CN113201971A - Coated paper for improving liquid leakage resistance of carbon battery and preparation method thereof - Google Patents
Coated paper for improving liquid leakage resistance of carbon battery and preparation method thereof Download PDFInfo
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- CN113201971A CN113201971A CN202110491231.7A CN202110491231A CN113201971A CN 113201971 A CN113201971 A CN 113201971A CN 202110491231 A CN202110491231 A CN 202110491231A CN 113201971 A CN113201971 A CN 113201971A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 28
- 239000007788 liquid Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 93
- 239000011248 coating agent Substances 0.000 claims abstract description 67
- 239000002994 raw material Substances 0.000 claims abstract description 36
- 229920002472 Starch Polymers 0.000 claims abstract description 28
- 235000019698 starch Nutrition 0.000 claims abstract description 28
- 239000008107 starch Substances 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 18
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 18
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims abstract description 11
- 229910000416 bismuth oxide Inorganic materials 0.000 claims abstract description 10
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 claims abstract description 10
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract description 9
- UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 238000009499 grossing Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims description 35
- 238000001035 drying Methods 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 8
- 239000012043 crude product Substances 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 239000000843 powder Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 9
- 238000007599 discharging Methods 0.000 abstract description 7
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000009776 industrial production Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 11
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 8
- 229910052725 zinc Inorganic materials 0.000 description 8
- 239000011701 zinc Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010382 chemical cross-linking Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XFLNVMPCPRLYBE-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate;tetrahydrate Chemical compound O.O.O.O.[Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O XFLNVMPCPRLYBE-UHFFFAOYSA-J 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
Images
Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/385—Oxides, hydroxides or carbonates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/46—Non-macromolecular organic compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/54—Starch
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/60—Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/84—Paper comprising more than one coating on both sides of the substrate
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/38—Corrosion-inhibiting agents or anti-oxidants
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Paper (AREA)
Abstract
The invention relates to the technical field of batteries, in particular to coated paper for improving the liquid leakage resistance of a carbon battery and a preparation method thereof. The coated paper comprises base paper and coatings arranged on two side faces of the base paper, wherein the coatings are formed by coating the coatings on the surface of the base paper, and the coatings comprise the following raw materials in percentage by mass: 10-15% of acrylamide, 10-15% of polyvinyl alcohol, 30-40% of starch, 0.02-0.03% of bismuth oxide, 0.3-0.4% of a smoothing agent, 0.2-0.3% of tetrasodium ethylenediamine tetraacetate, 0.045-0.055% of sodium dodecyl benzene sulfonate and the balance of water. When the coated paper is applied to the carbon battery, the liquid leakage resistance of the battery in the discharging process can be improved, so that the battery achieves an excellent liquid leakage resistance effect, and the adhesive property of the coated paper and the anode powder is good; the preparation method of the coated paper is simple and convenient to operate, convenient to control, high in production efficiency, low in production cost and beneficial to industrial production.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to coated paper for improving the liquid leakage resistance of a carbon battery and a preparation method thereof.
Background
The carbon battery is a kind of disposable battery, which has the features of low cost and safe and reliable use. However, the existing disposable carbon battery has a high requirement on the weight of the zinc cylinder, mainly because the wall thickness of the zinc cylinder is thick, the leakage caused by the perforation of the zinc cylinder wall in the discharging process or the long-term storage process of the battery can be prevented, but the heavy zinc cylinder causes huge pressure on the battery cost, so that the research and improvement on the pulp layer paper tightly attached to the inner wall of the zinc cylinder in the battery are carried out according to the actual conditions of the storage and the discharge of the battery, and the disposable carbon battery has important significance.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide coated paper for improving the liquid leakage resistance of a carbon battery, wherein the coated paper is formed by coating a coating on the surface of base paper and designing and improving the raw material composition and the dosage ratio of the coating.
The invention also aims to provide a preparation method of the coated paper for improving the liquid leakage resistance of the carbon battery, which has the advantages of simple operation, convenient control, high production efficiency and low production cost and is beneficial to industrial mass production.
The purpose of the invention is realized by the following technical scheme: the coated paper for improving the liquid leakage resistance of the carbon battery comprises base paper and coatings arranged on two side faces of the base paper, wherein the coatings are formed by coating coatings on the surface of the base paper, and the coatings comprise the following raw materials in percentage by mass: 10-15% of acrylamide, 10-15% of polyvinyl alcohol, 30-40% of starch, 0.02-0.03% of bismuth oxide, 0.3-0.4% of a smoothing agent, 0.2-0.3% of tetrasodium ethylenediamine tetraacetate, 0.045-0.055% of sodium dodecyl benzene sulfonate and the balance of water.
According to the invention, acrylamide, polyvinyl alcohol, starch, bismuth oxide, ethylene diamine tetraacetic acid tetrasodium salt, sodium dodecyl benzene sulfonate and other raw materials are matched to prepare the coating used for the coating, and the formed coating has good adhesive force with base paper; through designing and improving the raw material composition and the dosage proportion of the coating, the irregular consumption of harmful metal ions to the zinc electrode in the discharging or storing process can be inhibited, so that the excellent leakage-resistant effect is achieved, the adhesive property of the coated paper and the anode powder is good, the battery performance is promoted, and the service life is prolonged.
Further, the starch is cross-linked starch. The cross-linked starch is preferably but not limited to CPT-72 of Hangzhou paper-friendly technology Co. The brightener is preferably, but not limited to, TX-10. The polyvinyl alcohol is preferably, but not limited to, Chongqing Chuanwei polyvinyl alcohol 088-20. The crosslinked starch adopts chemical crosslinking to form a network structure among starch molecules, has high stability on the action of zinc chloride, can effectively reduce the occurrence of leakage, can realize good compatibility with polyvinyl alcohol and TX-10, improves the film forming property and smoothness of the coating and the adhesion of the pulp paper, can prevent the pulp paper from being damaged or difficult to enter a zinc cylinder due to the hardening of the base paper fiber and the coating, is favorable for forming a stable and uniform coating, and can prolong the service life of a battery.
The invention improves the coating paint of the pulp-layer paper by adopting the raw materials and controlling the dosage and the proportion of the raw materials, and the bismuth oxide, the ethylene diamine tetraacetic acid tetrasodium, the sodium dodecyl benzene sulfonate and other raw materials are matched, so that the raw materials realize good compatibility and have good corrosion inhibition effect, the irregular consumption of harmful metal ions to a zinc electrode in the discharging or storing process is inhibited, the excellent leakage-resistant effect is achieved, the stable and uniform coating is formed on the surface of the substrate paper, and the adhesion with the anode powder is good.
The other purpose of the invention is realized by the following technical scheme: the preparation method of the coated paper for improving the liquid leakage resistance of the carbon battery comprises the following steps:
step A: mixing the raw materials in proportion, and reacting to obtain the coating;
and B: coating the coating on the surfaces of two sides of the base paper to form wet coatings to obtain a coated paper crude product;
and C: drying and winding the coarse pulp layer paper;
further, in the step A, the raw materials are mixed according to a proportion, and the mixture is heated and then reacts to obtain a mixture A; and then cooling the mixture A, and reacting to obtain the coating.
Further, in the step A, the raw materials are mixed according to a proportion and then react for 3-4h at the temperature of 70-75 ℃ to obtain a mixture A; and then cooling the mixture A to the temperature of 20-30 ℃ for reaction to obtain the coating.
Further, in the step A, the mixture A reacts for 48 to 72 hours at the temperature of 20 to 30 ℃.
Further, in the step C, the drying temperature is 100-120 ℃; the drying speed is 25-30 m/min.
The preparation method of the coated paper adopts the steps and controls the process parameters of the steps, and the high-temperature polymerization and the low-temperature polymerization are sequentially carried out during the preparation of the coating, so that the film-forming property of the coating is obviously improved, and the coated paper has good barrier property and slow release property.
The invention has the beneficial effects that: according to the coated paper, the coating is coated on the surface of the base paper, and the raw material composition and the dosage ratio of the coating are designed and improved, so that when the coated paper is applied to a carbon battery, the liquid leakage resistance of the battery in the discharging process can be improved, the battery can achieve an excellent liquid leakage resistance effect, the adhesive property of the coated paper and the anode powder is good, and the performance and the service life of the battery can be improved; the preparation method of the coated paper is simple and convenient to operate, convenient to control, high in production efficiency, low in production cost and beneficial to industrial mass production.
Drawings
Fig. 1 is a graph showing the effect of adhesion of the positive electrode powder to the coated paper after the battery manufactured by using the coated paper of comparative example 1 was dissected.
Fig. 2 is a graph showing the effect of adhesion of the positive electrode powder to the coated paper after the battery manufactured by using the coated paper of example 1 is dissected.
Fig. 3 is a graph showing the effect of the leakage resistance in the discharge of the battery obtained using the coated paper of comparative example 1.
Fig. 4 is a graph showing the effect of the battery discharge leakage resistance obtained by using the coated paper of example 1.
Detailed Description
For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying fig. 1-4, which are not intended to limit the present invention.
Example 1
In this embodiment, a coated paper for increasing liquid leakage resistance of a carbon battery includes a base paper and coatings disposed on two sides of the base paper, where the coatings are formed by coating a coating on the surface of the base paper, and the coating includes the following raw materials by mass: 12% of acrylamide, 13% of polyvinyl alcohol, 35% of starch, 0.025% of bismuth oxide, 0.35% of a smoothing agent, 0.25% of tetrasodium ethylenediamine tetraacetate, 0.05% of sodium dodecyl benzene sulfonate and the balance of water.
Further, the starch is cross-linked starch. The crosslinked starch is the crosslinked starch of Hangzhou paper friend science and technology company Limited, and the model is CPT-72. The polyvinyl alcohol is Chongqing Chuanwei polyvinyl alcohol 088-20. The brightener is TX-10.
The preparation method of the coated paper for improving the liquid leakage resistance of the carbon battery comprises the following steps:
step A: mixing the raw materials in proportion, and reacting to obtain the coating;
and B: coating the coating on the surfaces of two sides of the base paper to form wet coatings to obtain a coated paper crude product;
and C: drying and winding the coarse pulp layer paper;
further, in the step A, the raw materials are mixed according to a proportion, and the mixture is heated and then reacts to obtain a mixture A; and then cooling the mixture A, and reacting to obtain the coating.
Further, in the step A, the raw materials are mixed according to a ratio and then react for 3.5 hours at the temperature of 72 ℃ to obtain a mixture A; and then cooling the mixture A to 25 ℃, and reacting for 50h to obtain the coating.
Further, in the step C, the drying temperature is 110 ℃; the drying speed was 28 m/min.
Example 2
In this embodiment, a coated paper for increasing liquid leakage resistance of a carbon battery includes a base paper and coatings disposed on two sides of the base paper, where the coatings are formed by coating a coating on the surface of the base paper, and the coating includes the following raw materials by mass: 10% of acrylamide, 15% of polyvinyl alcohol, 30% of starch, 0.02% of bismuth oxide, 0.3% of a smoothing agent, 0.2-0.3% of tetrasodium ethylenediamine tetraacetate, 0.055% of sodium dodecyl benzene sulfonate and the balance of water.
Further, the starch is cross-linked starch. The crosslinked starch is the crosslinked starch of Hangzhou paper friend science and technology company Limited, and the model is CPT-72. The polyvinyl alcohol is Chongqing Chuanwei polyvinyl alcohol 088-20. The brightener is TX-10.
The preparation method of the coated paper for improving the liquid leakage resistance of the carbon battery comprises the following steps:
step A: mixing the raw materials in proportion, and reacting to obtain the coating;
and B: coating the coating on the surfaces of two sides of the base paper to form wet coatings to obtain a coated paper crude product;
and C: drying and winding the coarse pulp layer paper;
further, in the step A, the raw materials are mixed according to a proportion, and the mixture is heated and then reacts to obtain a mixture A; and then cooling the mixture A, and reacting to obtain the coating.
Further, in the step A, the raw materials are mixed according to a ratio and then react for 4 hours at the temperature of 70 ℃ to obtain a mixture A; and then cooling the mixture A to 20 ℃, and reacting for 72 hours to obtain the coating.
Further, in the step C, the drying temperature is 100 ℃; the drying speed is 25 m/min.
Example 3
In this embodiment, a coated paper for increasing liquid leakage resistance of a carbon battery includes a base paper and coatings disposed on two sides of the base paper, where the coatings are formed by coating a coating on the surface of the base paper, and the coating includes the following raw materials by mass: 15% of acrylamide, 10% of polyvinyl alcohol, 40% of starch, 0.03% of bismuth oxide, 0.4% of a smoothing agent, 0.3% of tetrasodium ethylenediamine tetraacetate, 0.045% of sodium dodecyl benzene sulfonate and the balance of water.
Further, the starch is cross-linked starch. The crosslinked starch is the crosslinked starch of Hangzhou paper friend science and technology company Limited, and the model is CPT-72. The polyvinyl alcohol is Chongqing Chuanwei polyvinyl alcohol 088-20. The brightener is TX-10.
The preparation method of the coated paper for improving the liquid leakage resistance of the carbon battery comprises the following steps:
step A: mixing the raw materials in proportion, and reacting to obtain the coating;
and B: coating the coating on the surfaces of two sides of the base paper to form wet coatings to obtain a coated paper crude product;
and C: drying and winding the coarse pulp layer paper;
further, in the step A, the raw materials are mixed according to a proportion, and the mixture is heated and then reacts to obtain a mixture A; and then cooling the mixture A, and reacting to obtain the coating.
Further, in the step A, the raw materials are mixed according to a proportion and then react for 3 hours at the temperature of 75 ℃ to obtain a mixture A; and then cooling the mixture A to 30 ℃, and reacting for 48 hours to obtain the coating.
Further, in the step C, the drying temperature is 120 ℃; the drying speed is 30 m/min.
Example 4
In this embodiment, a coated paper for increasing liquid leakage resistance of a carbon battery includes a base paper and coatings disposed on two sides of the base paper, where the coatings are formed by coating a coating on the surface of the base paper, and the coating includes the following raw materials by mass: 13% of acrylamide, 14% of polyvinyl alcohol, 36% of starch, 0.025% of bismuth oxide, 0.35% of a smoothing agent, 0.25% of tetrasodium ethylenediamine tetraacetate, 0.048% of sodium dodecyl benzene sulfonate and the balance of water.
The preparation method of the coated paper for improving the liquid leakage resistance of the carbon battery comprises the following steps:
step A: mixing the raw materials in proportion, and reacting to obtain the coating;
and B: coating the coating on the surfaces of two sides of the base paper to form wet coatings to obtain a coated paper crude product;
and C: drying and winding the coarse pulp layer paper;
further, in the step A, the raw materials are mixed according to a proportion, and the mixture is heated and then reacts to obtain a mixture A; and then cooling the mixture A, and reacting to obtain the coating.
Further, in the step A, the raw materials are mixed according to a ratio and then react for 3.5 hours at the temperature of 75 ℃ to obtain a mixture A; and then cooling the mixture A to 24 ℃, and reacting for 60 hours to obtain the coating.
Further, in the step C, the drying temperature is 105 ℃; the drying speed was 27 m/min.
The rest of this embodiment is the same as embodiment 1, and is not described herein again.
Comparative example 1
In the comparative example, the coated paper comprises base paper and coatings arranged on two side faces of the base paper, wherein the coatings are formed by coating coatings on the surfaces of the base paper, and the coatings comprise the following raw materials in percentage by mass: 12% of acrylamide, 13% of polyvinyl alcohol, 35% of starch, 0.025% of bismuth oxide, 0.35% of a smoothing agent, 0.25% of tetrasodium ethylenediamine tetraacetate and the balance of water. The remainder of this comparative example is the same as in example 1 and will not be described again here.
The carbon batteries were prepared by using the coated papers prepared in comparative example 1 and example 1 as a control group and example 1 as an experimental group under the same conditions of the same production line at the same time, the batteries were allowed to stand for 48 hours under the same conditions, the batteries were dissected, and the adhesion of the positive electrode powder to the coated paper was observed. The adhesion of comparative example 1 and example 1 is shown in fig. 1 and 2, respectively. As can be seen from fig. 1 and 2, the adhesion performance of the positive electrode powder and the coated paper of example 1 is significantly improved, the adhesion of the positive electrode powder and the coated paper is good, the positive electrode powder and the coated paper are not easy to fall off, the battery performance is improved, and the service life is prolonged, compared with comparative example 1.
Two groups of carbon batteries prepared by adopting the coated paper of the comparative example 1 and the example 1 are subjected to 43-ohm discharge leakage-resistant performance measurement, and the test method comprises the following steps: the carbon battery was loaded with a constant resistance of 43 ohms, a discharge mode of 24 hours/day and a cut-off voltage of 0.6 volts. The discharge leakage resistance of comparative example 1 and example 1 is shown in fig. 3 and 4, respectively. As can be seen from fig. 3 and 4, in comparison with comparative example 1, in example 1, the liquid leakage resistance of the battery in the discharging process is greatly improved when the coated paper prepared by adding sodium dodecylbenzene sulfonate and mixing sodium dodecylbenzene sulfonate with other raw materials is applied to the carbon battery.
According to the coated paper, the coating is coated on the surface of the base paper, and the raw material composition and the dosage ratio of the coating are designed and improved, so that when the coated paper is applied to a carbon battery, the liquid leakage resistance of the battery in the discharging process can be improved, the battery can achieve an excellent liquid leakage resistance effect, the adhesive property of the coated paper and the anode powder is good, and the performance and the service life of the battery can be improved; the preparation method of the coated paper is simple and convenient to operate, convenient to control, high in production efficiency, low in production cost and beneficial to industrial mass production.
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (8)
1. The utility model provides an increase thick liquid layer paper of carbon battery liquid leakage resistance which characterized in that: the coating is formed by coating a coating on the surface of the base paper, and the coating comprises the following raw materials in percentage by mass: 10-15% of acrylamide, 10-15% of polyvinyl alcohol, 30-40% of starch, 0.02-0.03% of bismuth oxide, 0.3-0.4% of a smoothing agent, 0.2-0.3% of tetrasodium ethylenediamine tetraacetate, 0.045-0.055% of sodium dodecyl benzene sulfonate and the balance of water.
2. The method of claim 1, wherein the method comprises the steps of: the starch is cross-linked starch.
3. The method for preparing the coated paper for improving the liquid leakage resistance of the carbon battery according to any one of claims 1 to 2, wherein: the method comprises the following steps:
step A: mixing the raw materials in proportion, and reacting to obtain the coating;
and B: coating the coating on the surfaces of two sides of the base paper to form wet coatings to obtain a coated paper crude product;
and C: and drying and winding the coarse coated paper.
4. The method of claim 3, wherein the method comprises the steps of: in the step A, mixing the raw materials in proportion, heating and then reacting to obtain a mixture A; and then cooling the mixture A, and reacting to obtain the coating.
5. The method of claim 3, wherein the method comprises the steps of: in the step A, the raw materials are mixed according to a proportion and then react for 3-4h at the temperature of 70-75 ℃ to obtain a mixture A; and then cooling the mixture A to the temperature of 20-30 ℃ for reaction to obtain the coating.
6. The method of claim 5, wherein the method comprises the steps of: in the step A, the mixture A reacts for 48 to 72 hours at the temperature of 20 to 30 ℃.
7. The method of claim 3, wherein the method comprises the steps of: in the step C, the drying temperature is 100-120 ℃.
8. The method of claim 3, wherein the method comprises the steps of: and in the step C, the drying speed is 25-30 m/min.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1092487A (en) * | 1993-03-05 | 1994-09-21 | 谢效超 | Pulp layer paper for mercury-free zinc-manganese dioxide dry cell |
| US5604054A (en) * | 1994-07-13 | 1997-02-18 | Rayovac Corporation | Reduced environmental hazard LeClanche cell having improved performance ionically permeable separator |
| CN1556278A (en) * | 2004-01-08 | 2004-12-22 | 佘志明 | Sizing layer paper for paper board battery and its manufacturing method |
| JP2006228503A (en) * | 2005-02-16 | 2006-08-31 | Sony Corp | Alkaline battery |
| JP2008034247A (en) * | 2006-07-28 | 2008-02-14 | Matsushita Electric Ind Co Ltd | Alkaline primary battery |
| CN108221489A (en) * | 2018-01-10 | 2018-06-29 | 广东肇庆明珠纸业有限公司 | Coated paper for producing mercury-free zinc-manganese dioxide dry battery and preparation method thereof |
| US20200052273A1 (en) * | 2017-02-17 | 2020-02-13 | Medtrum Technologies Inc. | Pulp paper for flexible batteries and the preparation method thereof |
-
2021
- 2021-05-06 CN CN202110491231.7A patent/CN113201971A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1092487A (en) * | 1993-03-05 | 1994-09-21 | 谢效超 | Pulp layer paper for mercury-free zinc-manganese dioxide dry cell |
| US5604054A (en) * | 1994-07-13 | 1997-02-18 | Rayovac Corporation | Reduced environmental hazard LeClanche cell having improved performance ionically permeable separator |
| CN1556278A (en) * | 2004-01-08 | 2004-12-22 | 佘志明 | Sizing layer paper for paper board battery and its manufacturing method |
| JP2006228503A (en) * | 2005-02-16 | 2006-08-31 | Sony Corp | Alkaline battery |
| JP2008034247A (en) * | 2006-07-28 | 2008-02-14 | Matsushita Electric Ind Co Ltd | Alkaline primary battery |
| US20200052273A1 (en) * | 2017-02-17 | 2020-02-13 | Medtrum Technologies Inc. | Pulp paper for flexible batteries and the preparation method thereof |
| CN108221489A (en) * | 2018-01-10 | 2018-06-29 | 广东肇庆明珠纸业有限公司 | Coated paper for producing mercury-free zinc-manganese dioxide dry battery and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 徐金: "锌银电池的应用和研究进展", 《电源技术》 * |
| 董明光等: "提高浆层纸性能 开发新品种", 《电池》 * |
| 郭炳焜等（编著）: "《化学电源—电池原理及制造技术》", 30 June 2000, 中南工业大学出版社 * |
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