CN105602520A - Sealing compound for carbon battery and preparation method thereof - Google Patents
Sealing compound for carbon battery and preparation method thereof Download PDFInfo
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- CN105602520A CN105602520A CN201510565574.8A CN201510565574A CN105602520A CN 105602520 A CN105602520 A CN 105602520A CN 201510565574 A CN201510565574 A CN 201510565574A CN 105602520 A CN105602520 A CN 105602520A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a sealing compound for a carbon battery and a preparation method thereof, belonging to the technical field of battery sealing materials. The sealing adhesive for the carbon battery comprises the following raw materials in parts by weight: 20-30 parts of modified epoxy resin, 40-50 parts of asphalt, 10-20 parts of solvent gasoline, 10-20 parts of aromatic oil, 10-20 parts of alpha-naphthylamine, 10-20 parts of nonylphenol polyoxyethylene ether and 1-5 parts of colloidal graphite powder; the invention also provides a preparation method of the sealing compound for the carbon battery. Under the synergistic effect of the modified epoxy resin, the asphalt, the solvent gasoline, the aromatic oil, the alpha-naphthylamine, the nonylphenol polyoxyethylene ether and the colloidal graphite powder, the modified epoxy resin has good cohesiveness, sealing property and creep resistance, and also has aging resistance, high-temperature stability and temperature sensitivity; the concrete expression is as follows: no deformation and no flow at high temperature, good adhesion at low temperature, no cracking, easy coating, no odor and long service life.
Description
Technical Field
The invention belongs to the technical field of battery sealing materials, and particularly relates to sealing glue for a carbon battery and a preparation method thereof.
Background
The carbon battery is a disposable battery, which is called a neutral zinc-manganese dioxide dry battery (zinc-manganese dioxide dry battery), and belongs to a primary battery in a chemical power supply. Since the electrolyte of such a chemical power supply device is an immobile paste, it is also called a dry cell, as opposed to a cell having a flowable electrolyte. The carbon battery is not only suitable for flashlights, semiconductor radios, radio recorders, cameras, electronic clocks, toys and the like, but also suitable for various fields in national economy such as national defense, scientific research, telecommunication, navigation, aviation, medicine and the like.
At present, the zinc-manganese battery sealing compound mainly comprises three types, namely an asphalt series, a rubber series and an epoxy series, and the asphalt series battery sealing compound has good cohesiveness and ageing resistance, but also has certain environmental protection problem; the rubber series battery sealing compound has good creep resistance and sealing performance, can improve the storage stability of the battery, but has much higher cost than the asphalt series; the epoxy series battery sealing compound also has the problems of high brittleness, poor impact resistance and low peeling strength.
Disclosure of Invention
The invention provides a sealing adhesive for a carbon battery and a preparation method thereof, and solves the problems of high cost, poor cohesiveness and easy aging of the sealing adhesive for the carbon battery in the prior art.
The invention relates to a sealing compound for a carbon battery, which is mainly realized by the following technical scheme: the feed comprises the following raw materials in parts by weight: 20-30 parts of modified epoxy resin, 40-50 parts of asphalt, 10-20 parts of solvent gasoline, 10-20 parts of aromatic oil, 10-20 parts of alpha-naphthylamine, 10-20 parts of nonylphenol polyoxyethylene ether and 1-5 parts of colloidal graphite powder.
The invention relates to a preparation method of sealing compound for a carbon battery, which is mainly realized by the following technical scheme: the method comprises the following steps: 1) Taking aromatic oil, adding alpha-naphthylamine at the temperature of 30-100 ℃, and stirring to form a mixed solution; 2) Heating asphalt at 150-200 ℃ for 2-5h, adding modified epoxy resin, nonylphenol polyoxyethylene ether, colloidal graphite powder and the mixed solution obtained in the step 1), and uniformly stirring to obtain a crude product; 3) When the temperature of the crude product obtained in the step 2) is cooled to 80-120 ℃, adding solvent gasoline into the crude product, stirring the mixture evenly, filtering the mixture, and packaging the filtered mixture to obtain the product.
The invention has the beneficial effects that: the sealing compound for the carbon battery, which has good cohesiveness, sealing property and creep resistance, is formed by heating, vulcanizing and coagulating under the synergistic cooperation effect of modified epoxy resin, asphalt, solvent gasoline, aromatic oil, alpha-naphthylamine, nonylphenol polyoxyethylene ether and colloidal graphite powder; the sealing adhesive for the carbon battery has the advantages of ageing resistance, high-temperature stability and temperature sensitivity, no deformation and no flowing at high temperature, good adhesion at low temperature, no cracking, easy coating, no peculiar smell and long service life.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to specific embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention discloses a sealing adhesive for a carbon battery, which comprises the following raw materials in parts by weight: 20-30 parts of modified epoxy resin, 40-50 parts of asphalt, 10-20 parts of solvent gasoline, 10-20 parts of aromatic oil, 10-20 parts of alpha-naphthylamine, 10-20 parts of nonylphenol polyoxyethylene ether and 1-5 parts of colloidal graphite powder.
The invention discloses a preparation method of sealing compound for a carbon battery, which comprises the following steps: 1) Taking aromatic oil, adding alpha-naphthylamine at the temperature of 30-100 ℃, and stirring to form a mixed solution; 2) Heating asphalt at 150-200 ℃ for 2-5h, adding modified epoxy resin, nonylphenol polyoxyethylene ether, colloidal graphite powder and the mixed solution obtained in the step 1), and uniformly stirring to obtain a crude product; 3) When the temperature of the crude product obtained in the step 2) is cooled to 80-120 ℃, adding solvent gasoline into the crude product, stirring the mixture evenly, filtering the mixture, and packaging the filtered mixture to obtain the product.
Example one
The invention discloses a preparation method of sealing compound for a carbon battery, which comprises the following steps: 1) Taking 10 parts by weight of aromatic oil, adding 10 parts by weight of alpha-naphthylamine at the temperature of 30 ℃, and stirring to form a mixed solution; 2) Heating 40 parts by weight of asphalt at 150 ℃ for 2 hours, adding 20 parts by weight of modified epoxy resin, 10 parts by weight of nonylphenol polyoxyethylene ether, 1 part by weight of colloidal graphite powder and the mixed solution obtained in the step 1), and uniformly stirring to obtain a crude product; 3) And (3) when the temperature of the crude product obtained in the step 2) is cooled to 80-120 ℃, adding 10 parts by weight of solvent gasoline into the crude product, uniformly stirring, filtering and packaging to obtain the product.
Example two
The invention discloses a preparation method of sealing compound for a carbon battery, which comprises the following steps: 1) Taking 15 parts by weight of aromatic oil, adding 15 parts by weight of alpha-naphthylamine at 60 ℃, and stirring to form a mixed solution; 2) Heating 40 parts by weight of asphalt at 180 ℃ for 3.5 hours, adding 25 parts by weight of modified epoxy resin, 15 parts by weight of nonylphenol polyoxyethylene ether, 3 parts by weight of colloidal graphite powder and the mixed solution obtained in the step 1), and uniformly stirring to obtain a crude product; 3) And (3) when the temperature of the crude product obtained in the step 2) is cooled to 100 ℃, adding 15 parts by weight of solvent gasoline into the crude product, uniformly stirring, filtering and packaging to obtain the product.
EXAMPLE III
The invention discloses a preparation method of sealing glue for a carbon battery, which comprises the following steps: 1) Taking 20 parts by weight of aromatic oil, adding 20 parts by weight of alpha-naphthylamine at 100 ℃, and stirring to form a mixed solution; 2) Taking 50 parts by weight of asphalt, heating at 200 ℃ for 5 hours, adding 30 parts by weight of modified epoxy resin, 20 parts by weight of nonylphenol polyoxyethylene ether, 5 parts by weight of colloidal graphite powder and the mixed solution obtained in the step 1), and uniformly stirring to obtain a crude product; 3) And (3) when the temperature of the crude product obtained in the step 2) is cooled to 80-120 ℃, adding 20 parts by weight of solvent gasoline into the crude product, uniformly stirring, filtering and packaging to obtain the product.
The three types of sealing rubber for carbon batteries obtained in the first to third examples and a commercially available sealing rubber for carbon batteries were subjected to performance test by referring to a relevant test method of a battery sealing agent SH/T0421-92 petrochemical industry standard, and the test results are shown in Table 1.
Table 1 comparison table of sealing compound performance test results
Note (1): referring to the method of SH/T0421-92, the test temperature is changed to 45 ℃;
note (2): referring to the method of SH/T0421-92, the test temperature was changed from ambient to-20 ℃ and the test samples were cooled in a freezer at-20 ℃ for 1h.
As can be seen from Table 1, the sealing compound for the carbon battery meets the requirements of indexes in relevant standards, and the softening point of the sealing compound is 20 ℃; the rotational viscosity at 100 ℃ is 290-300 mPa.s, so as to ensure that the coating liquid can not flow down from the zinc cylinder and the carbon rod at the coating temperature; the high-temperature flowing experiment is qualified, which shows that the sealing compound provided by the invention cannot be emitted from the battery when being applied to the battery, and has a good sealing effect; the adhesion rate is more than 95% at-20 ℃, which shows that the adhesive has good adhesion at low temperature and is not easy to crack. Compared with the sealing compound for the carbon battery sold in the market, the sealing compound for the carbon battery has obvious advantages.
Therefore, compared with the prior art, the invention has the beneficial effects that: the sealing compound for the carbon battery, which has good cohesiveness, sealing property and creep resistance, is formed by heating, vulcanizing and coagulating under the synergistic action of modified epoxy resin, asphalt, solvent gasoline, aromatic oil, alpha-naphthylamine, nonylphenol polyoxyethylene ether and colloidal graphite powder; the sealing glue for the carbon battery has the advantages of aging resistance, high-temperature stability and temperature sensitivity, no deformation and no flowing at high temperature, good adhesion at low temperature, no cracking, easy coating, no peculiar smell and long service life.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (2)
1. The sealing glue for the carbon battery is characterized by comprising the following raw materials in parts by weight:
20-30 parts of modified epoxy resin, 40-50 parts of asphalt, 10-20 parts of solvent gasoline, 10-20 parts of aromatic oil, 10-20 parts of alpha-naphthylamine, 10-20 parts of nonylphenol polyoxyethylene ether and 1-5 parts of colloidal graphite powder.
2. The method for preparing a sealing compound for a carbon battery as claimed in claim 1, comprising the steps of:
1) Taking aromatic oil, adding alpha-naphthylamine at 30-100 ℃, and stirring to form a mixed solution;
2) Heating asphalt at 150-200 ℃ for 2-5h, adding modified epoxy resin, nonylphenol polyoxyethylene ether, colloidal graphite powder and the mixed solution obtained in the step 1), and uniformly stirring to obtain a crude product;
3) When the temperature of the crude product obtained in the step 2) is cooled to 80-120 ℃, adding solvent gasoline into the crude product, stirring the mixture evenly, filtering the mixture, and packaging the filtered mixture to obtain the product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510565574.8A CN105602520A (en) | 2015-09-08 | 2015-09-08 | Sealing compound for carbon battery and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510565574.8A CN105602520A (en) | 2015-09-08 | 2015-09-08 | Sealing compound for carbon battery and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105602520A true CN105602520A (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510565574.8A Pending CN105602520A (en) | 2015-09-08 | 2015-09-08 | Sealing compound for carbon battery and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111909656A (en) * | 2019-05-09 | 2020-11-10 | 临沂华太电池有限公司 | Carbon battery sealing compound and preparation method thereof |
-
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- 2015-09-08 CN CN201510565574.8A patent/CN105602520A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111909656A (en) * | 2019-05-09 | 2020-11-10 | 临沂华太电池有限公司 | Carbon battery sealing compound and preparation method thereof |
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Application publication date: 20160525 |
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| WD01 | Invention patent application deemed withdrawn after publication |