JPH0364501B2 - - Google Patents
Info
- Publication number
- JPH0364501B2 JPH0364501B2 JP59087375A JP8737584A JPH0364501B2 JP H0364501 B2 JPH0364501 B2 JP H0364501B2 JP 59087375 A JP59087375 A JP 59087375A JP 8737584 A JP8737584 A JP 8737584A JP H0364501 B2 JPH0364501 B2 JP H0364501B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- sodium dichloroisocyanurate
- tablets
- tablet
- free water
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 5
- CEJLBZWIKQJOAT-UHFFFAOYSA-N dichloroisocyanuric acid Chemical compound ClN1C(=O)NC(=O)N(Cl)C1=O CEJLBZWIKQJOAT-UHFFFAOYSA-N 0.000 claims 5
- 239000003826 tablet Substances 0.000 claims 3
- 239000007891 compressed tablet Substances 0.000 claims 1
- MSFGZHUJTJBYFA-UHFFFAOYSA-M sodium dichloroisocyanurate Chemical compound [Na+].ClN1C(=O)[N-]C(=O)N(Cl)C1=O MSFGZHUJTJBYFA-UHFFFAOYSA-M 0.000 description 22
- 238000000034 method Methods 0.000 description 9
- 230000008961 swelling Effects 0.000 description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 238000001035 drying Methods 0.000 description 3
- 230000009182 swimming Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000010800 human waste Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241000238557 Decapoda Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Description
【発明の詳細な説明】
本発明は、水中で崩壊及び膨潤を伴わない円滑
な溶解性を示すジクロロイソシアヌル酸ナトリウ
ム錠剤の製法に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for producing sodium dichloroisocyanurate tablets that exhibit smooth solubility in water without disintegration or swelling.
ジクロロイソシアヌル酸ナトリウムは活性塩素
を放出することが出来る固形塩素剤として、プー
ル水、屎尿廃水、下水排水などの殺菌・消毒に極
めて有用な化合物である。ジクロロイソシアヌル
酸ナトリウムの一般的な使用法は、顆粒状あるい
は錠剤のいずれかの形態であるけれども、取扱い
が容易であることから、錠剤として用いられるこ
とが多い。 Sodium dichloroisocyanurate is a solid chlorine agent capable of releasing active chlorine, and is an extremely useful compound for sterilizing and disinfecting pool water, human waste water, sewage wastewater, etc. Sodium dichloroisocyanurate is generally used in the form of either granules or tablets, but it is often used as a tablet because it is easy to handle.
従来、ジクロロイソシアヌル酸ナトリウムを打
錠成形することは、粉末状ジクロロイソシアヌル
酸ナトリウムに水を加えたのち打錠し、これを乾
燥させる方法（特公昭42−23198号公報）、ジクロ
ロイソシアヌル酸ナトリウム二水塩を約2000〜
10000psiの圧力で圧縮成形する方法（特開昭50−
48116号公報）、含水率７〜11％の範囲である顆粒
状ジクロロイソシアヌル酸ナトリウムを打錠する
方法（特開昭55−62011号公報）などによつて広
く知られている。 Conventionally, sodium dichloroisocyanurate has been compressed into tablets by adding water to powdered sodium dichloroisocyanurate, compressing it into tablets, and drying the tablet (Japanese Patent Publication No. 1983-23198); Approximately 2000 ~ water salt
Compression molding method with a pressure of 10,000 psi
48116) and a method of tableting granular sodium dichloroisocyanurate having a moisture content in the range of 7 to 11% (Japanese Patent Application Laid-open No. 1983-62011).
しかしながら、前記各方法によつて造られたジ
クロロイソシアヌル酸ナトリウム錠剤は、いずれ
も水中に投入しあるいは水と接触させた際に、極
めて短時間のうちに錠剤が崩壊しあるいは著いし
膨潤の現象を伴うものであつた。 However, when the sodium dichloroisocyanurate tablets produced by each of the above methods are placed in water or brought into contact with water, the tablets disintegrate within a very short time or exhibit significant swelling phenomena. It was something that came with it.
従つて、このような錠剤をプール用殺菌剤とし
て用いる場合、速効的に直ちに遊泳できる利点は
あるが、投与したが一度に溶解した活性塩素濃度
が必要以上に上昇して遊泳社の目を刺戟したり、
活性塩素を早期に消失して頻繁に薬剤を補充しな
ければならない等、その維持管理に多大な労力を
要するものであつた。またジクロロイソシアヌル
酸ナトリウム錠剤を薬筒内に多段状に充填し、そ
の下法開口部を屎尿放流水に接触して使用する際
には、毛細管現象によつて上昇した水が、処理水
と直かに接していない薬筒内の錠剤に吸着され、
薬筒中内部の錠剤が膨潤し薬筒内で目詰りする所
謂棚吊り現象を起こして、円滑に活性塩素を供給
できないという欠点があつた。 Therefore, when such tablets are used as a disinfectant for swimming pools, they have the advantage of being quick-acting and allowing swimming immediately, but the concentration of active chlorine dissolved at once increases more than necessary and irritates the eyes of swimming pools. or
The active chlorine disappears quickly, requiring frequent replenishment of chemicals, and requires a great deal of effort to maintain and manage. Furthermore, when sodium dichloroisocyanurate tablets are packed into a cartridge in multiple stages and used with the bottom opening in contact with human waste discharge water, the water that rises due to capillary action is directly connected to the treated water. It is adsorbed to tablets in the cartridge that are not in contact with crabs,
There was a drawback that the tablets inside the cartridge swelled and became clogged, causing a so-called shelf-hanging phenomenon, making it impossible to supply active chlorine smoothly.
このようなジクロロイソシアヌル酸ナトリウム
錠剤の膨潤や崩壊を防止し、円滑に溶解させる方
法として本発明者は既に含水率７〜20％の範囲に
あるジクロロイソシアヌル酸ナトリウムを打錠成
形したのち、実質的に錠剤中の水分が気化逸散し
ないような条件下に50℃以上に加熱する方法を提
案した。（特開昭57−31862号公報参照）
しかしながら、この方法によれば、錠剤の外部
から加温されるため、形状が大きい場合、内部ま
で均一に加熱し難いので、特に表面は処理条件が
苛酷になり、ヒビ割れや形状変化を起こし、更に
加温する必要があるなど必ずしも量産に適すると
は云えないものであつた。 In order to prevent swelling and disintegration of such sodium dichloroisocyanurate tablets and to smoothly dissolve them, the present inventor has developed a method for tabletting sodium dichloroisocyanurate with a moisture content of 7 to 20%, and then proposed a method of heating the tablets to temperatures above 50°C under conditions that would prevent the moisture in the tablets from evaporating and escaping. (Refer to Japanese Unexamined Patent Publication No. 57-31862.) However, according to this method, since the tablet is heated from the outside, if the tablet is large, it is difficult to uniformly heat the inside, so the treatment conditions are especially harsh on the surface. This resulted in cracks and changes in shape, and the need for further heating, making it not necessarily suitable for mass production.
本発明者は、このような事情に鑑み種々の試験
を繰り返した結果、常温で遊離水をもつジクロロ
イソシアヌル酸ナトリウムの打錠成形物を高周波
誘電加熱によつて常温で遊離水を持たない状態に
乾燥させることによつて、円滑な溶解性を示すジ
クロロイソシアヌル酸ナトリウム錠剤が得らえる
ことを知見し、本発明を完成させたものである。 In view of these circumstances, the inventors of the present invention have repeatedly conducted various tests, and as a result, they have succeeded in converting a tablet molded product of sodium dichloroisocyanurate, which contains free water at room temperature, into a state in which it does not contain free water at room temperature by high-frequency dielectric heating. The present invention was completed based on the finding that sodium dichloroisocyanurate tablets exhibiting smooth solubility can be obtained by drying.
本発明方法の実施に際しては、ジクロロイソシ
アヌル酸ナトリウム打錠成形物の含水率を14.1〜
20％の範囲に調整すべきものである。 When carrying out the method of the present invention, the moisture content of the sodium dichloroisocyanurate tablets should be adjusted to 14.1 to 14.1.
It should be adjusted within the 20% range.
含水率が20％を超えると錠剤の表面に水が滲み
出し、打錠が甚だ困難である。 When the water content exceeds 20%, water oozes out onto the surface of the tablet, making tableting extremely difficult.
ジクロロイソシアヌル酸ナトリウムを打錠成形
するには、少なくとも350Kg／cm2の圧力を負荷す
べきであり、これ以下の成形圧では硬度が低く輸
送中に崩壊の恐れがある。 In order to tablet sodium dichloroisocyanurate, a pressure of at least 350 kg/cm 2 should be applied; if the molding pressure is lower than this, the tablet will have low hardness and may collapse during transportation.
高周波誘電による加熱に当つでは、錠剤の表面
温度が50℃以上、好ましくは60〜80℃の範囲にな
るように調節し、結晶水の一部を放出させる。 When heating by high-frequency dielectric, the surface temperature of the tablet is adjusted to 50°C or higher, preferably in the range of 60 to 80°C, and part of the crystal water is released.
高周波誘電による加温中、雰囲気の湿度は特に
加減する必要はないが、長時間に亘つて処理する
など大幅な水分低下を招く倶れがある場合には、
それを回避するために必要な湿気を付加してもよ
い。 There is no need to particularly adjust the humidity of the atmosphere during heating using high-frequency dielectric, but if there is a problem that causes a significant drop in moisture, such as when processing for a long time,
To avoid this, necessary moisture may be added.
また本発明方法は、常温で遊離水を持たないジ
クロロイソシアヌル酸ナトリウムを打錠成形し、
これを高湿雰囲気中に放置するかあるいかは錠剤
に水を噴霧して14.％以上の水分を含有させ、こ
れを高周波誘電加熱によつて乾燥させることによ
り、水と接触した際に崩壊せず又膨潤しない性質
を備えたジクロロイシアヌル酸ナトリウム錠剤を
造ることができる。以下参考例及び実施例をもつ
て本発明方法を具体的に説明する。 In addition, the method of the present invention involves tableting sodium dichloroisocyanurate, which does not have free water at room temperature,
The solution is to leave the tablets in a high-humidity atmosphere by spraying water on them to make them contain more than 14% moisture, and then drying them using high-frequency dielectric heating, so that they disintegrate when they come into contact with water. It is possible to produce sodium dichlorocyanurate tablets that do not swell or swell. The method of the present invention will be specifically explained below using reference examples and examples.
参考例
含水率7.9％及び含水率14.9％の顆粒状ジクロ
ロイソシアヌル酸ナトリウム15ｇを夫々直径30mm
のダイスに入れ、約1000Kg／cm2の圧力で打錠成形
して相当の水分を含有するジクロロイソシアヌル
酸ナトリウムの錠剤を形成した。Reference example: 15 g of granular sodium dichloroisocyanurate with a water content of 7.9% and a water content of 14.9%, each with a diameter of 30 mm.
The mixture was put into a die and compressed at a pressure of about 1000 kg/cm 2 to form tablets of sodium dichloroisocyanurate containing a considerable amount of water.
これらの錠剤を加温処理することなく1/2イン
チを網目を有する金網に各々の錠剤を載置して、
水に浸したところ、含水率7.9％の錠剤は255秒、
含水率14.9％の錠剤は370秒でいずれも崩壊し、
網目より脱落した。 Without heating these tablets, each tablet was placed on a wire mesh having a 1/2 inch mesh,
When soaked in water, a tablet with a water content of 7.9% lasted for 255 seconds.
All tablets with a water content of 14.9% disintegrated in 370 seconds,
It fell out from the mesh.
次に直径100mmのシヤーレに20mlの水を入れ、
これに前記と同一条件で打錠した錠剤を２ケづつ
重ねて置き、膨潤試験を行つたところ、順次上方
の錠剤に吸水膨潤の現象が起こり、１時間後には
含水率7.9％のものは直径が47mmに、又含水率
14.9％のものは直径35mmに夫々膨張した。 Next, pour 20ml of water into a 100mm diameter chalet.
Two tablets compressed under the same conditions as above were stacked on top of each other and a swelling test was carried out.The upper tablets gradually absorbed water and swelled, and after 1 hour, the tablets with a water content of 7.9% had a diameter of 7.9%. to 47mm, and moisture content
14.9% each expanded to a diameter of 35 mm.
実施例 １
含水率14.9％の顆粒状ジクロロイソシアヌル酸
ナトリウム15ｇを直径30mmのダイスに入れ、約
1000Kg／cm2の圧力で打錠したのち、次いでこれを
600wの家庭用電子レンジ（ナシヨナルNE−6310
型、発振周波数2450MHz）内に入れ、表面温度が
65℃になるまで加熱した。Example 1 15 g of granular sodium dichloroisocyanurate with a moisture content of 14.9% was placed in a die with a diameter of 30 mm, and approximately
After compressing into tablets at a pressure of 1000Kg/ cm2 , this
600w home microwave oven (National NE-6310
mold, oscillation frequency 2450MHz), and the surface temperature is
It was heated to 65°C.
このように処理したジクロロイソシアヌル酸ナ
トリウム錠剤の含水率は13.95％であり、これを
前記参考例と同様にして水中での崩壊性を調べた
ところ、いずれも崩壊せず表面から均一に溶解し
60〜70分後に完全溶解した。また本品について参
考例と同様の膨潤試験を行つたが、48時間経過後
において錠剤には吸水が認められるものの、その
直径及び高さの変化はなく、全く膨潤しないもの
であつた。 The moisture content of the sodium dichloroisocyanurate tablets treated in this way was 13.95%, and when the disintegration properties in water were examined in the same manner as in the reference example above, none of the tablets disintegrated and dissolved uniformly from the surface.
Complete dissolution occurred after 60 to 70 minutes. In addition, this product was subjected to a swelling test similar to the reference example, and although water absorption was observed in the tablet after 48 hours, there was no change in its diameter or height, and it did not swell at all.
実施例 ２
含水率7.9％の顆粒状ジクロロイソシアヌル酸
ナトリウム15ｇを直径30mmのダイスに入れ、約
1000Kg／cm2の圧力で打錠し、重量を測定しなが
ら、その含水率が15.0％になるまで霧状の水を吹
きつけ、一夜放置したのち、この錠剤を実施例１
と同様に加温処理した。Example 2 15 g of granular sodium dichloroisocyanurate with a moisture content of 7.9% was placed in a die with a diameter of 30 mm, and approximately
The tablets were compressed at a pressure of 1000 Kg/cm 2 , and while measuring their weight, a mist of water was sprayed on them until the moisture content reached 15.0%. After leaving them overnight, the tablets were prepared in Example 1.
It was heated in the same manner as above.
このようにして得たジクロロイソシアヌル酸ナ
トリウム錠剤の含水率は14.1％であり、これを前
記参考例及び実施例と同様にして水中での崩壊性
を調べたところ、いずれも崩壊することなく、表
面から一様に溶解し、60〜70分後に完溶した。 The moisture content of the sodium dichloroisocyanurate tablets thus obtained was 14.1%, and when the disintegration in water was investigated in the same manner as in the above-mentioned Reference Examples and Examples, none of them disintegrated, and the surface The mixture was uniformly dissolved and completely dissolved after 60 to 70 minutes.
次に、膨潤試験を行つたところ、48時間後錠剤
の吸水は認められたが、その直径及び高さの変化
はなく全く膨潤しないものであつた。 Next, a swelling test was conducted, and although water absorption of the tablet was observed after 48 hours, there was no change in its diameter or height, and it did not swell at all.
Claims (1)
ナトリウム打錠成形物を常温で遊離水を持たない
状態に高周波誘電加熱することを特徴とする円滑
な溶解性を示すジクロロイソシアヌル酸ナトリウ
ム錠剤の製法。 ２ 遊離水を含有するジクロロイソシアヌル酸ナ
トリウムを打錠成形する工程とこれを高周波誘電
加熱する工程からなる特許請求の範囲１に記載の
製法。 ３ 打錠成形されたジクロロイソシアヌル酸ナト
リウム錠剤に水を添加して遊離水を含有するジク
ロロイソシアヌル酸ナトリウムの打錠成形物を造
る工程とこれを高周波誘電加熱する工程からなる
特許請求の範囲１に記載の製法。[Scope of Claims] 1. Sodium dichloroisocyanurate that exhibits smooth solubility, which is obtained by high-frequency dielectric heating of a sodium dichloroisocyanurate tablet molded product that has free water at room temperature to a state that does not have free water at room temperature. Tablet manufacturing method. 2. The manufacturing method according to claim 1, which comprises a step of tabletting sodium dichloroisocyanurate containing free water and a step of subjecting it to high-frequency dielectric heating. 3. Claim 1 comprises a step of adding water to a compressed sodium dichloroisocyanurate tablet to produce a compressed tablet of sodium dichloroisocyanurate containing free water, and a step of heating the same with high frequency dielectric heating. Manufacturing method described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8737584A JPS60231664A (en) | 1984-04-28 | 1984-04-28 | Production of tablets of sodium dichloroisocyanurate showing smooth dissolution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8737584A JPS60231664A (en) | 1984-04-28 | 1984-04-28 | Production of tablets of sodium dichloroisocyanurate showing smooth dissolution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60231664A JPS60231664A (en) | 1985-11-18 |
| JPH0364501B2 true JPH0364501B2 (en) | 1991-10-07 |
Family
ID=13913143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8737584A Granted JPS60231664A (en) | 1984-04-28 | 1984-04-28 | Production of tablets of sodium dichloroisocyanurate showing smooth dissolution |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60231664A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5314656A (en) * | 1976-06-30 | 1978-02-09 | Platmanufaktur Ab | Method and device for fabricating spiral materials having no cores |
-
1984
- 1984-04-28 JP JP8737584A patent/JPS60231664A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5314656A (en) * | 1976-06-30 | 1978-02-09 | Platmanufaktur Ab | Method and device for fabricating spiral materials having no cores |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60231664A (en) | 1985-11-18 |
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