CN111437434B - 一种次氯酸液体敷料及其制备方法 - Google Patents
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- 239000007788 liquid Substances 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 14
- -1 hydroxyl ions Chemical class 0.000 claims abstract description 12
- 239000011780 sodium chloride Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000012528 membrane Substances 0.000 claims description 30
- 238000005341 cation exchange Methods 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 13
- 239000003011 anion exchange membrane Substances 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 10
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- 239000002994 raw material Substances 0.000 claims description 5
- 238000007865 diluting Methods 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 3
- HJPBEXZMTWFZHY-UHFFFAOYSA-N [Ti].[Ru].[Ir] Chemical compound [Ti].[Ru].[Ir] HJPBEXZMTWFZHY-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract description 12
- 239000000460 chlorine Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052801 chlorine Inorganic materials 0.000 abstract description 4
- 239000003899 bactericide agent Substances 0.000 abstract description 3
- 230000001937 non-anti-biotic effect Effects 0.000 abstract description 3
- 230000002500 effect on skin Effects 0.000 abstract description 2
- 238000005868 electrolysis reaction Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 230000001954 sterilising effect Effects 0.000 abstract description 2
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 1
- 229910001415 sodium ion Inorganic materials 0.000 description 9
- 239000005708 Sodium hypochlorite Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
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Abstract
本发明公开了一种次氯酸液体敷料及其制备方法，属于广谱非抗生素类物理杀菌剂，其主要成分由水、次氯酸和氢氧根离子组成，pH值为6.6～7.6之间，次氯酸浓度为10～60mg/L。本发明采用三次电解的方法，制备得到了该产品，解决了目前次氯酸液体敷料中多余的盐酸和NaCl，组成成分中仅剩余部分OH‑和HClO，避免剩余盐酸所带来的风险和问题。具有非常好的稳定性，在广口瓶中避光保存10后内仍具有良好的杀菌效果，在密封条件下存放2年，有效氯(主要指HClO中的氯)不低于10mg/L。本发明经测试证明其对皮肤具有良好的收敛作用，而使用HClO和纯水勾兑的产品则无此效果。
Description
技术领域
本发明属于广谱非抗生素类物理杀菌剂领域。
背景技术
次氯酸作为一种广谱非抗生素类物理杀菌剂的用途已经被广泛证实，尤其 是低浓度的次氯酸水溶液能够起到非常好的杀菌效果，且对人体无毒副作用。 但是由于次氯酸的化学性质不稳定，很容易发生分解，限制了的应用范围，而 次氯酸钠相对稳定，因此目前现有技术的液体敷料中的主要成分中都含有次氯 酸钠，如美国OCULUS公司生产的德赛恩液体敷料，其主要成分为次氯酸、次 氯酸钠和氯化钠，此外经过测试，其pH为4～6之间，因此其成分中还包含一定 量的盐酸。目前已知的情况是盐酸对于次氯酸液体敷料来说完全属于多余的成 分，不仅对于杀菌效果没有任何作用，还有可能对处理过的伤口产生伤害。另 外氯化钠也是成分中多余的成分，现有的生产方法是将氯化钠通过电解反应制 备次氯酸，所以其属于原料的残留。
发明内容
为了解决上述问题，本发明公开了一种次氯酸液体敷料，其主要成分由水、 次氯酸和氢氧根离子组成，pH值为6.6～7.6之间，次氯酸浓度为10～60mg/L。
所述的次氯酸液体敷料的制备方法具体步骤如下：
1)以浓度为500mg/LNaCl水溶液为原料，在电解槽中反应，电解槽阳极 和阴极之间通过阳离子交换膜隔开，所述的阳离子交换膜仅允许Na+穿过阳离子 交换膜，电解槽通电后使Na+能够穿过阳离子交换膜向阴极方向移动，反应至 Na+全部移动至阴极，同时在阳极上Cl-失电子氧化生成HClO；
2)将反应1)中阳极溶液稀释至HClO浓度为10～15mg/L后转移至第二个 电解槽中，电解槽阳极和阴极之间通过一个质子交换膜隔开，所述的质子交换 膜仅允许H+穿过质子交换膜，电解槽通电后使H+能够穿过质子交换膜向阴极方 向移动，反应至一部分H+移动至阴极，同时在阳极上Cl-继续失电子氧化生成 HClO；
3)将反应2)中阳极溶液转移至第三个电解槽中，电解槽阳极和阴极之间 通过一个阴离子交换膜隔开，所述的阴离子交换膜仅允许氢氧根离子穿过，电 解槽通电后使氢氧根离子能够穿过阴离子交换膜进入阳极。
本发明中阳极为金属铂，阴极为金属钛钌铱。
本发明的有益效果：
1)本发明解决了目前次氯酸液体敷料中多余的盐酸和NaCl，组成成分中仅 剩余部分OH-和HClO，避免剩余盐酸所带来的风险和问题。
2)本发明中的次氯酸液体敷料具有非常好的稳定性，在广口瓶中避光保存 10后内仍具有良好的杀菌效果，在密封条件下存放2年，有效氯(主要指HClO 中的氯)不低于10mg/L。
3)本发明经测试证明其对皮肤具有良好的收敛作用，而使用HClO和纯水 勾兑的产品则无此效果。
附图说明
图1为本发明步骤1)中使用的电解槽原理图；
图2为本发明步骤2)中使用的电解槽原理图；
图3为本发明步骤3)中使用的电解槽原理图。
图4为本发明方法流程示意图。
具体实施方式
下面结合附图以具体实施例的形式对本发明技术方案做进一步解释和说明。
本实施例中一种次氯酸液体敷料，其主要成分由水、次氯酸和氢氧根离子 组成，pH值为6.6～7.6之间，次氯酸浓度为10～60mg/L。
所述的次氯酸液体敷料的制备方法具体步骤如下：
1)以浓度为500mg/LNaCl水溶液为原料，在电解槽中反应，电解槽阳极 和阴极之间通过阳离子交换膜隔开，所述的阳离子交换膜仅允许Na+穿过阳离子 交换膜，电解槽通电后使Na+能够穿过阳离子交换膜向阴极方向移动，反应至 Na+全部移动至阴极，同时在阳极上Cl-失电子氧化生成HClO；
在氯碱工业中Cl-首先失电子生成单质Cl，但由于本发明电解槽在密封条件 下，无法以气体形式放出因此其会进一步失电子生成HClO，本步骤中Na+绝大 多数会移动至阴极附近，但是阳极附近仍有可能会有极少残留，但在步骤2)中 会进行稀释，因此认为步骤2)中没有Na+；
2)将反应1)中阳极溶液稀释至HClO浓度为10～15mg/L后转移至第二个 电解槽中，电解槽阳极和阴极之间通过一个质子交换膜隔开，所述的质子交换 膜仅允许H+穿过质子交换膜，电解槽通电后使H+能够穿过质子交换膜向阴极方 向移动，反应至一部分H+移动至阴极，同时在阳极上Cl-继续失电子氧化生成 HClO；
本步中，主要目的是反应除去Cl-，使上一步未完全反应的Cl-完全反应掉， 同时通过电解反应，除去了H+，因此本步反应后Na+和Cl-及HC1被完全除去。
3)将反应2)中阳极溶液转移至第三个电解槽中，电解槽阳极和阴极之间 通过一个阴离子交换膜隔开，所述的阴离子交换膜仅允许氢氧根离子穿过，电 解槽通电后使氢氧根离子能够穿过阴离子交换膜进入阳极。
第3)步为可选步骤，本步中主要目的是提高产品的pH值，使其更加稳定。
Claims (3)
1.一种次氯酸液体敷料，其主要成分由水、次氯酸和氢氧根离子组成，pH值为6.6～7.6之间，次氯酸浓度为20～60mg/L；其制备方法具体步骤如下：
1)以浓度为500mg/L NaCl水溶液为原料，在电解槽中反应，电解槽阳极和阴极之间通过阳离子交换膜隔开，所述的阳离子交换膜仅允许Na+穿过阳离子交换膜，电解槽通电后使Na+能够穿过阳离子交换膜向阴极方向移动，反应至Na+全部移动至阴极，同时在阳极上Cl-失电子氧化生成HClO；
2)将反应1)中阳极溶液稀释至HClO浓度为10～15mg/L后转移至第二个电解槽中，电解槽阳极和阴极之间通过一个质子交换膜隔开，所述的质子交换膜仅允许H+穿过质子交换膜，电解槽通电后使H+能够穿过质子交换膜向阴极方向移动，反应至H+全部移动至阴极，同时在阳极上Cl-继续失电子氧化生成HClO；
3)将反应2)中阳极溶液转移至第三个电解槽中，电解槽阳极和阴极之间通过一个阴离子交换膜隔开，所述的阴离子交换膜仅允许氢氧根离子穿过，电解槽通电后使氢氧根离子能够穿过阴离子交换膜进入阳极。
2.一种如权利要求1所述的次氯酸液体敷料的制备方法，其特征在于，其具体步骤如下：
1)以浓度为500mg/L NaCl水溶液为原料，在电解槽中反应，电解槽阳极和阴极之间通过阳离子交换膜隔开，所述的阳离子交换膜仅允许Na+穿过阳离子交换膜，电解槽通电后使Na+能够穿过阳离子交换膜向阴极方向移动，反应至Na+全部移动至阴极，同时在阳极上Cl-失电子氧化生成HClO；
2)将反应1)中阳极溶液稀释至HClO浓度为10～15mg/L后转移至第二个电解槽中，电解槽阳极和阴极之间通过一个质子交换膜隔开，所述的质子交换膜仅允许H+穿过质子交换膜，电解槽通电后使H+能够穿过质子交换膜向阴极方向移动，反应至H+全部移动至阴极，同时在阳极上Cl-继续失电子氧化生成HClO；
3)将反应2)中阳极溶液转移至第三个电解槽中，电解槽阳极和阴极之间通过一个阴离子交换膜隔开，所述的阴离子交换膜仅允许氢氧根离子穿过，电解槽通电后使氢氧根离子能够穿过阴离子交换膜进入阳极。
3.根据权利要求2所述的次氯酸液体敷料的制备方法，其特征在于，阳极为金属钛钌铱阳极，阴极为金属铂。
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| US8871278B2 (en) * | 2011-03-18 | 2014-10-28 | Puricore, Inc. | Stabilized hypohalous acid solutions |
| EP3016664A1 (en) * | 2013-07-01 | 2016-05-11 | Puricore Inc. | Antimicrobial compositions comprising hypochlorous acid and silver |
| CN110917211A (zh) * | 2019-12-20 | 2020-03-27 | 苏州东泉生物科技有限公司 | 一种适用于体表创口清洗及防护用液体敷料 |
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2020
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