CN109490152A - The measurement method of flaky powder radius-thickness ratio - Google Patents
The measurement method of flaky powder radius-thickness ratio Download PDFInfo
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- CN109490152A CN109490152A CN201811394036.7A CN201811394036A CN109490152A CN 109490152 A CN109490152 A CN 109490152A CN 201811394036 A CN201811394036 A CN 201811394036A CN 109490152 A CN109490152 A CN 109490152A
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- 239000000843 powder Substances 0.000 title claims abstract description 112
- 238000000691 measurement method Methods 0.000 title claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 68
- 239000007787 solid Substances 0.000 claims abstract description 41
- 238000005259 measurement Methods 0.000 claims abstract description 21
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 23
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 23
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 23
- 238000005520 cutting process Methods 0.000 claims description 19
- 238000009826 distribution Methods 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 22
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 24
- 239000010410 layer Substances 0.000 description 15
- 239000012188 paraffin wax Substances 0.000 description 15
- 239000002245 particle Substances 0.000 description 10
- 229920000915 polyvinyl chloride Polymers 0.000 description 9
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 8
- 239000002356 single layer Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 235000011194 food seasoning agent Nutrition 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009169 immunotherapy Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
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- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Analysing Materials By The Use Of Radiation (AREA)
Abstract
A kind of measurement method of flaky powder radius-thickness ratio, is related to field of measuring technique.The measurement method of the flaky powder radius-thickness ratio is the following steps are included: provide the supporting body that can be converted between liquid and solid-state；It disperses flaky powder on the supporting body surface of liquid, converts the supporting body of liquid to solid-state；Measure the flaky powder on solid supporting body and calculating.The measurement method of flaky powder radius-thickness ratio provided by the invention is not only simple to operate, and flaky powder can be made to be layered ordered arrangement, thus the accurate measurement data of acquisition rapidly and efficiently.
Description
Technical field
The present invention relates to a kind of field of measuring technique, and in particular to a kind of measurement method of flaky powder radius-thickness ratio.
Background technique
Sheet-like particle powder is a kind of special appearance powder in powder body material, and, radius-thickness ratio thin with thickness be big, unit
The characteristics such as the area coverage of weight is big, this make sheet-like particle powder compare common powder body material powder cover in power have it is bright
Aobvious advantage, while sheet-like particle powder has an outstanding advantages in the characteristics such as reflected light, heat, electromagnetic wave, used in conductive paint
Silver powder is the Typical Representative of flaky powder material.The radius-thickness ratio of flaky powder is ratio of the partial size with its thickness of sheet-like particle,
It is an important physical characteristic parameter, and one of the important indicator of evaluation powder flaking degree.
Currently, the method for domestic measurement sheet-like particle radius-thickness ratio mainly has crystal optics method, sedimentation and laser particle size
Analytic approach.Wherein, crystal optics method is to measure radius-thickness ratio with spindle stage and petrographic microscope cooperation, is by rotating needle handle
The granular powder on needle point will be covered to rise, and partial size and thickness are measured by petrographic microscope, and diameter is thus calculated
Thickness rate；Sedimentation is that partial size and the distribution of sedimentation powder are measured using the Stokes rate of settling；Laser immunotherapy is
Grain diameter and distribution are measured to scattering (diffraction) phenomenon of laser using particle.The method of state's external pelivimetry radius-thickness ratio is general
Have: electron scanning electron microscopy, X-ray projection image method, X-ray diffractometric structural analysis method etc., these types of measurement method is to pass through respectively
By sheet-like particle ordered arrangement, then epoxy resin method, pressed disc method boil glue method, dispersing agent seasoning, laminated layer method or half laminated layer method
Further measure the partial size and thickness of powder.
But since the laminated structure of flaky powder is not standard circular, and the thickness of flaky powder different parts has
Institute's difference, it is high to the measurement skill requirement of operator that this also results in crystal optics method, measurement result by man's activity very
Greatly.And sedimentation and Laser immunotherapy measure micro-nano flaky powder partial size can not its piece diameter of actual response with point
Cloth, can only react roughly the fineness of silver powder and substantially be distributed.In addition, epoxy resin method, pressed disc method, boiling glue method, dispersing agent
Seasoning, laminated layer method or half laminated layer method are more demanding to sample preparation operation, and having for horizontality cannot be presented in flaky powder completely
Sequence arranges or has certain destruction to powder shape, to influence the accuracy of testing result.Especially disperse powder in
When in liquid, the ratio of powder and liquid is excessively high, will lead to powder aggregation, as shown in Figure 1, causing to be difficult to measure single particle
Partial size, the ratio of powder and liquid is too low, and it is very few without having representativeness to will lead to particle.
Therefore, it is necessary to it is a kind of simple to operate and can acquisition flaky powder radius-thickness ratio rapidly and efficiently accurately measure number
According to method.
Summary of the invention
It is not only simple to operate the purpose of the present invention is to provide a kind of measurement method of flaky powder radius-thickness ratio,
And it being capable of the accurate measurement data of acquisition rapidly and efficiently.
The present invention solves its technical problem and adopts the following technical solutions to realize.
A kind of measurement method of flaky powder radius-thickness ratio comprising following steps:
Step 1: offer can be converted into the supporting body converted between solid-state from liquid；
Step 2: it disperses flaky powder on the supporting body surface of liquid, converts the supporting body of liquid to solid-state；
Step 3: the flaky powder on solid supporting body and calculating are measured.
Further, in a preferred embodiment of the present invention, above-mentioned supporting body includes paraffin, rosin or resin.
Further, in a preferred embodiment of the present invention, above-mentioned to further include the steps that between step 2 and step 3:
Flaky powder surface on solid supporting body covers the supporting body of one layer of new liquid, disperses flaky powder in new liquid
The supporting body surface of state, converts the supporting body of new liquid to solid-state.
Further, in a preferred embodiment of the present invention, above-mentioned the step of repeating between step 2 and step 3 is extremely
It is few primary.
Further, in a preferred embodiment of the present invention, it when flaky powder on the solid supporting body of above-mentioned measurement, will hold
Carrier edge is parallel to its surface direction and is cut, and the section obtained using scanning electron microscope shooting cutting is to measure flaky powder
Partial size.
Further, in a preferred embodiment of the present invention, above-mentioned to be clapped using Image J software statistics and calculating scanning electron microscope
The section that cutting obtains is taken the photograph to measure partial size and the distribution of flaky powder.
Further, in a preferred embodiment of the present invention, it when flaky powder on the solid supporting body of above-mentioned measurement, will hold
Carrier perpendicular to its surface direction along being cut, and the section obtained using scanning electron microscope shooting cutting is to measure flaky powder
Thickness.
Further, in a preferred embodiment of the present invention, above-mentioned to be clapped using Image J software statistics and calculating scanning electron microscope
The section that cutting obtains is taken the photograph to measure the thickness of flaky powder.
Further, in a preferred embodiment of the present invention, above-mentioned solid supporting body with a thickness of 1-5mm.
Further, in a preferred embodiment of the present invention, in above-mentioned steps two, flaky powder is dispersed in the carrying of liquid
Body surface face and after spreading 5-10min or more, converts the supporting body of liquid to solid-state.
The beneficial effect of the measurement method of the flaky powder radius-thickness ratio of the embodiment of the present invention is: provided in an embodiment of the present invention
The measurement method of flaky powder radius-thickness ratio is the following steps are included: provide the supporting body that can be converted between liquid and solid-state；It will
Flaky powder is scattered in the supporting body surface of liquid, converts the supporting body of liquid to solid-state；Measure solid supporting body
On flaky powder.The measurement method of flaky powder radius-thickness ratio provided by the invention is not only simple to operate, and can make piece
Shape powder is layered ordered arrangement, thus the accurate measurement data of acquisition rapidly and efficiently.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the electromicroscopic photograph in the prior art dispersed flaky powder in when flocking together in liquid；
Fig. 2 is the step flow chart of the measurement method for the flaky powder radius-thickness ratio that the embodiment of the present invention 2 provides；
Fig. 3 is the electromicroscopic photograph of the fixed flake silver powder in the surface of solid paraffin in the embodiment of the present invention 2；
Fig. 4 is the step flow chart of the measurement method for the flaky powder radius-thickness ratio that the embodiment of the present invention 3 provides；
Fig. 5 is the section electromicroscopic photograph that the rosin of single layer flake silver powder is enclosed in the embodiment of the present invention 2.
In figure: 100- paraffin；200- flaky powder；300- rosin.
Specific embodiment
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, according to normal conditions or manufacturer builds
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
The measurement method of the flaky powder radius-thickness ratio of the embodiment of the present invention is specifically described below.
Liquid described in the embodiment of the present invention refers to the flow regime of supporting body.
The embodiment of the invention provides a kind of measurement methods of flaky powder radius-thickness ratio comprising following steps:
Step 1: offer can be converted into the supporting body converted between solid-state from liquid；Preferably, supporting body is selected from energy
Enough substances converted between liquid and solid-state；It is furthermore preferred that supporting body includes paraffin, rosin or resin.It is further preferred that
Resin includes polyvinyl resin, acrylic resin or polyvinyl chloride.
Step 2: it disperses flaky powder on the supporting body surface of liquid, converts the supporting body of liquid to solid-state；
Preferably, after dispersing flaky powder in the supporting body surface of liquid and spread 5-10min or more, convert the supporting body of liquid
To solid-state；It is furthermore preferred that solid supporting body with a thickness of 1-5mm.
Step 3: the flaky powder on solid supporting body and calculating are measured.Preferably, it measures on solid supporting body
When flaky powder, supporting body edge is parallel to its surface direction and is cut, the section obtained using scanning electron microscope shooting cutting
To measure the partial size of flaky powder；It is furthermore preferred that using Image J software statistics and calculating what scanning electron microscope shooting cutting obtained
Section is to measure partial size and the distribution of flaky powder；It is further preferred that when measuring the flaky powder on solid supporting body, it will
Supporting body perpendicular to its surface direction along being cut, and the section obtained using scanning electron microscope shooting cutting is to measure flaky powder
Thickness；Still more preferably, the section obtained using Image J software statistics and calculating scanning electron microscope shooting cutting is to survey
Measure the thickness of flaky powder.
The measurement method of flaky powder radius-thickness ratio provided in an embodiment of the present invention is not only simple to operate, and can make piece
Shape powder is layered ordered arrangement, thus the accurate measurement data of acquisition rapidly and efficiently.The measurement side of the flaky powder radius-thickness ratio
Method is the supporting body for first preparing liquid, then trickles down flaky powder in the surface of the supporting body of liquid, by Brownian movement and
Gravity sprawls flaky powder naturally horizontally on the surface of the supporting body of liquid, and forms monolithic powder layer, and by certainly
So cooling, artificial cooling or other means make the supporting body of liquid be converted into solid supporting body, fix solid supporting body
Disperse and sprawl the monolithic powder layer to be formed, in order to staff measure the flaky powder on solid supporting body partial size and
Thickness flaky powder radius-thickness ratio is calculated, by select paraffin, rosin etc. can Flashmelt and cured supporting body or
Using the resin material of curable liquid as supporting body, it can significantly shorten the sample preparation period and reduce sample preparation operation hardly possible
Degree, to effectively improve measurement efficiency.In addition, when measuring the flaky powder on solid supporting body, by supporting body along flat
Row is cut in its surface direction or perpendicular to its surface direction, and the section obtained using scanning electron microscope shooting cutting is to measure
The partial size and thickness of flaky powder can be improved the clarity of scanning electron microscope shooting photo, improve the accuracy rate of measurement, lead to simultaneously
It crosses and uses Image J software statistics and calculate the section that scanning electron microscope shooting cutting obtains to measure the partial size and thickness of flaky powder
Degree, can further improve measurement efficiency and accuracy of measurement.
In a preferred embodiment of the invention, the measurement method of above-mentioned flaky powder radius-thickness ratio further includes being located at step
The step of between two and step 3: the flaky powder surface on solid supporting body covers the supporting body of one layer of new liquid,
It disperses flaky powder on the supporting body surface of new liquid, converts the supporting body of new liquid to solid-state；Preferably, it repeats
The step of between step 2 and step 3, is at least once.On the surface for the supporting body for dispersing flaky powder in liquid, and
After so that the supporting body of liquid is converted to solid supporting body, it can also repeat in the sheet for being fixed on solid supporting body surface
The supporting body of one layer of new liquid is covered on powder, and disperses new flaky powder on the supporting body surface of new liquid, is made
The supporting body of new liquid is converted to solid-state, repeatedly repeatedly, can solid supporting body surface in formation and internal shape
The flaky powder layer naturally horizontally sprawled at multilayer, consequently facilitating supporting body edge is parallel to its surface direction or hung down by staff
It is directly cut in its surface direction, and using the partial size and thickness of scanning electron microscope shooting multilayer and measurement flaky powder, thus
Multiple groups measurement can be carried out in a short time, the time needed for effectively shortening sample preparation repeatedly, greatly improve measurement
Efficiency.
Feature and performance of the invention are described in further detail with reference to embodiments.
Embodiment 1
The embodiment of the invention provides a kind of measurement methods of flaky powder radius-thickness ratio, as shown in Figure 2 comprising following step
It is rapid:
Step 1: prepare paraffin 100.
Step 2: heating paraffin wax 100 makes it melt the paraffin 100 for forming the liquid of liquid of 2mm thickness, by 0.05g piece
Shape silver powder is trickled down in the surface for the paraffin 100 for being scattered in liquid, and 10min is subsequently placed with, and makes flake silver powder 200 in the paraffin of liquid
100 diffusion into the surface arranges the horizontal single layer flake silver powder 200 orderly to tile, solidifies the paraffin 100 of the liquid of liquid
Form solid paraffin 100.
Step 3: measuring the flake silver powder 200 on solid paraffin 100, as shown in figure 3, being shot using scanning electron microscope solid
The surface of the paraffin 100 of state to measure the partial size of flake silver powder 200, by solid paraffin 100 along perpendicular to its surface direction into
Row cutting is measured the thickness of flake silver powder 200 using the section that scanning electron microscope shooting cutting obtains, further calculates to obtain piece
The radius-thickness ratio of shape silver powder 200.
Embodiment 2
The embodiment of the invention provides a kind of measurement methods of flaky powder radius-thickness ratio, as shown in Figure 4 comprising following step
It is rapid:
Step 1: prepare rosin 300.
Step 2: heating rosin 300 makes it melt the rosin 300 for forming the liquid of liquid of 3mm thickness, by 0.05g piece
Shape silver powder 200 is unrestrained and is scattered in the surface of the rosin 300 of liquid, is subsequently placed with 10min, makes flake silver powder 200 in liquid
The diffusion into the surface of rosin 300 arranges the horizontal single layer flake silver powder 200 orderly to tile, makes the rosin 300 of the liquid of liquid
Solidification forms solid rosin 300.
Step 3: 200 surface of flake silver powder on solid rosin 300 covers the rosin of the liquid of one layer of new liquid
300, it disperses 0.05g flake silver powder 200 on 300 surface of rosin of the liquid of new liquid, makes the pine of the liquid of new liquid
Perfume 300 is frozen into solid rosin 300, is repeated once the operation of above-mentioned steps three, then to obtain in solid rosin 300
Three layers of single layer flake silver powder 200；
Step 4: measuring the flake silver powder 200 on solid rosin 300, as shown in figure 3, by solid rosin 300 along flat
Row carries out cutting three layers of solid rosin 300 for obtaining being enclosed with single layer flake silver powder 200 of separation in its surface direction, using sweeping
It retouches Electronic Speculum and shoots the surface for being enclosed with three layers of solid rosin 300 of single layer flake silver powder 200 respectively to measure flake silver powder 200
Partial size, three layers of solid rosin 300 are cut along perpendicular to its surface direction, using scanning electron microscope shooting cutting obtain
Section to measure the thickness of flake silver powder 200, as shown in Figure 5；By Image J software statistics and calculate scanning electron microscope shooting
Obtained photo further calculates to obtain the radius-thickness ratio of flake silver powder 200 to calculate the partial size and thickness of flake silver powder 200.
Embodiment 3
The embodiment of the invention provides a kind of measurement methods of flaky powder radius-thickness ratio comprising following steps:
Step 1: prepare the polyvinyl resin of liquid.
Step 2: trickling down and be scattered in the surface of the polyvinyl resin of liquid by 10g flaked tantalum powder, places 6min, makes piece
Shape tantalum powder arranges the horizontal single layer flaked tantalum powder orderly to tile in the diffusion into the surface of the polyvinyl resin of liquid, then makes liquid
The polyvinyl resin of state solidifies.
Step 3: the flaked tantalum powder on the polyvinyl resin after solidifying is measured, as shown in figure 3, shooting using scanning electron microscope
The surface of solid polyvinyl resin is to measure the partial size of flaked tantalum powder, by solid polyvinyl resin along perpendicular to its surface side
To being cut, the thickness of flaked tantalum powder is measured using the section that scanning electron microscope shooting cutting obtains, passes through Image J software
The photo that scanning electron microscope is shot is counted and calculated to calculate the partial size and thickness of flaked tantalum powder, further calculates to obtain sheet
The radius-thickness ratio of tantalum powder.
In conclusion the measurement method of flaky powder radius-thickness ratio provided in an embodiment of the present invention is not only simple to operate,
And flaky powder can be made to be layered ordered arrangement, thus the accurate measurement data of acquisition rapidly and efficiently.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.Reality of the invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (10)
1. a kind of measurement method of flaky powder radius-thickness ratio, which is characterized in that itself the following steps are included:
Step 1: offer can be converted into solid supporting body from liquid；
Step 2: dispersing flaky powder on the supporting body surface of liquid, then make the supporting body of liquid convert to
Solid-state；
Step 3: flaky powder and calculating on the solid supporting body of measurement.
2. the measurement method of flaky powder radius-thickness ratio according to claim 1, which is characterized in that the supporting body includes stone
Wax, rosin or resin.
3. the measurement method of flaky powder radius-thickness ratio according to claim 1, which is characterized in that further include being located at step 2
The step of between step 3: the flaky powder surface on the solid supporting body covers the carrying of one layer of new liquid
Body disperses flaky powder on the supporting body surface of new liquid, converts the supporting body of new liquid to solid-state.
4. the measurement method of flaky powder radius-thickness ratio according to claim 3, which is characterized in that repeat be located at step 2 and
The step of between step 3, is at least once.
5. the measurement method of flaky powder radius-thickness ratio according to claim 4, which is characterized in that held described in measurement is solid
When the flaky powder on carrier, the supporting body is cut along being parallel to its surface direction, is clapped using scanning electron microscope
The section that cutting obtains is taken the photograph to measure the partial size of flaky powder.
6. the measurement method of flaky powder radius-thickness ratio according to claim 5, which is characterized in that use Image J software
Statistics and calculating scanning electron microscope shoot the section that cutting obtains to measure partial size and the distribution of flaky powder.
7. the measurement method of flaky powder radius-thickness ratio according to claim 1, which is characterized in that held described in measurement is solid
When the flaky powder on carrier, by the supporting body along being cut perpendicular to its surface direction, clapped using scanning electron microscope
The section that cutting obtains is taken the photograph to measure the thickness of flaky powder.
8. the measurement method of flaky powder radius-thickness ratio according to claim 7, which is characterized in that use Image J software
Statistics and calculating scanning electron microscope shoot the section that cutting obtains to measure the thickness of flaky powder.
9. the measurement method of flaky powder radius-thickness ratio according to claim 1, which is characterized in that the solid supporting body
With a thickness of 1-5mm.
10. the measurement method of flaky powder radius-thickness ratio according to claim 1, which is characterized in that, will in the step 2
After flaky powder is scattered in the supporting body surface of liquid and spreads 5-10min or more, convert the supporting body of liquid
To solid-state.
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|---|---|---|---|---|
| CN114985758A (en) * | 2022-07-29 | 2022-09-02 | 长春黄金研究院有限公司 | Preparation method of flake silver powder |
| CN114985758B (en) * | 2022-07-29 | 2022-11-08 | 长春黄金研究院有限公司 | Preparation method of flake silver powder |
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| CN109490152B (en) | 2020-06-23 |
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