JP3631486B2 - Non-combustible negative ion generating material mainly composed of cellulose - Google Patents
Non-combustible negative ion generating material mainly composed of cellulose Download PDFInfo
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Description
【０００１】
【発明の属する技術分野】
この発明は、セルロースを主たる原料とする部材に関し、更に詳しくは、マイナスイオンを発生し、しかも不燃性を有するセルロースを主たる原料とする部材に関する。
【０００２】
【従来の技術】
従来から、紙、木材、繊維布帛等のセルロースを主たる成分とする部材（いわゆるセルロースを含む部材）は、一般に燃え易いものとして、知られている。
特に、建築用材料として利用される場合は、この燃え易いことは大きな欠点となっており、そのために、いわゆる難燃化処理を施した燃えにくい木材、紙、繊維布帛等のセルロースを含む部材が開発されている。
【０００３】
難燃化処理としては、いわゆる、難燃剤を、このようなセルロースを含む部材に、塗布、含浸等の手段で付与することが、通常、行われている。
例えば、木材を例に取ると、現在、行われている難燃化処理技術の一例として、硼酸、硼砂等の水溶性無機化合物を木材中に含浸させる方法がある。
また、他に無機カチオン溶液と無機アニオン溶液との一方を先に含浸させ、他方を後に含浸させる方法がある。
【０００４】
これらの方法は、減圧して浸透（含浸）させたり加圧して浸透（含浸）させたりして、最後に乾燥させるものである。
ちなみに、本発明者は、難燃性の基準を更に高めた不燃性試験（基材加熱炉試験機試験ＩＳＯ１１８２）の基準をクリアできるべく不燃化技術を、先に開発し、セルロースを主たる原料とする部材の一つである不燃木材を対象とした製造方法を既に出願している。（特許文献１参照）
【０００５】
ところで、近年、マイナスイオンの効果が大いに研究され、それが身体に良影響を与えることから、マイナスイオンを発生するための種々の器具が提供されている。
このような器具を使用することなく、不燃木材自体がマイナスイオンを発生するものであれば、建築用材料として利用した場合、防火対策になるだけでなく、生活する環境にマイナスイオンを多く存在させることができ、極めて有用であることに気付いた。
今まで、木材等のセルロースを主たる原料とする不燃性材料であって、しかもマイナスイオンの積極的な発生機能を有する材料は提供されていない。
【０００６】
【特許文献】
特願２００１−３５２４７６
【０００７】
【発明が解決しようとする課題】
本発明は、上記の問題点の解決を意図したものである。
すなわち、本発明の目的は、不燃性であり且つ多くマイナスイオンを発生するセルロースを主たる原料とする不燃性マイナスイオン発生部材を提供するものである。
【０００８】
【課題を解決するための手段】
しかして、本発明者等は、このような課題に対して、鋭意研究を重ねた結果、セルロースを主たる原料とする不燃性部材に対して不燃性を与えるための処理液に、更に植物抽出物質を加えることによって不燃液の定着量を増やし、結果的にマイナスイオンの発生を促進させることができる点を見出し、この知見により、本発明を完成させたものである。
【０００９】
即ち、本発明は、（１）、セルロースを主たる原料とする部材であって、硼酸、硼砂、燐酸、及び植物抽出物質を含む不燃液を付与し乾燥したセルロースを主たる原料とする不燃性マイナスイオン発生部材に存する。
【００１０】
そして、（２）、植物抽出物質がタンニン、カテキン又はリグニンであるセルロースを主たる原料とする不燃性マイナスイオン発生部材に存する。
【００１１】
そしてまた、（３）、硼砂の含有量が不燃液全体の１０〜２０％であり、硼酸の含有量が不燃液全体の１０〜２０％であり、燐酸の含有量が不燃液全体の０．５〜５％であるセルロースを主たる原料とする不燃性マイナスイオン発生部材に存する。
【００１３】
そしてまた、（５）、セルロースを主たる原料とする部材が、紙であって、上記不燃液を含浸させたセルロースを主たる原料とする不燃性マイナスイオン発生部材に存する。
【００１４】
そしてまた、（６）、セルロースを主たる原料とする部材が、繊維布帛であって、上記不燃液を含浸させたセルロースを主たる原料とする不燃性マイナスイオン発生部材に存する。
【００１５】
そしてまた、（７）、セルロースを主たる原料とする部材が、木材であって、上記不燃液を含浸させたセルロースを主たる原料とする不燃性マイナスイオン発生部材に存する。
【００１６】
本発明は、その目的に沿ったものであれば、上記１〜６の中から選ばれた２つ以上を組み合わせた構成も採用可能である。
【００１７】
【発明の実施の形態】
以下、本発明を具体的な実施の形態を挙げ、図面に基づいて説明する。
本発明はセルロース（繊維素）を主たる原料とする部材に対して、ある処理液、すなわち特殊な不燃液を付与したものである。
そのために、不燃性の他にマイナスイオンの発生効果が得られる。
不燃液の付与方法としては、含浸、塗布、噴霧付与等、種々の方法が採用される。
また、セルロースを主たる原料とする部材に対する付与形態も、表面にのみ塗布付与する場合、内部の一定領域まで含浸付与させる場合、内部全領域に含浸付与させる場合等がある。
【００１８】
図１は、一定厚みの木材における付与形態を概略的に示す図であり、（Ａ）は、表面にのみ塗布付与する場合、（Ｂ）は、内部の一定領域まで含浸付与させる場合、（Ｃ）は、内部全領域に含浸付与させる場合である。
また、図２は、シート状の繊維布帛や紙における付与形態を概略的に示す図であり、（Ａ）は、表側片面にのみ塗布付与させる場合、（Ｂ）は、表裏両面に塗布付与させる場合、（Ｃ）は、内部に全領域に含浸付与させる場合である。
【００１９】
本発明で使用する不燃液としては、少なくとも硼砂、硼酸、燐酸、及び植物抽出物質を含む不燃液をいう。
ここで植物抽出物質とはリグニン、カテキン又は、タンニン等が挙げられる。この植物抽出物質は、硼酸等の定着性を向上させるものであり、また硼酸等は木材材質内にあって水の吸放出を活発化させるから、いわゆるレナード効果により結果的にマイナスイオンを発生させる原因となる。
植物抽出物質は、不燃液に含有させた状態で、セルロースを主たる原料とする部材に容易に付与することができる。
また不燃液に、必要に応じて、適宜、有機質系溶脱防止剤、水酸化カリウム、炭酸ナトリウム、フッ化ソーダ等の添加剤を加えることが可能である。
【００２０】
ここで、不燃性を付与するための効果的な観点から、硼砂の含有量が不燃液全体の１０〜２０％（以下、重量％）であり、硼酸の含有量が処理液全体の１０〜２０％であり、燐酸の含有量が不燃液全体の０．５〜５％であることが好ましい。
また、定着性の観点から植物抽出物質は、１〜１０％程度が好ましく、１％未満だと定着性の効果が上がりにくく、１０％を越えると、処理された部材に茶系の発色が濃くなり過ぎる。
なお、不燃液の水の量は多少の変動が可能であるが、その場合、各成分の含有率は、水の増減により同じ比率で増減する。
【００２１】
本発明でいうセルロースを主たる原料とする部材とは、例えば、木材、繊維、紙等が挙げられる。
木材は、不燃液を含浸させることができるものである限り、杉、松、檜等、種々の天然木材に適用可能なものである。
また、繊維布帛は、綿、レーヨン、麻、等があり、その形態として編地、織地、不織布等が採用される。
また、紙としては、包装紙等の片艶紙、ダンボール紙等、種々の紙類が採用される。
これらの木材、繊維布帛、及び紙としては、セルロースを主として含む部材であれば、エンジニアリングウッド、合成木材、合成繊維、及び合成紙にも適用可能である。
【００２２】
【実施例１】
（セルロースを主たる原料とする部材が「木材」の例）
試験木材（杉板）である、１００ｍｍ（縦）×１００ｍｍ（横）×２４ｍｍ（厚さ）を２つ（試験木材Ａ，Ｂ）の作成した。
そして、一方の試験木材Ａに対して不燃性の処理液を付与した。
すなわち、まず上記試験木材Ａを、乾燥容器（新柴設備工業株式会社製）の中にて、加熱温度９０℃で２．５日間乾燥させて、７％の含水率とした（第１乾燥工程）。
【００２３】
次に、試験木材Ａを加減圧用の密閉容器（花山工業株式会社製）に入れ負圧度−１．０ＭＰａまで減圧して４０分間処理した（第１減圧工程）。
その後、減圧された状態のまま、密閉容器の中に７０℃に加熱された不燃液を充填した。
不燃液を充填して、試験木材Ａを浸漬して処理液を含浸させた（第１減圧含浸工程）。
【００２４】
ここで使用した不燃液は、下記の調製によるものである。
不燃液の成分
硼砂 １６．０重量％
硼酸 １４．０重量％
燐酸 ２．０重量％
植物抽出物質（タンニン） ６．６重量％
添加剤（フッ化ソーダ） １．４重量％
水 ６０．０重量％
なお、不燃液は必要に応じた、作業液濃度で含浸される。
【００２５】
次に、そのまま不燃液が充填された密閉容器内を加圧力１．５ＭＰａ、７０℃に維持して６０分間処理した（第１加圧含浸工程）。
次に、不燃液を含浸させた試験木材Ａを、再度、乾燥容器に入れ替え、９０℃の雰囲気で２日間、含水率が２５％まで乾燥させた（第２乾燥工程）。
この乾燥させた試験木材Ａを、また減圧用の密閉容器に入れ、負圧度−１．０ＭＰａまで減圧して４０分間放置した（第２減圧工程）。
その後、減圧された状態のまま、密閉容器の中に、７０℃に加熱された不燃液を充填し、試験木材Ａをその中に浸漬して、不燃液を、再度、含浸させた（第２減圧含浸工程）。
【００２６】
次に、そのまま不燃液が充填された密閉容器内を加圧力１．５ＭＰａ、７０℃に維持し４０分間放置した（第２加圧含浸工程）。
次に、不燃液を含浸させた試験木材Ａを、再度、乾燥容器に入れ替え、９０℃の雰囲気で２日間、含水率が１５％まで乾燥させた（第３乾燥工程）。
【００２７】
【実施例２】
（繊維布帛の例）
試験布（平織綿布、目付５１０ｇ／ｍ２）、２００ｍｍ（縦）×１００ｍｍ（横）×０．２ｍｍ（厚さ）を２枚（試験木材Ａ，Ｂ）作成した。
そして、試験布Ａに対して、不燃液（実施例１で調整したもの）の付与を行った。
すなわち、試験布Ａを上記の不燃液を入れた容器の中に１０分間浸した。
次に、試験布を取り出し加圧ロールで余分な不燃液を絞り取った。
そして、乾燥容器に入れ替え、９０℃の雰囲気で２時間乾燥させた（乾燥後目付５５４ｇ／ｍ２）。
【００２８】
【実施例３】
（紙の例）
試験紙（和紙、１０５ｇ／ｍ２）、３００ｍｍ（縦）×８００ｍｍ（横）×０．１ｍｍ（厚さ）を２枚（試験紙Ａ，Ｂ）作成した。
そして、試験紙Ａに対して、不燃液（実施例１で調整したもの）の付与を行った。
すなわち、試験紙Ａに対して上記の処理液を噴射ノズルから噴出させて塗布した。
そして、乾燥容器に入れ替え、６０℃の雰囲気で２時間乾燥させた（乾燥後、１２２ｇ／ｍ２）。
【００２９】
〔燃焼実験及び低周波数測定実験〕
（燃焼実験）
以上、上記実施例１〜３によって不燃液を付与した試験木材Ａ、試験布Ａ、試験紙Ａと不燃液を付与しない試験木材Ｂ、試験布Ｂ、試験紙Ｂに対して、燃焼実験を行った。
その場合、各試験木材の一部を使って３回（Ａ１，Ａ２，Ａ３，Ｂ１，Ｂ２，Ｂ３）の実験を行った。
表１にその結果を示す。
本発明の不燃液を付与した試験木材Ａ、試験布Ａ、試験紙Ａが、不燃液を付与しないもの比べ、不燃性の点で優れていることが分かる。
【００３０】
（マイナスイオン発生実験）
上記実施例１〜３によって不燃液を付与した試験木材Ａ、試験布Ａ、試験紙Ａと不燃液を付与しない試験木材Ｂ、試験布Ｂ、試験紙Ｂに対して、低周波発信器との周波数共振・共鳴法による低周波数の測定（測定機器；ドイツ製レヨメーターデジタル）を行った。
表２にその結果を示す。
なお、この測定機器では、共振・共鳴の周波数（ヘルツ）が小さいほどマイナスイオンの発生が高いとされている。
以上の他に、植物抽出物質（タンニン）の１％未満、及び１０％を越える場合における不燃液の実験を行ったが、１％未満だと定着性の効果が上がりにくく、１０％を越えると、処理された部材に茶系の発色が濃くなり過ぎることを確認している。
【００３１】
本発明の不燃液を付与した試験木材、試験布、及び試験紙は、不燃液を付与しないもの比べ、共振・共鳴の周波数（ヘルツ）が小さいことが証明された。
以上、本発明を説明したが、本発明は、実施の形態や実施例に限定されることなく、その目的から逸脱しない範囲で、種々の変形例が可能である。
例えば、不燃液のセルロースを主たる原料とする部材に対する付与量は、適宜選択可能である。
また、セルロースを主たる原料とする部材に対する不燃液の付与方法も適宜選択可能である。
【００３２】
【発明の効果】
セルロースを主たる原料とする部材に、硼酸、硼砂、燐酸、及び植物抽出物質を含む不燃液を付与したことで、不燃性となり、且つ多くマイナスイオンを発生するものとなった。
本発明の不燃液は、木材、紙、布帛等のセルロースを主たる原料とする部材であるために、通常、浸透性が良く、含浸させたり、塗布したりすることで、容易に付与される。
【００３３】
【表１】
【表２】
【図面の簡単な説明】
【図１】図１は、木材における付与形態を示し、（Ａ）は、表面にのみ塗布付与する場合、（Ｂ）は、内部の一定領域まで含浸付与させる場合、（Ｃ）は、内部全領域に含浸付与させる場合である。
【図２】図２は、繊維布帛や紙における付与形態を示し、（Ａ）は、片面にのみ塗布付与させる場合、（Ｂ）は、両面に塗布付与させる場合、（Ｃ）は、内部に全領域に含浸付与させる場合である。
【符号の説明】
１…木材
２…繊維布帛，紙
Ｓ…不燃液[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a member using cellulose as a main raw material, and more specifically to a member using cellulose that generates negative ions and has nonflammability as a main raw material.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, members (so-called cellulose-containing members) containing cellulose as a main component, such as paper, wood, and fiber fabrics, are generally known to easily burn.
In particular, when used as a building material, this flammability is a major drawback. For this reason, a member containing cellulose such as wood, paper, fiber fabric, etc., which is not flammable and has been subjected to a so-called flame retardant treatment. Has been developed.
[0003]
As the flame retardant treatment, a so-called flame retardant is usually applied to such a cellulose-containing member by means such as coating or impregnation.
For example, when wood is taken as an example, there is a method in which wood is impregnated with a water-soluble inorganic compound such as boric acid or borax as an example of a flame retardant treatment technique currently in use.
In addition, there is a method in which one of the inorganic cation solution and the inorganic anion solution is impregnated first and the other is impregnated later.
[0004]
In these methods, pressure is reduced and permeated (impregnated), pressure is applied and permeated (impregnated), and finally, drying is performed.
By the way, the present inventor has developed a non-flammability technology that can clear the standard of the non-flammability test (base heating furnace tester test ISO 1182) that further enhances the standard of flame retardancy, and cellulose as the main raw material An application has already been filed for a manufacturing method for non-combustible wood, which is one of the members to be used. (See Patent Document 1)
[0005]
By the way, in recent years, the effect of negative ions has been greatly studied, and since it has a good influence on the body, various instruments for generating negative ions have been provided.
If non-combustible wood itself generates negative ions without using such appliances, it will not only be a fire prevention measure when used as a building material, but will also have a lot of negative ions in the living environment. I found that it was extremely useful.
Up to now, no nonflammable material made mainly of cellulose, such as wood, which has a function of actively generating negative ions has been provided.
[0006]
[Patent Literature]
Japanese Patent Application 2001-352476
[0007]
[Problems to be solved by the invention]
The present invention is intended to solve the above problems.
That is, an object of the present invention is to provide a nonflammable negative ion generating member made mainly of cellulose that is nonflammable and generates many negative ions.
[0008]
[Means for Solving the Problems]
As a result of intensive studies on such problems, the present inventors have further added a plant extract material to the treatment liquid for imparting incombustibility to incombustible members made mainly of cellulose. As a result, it was found that the amount of fixing of the incombustible liquid can be increased by the addition of, and as a result, the generation of negative ions can be promoted. Based on this finding, the present invention has been completed.
[0009]
That is, the present invention is (1) a non-combustible negative ion comprising a cellulose as a main raw material, wherein the main raw material is cellulose obtained by applying a non-combustible liquid containing boric acid, borax, phosphoric acid and a plant extract. It exists in the generating member.
[0010]
And (2) exists in the nonflammable anion generating member which uses the cellulose whose plant extract is tannin, catechin, or lignin as a main raw material.
[0011]
(3) The content of borax is 10 to 20% of the whole incombustible liquid, the content of boric acid is 10 to 20% of the whole incombustible liquid, and the content of phosphoric acid is 0. 0% of the whole incombustible liquid. It exists in the nonflammable anion generating member which uses the cellulose which is 5 to 5% as a main raw material.
[0013]
And (5), the member which uses cellulose as a main raw material is paper, and exists in the nonflammable negative ion generating member which uses cellulose impregnated with the non-flammable liquid as a main raw material.
[0014]
And (6), the member which uses cellulose as a main raw material is a fiber fabric, and exists in the nonflammable negative ion generation member which uses cellulose impregnated with the above-mentioned nonflammable liquid as a main raw material.
[0015]
In addition, (7) the member whose main raw material is cellulose is wood, which is a non-combustible negative ion generating member whose main raw material is cellulose impregnated with the above-mentioned nonflammable liquid.
[0016]
The present invention can employ a configuration in which two or more selected from the above 1 to 6 are combined as long as the purpose is met.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described with reference to the drawings with specific embodiments.
In the present invention, a certain treatment liquid, that is, a special incombustible liquid is applied to a member made mainly of cellulose (fibrin).
Therefore, in addition to nonflammability, an effect of generating negative ions can be obtained.
Various methods such as impregnation, coating, spraying, etc. are employed as the method for applying the incombustible liquid.
In addition, as for the application form for the member mainly composed of cellulose, there are cases where application is applied only to the surface, impregnation is applied up to a certain internal region, impregnation is applied to the entire internal region, and the like.
[0018]
FIG. 1 is a diagram schematically showing a form of application in wood having a constant thickness. (A) shows a case where application is applied only to the surface, (B) shows a case where impregnation is applied up to a constant region inside (C) ) Is a case where impregnation is applied to the entire internal region.
Moreover, FIG. 2 is a figure which shows the application | coating form in a sheet-like fiber fabric and paper schematically, (A) is an application | coating imparting only to one surface side, (B) is an application | coating provision to both front and back surfaces. In the case (C), the entire region is impregnated.
[0019]
The incombustible liquid used in the present invention refers to an incombustible liquid containing at least borax, boric acid, phosphoric acid, and a plant extract.
Here, the plant extract includes lignin, catechin, tannin and the like. This plant extract improves the fixability of boric acid and the like, and boric acid etc. is in the wood material and activates the absorption and release of water, so that negative ions are generated as a result of the so-called Leonard effect. Cause.
The plant extract can be easily applied to a member made mainly of cellulose in a state where it is contained in the incombustible liquid.
Moreover, it is possible to add additives, such as an organic type | system | group leaching inhibitor, potassium hydroxide, sodium carbonate, sodium fluoride, to a nonflammable liquid suitably as needed.
[0020]
Here, from an effective viewpoint for imparting incombustibility, the content of borax is 10 to 20% (hereinafter, wt%) of the entire incombustible liquid, and the content of boric acid is 10 to 20 of the entire treatment liquid. %, And the phosphoric acid content is preferably 0.5 to 5% of the whole incombustible liquid.
From the viewpoint of fixability, the plant extract is preferably about 1 to 10%, and if it is less than 1%, the effect of fixability is difficult to increase, and if it exceeds 10%, the processed material has a dark brown color. Too much.
In addition, although the quantity of the water of an incombustible liquid can change a little, the content rate of each component will increase / decrease by the same ratio by increase / decrease in water in that case.
[0021]
Examples of the member made mainly of cellulose in the present invention include wood, fiber, paper, and the like.
Wood can be applied to various natural woods such as cedar, pine, firewood, etc., as long as it can be impregnated with a nonflammable liquid.
The fiber fabric includes cotton, rayon, hemp, and the like, and knitted fabric, woven fabric, non-woven fabric, etc. are adopted as the form.
As the paper, various papers such as glossy paper such as wrapping paper, cardboard paper, and the like are employed.
These wood, fiber fabric, and paper can be applied to engineering wood, synthetic wood, synthetic fiber, and synthetic paper as long as they are members mainly containing cellulose.
[0022]
[Example 1]
(Examples where the main component of cellulose is “wood”)
Two pieces (test woods A and B) of 100 mm (length) × 100 mm (width) × 24 mm (thickness), which are test wood (cedar board), were prepared.
And the nonflammable processing liquid was provided with respect to one test wood A. FIG.
That is, first, the test wood A was dried in a drying container (manufactured by Shinshiba Equipment Co., Ltd.) for 2.5 days at a heating temperature of 90 ° C. to obtain a moisture content of 7% (first drying step) ).
[0023]
Next, the test wood A was put into an airtight container for pressure increase / decrease (manufactured by Hanayama Kogyo Co., Ltd.), and the pressure was reduced to a negative pressure of −1.0 MPa and treated for 40 minutes (first pressure reduction step).
Then, the incombustible liquid heated at 70 degreeC was filled in the airtight container in the pressure-reduced state.
The incombustible liquid was filled, and the test wood A was immersed to impregnate the treatment liquid (first reduced pressure impregnation step).
[0024]
The incombustible liquid used here is based on the following preparation.
Incombustible component borax 16.0% by weight
Boric acid 14.0% by weight
Phosphoric acid 2.0% by weight
Plant extract (tannin) 6.6% by weight
Additive (sodium fluoride) 1.4% by weight
Water 60.0% by weight
The incombustible liquid is impregnated at a working liquid concentration as required.
[0025]
Next, the inside of the sealed container filled with the incombustible liquid was treated at a pressure of 1.5 MPa and 70 ° C. for 60 minutes (first pressure impregnation step).
Next, the test wood A impregnated with the incombustible liquid was again replaced with a drying container and dried in an atmosphere of 90 ° C. for 2 days to a moisture content of 25% (second drying step).
The dried test wood A was put into a sealed container for pressure reduction, and the pressure was reduced to a negative pressure of −1.0 MPa and left for 40 minutes (second pressure reduction step).
After that, the incombustible liquid heated to 70 ° C. was filled in the sealed container with the pressure reduced, and the test wood A was immersed therein to impregnate the incombustible liquid again (second). Vacuum impregnation step).
[0026]
Next, the inside of the sealed container filled with the incombustible liquid was maintained at a pressure of 1.5 MPa and 70 ° C. and left for 40 minutes (second pressure impregnation step).
Next, the test wood A impregnated with the incombustible liquid was again replaced with a drying container, and dried in an atmosphere of 90 ° C. for 2 days to a moisture content of 15% (third drying step).
[0027]
[Example 2]
(Example of fiber fabric)
Two pieces (test wood A and B) of test cloth (plain woven cotton cloth, basis weight 510 g / m 2 ), 200 mm (length) × 100 mm (width) × 0.2 mm (thickness) were prepared.
And the nonflammable liquid (what was adjusted in Example 1) was provided with respect to the test cloth A. FIG.
That is, the test cloth A was immersed for 10 minutes in a container containing the above-described incombustible liquid.
Next, the test cloth was taken out and excess nonflammable liquid was squeezed out with a pressure roll.
Then, it was replaced with a drying container and dried in an atmosphere at 90 ° C. for 2 hours (weighing 554 g / m 2 after drying).
[0028]
[Example 3]
(Paper example)
Two sheets of test paper (Japanese paper, 105 g / m 2 ), 300 mm (length) × 800 mm (width) × 0.1 mm (thickness) (test papers A and B) were prepared.
And the nonflammable liquid (what was adjusted in Example 1) was provided with respect to the test paper A. FIG.
That is, the treatment liquid was applied to the test paper A by ejecting it from the ejection nozzle.
And it replaced with the dry container and it was made to dry in 60 degreeC atmosphere for 2 hours (after drying, 122 g / m < 2 >).
[0029]
[Combustion experiment and low frequency measurement experiment]
(Combustion experiment)
As described above, the combustion test was performed on the test wood A, the test cloth A, the test paper A, and the test wood B, the test cloth B, and the test paper B that were not provided with the non-flammable liquid. It was.
In that case, three experiments (A1, A2, A3, B1, B2, B3) were performed using a part of each test wood.
Table 1 shows the results.
It can be seen that the test wood A, the test cloth A, and the test paper A to which the incombustible liquid of the present invention has been applied are superior in terms of incombustibility compared to those to which the incombustible liquid is not applied.
[0030]
(Negative ion generation experiment)
For test wood A, test cloth A, test paper A and test wood B, test cloth B, and test paper B to which no incombustible liquid is applied according to Examples 1 to 3, a low frequency transmitter Low frequency measurement by a frequency resonance / resonance method (measuring instrument: Reyometer Digital manufactured in Germany) was performed.
Table 2 shows the results.
In this measuring instrument, it is said that the generation of negative ions is higher as the resonance frequency (hertz) is smaller.
In addition to the above, an experiment was conducted on the incombustible liquid in the case where the plant extract material (tannin) was less than 1% and more than 10%. It has been confirmed that the brown color of the processed member becomes too dark.
[0031]
It was proved that the test wood, the test cloth, and the test paper to which the incombustible liquid of the present invention was applied had lower resonance and resonance frequencies (hertz) than those to which the incombustible liquid was not applied.
Although the present invention has been described above, the present invention is not limited to the embodiments and examples, and various modifications are possible without departing from the scope of the present invention.
For example, the amount applied to a member made mainly of cellulose as a nonflammable liquid can be selected as appropriate.
Moreover, the application | coating method of the nonflammable liquid with respect to the member which uses cellulose as the main raw material can also be selected suitably.
[0032]
【The invention's effect】
By applying a nonflammable liquid containing boric acid, borax, phosphoric acid, and a plant extract to a member made mainly of cellulose, it became nonflammable and generated many negative ions.
Since the incombustible liquid of the present invention is a member made mainly of cellulose, such as wood, paper, and fabric, it is usually easily permeable and easily applied by impregnation or application.
[0033]
[Table 1]
[Table 2]
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 shows an application form in wood, where (A) is applied and applied only to the surface, (B) is impregnated and applied to a certain area inside, and (C) is the entire interior. This is a case where the region is impregnated.
FIG. 2 shows a form of application in a fiber fabric or paper, (A) is applied and applied only on one side, (B) is applied and applied on both sides, and (C) is inside. This is a case where impregnation is applied to the entire region.
[Explanation of symbols]
DESCRIPTION OF
Claims (6)
該不燃液は、硼酸、硼砂及び燐酸を含有するとともに、植物抽出物質を該不燃液全体の１〜１０％含有することを特徴とするセルロースを主たる原料とする不燃性マイナスイオン発生部材。A nonflammable negative ion generating member having cellulose as a main raw material, which is dried by applying a nonflammable liquid to a member having cellulose as a main raw material,
The non- combustible negative ion generating member using cellulose as a main raw material, wherein the non-combustible liquid contains boric acid, borax and phosphoric acid, and contains 1 to 10% of a plant extract material in the total incombustible liquid .
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