KR101270475B1 - Non-heavy metal humidity indicating composition and kit using the same - Google Patents
Non-heavy metal humidity indicating composition and kit using the same Download PDFInfo
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Abstract
Description
본 발명은 중금속 무함유 습도지시제 및 이를 이용한 습도지시키트에 관한 것으로서, 특히 습기에 민감한 제품을 보호하고, 포장상태의 안정성을 용이하게 확인할 수 있는 중금속 무함유 습도지시제 및 이를 이용한 습도지시키트에 관한 것이다.The present invention relates to a heavy metal-free humidity indicator and a humidity indicator kit using the same, in particular, a heavy metal-free humidity indicator and a humidity indicator using the same, which can protect moisture-sensitive products and easily check the stability of the packaging state. It is about.
일반적으로 습도지시키트는 명함정도 크기의 압지의 일부분에 습도지시용액을 인쇄(printing) 또는 첨착(impregnation) 하므로써 상대습도의 변화에 따라 변색정도를 쉽게 확인할 수 있는 특성이 있다.In general, the humidity paper sheet has a characteristic of easily discoloring according to the change of relative humidity by printing or impregnation of the humidity indicating solution on a part of the blotter paper of the size of a business card.
이에, 반도체 또는 인쇄회로기판 등과 같이 습기로 인해 제품에 손상이 발생할 우려가 있는 제품의 포장 시 포장 내부에 상기와 같은 습도지시키트를 함께 투입하여 피포장된 제품의 손상여부 및 포장상태를 판단하게 된다.Therefore, when packaging a product that may cause damage to the product due to moisture, such as a semiconductor or a printed circuit board, such humidity paper shall be put in the package together to determine whether the packaged product is damaged and the packaging state. do.
현재 사용되고 있는 습도지시제의 지시용액은 1984년에 제정된 미국방성 규격인 MIL-I-8835A에 따라 염화코발트(cobalt(II) chloride) 수용액을 사용하는데, 이 지시용액은 건조시에는 청색(blue)을 나타내다가 대기 중의 습도에 따라 수분을 흡수하게 되면 분홍색(pink)으로 변함으로써 해당되는 상대습도를 지시하게 된다. Currently used humidity indicator solution uses cobalt (II) chloride solution according to the US defense standard MIL-I-8835A established in 1984. This indicator solution is blue when dried. ) And absorb moisture according to the humidity in the air, turning pink to indicate the relative humidity.
그러나 1998년에 유럽연합(EU)에서는 유럽연합관보(European Council Directive) 67/548/EEC의 25번째 기술규정인 유럽연합문서(European Commission Directive) 98/98/EC을 통해, Annex IV에 염화코발트를 Carcinogenic Category II (잠재적 발암유발물질: 인체에 대한 데이터는 없지만 동물의 흡입 후 발암기록이 있는 물질을 의미하며, 제품 내 염화코발트의 함량이 0.01% 이상일 경우 이를 'R49'로 표기해야 한다.)로 분류하여 2000년 7월경에 발효되었다.However, in 1998, the European Union cobalt chloride in Annex IV through the European Commission Directive 98/98 / EC, the 25th technical regulation of the European Council Directive 67/548 / EEC. Carcinogenic Category II (Potential Carcinogenic Substances: No data on human body but refers to a substance with carcinogenicity after inhalation of animal. If the content of cobalt chloride in the product is 0.01% or higher, it should be labeled as 'R49'.) It became effective around July 2000.
또한, 같은 관보인 유럽연합문서 2004/73/EC의 29번째 기술규정에서 염화코발트의 함량에 따른 취급규정을 세분화한 내용으로 개정하여, 2005년 10월경에 발효됨으로써 사실상 코발트화합물의 사용에 있어서 막강한 규제의 근거를 가지게 되어, 염화코발트를 사용한 제품에 대한 판매가 규제되고 있다.In addition, the 29th technical regulation of the European Union document 2004/73 / EC, which is also published in the same publication, has been revised to detail the handling regulations according to the content of cobalt chloride, and entered into force in October 2005. Due to the regulation, sales of products using cobalt chloride are regulated.
본 발명이 이루고자 하는 기술적 과제는 중금속을 함유하지 않은 친환경적인 습도지시제를 제공하는 것이다.The technical problem to be achieved by the present invention is to provide an environment-friendly humidity indicator does not contain heavy metals.
본 발명이 이루고자 하는 기술적 다른 과제는 습기에 민감한 제품을 방습, 밀봉 포장을 하는 경우에 포장상태의 안전성을 용이하게 판단할 수 있는 습도지시키트를 제공하는데 있다.Another object of the present invention is to provide a humidity paper kit that can easily determine the safety of the packaging state in the case of moisture-proof, sealed packaging moisture-sensitive products.
본 발명의 한 특징에 따른 습도지시제는 습도설정치보다 습도가 낮으면 녹색계통의 색상으로 변색되고, 높으면 보라색 계통의 색상으로 변색이 되고, 이습도지시제의 구성은 용매, 주지시제 및 조습제로 구성되는 주지시액, pH조절제 로 구성되는 보조지시액 및 수용성염료와 침전방지제를 포함하는 첨가액으로 이루어 진다.When the humidity indicator according to a feature of the present invention is lower than the humidity setting value is changed to the color of the green system, when the high is changed to the color of the purple system, the composition of the humidity indicator is a solvent, a known agent and a humectant. It consists of a known solution, an auxiliary indicator consisting of a pH adjuster and an additive solution containing a water-soluble dye and a precipitation inhibitor.
상기 주지시액는 pH변화에 따라 변색되며, 상기 pH조절제는 상대습도에 따라 상기 주지시액의 색이 변하도록 pH를 조절하는 특징을 갖는다.The main solution is discolored according to the pH change, and the pH adjusting agent has a characteristic of adjusting the pH to change the color of the main solution according to the relative humidity.
상기 용매는 원소 주기표 제7B족의 불소, 염소, 브롬, 요오드, 아스타틴 등의 할로겐 화합물이 포함되지 않은 물로서 54-75중량%(wt%),The solvent is water containing no halogen compounds, such as fluorine, chlorine, bromine, iodine, and astatin of Group 7B of the periodic table, 54-75 wt% (wt%),
상기 주지시제는 알리자린레드, 브로모크레졸퍼플, 벤자우린, 크레졸벤자인, 페놀레드, 브로모페놀레드(중성/염기성영역), 클로로페놀레드, 에틸레드, 에틸오렌지(산성영역) 중에 선택된 하나 또는 그 이상의 혼합물로서 0.01-0.5중량%, The known reagent is one selected from alizarin red, bromocresol purple, benzauline, cresol benzine, phenol red, bromophenol red (neutral / basic region), chlorophenol red, ethyl red, ethyl orange (acidic region) or 0.01-0.5% by weight as a mixture of more,
상기 조습제는 글리세린, 염화칼슘, 염화나트륨, 염화마그네슘, 황산나트륨 또는 황산마그네슘 중 선택된 하나 또는 그 이상의 혼합물로서 1-5 중량%, The humectant is a mixture of one or more selected from glycerin, calcium chloride, sodium chloride, magnesium chloride, sodium sulfate or magnesium sulfate, 1-5% by weight,
상기 상기 주시지제가 황색에서 적색 또는 적색에서 황색으로 전이하도록 해주는 pH조절제는 초산, 구연산, 옥살산, 염산, 황산, 완충용액(버퍼용액), 수산화나트륨, 수산화칼륨 중에 선택된 하나 또는 그 이상의 혼합물로서 10~25 중량%,The pH adjusting agent for the transition agent from yellow to red or red to yellow is a mixture of one or more selected from acetic acid, citric acid, oxalic acid, hydrochloric acid, sulfuric acid, buffer (buffer solution), sodium hydroxide, potassium hydroxide, 10 ~ 25% by weight,
상기 수용성염료는 식용색소 청색1호, 식용색소 청색2호, 식용색소 청색1호 알루미늄레이크, 치자청색소 중 선택된 하나 또는 그 이상의 혼합물로서 0.01-0.5 중량%, The water-soluble dye is a mixture of one or more selected from food coloring blue No. 1, food coloring blue No. 2, food coloring blue No. 1 aluminum lake, gardenia blue pigment 0.01-0.5% by weight,
상기 침전방지제는 폴리에틸렌글리콜(polyethylene glycol), 폴리프로필렌글리콜(polypropylene glycol), 폴리솔베이트(polysorbate), 리조레시틴(lysolecithin) 중 선택된 하나 또는 그 이상의 혼합물로서 1-15 중량% 를 첨가하여 조성되는 것이 좋다.The precipitation inhibitor is one or more mixtures selected from polyethylene glycol, polypropylene glycol, polysorbate, lysolecithin, and the composition is added by adding 1-15% by weight. good.
이와 같이 용매, 주시시제, 조습제, pH조절제, 수용성염료 및 침전방지제를 혼합하여 제조된 본 발명의 습도지시제는 미리 정해 놓은 습도 설정 값에 따라 녹색을 띄는 계열 또는 보라색을 띄는 계열로 표시가 된다. 여기서 미리 정해 놓은 습도설정값은 통상의 5%~95%의 상대습도범위 내에서 정해질 수 있다.Thus, the humidity indicator of the present invention prepared by mixing a solvent, a visual aid, a humectant, a pH adjuster, a water-soluble dye, and a precipitation inhibitor is displayed in a greenish or purpleish series according to a predetermined humidity setting value. do. The predetermined humidity setting value may be determined within a relative humidity range of 5% to 95%.
본 발명의 다른 특징에 따른 습도지시키트는 위에 기재한 습도지시제를 포함한다.Humidity sheet according to another feature of the invention comprises the humidity indicator described above.
상기 습도지시키트는 상기 습도지시키트의 압지에는 상기 첨가액의 함량을 달리하여 상대습도의 크기에 따라 변색을 확인할 수 있는 다수의 습도지시제를 배열하여 구성된다.The humidity paper sheet is configured by arranging a plurality of humidity indicators to check the discoloration according to the size of the relative humidity by varying the content of the additive liquid in the blotting paper of the humidity paper sheet.
이러한 특징에 따르면, 환경규제 대상물질인 염화코발트를 사용하지 않은 습도지시제를 제공하므로 환경 오염의 염려가 없어진다. 또한, 환경친화적인 특성으로 인해, 산업적 용도뿐만 아니라, 식품, 의약품 및 병원이나 아기방과 같이 적정습도를 유지해야 하는 장소의 관리용 등 넓은 범위에서 활용이 가능하다.According to this feature, there is no concern about environmental pollution since it provides a humidity indicator that does not use cobalt chloride, which is an environmental regulation target material. In addition, due to the environment-friendly characteristics, it can be used not only for industrial use, but also for a wide range of applications such as food, medicine, and management of places where proper humidity should be maintained, such as a hospital or a nursery.
아울러, 환경에 친화적인 차세대 제품으로서 품질 우위의 경쟁력을 갖게 됨으로써, 외국제품이 점유하고 있는 국내시장의 대체는 물론 아직까지 중금속 함유되지 않은 습도지시키트가 개발되지 않은 해외시장을 잠식, 선점하는데 기술우위를 확보할 수 있다.In addition, as a next-generation product that is environmentally friendly, it has a competitive edge in quality, thus not only replacing the domestic market occupied by foreign products but also encroaching on and preoccupying the overseas market in which humidity paper kits that do not contain heavy metals have not yet been developed. Gain an edge
도 1은 본 발명의 중금속 무함유 습도지시키트의 사시도면이다.
도 2는 기존 염화코발트를 사용한 습도지시키트를 나타낸 도면이다.
도 3은 본 발명의 중금속 무함유 습도지시키트를 나타낸 도면이다.1 is a perspective view of a heavy metal free humidity paper sheet of the present invention.
2 is a view showing a humidity paper kit using a conventional cobalt chloride.
3 is a view showing a heavy metal-free humidity paper sheet of the present invention.
이하, 본 발명을 상세하게 설명하며, 본 발명의 요지를 불필요하게 흐릴 수 있는 공지 기능 및 구성에 대한 상세한 설명은 생략한다.Hereinafter, the present invention will be described in detail, and detailed descriptions of well-known functions and configurations that may unnecessarily obscure the subject matter of the present invention will be omitted.
본 발명의 한 실시예에 따른 습도지시제는 중금속을 함유하지 않는 중금속 무함유 습도지시제로서, 본 실시예에 따른 습도지시제는 주지시액에, 보조지시액인 pH조절제, 조습제, 수용성 염료 및 침전방지제를 첨가하여 조성된 습도지시용액을 포함한다.Humidity indicator according to an embodiment of the present invention is a heavy metal-free humidity indicator does not contain a heavy metal, the humidity indicator according to this embodiment is a pH indicator, a humidity control agent, a water-soluble dye as an auxiliary indicator solution And a humidity indicating solution prepared by adding a precipitation inhibitor.
주지시제는 pH의 변화에 따라 색이 변하는 것을 의미하는 것으로, 알리자린레드, 브로모크레졸퍼플, 벤자우린, 크레졸벤자인, 페놀레드, 브로모페놀레드, 클로로페놀레드, 에틸레드, 에틸오렌지 중 선택된 어느 하나 또는 그 이상의 혼합물을 사용한다.The main agent means that the color changes with the change of pH, and is selected from alizarin red, bromocresol purple, benzauline, cresol benzine, phenol red, bromophenol red, chlorophenol red, ethyl red, and ethyl orange. Either one or more mixtures are used.
pH조절제는 상대습도에 따라 색이 변하도록 pH를 조절해주는 것으로, 산 또는 염기성 시약을 사용하며, 바람직하게는 초산, 구연산, 옥살산, 염산, 황산, 완충용액(즉, 버퍼용액), 수산화나트륨, 수산화칼륨 중 선택된 어느 하나 또는 그 이상의 혼합물을 사용한다.The pH adjusting agent adjusts the pH to change color according to relative humidity. An acid or basic reagent is used, preferably acetic acid, citric acid, oxalic acid, hydrochloric acid, sulfuric acid, buffer solution (ie buffer solution), sodium hydroxide, A mixture of any one or more of potassium hydroxide is used.
pH조절제의 첨가량은 상기 주지시액의 중량대비 10~25 중량%(wt%)를 첨가하며, pH조절제가 10중량% 미만이면 상대습도에 따른 주지시제의 색변화를 조절해주지 못하며, 25 중량%를 초과하면 25 중량%일 때와 특별한 색변화 차이가 없어 경제적으로 적합하지 않다.The addition amount of the pH adjuster is added 10 to 25% by weight (wt%) relative to the weight of the known solution, if the pH adjuster is less than 10% by weight can not control the color change of the known reagent according to the relative humidity, 25% by weight If it exceeds 25% by weight and there is no special color change difference, it is not economically suitable.
본 발명의 습도지시키트는 상기와 같이 조성된 습도지시제를 이용한 것으로서, 도 1에 도시된 바와 같이 상기 본 발명의 중금속이 없는 습도지시용액에 습도별로 색변화를 나타내주는 첨가액의 함량을 달리해서 첨가하여 상대습도의 크기에 따라 변색을 확인할 수 있도록 마련되는 다수개의 습도지시제(3)를 습도별로 압지(blotting paper)(1)의 일면에 배열되어 있는 지시스팟에 첨착(impregnation)하여 제조한다. Humidity paper sheet of the present invention is to use the humidity indicator composition prepared as described above, as shown in Figure 1 is different from the content of the additive solution showing the color change for each humidity in the humidity indicator solution without the heavy metal of the present invention It is prepared by attaching a plurality of humidity indicators (3) prepared to add color by checking the discoloration according to the size of the relative humidity to the indicator spots arranged on one side of the blotting paper (1) for each humidity do.
본 발명의 한 실시예에 따른 습도지시키트의 제조방법에 대해 구체적으로 설명하면, 첫째, 알리자린레드, 브로모크레졸퍼플, 벤자우린, 크레졸벤자인, 페놀레드, 브로모페놀레드, 클로로페놀레드, 에틸레드, 에틸오렌지 중에서 선택된 어느 하나 또는 그 이상의 혼합물로 이루어진 주지시제를 용매에 녹여서 주지시액를 만든다.Detailed description of the manufacturing method of the humidity paper sheet according to an embodiment of the present invention, first, alizarin red, bromocresol purple, benzauline, cresolbenzaine, phenol red, bromophenol red, chlorophenol red, A known reagent consisting of a mixture of one or more selected from ethyl red and ethyl orange is dissolved in a solvent to prepare a known reagent.
이때, 사용된 용매로는 알코올, 상용화 되어 있는 버퍼용액, 물 중 선택된 하나 또는 그 이상의 혼합물을 사용할 수 있으나, 알코올의 경우는 물보다는 건조가 용이하나 첨착 전 혹은 첨착 후 건조하기 전에 휘발이 되므로 함유량이 달라질 수 있어 습도지시제의 농도가 달질 수 있어, 본 예에 따른 용매인 물은 원소 주기표 제7B족의 불소, 염소, 브롬, 요오드, 또는 아스타틴 등의 할로겐 화합물이 포함되지 않은 물을 사용하는 것이 바람직하다. At this time, the solvent used may be one or more mixtures selected from alcohol, commercially available buffer solution, and water, but alcohol is easier to dry than water, but volatilizes before drying or after deposition. Since the concentration of the humidity indicator may vary, the solvent, according to the present example, may be water, which is free of halogen compounds such as fluorine, chlorine, bromine, iodine, or astatin of Group 7B of the periodic table. It is desirable to.
상기 주지시액에는 0.01~0.5중량%의 주지시제가 함유됨이 바람직하다.It is preferable that the known reagent contains 0.01 to 0.5% by weight of a known reagent.
둘째 상기 주지시액에 글리세린, 염화칼슘, 염화나트륨, 염화마그네슘, 황산나트륨 또는 황산마그네슘 중 1종이상의 조습제 추가 될 수 있다.Secondly, one or more humectants of glycerin, calcium chloride, sodium chloride, magnesium chloride, sodium sulfate, or magnesium sulfate may be added to the known solution.
이때, 조습제는 상시 주시시액의 중량대비 1-5 중량% 범위 내에서 첨가한다. At this time, the humectant is added within the range of 1-5% by weight relative to the weight of the constantly staring solution.
셋째, 상기 주지시액에 초산, 구연산, 옥살산, 염산, 황산, 완충용액(즉, 버퍼용액), 수산화나트륨, 수산화칼륨 중 선택된 어느 하나 또는 그 이상의 혼합물로 구성된 pH조절제를 첨가하여 pH의 변화에 따라 주지시액의 색이 변화되도록 한 본 발명의 중금속 무함유 습도지시제를 만든다.Third, a pH adjuster consisting of a mixture of one or more selected from acetic acid, citric acid, oxalic acid, hydrochloric acid, sulfuric acid, a buffer solution (i.e., buffer solution), sodium hydroxide, potassium hydroxide, is added to the known solution according to the change of pH. A heavy metal-free humidity indicator of the present invention is made to change the color of the known solution.
이때, pH조절제는 상기 주지시액의 중량대비 10~25 중량% 범위 내에서 첨가한다.At this time, the pH adjusting agent is added within the range of 10 to 25% by weight relative to the weight of the known solution.
네째, 상기 주지시액에는 수용성 염료와 침전방지제를 함유하고 있는 첨가액이 첨가 될 수 있으며, 수용성 염료는 식용색소 청색1호, 식용색소 청색2호, 식용색소 청색1호 알루미늄레이크, 치자청색소 중 1종 이상으로 구성되는 것이 바람직하며, 침전방지제는 폴리에틸렌글리콜(polyethylene glycol), 폴리프로필렌글리콜(polypropylene glycol), 폴리솔베이트(polysorbate), 리조레시틴(lysolecithin) 중 1종 이상으로 구성되는 것이 바람직하다. Fourth, the addition solution containing a water-soluble dye and a precipitation inhibitor may be added to the known solution, and the water-soluble dye is food coloring blue No. 1, food coloring blue No. 2, food coloring blue No. 1 aluminum lake, and gardenia blue pigment. It is preferably composed of one or more, and the precipitation inhibitor is preferably composed of one or more of polyethylene glycol, polypropylene glycol, polysorbate, lysolecithin. .
이때, 상기 첨가액은 상기 습도지시제의 중량대비 10~20중량% 범위 내에서 첨가한다.At this time, the addition liquid is added within the range of 10 to 20% by weight relative to the weight of the humidity indicator.
마지막으로 상기와 같이 제조된 다수개의 습도지시제를 압지에 배열된 지시스팟(indicating spot)에 습도별로 첨착시켜 습도 정도를 판별하는 습도지시키트를 제조한다.Finally, a plurality of humidity indicators prepared as described above are attached to the indicator spots (indicating spots) arranged on the paper, for each humidity to prepare a humidity sheet to determine the degree of humidity.
즉, 본 발명의 상기 습도지시키트는 중금속 및 중금속화합물을 전혀 사용하지 않은 것이며, 특히 상대습도에 따라 지시스팟의 색이 변하여 습도상태를 확인할 수 있다.That is, the humidity sheet of the present invention is not used at all heavy metals and heavy metal compounds, in particular, the color of the indicator spot can be changed according to the relative humidity can confirm the humidity state.
본 발명의 한 실시예에 따른 습도지시제의 적용방법의 한 예를 보면 다음과 같다.An example of the application method of the humidity indicator according to an embodiment of the present invention is as follows.
도 2에 도시된 바와 같이 기존의 습도지시키트는 압지(1)에 흑색잉크로 지시스팟(spot)과 지시내용을 인쇄한 다음, 지시스팟에 염화코발트 수용액(2)을 첨착(impregnation)하여 제작한 것이다. As shown in FIG. 2, the conventional humidity paper sheet is produced by printing an indicator spot and instructions with black ink on the
이러한 기존의 습도지시제는 염화코발트의 특성에 의해 상대습도에 따라 지시스팟(indicating spot)에 표시되어 있는 습도설정치보다 낮은 습도(건조)일 때는 청색(blue)을, 높은 습도일 때는 분홍색(pink)을 나타내었다.The existing humidity indicators are blue at low humidity (dry) and pink at high humidity, depending on the relative humidity, depending on the relative humidity. ).
이에 반면, 본 발명의 습도지시키트는 도 3에 도시된 바와 같이 도 1과 같은 구조의 압지[blotting paper(1)]에 인쇄된 지시스팟(spot)에 표시되어 있는 습도설정치에 맞추어 습도지시용액에 서로 다른 함량의 첨가액을 각각 첨가한 다수개의 습도지시제(3)들을 습도별로 첨착하여 제조하였다.On the other hand, the humidity paper sheet of the present invention, as shown in Figure 3, the humidity indicator solution in accordance with the humidity setting value indicated on the spot (spot) printed on the blotting paper (1) of the structure as shown in FIG. To prepare a plurality of humidity indicators (3) to each of the addition of different amounts of the addition liquid to each humidity was added.
상기 환경규제 물질인 염화코발트 수용액(2) 대신 대체된 본 발명의 중금속 무함유 습도지시제는 코발트를 포함한 중금속을 전혀 사용하지 않은 것이며, 이를 첨착시켜 제조된 습도지시제는 상대습도에 따라 지시스팟(indicating spot)에 표시되어 있는 습도설정치보다 낮은 습도(건조)일 때는 녹색(green)을, 높은 습도일 때는 보라색(violet)을 나타냄으로써 기존의 염화코발트를 사용한 제품과는 확연하게 구별됨을 확인하였다.Instead of the cobalt chloride aqueous solution (2), which is the environmental regulatory substance, the heavy metal-free humidity indicator of the present invention does not use any heavy metal including cobalt, and the humidity indicator prepared by attaching it to the indicator spot according to the relative humidity. It is confirmed that it is distinguished from the product using cobalt chloride by showing green at low humidity (violet) and violet at high humidity (humidity) lower than the humidity setting value indicated on the individual spot (indicating spot). .
상기의 본 발명은 바람직한 예를 중심으로 살펴보았으며, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자는 본 발명의 본질적 기술 범위 내에서 상기 본 발명의 상세한 설명과 다른 형태의 예들을 구현할 수 있을 것이다. 여기서 본 발명의 본질적 기술범위는 특허청구범위에 나타나 있으며, 그와 동등한 범위 내에 있는 모든 차이점은 본 발명에 포함된 것으로 해석되어야 할 것이다. The present invention has been described with reference to preferred examples, and those skilled in the art to which the present invention pertains may be embodied in the form and other forms of the detailed description of the present invention within the essential technical scope of the present invention. will be. The scope of the present invention is defined by the appended claims, and all differences within the scope of the claims are to be construed as being included in the present invention.
1: 압지 2: 염화코발트 습도지시제
3: 중금속 무함유 습도지시제1: blotting paper 2: cobalt chloride humidity indicator
3: Humidity indicator without heavy metal
Claims (2)
알리자린레드, 브로모크레졸퍼플, 벤자우린, 크레졸벤자인, 페놀레드, 브로모페놀레드, 클로로페놀레드, 에틸레드, 에틸오렌지중 1종 이상을 구비하고 0.01-0.5중량%를 갖는 주지시제,
글리세린, 염화칼슘, 염화나트륨, 염화마그네슘, 황산나트륨 또는 황산마그네슘 중 1종이상을 구비하고 1-5 중량%를 갖는 조습제,
상기 주지시제와 조습제를 용융시키는 용매이고 54-75중량%을 갖는 물,
초산, 구연산, 옥살산, 염산, 황산, 버퍼용액, 수산화나트륨, 수산화칼륨 중 1종 이상을 구비하고 10-25 중량%를 갖는 pH조절제,
식용색소 청색1호, 식용색소 청색2호, 식용색소 청색1호 알루미늄레이크, 치자청색소 중 1종 이상을 구비하고 0.01-0.5 중량%를 갖는 수용성염료, 그리고
폴리프로필렌글리콜(polypropylene glycol), 폴리솔베이트(polysorbate), 리조레시틴(lysolecithin) 중 1종 이상을 구비하고 1-15 중량%를 갖는 침전방지제를 포함하고,
상기 습도지시제는 습도량에 따라 녹색 계열의 색상 또는 보라색 계열의 색상을 표시하는 것을 특징으로 하는 습도지시제.
In the humidity indicator,
Known initiators having 0.01-0.5% by weight of at least one of alizarin red, bromocresol purple, benzauline, cresolbenzaine, phenol red, bromophenol red, chlorophenol red, ethyl red, and ethyl orange;
Humectants with 1-5% by weight of one or more of glycerin, calcium chloride, sodium chloride, magnesium chloride, sodium sulfate or magnesium sulfate,
Water having a 54-75% by weight of a solvent for melting the above known reagent and the humectant,
PH adjuster having 10-25% by weight with one or more of acetic acid, citric acid, oxalic acid, hydrochloric acid, sulfuric acid, buffer solution, sodium hydroxide, potassium hydroxide,
A water-soluble dye having 0.01-0.5% by weight of at least one of food coloring Blue No. 1, food coloring Blue No. 2, food coloring Blue No. 1 aluminum lake, and gardenia blue pigment, and
It comprises at least one of polypropylene glycol, polysorbate, lysolecithin and comprises a precipitation inhibitor having 1-15% by weight,
The humidity indicator is a humidity indicator, characterized in that for displaying the color of the green or purple-based according to the amount of humidity.
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