JPS60192782A - cryogen - Google Patents
cryogenInfo
- Publication number
- JPS60192782A JPS60192782A JP59048521A JP4852184A JPS60192782A JP S60192782 A JPS60192782 A JP S60192782A JP 59048521 A JP59048521 A JP 59048521A JP 4852184 A JP4852184 A JP 4852184A JP S60192782 A JPS60192782 A JP S60192782A
- Authority
- JP
- Japan
- Prior art keywords
- water
- time
- mixture
- cryogen
- temperature
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 23
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004202 carbamide Substances 0.000 claims abstract description 9
- AVTYONGGKAJVTE-OLXYHTOASA-L potassium L-tartrate Chemical compound [K+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O AVTYONGGKAJVTE-OLXYHTOASA-L 0.000 claims abstract description 8
- 229940111695 potassium tartrate Drugs 0.000 claims abstract description 8
- 239000001433 sodium tartrate Substances 0.000 claims abstract description 7
- 229960002167 sodium tartrate Drugs 0.000 claims abstract description 7
- 235000011004 sodium tartrates Nutrition 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 4
- HELHAJAZNSDZJO-OLXYHTOASA-L sodium L-tartrate Chemical compound [Na+].[Na+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O HELHAJAZNSDZJO-OLXYHTOASA-L 0.000 claims abstract description 4
- 235000011006 sodium potassium tartrate Nutrition 0.000 claims abstract description 4
- 239000001476 sodium potassium tartrate Substances 0.000 claims abstract description 3
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 16
- 150000002894 organic compounds Chemical class 0.000 claims description 7
- GGCILSXUAHLDMF-CQSZACIVSA-N 2-[[2-[(3r)-3-aminopiperidin-1-yl]-5-bromo-6-oxopyrimidin-1-yl]methyl]benzonitrile Chemical compound C1[C@H](N)CCCN1C1=NC=C(Br)C(=O)N1CC1=CC=CC=C1C#N GGCILSXUAHLDMF-CQSZACIVSA-N 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims 1
- 229910052700 potassium Inorganic materials 0.000 claims 1
- 239000011591 potassium Substances 0.000 claims 1
- 235000013533 rum Nutrition 0.000 claims 1
- 238000002156 mixing Methods 0.000 abstract description 3
- 229920003002 synthetic resin Polymers 0.000 abstract description 3
- 239000000057 synthetic resin Substances 0.000 abstract description 3
- 239000000659 freezing mixture Substances 0.000 abstract 4
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 abstract 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 abstract 2
- 235000011130 ammonium sulphate Nutrition 0.000 abstract 2
- LJCNRYVRMXRIQR-OLXYHTOASA-L potassium sodium L-tartrate Chemical compound [Na+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O LJCNRYVRMXRIQR-OLXYHTOASA-L 0.000 abstract 1
- 229940074439 potassium sodium tartrate Drugs 0.000 abstract 1
- 239000001472 potassium tartrate Substances 0.000 description 5
- 235000011005 potassium tartrates Nutrition 0.000 description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 239000013043 chemical agent Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 235000010333 potassium nitrate Nutrition 0.000 description 2
- 239000004323 potassium nitrate Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- GHQFLMULNSGOAR-UHFFFAOYSA-N 2,3-dihydroxybutanedioic acid;sodium Chemical compound [Na].OC(=O)C(O)C(O)C(O)=O GHQFLMULNSGOAR-UHFFFAOYSA-N 0.000 description 1
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- PODWXQQNRWNDGD-UHFFFAOYSA-L sodium thiosulfate pentahydrate Chemical compound O.O.O.O.O.[Na+].[Na+].[O-]S([S-])(=O)=O PODWXQQNRWNDGD-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
Landscapes
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は寒剤の改良に関するものであって、合成樹脂製
慌又は容器内に封入し、これに水を加えることによって
冷却時間の長い保冷器として使用できる寒剤を提供する
ことを目的とするものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in a cryogen, and provides a cryogen that can be used as a cooler with a long cooling time by being sealed in a synthetic resin tank or container and adding water to the container. The purpose is to
化学薬剤の溶解熱を利用する寒剤については、各種のも
のが知られている。例えば、塩化アンモニウム、チオ硫
酸ソーダ５水塩、硝酸カリウムの３者を水に溶解せしめ
た寒剤（特公昭４５−１７１２号公報）、無水硝酸アン
モニウムと負の溶解熱を有して結晶水を保有する物質の
両者を混合した寒剤（特公昭５１−２７９０８号公報）
等が知られている。Various types of cryogens that utilize the heat of dissolution of chemical agents are known. For example, a cryogen in which ammonium chloride, sodium thiosulfate pentahydrate, and potassium nitrate are dissolved in water (Japanese Patent Publication No. 1712/1982), a substance that has a negative heat of solution with anhydrous ammonium nitrate and retains water of crystallization. (Special Publication No. 51-27908)
etc. are known.
前述２つの発明は何れも化学薬剤を水に溶解した際の吸
熱反応を利用した寒剤であって、水に化学薬剤が溶解し
て数分後に−５〜−６℃の低温が得られる。しかし、前
記刊行物に記載されているものは低温を長時間維持する
ことが困難で、長時間保冷を必要とするものには必らず
しも適当ではない。Both of the above two inventions are cryogens that utilize an endothermic reaction when a chemical agent is dissolved in water, and a low temperature of -5 to -6°C is obtained several minutes after the chemical agent is dissolved in water. However, the products described in the above-mentioned publications have difficulty maintaining low temperatures for long periods of time, and are not necessarily suitable for products that require long-term cold storage.
本発明者等は此の種寒剤の改良につき種々研究の結果、
特許請求の範囲に記載した構成とすることによって、短
時間で０℃以下の低温が得られ、しかも低温の保持時間
を従来より長時間とすることのできる寒剤を得ることが
できた。As a result of various research into improving this seed cold agent, the present inventors found that
By adopting the structure described in the claims, it was possible to obtain a cryogen that can obtain a low temperature of 0° C. or less in a short time and can maintain the low temperature for a longer time than before.
即ち１本発明は、無水硝酸アンモニウムと尿素、チオ尿
素あるいは酒石酸ナトリウム、酒石酸カリウム若しくは
酒石酸ナトリウム・カリウムの如き水溶性の有機化合物
との混合物からなり、水に溶解して負の溶解熱を生ずる
ことを特徴とする寒剤である。Namely, the present invention consists of a mixture of anhydrous ammonium nitrate and urea, thiourea, or a water-soluble organic compound such as sodium tartrate, potassium tartrate, or sodium/potassium tartrate, and is capable of dissolving in water to generate a negative heat of solution. It is a characteristic cold agent.
本発明に於て、無水硝酸アンモニウムと組合せて使用す
る有機化合物は水に易溶性であることが必要であり、本
発明の目的から、尿素、チオ尿素あるいは酒石酸のナト
ｌ）ラム塩、カリウム塩若しくは酒石酸のナトリウム・
カリウム塩等の如く溶解熱の大きいものが好ましい。尚
、尿素は、無水硝酸アンモニウムと同様肥料として市販
されており、従って入手し易く、低廉であるだめ特に有
利である。In the present invention, it is necessary that the organic compound used in combination with anhydrous ammonium nitrate is easily soluble in water, and for the purpose of the present invention, urea, thiourea or tartaric acid, rum salt, potassium salt or Sodium tartaric acid
Those having a large heat of dissolution such as potassium salts are preferred. Incidentally, urea is particularly advantageous because it is commercially available as a fertilizer like anhydrous ammonium nitrate, and therefore is easily available and inexpensive.
従来、この種寒剤に使用されているものは。What are the types of cryogens traditionally used?
多くは硝酸アンモニウム、硝酸カリウム、塩化アンモニ
ウム、硫酸ナトリウム、チオ硫酸ナトリウム又は炭酸ナ
トリウム等の１又は２以上の組合せからなるものである
が、これらの寒剤はこれに水を添加した場合には短時間
に０℃以下の低温に達するが、その後の低温保持時間が
比較的短時間である。Most cryogens consist of one or more combinations of ammonium nitrate, potassium nitrate, ammonium chloride, sodium sulfate, sodium thiosulfate, or sodium carbonate, but when water is added to them, these cryogens quickly become zero. Although it reaches a low temperature below ℃, the subsequent low temperature holding time is relatively short.
これに対し、本発明の寒剤は水を添加した場合短時間に
０℃以下に低下することは勿論、低温の保持時間が従来
の寒剤より長時間とすることができる。On the other hand, when water is added to the cryogen of the present invention, the temperature can be lowered to 0° C. or less in a short time, and the temperature can be maintained at a low temperature for a longer time than conventional cryogens.
図面は本発明の寒剤（ＮＨ４ＮＯ３２７５Ｓｉ’に尿素
１６０Ｆ？混合したものに水１１５５’添加）と、従来
の寒剤（ＮＨ４ＮＯ３３８０Ｉｉ’に水１７０グ添加）
の温度の経時変化を示したものであるが、水の添加によ
って本発明は一７℃、従来の寒剤は一４℃に低下できる
が、従来の寒剤は時間の経過と共に、温度が上昇し、３
０分経過によってはゾ０℃前後となり、その後急速に温
度が上昇し、６０分経過後約５℃、１２０分経過後約１
０℃となるのが認められる。The drawing shows the cryogen of the present invention (NH4NO3275Si' and urea 160F? mixed with 1155' of water added) and the conventional cryogen (NH4NO3380Ii' and 170 grams of water added).
By adding water, the temperature of the present invention can be lowered to -7°C, and the conventional cryogen can reduce the temperature to -4°C, but with the conventional cryogen, the temperature rises over time. 3
Depending on the passage of 0 minutes, the temperature will be around 0°C, and then the temperature will rise rapidly, reaching approximately 5°C after 60 minutes and approximately 1°C after 120 minutes.
It is observed that the temperature reaches 0°C.
これに対し、本発明では従来の寒剤に比較して水分量が
少なくでき、５０分経過後はソ０℃、１１０分経過後約
５℃であり、また２００分経過後に於ても１０℃以下と
従来の寒剤に比較して緩やかに推移するのが認められる
。即ち、本発明は従来の寒剤に比較して最低温度を低く
することができるばかりでなく、その低温保持時間を長
時間とすることができる。尚、この場合、大型の結晶（
径３〜６市程度の塊状）を使用すれば、低温保持時間を
さらに長くすることができる。In contrast, with the present invention, the water content can be reduced compared to conventional cryogens, and the temperature is 0°C after 50 minutes, approximately 5°C after 110 minutes, and 10°C or less after 200 minutes. It is observed that the change in temperature is slower than that of conventional cryogens. That is, the present invention not only can lower the minimum temperature compared to conventional cryogens, but also can maintain the low temperature for a longer time. In this case, large crystals (
If a lump with a diameter of about 3 to 6 cm is used, the low temperature holding time can be further extended.
本発明で硝酸アンモニウムと組合せる水に易溶性の有機
化合物の配合割合は水１１０〜１７０１の場合、その溶
解熱によって異なるが、尿素の場合は硝酸アンモニウム
２５０〜３００グに対し１００〜２００ｒ、酒石酸ナト
リウム、酒石酸カリウム若しくは酒石酸すトリウム・カ
リウムの場合は硝酸アンモニウム１５０〜２２０１に対
し、２００〜２７０７程度、またチオ尿素の場合には硝
酸アンモニウム３５０〜３７０７に対し１０〜２０１程
度で足りる。In the present invention, the proportion of water-soluble organic compounds to be combined with ammonium nitrate varies depending on the heat of dissolution when water is 110 to 1701, but in the case of urea, it is 100 to 200 g for ammonium nitrate, 100 to 200 g for 250 to 300 g of ammonium nitrate, sodium tartrate, In the case of potassium tartrate or thorium/potassium tartrate, it is sufficient to use about 200 to 2,707 to 150 to 2,201 of ammonium nitrate, and in the case of thiourea, it is sufficient to use about 10 to 201 to 350 to 3,707 of ammonium nitrate.
捷だ、硝酸アンモニウムと組合せる水に易溶性の有機化
合物は夫々単独で使用する必要はなく、適宜２以」二を
組合せてもよい。例えば、尿素と酒石酸ナトリウム・カ
リウムとを硝酸アンモニウムに組合せてもよい。この場
合配合割合としては例えば硝酸アンモニウム１５０〜１
８０１に対し、尿素８０〜１００？、酒石酸ナトリウム
・カリウム１９０〜２２０グ配合する（配合割合はこれ
に限定されず、適宜変更できる）。However, it is not necessary to use each of the easily water-soluble organic compounds to be combined with ammonium nitrate alone, and two or more of them may be combined as appropriate. For example, urea and sodium/potassium tartrate may be combined with ammonium nitrate. In this case, the blending ratio is, for example, ammonium nitrate 150-1
801 vs. urea 80-100? , 190 to 220 grams of sodium and potassium tartrate are mixed (the blending ratio is not limited to this and can be changed as appropriate).
しかし、何れの組合せであっても本発明では水の添加量
は従来の寒剤に比較して少量とすることができる。However, in any combination, the amount of water added in the present invention can be reduced compared to conventional cryogens.
以上のように本発明が従来の寒剤に比較して低温保持時
間を長くできる理由の詳細はさらに今後の研究に俟だな
ければならないが、水分量を少なくすることができるた
め、寒剤全体の熱容量が小となり、従って０℃以下の温
度発生時に寒剤自体が容易に低温となること及び寒剤が
低温の溶解度の小さい領域で飽和に達し、最低温度に至
った後、系外からの熱によって７１℃と僅かに温度が上
昇すると、さらに溶解が進行し、その溶解熱分だけ温度
上昇が妨げられるが。As mentioned above, the details of why the present invention is able to maintain the low temperature for a longer time than conventional cryogens will require further research, but since the water content can be reduced, the heat capacity of the entire cryogen will increase. Therefore, when a temperature below 0°C occurs, the cryogen itself easily becomes low temperature, and the cryogen reaches saturation in the low-temperature region of low solubility, and after reaching the lowest temperature, the temperature rises to 71°C due to heat from outside the system. When the temperature rises slightly, the melting progresses further, and the temperature rise is hindered by the heat of melting.
この時本発明の組合せの寒剤では硝酸アンモニウムと水
に易溶性の有機化合物の溶解度が互いに影響せずに水に
溶解するために、低温の経時変化が緩やかとなシ、従っ
て低温保持時間を長くできるものと考えられる。At this time, in the combined cryogen of the present invention, the solubility of ammonium nitrate and the easily water-soluble organic compound dissolve in water without affecting each other, so the temperature change over time is gradual, and therefore the low temperature retention time can be extended. considered to be a thing.
本発明は以上の如く、無水の硝酸アンモニウムと水に易
溶性の有機化合物との組合せからなる寒剤で、添加水量
を少なくでき、しかも低温保持時間を長くでき、従って
本発明−を適宜合成樹脂製の袋又は容器に収納しておき
、使用に当り、該合成樹脂製の袋又は容器に水を添加す
ることによって水枕、冷湿布さらには携帯用クーラー等
の保冷器などとすることができるという利点がある。As described above, the present invention is a cryogen consisting of a combination of anhydrous ammonium nitrate and an organic compound that is easily soluble in water, and the amount of added water can be reduced and the low temperature holding time can be extended. It has the advantage that it can be stored in a bag or container, and when used, by adding water to the synthetic resin bag or container, it can be used as a water pillow, a cold compress, or even a cooler for a portable cooler. be.
図面は本発明と従来の寒剤との温度の経時変化を示すグ
ラフである。
特許出願人
昭和石油株式会社
代理人 市 川 理 吉The figure is a graph showing temperature changes over time between the present invention and a conventional cryogen. Patent applicant Showa Sekiyu Co., Ltd. Agent Rikichi Ichikawa
Claims (1)
ナトリウム、酒石酸カリウム若しくは酒石酸ナトｌ）ラ
ム・カリウムの如き水溶性の有機化合物との混合物から
なり、水に溶解して負の溶解熱を生ずることを特徴とす
る寒剤。It consists of a mixture of anhydrous ammonium nitrate and a water-soluble organic compound such as urea, thiourea, or sodium tartrate, potassium tartrate, or rum potassium, and is characterized by its ability to dissolve in water and generate a negative heat of solution. Cryogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59048521A JPS60192782A (en) | 1984-03-14 | 1984-03-14 | cryogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59048521A JPS60192782A (en) | 1984-03-14 | 1984-03-14 | cryogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60192782A true JPS60192782A (en) | 1985-10-01 |
Family
ID=12805656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59048521A Pending JPS60192782A (en) | 1984-03-14 | 1984-03-14 | cryogen |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60192782A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5146585A (en) * | 1974-10-21 | 1976-04-21 | Hiroshi Nakajima |
-
1984
- 1984-03-14 JP JP59048521A patent/JPS60192782A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5146585A (en) * | 1974-10-21 | 1976-04-21 | Hiroshi Nakajima |
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