WO2017068967A1 - Packing material for lighting equipment - Google Patents
Packing material for lighting equipment Download PDFInfo
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- WO2017068967A1 WO2017068967A1 PCT/JP2016/079454 JP2016079454W WO2017068967A1 WO 2017068967 A1 WO2017068967 A1 WO 2017068967A1 JP 2016079454 W JP2016079454 W JP 2016079454W WO 2017068967 A1 WO2017068967 A1 WO 2017068967A1
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- packing material
- sheet body
- foam
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- lighting equipment
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
Definitions
- the present invention relates to a lighting fixture packing material (hereinafter, also simply referred to as “packing material”). About.
- lighting fixtures that are used by being placed on walls or ceilings are placed between the lighting fixtures and the walls or ceilings on which the lighting fixtures are placed in order to stably fix the lighting fixtures. Further, a packing material is disposed. As such a packing material for a lighting fixture, a flexible polyurethane foam is widely used from the viewpoint of durability, grip properties, and availability.
- the packing material using the flexible polyurethane foam has a problem in that the wallpaper arranged on the wall or ceiling is discolored at the portion in contact with the packing material, and the contact mark of the packing material remains. This is considered to be because the amine catalyst contained in the foam and dibutylhydroxytoluene (BHT), which is a general-purpose antioxidant, migrate from the foam to the wallpaper when the foam contacts the wall or ceiling.
- BHT dibutylhydroxytoluene
- Patent Document 1 discloses a packing material for a lighting fixture made of a flexible polyurethane foam obtained by reacting a polyol and a polyisocyanate compound using an N, N-dimethylaminoalkylurea compound as an amine catalyst. Yes.
- the conventional technology has a drawback in that the selection of the raw material for the packing material has a great limitation, and is not sufficient.
- an object of the present invention is to provide a packing material for a lighting fixture that can suppress discoloration of wallpaper on the installation surface without causing restrictions on the raw material of the packing material.
- the present inventor has found that the above problem can be solved by arranging a predetermined sheet on the surface of the flexible polyurethane foam in contact with the wallpaper, and the present invention has been completed.
- the present invention is a packing material for lighting equipment mainly composed of flexible polyurethane foam, A sheet body made of a vinyl chloride resin composition is disposed on a surface of the flexible polyurethane foam that is in contact with an installation surface.
- the static friction coefficient of the surface of the sheet body in contact with the installation surface is 0.45 or more.
- seat body is 80 micrometers or more.
- FIG. 1 is a cross-sectional view in the thickness direction showing an example of a packing material for a lighting fixture according to the present invention.
- the packing material 10 for a lighting fixture of the present invention is mainly composed of a flexible polyurethane foam 1.
- the sheet body 2 made of a vinyl chloride resin (PVC) composition is disposed on the surface of the flexible polyurethane foam 1 that is in contact with the installation surface W made of wallpaper or the like.
- positioned on a wall or a ceiling is named generically, and is set as a wallpaper.
- the sheet 2 made of the vinyl chloride resin composition is interposed between the flexible polyurethane foam 1 and the installation surface W, so that the amine catalyst and the antioxidant contained in the foam 1 are used as wallpaper.
- the transition can be prevented, and the discoloration of the wallpaper can be suppressed. This is because these contaminants that ooze out from the foam 1 migrate to the sheet body 2 and are trapped by reacting with the vinyl chloride resin composition constituting the sheet body 2 so that the contaminants do not migrate to the wallpaper W. It is thought that.
- the sheet body 2 only needs to be made of the same vinyl chloride resin composition as that of a general wallpaper material, so that the contaminated components ooze out from the sheet body 2 itself. Can be eliminated. Further, in the present invention, since the discoloration suppressing effect of wallpaper is obtained by the arrangement of the sheet body 2, the raw material of the flexible polyurethane foam 1 is not restricted.
- the static friction coefficient of the surface of the sheet body 2 in contact with the installation surface W is 0.45 or more.
- the static friction coefficient is particularly preferably 0.6 to 2.3, and more preferably 1.0 to 2.3.
- the static friction coefficient can be measured according to JIS 7125.
- the surface of the foam 1 on the side in contact with the installation surface W may be uneven as long as the sheet body 2 is disposed on the surface of the foam 1 in contact with the installation surface W.
- the sheet body 2 only needs to be disposed only on the surface in contact with the installation surface W among the surfaces in contact with the installation surface W, thereby obtaining the desired effect of the present invention. be able to.
- the vinyl chloride resin composition constituting the sheet body 2 is mainly composed of a vinyl chloride resin and contains a general-purpose additive such as a plasticizer, and preferably satisfies the static friction coefficient. There are no particular restrictions on the specific formulation. Further, the sheet body 2 is not particularly limited in terms of surface properties, and may be subjected to surface processing such as embossing or mirror surface, or may not be performed.
- the film thickness of the sheet body 2 is preferably 80 ⁇ m or more, and more preferably 200 to 300 ⁇ m. By setting the film thickness of the sheet body 2 to 80 ⁇ m or more, it is possible to more reliably obtain the wallpaper discoloration suppressing effect. On the other hand, even if the thickness of the sheet body 2 is too thick, no further effect is obtained and the cost is increased.
- the size of the sheet body 2 can be made larger than the installation surface of the foam 1.
- the area where the sheet 2 covers the wallpaper is wider than the installation surface of the foam 1, it is possible to more reliably suppress discoloration of the wallpaper around the laminate of the foam 1 and the sheet 2. it can.
- any flexible polyurethane foam 1 may be used as long as it is a general polyurethane foam obtained by reacting an isocyanate compound and a polyol compound.
- the present invention also has an advantage that there is no restriction on the choice of the catalyst and other additive components, the blending amount, etc., for blending the flexible polyurethane foam 1.
- the foam 1 and the sheet body 2 are integrated with or without an adhesive.
- an adhesive used for integrating the foam 1 and the sheet body 2 for example, a hot-melt adhesive such as polyurethane, polyester, olefin, or polyamide can be used.
- a so-called frame laminating technique in which the foam 1 is melted and bonded to the sheet body 2 can be used.
- a sheet-like or block-like foam 1 is manufactured.
- the production of the sheet-form or block-form foam 1 is a conventional method for producing an open-cell polyurethane foam, which is generally known as a molding method such as melt foam molding using a mold, cast foam molding, etc.
- a prepolymer method, a one-shot method, a partial prepolymer method, or the like can be applied.
- a method of manufacturing a ribbon dead foam (chip hardening) in which a finely pulverized polyurethane foam is compressed and hardened with an adhesive is also applicable.
- the foam 1 and the sheet body 2 are integrated with or without an adhesive, and a laminated body of the integrated foam 1 and the sheet body 2 is formed by stamping or the like.
- the material 10 can be obtained.
- the packing material 10 of the present invention having a desired shape can also be obtained by arranging and integrating the sheet body 2 on the surface in contact with the installation surface.
- packing materials of each example and comparative example were produced. Specifically, the packing materials of Comparative Examples 1 and 2 consist only of a flexible polyurethane foam, and the packing materials of Examples 1 to 8 and Comparative Examples 3 and 4 consist of a flexible polyurethane foam and a sheet body according to the following. Manufactured by integrating.
- the weight and force gauge (PP-AY5357 manufactured by Aiko Engineering Co., Ltd.) are connected, and the force gauge is scanned in the direction opposite to the weight at a speed of 100 mm / sec, and the tension FMAX value of the force gauge at that time is detected.
- the packing materials of each of the examples and comparative examples thus obtained are arranged so that the surface on the sheet body side is the upper surface, and wallpaper (manufactured by Sangetsu Co., Ltd., # 9911, material: vinyl chloride resin) is provided on the design.
- the surface was placed in contact with the sheet body and set in a jig so that the foam thickness of the packing material was compressed by 75%.
- the set jig was left in a constant temperature bath at 100 ° C. for 7 days, then allowed to cool at room temperature for 3 hours, the packing material was released from the jig, and the color of the wallpaper surface was confirmed.
- the case where discoloration was observed visually was rated as x, and the case where discoloration was not recognized was marked as ⁇ .
- TUX Flexible polyurethane foam (manufactured by Bridgestone Corporation, 19 mm thickness, density 50 kg / m 3 ) * 2) TKX: Flexible polyurethane foam (manufactured by Bridgestone Corporation, 19 mm thickness, density 40 kg / m 3 ) * 3 to 9) Okamoto Co., Ltd., vinyl chloride resin sheet (part number) * 10) Okamoto Co., Ltd., ethylene / vinyl acetate copolymer resin (EVA) sheet (part number) * 11) Okamoto Co., Ltd., urethane PVC resin sheet (part number)
- Comparative Examples 1 and 2 in which no sheet body is arranged, the effect of suppressing discoloration was not obtained.
- Comparative Examples 3 and 4 it can be seen from Comparative Examples 3 and 4 that when the material of the sheet body is EVA or urethane PVC, the contamination component from the sheet itself is transferred to the wallpaper, so that the discoloration of the wallpaper cannot be suppressed.
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Laminated Bodies (AREA)
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Abstract
Description
本発明は、照明器具用パッキン材（以下、単に「パッキン材」とも称する）に関し、詳しくは、照明器具と、照明器具の配置される壁や天井などとの間に介在させる照明器具用パッキン材に関する。 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting fixture packing material (hereinafter, also simply referred to as “packing material”). About.
従来より、壁や天井などに配置して使用される照明器具には、照明器具と、照明器具の配置される壁や天井などとの間に介在させて、照明器具を安定的に固定するために、パッキン材が配設されている。このような照明器具用パッキン材には、耐久性やグリップ性、入手容易性の観点から、軟質ポリウレタンフォームが汎用されている。 Conventionally, lighting fixtures that are used by being placed on walls or ceilings are placed between the lighting fixtures and the walls or ceilings on which the lighting fixtures are placed in order to stably fix the lighting fixtures. Further, a packing material is disposed. As such a packing material for a lighting fixture, a flexible polyurethane foam is widely used from the viewpoint of durability, grip properties, and availability.
しかし、軟質ポリウレタンフォームを用いたパッキン材では、パッキン材と接した部分で、壁や天井に配置された壁紙が変色して、パッキン材の当接痕が残ってしまうという問題があった。これは、フォームが壁や天井に接することで、フォーム内に含まれるアミン触媒や、汎用の酸化防止剤であるジブチルヒドロキシトルエン（ＢＨＴ）が、フォームから壁紙に移行することに起因すると考えられる。 However, the packing material using the flexible polyurethane foam has a problem in that the wallpaper arranged on the wall or ceiling is discolored at the portion in contact with the packing material, and the contact mark of the packing material remains. This is considered to be because the amine catalyst contained in the foam and dibutylhydroxytoluene (BHT), which is a general-purpose antioxidant, migrate from the foam to the wallpaper when the foam contacts the wall or ceiling.
これに対し、アミン触媒を改良したり、酸化防止剤を変更した配合、または、アミン触媒や酸化防止剤の配合量を低減した配合などが検討されてきている。例えば、特許文献１には、アミン系触媒としてＮ，Ｎ－ジメチルアミノアルキル尿素化合物を用い、ポリオールとポリイソシアネート化合物とを反応させて得られる軟質ポリウレタンフォームからなる照明器具用パッキング材が開示されている。 On the other hand, improvements in amine catalysts, changes in antioxidants, or reductions in the amounts of amine catalysts and antioxidants have been studied. For example, Patent Document 1 discloses a packing material for a lighting fixture made of a flexible polyurethane foam obtained by reacting a polyol and a polyisocyanate compound using an N, N-dimethylaminoalkylurea compound as an amine catalyst. Yes.
しかしながら、従来の技術では、パッキン材の原材料の選定に大きな制約が生ずるという難点があり、十分なものではなかった。 However, the conventional technology has a drawback in that the selection of the raw material for the packing material has a great limitation, and is not sufficient.
そこで、本発明の目的は、パッキン材の原材料に制約を生ずることなく、設置面における壁紙の変色を抑制することが可能な照明器具用パッキン材を提供することにある。 Therefore, an object of the present invention is to provide a packing material for a lighting fixture that can suppress discoloration of wallpaper on the installation surface without causing restrictions on the raw material of the packing material.
本発明者は鋭意検討した結果、軟質ポリウレタンフォームが壁紙と接する面に所定のシート体を配置することで、上記問題を解決できることを見出して、本発明を完成するに至った。 As a result of intensive studies, the present inventor has found that the above problem can be solved by arranging a predetermined sheet on the surface of the flexible polyurethane foam in contact with the wallpaper, and the present invention has been completed.
すなわち、本発明は、軟質ポリウレタンフォームを主体とする照明器具用パッキン材であって、
前記軟質ポリウレタンフォームの、設置面と接する面に、塩化ビニル樹脂組成物からなるシート体が配置されてなることを特徴とするものである。
That is, the present invention is a packing material for lighting equipment mainly composed of flexible polyurethane foam,
A sheet body made of a vinyl chloride resin composition is disposed on a surface of the flexible polyurethane foam that is in contact with an installation surface.
本発明のパッキン材においては、前記シート体の、前記設置面と接する面の静摩擦係数が０．４５以上であることが好ましい。また、前記シート体の膜厚が、８０μｍ以上であることが好ましい。 In the packing material of the present invention, it is preferable that the static friction coefficient of the surface of the sheet body in contact with the installation surface is 0.45 or more. Moreover, it is preferable that the film thickness of the said sheet | seat body is 80 micrometers or more.
本発明によれば、パッキン材の原材料に制約を生ずることなく、設置面における壁紙の変色を抑制できる照明器具用パッキン材を実現することが可能となった。 According to the present invention, it is possible to realize a packing material for lighting equipment that can suppress discoloration of wallpaper on the installation surface without causing restrictions on the raw material of the packing material.
以下、本発明の実施の形態について、図面を参照しつつ詳細に説明する。
図１に、本発明の照明器具用パッキン材の一例を示す厚み方向の断面図を示す。図示するように、本発明の照明器具用パッキン材１０は、軟質ポリウレタンフォーム１を主体とするものである。本発明のパッキン材１０においては、軟質ポリウレタンフォーム１の、壁紙等からなる設置面Ｗと接する面に、塩化ビニル樹脂（ＰＶＣ）組成物からなるシート体２が配置されていることが重要である。ここで、本発明においては、壁または天井に配置される装飾シートを総称して壁紙とする。
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a cross-sectional view in the thickness direction showing an example of a packing material for a lighting fixture according to the present invention. As shown in the drawing, the
本発明によれば、塩化ビニル樹脂組成物からなるシート体２を、軟質ポリウレタンフォーム１と設置面Ｗとの間に介在させたことで、フォーム１に含まれるアミン触媒や酸化防止剤が壁紙に移行することを防止でき、これにより壁紙の変色を抑制することができる。これは、フォーム１から染み出すこれら汚染物質がシート体２に移行し、シート体２を構成する塩化ビニル樹脂組成物と反応してトラップされることで、壁紙Ｗまで汚染物質が移行しなくなるためであると考えられる。
According to the present invention, the
本発明のパッキン材１０において、シート体２は、一般的な壁紙材質と同様の塩化ビニル樹脂組成物からなるものであればよく、これにより、シート体２自体からの汚染成分の浸み出しをなくすことができる。また、本発明においては、シート体２の配置により壁紙の変色抑制効果が得られるので、軟質ポリウレタンフォーム１の原材料に制約を生ずることがない。
In the
また、本発明のパッキン材１０においては、シート体２の、設置面Ｗと接する面の静摩擦係数が０．４５以上であることが好ましい。シート体２として所定の静摩擦係数を有するものを用いたことで、フォームが圧縮されて戻ろうとする力と、シート体と壁紙との間の摩擦により、壁紙との間のグリップ性についても確保することができ、結果として、設置面における壁紙の変色の抑制と、設置面とパッキン材との間のグリップ性とを両立することが可能となる。上記静摩擦係数は、特には、０．６～２．３であることが好ましく、１．０～２．３であることがより好ましい。ここで、上記静摩擦係数は、ＪＩＳ ７１２５に準拠して測定することができる。
Further, in the
本発明のパッキン材１０においては、フォーム１の、設置面Ｗと接する面に、シート体２が配置されているものであればよいので、フォーム１の、設置面Ｗと接する側の表面が凹凸を有する場合には、設置面Ｗと接する側の表面のうち、設置面Ｗと直接接する面についてのみ、シート体２が配置されていればよく、これにより、本発明の所期の効果を得ることができる。
In the
シート体２を構成する塩化ビニル樹脂組成物は、塩化ビニル樹脂を主成分とし、可塑剤等の汎用の添加剤を含むものであり、上記静摩擦係数を満足するものであることが好ましいが、その具体的な配合については特に制限はない。また、シート体２は、表面性状についても特に制限されず、エンボスや鏡面等の表面加工が施されているものであっても、施されていないものであってもよい。
The vinyl chloride resin composition constituting the
シート体２の膜厚としては、８０μｍ以上であることが好ましく、２００～３００μｍであることがより好ましい。シート体２の膜厚を８０μｍ以上とすることで、より確実に壁紙の変色抑制効果を得ることができる。一方、シート体２の膜厚が厚すぎても、それ以上の効果は得られず、コスト高となる。
The film thickness of the
また、シート体２の大きさは、フォーム１の設置面よりも大きくすることができる。この場合、シート体２が壁紙を覆う面積がフォーム１の設置面よりも広くなるため、フォーム１とシート体２との積層体の周辺の壁紙が変色することを、より確実に抑制することができる。
Further, the size of the
本発明において、軟質ポリウレタンフォーム１としては、イソシアネート化合物とポリオール化合物とを反応させて得られる一般的なポリウレタンフォームであれば、いずれのものを用いることもできる。前述したように、本発明は、軟質ポリウレタンフォーム１の配合について、触媒やその他の添加剤成分の選択肢や配合量等の制約がないというメリットも有する。 In the present invention, any flexible polyurethane foam 1 may be used as long as it is a general polyurethane foam obtained by reacting an isocyanate compound and a polyol compound. As described above, the present invention also has an advantage that there is no restriction on the choice of the catalyst and other additive components, the blending amount, etc., for blending the flexible polyurethane foam 1.
フォーム１とシート体２とは、接着剤を介して、または介さずに、一体化されていることが好ましい。フォーム１とシート体２との一体化に用いる接着剤としては、例えば、ポリウレタン系、ポリエステル系、オレフィン系、ポリアミド系等のホットメルト接着剤を用いることができる。また、接着剤を介さずにフォーム１とシート体２とを一体化する手法としては、例えば、フォーム１を溶融させてシート体２と貼り合わせる、いわゆるフレームラミネートの技術を用いることができる。
It is preferable that the foam 1 and the
本発明のパッキン材１０を得るためには、まず、シート状あるいはブロック状のフォーム１を製造する。シート状あるいはブロック状のフォーム１の製造は、金型を用いた溶融発泡成形、注型発泡成形などのモールド成形法に、従来一般的な連続気泡性のポリウレタンフォームの製造方法、例えば、公知のプレポリマー法、ワンショット法、部分プレポリマー法等を適用して、行うことができる。また、細かく粉砕したポリウレタンフォームを圧縮し接着剤で固めるリボンデッドフォーム（チップ固め）を製造する方法も適用可能である。その後、接着剤を介して、または介さずに、フォーム１とシート体２とを一体化し、一体化したフォーム１とシート体２との積層体を、打ち抜き成形するなどにより、所望の形状のパッキン材１０を得ることができる。また、所望の形状のフォーム１を成形した後に、その設置面と接する面にシート体２を配置して一体化することによっても、所望の形状の本発明のパッキン材１０を得ることができる。
In order to obtain the
以下、本発明を、実施例を用いてより詳細に説明する。
下記の表中に示す条件に従い、各実施例および比較例のパッキン材を作製した。具体的には、各比較例１，２のパッキン材は、軟質ポリウレタンフォームのみからなり、実施例１～８および比較例３，４のパッキン材は、軟質ポリウレタンフォームとシート体とを、以下に従い一体化することにより、製造した。
Hereinafter, the present invention will be described in more detail with reference to examples.
In accordance with the conditions shown in the following table, packing materials of each example and comparative example were produced. Specifically, the packing materials of Comparative Examples 1 and 2 consist only of a flexible polyurethane foam, and the packing materials of Examples 1 to 8 and Comparative Examples 3 and 4 consist of a flexible polyurethane foam and a sheet body according to the following. Manufactured by integrating.
（実施例１～８および比較例３，４のパッキン材の製造）
下記表中に示す軟質ポリウレタンフォームの、設置面と接する面に、粘着用ラミシート（日本マタイ（株）製，ＵＨ＃２００（ポリウレタン系ホットメルト接着剤），５０μｍ厚）を配置し、さらにその上に、下記表中に示すＰＶＣシート（オカモト（株）製，塩ビフィルム）等を積層した後、１７０℃、０．１ＭＰａ、１０秒でプレスすることで、各実施例および比較例のパッキン材を得た。
(Manufacture of packing materials of Examples 1 to 8 and Comparative Examples 3 and 4)
An adhesive lami sheet (manufactured by Nippon Matai Co., Ltd., UH # 200 (polyurethane hot melt adhesive), 50 μm thick) is placed on the surface of the flexible polyurethane foam shown in the following table that is in contact with the installation surface. After laminating the PVC sheet (made by Okamoto Co., Ltd., PVC film) shown in the following table, etc., the packing material of each example and comparative example is pressed at 170 ° C., 0.1 MPa for 10 seconds. Obtained.
（静摩擦係数評価）
ＪＩＳ ７１２５に準拠して、各実施例および比較例のシート体の、設置面と接する面の静摩擦係数μを評価した。まず、２Ｎウェイト（（株）イマダ製，ＣＯＦ－２Ｎ）の測定面に、ポリエチレンテレフタレート（ＰＥＴ）シート（株式会社フジコー製，商品名ＨＰ－Ａ）を貼り付けた。その後、各実施例および比較例のパッキン材の測定サンプルを、シート体側の面が上面となるよう水平に静置し、この上に、２Ｎウェイトを、ＰＥＴシート貼り付け面が測定サンプルに接するように配置した。ウェイトとフォースゲージ（アイコーエンジニアリング（株）製ＰＰ－ＡＹ５３５７）とを連結して、１００ｍｍ／ｓｅｃの速度でフォースゲージをウェイトと反対方向に走査させ、その際のフォースゲージの張力ＦＭＡＸ値を検出して、静摩擦係数μを、μ＝ＦＭＡＸ／２（Ｎ）により、算出した。
(Static friction coefficient evaluation)
Based on JIS7125, the static friction coefficient (mu) of the surface which contact | connects the installation surface of the sheet body of each Example and a comparative example was evaluated. First, a polyethylene terephthalate (PET) sheet (manufactured by Fujiko Co., Ltd., trade name HP-A) was attached to the measurement surface of a 2N weight (manufactured by Imada Co., Ltd., COF-2N). Then, the measurement sample of the packing material of each Example and Comparative Example is left to stand horizontally so that the surface on the sheet body side becomes the upper surface, and the 2N weight is placed on the measurement sample so that the PET sheet attachment surface is in contact with the measurement sample. Arranged. The weight and force gauge (PP-AY5357 manufactured by Aiko Engineering Co., Ltd.) are connected, and the force gauge is scanned in the direction opposite to the weight at a speed of 100 mm / sec, and the tension FMAX value of the force gauge at that time is detected. The static friction coefficient μ was calculated by μ = FMAX / 2 (N).
（壁紙変色評価）
得られた各実施例および比較例のパッキン材を、シート体側の面が上面となるよう配置し、その上に壁紙（（株）サンゲツ製，＃９９１１，材質：塩化ビニル樹脂）を、その意匠面がシート体と当接するように配置して、パッキン材のフォーム厚みが７５％圧縮されるよう治具にセットした。セットした治具を１００℃の恒温槽にて７日間放置した後、常温で３時間放冷し、治具からパッキン材を開放して、壁紙の表面の色を確認した。目視で変色が認められる場合を×、認められない場合を○とした。
(Wallpaper discoloration evaluation)
The packing materials of each of the examples and comparative examples thus obtained are arranged so that the surface on the sheet body side is the upper surface, and wallpaper (manufactured by Sangetsu Co., Ltd., # 9911, material: vinyl chloride resin) is provided on the design. The surface was placed in contact with the sheet body and set in a jig so that the foam thickness of the packing material was compressed by 75%. The set jig was left in a constant temperature bath at 100 ° C. for 7 days, then allowed to cool at room temperature for 3 hours, the packing material was released from the jig, and the color of the wallpaper surface was confirmed. The case where discoloration was observed visually was rated as x, and the case where discoloration was not recognized was marked as ◯.
（摩擦力評価）
フォームとシート体との積層体を設けた照明器具を、（株）サンゲツ製の塩化ビニル樹脂製の壁紙（＃９９１１）が配置された天井に設置し、照明器具のカバーを外すときの状態で、以下のように評価した。
◎：照明器具がずれることなく、カバーを取り外すことができる。
○：照明器具がずれるが、カバーを取り外すことができる。
これらの結果を、下記の表中に併せて示す。
(Friction force evaluation)
Install the lighting fixture provided with a laminate of foam and sheet on the ceiling where the vinyl chloride resin wallpaper (# 9911) made by Sangetsu Co., Ltd. is placed and remove the cover of the lighting fixture. The evaluation was as follows.
A: The cover can be removed without shifting the lighting fixture.
○: The lighting apparatus is displaced, but the cover can be removed.
These results are also shown in the table below.
＊２）ＴＫＸ：軟質ポリウレタンフォーム（（株）ブリヂストン製，１９ｍｍ厚、密度４０ｋｇ／ｍ３）
＊３～９）オカモト（株）製，塩化ビニル樹脂シート（品番）
＊１０）オカモト（株）製，エチレン・酢酸ビニル共重合樹脂（ＥＶＡ）シート（品番）
＊１１）オカモト（株）製，ウレタンＰＶＣ樹脂シート（品番）
* 2) TKX: Flexible polyurethane foam (manufactured by Bridgestone Corporation, 19 mm thickness, density 40 kg / m 3 )
* 3 to 9) Okamoto Co., Ltd., vinyl chloride resin sheet (part number)
* 10) Okamoto Co., Ltd., ethylene / vinyl acetate copolymer resin (EVA) sheet (part number)
* 11) Okamoto Co., Ltd., urethane PVC resin sheet (part number)
上記表中に示すように、パッキン材を構成する軟質ポリウレタンフォームの、設置面と接する面にＰＶＣシートを配置することで、壁紙の変色が抑制できることが確かめられた。各実施例について、壁紙変色評価後にシート体を確認したところ、シート体は変色しており、これは、フォームから浸み出した汚染成分がシート体でトラップされたことを示しているものと考えられる。また、実施例１～７では、所定の静摩擦係数を有するＰＶＣシートを用いたことで、壁紙の変色を抑制しつつ、良好なグリップ力についても確保されている。 As shown in the above table, it was confirmed that discoloration of the wallpaper could be suppressed by placing a PVC sheet on the surface of the flexible polyurethane foam constituting the packing material in contact with the installation surface. For each example, when the sheet body was confirmed after the wallpaper discoloration evaluation, the sheet body was discolored, which is considered to indicate that the contaminated components that had oozed out of the foam were trapped by the sheet body. It is done. Further, in Examples 1 to 7, by using a PVC sheet having a predetermined static friction coefficient, it is possible to secure a good grip force while suppressing discoloration of the wallpaper.
これに対し、シート体を配置しない比較例１，２では、変色を抑制する効果が得られなかった。また、比較例３，４から、シート体の材質がＥＶＡやウレタンＰＶＣである場合、シート自体からの汚染成分が壁紙に移行するために、やはり壁紙の変色を抑制できないことがわかる。 On the other hand, in Comparative Examples 1 and 2 in which no sheet body is arranged, the effect of suppressing discoloration was not obtained. In addition, it can be seen from Comparative Examples 3 and 4 that when the material of the sheet body is EVA or urethane PVC, the contamination component from the sheet itself is transferred to the wallpaper, so that the discoloration of the wallpaper cannot be suppressed.
１ 軟質ポリウレタンフォーム
２ シート体
１０ パッキン材
Ｗ 設置面
1
Claims (3)
前記軟質ポリウレタンフォームの、設置面と接する面に、塩化ビニル樹脂組成物からなるシート体が配置されてなることを特徴とする照明器具用パッキン材。 It is a packing material for lighting equipment mainly composed of flexible polyurethane foam,
A packing material for a lighting fixture, wherein a sheet body made of a vinyl chloride resin composition is disposed on a surface of the flexible polyurethane foam in contact with an installation surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015208381 | 2015-10-22 | ||
| JP2015-208381 | 2015-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/JP2016/079454 Ceased WO2017068967A1 (en) | 2015-10-22 | 2016-10-04 | Packing material for lighting equipment |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005227392A (en) * | 2004-02-10 | 2005-08-25 | Inoac Corp | Sealing member and method for manufacturing the same |
| JP2009087629A (en) * | 2007-09-28 | 2009-04-23 | Inoac Corp | Packing for lighting equipment |
| JP2009226749A (en) * | 2008-03-24 | 2009-10-08 | Inoac Corp | Resin laminate |
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2016
- 2016-10-04 WO PCT/JP2016/079454 patent/WO2017068967A1/en not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005227392A (en) * | 2004-02-10 | 2005-08-25 | Inoac Corp | Sealing member and method for manufacturing the same |
| JP2009087629A (en) * | 2007-09-28 | 2009-04-23 | Inoac Corp | Packing for lighting equipment |
| JP2009226749A (en) * | 2008-03-24 | 2009-10-08 | Inoac Corp | Resin laminate |
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