JP2009167326A - Flame retardant foamed synthetic resin material and molding method for it - Google Patents
Flame retardant foamed synthetic resin material and molding method for it Download PDFInfo
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- JP2009167326A JP2009167326A JP2008008405A JP2008008405A JP2009167326A JP 2009167326 A JP2009167326 A JP 2009167326A JP 2008008405 A JP2008008405 A JP 2008008405A JP 2008008405 A JP2008008405 A JP 2008008405A JP 2009167326 A JP2009167326 A JP 2009167326A
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本発明は、家屋等の建築物の壁部に断熱材として施工するのに適した発泡合成樹脂材およびその成型方法に関し、特に火災発生時に燃えにくい特性を発揮できるようにした難燃性発泡合成樹脂材およびその成型方法に関する。 The present invention relates to a foamed synthetic resin material suitable for construction as a heat insulating material on a wall of a building such as a house, and a molding method thereof, and more particularly, a flame-retardant foamed synthetic material capable of exhibiting a property that does not easily burn when a fire occurs The present invention relates to a resin material and a molding method thereof.
一般に、建築物の壁部内面には、図１に示すように、複数の種類の液体を混合させるスプレーガン１を用いて、液状合成樹脂材と発泡剤との混合物を吹き付けて硬化させることにより、発泡合成樹脂材の断熱層２を形成することが行われている。
そして、上記合成樹脂材としてはポリウレタン樹脂が用いられ、これに水酸化アルミニウムおよび膨張黒鉛と、リン系難燃剤とを含ませた組成とすることにより、防火のための難燃性が得られるように配慮されている。
しかしながら、上述のような組成では、高難燃性の基準を満たすために大量の水酸化アルミニウムを添加しなければならず、これに伴い混合時に良好な発泡が行われなくなって、本来必要とされる断熱性の確保が困難になるという不具合がある。
また、難燃性の建築材や造型物の製作に際しても、難燃性の確保と発泡による軽量化のために、同様の問題点を生じている。
As the synthetic resin material, a polyurethane resin is used. By making the composition contain aluminum hydroxide and expanded graphite and a phosphorus-based flame retardant, flame resistance for fire prevention can be obtained. Is considered.
However, in the composition as described above, a large amount of aluminum hydroxide must be added in order to satisfy the high flame retardant standard. There is a problem that it is difficult to ensure heat insulation.
Further, when manufacturing flame-retardant building materials and moldings, the same problems are caused in order to ensure flame retardancy and reduce weight by foaming.
本発明は、ポリウレタン樹脂を主成分とする発泡合成樹脂材において、その組成に工夫を加えることにより、水酸化アルミニウムを大量に加えなくても高難燃性が得られるようになる点に着目して、十分な難燃性を確保しながら発泡による断熱性の向上も図れるようにした、難燃性発泡合成樹脂材およびその成型方法を提供することを課題とする。 The present invention focuses on the point that high flame retardancy can be obtained without adding a large amount of aluminum hydroxide by modifying the composition of the foamed synthetic resin material mainly composed of polyurethane resin. Thus, an object of the present invention is to provide a flame-retardant foamed synthetic resin material and a molding method thereof which can improve heat insulation by foaming while ensuring sufficient flame retardancy.
前述の課題を解決するため、本発明の難燃性発泡合成樹脂材は、ポリウレタン樹脂を主成分として、水酸化アルミニウムが含まれるとともに、被覆型ポリ燐酸アンモニウムと加熱時に膨張する黒鉛とが含まれていることを特徴としている。 In order to solve the above-mentioned problems, the flame-retardant foamed synthetic resin material of the present invention contains a polyurethane resin as a main component and contains aluminum hydroxide, and also includes coated ammonium phosphate and graphite that expands when heated. It is characterized by having.
また、本発明の難燃性発泡合成樹脂材は、上記ポリウレタン樹脂に対し、上記の水酸化アルミニウム，被覆型ポリ燐酸アンモニウムおよび黒鉛が、次の重量割合で含まれていることを特徴としている。
ポリウレタン樹脂 １００
水酸化アルミニウム ５〜３０
被覆型ポリ燐酸アンモニウム ５〜３０
黒鉛 ２〜５
In addition, the flame-retardant foamed synthetic resin material of the present invention is characterized in that the above-mentioned polyurethane resin contains the above-mentioned aluminum hydroxide, coated ammonium polyphosphate and graphite in the following weight ratio.
Aluminum hydroxide 5-30
Coated ammonium polyphosphate 5-30
Graphite 2-5
また、本発明の難燃性発泡合成樹脂材は、請求項２に記載のものにおいて、さらにペンタエリスリトールが１〜５の重量割合で含まれていることを特徴としている。
The flame-retardant foamed synthetic resin material of the present invention is characterized in that pentaerythritol is further contained in a weight ratio of 1 to 5 in the material according to
さらに、本発明の難燃性発泡合成樹脂材の成型方法は、ポリウレタン樹脂（重量割合１００）に対し、水酸化アルミニウムの粉末（重量割合５〜３０）と、被覆型ポリ燐酸アンモニウムの粉末（重量割合５〜３０）と、加熱時に膨張する黒鉛の粉末（重量割合２〜５）とを配合するとともに、発泡剤（重量割合１〜５）を加えて発泡硬化させることを特徴としている。 Furthermore, the molding method of the flame-retardant foamed synthetic resin material of the present invention is based on polyurethane resin (weight ratio 100), aluminum hydroxide powder (weight ratio 5-30), and coated ammonium polyphosphate powder (weight). The ratio 5-30) and graphite powder that expands when heated (weight ratio 2-5) are blended, and a foaming agent (weight ratio 1-5) is added and foam-cured.
また、本発明の難燃性発泡合成樹脂材の成型方法は、請求項４に記載の方法において、さらにペンタエリスリトールを１〜５の重量割合で配合して発泡硬化させることを特徴としている。
Moreover, the molding method of the flame-retardant foam synthetic resin material of the present invention is characterized in that, in the method according to
上述の本発明の難燃性発泡合成樹脂材では、ポリウレタン樹脂を主成分とした発泡合成樹脂材において、水酸化アルミニウムが含まれるとともに、被覆型ポリ燐酸アンモニウムと加熱時に膨張する黒鉛とが含まれているので、高度の難燃性を得ることが可能となる。 In the flame-retardant foamed synthetic resin material of the present invention described above, the foamed synthetic resin material containing polyurethane resin as the main component contains aluminum hydroxide, and also includes coated ammonium phosphate and graphite that expands when heated. Therefore, it becomes possible to obtain a high degree of flame retardancy.
そして、上記難燃性発泡合成樹脂材が、重量割合で、ポリウレタン樹脂１００に対し、水酸化アルミニウム５〜３０，被覆型ポリ燐酸アンモニウム５〜３０および黒鉛２〜５を含むことにより、著しく高い難燃性が得られるようになる。
And the said flame-retardant foaming synthetic resin material is remarkably high difficulty by containing 5-30 aluminum hydroxide, 5-30 coating-type ammonium polyphosphate, and graphite 2-5 with respect to the
さらに、上記難燃性発泡合成樹脂材が、ポリウレタン樹脂に対し上述の重量割合で含まれる水酸化アルミニウム，被覆型ポリ燐酸アンモニウムおよび黒鉛のほかに、ペンタエリスリトールを１〜５の重量割合で含むことにより、その難燃性が一層高められるようになる。 Furthermore, the flame retardant foamed synthetic resin material contains pentaerythritol in a weight ratio of 1 to 5 in addition to aluminum hydroxide, coated ammonium polyphosphate and graphite contained in the above weight ratio with respect to the polyurethane resin. Thus, the flame retardancy is further enhanced.
また、本発明の難燃性発泡合成樹脂材の成型方法では、ポリウレタン樹脂（重量割合１００）に対し、水酸化アルミニウムの粉末（重量割合５〜３０）と、被覆型ポリ燐酸アンモニウムの粉末（重量割合５〜３０）と、加熱時に膨張する黒鉛の粉末（重量割合２〜５）とを配合するとともに、発泡剤（重量割合１〜５）を加えて発泡硬化させることにより、素材内における十分な微粒発泡が適切に行われるようになって、高質の難燃性発泡合成樹脂材の成型加工が行われるようになる。 Moreover, in the molding method of the flame-retardant foam synthetic resin material of the present invention, a powder of aluminum hydroxide (weight ratio of 5 to 30) and a powder of coated ammonium polyphosphate (weight) with respect to the polyurethane resin (weight ratio of 100). By blending a ratio 5-30) and graphite powder that expands upon heating (weight ratio 2-5) and adding a foaming agent (weight ratio 1-5) to cure by foaming, sufficient in the material Fine foaming is appropriately performed, and molding processing of a high-quality flame-retardant foamed synthetic resin material is performed.
さらに、上述の難燃性発泡合成樹脂材の成型方法において、その成分配合の際に、難燃性を助勢するためのペンタエリスリトールを１〜５の重量割合で付加して発泡硬化を行わせることにより、さらに高度の難燃性を有する発泡合成樹脂材の成型加工が可能になる。 Furthermore, in the molding method of the above-mentioned flame-retardant foamed synthetic resin material, when the components are blended, pentaerythritol for supporting flame retardancy is added at a weight ratio of 1 to 5 to cause foam curing. This makes it possible to mold a foamed synthetic resin material having a higher degree of flame retardancy.
このようにして、本発明の難燃性発泡合成樹脂材およびその成型方法によれば、建築物の施工現場での複数液混合型スプレーガンによる断熱材の装着のための工事や、不燃性の建築材，造形物等の成型加工が、適切に行われるようになる利点が得られる。 Thus, according to the flame-retardant foamed synthetic resin material and the molding method thereof of the present invention, the construction for installing the heat insulating material by the multiple liquid mixed type spray gun at the construction site of the building and the nonflammable There is an advantage that molding processing of a building material, a modeled object, and the like is appropriately performed.
本実施例の難燃性発泡合成樹脂材は、ポリウレタン樹脂を主成分として、水酸化アルミニウムが含まれるとともに、被覆型ポリ燐酸アンモニウムと加熱時に膨張する黒鉛とが含まれており、その組成の重量割合において、ポリウレタン樹脂１００に対し、水酸化アルミニウム５〜３０、被覆型ポリ燐酸アンモニウム５〜３０および黒鉛２〜５となっている。
そして、要すれば、さらにペンタエリスリトールが１〜５の重量割合で含まれる。
The flame-retardant foamed synthetic resin material of this example contains a polyurethane resin as a main component, contains aluminum hydroxide, and contains coated ammonium polyphosphate and graphite that expands when heated, and the weight of the composition. In terms of the ratio, the
And if necessary, pentaerythritol is further contained in a weight ratio of 1 to 5.
また、図３に示すような建築材３の成型加工に際しては、ポリウレタン樹脂（重量割合１００）に対し、水酸化アルミニウムの粉末（重量割合５〜３０）と、被覆型ポリ燐酸アンモニウムの粉末（重量割合５〜３０）と、加熱時に膨張する黒鉛の粉末（重量割合２〜５）とを配合するとともに、発泡剤（重量割合１〜５）を加えて発泡硬化させることが行われる。
Further, in the molding process of the
その際、要すれば、さらにペンタエリスリトールを１〜５の重量割合で配合して発泡硬化させることが行われる。 At that time, if necessary, further, pentaerythritol is further blended at a weight ratio of 1 to 5 and foam-cured.
上述の本実施例の難燃性発泡合成樹脂材では、ポリウレタン樹脂を主成分とした発泡合成樹脂材において、水酸化アルミニウムが含まれるとともに、被覆型ポリ燐酸アンモニウムと加熱時に膨張する黒鉛とが含まれているので、高度の難燃性を得ることが可能となる。 In the above-mentioned flame-retardant foamed synthetic resin material of the present embodiment, the foamed synthetic resin material mainly composed of polyurethane resin contains aluminum hydroxide, and also includes coated ammonium phosphate and graphite that expands when heated. Therefore, it is possible to obtain a high degree of flame retardancy.
そして、上記難燃性発泡合成樹脂材が、重量割合で、ポリウレタン樹脂１００に対し、水酸化アルミニウム５〜３０，被覆型ポリ燐酸アンモニウム５〜３０および黒鉛２〜５を含むことにより、著しく高い難燃性が得られるようになる。
And the said flame-retardant foaming synthetic resin material is remarkably high difficulty by containing 5-30 aluminum hydroxide, 5-30 coating-type ammonium polyphosphate, and graphite 2-5 with respect to the
さらに、難燃性発泡合成樹脂材が、ポリウレタン樹脂に対し上述の重量割合で含まれる水酸化アルミニウム，被覆型ポリ燐酸アンモニウムおよび黒鉛のほかに、ペンタエリスリトールを１〜５の重量割合で含むことにより、その難燃性が一層高められるようになる。 Furthermore, the flame retardant foamed synthetic resin material contains pentaerythritol in a weight ratio of 1 to 5 in addition to aluminum hydroxide, coated ammonium polyphosphate and graphite contained in the above weight ratio with respect to the polyurethane resin. The flame retardancy is further enhanced.
また、本発明の難燃性発泡合成樹脂材の成型方法では、ポリウレタン樹脂（重量割合１００）に対し、水酸化アルミニウムの粉末（重量割合５〜３０）と、被覆型ポリ燐酸アンモニウムの粉末（重量割合５〜３０）と、加熱時に膨張する黒鉛の粉末（重量割合２〜５）とを配合するとともに、発泡剤（重量割合１〜５）を加えて発泡硬化させることにより、素材内における十分な微粒発泡が適切に行われるようになって、高質の難燃性発泡合成樹脂材の成型加工が行われるようになる。 Moreover, in the molding method of the flame-retardant foam synthetic resin material of the present invention, a powder of aluminum hydroxide (weight ratio of 5 to 30) and a powder of coated ammonium polyphosphate (weight) with respect to the polyurethane resin (weight ratio of 100). By blending a ratio 5-30) and graphite powder that expands upon heating (weight ratio 2-5) and adding a foaming agent (weight ratio 1-5) to cure by foaming, sufficient in the material Fine foaming is appropriately performed, and molding processing of a high-quality flame-retardant foamed synthetic resin material is performed.
さらに、上述の難燃性発泡合成樹脂材の成型方法において、その成分配合の際に、難燃性を助勢するためのペンタエリスリトールを１〜５の重量割合で付加して発泡硬化を行わせることにより、さらに高度の難燃性を有する発泡合成樹脂材の成型加工が可能になる。 Furthermore, in the molding method of the above-mentioned flame-retardant foamed synthetic resin material, when the components are blended, pentaerythritol for supporting flame retardancy is added at a weight ratio of 1 to 5 to cause foam curing. This makes it possible to mold a foamed synthetic resin material having a higher degree of flame retardancy.
このようにして、本実施例の難燃性発泡合成樹脂材およびその成型方法によれば、建築物の施工現場での複数液混合型スプレーガンによる断熱材の装着のための工事や、不燃性の建築材，造形物等の成型加工が、適切に行われるようになる利点が得られる。 Thus, according to the flame-retardant foamed synthetic resin material and its molding method of the present embodiment, construction for installation of heat insulating material by a multi-liquid mixed type spray gun at the construction site of the building, and nonflammability There is an advantage that the molding processing of the building material, the modeled article, etc. is appropriately performed.
なお、図２は本実施例の難燃性発泡合成樹脂材を１０ｍｍ厚の平板として、表面加熱試験を実施した際の裏面温度の測定結果を示しており、十分な耐火性を実現できることが立証されている。 In addition, FIG. 2 shows the measurement result of the back surface temperature when the surface heating test is performed with the flame-retardant foamed synthetic resin material of this example as a 10 mm thick flat plate, and it is proved that sufficient fire resistance can be realized. Has been.
１ 複数液混合型スプレーガン
２ 断熱層
３ 建築材
1 Multi-component mixed
Claims (5)
ポリウレタン樹脂 １００
水酸化アルミニウム ５〜３０
被覆型ポリ燐酸アンモニウム ５〜３０
黒鉛 ２〜５ 2. The flame-retardant foamed synthetic resin material according to claim 1, wherein the polyurethane resin contains the aluminum hydroxide, the coated ammonium polyphosphate, and the graphite in the following weight ratio.
Polyurethane resin 100
Aluminum hydroxide 5-30
Coated ammonium polyphosphate 5-30
Graphite 2-5
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Cited By (2)
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| RU2476470C1 (en) * | 2012-02-16 | 2013-02-27 | Общество с ограниченной ответственностью "Компания "Эластомер" | Polyurethane composition for low flammability coatings |
| JP2015530470A (en) * | 2012-10-05 | 2015-10-15 | ドクトル ナイトリンガー ホールディング ゲーエムベーハー | Thermally conductive polymer and resin composition for producing the same |
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