CN105154002B - Sealing compound for zinc-manganese battery and preparation method thereof - Google Patents
Sealing compound for zinc-manganese battery and preparation method thereof Download PDFInfo
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- CN105154002B CN105154002B CN201510566822.0A CN201510566822A CN105154002B CN 105154002 B CN105154002 B CN 105154002B CN 201510566822 A CN201510566822 A CN 201510566822A CN 105154002 B CN105154002 B CN 105154002B
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Abstract
The invention discloses a sealing compound for a zinc-manganese battery and a preparation method thereof, belonging to the technical field of battery sealing materials. The sealing glue for the zinc-manganese battery comprises the following raw materials in parts by weight: 20-30 parts of hydrogenated saturated polybutylene, 30-40 parts of modified epoxy resin, 40-50 parts of asphalt, 20-30 parts of 120 parts of solvent gasoline, 10-20 parts of aromatic oil, 20-30 parts of nonylphenol polyoxyethylene ether, 10-20 parts of dimethyl silicone oil, 1-5 parts of nano titanium dioxide and 1-5 parts of nano sheet aluminum powder; the invention also provides a preparation method of the sealing compound for the zinc-manganese battery. The sealing compound for the zinc-manganese battery has good cohesiveness, sealing property, creep resistance, aging resistance, high-temperature stability and temperature sensitivity; 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 zinc-manganese battery sealing materials, and particularly relates to sealing glue for a zinc-manganese battery and a preparation method thereof.
Background
The zinc-manganese battery is a primary battery which takes manganese dioxide as a positive electrode, zinc as a negative electrode and ammonium chloride aqueous solution as a main electrolyte, is commonly called a dry battery and is also called a Lexangxi battery in academia. Zinc-manganese batteries are also known as alkaline dry batteries, alkaline zinc-manganese batteries, alkaline manganese batteries. If the sealing performance of the zinc-manganese battery is poor, water in the electrolyte is volatilized to influence the normal operation of the battery; meanwhile, oxygen in the air also enters the interior of the battery to oxidize zinc, so that the service life of the battery is shortened. Therefore, the sealing plays an important role in the zinc-manganese battery, and the quality of the sealing directly determines the quality of the zinc-manganese battery.
At present, the zinc-manganese battery sealing compound mainly comprises four types, namely asphalt series, rubber series, epoxy series and polybutylene, and the asphalt series battery sealing compound has good cohesiveness and ageing resistance, but 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 glue also has the problems of high brittleness, poor impact resistance and low peeling strength; the polybutylene sealing adhesive also has the problems of weak adhesive force, small cohesive force, low tensile strength and complete adhesive force loss due to easy cohesive failure of the adhesive layer under the action of external force.
Disclosure of Invention
The invention provides sealing glue for a zinc-manganese battery and a preparation method thereof, and solves the problems of poor sealing property, easy aging and short service life of the zinc-manganese battery in the prior art.
The sealing compound for the zinc-manganese battery is mainly realized by the following technical scheme: the feed comprises the following raw materials in parts by weight: 20-30 parts of hydrogenated saturated polybutylene, 30-40 parts of modified epoxy resin, 40-50 parts of asphalt, 20-30 parts of 120 solvent gasoline, 10-20 parts of aromatic oil, 20-30 parts of nonylphenol polyoxyethylene ether, 10-20 parts of dimethyl silicone oil, 1-5 parts of nano titanium dioxide and 1-5 parts of nano flaky aluminum powder.
The invention relates to a preparation method of sealing glue for a zinc-manganese battery, which is mainly realized by the following technical scheme: the method comprises the following steps: 1) Heating asphalt at 150-200 ℃ for 2-5h, adding hydrogenated saturated polybutylene, modified epoxy resin, nonylphenol polyoxyethylene ether, nano titanium dioxide and nano sheet aluminum powder, and uniformly stirring to obtain a crude product; 2) And (2) when the temperature of the crude product obtained in the step 1) is cooled to 80-120 ℃, adding No. 120 solvent gasoline, aromatic oil and dimethyl silicone oil into the crude product, uniformly stirring, filtering and packaging to obtain the product.
The invention has the beneficial effects that: under the synergistic cooperation effect of hydrogenated saturated polybutylene, modified epoxy resin, asphalt, no. 120 solvent gasoline, aromatic oil, nonylphenol polyoxyethylene ether, dimethyl silicone oil, nano titanium dioxide and nano sheet aluminum powder, the sealing adhesive for the zinc-manganese battery, which has good cohesiveness, sealing property and creep resistance, is formed by heating, vulcanizing and condensing; the sealing glue for the zinc-manganese 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.
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 obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
The sealing glue for the zinc-manganese battery comprises the following raw materials in parts by weight: 20-30 parts of hydrogenated saturated polybutylene, 30-40 parts of modified epoxy resin, 40-50 parts of asphalt, 20-30 parts of 120 solvent gasoline, 10-20 parts of aromatic oil, 20-30 parts of nonylphenol polyoxyethylene ether, 10-20 parts of dimethyl silicone oil, 1-5 parts of nano titanium dioxide and 1-5 parts of nano flaky aluminum powder.
The invention discloses a preparation method of sealing compound for zinc-manganese battery, which comprises the following steps: the method comprises the following steps: 1) Heating asphalt at 150-200 ℃ for 2-5h, adding hydrogenated saturated polybutylene, modified epoxy resin, nonylphenol polyoxyethylene ether, nano titanium dioxide and nano flake aluminum powder, and uniformly stirring to obtain a crude product; 2) And (2) when the temperature of the crude product obtained in the step 1) is cooled to 80-120 ℃, adding No. 120 solvent gasoline, aromatic oil and dimethyl silicone oil into the crude product, uniformly stirring, filtering and packaging to obtain the product.
Example one
The invention discloses a preparation method of sealing compound for zinc-manganese battery, which comprises the following steps: the method comprises the following steps: 1) Heating 40 parts by weight of asphalt at 150 ℃ for 2 hours, adding 20 parts by weight of hydrogenated saturated polybutylene, 30 parts by weight of modified epoxy resin, 20 parts by weight of nonylphenol polyoxyethylene ether, 1 part by weight of nano titanium dioxide and 1 part by weight of nano sheet-like aluminum powder, and uniformly stirring to obtain a crude product; 2) And (2) when the temperature of the crude product obtained in the step 1) is cooled to 80 ℃, adding 20 parts by weight of No. 120 solvent gasoline, 10 parts by weight of aromatic oil and 20 parts by weight of dimethyl silicone oil into the crude product, uniformly stirring, filtering and packaging to obtain the product.
Example two
The invention relates to a preparation method of sealing glue for a zinc-manganese battery, which comprises the following steps: the method comprises the following steps: 1) Heating 45 parts by weight of asphalt at 180 ℃ for 3 hours, adding 25 parts by weight of hydrogenated saturated polybutylene, 35 parts by weight of modified epoxy resin, 25 parts by weight of nonylphenol polyoxyethylene ether, 3 parts by weight of nano titanium dioxide and 3 parts by weight of nano flaky aluminum powder, and uniformly stirring to obtain a crude product; 2) And (2) when the temperature of the crude product obtained in the step 1) is cooled to 100 ℃, adding 25 parts by weight of No. 120 solvent gasoline, 15 parts by weight of aromatic oil and 15 parts by weight of dimethyl silicone oil into the crude product, uniformly stirring, filtering and packaging to obtain the product.
EXAMPLE III
The invention discloses a preparation method of sealing compound for zinc-manganese battery, which comprises the following steps: the method comprises the following steps: 1) Heating 50 parts by weight of asphalt at 200 ℃ for 5 hours, adding 30 parts by weight of hydrogenated saturated polybutylene, 40 parts by weight of modified epoxy resin, 30 parts by weight of nonylphenol polyoxyethylene ether, 5 parts by weight of nano titanium dioxide and 5 parts by weight of nano sheet-like aluminum powder, and uniformly stirring to obtain a crude product; 2) And (2) when the temperature of the crude product obtained in the step 1) is cooled to 120 ℃, adding 30 parts by weight of No. 120 solvent gasoline, 20 parts by weight of aromatic oil and 20 parts by weight of dimethyl silicone oil into the crude product, uniformly stirring, filtering and packaging to obtain the product.
The three sealing adhesives for the zinc-manganese battery obtained in the first to third embodiments and a certain commercially available sealing adhesive for the zinc-manganese battery are subjected to performance detection by referring to a related test method of a battery sealing agent SH/T0421-92 petrochemical industry standard, and the test results are shown in Table 1.
As can be seen from Table 1, the sealing compound for the zinc-manganese 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 more than 290 mPas so as to ensure that the coating material 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 zinc-manganese battery sold in the market, the sealing compound for the zinc-manganese battery provided by the invention has obvious advantages.
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 required to be cooled in a freezer at-20 ℃ for 1h.
Therefore, compared with the prior art, the invention has the beneficial effects that: under the synergistic cooperation effect of hydrogenated saturated polybutylene, modified epoxy resin, asphalt, no. 120 solvent gasoline, aromatic oil, nonylphenol polyoxyethylene ether, dimethyl silicone oil, nano titanium dioxide and nano sheet aluminum powder, the sealing adhesive for the zinc-manganese battery, which has good cohesiveness, sealing property and creep resistance, is formed by heating, vulcanizing and condensing; the sealing compound for the zinc-manganese 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 (1)
1. The sealing compound for the zinc-manganese battery is characterized by comprising the following raw materials in parts by weight: 20-30 parts of hydrogenated saturated polybutylene, 30-40 parts of modified epoxy resin, 40-50 parts of asphalt, 20-30 parts of No. 120 solvent gasoline, 10-20 parts of aromatic oil, 20-30 parts of nonylphenol polyoxyethylene ether, 10-20 parts of dimethyl silicone oil, 1-5 parts of nano titanium dioxide and 1-5 parts of nano flaky aluminum powder;
the sealing adhesive is prepared by the following steps:
1) Heating asphalt at 150-200 ℃ for 2-5h, adding hydrogenated saturated polybutylene, modified epoxy resin, nonylphenol polyoxyethylene ether, nano titanium dioxide and nano sheet aluminum powder, and uniformly stirring to obtain a crude product;
2) And (2) when the temperature of the crude product obtained in the step 1) is cooled to 80-120 ℃, adding No. 120 solvent gasoline, aromatic oil and dimethyl silicone oil into the crude product, uniformly stirring, filtering and packaging to obtain the product.
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| CN105154002B true CN105154002B (en) | 2019-10-01 |
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| CN108587556A (en) * | 2017-12-29 | 2018-09-28 | 东莞市朗泰通实业有限公司 | A kind of Ni-MH battery leakproof seal glue and preparation method thereof |
| 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 |
| CN113823805A (en) * | 2020-06-15 | 2021-12-21 | 山东华太新能源电池有限公司 | Leakage-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dry battery and manufacturing method thereof |
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| CN103320071A (en) * | 2013-06-28 | 2013-09-25 | 上海悍马建筑科技有限公司 | Modified epoxy transparent crack sealing compound |
| CN104362268A (en) * | 2014-11-05 | 2015-02-18 | 潍坊汇智化工有限公司 | Carbon battery sealing compound and preparation method thereof |
| CN104673168A (en) * | 2013-12-02 | 2015-06-03 | 林赫 | Sealing glue |
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| JPS5534220A (en) * | 1978-08-30 | 1980-03-10 | Kiyozo Shiomoto | Filler for joint |
| CN103194151A (en) * | 2012-01-10 | 2013-07-10 | 上海铂砾耐材料科技有限公司 | Butyl rubber sealing strip and preparation method thereof |
| KR101722004B1 (en) * | 2012-10-31 | 2017-03-31 | 쇼와 덴코 가부시키가이샤 | Polymerizable composition, polymer, optical adhesive sheet, image display device and production method for same |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320071A (en) * | 2013-06-28 | 2013-09-25 | 上海悍马建筑科技有限公司 | Modified epoxy transparent crack sealing compound |
| CN104673168A (en) * | 2013-12-02 | 2015-06-03 | 林赫 | Sealing glue |
| CN104362268A (en) * | 2014-11-05 | 2015-02-18 | 潍坊汇智化工有限公司 | Carbon battery sealing compound and preparation method thereof |
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