JPH07107532B2 - Oxygen indicator - Google Patents
Oxygen indicatorInfo
- Publication number
- JPH07107532B2 JPH07107532B2 JP20745288A JP20745288A JPH07107532B2 JP H07107532 B2 JPH07107532 B2 JP H07107532B2 JP 20745288 A JP20745288 A JP 20745288A JP 20745288 A JP20745288 A JP 20745288A JP H07107532 B2 JPH07107532 B2 JP H07107532B2
- Authority
- JP
- Japan
- Prior art keywords
- oxygen
- indicator
- oxygen indicator
- drug
- coating
- 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.)
- Expired - Lifetime
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は酸素インジケーターに関する。FIELD OF THE INVENTION This invention relates to oxygen indicators.
更に詳しくは、特定の担体に酸素検知能を有する薬剤を
付与せしめた酸素インジケーターに関する。More specifically, it relates to an oxygen indicator in which a drug having an oxygen detection ability is added to a specific carrier.
従来の技術 近年各種の脱酸素剤が開発され食品の保管、金属の防錆
保管、衣類の防虫保管等無酸素管理に利用されているが
それらにおいては酸素の有無が簡単に確認できるように
酸素の有無を検出するための酸素インジケーターが併用
されている。2. Description of the Related Art Recently, various oxygen absorbers have been developed and used for oxygen-free management such as food storage, metal anti-corrosion storage, clothing insect protection storage, etc. An oxygen indicator is also used to detect the presence or absence of.
従来酸素インジケーターとしては酸素の有無を検知する
能力のある薬剤を賦型剤と共に錠剤に成型したものある
いは前記したような薬剤を不織布等に含浸させシート状
に加工したもの等が見られる。Conventionally, as an oxygen indicator, there are seen a tablet having a drug having the ability to detect the presence or absence of oxygen and a tablet, or a sheet processed by impregnating a non-woven fabric with the drug as described above.
発明が解決しようとする課題 錠剤型のインジケーターは、酸素の有無を検出する能力
のある薬剤及び賦型剤等からなる混合物を打錠機で打錠
し、製造されるが量的に多く用いられる糖類、結晶セル
ロース、水酸化カルシウム等の賦型剤のために色相が不
鮮明になり易く、そのような錠剤型のインジケーターは
薬（くすり）を連想させるため、食品関係に用いた場
合、違和感を惹起させる欠点がある。DISCLOSURE OF THE INVENTION PROBLEM TO BE SOLVED BY THE INVENTION A tablet-type indicator is manufactured by tableting a mixture of a drug capable of detecting the presence or absence of oxygen and a excipient with a tableting machine, but is often used in quantity. Hue tends to become unclear due to excipients such as saccharides, crystalline cellulose, and calcium hydroxide, and such tablet-type indicators are reminiscent of medicines (medicine), which causes a feeling of strangeness when used in food-related products. There is a drawback that makes it.
又酸素検出能のある薬剤を溶媒に溶かし、紙や不織布等
に含浸させたシート型のインジケーターは、腰がないた
め扱い難くこの点は特に包装を行う場合の機械による自
動包装の障害となりやすい。Further, a sheet-type indicator prepared by dissolving a drug capable of detecting oxygen in a solvent and impregnating it into paper or a non-woven fabric is not easy to handle because it is not stiff, and this point is particularly apt to hinder automatic packaging by a machine when packaging.
課題を解決するための手段 本発明者は前記したような課題を解決すべく鋭意研究を
重ねた結果、本発明に到った。即ち本発明は、酸素検知
能を有する薬剤を親水化処理したポリエチレン粉末焼結
体に付与してなる酸素インジケーターを提供する。Means for Solving the Problems The inventors of the present invention have reached the present invention as a result of intensive studies to solve the above-mentioned problems. That is, the present invention provides an oxygen indicator obtained by applying a drug having oxygen detection ability to a polyethylene powder sintered body which has been hydrophilized.
本発明を詳細に説明する。The present invention will be described in detail.
まず本発明の為に好ましい酸素検出能を有する薬剤とし
ては（Ａ）酸化還元色素、（Ｂ）還元剤、（Ｃ）アルカ
リ剤、（Ｄ）水及び／又はアルコール類より構成される
薬剤が挙げられこれらは公知のものであり、例えば水産
細菌学85〜86第４版（昭和21年）、特開昭54−48294、
特公昭55−47820等に記載された方法に従い調製され
る。First, as a drug having an oxygen detection ability preferable for the present invention, a drug composed of (A) redox dye, (B) reducing agent, (C) alkaline agent, (D) water and / or alcohols can be mentioned. These are known ones, for example, Aquatic Bacteriology 85-86 4th edition (Showa 21), JP-A-54-48294,
It is prepared according to the method described in JP-B-55-47820.
次に本発明においては酸素検出能を有する薬剤を付与す
べき担体としては親水化処理したポリエチレン粉末焼結
体をプレート状に成型したものが用いられる。このもの
はそれ自体公知のポリエチレン粉末焼結体を親水化処理
し更にプレート状に成型したもので親水化処理されたポ
リエチレン粉末焼結体の例としてはサンファインAQ（旭
化成工業（株）製）が挙げられる。親水化処理したポリ
エチレン粉末焼結体は工業材料32巻88−91（1984）特開
昭59−12949等に詳しいが （１）白度が高く着色した場合の色相が鮮明である。Next, in the present invention, as the carrier to which the drug having oxygen detection ability is to be applied, a plate-shaped molded polyethylene powder sintered body which has been hydrophilized is used. This is a publicly known polyethylene powder sintered body which has been hydrophilized and then molded into a plate shape. An example of the hydrophilized polyethylene powder sintered body is Sunfine AQ (manufactured by Asahi Kasei Kogyo Co., Ltd.). Is mentioned. The hydrophilized polyethylene powder sintered body is detailed in Industrial Materials, Vol. 32, 88-91 (1984), JP-A-59-12949, etc. (1) The whiteness is high and the hue is clear when colored.
（２）水濡れ性が良く、含浸、塗工等の手段によって薬
品類を付与するのが容易である。(2) It has good wettability and it is easy to apply chemicals by means such as impregnation and coating.
（３）吸水時にも膨油、強度低下がなく、寸法安定性が
優れている。(3) It has excellent dimensional stability without swelling or deterioration of strength even when absorbing water.
（４）十分な機械的強度を有しており、小片に切断も可
能で、又扱い易く、自動包装等に対する適応性がたか
い。(4) It has sufficient mechanical strength, can be cut into small pieces, is easy to handle, and has a high adaptability for automatic packaging.
等の特長がある。There are features such as.
酸素検出能を有する薬剤を前記した担体に付与せしめる
方法としては含浸による方法（含浸法）塗工による方法
（塗工法）等が採用出来る。含浸法による場合はまず例
えば次のような組成比を有する混合液を調製する。As a method of applying the drug having oxygen detection ability to the above-mentioned carrier, a method by impregnation (impregnation method) or a method by coating (coating method) can be adopted. In the case of the impregnation method, first, for example, a mixed solution having the following composition ratio is prepared.
酸化還元色素 0.001〜 2 重量％ アルカリ性物質 0.1 〜20 重量％ 還元剤 0.1 〜20 重量％ 水及び／又はアルコール類 残部 重量％ 合計 100 重量％ 次いでこの混合液に室温（10〜30℃程度）にて通常５〜
10秒程度担体を浸漬しマングル等によって80〜100％の
絞り率で絞り50〜100℃乾燥し、酸素検出能を有する薬
剤が付与された担体（酸素インジケーター）を得る。Redox dye 0.001 to 2% by weight Alkaline substance 0.1 to 20% by weight Reducing agent 0.1 to 20% by weight Water and / or alcohol balance remaining 100% by weight Total 100% by weight Then, at room temperature (about 10 to 30 ° C) Usually 5
The carrier is immersed for about 10 seconds and squeezed by a mangle or the like at a squeezing ratio of 80 to 100% and dried at 50 to 100 ° C. to obtain a carrier (oxygen indicator) to which a drug having oxygen detection ability is added.
又塗工法による場合はまず例えば次のような組成比の塗
工液を調製する。In the case of the coating method, first, for example, a coating liquid having the following composition ratio is prepared.
酸化還元色素 0.001〜 2 重量％ アルカリ性物質 0.1 〜20 重量％ 還元剤 0.1 〜20 重量％ バインダー ５ 〜15 重量％ 水及び／又はアルコール類 残部 重量％ 合計 100 重量％ このような塗工液は１万〜100万CP程度の粘度になるよ
うに調製されるのが塗工の作業上好都合である。次いで
コーター、塗工（布）機によって前記塗工液が50〜200g
/m2になるように担体に塗工する。所望なら常法によっ
て上記塗工液を所望の模様に印捺することも出来る。塗
工（印捺）が終ったら50〜100℃で乾燥することによっ
て酸素検知能を有する薬剤の付与された担体（酸素イン
ジケーター）を得る。なお前記においてバインダーとし
てはアルギン酸ソーダ；カルボキシメチルセルロース；
ポリビニルアルコール、ポリビニルピロリドン等が用い
られる。Redox dye 0.001 to 2% by weight Alkaline substance 0.1 to 20% by weight Reducing agent 0.1 to 20% by weight Binder 5 to 15% by weight Water and / or alcohol balances% by weight Total 100% by weight Such coating liquid is 10,000 It is convenient for coating work that the viscosity is adjusted to about 1,000,000 CP. Then, the coating liquid is 50 to 200g by a coater and a coating (cloth) machine.
Apply to the carrier so that it becomes / m 2 . If desired, the above-mentioned coating solution can be printed in a desired pattern by a conventional method. After the coating (printing) is completed, the carrier (oxygen indicator) to which a drug having oxygen detection ability is added is obtained by drying at 50 to 100 ° C. In the above, as the binder, sodium alginate; carboxymethyl cellulose;
Polyvinyl alcohol, polyvinyl pyrrolidone, etc. are used.
担体の厚さは任意であるが通常は0.5〜5mm程度のもので
十分である。又はその形状は任意であるが（正方形、長
方形、円形等）大きさとしては目に見えやすくするため
に0.5cm2以上の面積を有しているものが好ましい。The thickness of the carrier is arbitrary, but normally 0.5 to 5 mm is sufficient. Alternatively, the shape is arbitrary (square, rectangle, circle, etc.), but it is preferable that it has an area of 0.5 cm 2 or more in order to make it easy to see.
本発明の酸素インジケーターはそのまま用いてもよいが
好ましい使用形態は透明な袋状フィルム又はシートに封
入して使用する方法である。そして透明な袋状フィルム
又はシートに封入するための自動包装機による運転を行
うためには丸型に切り抜かれた酸素インジケーターが好
ましい。透明な包材としてのフィルム又はシートとして
は高密度又は低密度のポリエチレン、高密度又は低密度
のポリプロピレン等のオレフィン系、ポリエステル系、
ポリアミド系のフィルム又はシート、セロファン等が好
ましい例として挙げられる。これらのフィルム又はシー
トの厚さとしては10〜60μｍ程度のものが好ましくその
内側が加熱処理によりシート可能なフィルムが好適であ
る。このようにして酸素インジケーターを装入したあと
周囲は完全にシールされる。The oxygen indicator of the present invention may be used as it is, but a preferred usage form is to use it by enclosing it in a transparent bag-shaped film or sheet. Then, in order to carry out the operation by the automatic packaging machine for enclosing the transparent bag-shaped film or sheet, the oxygen indicator cut out in a round shape is preferable. As a film or sheet as a transparent packaging material, high density or low density polyethylene, olefin series such as high density or low density polypropylene, polyester series,
Preferred examples include polyamide-based films or sheets, cellophane, and the like. The thickness of these films or sheets is preferably about 10 to 60 μm, and a film whose inside can be sheeted by heat treatment is suitable. In this way the environment is completely sealed after the oxygen indicator has been charged.
なお酸素インジケーターを外気と接触させるために該フ
ィルム又はシートに針穴状の小孔を１〜２ケ所以上設け
るのが好ましい。In addition, it is preferable that the film or sheet is provided with 1 to 2 or more needle hole-shaped small holes in order to bring the oxygen indicator into contact with the outside air.
本発明の酸素インジケーターは、親水化処理したポリエ
チレン粉末焼結体を担体に用いるため （１）酸素の有無により変色する色相が鮮明で肉眼でみ
やすく、明瞭な判断ができる。Since the oxygen indicator of the present invention uses the polyethylene powder sintered body that has been subjected to the hydrophilization treatment as the carrier, (1) the hue that changes color depending on the presence or absence of oxygen is clear, and it is easy for the naked eye to make a clear judgment.
（２）水濡れに対する耐性が大きい。(2) Greatly resistant to water wetting.
（３）機械的強度にすぐれ、寸法、形状、安定性が高く
扱い易い。従って機械による自動化を図り易い。(3) Excellent mechanical strength, high size, shape and stability, and easy to handle. Therefore, it is easy to achieve automation by a machine.
等の特長がある。There are features such as.
本発明の酸素インジケーターは脱酸素材と共にパッケー
ジされた菓子類、生鮮食料、金属等に併置されパッケー
ジ中に残存酸素を肉眼で判定するのに使用される。The oxygen indicator of the present invention is juxtaposed with confectionery, fresh food, metal, etc. packaged with a deoxidizing material and used to visually determine residual oxygen in the package.
実施例 実施例により本発明を更に詳細に説明する。EXAMPLES The present invention will be described in more detail by way of examples.
実施例1.（添付の図参照） 2,6−Dichloro−３′−methylindophenol Sodium Salt
100mgを10mlの温水に溶解した液と赤色106号10mgを10
mlの温水に溶解した液と重炭酸ソーダ2g、フラクトー
ス1g、ポリエチレングリコール300を温水80mlに溶解し
た液を準備し、これらを混合した。この混合液にサン
ファインAQ−800ES2mm厚品（旭化成工業（株））を含浸
し、100％に絞った。60℃で15分間処理、乾燥させ本発
明の酸素インジケーターを得た。このインジケーターを
直径8mmの円盤状に打ち抜いた。（第１図の１）これを
オートフィーダー装置を備えた充填機で透明な低密度ポ
リエチレン30μｍのフィルムに包装した。（第１図の
２）この際円盤状インジケーターが１個ずつ問題なく供
給され包装できた。（第１図） 得られた包装されたインジケーターの片隅に針穴をあけ
た後（第１図の３）、KON/PE（酸素不透過性包材）の袋
の中に、脱酸素剤（エージレスＳ−50三菱ガス化学製）
と共に封入した。（第２図）24時間後観察したところ円
盤状酸素インジケーターは赤色に変色し酸素が希薄にな
ったことを示した。（変色試験） 実施例２ 2,6−Dichloro−３′−chloro−indophenol Sodium Sal
t 100mg、赤色106号30mg、重炭酸ソーダ2g、フラクトー
ス1gを温水26gに溶解した。これにポリエチレングリコ
ール1000を10gを秤取し、均一に溶解させた。更にアル
ギン酸ナトリウム５％の白糊60gを加え、十分攪拌して
均一な粘稠液100gを得た。Example 1. (See attached figure) 2,6-Dichloro-3'-methylindophenol Sodium Salt
A solution of 100 mg dissolved in 10 ml of warm water and 10 mg of red No. 106
A solution prepared by dissolving 2 ml of warm water, sodium bicarbonate 2 g, fructose 1 g, and polyethylene glycol 300 in warm water 80 ml was prepared and mixed. This mixture was impregnated with Sunfine AQ-800ES 2 mm thick product (Asahi Kasei Co., Ltd.) and squeezed to 100%. It was treated at 60 ° C. for 15 minutes and dried to obtain the oxygen indicator of the present invention. This indicator was stamped into a disk with a diameter of 8 mm. (1 in FIG. 1) This was packed in a transparent low-density polyethylene film of 30 μm by a filling machine equipped with an auto feeder device. (2 in FIG. 1) At this time, one disc-shaped indicator could be supplied and packaged without any problem. (Fig. 1) After punching a needle hole at one corner of the obtained packaged indicator (3 in Fig. 1), the oxygen absorber (in oxygen-impermeable packaging material) bag Ageless S-50 Mitsubishi Gas Chemical)
It was enclosed with. (Fig. 2) Observation after 24 hours showed that the disc-shaped oxygen indicator turned red and the oxygen was diluted. (Discoloration test) Example 2 2,6-Dichloro-3'-chloro-indophenol Sodium Sal
t 100 mg, red No. 106 30 mg, sodium bicarbonate 2 g, and fructose 1 g were dissolved in warm water 26 g. 10 g of polyethylene glycol 1000 was weighed and uniformly dissolved in this. Further, 60 g of white glue containing 5% of sodium alginate was added and sufficiently stirred to obtain 100 g of a uniform viscous liquid.
DM式オートスクリーン装置（大同エンジニアリング社
製）を用いて、サンフアインAQ−800AH2mm厚品（旭化成
製、親水化処理したポリエチレン粉末焼結板）に前記粘
稠液を100g/m2塗工（布）し60℃で15分間乾燥して本発
明の酸素インジケーターを得た。Using a DM-type auto screen device (manufactured by Daido Engineering Co., Ltd.), 100 g / m 2 coating (cloth) of the above-mentioned viscous liquid on a Sanhuain AQ-800AH 2 mm thick product (manufactured by Asahi Kasei, a polyethylene powder sintered plate that has been hydrophilized) Then, it was dried at 60 ° C. for 15 minutes to obtain an oxygen indicator of the present invention.
この酸素インジケーターから実施例１と同様にして包装
された酸素インジケーターを得た。このものにつき実施
例１と同様にして変色試験を実施したところ青色から赤
色に変色し菓子袋中の酸素が希薄になったこと示した。A packaged oxygen indicator was obtained from this oxygen indicator in the same manner as in Example 1. When this product was subjected to a discoloration test in the same manner as in Example 1, it was found that the color changed from blue to red and the oxygen in the confectionery bag was diluted.
実施例３ 実施例２においてえられた酸素インジケーターにつき包
装を行うことなく実施例１と同様の菓子袋中における変
色試験を実施したところ実施例２における結果と同様に
青色から赤色に変色するのが認められた。Example 3 The oxygen indicator obtained in Example 2 was subjected to a discoloration test in a confectionery bag similar to that of Example 1 without packaging, and as a result of Example 2, discoloration from blue to red was observed. Admitted.
発明の結果 鮮明な色相変化を示し、生産性の極めて優れた、又食品
関係に用いても違和感のない酸素インジケーターが得ら
れた。As a result of the invention, an oxygen indicator showing a clear hue change, having extremely excellent productivity and having no discomfort when used in foods was obtained.
第１図は本発明の実施例１に係わる包装された酸素イン
ジケーターの正面図であり第２図はその断面図である。
第３図は実施例１の包装された酸素インジケーターを菓
子袋中に脱酸素剤と共に併置した説明図である。 図面において １は本発明酸素インジケーター ２は低密度ポリエチレン30μのフィルム ３は針穴 ４は脱酸素剤 ５はKON/PE（酸素不透過性）包材 ６は菓子 を表す。1 is a front view of a packaged oxygen indicator according to a first embodiment of the present invention, and FIG. 2 is a sectional view thereof.
FIG. 3 is an explanatory diagram in which the packaged oxygen indicator of Example 1 is placed in a confectionery bag together with an oxygen scavenger. In the drawings, 1 is the oxygen indicator of the present invention, 2 is a film of low-density polyethylene 30μ, 3 is a needle hole, 4 is an oxygen absorber, 5 is KON / PE (oxygen impermeable) packaging material, and 6 is confectionery.
Claims (1)
ポリエチレン粉末焼結体に付与してなる酸素インジケー
ター1. An oxygen indicator obtained by imparting a hydrophilic polyethylene powder sintered body with a drug capable of detecting oxygen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20745288A JPH07107532B2 (en) | 1988-08-23 | 1988-08-23 | Oxygen indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20745288A JPH07107532B2 (en) | 1988-08-23 | 1988-08-23 | Oxygen indicator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0257975A JPH0257975A (en) | 1990-02-27 |
| JPH07107532B2 true JPH07107532B2 (en) | 1995-11-15 |
Family
ID=16540006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20745288A Expired - Lifetime JPH07107532B2 (en) | 1988-08-23 | 1988-08-23 | Oxygen indicator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07107532B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5541591B2 (en) * | 2009-10-28 | 2014-07-09 | パウダーテック株式会社 | Oxygen detector and method for producing oxygen detector |
| TW201510507A (en) | 2013-07-16 | 2015-03-16 | Mitsubishi Gas Chemical Co | Composition of oxygen detecting agent, oxygen detecting sheet, packaging material for deoxidizer and package containing deoxidizer |
-
1988
- 1988-08-23 JP JP20745288A patent/JPH07107532B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0257975A (en) | 1990-02-27 |
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