A slow-release hydrogen-rich material and preparation method thereof
By organically wrapping the magnesium powder, the contact area with water is slowed down, and the problem of fast hydrogen release speed and short time after contact with water in the prior art is solved, and the long-term stable release effect of the slow-release hydrogen-rich material is achieved.
Patent Information
- Application Number
- CN202110805381.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-07-16
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2041-07-16
AI Technical Summary
In the prior art, hydrogen is generated after contact with water, and the age is short, making it difficult to meet the demand for long-term slow-release hydrogen-rich materials.
By organically wrapping the magnesium powder, the contact area with water is slowed down, thereby achieving a sustained release effect. The specific method includes mixing magnesium powder with organic solution, cellulose solution, sodium salt, calcium carbonate and zeolite powder, spray-drying and rolling to form a sustained release hydrogen-rich material.
The effect of hydrogen sustained release after contact with magnesium powder and water is achieved, extending the age and service life of the product, and significantly improving the stability and use effect of hydrogen-rich materials.
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Abstract
Description
Technical Field
[0001] The present invention mainly relates to the technical field of hydrogen-rich material preparation, and specifically relates to a slow-release hydrogen-rich material and a preparation method thereof. Background Art
[0002] As the research in the field of hydrogen molecular biology continues to deepen, more and more unique functions of hydrogen are being discovered. Hydrogen not only has a selective antioxidant effect, but also has the characteristics of strong diffusivity and permeability; it is also one of the few most superior antioxidants discovered so far without any toxic side effects. The traditional method of hydrogen production can use magnesium powder to produce hydrogen when it meets water, and the water becomes hydrogen-rich water, but its hydrogen production speed is fast and the time limit is short. Summary of the invention
[0003] In order to solve the deficiencies in the prior art, the present invention provides a slow-release hydrogen-rich material and a preparation method thereof. The slow-release hydrogen-rich material prepared by the present invention organically encapsulates magnesium powder, reduces the contact area with water, thereby achieving a slow-release effect, and can improve the timeliness and service life of the product.
[0004] In order to achieve the above object, the present invention is implemented through the following technical solutions:
[0005] The invention provides a slow-release hydrogen-rich material, which comprises the following raw materials: magnesium powder, organic solution, cellulose solution, sodium salt, calcium carbonate and zeolite powder.
[0006] Preferably, a slow-release hydrogen-rich material comprises the following raw materials, measured by weight: 20-70 parts of magnesium powder, 20-40 parts of organic solution, 10-40 parts of cellulose solution, 10-50 parts of sodium salt, 10-50 parts of calcium carbonate, and 10-40 parts of zeolite powder.
[0007] Preferably, a slow-release hydrogen-rich material comprises the following raw materials, measured by weight: 50 parts of magnesium powder, 30 parts of organic solution, 20 parts of cellulose solution, 10 parts of sodium salt, 30 parts of calcium carbonate, and 15 parts of zeolite powder.
[0008] Preferably, the organic solution comprises one or more of a polyvinyl alcohol solution, a polyethylene glycol solution, and a polyvinyl butyral solution mixed in any proportion. Preferably, the number average molecular weight of the polyvinyl alcohol is greater than 1500, and may be polyethylene-2000, polyvinyl alcohol-4000, or polyvinyl alcohol-8000; preferably, the viscosity of the polyvinyl butyral is 10-30.
[0009] Preferably, the cellulose solution comprises one or more of sodium hydroxymethylcellulose solution, ethylcellulose solution, methylcellulose solution and hydroxypropylcellulose solution mixed in any proportion. Preferably, the number average molecular weight of hydroxypropylcellulose is 8000-35000; preferably, the viscosity of ethylcellulose is 50-200; preferably, the viscosity of methylcellulose is 10-4000.
[0010] The mass percentage concentration of the organic solution is 0.1-1%, and the mass percentage concentration of the cellulose solution is 0.1-1%.
[0011] Preferably, the sodium salt is sodium alginate, sodium silicate or a mixture of the two in any proportion.
[0012] The present invention provides a method for preparing a slow-release hydrogen-rich material, comprising the following steps:
[0013] 1) preparing an organic solution and a cellulose solution;
[0014] 2) mixing magnesium powder, organic solution and cellulose solution, and spray drying to obtain spray granulated powder;
[0015] 3) mixing the spray granulation powder, sodium salt, calcium carbonate and zeolite powder to obtain a mixed powder;
[0016] 4) Roll the mixed powder into a mold.
[0017] Preferably, a method for preparing a slow-release hydrogen-rich material comprises the following steps:
[0018] 1) preparing an organic solution and a cellulose solution with a mass percentage concentration of 0.1-1%;
[0019] 2) mixing magnesium powder, organic solution and cellulose solution, stirring under a vertical stirrer, pumping into a spray tower through a diaphragm pump for spray drying to obtain spray granulated powder;
[0020] 3) mixing the spray granulation powder, sodium salt, calcium carbonate and zeolite powder in a horizontal dry powder mixer to obtain a mixed powder;
[0021] 4) The mixed powder is sprayed with water in a sugar coating machine and rolled into a sphere with a diameter of 3-5 mm.
[0022] Compared with the prior art, the beneficial effect of the present invention is that the slow-release hydrogen-rich material prepared by the present invention organically encapsulates the magnesium powder, reduces the contact area with water, thereby achieving a slow-release effect, and can improve the timeliness and service life of the product. DETAILED DESCRIPTION
[0023] The present invention will be further described in conjunction with specific examples. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art may make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to this application. The test methods for which specific conditions are not indicated in the following examples are usually carried out under conventional conditions or under the conditions recommended by the manufacturers.
[0024] The raw materials used in the following examples of the present invention are as follows:
[0025] Magnesium powder, 100-200 mesh, Hebi Victoria Metal Co., Ltd.;
[0026] Polyvinyl alcohol, model 1788, Shandong Ruihongde Chemical Technology Co., Ltd.;
[0027] Polyvinyl butyral, model 10s, Guangdong Yuemei Chemical;
[0028] Sodium carboxymethyl cellulose, model FVH9, Zhengzhou Mingxin Chemical Products Co., Ltd.;
[0029] Ethyl cellulose, model EC-50; Guangdong Yuemei Chemical;
[0030] Methyl cellulose, viscosity 100, Guangzhou Weber Technology Co., Ltd.;
[0031] Hydroxypropyl cellulose, N315, Foshan Shenghui New Materials Co., Ltd.;
[0032] Sodium carboxymethyl cellulose, model FVH9, Zhengzhou Mingxin Chemical Products Co., Ltd.;
[0033] Sodium alginate, food grade, Jiangsu Yuanshengyuan Bioengineering Co., Ltd.;
[0034] Calcium carbonate, 200 mesh, Yingkou Dahai Talc Mining Co., Ltd.;
[0035] Zeolite powder, 200 mesh, Jinzhou Tiansheng Mineral Products Co., Ltd.
[0036] Embodiment 1:
[0037] A slow-release hydrogen-rich material comprises the following raw materials, measured by weight: 50 parts of magnesium powder, 30 parts of polyvinyl alcohol solution with a mass percentage concentration of 0.5%, 20 parts of hydroxymethyl cellulose solution with a mass percentage concentration of 0.5%, 10 parts of sodium alginate, 30 parts of calcium carbonate, and 15 parts of zeolite powder.
[0038] The method for preparing the sustained-release hydrogen-rich material of the above embodiment comprises the following steps:
[0039] 1) adding polyvinyl alcohol into water to prepare a polyvinyl alcohol solution with a mass percentage concentration of 0.5%; adding hydroxymethyl cellulose into water to prepare a cellulose solution with a mass percentage concentration of 0.5%;
[0040] 2) Mixing magnesium powder, polyvinyl alcohol solution and hydroxymethyl cellulose solution in proportion, stirring rapidly under a vertical stirrer at a speed of 2000 rpm for 20 to 30 minutes, and then pumping into a closed spray tower through a diaphragm pump for spray drying to obtain spray granulated powder;
[0041] 3) placing the spray granulation powder, sodium salt, calcium carbonate and zeolite powder in a horizontal dry powder mixer according to proportion and mixing for 20-30 minutes to obtain a mixed powder;
[0042] 4) The mixed powder is sprayed with water in a sugar coating machine and rolled into a sphere with a diameter of 3-5 mm.
[0043] Embodiment 2:
[0044] A slow-release hydrogen-rich material comprises the following raw materials, measured by weight: 60 parts of magnesium powder, 30 parts of polyvinyl alcohol solution with a mass percentage concentration of 0.7%, 30 parts of hydroxymethyl cellulose solution with a mass percentage concentration of 0.5%, 20 parts of sodium alginate, 30 parts of calcium carbonate, and 20 parts of zeolite powder.
[0045] Except that the selected organic solution and cellulose solution are different from those in Example 1, the rest of the preparation method is the same as that in Example 1.
[0046] Embodiment 3:
[0047] A slow-release hydrogen-rich material comprises the following raw materials, measured by weight: 50 parts of magnesium powder, 30 parts of polyethylene glycol solution with a mass percentage concentration of 0.5%, 20 parts of ethyl cellulose solution with a mass percentage concentration of 0.5%, 10 parts of sodium alginate, 30 parts of calcium carbonate, and 15 parts of zeolite powder.
[0048] The preparation method is the same as that of Example 1 except that the organic solution and cellulose solution used are different from those of Example 1.
[0049] Embodiment 4:
[0050] A slow-release hydrogen-rich material comprises the following raw materials, measured by weight: 50 parts of magnesium powder, 30 parts of polyvinyl butyral solution with a mass percentage concentration of 0.5%, 20 parts of methyl cellulose solution with a mass percentage concentration of 0.5%, 10 parts of sodium alginate, 30 parts of calcium carbonate, and 15 parts of zeolite powder.
[0051] Except that the selected organic solution and cellulose solution are different from those in Example 1, the rest of the preparation method is the same as that in Example 1.
[0052] Embodiment 5:
[0053] A slow-release hydrogen-rich material comprises the following raw materials, measured by weight: 50 parts of magnesium powder, 30 parts of polyvinyl alcohol solution with a mass percentage concentration of 0.5%, 20 parts of hydroxypropyl cellulose solution with a mass percentage concentration of 0.5%, 10 parts of sodium alginate, 30 parts of calcium carbonate, and 15 parts of zeolite powder.
[0054] Except that the selected organic solution and cellulose solution are different from those in Example 1, the rest of the preparation method is the same as that in Example 1.
[0055] Comparative Example:
[0056] A 3-5 mm hydrogen-rich ball purchased directly from the manufacturer was selected as a comparative example.
[0057] The sustained-release effect of the product of the embodiment of the present invention and the product of the comparative example were tested, and the testing method was as follows: the product was immersed in distilled water at a weight ratio of 1:100, and the distilled water used for immersion was replaced after every 24 hours of immersion. The hydrogen rich value was tested using a H2 hydrogen rich test pen of model CT-8023 of Kodida, and the hydrogen rich value (ppb) after immersion for 1 hour was recorded respectively. The results are shown in Table 1.
[0058] Table 1
[0059]
[0060]
[0061] The test results of the sustained release effects of the product of the present invention and the comparative product shown in Table 1 show that the hydrogen rich value of the comparative product is significantly reduced after 10 days of immersion, while the hydrogen rich value of the present invention is relatively stable, and the hydrogen rich value after 10 days of immersion does not change significantly, indicating that the product of the present invention has an obvious sustained release effect and a good hydrogen rich effect. The sustained release hydrogen-rich material of the present invention organically wraps the magnesium powder, reduces the contact area with water, thereby achieving a sustained release effect, and can improve the timeliness and service life of the product.
Claims
1. A slow-release hydrogen-rich material, characterized in that: According to parts by weight, it is composed of the following raw materials: 20-70 parts of magnesium powder, 20-40 parts of organic solution, 10-40 parts of cellulose solution, 10-50 parts of sodium salt, 10-50 parts of calcium carbonate, and 10-40 parts of zeolite powder; The magnesium powder is 100-200 mesh; The organic solution includes one or more of polyvinyl alcohol solution, polyethylene glycol solution, and polyvinyl butyral solution mixed in any proportion; The cellulose solution includes one or more of sodium hydroxymethylcellulose solution, ethylcellulose solution, methylcellulose solution, and hydroxypropylcellulose solution mixed in any proportion; The sodium salt is one or both of sodium alginate and sodium silicate mixed in any proportion; The mass percentage concentration of the organic solution is 0.1-1%, and the mass percentage concentration of the cellulose solution is 0.1-1%; The magnesium powder, organic solution and cellulose are mixed and then spray-dried to obtain the spray granulated powder, which is then mixed with sodium salt, calcium carbonate and zeolite powder and rolled into a mold to obtain the slow-release hydrogen-rich material.
2. A slow-release hydrogen-rich material according to claim 1, characterized in that: According to weight parts, it includes the following raw materials: 50 parts of magnesium powder, 30 parts of organic solution, 20 parts of cellulose solution, 10 parts of sodium salt, 30 parts of calcium carbonate, and 15 parts of zeolite powder.
3. A method for preparing a slow-release hydrogen-rich material according to any one of claims 1 to 2, characterized in that: The following steps are involved: 1) preparing an organic solution and a cellulose solution; 2) mixing magnesium powder, organic solution and cellulose, and spray drying to obtain spray granulated powder; 3) mixing the spray granulation powder, sodium salt, calcium carbonate and zeolite powder to obtain a mixed powder; 4) Roll the mixed powder into a mold.
4. The method for preparing a slow-release hydrogen-rich material according to claim 3, characterized in that: The following steps are involved: 1) preparing an organic solution and a cellulose solution with a mass percentage concentration of 0.1-1%; 2) mixing magnesium powder, organic solution and cellulose solution, stirring under a vertical stirrer, pumping into a spray tower through a diaphragm pump for spray drying to obtain spray granulated powder; 3) mixing the spray granulation powder, sodium salt, calcium carbonate and zeolite powder in a horizontal dry powder mixer to obtain a mixed powder; 4) The mixed powder is sprayed with water in a sugar coating machine and rolled into a sphere with a diameter of 3-5 mm.
Citation Information
Patent Citations
Hydrogen generating agent and use thereof
CN101304943A
KR20210034530A