JP2013231092A - Flame-retardant resin composition - Google Patents
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本発明は、自動車内の床及びデッキ部のカーペットや、住宅、事務所等の床部のカーペットなどの繊維製品に裏打ち加工することにより、遮水性や強度とともに難燃性を付与できる難燃性樹脂組成物に関するものである。より詳しくは、重金属化合物、ハロゲン化合物やリン系化合物の使用量を削減した難燃性樹脂組成物に関する。 The present invention provides flame retardancy that can impart flame retardancy as well as water barrier properties and strength by lining textile products such as carpets for floors and decks in automobiles and carpets for floors in houses, offices, etc. The present invention relates to a resin composition. More specifically, the present invention relates to a flame retardant resin composition in which the amount of heavy metal compound, halogen compound or phosphorus compound used is reduced.
近年の自動車数の増大や住宅の密集化に伴い、それらの火災に対する対策はきわめて重要である。特に自動車や住宅におけるカーペットなどの内装材についての難燃化の要望は大きく、難燃化技術が種々提案されている。一方、難燃性を有する原材料は何らかの有害性を有しているものが多く、密閉された空間で使用される自動車内装用途においては、有害成分を使用しないか、極力低減させることが強く求められている。 With the recent increase in the number of cars and the concentration of houses, measures against such fires are extremely important. In particular, there is a great demand for flame retardancy of interior materials such as carpets in automobiles and houses, and various flame retarding techniques have been proposed. On the other hand, many flame retardant raw materials have some harmful effects, and in automobile interior applications that are used in sealed spaces, it is strongly required not to use harmful components or to reduce them as much as possible. ing.
特許文献１には、アクリル系樹脂を主成分とする難燃性材料が開示されているが、難燃化剤としてリン系化合物が使用されている。リン系化合物は重金属化合物やハロゲン系化合物よりは安全性が高いと考えられているが、廃棄時の環境への負荷などを考慮すると使用しないか低減させることが好ましい。
本発明の課題は、重金属化合物、ハロゲン化合物やリン系化合物の使用量を低減し、従前の製品と同等以上の難燃性を付与できる難燃性樹脂組成物を提供することである。 The subject of this invention is providing the flame retardant resin composition which can reduce the usage-amount of a heavy metal compound, a halogen compound, and a phosphorus compound, and can provide the flame retardance equivalent to or more than the conventional product.
本発明は樹脂エマルジョン（ａ）、水酸化アルミニウム（ｂ）、水溶性セルロース（ｃ）を含有することを特徴とする難燃性樹脂組成物である。 The present invention is a flame retardant resin composition comprising a resin emulsion (a), aluminum hydroxide (b), and water-soluble cellulose (c).
本発明の難燃性樹脂組成物は、重金属化合物、ハロゲン化合物やリン系化合物の使用量を低減し、従前の製品と同等以上の難燃性を有している。よって、特に密閉された空間で使用され、高温や直射日光にも曝される自動車内装用カーペットなどの繊維材のバッキング用途に適する。 The flame-retardant resin composition of the present invention reduces the amount of heavy metal compound, halogen compound, and phosphorus compound used, and has flame retardancy equal to or higher than that of conventional products. Thus, it is particularly suitable for backing materials for fiber materials such as carpets for automobile interiors that are used in sealed spaces and are also exposed to high temperatures and direct sunlight.
本発明の難燃性樹脂組成物はバインダー成分として、樹脂エマルジョン（ａ）を含有する。樹脂エマルジョンとしては公知のものを使用できるが、難燃性、バインダーとしての耐水性能、ブロッキング防止などの点から、アクリル系樹脂エマルジョンまたはスチレン−ブタジエン系樹脂エマルジョンが好ましい。また、同様な理由でガラス転移温度（Ｔｇ）が２０℃以上であることが好ましい。 The flame retardant resin composition of the present invention contains a resin emulsion (a) as a binder component. Known resin emulsions can be used, but acrylic resin emulsions or styrene-butadiene resin emulsions are preferred from the viewpoints of flame retardancy, water resistance as a binder, prevention of blocking, and the like. For the same reason, the glass transition temperature (Tg) is preferably 20 ° C. or higher.
水酸化アルミニウム（ｂ）は、難燃性を向上させるために使用される。水酸化アルミニウムは他の無機充填材と比較して、より少ない添加量で難燃性を向上できるため、バッキング性能への影響を抑えることができる。前記樹脂エマルジョン（ａ）の固形分１００重量部に対して、水酸化アルミニウムを２５〜５００重量部添加することが好ましい。２５重量部以上とすることで難燃性が顕著に向上し、５００重量部以下とすることでバッキング性能への影響を抑えることができる。 Aluminum hydroxide (b) is used to improve flame retardancy. Since aluminum hydroxide can improve flame retardancy with a smaller amount of addition than other inorganic fillers, the influence on the backing performance can be suppressed. It is preferable to add 25 to 500 parts by weight of aluminum hydroxide with respect to 100 parts by weight of the solid content of the resin emulsion (a). The flame retardancy is remarkably improved by setting it to 25 parts by weight or more, and the influence on the backing performance can be suppressed by setting it to 500 parts by weight or less.
水溶性セルロース（ｃ）は、セルロースを変性することによって水溶化したものであり、具体的にはカルボキシメチルセルロース、ヒドロキシエチルメチルセルロース、メチルセルロース、ヒドロキシプロピルメチルセルロース、水溶性リン酸セルロースなど、およびそれらの混合物が挙げられ、ナトリウム塩などの塩化合物でもよい。本発明においては難燃性を向上させる目的で使用される。単なる炭化水素化合物である水溶性セルロースの添加によって難燃性が向上する理由は明らかではないが、樹脂成膜の際に燃焼を抑制する構造を形成するためと考えられる。
一方、水溶性セルロースには増粘作用もあり、組成物の粘度が高くなりすぎたり貯蔵安定性が低下するおそれがある。よって、エーテル化度が０．５５以上で２％水溶液濃度が９００ｍPa・ｓ以下とすることが好ましく、エーテル化度が０．５５以上で５００ｍPa・ｓ以下とする事がより好ましく、さらに好ましくはエーテル化度が０．６５以上で１００ｍPa・ｓ以下、最も好ましくエーテル化度が０．６５以上で２０ｍPa・ｓ以下である。
前記樹脂エマルジョン（ａ）の固形分１００重量部に対して、水溶性セルロースを３０〜２００重量部添加することが好ましく、３０〜１５０重量部添加することがより好ましい。３０重量部以上とすることで難燃性が顕著に向上し、２００重量部以下とすることで組成物が過剰な増粘を抑制することができる。
The water-soluble cellulose (c) is water-solubilized by modifying cellulose. Specifically, carboxymethyl cellulose, hydroxyethyl methyl cellulose, methyl cellulose, hydroxypropyl methyl cellulose, water-soluble cellulose phosphate and the like and mixtures thereof are used. And may be a salt compound such as a sodium salt. In the present invention, it is used for the purpose of improving flame retardancy. The reason why the flame retardancy is improved by the addition of water-soluble cellulose, which is a simple hydrocarbon compound, is not clear, but is thought to be due to the formation of a structure that suppresses combustion during resin film formation.
On the other hand, water-soluble cellulose also has a thickening action, and there is a possibility that the viscosity of the composition becomes too high or the storage stability is lowered. Therefore, the degree of etherification is preferably 0.55 or more and the 2% aqueous solution concentration is preferably 900 mPa · s or less, more preferably 0.55 or more and 500 mPa · s or less, and still more preferably ether. The degree of conversion is 0.65 or more and 100 mPa · s or less, and most preferably the degree of etherification is 0.65 or more and 20 mPa · s or less.
It is preferable to add 30 to 200 parts by weight of water-soluble cellulose, and more preferably 30 to 150 parts by weight based on 100 parts by weight of the solid content of the resin emulsion (a). By setting it as 30 weight part or more, a flame retardance improves notably, and a composition can suppress excessive thickening by setting it as 200 weight part or less.
さらに、水溶性アルミニウム化合物または亜鉛化合物（ｄ）を前記水溶性セルロース（ｃ）とともに使用することにより、樹脂皮膜の耐水性を向上できる。耐水性が要求される用途においては配合することが好ましい。
アルミニウム化合物としては例えば塩化アルミニウムのように水溶性を有するものが好ましい。なお、前記水酸化アルミニウム（ｂ）は水溶性を有しないため、金属架橋効果が求められる（ｄ）成分としては適さない。亜鉛化合物を用いる場合、必ずしも水溶性を有している必要はなく、酸化亜鉛、酢酸亜鉛、塩基性炭酸亜鉛、硫酸亜鉛などを用いることができる。
Furthermore, the water resistance of the resin film can be improved by using the water-soluble aluminum compound or zinc compound (d) together with the water-soluble cellulose (c). In applications where water resistance is required, blending is preferred.
As the aluminum compound, those having water solubility such as aluminum chloride are preferable. In addition, since the said aluminum hydroxide (b) does not have water solubility, it is not suitable as (d) component by which a metal crosslinking effect is calculated | required. When using a zinc compound, it is not always necessary to have water solubility, and zinc oxide, zinc acetate, basic zinc carbonate, zinc sulfate and the like can be used.
水溶性セルロース（ｃ）に対する水溶性アルミニウム化合物または亜鉛化合物（ｄ）の添加量が過剰になると、水溶性セルロース中の親水性基の金属架橋割合が高くなり、水溶性を喪失してゲル状になってしまい、難燃性が低下する。
したがって、水溶性セルロース（ｃ）の親水性基が一定割合のみ金属架橋するように添加量を調整する必要がある。具体的な添加量は個別に異なるものの、酸化亜鉛を用いる場合、水溶性セルロース１００重量部に対して０．１〜３重量部程度が好ましい。
When the amount of the water-soluble aluminum compound or zinc compound (d) added to the water-soluble cellulose (c) becomes excessive, the metal cross-linking ratio of the hydrophilic group in the water-soluble cellulose increases and the water-solubility is lost to form a gel. It will become, and a flame retardance will fall.
Therefore, it is necessary to adjust the addition amount so that the hydrophilic group of the water-soluble cellulose (c) is metal-crosslinked only by a certain ratio. Although the specific addition amount differs individually, when using zinc oxide, about 0.1-3 weight part is preferable with respect to 100 weight part of water-soluble cellulose.
なお、塩化アルミニウムなどは広義のハロゲン化合物に該当するものの、炭素−ハロゲン結合を有する化合物と比較すれば環境等への影響ははるかに小さく、これらを使用しても本発明の趣旨が損なわれるものではない。 Although aluminum chloride and the like correspond to halogen compounds in a broad sense, they have a much smaller impact on the environment compared to compounds having a carbon-halogen bond, and even if these are used, the gist of the present invention is impaired. is not.
また、エポキシ化合物（ｅ）の添加により、難燃性能をより安定化させることができる。固形分を基準として、前記樹脂エマルジョン（ａ）の１００重量部に対して、エポキシ化合物を５〜３０重量部添加することが好ましい。 Moreover, a flame retardance performance can be stabilized more by addition of an epoxy compound (e). It is preferable to add 5 to 30 parts by weight of an epoxy compound with respect to 100 parts by weight of the resin emulsion (a) based on the solid content.
本発明の難燃性樹脂組成物は、水溶性セルロースを含有するため粘度が高くなりやすい。そこで、ノニルフェノール（ｆ）を添加することによって組成物の粘度が下がり、製造時や使用時の作業性や貯蔵安定性を向上させることができる。固形分を基準として、前記樹脂エマルジョン（ａ）の１００重量部に対して、ノニルフェノールを１〜６重量部添加することが好ましい。 Since the flame retardant resin composition of the present invention contains water-soluble cellulose, the viscosity tends to increase. Therefore, by adding nonylphenol (f), the viscosity of the composition is lowered, and workability and storage stability during production and use can be improved. It is preferable to add 1 to 6 parts by weight of nonylphenol with respect to 100 parts by weight of the resin emulsion (a) based on the solid content.
本発明の難燃性樹脂組成物の好適な用途は、自動車内装用カーペットなどの繊維材のバッキング剤である。このような用途においては、樹脂を発泡させた状態で繊維材に塗工するフロス加工が行われるため、樹脂が泡立ちしやすいように界面活性剤を添加する。しかしながら、水溶性セルロースを含有する場合、通常使用される界面活性剤では泡立ちしにくいことが判明した。そこで本発明者らが検討したところ、ラウリル硫酸ナトリウム（ｇ）を配合することによって樹脂が泡立ちやすくなり、フロス加工に適した性状が得られることを見出した。
前記樹脂エマルジョン（ａ）の固形分１００重量部に対して、ラウリル硫酸ナトリウムを１〜１０重量部添加することが好ましい。
なお、両性界面活性剤でも泡立ちに関しては同様の効果があるものの、加熱乾燥時の臭気が著しいため、ラウリル硫酸ナトリウムが好ましい。
A suitable use of the flame retardant resin composition of the present invention is a backing agent for fiber materials such as carpets for automobile interiors. In such an application, since a flossing process is performed in which the fiber material is applied in a state where the resin is foamed, a surfactant is added so that the resin easily foams. However, it has been found that when a water-soluble cellulose is contained, it is difficult to foam with a commonly used surfactant. Therefore, as a result of investigations by the present inventors, it was found that the resin is easily foamed by adding sodium lauryl sulfate (g), and properties suitable for flossing can be obtained.
It is preferable to add 1 to 10 parts by weight of sodium lauryl sulfate with respect to 100 parts by weight of the solid content of the resin emulsion (a).
In addition, although amphoteric surfactant has the same effect regarding foaming, sodium lauryl sulfate is preferable because of the remarkable odor during heat drying.
本発明の難燃性樹脂組成物には前記必須配合成分の他、本発明の優れた効果を妨げない使用範囲において、さらに各種添加剤を配合できる。例えば、ホウ素系化合物、ジルコニウム系化合物などの難燃剤、ブロックイソシアネートの水溶液又は水分散液などの架橋剤が挙げられる。
また、無機充填剤、分散剤、増粘剤、湿潤剤、発泡剤、整泡剤、消泡剤、顔料、染料、可塑剤、老化防止剤、紫外線吸収剤、防腐剤などが使用できる。
In addition to the above essential components, the flame retardant resin composition of the present invention may further contain various additives within the range of use that does not hinder the excellent effects of the present invention. Examples thereof include flame retardants such as boron compounds and zirconium compounds, and crosslinking agents such as aqueous solutions or aqueous dispersions of blocked isocyanates.
Further, inorganic fillers, dispersants, thickeners, wetting agents, foaming agents, foam stabilizers, antifoaming agents, pigments, dyes, plasticizers, anti-aging agents, ultraviolet absorbers, preservatives and the like can be used.
以上のようにして得られた本発明の難燃性樹脂組成物の固形分、ｐＨ及び粘度は、いずれも特に限定されるものではないが、該組成物の沈降安定性等の観点より、一般に固形分は３０〜７０重量％、好ましくは３０〜６０重量％程度、ｐＨは５〜１０、好ましくは６〜１０、粘度（ＢＭ型粘度計、２０℃、１２ｒｐｍ）は１０００〜１５０００ｍＰａ・ｓ、好ましくは１０００〜１００００ｍＰａ・ｓである。 The solid content, pH, and viscosity of the flame-retardant resin composition of the present invention obtained as described above are not particularly limited, but in general, from the viewpoint of sedimentation stability of the composition, etc. The solid content is 30 to 70% by weight, preferably about 30 to 60% by weight, the pH is 5 to 10, preferably 6 to 10, and the viscosity (BM type viscometer, 20 ° C., 12 rpm) is 1000 to 15000 mPa · s, preferably Is 1000 to 10000 mPa · s.
本発明の難燃性樹脂組成物をカーペット生地などの繊維材のバッキング層として用いることにより、難燃性に優れたカーペットを得ることができる。カーペット生地としては、火災時有害ガスの発生がないもの、防縮加工剤などの処理剤としてホルムアルデヒドを生じることのない処理剤を使用したものであれば特に限定されるものではない。例えば、ポリエステル、ポリプロピレン、ナイロン、アクリルなどの合成繊維、羊毛などの天然繊維又はそれらの混紡が挙げられる。また、本発明の難燃性樹脂組成物をバッキング層としたニードルパンチカーペットに対して、さらに成形性、遮水性を向上させるためにポリエチレンなどの熱可塑性樹脂による溶融押し出しラミネートバッキングが施されている場合でも、有効な難燃性を発現する。 By using the flame retardant resin composition of the present invention as a backing layer of a fiber material such as carpet fabric, a carpet having excellent flame retardancy can be obtained. The carpet fabric is not particularly limited as long as it does not generate a harmful gas at the time of fire and uses a processing agent that does not generate formaldehyde as a processing agent such as a shrink-proofing agent. Examples thereof include synthetic fibers such as polyester, polypropylene, nylon, and acrylic, natural fibers such as wool, and blends thereof. Further, the needle punch carpet having the flame retardant resin composition of the present invention as a backing layer is subjected to a melt extrusion laminate backing with a thermoplastic resin such as polyethylene in order to further improve the moldability and water barrier properties. Even in the case, it exhibits effective flame retardancy.
本発明の難燃性樹脂組成物のバッキング層としての塗布量は、固形分で２５〜３００ｇ／ｍ２、好ましくは３０〜２５０ｇ／ｍ２である。塗布量が２５ｇ／ｍ２未満では、風合いが柔らかくなったり難燃性が不十分となるおそれがあり、３００ｇ／ｍ２を超える場合は粉落ちが生じたり、経済的にも好ましくない。 The coating amount as a backing layer of the flame retardant resin composition of the present invention is 25 to 300 g / m 2 , preferably 30 to 250 g / m 2 in terms of solid content. If the coating amount is less than 25 g / m 2 , the texture may be soft or the flame retardancy may be insufficient, and if it exceeds 300 g / m 2 , powder falling may occur, which is not economically preferable.
以下、本発明について実施例、参考例及び比較例を挙げてより詳細に説明するが、具体例を示すものであって、特にこれらに限定するものではない。 EXAMPLES Hereinafter, although an Example, a reference example, and a comparative example are given and demonstrated in detail about this invention, a specific example is shown and it does not specifically limit to these.
エポキシエマルジョンの調整
エポキシ樹脂であるエピクロン８４０（ＤＩＣ社製、商品名）１００重量部にポリオキシエチレン・ポリオキシプロピレングリコール（第一工業製薬社製、商品名エパン４８５）５重量部、ドデシルベンゼンスルホン酸ナトリウム０．５重量部、水７０重量部を加えよく攪拌混合し、安定なエポキシエマルジョンＡを得た。
Preparation of Epoxy Emulsion Epoxylon 840 (trade name, manufactured by DIC), 100 parts by weight of epoxy resin, 5 parts by weight of polyoxyethylene / polyoxypropylene glycol (trade name, Epan 485, manufactured by Daiichi Kogyo Seiyaku), dodecylbenzenesulfone 0.5 parts by weight of sodium acid and 70 parts by weight of water were added and mixed well with stirring to obtain a stable epoxy emulsion A.
実施例１
アクリル共重合樹脂エマルジョン（アイカ工業社製、固形分４８％、Ｔｇ４７℃、商品名 ウルトラゾールＡ−２５）を固形分で１００重量部、酸化亜鉛（ＪＩＳ Ｋ−１４１０ １種）４重量部、水酸化アルミニウム（日本軽金属社製、商品名 Ｂ−３０３）２５５重量部、エポキシエマルジョンＡを固形分で１４重量部、カルボキシメチルセルロースナトリウム（第一工業製薬社製 商品名 セロゲン５Ａ）８０重量部、ノニルフェノール（第一工業製薬 商品名 ノイゲンＥＡ−１６０）３重量部、泡立て剤としてラウリル硫酸ナトリウム（第一工業製薬社製、商品名 モノゲンＹ−１００）５．５重量部を混合し、さらに水を加えて固形分を４３％に調整することにより、実施例１の難燃性樹脂組成物を得た。
Example 1
100 parts by weight of acrylic copolymer resin emulsion (manufactured by Aika Kogyo Co., Ltd., solid content 48%, Tg 47 ° C., trade name Ultrazol A-25), 4 parts by weight of zinc oxide (JIS K-1410 type 1), water 255 parts by weight of aluminum oxide (manufactured by Nippon Light Metal Co., Ltd., trade name B-303), 14 parts by weight of epoxy emulsion A in solid content, 80 parts by weight of sodium carboxymethyl cellulose (trade name Serogen 5A by Daiichi Kogyo Seiyaku Co., Ltd.), nonylphenol ( Daiichi Kogyo Seiyaku Co., Ltd. trade name Neugen EA-160) 3 parts by weight, sodium lauryl sulfate (Daiichi Kogyo Seiyaku Co., Ltd., trade name Monogen Y-100) 5.5 parts by weight as a foaming agent is mixed, and water is added. The flame retardant resin composition of Example 1 was obtained by adjusting the solid content to 43%.
実施例２〜７、比較例１〜２
実施例１で用いた材料の他、スチレン−ブタジエン系樹脂エマルジョンであるナルスターＳＲ−１００（日本Ａ＆Ｌ社製、固形分５１％、Ｔｇ２７℃、商品名）、ヒドロキシエチルセルロース（住友精化社製 商品名 ＡＬ−１５）、セルロースパウダー（日本製紙ケミカル社製 商品名 ＫＣフロックＷ−３００Ｇ）を用いて、表１記載の配合にて同様に各難燃性樹脂組成物を得た。なお、成分とも固形分を基準とした表記である。
Examples 2-7, Comparative Examples 1-2
In addition to the materials used in Example 1, Nalstar SR-100, which is a styrene-butadiene resin emulsion (manufactured by Japan A & L, solid content 51%, Tg 27 ° C., product name), hydroxyethyl cellulose (manufactured by Sumitomo Seika Co., Ltd.) AL-15) and cellulose powder (trade name KC Flock W-300G manufactured by Nippon Paper Chemicals Co., Ltd.) were used to obtain each flame-retardant resin composition in the same manner as shown in Table 1. In addition, it is the description on the basis of solid content also about a component.
難燃性
ポリエステル製のニードルパンチカーペット（目付２００ｇ／ｍ２）に各難燃性樹脂組成物を発泡させて固形分として５０ｇ／ｍ２塗布し、１７０℃雰囲気下で１０分間乾燥した。これを３５０ｍｍ×２００ｍｍに裁断し、２０℃、６５％ＲＨ雰囲気中で２４時間放置したものを試料とした。
自動車内装分野向け難燃規格であるＦＭＶＳＳ−３０２に従い、作製した試料について水平法により燃焼試験を行なった。試験は４点行い、平均燃焼速度および標準偏差（σ）を評価した。
Flame retardancy Each flame retardant resin composition was foamed on a polyester needle punch carpet (weight per unit: 200 g / m 2 ), applied as a solid content of 50 g / m 2, and dried at 170 ° C. for 10 minutes. The sample was cut into 350 mm × 200 mm and left in a 20 ° C., 65% RH atmosphere for 24 hours as a sample.
In accordance with FMVSS-302, which is a flame retardant standard for the automotive interior field, the produced sample was subjected to a combustion test by a horizontal method. The test was conducted at four points, and the average burning rate and standard deviation (σ) were evaluated.
貯蔵安定性
各難燃性樹脂組成物の初期粘度を測定後、ガラス瓶に封入して４０℃雰囲気下で１ヶ月間保存した後に再度粘度を測定し、保存前の粘度と比較して以下のように評価した。
◎：初期粘度から３０％未満の増粘
○：初期粘度から３０％以上、６０%未満の範囲で増粘
×：初期粘度から６０%以上の増粘
Storage stability After measuring the initial viscosity of each flame retardant resin composition, it was sealed in a glass bottle and stored in an atmosphere at 40 ° C. for 1 month, then the viscosity was measured again, and compared with the viscosity before storage as follows. Evaluated.
A: Thickening less than 30% from initial viscosity B: Thickening from initial viscosity to 30% or more and less than 60% X: Thickening from initial viscosity to 60% or more
フロス加工性試験
各難燃性樹脂水性組成物１５０ｇを１Ｌポリビーカーに量り取り、ハンドミキサー（松下電工社製、形式 ＭＫ−Ｈ３）の目盛りを３にセットして組成物を１２０秒間攪拌し、さらに目盛りを１に切り替えて５秒間攪拌した。すぐに、予め重量を測定しておいた最大容量１４５ｍｌのＰＰカップにすりきりながら移し、１４５ｍｌあたりの組成物の重量を測定することによって発泡比重を測定し、以下のように評価した。
○： 発泡比重が０．３５未満
△： 発泡比重が０．３５以上、０．７０未満
×： 発泡比重が０．７０以上
Floss processability test Weigh 150 g of each flame retardant resin aqueous composition into a 1 L poly beaker, set the scale of a hand mixer (Matsushita Electric Works, Model MK-H3) to 3, and stir the composition for 120 seconds. Further, the scale was switched to 1 and stirred for 5 seconds. Immediately, the foam was transferred to a PP cup having a maximum capacity of 145 ml, which had been weighed in advance, and the specific gravity of foaming was measured by measuring the weight of the composition per 145 ml, and evaluated as follows.
○: Foam specific gravity is less than 0.35 Δ: Foam specific gravity is 0.35 or more and less than 0.70 ×: Foam specific gravity is 0.70 or more
実施例の難燃性樹脂組成物を用いた場合、いずれも燃焼速度は小さく、難燃性は良好であった。また、エポキシ化合物を含有するものは難燃性がより優れ、金属架橋成分を含有するものは燃焼速度のばらつきが抑えられる。
さらに、ノニルフェノールを含有するものは貯蔵安定性がより優れ、ラウリル硫酸ナトリウムを含有するものはフロス加工性にも優れていた。
一方、比較例の難燃性樹脂組成物を用いた場合、いずれも燃焼速度が大きかった。
When the flame retardant resin compositions of the examples were used, the burning rate was low and the flame retardancy was good. Moreover, the thing containing an epoxy compound is more excellent in a flame retardance, and the thing containing a metal crosslinking component can suppress the dispersion | variation in a combustion rate.
Further, those containing nonylphenol were more excellent in storage stability, and those containing sodium lauryl sulfate were also excellent in floss workability.
On the other hand, when the flame retardant resin composition of the comparative example was used, the burning rate was high in all cases.
Claims (7)
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| KR102210648B1 (en) * | 2020-08-20 | 2021-02-03 | 강지숙 | Glass wool panel |
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| CN105369607A (en) * | 2015-12-16 | 2016-03-02 | 常熟绣珀纤维有限公司 | Preparation method of ultrahigh strength polyethylene fiber |
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| JPS5428425B1 (en) * | 1971-06-14 | 1979-09-17 | ||
| JPH0673260A (en) * | 1992-08-27 | 1994-03-15 | Japan Synthetic Rubber Co Ltd | Acrylic foam packing material |
| JPH10237764A (en) * | 1996-12-16 | 1998-09-08 | Takeda Chem Ind Ltd | Aqueous composition of slow burning resin for backing |
| JP2001323094A (en) * | 2000-05-12 | 2001-11-20 | Otsuka Chem Co Ltd | Resin composition of foamed body and method for manufacturing foamed body using the same |
| JP2004339424A (en) * | 2003-05-19 | 2004-12-02 | Nippon Carbide Ind Co Inc | Aqueous acrylic copolymer composition for producing foamed layer |
| JP2005179642A (en) * | 2003-11-26 | 2005-07-07 | Emulsion Technology Co Ltd | Non-halogenic flame-retardant backing material and carpet for vehicle or airplane |
| JP2006143885A (en) * | 2004-11-19 | 2006-06-08 | Gantsu Kasei Kk | Burning-retardant resin water-base composition for backing |
| JP2008239856A (en) * | 2007-03-28 | 2008-10-09 | Gantsu Kasei Kk | Flame-retardant resin aqueous emulsion and method for producing the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5428425B1 (en) * | 1971-06-14 | 1979-09-17 | ||
| JPH0673260A (en) * | 1992-08-27 | 1994-03-15 | Japan Synthetic Rubber Co Ltd | Acrylic foam packing material |
| JPH10237764A (en) * | 1996-12-16 | 1998-09-08 | Takeda Chem Ind Ltd | Aqueous composition of slow burning resin for backing |
| JP2001323094A (en) * | 2000-05-12 | 2001-11-20 | Otsuka Chem Co Ltd | Resin composition of foamed body and method for manufacturing foamed body using the same |
| JP2004339424A (en) * | 2003-05-19 | 2004-12-02 | Nippon Carbide Ind Co Inc | Aqueous acrylic copolymer composition for producing foamed layer |
| JP2005179642A (en) * | 2003-11-26 | 2005-07-07 | Emulsion Technology Co Ltd | Non-halogenic flame-retardant backing material and carpet for vehicle or airplane |
| JP2006143885A (en) * | 2004-11-19 | 2006-06-08 | Gantsu Kasei Kk | Burning-retardant resin water-base composition for backing |
| JP2008239856A (en) * | 2007-03-28 | 2008-10-09 | Gantsu Kasei Kk | Flame-retardant resin aqueous emulsion and method for producing the same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102210648B1 (en) * | 2020-08-20 | 2021-02-03 | 강지숙 | Glass wool panel |
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