JP2003170924A - Flame-retardant container, flame-retardant laminate paper and flame-retardant paper tube - Google Patents
Flame-retardant container, flame-retardant laminate paper and flame-retardant paper tubeInfo
- Publication number
- JP2003170924A JP2003170924A JP2001370863A JP2001370863A JP2003170924A JP 2003170924 A JP2003170924 A JP 2003170924A JP 2001370863 A JP2001370863 A JP 2001370863A JP 2001370863 A JP2001370863 A JP 2001370863A JP 2003170924 A JP2003170924 A JP 2003170924A
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- JP
- Japan
- Prior art keywords
- flame
- retardant
- paper
- container
- guanidine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、難燃容器、難燃積
層紙及び難燃紙管に関する。TECHNICAL FIELD The present invention relates to a flame-retardant container, a flame-retardant laminated paper and a flame-retardant paper tube.
【０００２】[0002]
【従来の技術】従来、紙基材への難燃性付与の方法とし
て、サイズプレス剤に難燃剤を含有させて抄紙段階で難
燃性を付与する方法、抄紙後に、難燃剤を吹き付け、含
浸、刷毛塗り、ローラー塗り、圧入等して難燃性を付与
する方法等が知られている。2. Description of the Related Art Conventionally, as a method of imparting flame retardancy to a paper base material, a method of adding a flame retardant to a size press agent to impart flame retardancy at the papermaking stage, and spraying and impregnating the flame retardant after papermaking There are known methods of imparting flame retardancy by brush painting, roller coating, press fitting, and the like.
【０００３】しかし、抄紙段階での難燃性付与は、小ロ
ットへの対応が困難であり、コスト的にも割高であると
いう問題があった。However, the provision of flame retardancy at the papermaking stage has a problem that it is difficult to cope with small lots and the cost is high.
【０００４】また、いずれの方法で使用される難燃剤
も、紙基材表面への引火を防止する程度の難燃性を付与
することはできるものの、特に厚紙の場合、紙基材への
浸透性が十分でないため、紙基材端面の難燃性が十分で
はなく、壁紙等の建材用紙等、比較的薄い紙を使用する
用途にしか適用できなかった。Although the flame retardant used in any of the methods can impart flame retardancy to the extent that it prevents ignition of the surface of the paper base material, especially in the case of thick paper, it penetrates into the paper base material. Since the property is not sufficient, the flame retardancy of the end surface of the paper base material is not sufficient, and it was only applicable to the use of relatively thin paper such as building material paper such as wallpaper.
【０００５】一方、近年のＰＬ対応要求に応えるべく、
例えば、食品（調理）用容器など、台所等のガスレンジ
付近で使用された場合に、ガスレンジ火炎が容器へ移行
しても、火災を起こすことなく消火する難燃紙容器が求
められていた。On the other hand, in order to meet the recent demand for PL,
For example, when used in the vicinity of a gas stove such as a food (cooking) container in a kitchen, even if a gas stove flame is transferred to the container, a flame-retardant paper container that extinguishes without causing a fire has been demanded. .
【０００６】[0006]
【発明が解決しようとする課題】本発明は、上記従来の
問題に鑑み、紙基材表面は勿論、紙基材内部へも難燃性
を付与し、端面からでる煙への引火を有効に防止しうる
難燃性に優れた紙容器、積層紙及び紙管を提供すること
を目的とする。In view of the above-mentioned conventional problems, the present invention imparts flame retardancy not only to the surface of the paper substrate but also to the inside of the paper substrate, and effectively ignites smoke emitted from the end face. An object of the present invention is to provide a paper container, a laminated paper and a paper tube which have excellent flame retardancy that can be prevented.
【０００７】[0007]
【課題を解決するための手段】本発明者らは、上記課題
を解決すべく鋭意検討した結果、グアニジン系難燃剤
と、界面活性剤を含有する水溶液を用いることにより、
固形分濃度を下げることなく、紙基材への浸透性を高め
られることを見出し、本発明を完成するに至った。Means for Solving the Problems As a result of intensive studies to solve the above problems, the present inventors have found that by using an aqueous solution containing a guanidine flame retardant and a surfactant,
The inventors have found that the permeability to a paper substrate can be enhanced without lowering the solid content concentration, and have completed the present invention.
【０００８】即ち、本発明の難燃容器は、グアニジン系
難燃剤と界面活性剤を含有する水溶液からなる難燃剤組
成物により難燃処理され、該難燃剤組成物含有量が固形
分で５〜２００ｇ／ｍ2である難燃紙を製函してなるこ
とを特徴とする。That is, the flame-retardant container of the present invention is subjected to flame-retardant treatment with a flame-retardant composition comprising an aqueous solution containing a guanidine-based flame retardant and a surfactant, and the content of the flame-retardant composition in solid content is 5 to 5. It is characterized in that it is made of box-shaped flame-retardant paper of 200 g / m 2 .
【０００９】また、本発明の難燃積層紙は、グアニジン
系難燃剤と界面活性剤を含有する水溶液からなる難燃剤
組成物により難燃処理され、該難燃剤組成物含有量が固
形分で５〜２００ｇ／ｍ2である難燃層を少なくとも一
層有することを特徴とする。Further, the flame-retardant laminated paper of the present invention is subjected to flame-retardant treatment with a flame-retardant composition comprising an aqueous solution containing a guanidine-based flame retardant and a surfactant, and the content of the flame-retardant composition is 5 in solid content. It is characterized by having at least one flame retardant layer of about 200 g / m 2 .
【００１０】更に、本発明の難燃紙管は、上記難燃積層
紙よりなることを特徴とする。Further, the flame-retardant paper tube of the present invention is characterized by comprising the above flame-retardant laminated paper.
【００１１】[0011]
【発明の実施の形態】以下、本発明について詳細に説明
する。BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below.
【００１２】本発明で使用する難燃剤組成物は、グアニ
ジン系難燃剤と界面活性剤を含有する水溶液からなる。The flame retardant composition used in the present invention comprises an aqueous solution containing a guanidine flame retardant and a surfactant.
【００１３】グアニジン系難燃剤は、難燃剤としての機
能を有する限り特に制限されないが、例えば、ジシアン
ジアミドと、スルファミン酸アンモニウム、硫酸アンモ
ニウム、燐酸アンモニウム及びホウ酸アンモニウムから
なる群より選ばれた１種以上のアンモニウム塩との反応
混合物や、スルファミン酸グアニジン、硫酸グアニジ
ン、燐酸グアニジン、ホウ酸グアニジン等が挙げられ、
中でも、ジシアンジアミドと、スルファミン酸アンモニ
ウム及び硫酸アンモニウムからなる群より選ばれた１種
以上のアンモニウム塩との反応混合物、並びにスルファ
ミン酸グアニジン及び硫酸グアニジンからなる群より選
ばれた１種以上のグアニジン塩が好ましく用いられる。
更にこれらのグアニジン塩の中でも、紙に加工処理した
ときの紙力保持性に優れる点や高濃度水溶液とした組成
物が調製可能である点で、スルファミン酸グアニジン及
び硫酸グアニジンが好ましく、特にスルファミン酸グア
ニジンが好ましい。The guanidine flame retardant is not particularly limited as long as it has a function as a flame retardant. For example, at least one selected from the group consisting of dicyandiamide and ammonium sulfamate, ammonium sulfate, ammonium phosphate and ammonium borate. Reaction mixtures with ammonium salts, guanidine sulfamate, guanidine sulfate, guanidine phosphate, guanidine borate and the like,
Among them, a reaction mixture of dicyandiamide and one or more ammonium salts selected from the group consisting of ammonium sulfamate and ammonium sulfate, and one or more guanidine salts selected from the group consisting of guanidine sulfamate and guanidine sulfate are preferable. Used.
Further, among these guanidine salts, guanidine sulfamate and guanidine sulfate are preferable, in that they have excellent paper-holding ability when processed into paper and that a composition can be prepared as a high-concentration aqueous solution. Guanidine is preferred.
【００１４】また、上記グアニジン系難燃剤として、上
記反応混合物を用いる場合に、未反応物質や反応副生物
等が少量存在しても、本発明の組成物に特に悪い影響を
及ぼさない。上記反応混合物における純粋グアニジン塩
の濃度は、９０重量％以上であることが好ましく、９５
重量％以上であることが更に好ましい。When the reaction mixture is used as the guanidine flame retardant, even if a small amount of unreacted substances, reaction by-products, etc. are present, the composition of the present invention is not adversely affected. The concentration of pure guanidine salt in the reaction mixture is preferably 90% by weight or more,
More preferably, it is at least wt%.
【００１５】界面活性剤としては水溶性であれば特に限
定されず、例えばメタノール、エタノール、イソプロピ
ルアルコール等のアルコール、モノオレイン酸ポリオキ
シエチレンソルビタン等のソルビタン脂肪酸エステル、
エチレンオキサイドを付加したテトラメチルデシンジオ
ールなどのノニオン系、エーテルカルボン酸系、ジオク
チルスルホ琥珀酸ナトリウムなどのアニオン系、アルキ
ルフェノールエトキシレートなどの高酸化エチレン付加
物系等を好適に使用できる。これらは単独で用いてもよ
いし、２種以上を用いてもよいが、組成物の紙基材への
浸透性を向上させる観点から、アルコール単独、特にイ
ソプロピルアルコール単独、もしくはアルコールとアル
コール以外の界面活性剤の組み合わせ、特にイソプロピ
ルアルコールとアルコール以外の界面活性剤との組み合
わせで用いるのが好ましく、イソプロピルアルコールと
ソルビタン脂肪酸エステルの組み合わせで用いると、難
燃剤分散性向上効果が優れるためより好ましい。The surfactant is not particularly limited as long as it is water-soluble, and examples thereof include alcohols such as methanol, ethanol and isopropyl alcohol, sorbitan fatty acid esters such as polyoxyethylene sorbitan monooleate, and the like.
Nonionic compounds such as tetramethyldecynediol to which ethylene oxide is added, ether carboxylic acid compounds, anionic compounds such as sodium dioctylsulfosuccinate, and highly oxidized ethylene adduct compounds such as alkylphenol ethoxylates can be preferably used. These may be used alone or in combination of two or more, but from the viewpoint of improving the permeability of the composition into the paper substrate, alcohol alone, particularly isopropyl alcohol alone, or alcohol and alcohol other than alcohol may be used. It is preferable to use a combination of surfactants, particularly a combination of isopropyl alcohol and a surfactant other than alcohol, and it is more preferable to use a combination of isopropyl alcohol and sorbitan fatty acid ester because the effect of improving the flame retardant dispersibility is excellent.
【００１６】界面活性剤の含有量は、グアニジン系難燃
剤１００重量部に対して、４〜２００重量部が好まし
く、１６〜２４重量部がより好ましい。４重量部未満で
は、浸透性の向上効果を十分に得られない傾向にあり、
２００重量部を越えるとグアニジン系難燃剤の溶解性、
濃度が低下し、難燃性を十分に得られない傾向にある。The content of the surfactant is preferably 4 to 200 parts by weight, more preferably 16 to 24 parts by weight, based on 100 parts by weight of the guanidine flame retardant. If it is less than 4 parts by weight, the effect of improving the permeability tends to be insufficient,
If it exceeds 200 parts by weight, the solubility of guanidine flame retardant,
The concentration tends to decrease, and flame retardancy tends to be insufficient.
【００１７】また、アルコール以外の界面活性剤を含有
させる場合のアルコール以外の界面活性剤の含有量は、
グアニジン系難燃剤１００重量部に対して、１０重量部
以下が好ましく、４重量部以下がより好ましい。When the surfactant other than alcohol is contained, the content of the surfactant other than alcohol is
It is preferably 10 parts by weight or less, and more preferably 4 parts by weight or less, relative to 100 parts by weight of the guanidine flame retardant.
【００１８】本発明の組成物は、上述したグアニジン系
難燃剤及び界面活性剤を必須成分として含有する水溶液
からなるものであるが、固形分（グアニジン系難燃剤）
濃度を３０〜６０重量％とすることが好ましく、このた
めに、グアニジン系難燃剤１００重量部に対し、水が８
０重量部以上、より好ましくは、９０〜２３５重量部で
ある水溶液とすることが好ましい。The composition of the present invention comprises an aqueous solution containing the above-mentioned guanidine-based flame retardant and a surfactant as essential components, but has a solid content (guanidine-based flame retardant).
It is preferable that the concentration is 30 to 60% by weight, and therefore, 8 parts of water is added to 100 parts by weight of the guanidine flame retardant.
It is preferably 0 parts by weight or more, more preferably 90 to 235 parts by weight.
【００１９】本発明の組成物には、泡の発生を抑えて作
業性を向上させるため、消泡剤を含有させることが好ま
しい。消泡剤としては特に限定されず、公知のものを使
用できるが、例えばシリコーン系、ノニオン系、アセチ
レンジオール系、グリセリン脂肪酸エステル等が挙げら
れる。消泡剤の含有量は、本発明組成物１００重量部に
対して、０．５〜１重量部が好ましい。The composition of the present invention preferably contains an antifoaming agent in order to suppress the generation of bubbles and improve workability. The defoaming agent is not particularly limited and known ones can be used, and examples thereof include silicone type, nonionic type, acetylene diol type and glycerin fatty acid ester. The content of the defoaming agent is preferably 0.5 to 1 part by weight with respect to 100 parts by weight of the composition of the present invention.
【００２０】更に、本発明の組成物には、必要に応じ
て、防錆剤、サイズ剤、紙力増強剤、表面処理剤、その
他の紙処理剤等の他の添加剤を添加することができる。
これらの他の添加剤は、本発明組成物の効果に悪影響を
与えない任意の量で利用可能である。Further, other additives such as a rust preventive, a sizing agent, a paper strengthening agent, a surface treating agent, and other paper treating agents may be added to the composition of the present invention, if necessary. it can.
These other additives can be used in any amount that does not adversely affect the effect of the composition of the present invention.
【００２１】本発明の難燃容器を構成する難燃紙は、上
記難燃剤組成物により難燃処理され、難燃剤組成物含有
量が固形分で５〜２００ｇ／ｍ2、好ましくは５〜２０
ｇ／ｍ2である。難燃剤組成物含有量が固形分で５ｇ／
ｍ2未満では、充分な難燃性を付与することができず、
２００ｇ／ｍ2を越えると紙の強度が低下し、好ましく
ない。The flame-retardant paper constituting the flame-retardant container of the present invention is subjected to flame-retardant treatment with the above flame-retardant composition, and the content of the flame-retardant composition is 5 to 200 g / m 2 in solid content, preferably 5 to 20.
It is g / m 2 . Flame retardant composition content is 5 g / solid
If it is less than m 2 , sufficient flame retardancy cannot be imparted,
If it exceeds 200 g / m 2 , the strength of the paper is lowered, which is not preferable.
【００２２】原紙としては、特に限定されず、一般的に
使用される板紙を選択できる。具体的には、ノーコート
ボール、コートボール等のボール紙（裏鼠、裏白、裏ク
ラフト）、Ａ（コート）マニラ、Ｂ（コート）マニラ等
のマニラボール、カード紙等が挙げられ、耐水性、耐油
性等の各種耐性、光沢、印刷適性、エンボス等の外観美
麗性向上のため、例えば、ＰＥ、ＰＥＴ、ＰＰ、ＥＶ
Ａ、ＰＶＤＣ、ＰＶＣ等の樹脂又は樹脂フィルム、Ａｌ
箔等を、グルー、ドライ、ホットメルト、エクストルー
ジョン等の方法でラミネートしたものでもよい。また、
原紙の坪量も特に限定されないが、特に、坪量１７０〜
４００ｇ／ｍ2の場合に、本発明組成物の効果を顕著に
発現し、好ましい。The base paper is not particularly limited, and a commonly used paperboard can be selected. Specific examples include cardboards such as uncoated balls and coated balls (back rat, back white, back craft), Manila balls such as A (coated) Manila, B (coated) Manila, card paper, etc. , PE, PET, PP, EV to improve various resistance such as oil resistance, gloss, printability, and appearance beauty such as embossing.
Resin or resin film such as A, PVDC, PVC, Al
It may be laminated with foil or the like by a method such as glue, dry, hot melt or extrusion. Also,
The basis weight of the base paper is also not particularly limited, but in particular, the basis weight of 170 to
In the case of 400 g / m 2 , the effect of the composition of the present invention is remarkably exhibited, which is preferable.
【００２３】難燃処理の方法としては種々の方法を採用
することができ、例えば含浸、刷毛塗り、ローラー塗
り、スプレー方式等を挙げることができるが、表面（容
器の表側となる面）の印刷適性を考慮すると、原紙片面
（容器の裏側となる面）への、ダイレクトグラビア、グ
ラビアリバース、マイクログラビア（リバース）等のグ
ラビアコーターによる塗布（コーティング）が好まし
い。この際、一度の処理で、難燃剤組成物含有量が上記
範囲とならない場合には、処理を複数回行えばよい。一
方、容器端面からの発火を有効に防止するためには、デ
ィッピングスクイーズコーター等による含浸法を用いる
のが好ましい。この場合には、表面（容器の表側となる
面）に、印刷を施したフィルム又はコート紙、クラフト
紙等をラミネートすることが好ましい。Various methods can be adopted as the method of flame retarding treatment, and examples thereof include impregnation, brush coating, roller coating, and spraying method, but printing on the surface (the surface on the front side of the container). In consideration of suitability, it is preferable to apply (coat) to one surface of the base paper (the surface to be the back side of the container) by a gravure coater such as direct gravure, gravure reverse, and micro gravure (reverse). At this time, if the content of the flame retardant composition does not fall within the above range in one treatment, the treatment may be performed multiple times. On the other hand, in order to effectively prevent ignition from the end surface of the container, it is preferable to use an impregnation method using a dipping squeeze coater or the like. In this case, it is preferable to laminate a printed film or coated paper, kraft paper or the like on the surface (the surface which becomes the front side of the container).
【００２４】難燃処理後は通常公知の任意の方法により
乾燥すればよく、例えば空気中に放置して乾燥してもよ
く、オーブン等により加熱して乾燥してもよい。After the flame-retardant treatment, it may be dried by any known method, for example, it may be left in the air to be dried, or it may be heated in an oven or the like to be dried.
【００２５】本発明の難燃容器は、従来公知の方法、即
ち印刷、抜き、貼り工程を経て製函される。容器の形状
としては、特に限定されず、折畳式カートン、組立式カ
ートン、複合カートン、特殊カートン等、いずれの形状
でも採用できる。The flame-retardant container of the present invention is manufactured by a conventionally known method, that is, printing, punching and pasting steps. The shape of the container is not particularly limited, and any shape such as a folding carton, an assembling carton, a composite carton, or a special carton can be adopted.
【００２６】本発明の難燃積層紙は、上記難燃剤組成物
により難燃処理され、難燃剤組成物含有量が固形分で５
〜２００ｇ／ｍ2、好ましくは２０〜１５０ｇ／ｍ2であ
る難燃層を少なくとも一層有する。難燃層の難燃剤組成
物含有量が固形分で５ｇ／ｍ 2未満では、充分な難燃性
を付与することができず、２００ｇ／ｍ2を越えると紙
の強度が低下し、好ましくない。The flame-retardant laminated paper of the present invention is the above flame-retardant composition.
Flame-retardant treatment by the flame retardant composition content is 5 in solid content
~ 200g / m2, Preferably 20-150 g / m2And
At least one flame retardant layer. Flame retardant composition of flame retardant layer
Solids content 5g / m 2Below, sufficient flame retardancy
200g / m2Paper over
Is not preferable because the strength of is decreased.
【００２７】難燃積層紙の積層構成は、用途に応じて適
宜設定すればよく、二層構成（最外層／最内層）、三層
以上の構成（最外層／少なくとも一層の中間層／最内
層）のいずれでもよい。難燃層は、一層設けても複数層
設けてもよく、要求される難燃レベルに応じて適宜選択
すればよい。また、難燃層は、最外層、中間層又は中間
層のうち少なくとも一層、最内層のいずれに設けてもよ
いが、印刷適性を考慮すると、中間層又は中間層のうち
少なくとも一層、最内層のいずれかを難燃層とするのが
好ましく、更に、加工適性、耐内容物適性を考慮する
と、中間層又は中間層のうち少なくとも一層を難燃層と
するのが好ましい。The laminated constitution of the flame-retardant laminated paper may be appropriately set according to the application, and it has a two-layer constitution (outermost layer / innermost layer), a constitution of three or more layers (outermost layer / at least one intermediate layer / innermost layer). ) Either. The flame-retardant layer may be provided as a single layer or a plurality of layers, and may be appropriately selected depending on the required flame-retardant level. Further, the flame-retardant layer, at least one of the outermost layer, the intermediate layer or the intermediate layer, may be provided in any of the innermost layer, in view of printability, at least one of the intermediate layer or the intermediate layer, the innermost layer Either of them is preferably used as the flame-retardant layer. Further, in consideration of processability and suitability for contents, it is preferable that at least one of the intermediate layer or the intermediate layer is used as the flame-retardant layer.
【００２８】各層の積層方法は特に限定されず、例えば
エマルジョン接着剤等の接着剤を用いて積層することが
できる。The method of laminating each layer is not particularly limited, and the layers can be laminated using an adhesive such as an emulsion adhesive.
【００２９】難燃処理の方法としては、上述の難燃容器
原紙の場合と同様、種々の方法を採用することができる
が、最外層、最内層への難燃処理は、原紙片面（積層
面）への、ダイレクトグラビア、グラビアリバース、マ
イクログラビア（リバース）等のグラビアコーターによ
る塗布（コーティング）が好ましい。この際、一度の処
理で、難燃剤組成物含有量が上記範囲とならない場合に
は、処理を複数回行えばよい。一方、中間層又は中間層
のうち少なくとも一層への難燃処理は、紙管端面からの
発火を有効に防止するために、ディッピングスクイーズ
コーター等による含浸法を用いるのが好ましい。As the flame-retardant treatment, various methods can be adopted as in the case of the above-mentioned flame-retardant container base paper. However, the flame-retardant treatment to the outermost layer and the innermost layer is performed on one side of the base paper (laminated surface). ) Is preferably applied by a gravure coater such as direct gravure, gravure reverse, or microgravure (reverse). At this time, if the content of the flame retardant composition does not fall within the above range in one treatment, the treatment may be performed multiple times. On the other hand, in order to effectively prevent ignition from the end face of the paper tube, it is preferable to use an impregnation method such as a dipping squeeze coater for the flame retardant treatment of the intermediate layer or at least one of the intermediate layers.
【００３０】以下、本発明の難燃積層紙の各層を構成す
る原紙について、紙管形成用の積層紙を例にして説明す
るが、本発明の難燃積層紙はこれに限定されるものでは
ない。The base paper constituting each layer of the flame-retardant laminated paper of the present invention will be described below by taking a laminated paper for forming a paper tube as an example, but the flame-retardant laminated paper of the present invention is not limited to this. Absent.
【００３１】最外層（紙管の表側となる層）に用いる原
紙としては、耐水性、耐油性等の各種耐性、光沢、印刷
適性、エンボス等の外観美麗性を有するものが好まし
く、例えば、ＰＥ、ＰＥＴ、ＰＰ、ＥＶＡ、ＰＶＤＣ、
ＰＶＣ等の樹脂又は樹脂フィルム、Ａｌ箔等を、グル
ー、ドライ、ホットメルト、エクストルージョン等の方
法で紙基材にラミネートしたラミネート紙、メラミン、
ＰＶＡ等へ含浸した含浸紙等を好適に使用できるが、ク
ラフト紙、ライナー紙、コート紙、アート紙等の一般紙
を使用してもよい。原紙の坪量は特に限定されないが、
特に、坪量５０〜４００ｇ／ｍ2の場合に、本発明組成
物の効果を顕著に発現し、好ましい。The base paper used for the outermost layer (the layer on the front side of the paper tube) is preferably one having various resistances such as water resistance and oil resistance, gloss, printability, and beautiful appearance such as embossing. For example, PE , PET, PP, EVA, PVDC,
Laminated paper obtained by laminating a resin such as PVC or a resin film, an Al foil or the like on a paper base material by a method such as glue, dry, hot melt or extrusion, melamine,
Although impregnated paper impregnated with PVA or the like can be preferably used, general paper such as kraft paper, liner paper, coated paper, art paper and the like may be used. The basis weight of the base paper is not particularly limited,
Particularly, when the basis weight is 50 to 400 g / m 2 , the effect of the composition of the present invention is remarkably exhibited, which is preferable.
【００３２】中間層に用いる原紙としては、特に限定さ
れず、例えばライナー紙、紙管原紙等が挙げられ、複数
の原紙を積層した構成としてもよい。原紙の坪量も特に
限定されないが、特に、坪量１５０〜４００ｇ／ｍ2の
場合に、本発明組成物の効果を顕著に発現し、好まし
い。The base paper used for the intermediate layer is not particularly limited, and examples thereof include liner paper and paper base paper, and a plurality of base papers may be laminated. The basis weight of the base paper is not particularly limited, but a basis weight of 150 to 400 g / m 2 is particularly preferable because the effect of the composition of the present invention is remarkably exhibited.
【００３３】最内層（紙管の表側となる層）に用いる原
紙としては、加工適性、耐内容物適性を有するものが好
ましく、例えば、ＰＥ、ＰＥＴ、ＰＰ、ＥＶＡ、ＰＶＤ
Ｃ、ＰＶＣ等の樹脂又は樹脂フィルム等を、グルー、ド
ライ、ホットメルト、エクストルージョン等の方法で紙
基材にラミネートしたラミネート紙を好適に使用できる
が、クラフト紙、ライナー紙等の一般紙を使用してもよ
い。原紙の坪量は特に限定されないが、特に、坪量５０
〜４００ｇ／ｍ2の場合に、本発明組成物の効果を顕著
に発現し、好ましい。The base paper used for the innermost layer (the layer on the front side of the paper tube) is preferably one having processability and content resistance, for example PE, PET, PP, EVA, PVD.
Laminated paper obtained by laminating a resin such as C or PVC or a resin film on a paper base material by a method such as glue, dry, hot melt, or extrusion can be preferably used, but general paper such as kraft paper and liner paper can be used. May be used. Although the basis weight of the base paper is not particularly limited, the basis weight is 50
In the case of ˜400 g / m 2 , the effect of the composition of the present invention is remarkably exhibited, which is preferable.
【００３４】本発明の難燃紙管は、上記難燃積層紙より
なるが、上記難燃積層紙を構成する各層原紙をそれぞれ
マンドレルに連続的にスパイラル状に巻き付け積層しな
がら筒を作り、これを切断したスパイラル巻き紙管、上
記難燃積層紙を打ち抜いたブランクをマンドレルに巻い
た後、引き抜いて筒状にした平巻き紙管、最内層・中間
層をスパイラル式、最外層を平巻き式で形成したスパイ
ラル・平巻き併用紙管のいずれでもよい。The flame-retardant paper tube of the present invention is made of the above flame-retardant laminated paper, and the respective layer base papers constituting the above flame-retardant laminated paper are continuously wound around the mandrel in a spiral shape to form a tube. A spiral wrapping paper tube cut from the above, a blank punched out of the above flame-retardant laminated paper is wound on a mandrel, and then drawn out into a tubular flat wrapping paper tube, the innermost layer / intermediate layer is a spiral type, and the outermost layer is a flat winding type. Both the spiral and flat-wound paper tubes formed in step 1 may be used.
【００３５】難燃紙管の形状は、特に限定されないが、
一般的には、直径φ２０〜１５０ｍｍ、長さ２０ｍｍ以
上、総厚０．８〜１０．０ｍｍ程度である。Although the shape of the flame-retardant paper tube is not particularly limited,
Generally, the diameter is 20 to 150 mm, the length is 20 mm or more, and the total thickness is 0.8 to 10.0 mm.
【００３６】本発明の難燃紙管は、底部及び／又は蓋部
を設けることにより、管状容器として用いることができ
る。この際、底部、蓋部とも上記難燃積層紙で構成して
もよいが、例えばアルミ、紙、樹脂等を用いて底部、蓋
部を構成してもよい。The flame-retardant paper tube of the present invention can be used as a tubular container by providing a bottom portion and / or a lid portion. At this time, both the bottom and the lid may be made of the flame-retardant laminated paper, but the bottom and the lid may be made of, for example, aluminum, paper, resin or the like.
【００３７】[0037]
【実施例】（難燃剤組成物の製造）グアニジン系難燃剤
水溶液（フラン２０２５Ｂ、大和化学工業（株）製、固
形分５０％）１００重量部（固形分５０重量部）、界面
活性剤としてイソプロピルアルコール（ＩＰＡ）１０重
量部及びソルビタン脂肪酸エステル系界面活性剤（モノ
オレイン酸ポリオキシエチレンソルビタン、商品名「イ
オネットＴ−８０Ｃ」三洋化成工業（株）製）１重量
部、消泡剤としてグリセリン脂肪酸エステル（アワカッ
トＣＰ、藤沢薬品工業（株）製）０．５重量部を混合
し、難燃剤組成物を得た。Example (Production of Flame Retardant Composition) 100 parts by weight of guanidine-based flame retardant aqueous solution (Fran 2025B, manufactured by Daiwa Chemical Industry Co., Ltd., solid content 50%) (solid content 50 parts by weight), isopropyl as a surfactant. 10 parts by weight of alcohol (IPA) and 1 part by weight of sorbitan fatty acid ester-based surfactant (polyoxyethylene sorbitan monooleate, trade name "Ionet T-80C" manufactured by Sanyo Kasei Co., Ltd.), glycerin fatty acid as an antifoaming agent 0.5 parts by weight of ester (Awacat CP, manufactured by Fujisawa Pharmaceutical Co., Ltd.) was mixed to obtain a flame retardant composition.
【００３８】（実施例１〜３、比較例１，２）表１に示
す坪量のマニラ紙又は白ボール紙の片面からバーコータ
ーにより上記難燃剤組成物を塗工し、１００℃で１分乾
燥した後、難燃処理面を内側にして製函し、容器を得
た。(Examples 1 to 3 and Comparative Examples 1 and 2) The above flame retardant composition was coated with a bar coater from one side of a manila paper or a white cardboard having a basis weight shown in Table 1, and 100 ° C. for 1 minute. After drying, the flame-retardant treated surface was placed inside, and a box was made to obtain a container.
【００３９】これらの容器の端にろうそくの炎を３０秒
接触させ、以下の基準で難燃性を評価し、表１に示し
た。
◎：燃焼が認められない。
○：１０秒以内で消火した。
△：１０秒〜３０秒で消火した。
×：消火せず。A candle flame was brought into contact with the ends of these containers for 30 seconds, and the flame retardancy was evaluated according to the following criteria. A: No combustion is observed. ◯: The fire was extinguished within 10 seconds. Δ: Extinguished the fire in 10 to 30 seconds. ×: Not extinguished.
【００４０】（実施例４）表１に示す坪量のマニラ紙又
は白ボール紙に、ディッピングスクイーズコーターによ
り上記難燃剤組成物を塗工し、１００℃で１分乾燥した
後、製函して容器を得、実施例１と同様に難燃性を評価
した。結果を表１に示す。Example 4 The above flame retardant composition was coated on a manila paper or white cardboard having a basis weight shown in Table 1 by a dipping squeeze coater, dried at 100 ° C. for 1 minute, and then box-made. A container was obtained and flame retardancy was evaluated in the same manner as in Example 1. The results are shown in Table 1.
【００４１】[0041]
【表１】 [Table 1]
【００４２】（実施例５〜８、比較例３）ライナー紙
（坪量２１０ｇ／ｍ2）、紙管原紙Ａ（坪量３４０ｇ／
ｍ2）、紙管原紙Ｂ（坪量３４０ｇ／ｍ2）、クラフト紙
（坪量５０ｇ／ｍ2）の順で、マンドレルに連続的にス
パイラル状に巻き付け、エマルジョン接着剤で積層し、
紙管を得た。(Examples 5 to 8 and Comparative Example 3) Liner paper (basis weight 210 g / m 2 ), paper base paper A (basis weight 340 g / m 2 )
m 2 ), paper tube base paper B (basis weight 340 g / m 2 ), kraft paper (basis weight 50 g / m 2 ), wound continuously around the mandrel in a spiral shape, laminated with an emulsion adhesive,
I got a paper tube.
【００４３】尚、各層の難燃処理は、ディッピングスク
イーズコーターにより上記難燃剤組成物を塗工し、１０
０℃で１分乾燥した。The flame-retardant treatment of each layer is carried out by applying the above flame-retardant composition with a dipping squeeze coater and applying 10
It was dried at 0 ° C. for 1 minute.
【００４４】これらの紙管を５０℃で１週間乾燥後、端
部にろうそくの炎を３０秒接触させ、以下の基準で難燃
性を評価し、表２に示した。
◎：ろうそくを離した直後に消火した。
○：１０秒以内で消火した。
△：１０秒〜１分で消火した。
×：消火せず。After drying these paper tubes at 50 ° C. for 1 week, a candle flame was brought into contact with the ends for 30 seconds, and the flame retardancy was evaluated according to the following criteria. A: The fire was extinguished immediately after releasing the candle. ◯: The fire was extinguished within 10 seconds. Δ: Extinguished the fire in 10 seconds to 1 minute. ×: Not extinguished.
【００４５】[0045]
【表２】 [Table 2]
【００４６】[0046]
【発明の効果】以上説明のように、本発明の難燃容器、
難燃積層紙、難燃紙管は、紙基材表面のみならず、紙基
材内部へも難燃性が付与されており、端面からでる煙へ
の引火を有効に防止しうるため、食品（調理）用容器
等、ガスコンロなどの火の近くで使用する可能性のある
ものや、なおかつ断熱性を要求される用途に、好適に使
用できる。As described above, the flame retardant container of the present invention,
The flame-retardant laminated paper and flame-retardant paper tube are provided with flame retardancy not only on the surface of the paper base material but also inside the paper base material, and can effectively prevent ignition of smoke emitted from the end surface, so (Cooking) containers and the like, which may be used near a fire such as a gas stove, and applications where heat insulation is required, can be suitably used.
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 3E060 BC01 BC04 BC08 DA30 4L055 AG34 AG35 AG88 AH26 AH29 BE08 BE10 EA32 FA19 GA05 GA44 GA50 ─────────────────────────────────────────────────── ─── Continued front page F-term (reference) 3E060 BC01 BC04 BC08 DA30 4L055 AG34 AG35 AG88 AH26 AH29 BE08 BE10 EA32 FA19 GA05 GA44 GA50
Claims (7)
する水溶液からなる難燃剤組成物により難燃処理され、
該難燃剤組成物含有量が固形分で５〜２００ｇ／ｍ2で
ある難燃紙を製函してなることを特徴とする難燃容器。1. A flame-retardant treatment with a flame-retardant composition comprising an aqueous solution containing a guanidine-based flame retardant and a surfactant,
A flame-retardant container comprising a box made of flame-retardant paper having a solid content of 5-200 g / m 2 as the flame retardant composition.
剤１００重量部に対し、界面活性剤を４〜２００重量
部、水を７０重量部以上含有することを特徴とする請求
項１に記載の難燃容器。2. The flame retardant composition according to claim 1, which contains 4 to 200 parts by weight of a surfactant and 70 parts by weight or more of water with respect to 100 parts by weight of a guanidine flame retardant. Flame retardant container.
ールであることを特徴とする請求項１または２に記載の
難燃容器。3. The flame-retardant container according to claim 1 or 2, wherein the surfactant is isopropyl alcohol.
する水溶液からなる難燃剤組成物により難燃処理され、
該難燃剤組成物含有量が固形分で５〜２００ｇ／ｍ2で
ある難燃層を少なくとも一層有することを特徴とする難
燃積層紙。4. Flame-retardant treatment with a flame-retardant composition comprising an aqueous solution containing a guanidine-based flame retardant and a surfactant,
A flame-retardant laminated paper comprising at least one flame-retardant layer having a solid content of 5-200 g / m 2 as the flame retardant composition.
剤１００重量部に対し、界面活性剤を４〜２００重量
部、水を７０重量部以上含有することを特徴とする請求
項４に記載の難燃積層紙。5. The flame retardant composition according to claim 4, which contains 4-200 parts by weight of a surfactant and 70 parts by weight or more of water with respect to 100 parts by weight of a guanidine flame retardant. Flame retardant laminated paper.
ールであることを特徴とする請求項４または５に記載の
難燃積層紙。6. The flame-retardant laminated paper according to claim 4, wherein the surfactant is isopropyl alcohol.
層紙よりなることを特徴とする難燃紙管。7. A flame-retardant paper tube comprising the flame-retardant laminated paper according to claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001370863A JP2003170924A (en) | 2001-12-05 | 2001-12-05 | Flame-retardant container, flame-retardant laminate paper and flame-retardant paper tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001370863A JP2003170924A (en) | 2001-12-05 | 2001-12-05 | Flame-retardant container, flame-retardant laminate paper and flame-retardant paper tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003170924A true JP2003170924A (en) | 2003-06-17 |
Family
ID=19180022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001370863A Pending JP2003170924A (en) | 2001-12-05 | 2001-12-05 | Flame-retardant container, flame-retardant laminate paper and flame-retardant paper tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003170924A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010078215A (en) * | 2008-09-25 | 2010-04-08 | Asahi Kasei Chemicals Corp | Ignitable container including at least two layers |
| CN106476360A (en) * | 2016-10-14 | 2017-03-08 | 广东皇田环保科技有限公司 | Fire-retardant exempt from paint solid wood board |
| CN110819297A (en) * | 2019-12-12 | 2020-02-21 | 中电保力（北京）科技有限公司 | Condensed type heat-conducting pouring sealant capable of being quickly vulcanized at room temperature and preparation method thereof |
-
2001
- 2001-12-05 JP JP2001370863A patent/JP2003170924A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010078215A (en) * | 2008-09-25 | 2010-04-08 | Asahi Kasei Chemicals Corp | Ignitable container including at least two layers |
| CN106476360A (en) * | 2016-10-14 | 2017-03-08 | 广东皇田环保科技有限公司 | Fire-retardant exempt from paint solid wood board |
| CN110819297A (en) * | 2019-12-12 | 2020-02-21 | 中电保力（北京）科技有限公司 | Condensed type heat-conducting pouring sealant capable of being quickly vulcanized at room temperature and preparation method thereof |
| CN110819297B (en) * | 2019-12-12 | 2021-06-22 | 中电保力（北京）科技有限公司 | Condensed type heat-conducting pouring sealant capable of being quickly vulcanized at room temperature and preparation method thereof |
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