CN101671975A - Coated paper for stacked battery and preparation method thereof - Google Patents
Coated paper for stacked battery and preparation method thereof Download PDFInfo
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- CN101671975A CN101671975A CN200910204711.XA CN200910204711A CN101671975A CN 101671975 A CN101671975 A CN 101671975A CN 200910204711 A CN200910204711 A CN 200910204711A CN 101671975 A CN101671975 A CN 101671975A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000011247 coating layer Substances 0.000 claims abstract description 49
- 238000005260 corrosion Methods 0.000 claims abstract description 32
- 230000007797 corrosion Effects 0.000 claims abstract description 32
- 229920000881 Modified starch Polymers 0.000 claims abstract description 30
- 239000004368 Modified starch Substances 0.000 claims abstract description 30
- 235000019426 modified starch Nutrition 0.000 claims abstract description 30
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims abstract description 30
- 239000002131 composite material Substances 0.000 claims abstract description 25
- 239000003112 inhibitor Substances 0.000 claims abstract description 25
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 24
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 19
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 238000003475 lamination Methods 0.000 claims description 33
- 229920002554 vinyl polymer Polymers 0.000 claims description 23
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 18
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 18
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 18
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000008367 deionised water Substances 0.000 claims description 10
- 229910021641 deionized water Inorganic materials 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 9
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 7
- JHXKRIRFYBPWGE-UHFFFAOYSA-K bismuth chloride Chemical compound Cl[Bi](Cl)Cl JHXKRIRFYBPWGE-UHFFFAOYSA-K 0.000 claims description 7
- 239000011701 zinc Substances 0.000 claims description 7
- 229910052725 zinc Inorganic materials 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 2
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 abstract description 22
- 239000007788 liquid Substances 0.000 abstract description 17
- 238000010521 absorption reaction Methods 0.000 abstract description 9
- 238000002955 isolation Methods 0.000 abstract description 6
- WJZHMLNIAZSFDO-UHFFFAOYSA-N manganese zinc Chemical compound [Mn].[Zn] WJZHMLNIAZSFDO-UHFFFAOYSA-N 0.000 abstract description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 25
- 239000002002 slurry Substances 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 11
- 239000000470 constituent Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229920006316 polyvinylpyrrolidine Polymers 0.000 description 6
- 229920001131 Pulp (paper) Polymers 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000006136 alcoholysis reaction Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 125000002091 cationic group Chemical group 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000536 complexating effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005764 inhibitory process Effects 0.000 description 3
- 238000009955 starching Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005213 imbibition Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000010220 ion permeability Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Y02E60/12—
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- Battery Electrode And Active Subsutance (AREA)
- Cell Separators (AREA)
Abstract
The invention provides coated paper for a stacked battery and a preparation method thereof, wherein, the coated paper comprises base paper and a coating layer coated at the front of the base paper, i.e. single-side coating; and the coating layer is composed of modified starch, polyacrylamide, polyvinyl alcohol, a composite corrosion inhibitor, polyvinyl pyrrolidone and the like. The coated paper for the stacked battery is composed of negative pulp board paper and cup paper (i.e. carbon-clad paper), wherein, the negative pulp board paper has good liquid keeping performance and high isolation performance; and the cup paper has large liquid absorption amount and fast liquid absorption speed, thus meeting the electrical property requirement of high open circuit voltage and low short-circuit current for the stacked zinc-manganese dry cell. The coated paper can meet the industrial production requirement of the stacked battery.
Description
Technical field
The present invention relates to a kind of pulp layered paper and preparation method thereof, relate to dry cell manufacturing technology field, particularly relate to a kind of pulp layered paper of making lamination type battery and preparation method thereof that is used to.
Background technology
Laminated type zinc-maganese dioxide dry cell and cylinder type zinc-maganese dioxide dry cell have bigger difference on electrical property: the open-circuit voltage of laminated type zinc-maganese dioxide dry cell is a 6-22.5 volt or higher, short circuit current has only the 0.5-1 peace, and garden cartridge type zinc-maganese dioxide dry cell open-circuit voltage has only 1.5-1.7V, and short circuit current but reaches the 3-10 peace.This just requires the negative pole pulpboard paper of lamination type battery slurry layer paper better than cylinder battery pulp layered paper barrier, and the cup paper of lamination type battery slurry layer paper is faster than the absorption speed of garden cartridge type zinc-manganese dry battery coated paper again, it is stronger to protect fluidity, and ion permeability is better.
In the past, domestic production laminated type zinc-maganese dioxide dry cell is to use the cylinder type zinc-manganese dry battery coated paper, because isolation performance is bad, causes poor product quality, simultaneously, because it is slow to make bag carbon paper rate of liquid aspiration with it, causes flowing water work production continuously.Scientific information research is retrieved through Guangdong Province, the domestic report that does not still have laminated type pulp layered paper technology.
Summary of the invention
Main purpose of the present invention provides a kind of pulp layered paper that satisfies lamination type battery mechanized continuous productive process production usefulness, this lamination type battery slurry layer paper isolation performance and guarantor's fluidity can be good, liquid absorption is big simultaneously, rate of liquid aspiration is fast, can satisfy the requirement on electric performance and the manufacturing technique requirent of laminated type zinc-maganese dioxide dry cell.
Another object of the present invention provides a kind of preparation method who is used for the pulp layered paper of lamination type battery.
In order to achieve the above object, it is fast to solve the cup paper rate of liquid aspiration, and liquid absorption is big; The high technical problem of negative pole pulpboard paper isolation performance.The present invention realizes by the following technical solutions: a kind of pulp layered paper that is used for lamination type battery according to the present invention proposes, have basic paper, and the one side of described matrix is coated with a coating layer.
According to the pulp layered paper that is used for lamination type battery of the embodiment of the invention, described coating layer comprises the each component of following weight percentage, and the percentage composition sum of each component is 100%:
Modified starch 35%～40%
Polyacrylamide 2%～3%
Polyvinyl alcohol 35%～50%
Composite corrosion inhibitor 1.5%～3%
PVP 13%～15%.
According to the pulp layered paper that is used for lamination type battery of the embodiment of the invention, described composite corrosion inhibitor is made up of bismuth trichloride and EDTA, and wherein, the weight ratio of bismuth trichloride and EDTA is 5～7: 1.
According to the pulp layered paper that is used for lamination type battery of the embodiment of the invention, described polyvinyl alcohol comprises: 15%～20% polyvinyl alcohol-1788, and 25%～35% polyvinyl alcohol-1799.
According to the pulp layered paper that is used for lamination type battery of the embodiment of the invention, described PVP comprises: 10%～13% PVP K-90, and 1%～3% PVP K-30.
According to the pulp layered paper that is used for lamination type battery of the embodiment of the invention, described coating layer is made up of the cup paper coating that is attached to the negative pole pulpboard paper and coating on the zinc negative pole and is used for wrapping up positive electrode.
According to the pulp layered paper that is used for lamination type battery of the embodiment of the invention, described negative pole pulpboard paper and coating comprises the each component of following weight percentage:
Modified starch 40% polyacrylamide 2%
Polyvinyl alcohol-1,799 30% polyvinyl alcohol-1,788 18%
Composite corrosion inhibitor 3% PVP K-90 2%
Carboxymethyl cellulose 5%.
According to the pulp layered paper that is used for lamination type battery of the embodiment of the invention, the cup paper coating comprises the each component of following weight percentage:
Modified starch 40% polyacrylamide 3%
Polyvinyl alcohol-1,799 10% polyvinyl alcohol-1,788 25%
Composite corrosion inhibitor 2% PVP K-90 13%
PVP K-30 2% carboxymethyl cellulose 5%.
In addition, the invention allows for a kind of preparation method who is used for the pulp layered paper of lamination type battery, may further comprise the steps: the 1. preparation of coating layer: the modified starch with 35%～40% adds deionized water and is modulated into modified starch solution, again with 35%～50% polyvinyl alcohol, 2%～3% polyacrylamide, 3.5%～5.5% carboxymethyl cellulose, 13%～15% PVP adds deionized water dissolving, join in the modified starch solution then and stir, in whipping process, add 1.5%～3% composite corrosion inhibitor, stirring can obtain negative pole pulpboard paper coating layer and cup paper coating layer respectively until even mixing; 2. above-mentioned negative pole pulpboard paper coating layer and cup paper coating layer are uniformly coated on the one side of basic paper, promptly get pulp layered paper after the drying.
According to the preparation method of the embodiment of the invention, the thickness of described cup paper coating layer is 40～45 μ m, and the thickness of described pulpboard paper coating layer is 60～70 μ m.
By technique scheme, the present invention is used for pulp layered paper of lamination type battery and preparation method thereof and has following advantage:
1, changing the double spread slurry is a coating sizing-agent, and the one side of pasting does not contact with negative pole, after the imbibition, makes pulp layered paper more closely contact negative plate zinc metal sheet, to get rid of the oxygen in the space, avoids reducing because of the zinc metal sheet oxidation period of storage of battery.
2, in slurry, increase in the amount of converted starch, polyacrylamide and polyvinyl alcohol, use composite corrosion inhibitor to improve its barrier property and corrosion inhibition effectively.Because polyacrylamide has active amide groups (NH on strand
2), it can with the high-valence cationic generation complexing in the corrosion inhibiter, form cotton-shaped gel complex compound, the solubility of polyacrylamide in slurry is reduced, and viscosity descends, when flocculation is serious, also curl phenomenon and form the bulk gel with hydrogen bond association thing and molecule, traditional method is to regulate pH value, increases H+ concentration, makes-NH
2The elecrtonegativity of the nitrogen-atoms in the group weakens, it is difficult to and high-valence cationic generation complexing again, but often effect is undesirable, composite corrosion inhibitor of the present invention is made up of bismuth trichloride and EDTA, EDTA is as screening agent like this, allow the high-valence cationic in the corrosion inhibiter form stable complex compound with EDTA earlier, like this, high-valence cationic just can not produce gel with polyacrylamide generation complexing again, improved the chemical stability of corrosion inhibiter in the corrosion inhibiter greatly, because avoid gel to produce, the film forming of slurry also improves greatly, thereby effectively improves its barrier property and corrosion inhibition.
3, in negative pole pulpboard pulp material, add the polyvinyl alcohol and the PVP of two kinds of different alcoholysis degrees, the pulp layered paper film forming is improved greatly, improve the isolation of negative pole pulp layered paper effectively.
4, in cup paper, add the strong macromolecular material PVP of absorbency, thereby it is fast to reach the cup paper rate of liquid aspiration, the requirement that liquid absorption is big.
5, by the contrast experiment, the rate of liquid aspiration of cup paper of the present invention improves 10% than general garden cartridge type dry cell pulp layer paper, and liquid absorption is big 1.5 times, and negative pole pulpboard paper (butt) resistivity improves 20% than garden cartridge type dry cell pulp layer paper; Production practices prove that layer build dry cell pulp layered paper of the present invention satisfies the production requirement of layer build dry cell mechanized continuous productive process fully, and the layer build dry cell of production also can reach its requirement on electric performance.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the structural representation that the present invention is used for the pulp layered paper of lamination type battery.
Fig. 2 (a) and 2 (b) are respectively the preparation technology figure of the negative pole pulpboard paper pulp bed of material of the present invention, cup paper pulp layer.
Fig. 3 is the preparation method's of the present invention's pulp layered paper of being used for lamination type battery a process chart.
10: basic paper
20: coating layer
The specific embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, the pulp layered paper that is used for lamination type battery that foundation the present invention is proposed and preparation method thereof its specific embodiment, step, feature and effect thereof, describe in detail as after.
See also shown in Figure 1ly, laminated type pulp layered paper of the present invention comprises basic paper and is coated in the coating layer of basic paper one side.This coating layer mainly is meant the negative pole pulpboard paper coating layer that is attached on the zinc negative pole and is used for wrapping up the cup paper of positive electrode (claiming the bag carbon paper again) coating layer.See also Fig. 2 (a) and 2 (b) are described, the pulp layer of above-mentioned negative pole pulpboard paper by modified starch, polyacrylamide, polyvinyl alcohol, carboxymethyl cellulose, composite corrosion inhibitor, and PVP form, and pulp layer contains absorbency, PVP K-90 that film forming is strong, and the polyvinyl alcohol-1788 and the polyvinyl alcohol-1799 of two kinds of different alcoholysis degrees, coating layer thickness is 60-70 μ m.Cup paper (the claiming the bag carbon paper again) coating layer that is used for wrapping up positive electrode is made up of polyvinyl alcohol, carboxymethyl cellulose, modified starch, polyacrylamide, composite corrosion inhibitor, polyvinylpyrrolidone, and described cup paper coating layer contains the polyvinyl alcohol of two kinds of different alcoholysis degrees and the PVP of two kinds of different molecular magnitudes (being different K values), and the thickness of described cup paper coating layer is 40～45 μ m.
The present invention is used for the pulp layered paper of lamination type battery, the double spread slurry that changes prior art is a coating sizing-agent, the one side of pasting does not contact with negative pole, after the imbibition, make pulp layered paper more closely contact negative plate zinc metal sheet, to get rid of the oxygen in the space, avoid reducing the period of storage of battery because of the zinc metal sheet oxidation.Composite corrosion inhibitor used in the present invention can be made up of bismuth trichloride and EDTA, and its ratio is (weight ratio) bismuth trichloride: EDTA5～7: 1, can improve its barrier property and corrosion inhibition effectively.In negative pole pulpboard pulp material, add the polyvinyl alcohol and the PVP of two kinds of different alcoholysis degrees, the pulp layered paper film forming is improved greatly, improve the isolation of negative pole pulp layered paper effectively.In cup paper, add the strong macromolecular material PVP of absorbency, thereby it is fast to reach the cup paper rate of liquid aspiration, the requirement that liquid absorption is big.
See also shown in Figure 3ly, Fig. 3 is the preparation method's of the present invention's pulp layered paper of being used for lamination type battery a process chart.At first join slurry, joining slurry is with the above-mentioned material water-soluble, mixes respectively by the component of above-mentioned negative pole pulpboard paper and cup paper, stirs, and makes the dope layer of negative pole pulpboard paper and cup paper respectively; Starching afterwards, starching are the slurries of coating negative pole pulpboard paper or cup paper on basic paper equably; After starching is handled, dry coil paper.
Embodiment 1
The preparation of coating layer:
Wherein, each constituent content of negative pole pulpboard paper coating layer is respectively: polyvinyl alcohol-1788:18%, polyvinyl alcohol 1799:30%, modified starch: 40%, carboxymethyl cellulose: 5%, polyacrylamide: 2%, PVP K-90:2%, composite corrosion inhibitor: 3.0%.
Each constituent content of cup paper pulp layer is respectively: polyvinyl alcohol-1799:10%, polyvinyl alcohol-1788:25%, modified starch: 40%, carboxymethyl cellulose: 5%, polyacrylamide: 3.0%, polyvinylpyrrolidone K-90:13%, polyvinylpyrrolidone K-30:2%, composite corrosion inhibitor 2%.
Above-mentioned modified starch is added deionized water be modulated into modified starch solution; Again above-mentioned polyvinyl alcohol, polyacrylamide, carboxymethyl cellulose, PVP are added deionized water dissolving, join in the modified starch solution then and stir, in whipping process, add composite corrosion inhibitor, EDTA, stirring can obtain negative pole pulpboard paper coating layer and cup paper coating layer respectively until even mixing; Negative pole pulpboard paper coating layer and cup paper coating layer are uniformly coated on the one side of basic paper, promptly get pulp layered paper after the drying.
Embodiment 2
The preparation of coating layer:
Wherein, each constituent content of negative pole pulpboard paper coating layer is respectively: polyvinyl alcohol-1788:18%, polyvinyl alcohol 1799:30%, modified starch: 40%, carboxymethyl cellulose: 5%, polyacrylamide: 2%, PVP K-90:2.5%, composite corrosion inhibitor: 2.5%.
Each constituent content of cup paper pulp layer is respectively: polyvinyl alcohol-1799:10%, polyvinyl alcohol-1788:25%, modified starch: 40%, carboxymethyl cellulose: 5%, polyacrylamide: 3%, polyvinylpyrrolidone K-90:13%, polyvinylpyrrolidone K-30:2.3%, composite corrosion inhibitor 1.7%.
Above-mentioned modified starch is added deionized water be modulated into modified starch solution; Again above-mentioned polyvinyl alcohol, polyacrylamide, carboxymethyl cellulose, PVP are added deionized water dissolving, join in the modified starch solution then and stir, in whipping process, add composite corrosion inhibitor, stirring can obtain negative pole pulpboard paper coating layer and cup paper coating layer respectively until even mixing; Negative pole pulpboard paper coating layer and cup paper coating layer are uniformly coated on the one side of basic paper, promptly get pulp layered paper after the drying.
Embodiment 3
The preparation of coating layer:
Wherein, each constituent content of negative pole pulpboard paper coating layer is respectively: polyvinyl alcohol-1788:20%, polyvinyl alcohol 1799:30%, modified starch: 38%, carboxymethyl cellulose: 5%, polyacrylamide: 3%, PVP K-90:2%, composite corrosion inhibitor: 2%.
Each constituent content of cup paper pulp layer is respectively: polyvinyl alcohol-1799:10%, polyvinyl alcohol-1788:25%, modified starch: 40%, carboxymethyl cellulose: 5%, polyacrylamide: 3%, polyvinylpyrrolidone K-90:12%, polyvinylpyrrolidone K-30:3%, composite corrosion inhibitor 2.0%.
Above-mentioned modified starch is added deionized water be modulated into modified starch solution; Again above-mentioned polyvinyl alcohol, polyacrylamide, carboxymethyl cellulose, PVP are added deionized water dissolving, join in the modified starch solution then and stir, in whipping process, add composite corrosion inhibitor, stirring can obtain negative pole pulpboard paper coating layer and cup paper coating layer respectively until even mixing; Negative pole pulpboard paper coating layer and cup paper coating layer are uniformly coated on the one side of basic paper, promptly get pulp layered paper after the drying.
The present invention is used for the performance comparison (seeing Table 1) as shown in the table of layer build dry cell pulp layered paper and common garden column type dry cell pulp layer paper:
The performance comparison table of table 1 the present invention and common garden column type dry cell pulp layer paper
| Lamination type battery slurry layer paper | Common garden column type battery slurry layer paper | |
| Rate of liquid aspiration min/0.05ml | ??50-60 | ??10-50 |
| Pick up % | ??100-180 | ??60-100 |
| Resistivity (Ω) | ??0.06-0.07 | ??0.04-0.05 |
In sum, by the contrast experiment, the rate of liquid aspiration of cup paper of the present invention improves 10% than general garden column type dry cell pulp layer paper, and liquid absorption is big 1.5 times, and negative pole pulpboard paper (butt) resistivity improves 20% than garden column type dry cell pulp layer paper; Production practices prove that layer build dry cell pulp layered paper of the present invention satisfies the production requirement of layer build dry cell mechanized continuous productive process fully, and the layer build dry cell of production also can reach its requirement on electric performance.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (10)
1, a kind of pulp layered paper that is used for lamination type battery has basic paper, it is characterized in that: the one side of described matrix is coated with a coating layer.
2, the pulp layered paper that is used for lamination type battery according to claim 1, it is characterized in that: described coating layer comprises the each component of following weight percentage:
Modified starch 35%～40%
Polyacrylamide 2%～3%
Polyvinyl alcohol 35%～50%
Composite corrosion inhibitor 1.5%～3%
PVP 13%～15%
Carboxymethyl cellulose 3.5%～5.5%.
3, the pulp layered paper that is used for lamination type battery according to claim 2, it is characterized in that: described composite corrosion inhibitor is made up of bismuth trichloride and EDTA, and wherein, the weight ratio of bismuth trichloride and EDTA is 5～7: 1.
4, the pulp layered paper that is used for lamination type battery according to claim 3, it is characterized in that: described polyvinyl alcohol comprises: 15%～20% polyvinyl alcohol-1788, and 25%～35% polyvinyl alcohol-1799.
5, the pulp layered paper that is used for lamination type battery according to claim 4, it is characterized in that: described PVP comprises: 10%～13% PVP K-90, and 1%～3% PVP K-30.
6, according to the described pulp layered paper that is used for lamination type battery of arbitrary claim in the claim 1～5, it is characterized in that: described coating layer is made up of the cup paper coating that is attached to the negative pole pulpboard paper and coating on the zinc negative pole and is used for wrapping up positive electrode.
7, the pulp layered paper that is used for lamination type battery according to claim 6 is characterized in that: described negative pole pulpboard paper and coating comprises the each component of following weight percentage:
Modified starch 40% polyacrylamide 2%
Polyvinyl alcohol-1,799 30% polyvinyl alcohol-1,788 18%
Composite corrosion inhibitor 3% PVP K-90 2%
Carboxymethyl cellulose 5%.
8, the pulp layered paper that is used for lamination type battery according to claim 6, it is characterized in that: described cup paper coating comprises the each component of following weight percentage:
Modified starch 40% polyacrylamide 3%
Polyvinyl alcohol-1,799 10% polyvinyl alcohol-1,788 25%
Composite corrosion inhibitor 2% PVP K-90 13%
PVP K-30 2% carboxymethyl cellulose 5%.
9, a kind of preparation method who is used for the pulp layered paper of lamination type battery is characterized in that it may further comprise the steps:
1. the preparation of coating layer:
Modified starch with 35%～40% adds deionized water and is modulated into modified starch solution, again 35%～50% polyvinyl alcohol, 2%～3% polyacrylamide, 3.5%～5.5% carboxymethyl cellulose, 13%～15% PVP are added deionized water dissolving, join in the modified starch solution then and stir, in whipping process, add 1.5%～3% composite corrosion inhibitor, stirring can obtain negative pole pulpboard paper coating layer and cup paper coating layer respectively until even mixing;
2. above-mentioned negative pole pulpboard paper coating layer and cup paper coating layer are uniformly coated on the one side of basic paper, promptly get pulp layered paper after the drying.
10, the preparation method who is used for the pulp layered paper of lamination type battery according to claim 9 is characterized in that: the thickness of described cup paper coating layer is 40～45 μ m, and the thickness of described pulpboard paper coating layer is 60～70 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910204711.XA CN101671975B (en) | 2008-10-07 | 2009-09-29 | Coated paper for stacked battery and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810198998.5 | 2008-10-07 | ||
| CN200810198998.5A CN101369646A (en) | 2008-10-07 | 2008-10-07 | Lamination type battery slurry layer paper |
| CN200910204711.XA CN101671975B (en) | 2008-10-07 | 2009-09-29 | Coated paper for stacked battery and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101671975A true CN101671975A (en) | 2010-03-17 |
| CN101671975B CN101671975B (en) | 2011-11-23 |
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| CN200810198998.5A Pending CN101369646A (en) | 2008-10-07 | 2008-10-07 | Lamination type battery slurry layer paper |
| CN200910204711.XA Expired - Fee Related CN101671975B (en) | 2008-10-07 | 2009-09-29 | Coated paper for stacked battery and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3583641A4 (en) * | 2017-02-17 | 2020-10-14 | Medtrum Technologies Inc. | A pulp paper for flexible batteries and the preparation method thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798778B (en) * | 2010-03-09 | 2011-06-15 | 肖勇 | Coated paper of mercury-free zinc manganese dry cell for high-speed battery production line and preparation method thereof |
| CN103147348B (en) * | 2013-03-28 | 2015-11-18 | 肖勇 | The high speed production line for manufacturing battery pulp layered paper produced with K8 cable paper and preparation method |
| CN112928385A (en) * | 2021-03-23 | 2021-06-08 | 华中科技大学 | Diaphragm coating for lithium metal negative electrode protection and preparation method and application thereof |
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2008
- 2008-10-07 CN CN200810198998.5A patent/CN101369646A/en active Pending
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- 2009-09-29 CN CN200910204711.XA patent/CN101671975B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3583641A4 (en) * | 2017-02-17 | 2020-10-14 | Medtrum Technologies Inc. | A pulp paper for flexible batteries and the preparation method thereof |
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| CN101671975B (en) | 2011-11-23 |
| CN101369646A (en) | 2009-02-18 |
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