for interior automotive trims which is excellent in the ability to capture volatile organic substances such as aldehydes and does not impair the design of a surface layer and which is non-toxic to the human body. A material for interior automotive trims which comprises as the essentials a substrate (6) and a surface layer (9), characterized in that an agent capable of capturing volatile organic substance is contained in the face (10) and/or the back (8) of the surface layer (9) and that the agent is a product of reaction of silicon dioxide having a mean particle diameter of 1 to 200nm with an aminosilane.
Description
本発明は、アルデヒド類などの揮発性有機物質の捕捉性能に優れ、表皮材の意匠性を損なわず、且つ人体に対する毒性を有しない自動車用内装材に関する。
The present invention relates to an automotive interior material that is excellent in trapping performance of volatile organic substances such as aldehydes, does not impair the design of the skin material, and has no toxicity to the human body.
近年、自動車内部において、室内の構成材から、人体に悪影響を及ぼす恐れのある物質である残留モノマー、ホルムアルデヒド、有機溶剤、可塑剤、環境ホルモン物質、その他揮発性物質などの揮散性物質が発生することが問題となっており、その除外方法の開発が検討されている。
In recent years, volatile substances such as residual monomers, formaldehyde, organic solvents, plasticizers, environmental hormone substances, and other volatile substances, which are substances that may adversely affect the human body, are generated from automobile interior components. This is a problem, and the development of an exclusion method is being considered.
例えば、自動車内装材のシート、フロアー、トランク部位などに使用されている不織布繊維のバインダーとして水系アクリル共重合体エマルジョンや水系ラテックスが多く用いられている。この場合に成形体の硬さ、耐熱、耐久性を上げるためのバインダー樹脂の架橋手法として、Ｎ－メチロールアクリルアミド等の官能性共重合モノマーを共重合させた熱架橋性のバインダーがよく用いられる。この熱架橋性バインダーを使用した不織布は引張り強度、伸び、引き裂き強度、硬さなどの機械的特性が向上すると共に寸法安定性、耐水性、耐薬品性、耐熱性などの実用耐久性が改善される。
For example, water-based acrylic copolymer emulsions and water-based latexes are often used as binders for non-woven fibers used in automobile interior materials such as sheets, floors and trunks. In this case, a heat-crosslinkable binder obtained by copolymerizing a functional copolymerization monomer such as N-methylolacrylamide is often used as a method for crosslinking the binder resin in order to increase the hardness, heat resistance and durability of the molded body. Nonwoven fabrics using this heat-crosslinkable binder have improved mechanical properties such as tensile strength, elongation, tear strength, and hardness, as well as improved practical durability such as dimensional stability, water resistance, chemical resistance, and heat resistance. The
しかしこのメチロール基の縮合反応を利用する場合には、繊維に塗布されたシートを乾燥する時の加熱工程、及び次工程の塗布不織布面にポリエチレンラミネート加工する時に縮合反応が進行する。縮合反応が進行すると同時に反応機構上ホルムアルデヒドが発生し、こうした加工時に発生したホルムアルデヒドは乾燥・加熱工程で殆どが系外に揮散するが、完全に不織布繊維材から除去することは難しく、製品中に残存して時間の経過とともに自動車室内に揮散して人体への環境を悪化させる。
However, when the condensation reaction of the methylol group is used, the condensation reaction proceeds when the sheet coated on the fiber is dried and when the polyethylene laminated process is performed on the coated nonwoven fabric surface in the next step. At the same time as the condensation reaction proceeds, formaldehyde is generated due to the reaction mechanism, and most of the formaldehyde generated during such processing is volatilized out of the system during the drying and heating process, but it is difficult to completely remove it from the non-woven fiber material. It remains and evaporates in the car compartment over time, deteriorating the environment for the human body.
また、自動車内装材の天井部位ではＰＰ／ガラスマット、綿フェルト、ダンボール、ウレタン硬化フォーム、などの基材に不織布を表皮材として貼り合わせて積層成型体として使用されている。ルーフ材は自動車の部位では材料として最も夏場の温度の影響を受けやすい部位であり、積層体の要求性能として耐熱変形性が要求される。これら構造体の成形には耐熱性、高剛性、成形性などの観点から熱硬化樹脂タイプのバインダーが多く用いられる。熱硬化樹脂のバインダーとしてはフェノール樹脂、メラミン樹脂などの水溶液タイプ、粉末タイプ、あるいは、アクリル樹脂エマルジョン、ラテックス等、熱可塑樹脂の水性分散体の中に前記の熱硬化パウダーあるいは熱硬化水溶液を混合した系などが多く用いられる。
Also, at the ceiling part of automobile interior materials, non-woven fabric is bonded as a skin material to a base material such as PP / glass mat, cotton felt, corrugated cardboard, urethane cured foam, etc., and used as a laminated molded body. The roof material is a part that is most susceptible to the temperature in summer as a material in a part of an automobile, and heat-resistant deformation is required as a required performance of the laminate. For the molding of these structures, a thermosetting resin type binder is often used from the viewpoint of heat resistance, high rigidity, moldability, and the like. As a binder for thermosetting resin, the above thermosetting powder or thermosetting aqueous solution is mixed in an aqueous dispersion of a thermoplastic resin such as an aqueous solution type such as phenol resin or melamine resin, powder type, acrylic resin emulsion or latex. Are often used.
これら熱硬化樹脂バインダーを使用するルーフ材の成形も前記内装材同様、それぞれの構造体にそれぞれのバインダーを含浸塗布させ乾燥して成形したり、パウダーの形態のバインダーの場合には繊維に均一に分散させた後、熱成形することで繊維成形体を得る。表皮材の不織布はシートの熱成形時に熱溶融樹脂パウダー、ホットメルトフィルム、ホットメルトウエブ等にて同時に張り合わされるかまたは成形後接着剤で貼り合わされて積層体となる。
The molding of the roof material using these thermosetting resin binders is the same as the interior material described above, by impregnating and applying each binder to each structure and drying, or in the case of a powder form binder, it is uniformly applied to the fiber. After the dispersion, a fiber molded body is obtained by thermoforming. The non-woven fabric of the skin material is laminated at the same time with a hot melt resin powder, a hot melt film, a hot melt web, or the like at the time of thermoforming the sheet, or is laminated with an adhesive after molding to form a laminate.
これら熱硬化樹脂バインダーのフェノール樹脂組成物やメラミン樹脂組成物の多くには、ホルマリン系重縮合物が使用されている。これらの樹脂は加熱により縮合反応を起こさせることによって、分子間で３次元架橋を生じさせて強固な成形体を得るものであるが、ホルムアルデヒドの発生が少なからずともある。近年各社から低ホルムアルデヒドタイプとして発生量を低減したものや、各種ホルマリンキャッチャー剤の使用などで成形部材からのホルムアルデヒドの放出を低減するよう対策が施されているが、完全な除去はできていない。
Formalin-based polycondensates are used in many of these thermosetting resin binder phenolic resin compositions and melamine resin compositions. Although these resins cause a condensation reaction by heating to produce a three-dimensional cross-linking between molecules to obtain a strong molded body, the generation of formaldehyde is not small. In recent years, various companies have taken measures to reduce formaldehyde emission from molded parts by reducing the generation amount as a low formaldehyde type or using various formalin catchers, but they have not been completely removed.
このように、現在自動車繊維内装材の部材に使用しているバインダー樹脂には、人体に有毒であるホルムアルデヒドを揮散するものが少なからずとも見受けられる。このため、バインダー樹脂のホルムアルデヒドなどの有機物質の揮散をなくす検討が進められている。
Thus, at least a few binder resins that are currently used for automobile fiber interior materials can volatilize formaldehyde, which is toxic to the human body. For this reason, studies are being made to eliminate the volatilization of organic substances such as formaldehyde in the binder resin.
例えば、下記特許文献１には、基材シートと装飾層からなる化粧シートにおいて、基材シートと装飾層のいずれか一方又は両方にホルムアルデヒド捕捉剤を含有させた、ホルムアルデヒド捕捉機能を有する化粧シートが開示されている。
For example, Patent Document 1 below discloses a decorative sheet having a formaldehyde scavenging function, in which a formaldehyde scavenger is contained in one or both of a base sheet and a decorative layer in a decorative sheet composed of a base sheet and a decorative layer. It is disclosed.
特許文献１には、ホルムアルデヒド捕捉剤として、ジシアンジアミド、尿素などのアミド類、エチレン尿素、プロピレン尿素、５－ヒドロキシプロピレン尿素、５－メトキシプロピレン尿素、５－メチルプロピレン尿素、パラバン酸（グリオキザールモノウレイン）、４，５－ジメトキシエチレン尿素等の環状アルキレン尿素、酸イミド類、アミン類などの有機アミノ化合物が具体的に例示されている。
In Patent Document 1, as formaldehyde scavengers, amides such as dicyandiamide and urea, ethylene urea, propylene urea, 5-hydroxypropylene urea, 5-methoxypropylene urea, 5-methylpropylene urea, parabanic acid (glyoxal monourein) are disclosed. ), Organic amino compounds such as cyclic alkylene ureas such as 4,5-dimethoxyethylene urea, acid imides and amines are specifically exemplified.
又、下記特許文献２には、建築材料等から建築物等の室内の空気中に放出されたホルムアルデヒドを捕捉除去し、不快臭や健康への悪影響等を防止することを目的として、シート状の基材に、絵柄印刷層と、１層または２層以上の樹脂層とを施してなり、前記１層または２層以上の樹脂層のうち、少なくとも１層の樹脂層、特に、少なくとも最上層の樹脂層に、ホルムアルデヒド捕捉剤が含有されてなる化粧シートが開示されている。
Patent Document 2 listed below is a sheet-like material for the purpose of capturing and removing formaldehyde released from building materials into indoor air such as buildings, and preventing unpleasant odors and adverse health effects. The substrate is provided with a pattern printing layer and one or more resin layers, and at least one of the one or two or more resin layers, particularly at least the uppermost layer. A decorative sheet is disclosed in which a formaldehyde scavenger is contained in a resin layer.
特許文献２には、ホルムアルデヒド捕捉剤として、ジシアンジアミド、メラミン等のアミノ化合物、尿素、バルビツール酸、セミカルバジッド塩酸塩等のアマイド類、グルタミン酸塩、グリシン、アラニン等のアミノ酸類等の含窒素化合物が具体的に例示されている。
Patent Document 2 discloses, as formaldehyde scavengers, amino compounds such as dicyandiamide and melamine, amides such as urea, barbituric acid and semicarbazide hydrochloride, and nitrogen-containing compounds such as amino acids such as glutamate, glycine and alanine. Is specifically illustrated.
特許文献１及び特許文献２に開示された、これらの有機アミノ化合物はホルムアルデヒドと反応し、その生成物がホルムアルデヒドを解離しないので、ホルムアルデヒド捕捉剤として一定の効果を有するものではあるが、自動車用内装材の表皮材に用いた場合、表皮材を着色したり変色させたりする恐れがあり、本来の表皮材の意匠性が損なわれる恐れがあった。
特開平１０－１８０９４９号公報
特開平１０－１００３３３号公報
Although these organic amino compounds disclosed in Patent Document 1 and Patent Document 2 react with formaldehyde and the product does not dissociate formaldehyde, it has a certain effect as a formaldehyde scavenger. When used as a skin material, the skin material may be colored or discolored, and the design of the original skin material may be impaired.
Japanese Patent Laid-Open No. 10-180949 Japanese Patent Laid-Open No. 10-1003133
従来より、アルデヒド類の吸着剤は、練り込み、コーティング、ディピング等により、繊維製品、プラスチック製品にその機能を付与してきたが、いずれの吸着剤も粒子径が大きく、また不透明であることから、外観上の品位を損ねない表皮材の裏面側の人の目に触れない部分に塗布するか又は限定された色彩でしか使用できない。裏面に塗布せざるを得ないということは、発生・拡散していく揮発性有機物質の一方向のものは吸着可能であるが、室内に拡散している揮発性有機物質は捕捉出来ない状態であることを示す。
Conventionally, adsorbents of aldehydes have been imparted to fiber products and plastic products by kneading, coating, dipping, etc., but since each adsorbent has a large particle size and is opaque, It can be applied only to a portion of the back side of the skin material that does not impair the appearance quality, and it can be used only in a limited color. The unavoidable application on the back side means that unidirectional volatile organic substances that can be generated and diffused can be adsorbed, but volatile organic substances that diffuse in the room cannot be captured. Indicates that there is.
そこで、本発明は、アルデヒド類などの揮発性有機物質の捕捉性能に優れ、表皮材の意匠性を損なわず、且つ人体に対する毒性を有しない自動車用内装材を提供することを目的とする。
Therefore, an object of the present invention is to provide an automotive interior material that is excellent in capturing performance of volatile organic substances such as aldehydes, does not impair the design of the skin material, and does not have toxicity to the human body.
本発明者らは、特定の揮発性有機物質捕捉剤（ＶＯＣキャッチャー）を自動車用内装材の特定部分に存在させることで上記課題が解決されることを見出し、本発明に到達した。
The present inventors have found that the above-mentioned problems can be solved by causing a specific volatile organic substance scavenger (VOC catcher) to exist in a specific part of an automobile interior material, and have reached the present invention.
即ち、本発明は、少なくとも基材と表皮材とからなる自動車用内装材の発明であって、該表皮材の表面及び／又は裏面に揮発性有機物質捕捉剤を含み、且つ該揮発性有機物質捕捉剤が平均粒径１～２００ｎｍを有する二酸化珪素のアミノシラン反応物であることを特徴とする。ここでアミノシランとは、一般式：ＹｎＳｉＸ（４－ｎ）（式中、Ｘはアルコキシ基、アセチル基またはハロゲンであり、Ｙはアミノ基または少なくとも１個のアミノ基によって置換されたアルキル基であり、ｎは１～３までの整数である）で示される珪素化合物である。なお、Ｘがアルコキシ基である場合、Ｘはメトキシ基、エトキシ基、プロポキシ基またはブトキシ基であることが特に好ましい。また、Ｙが少なくとも１個のアミノ基によって置換されたアルキル基である場合、Ｙはアミノメチル基、アミノエチル基、アミノプロピル基またはアミノブチル基であることが特に好ましい。本発明で用いられる揮発性有機物質捕捉剤は平均粒径がナノオーダーと極めて小さく、透明性が確保される。この点、従来の平均粒径が大きい揮発性有機物質捕捉剤が乳濁しているのに対して優れている。
That is, the present invention is an invention of an automobile interior material comprising at least a base material and a skin material, and includes a volatile organic substance scavenger on the surface and / or the back surface of the skin material, and the volatile organic material. The scavenger is an aminosilane reaction product of silicon dioxide having an average particle diameter of 1 to 200 nm. Here, aminosilane is a general formula: Y n SiX (4-n) (wherein X is an alkoxy group, acetyl group or halogen, and Y is an amino group or an alkyl group substituted by at least one amino group And n is an integer from 1 to 3. When X is an alkoxy group, X is particularly preferably a methoxy group, an ethoxy group, a propoxy group, or a butoxy group. In addition, when Y is an alkyl group substituted with at least one amino group, Y is particularly preferably an aminomethyl group, an aminoethyl group, an aminopropyl group, or an aminobutyl group. The volatile organic substance scavenger used in the present invention has an extremely small average particle size of nano-order and ensures transparency. In this respect, the conventional volatile organic substance scavenger having a large average particle diameter is superior to the emulsion.
本発明で用いられる揮発性有機物質補足剤は、例えばホルムアルデヒドおよびアセトアルデヒドなどのアルデヒド類、ならびにトリクロロエチレン、テトラクロロエチレン、トルエン、ベンゼンおよびキシレンといった揮発性有機化合物（ＶＯＣ）である揮発性有機物質を補足することができる。
The volatile organic substance scavenger used in the present invention supplements volatile organic substances such as aldehydes such as formaldehyde and acetaldehyde, and volatile organic compounds (VOC) such as trichloroethylene, tetrachloroethylene, toluene, benzene and xylene. Can do.
本発明の自動車用内装材は、基本的に、基材と表皮材とからなり、所望により、スペーサー、裏面不織布、通気防止フィルム、ガラスマット等を含む積層構造体である。これらの中で、表皮材としては、従来自動車用内装材の表皮材として公知の不織布が好ましく例示される。
The automotive interior material of the present invention is basically a laminated structure comprising a base material and a skin material, and, if desired, a spacer, a non-woven fabric on the back surface, a ventilation prevention film, a glass mat and the like. In these, as a skin material, a well-known nonwoven fabric is preferably illustrated as a skin material of the conventional interior material for motor vehicles.
本発明の自動車用内装材において、表皮材の表面及び／又は裏面に揮発性有機物質捕捉剤が、種々の方法によって、塗布、散布、含浸されて付着される。その中で、揮発性有機物質捕捉剤を含む樹脂エマルジョンを泡コーティングで該表皮材に付着すると、不織布の網目を潰さずに、不織布の表面及び／又は裏面に揮発性有機物質捕捉剤が付着され、不織布が有する本来の色合い、布目、感触などの意匠性が損なわれないので、好ましい。
In the automotive interior material of the present invention, a volatile organic substance scavenger is applied, spread and impregnated on the surface and / or back surface of the skin material by various methods. Among them, when a resin emulsion containing a volatile organic substance scavenger is attached to the skin material by foam coating, the volatile organic substance scavenger is attached to the surface and / or back surface of the nonwoven fabric without crushing the mesh of the nonwoven fabric. It is preferable because the design properties such as the original color, texture, and touch of the nonwoven fabric are not impaired.
本発明の自動車用内装材が適用される自動車部位は限定されないが、特に、高温にさらされ、揮発性有機物質の揮発が懸念される天井部位にルーフ材として装着されることが好ましい。
Although the automobile part to which the automobile interior material of the present invention is applied is not limited, it is particularly preferable that the automobile part is mounted as a roof material on a ceiling part that is exposed to high temperatures and is likely to volatilize volatile organic substances.
自動車用内装材の表皮材の表面及び／又は裏面に、平均粒径１～２００ｎｍを有する二酸化珪素のアミノシラン反応物を揮発性有機物質捕捉剤として含ませることによって、表皮材の透明性が確保され、その意匠性が損なわれないで、アルデヒド類などの揮発性有機物質を効率良く除去・削減させることができる。
Transparency of the skin material is ensured by including an aminosilane reaction product of silicon dioxide having an average particle diameter of 1 to 200 nm as a volatile organic substance scavenger on the surface and / or back surface of the skin material of automobile interior materials. The design properties are not impaired, and volatile organic substances such as aldehydes can be efficiently removed and reduced.
又、自動車用内装材の内部に揮発性有機物質捕捉剤を含ませる場合と比べて、自動車用内装材の表皮材に揮発性有機物質捕捉剤を含ませる本発明では、自動車用内装材の内部から放出される揮発性有機物質を捕捉するだけでなく、自動車室内の他の部品から放出される揮発性有機物質を捕捉させることができる。特に、天井表皮は車内でも比較的高面積であり、この表面積が大きいルーフ材で揮発性有機物質を捕捉させることで、揮発性有機物質の除去・削減効果は大きい。
Further, in the present invention in which a volatile organic substance scavenger is included in the skin material of the automobile interior material, compared with the case where the volatile organic substance scavenger is included in the interior of the automobile interior material, the interior of the automobile interior material In addition to capturing volatile organic substances emitted from the vehicle, volatile organic substances emitted from other parts in the automobile interior can be captured. In particular, the ceiling skin has a relatively large area even in a car. By capturing the volatile organic material with a roof material having a large surface area, the removal / reduction effect of the volatile organic material is great.
更に、本発明で揮発性有機物質捕捉剤として用いる、平均粒径１～２００ｎｍを有する二酸化珪素のアミノシラン反応物は、経口毒性や皮膚刺激性が低いことが確認されており、人と接触する可能性がある自動車内部表面に存在しても、安全性に優れている。
Furthermore, the aminosilane reaction product of silicon dioxide having an average particle diameter of 1 to 200 nm used as a volatile organic substance scavenger in the present invention has been confirmed to have low oral toxicity and skin irritation, and can come into contact with humans. Even if it exists on the inner surface of a car, it has excellent safety.
［符号の説明］
１：車体ルーフ、２：スペーサー、３：不織布、４：通気防止フィルム、５：ガラスマット、６：基材、７：ガラスマット、８：表皮材裏面、９：表皮材、１０：表皮材表面、１１：表皮材全体
本明細書は、本願の優先権の基礎である特願２００８－００５９８０号の明細書、特許請求の範囲および図面に記載された内容を包含する。 [Explanation of symbols]
1: car roof, 2: spacer, 3: non-woven fabric, 4: air-proof film, 5: glass mat, 6: base material, 7: glass mat, 8: skin material back surface, 9: skin material, 10: skin material surface 11: Whole skin material This specification includes the contents described in the specification, claims and drawings of Japanese Patent Application No. 2008-005980 which is the basis of the priority of the present application.
１：車体ルーフ、２：スペーサー、３：不織布、４：通気防止フィルム、５：ガラスマット、６：基材、７：ガラスマット、８：表皮材裏面、９：表皮材、１０：表皮材表面、１１：表皮材全体
本明細書は、本願の優先権の基礎である特願２００８－００５９８０号の明細書、特許請求の範囲および図面に記載された内容を包含する。 [Explanation of symbols]
1: car roof, 2: spacer, 3: non-woven fabric, 4: air-proof film, 5: glass mat, 6: base material, 7: glass mat, 8: skin material back surface, 9: skin material, 10: skin material surface 11: Whole skin material This specification includes the contents described in the specification, claims and drawings of Japanese Patent Application No. 2008-005980 which is the basis of the priority of the present application.
本発明の自動車用内装材の製品部位としては、特に限定されないが、ピラートリム、ドアトリム、インストルメントパネル、メーターフード、コンソール、天井材等を例示できる。また、基材又は表皮材に緩衝性のある素材を用いることにより、自動車用内装材は自動車用緩衝材としても機能する。
The product part of the automobile interior material of the present invention is not particularly limited, and examples thereof include pillar trim, door trim, instrument panel, meter hood, console, ceiling material, and the like. Moreover, the interior material for motor vehicles functions also as a buffer material for motor vehicles by using a buffering raw material for a base material or a skin material.
図１に、自動車用内装材のうち、ルーフ材（天井材）の断面構造の一例を示す。但し、本発明はこの構造に限定されるものではない。車外側から室内側に向かって、車体ルーフ１にスペーサー２を介して、不織布３、通気防止フィルム４、ガラスマット５、硬質ウレタン層などの基材６、ガラスマット７、不織布などの表皮材９が積層される。本発明では、該表皮材９の表面１０及び／又は裏面８に揮発性有機物質捕捉剤を含む。表皮材９、表皮材表面１０及び表皮材裏面８を合わせて表皮材全体１１である。
FIG. 1 shows an example of a cross-sectional structure of a roof material (ceiling material) among automotive interior materials. However, the present invention is not limited to this structure. From the outside of the vehicle to the inside of the room, a non-woven fabric 3, a ventilation prevention film 4, a glass mat 5, a base material 6 such as a hard urethane layer, a glass mat 7, and a skin material 9 such as a non-woven fabric through a spacer 2 on a car roof 1 Are stacked. In the present invention, the surface material 10 and / or the back surface 8 of the skin material 9 contains a volatile organic substance scavenger. The skin material 9, the skin material surface 10, and the skin material back surface 8 are combined to form the entire skin material 11.
ルーフ表皮材に本発明の揮発性有機物質捕捉剤を含ませることにより、ルーフ内部より発生するアルデヒド類はルーフ内部より室内側に拡散する前に表皮材で捕捉される。又、室内の他の部品から発生したアルデヒド類などの揮発性有機物質は表皮材で効率よく捕捉される。
By including the volatile organic substance scavenger of the present invention in the roof skin material, aldehydes generated from the inside of the roof are captured by the skin material before diffusing from the inside of the roof to the indoor side. In addition, volatile organic substances such as aldehydes generated from other parts in the room are efficiently captured by the skin material.
１．揮発性有機物質捕捉剤
本発明で用いられる揮発性有機物質捕捉剤は、平均粒径１～２００ｎｍを有する二酸化珪素のアミノシラン反応物であり、微白色透明の外観を有する。 1. Volatile organic substance scavenger The volatile organic substance scavenger used in the present invention is an aminosilane reaction product of silicon dioxide having an average particle diameter of 1 to 200 nm and has a slightly white transparent appearance.
本発明で用いられる揮発性有機物質捕捉剤は、平均粒径１～２００ｎｍを有する二酸化珪素のアミノシラン反応物であり、微白色透明の外観を有する。 1. Volatile organic substance scavenger The volatile organic substance scavenger used in the present invention is an aminosilane reaction product of silicon dioxide having an average particle diameter of 1 to 200 nm and has a slightly white transparent appearance.
２．基材
自動車用内装材の基材としては、製品部位に応じた形状に合成樹脂で形成されたものが用いられる。合成樹脂の種類としては、特に限定されない。ポリエチレン、ポリプロピレン、ポリエステル、ポリスチレン、ポリエチレンテレフタレート（ＰＥＴ）、ポリ塩化ビニル、ナイロン、ポリウレタン等が好ましく例示される。合成樹脂は、剛体に近いものでもよいし、緩衝性のあるものでもよい。緩衝性のある合成樹脂としては、発泡した合成樹脂や、ソリッドではあるがゴム状弾性のある合成樹脂を例示することができる。また、基材は、単層構造でも複数層（積層）構造でもよい。基材の形成方法としては、特に限定されないが、射出成形、射出プレス成形、ＲＩＭ成形、ブロー成形、スタンピング成形、スラッシュ成形、真空成形等を好ましく例示することができる。 2. Base material As the base material of the interior material for automobiles, a material formed of a synthetic resin in a shape corresponding to a product part is used. The type of synthetic resin is not particularly limited. Preferred examples include polyethylene, polypropylene, polyester, polystyrene, polyethylene terephthalate (PET), polyvinyl chloride, nylon, polyurethane and the like. The synthetic resin may be close to a rigid body or may have a buffering property. Examples of the synthetic resin having a buffering property include foamed synthetic resins and solid synthetic resins having rubbery elasticity. The substrate may be a single layer structure or a multi-layer (laminated) structure. Although it does not specifically limit as a formation method of a base material, Injection molding, injection press molding, RIM molding, blow molding, stamping molding, slush molding, vacuum molding, etc. can be illustrated preferably.
自動車用内装材の基材としては、製品部位に応じた形状に合成樹脂で形成されたものが用いられる。合成樹脂の種類としては、特に限定されない。ポリエチレン、ポリプロピレン、ポリエステル、ポリスチレン、ポリエチレンテレフタレート（ＰＥＴ）、ポリ塩化ビニル、ナイロン、ポリウレタン等が好ましく例示される。合成樹脂は、剛体に近いものでもよいし、緩衝性のあるものでもよい。緩衝性のある合成樹脂としては、発泡した合成樹脂や、ソリッドではあるがゴム状弾性のある合成樹脂を例示することができる。また、基材は、単層構造でも複数層（積層）構造でもよい。基材の形成方法としては、特に限定されないが、射出成形、射出プレス成形、ＲＩＭ成形、ブロー成形、スタンピング成形、スラッシュ成形、真空成形等を好ましく例示することができる。 2. Base material As the base material of the interior material for automobiles, a material formed of a synthetic resin in a shape corresponding to a product part is used. The type of synthetic resin is not particularly limited. Preferred examples include polyethylene, polypropylene, polyester, polystyrene, polyethylene terephthalate (PET), polyvinyl chloride, nylon, polyurethane and the like. The synthetic resin may be close to a rigid body or may have a buffering property. Examples of the synthetic resin having a buffering property include foamed synthetic resins and solid synthetic resins having rubbery elasticity. The substrate may be a single layer structure or a multi-layer (laminated) structure. Although it does not specifically limit as a formation method of a base material, Injection molding, injection press molding, RIM molding, blow molding, stamping molding, slush molding, vacuum molding, etc. can be illustrated preferably.
３．表皮材
自動車用内装材の表皮材に用いる可撓性のある素材としては、特に限定されない。織布、不織布、起毛布、植毛布、合成樹脂シート、ゴムシート、皮、紙等が好ましく例示される。また、表皮材は、単層構造でも複数層（積層）構造でもよく、後者の場合、同種の素材を積層しても異種の素材を積層してもよい。また、単層構造で有ればその層に、複数層であればいずれかの層に、緩衝性のある素材や防音材を用いてもよい。緩衝性のある素材としては、特に限定されないが、発泡した樹脂、エラストマー又はゴムを用いたシートや、ソリッドではあるがゴム状弾性のある樹脂、エラストマー又はゴムを用いたシートが例示される。防音材としては、特に限定されないが、前記緩衝性のある素材として例示したシートは防音材としても機能するし、その他、不織布等が例示される。 3. Skin material The flexible material used for the skin material of the automobile interior material is not particularly limited. Preferred examples include woven fabric, non-woven fabric, brushed fabric, flocked fabric, synthetic resin sheet, rubber sheet, leather, paper and the like. Further, the skin material may have a single layer structure or a multi-layer (laminated) structure. In the latter case, the same kind of materials may be laminated or different kinds of materials may be laminated. Moreover, you may use a buffering material and a soundproof material for the layer if it is a single layer structure, and for any layer if it is a plurality of layers. Although it does not specifically limit as a buffering material, the sheet | seat which used foamed resin, an elastomer, or rubber | gum, and the sheet | seat which used the resin, elastomer, or rubber | gum which is solid but has rubber-like elasticity are illustrated. Although it does not specifically limit as a soundproof material, The sheet | seat illustrated as the said buffering material functions also as a soundproof material, and a nonwoven fabric etc. are illustrated other than that.
自動車用内装材の表皮材に用いる可撓性のある素材としては、特に限定されない。織布、不織布、起毛布、植毛布、合成樹脂シート、ゴムシート、皮、紙等が好ましく例示される。また、表皮材は、単層構造でも複数層（積層）構造でもよく、後者の場合、同種の素材を積層しても異種の素材を積層してもよい。また、単層構造で有ればその層に、複数層であればいずれかの層に、緩衝性のある素材や防音材を用いてもよい。緩衝性のある素材としては、特に限定されないが、発泡した樹脂、エラストマー又はゴムを用いたシートや、ソリッドではあるがゴム状弾性のある樹脂、エラストマー又はゴムを用いたシートが例示される。防音材としては、特に限定されないが、前記緩衝性のある素材として例示したシートは防音材としても機能するし、その他、不織布等が例示される。 3. Skin material The flexible material used for the skin material of the automobile interior material is not particularly limited. Preferred examples include woven fabric, non-woven fabric, brushed fabric, flocked fabric, synthetic resin sheet, rubber sheet, leather, paper and the like. Further, the skin material may have a single layer structure or a multi-layer (laminated) structure. In the latter case, the same kind of materials may be laminated or different kinds of materials may be laminated. Moreover, you may use a buffering material and a soundproof material for the layer if it is a single layer structure, and for any layer if it is a plurality of layers. Although it does not specifically limit as a buffering material, the sheet | seat which used foamed resin, an elastomer, or rubber | gum, and the sheet | seat which used the resin, elastomer, or rubber | gum which is solid but has rubber-like elasticity are illustrated. Although it does not specifically limit as a soundproof material, The sheet | seat illustrated as the said buffering material functions also as a soundproof material, and a nonwoven fabric etc. are illustrated other than that.
本発明の自動車用内装材の適用工程は概略以下のようになる。
The application process of the automotive interior material of the present invention is roughly as follows.
（１）ルーフライニング表皮材の製作
（２）ルーフライニング表皮材の表面に揮発性有機物質捕捉剤をコーティング、乾燥、固着
（３）熱可塑性基材や熱硬化性基材などのルーフ基材を上記ルーフライニング表皮材と共に成形・張り合せ
（４）車体にアッセンブリー (1) Production of roofing skin material (2) Coating, drying and fixing of volatile organic substance scavenger on the surface of roofing skin material (3) Roof base material such as thermoplastic base material and thermosetting base material Molding and bonding together with the above roofing skin material (4) Assembly to the body
（２）ルーフライニング表皮材の表面に揮発性有機物質捕捉剤をコーティング、乾燥、固着
（３）熱可塑性基材や熱硬化性基材などのルーフ基材を上記ルーフライニング表皮材と共に成形・張り合せ
（４）車体にアッセンブリー (1) Production of roofing skin material (2) Coating, drying and fixing of volatile organic substance scavenger on the surface of roofing skin material (3) Roof base material such as thermoplastic base material and thermosetting base material Molding and bonding together with the above roofing skin material (4) Assembly to the body
以下、本発明の実施例を示す。
Examples of the present invention will be described below.
下記組成によりコーティング剤を調製した。
A coating agent was prepared according to the following composition.
アクリルエマルジョン（三井スペシャルケミカル社製、ＴＴＣ０７、固形分５０％）：５０部
揮発性有機物質捕捉剤（日華化学株式会社製、ＫＩＲＡＫＵＲＵ ＡＬ－００ＧＴ、固形分２０％）：７．５部
水：４２．５部
上記各成分を十分に攪拌・混合した後に、エア吹き込みで泡立て、ルーフライニング表皮材の表面側（室内側）に固形分で２０ｇ／ｍ２になるように均一に泡コーティングした。このサンプルを、４０℃の熱シリンダー上で予備乾燥後、１５０℃の乾燥炉内で５５秒間加熱した。 Acrylic emulsion (Mitsui Special Chemical Co., Ltd., TTC07, solid content 50%): 50 parts Volatile organic substance scavenger (Nikka Chemical Co., Ltd., KIRAKURU AL-00GT, solid content 20%): 7.5 parts Water: 42.5 parts After sufficiently stirring and mixing each of the above components, foaming was performed by blowing air, and the surface side (inside the room) of the roofing skin material was uniformly foam-coated so that the solid content was 20 g / m 2 . This sample was pre-dried on a hot cylinder at 40 ° C. and then heated in a drying furnace at 150 ° C. for 55 seconds.
揮発性有機物質捕捉剤（日華化学株式会社製、ＫＩＲＡＫＵＲＵ ＡＬ－００ＧＴ、固形分２０％）：７．５部
水：４２．５部
上記各成分を十分に攪拌・混合した後に、エア吹き込みで泡立て、ルーフライニング表皮材の表面側（室内側）に固形分で２０ｇ／ｍ２になるように均一に泡コーティングした。このサンプルを、４０℃の熱シリンダー上で予備乾燥後、１５０℃の乾燥炉内で５５秒間加熱した。 Acrylic emulsion (Mitsui Special Chemical Co., Ltd., TTC07, solid content 50%): 50 parts Volatile organic substance scavenger (Nikka Chemical Co., Ltd., KIRAKURU AL-00GT, solid content 20%): 7.5 parts Water: 42.5 parts After sufficiently stirring and mixing each of the above components, foaming was performed by blowing air, and the surface side (inside the room) of the roofing skin material was uniformly foam-coated so that the solid content was 20 g / m 2 . This sample was pre-dried on a hot cylinder at 40 ° C. and then heated in a drying furnace at 150 ° C. for 55 seconds.
なお、本発明で用いられる揮発性有機物質捕捉剤は、平均粒径１～２００ｎｍを有する二酸化珪素のアミノシラン反応物であり、透明であり、経口毒性はＬＤ５０＞２００ｍｇ／ｋｇ、皮膚刺激性はＰ．Ｃ．Ｉ．が０．００であることが確認されている。
The volatile organic substance scavenger used in the present invention is an aminosilane reaction product of silicon dioxide having an average particle diameter of 1 to 200 nm, is transparent, has oral toxicity of LD50> 200 mg / kg, and skin irritation has P . C. I. Is confirmed to be 0.00.
上記実施例と同様に、揮発性有機物質捕捉剤が無添加のカットサンプル、揮発性有機物質捕捉剤を表皮材表面に１．９％泡コーティングしたカットサンプル、揮発性有機物質捕捉剤を表皮材表面に０．７％泡コーティングしたカットサンプル、揮発性有機物質捕捉剤を表皮材表面に２．５％泡コーティングしたカットサンプルを作製し、以下の試験手順でアルデヒド類吸着性能を評価した。
Similar to the above example, a cut sample to which no volatile organic substance scavenger is added, a cut sample in which volatile organic substance scavenger is 1.9% foam-coated on the surface of the skin material, and a volatile organic substance scavenger to the skin material. A cut sample with 0.7% foam coating on the surface and a cut sample with 2.5% foam coating on the surface of the skin material with a volatile organic substance scavenger were prepared, and the aldehyde adsorption performance was evaluated by the following test procedure.
（１）１０Ｌ用テトラバックの中にカットサンプル（８×１０＝８０ｃｍ２）を入れ、窒素ガス４Ｌを封入する。
(1) A cut sample (8 × 10 = 80 cm 2 ) is placed in a 10 L tetraback, and 4 L of nitrogen gas is sealed.
（２）テトラバックごと６５℃で２時間加熱する。
(2) The whole tetra bag is heated at 65 ° C. for 2 hours.
（３）加熱処理後、テトラバック内のガス３Ｌをアルデヒド吸着カラムに通して、アルデヒド類をカラムに吸着させる。
(3) After the heat treatment, 3 L of gas in the tetrabag is passed through the aldehyde adsorption column to adsorb the aldehydes to the column.
（４）カラムに吸着させたアルデヒド類を溶剤で溶出させ、その溶液を液体クロマトグラフィーで定量分析する。（測定波長：３６０ｎｍ、溶媒：アセトニトリル／水＝５５／４５ｖｏｌ、注入量：１０μＬ、ＯＤＳカラム）
図２に、上記各カットサンプルによるアルデヒド類残存量を示す。図２の結果より、本発明のカットサンプルは優れたアルデヒド類除去性能を示すことが分かる。 (4) The aldehydes adsorbed on the column are eluted with a solvent, and the solution is quantitatively analyzed by liquid chromatography. (Measurement wavelength: 360 nm, solvent: acetonitrile / water = 55/45 vol, injection amount: 10 μL, ODS column)
In FIG. 2, the residual amount of aldehydes by each said cut sample is shown. From the results of FIG. 2, it can be seen that the cut sample of the present invention exhibits excellent aldehyde removal performance.
図２に、上記各カットサンプルによるアルデヒド類残存量を示す。図２の結果より、本発明のカットサンプルは優れたアルデヒド類除去性能を示すことが分かる。 (4) The aldehydes adsorbed on the column are eluted with a solvent, and the solution is quantitatively analyzed by liquid chromatography. (Measurement wavelength: 360 nm, solvent: acetonitrile / water = 55/45 vol, injection amount: 10 μL, ODS column)
In FIG. 2, the residual amount of aldehydes by each said cut sample is shown. From the results of FIG. 2, it can be seen that the cut sample of the present invention exhibits excellent aldehyde removal performance.
なお、揮発性有機物質捕捉剤が無添加のカットサンプルと、揮発性有機物質捕捉剤を表皮材表面に泡コーティングしたカットサンプルとの、色差はΔＥ＝０．５以内であった。
The color difference between the cut sample to which no volatile organic substance scavenger was added and the cut sample in which the volatile organic substance scavenger was foam-coated on the surface of the skin material was within ΔE = 0.5.
本発明により、自動車内の揮発性有機物質が効率よく低減され、健康上有用である。
According to the present invention, volatile organic substances in automobiles are efficiently reduced, which is useful for health.
本明細書中で引用した全ての刊行物、特許および特許出願をそのまま参考として本明細書中にとり入れるものとする。
All publications, patents and patent applications cited in this specification shall be incorporated into this specification as they are.
Claims (4)
- 少なくとも基材と表皮材とを備える自動車用内装材であって、該表皮材の表面及び／又は裏面に揮発性有機物質捕捉剤を含み、且つ該揮発性有機物質捕捉剤が平均粒径１～２００ｎｍを有する二酸化珪素のアミノシラン反応物であることを特徴とする自動車用内装材。 An automotive interior material comprising at least a base material and a skin material, comprising a volatile organic substance scavenger on the surface and / or the back surface of the skin material, and the volatile organic substance scavenger having an average particle size of 1 to An automotive interior material characterized by being an aminosilane reactant of silicon dioxide having a thickness of 200 nm.
- 前記表皮材が不織布であることを特徴とする請求項１に記載の自動車用内装材。 The automobile interior material according to claim 1, wherein the skin material is a non-woven fabric.
- 表皮材の表面及び／又は裏面に揮発性有機物質捕捉剤が、該揮発性有機物質捕捉剤を含む樹脂エマルジョンを泡コーティングで該表皮材に付着されたものであることを特徴とする請求項１又は２に記載の自動車用内装材。 The volatile organic substance scavenger on the surface and / or the back surface of the skin material is obtained by adhering a resin emulsion containing the volatile organic substance scavenger to the skin material by foam coating. Or the interior material for motor vehicles of 2.
- 自動車内天井に装着されるルーフ材であることを特徴とする請求項１乃至３のいずれかに記載の自動車用内装材。 The interior material for automobiles according to any one of claims 1 to 3, wherein the interior material is a roof material to be mounted on a ceiling inside the automobile.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008005980A JP2009166614A (en) | 2008-01-15 | 2008-01-15 | Interior trim material for automobile |
| JP2008-005980 | 2008-01-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2009090955A1 true WO2009090955A1 (en) | 2009-07-23 |
Family
ID=40885344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2009/050377 WO2009090955A1 (en) | 2008-01-15 | 2009-01-14 | Material for interior automotive trims |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2009166614A (en) |
| MY (1) | MY159376A (en) |
| WO (1) | WO2009090955A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115746387A (en) * | 2021-09-03 | 2023-03-07 | 欧拓管理股份有限公司 | VOC treatment of molded interior trim components for vehicles |
| EP4252903A1 (en) * | 2022-03-31 | 2023-10-04 | Autoneum Management AG | Volatile organic compounds (voc) reducing patch for treating automotive parts |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10310984A (en) * | 1997-05-12 | 1998-11-24 | Dynic Corp | Wallpaper |
| JP2002191967A (en) * | 2000-12-28 | 2002-07-10 | Toagosei Co Ltd | Aldehyde gas absorbent |
| JP2004285485A (en) * | 2003-03-19 | 2004-10-14 | Kao Corp | Treating agent for textile product for deodorizing processing comprising granular adsorbent |
| JP2007290438A (en) * | 2006-04-21 | 2007-11-08 | Yachiyo Industry Co Ltd | Sunshade plate |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004024330A (en) * | 2002-06-21 | 2004-01-29 | Toagosei Co Ltd | Deodorant |
-
2008
- 2008-01-15 JP JP2008005980A patent/JP2009166614A/en active Pending
-
2009
- 2009-01-14 WO PCT/JP2009/050377 patent/WO2009090955A1/en active Application Filing
- 2009-01-14 MY MYPI2010003324A patent/MY159376A/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10310984A (en) * | 1997-05-12 | 1998-11-24 | Dynic Corp | Wallpaper |
| JP2002191967A (en) * | 2000-12-28 | 2002-07-10 | Toagosei Co Ltd | Aldehyde gas absorbent |
| JP2004285485A (en) * | 2003-03-19 | 2004-10-14 | Kao Corp | Treating agent for textile product for deodorizing processing comprising granular adsorbent |
| JP2007290438A (en) * | 2006-04-21 | 2007-11-08 | Yachiyo Industry Co Ltd | Sunshade plate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115746387A (en) * | 2021-09-03 | 2023-03-07 | 欧拓管理股份有限公司 | VOC treatment of molded interior trim components for vehicles |
| WO2023031327A1 (en) * | 2021-09-03 | 2023-03-09 | Autoneum Management Ag | Voc treatment of moulded interior trim parts for a vehicle |
| EP4252903A1 (en) * | 2022-03-31 | 2023-10-04 | Autoneum Management AG | Volatile organic compounds (voc) reducing patch for treating automotive parts |
Also Published As
| Publication number | Publication date |
|---|---|
| MY159376A (en) | 2016-12-30 |
| JP2009166614A (en) | 2009-07-30 |
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