WO2012148104A2 - 은 코팅 안료 및 그 제조 방법 - Google Patents
은 코팅 안료 및 그 제조 방법 Download PDFInfo
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- WO2012148104A2 WO2012148104A2 PCT/KR2012/002765 KR2012002765W WO2012148104A2 WO 2012148104 A2 WO2012148104 A2 WO 2012148104A2 KR 2012002765 W KR2012002765 W KR 2012002765W WO 2012148104 A2 WO2012148104 A2 WO 2012148104A2
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- Prior art keywords
- silver
- weight
- parts
- substrate
- coating
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- 229910052709 silver Inorganic materials 0.000 title claims abstract description 78
- 239000004332 silver Substances 0.000 title claims abstract description 78
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 239000000049 pigment Substances 0.000 title claims abstract description 66
- 238000000576 coating method Methods 0.000 title claims abstract description 46
- 239000011248 coating agent Substances 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims abstract description 54
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 50
- 239000000758 substrate Substances 0.000 claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 38
- 239000010410 layer Substances 0.000 claims abstract description 36
- 239000011247 coating layer Substances 0.000 claims abstract description 28
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000010992 reflux Methods 0.000 claims abstract description 27
- 229910001961 silver nitrate Inorganic materials 0.000 claims abstract description 27
- 230000008569 process Effects 0.000 claims abstract description 18
- 150000003606 tin compounds Chemical class 0.000 claims abstract description 16
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 11
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 11
- 238000007772 electroless plating Methods 0.000 claims abstract description 10
- 239000000243 solution Substances 0.000 claims description 23
- 239000003085 diluting agent Substances 0.000 claims description 19
- 239000000843 powder Substances 0.000 claims description 18
- 239000000725 suspension Substances 0.000 claims description 17
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 16
- 239000002002 slurry Substances 0.000 claims description 15
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- 239000008103 glucose Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- 239000010445 mica Substances 0.000 claims description 10
- 229910052618 mica group Inorganic materials 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000001509 sodium citrate Substances 0.000 claims description 8
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims description 8
- 230000000845 anti-microbial effect Effects 0.000 claims description 6
- 210000003298 dental enamel Anatomy 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000010790 dilution Methods 0.000 claims description 5
- 239000012895 dilution Substances 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 230000018044 dehydration Effects 0.000 claims description 2
- 238000006297 dehydration reaction Methods 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 15
- 101150003085 Pdcl gene Proteins 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 229910017604 nitric acid Inorganic materials 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 239000002537 cosmetic Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 3
- 238000004220 aggregation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 150000002736 metal compounds Chemical class 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 206010070834 Sensitisation Diseases 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hcl hcl Chemical compound Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- OTCVAHKKMMUFAY-UHFFFAOYSA-N oxosilver Chemical group [Ag]=O OTCVAHKKMMUFAY-UHFFFAOYSA-N 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- -1 silver ions Chemical class 0.000 description 1
- XNRABACJWNCNEQ-UHFFFAOYSA-N silver;azane;nitrate Chemical compound N.[Ag+].[O-][N+]([O-])=O XNRABACJWNCNEQ-UHFFFAOYSA-N 0.000 description 1
- HAAYBYDROVFKPU-UHFFFAOYSA-N silver;azane;nitrate Chemical compound N.N.[Ag+].[O-][N+]([O-])=O HAAYBYDROVFKPU-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
Images
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/0078—Pigments consisting of flaky, non-metallic substrates, characterised by a surface-region containing free metal
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/62—Metallic pigments or fillers
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- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
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- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
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- A61Q1/02—Preparations containing skin colorants, e.g. pigments
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- A61Q3/02—Nail coatings
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- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
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- C09C1/24—Oxides of iron
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- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/28—Compounds of silicon
- C09C1/30—Silicic acid
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- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/40—Compounds of aluminium
- C09C1/405—Compounds of aluminium containing combined silica, e.g. mica
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- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/40—Compounds of aluminium
- C09C1/407—Aluminium oxides or hydroxides
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- C—CHEMISTRY; METALLURGY
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- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1633—Process of electroless plating
- C23C18/1635—Composition of the substrate
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/1851—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material
- C23C18/1872—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by chemical pretreatment
- C23C18/1886—Multistep pretreatment
- C23C18/1893—Multistep pretreatment with use of organic or inorganic compounds other than metals, first
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/42—Coating with noble metals
- C23C18/44—Coating with noble metals using reducing agents
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- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
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- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/62—L* (lightness axis)
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
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- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
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- C01P2006/64—Optical properties, e.g. expressed in CIELAB-values b* (yellow-blue axis)
Definitions
- the present invention relates to a silver (Ag) coating pigment coated in a multi-layer, and to improve the coating efficiency of the electroless plating method without using an expensive compound such as PdCl 2 as a pretreatment material, a high-brightness silver coating pigment with improved economic efficiency It relates to a technology that allows easy production.
- the pearlescent pigment forms a coating layer on top of the transparent substrate layer of the powder, and uses the resultant of the powder on which the coating layer is formed.
- a metal oxide having a high refractive index such as TiO 2 , Fe 2 O 3 , and a low refractive material such as SiO 2 , MgO ⁇ SiO 2, or the like is used as a material to be coated on the transparent substrate layer. These materials were coated in a single layer or multiple layers on the transparent substrate layer to prepare pearlescent pigments of various colors.
- the operation of the initial reaction solution manufacturing process using the metal salt as a starting material in the manufacturing process of the metal oxide is not easy and the limitation that does not have a high gloss like metal due to the optical properties of the metal oxide Has
- the present invention is to prepare a pigment having a laminated structure of a substrate, a pretreatment layer and a silver (Ag) coating layer, without first using an expensive metal compound such as PdCl 2 as a pretreatment layer forming method, sputtering in the silver coating process
- Another object of the present invention is to provide a method for producing a silver coating pigment that can reduce production costs and improve manufacturing efficiency by not using expensive equipment such as a microwave irradiation device.
- the present invention integrates and simplifies the three steps of cleaning, sensitization and activation into one step of the reflux process in forming an Ag coating layer. It is an object of the present invention to provide a method for producing a silver coated pigment which makes it possible to reduce the cost and to reduce the installation cost.
- the silver (Ag) coating pigment manufacturing method according to the present invention can be performed in a state in which an expensive metal compound such as PdCl 2 is excluded as a pretreatment layer forming method, thereby providing a production cost reduction effect and a facility investment cost reduction effect.
- the silver (Ag) coating pigment manufacturing method according to the present invention without using a conventional sputtering or microwave irradiation process, integrated and simplified in one step of the reflux process to reduce the process cost, and improve the production efficiency It provides an effect that can be improved.
- the silver (Ag) coated pigment according to the present invention provides excellent antimicrobial properties and electromagnetic shielding effect.
- 1 is a graph showing the electromagnetic wave shielding effect range of the pigment powder according to the present invention.
- the pigment according to the present invention includes a pretreatment layer formed on the surface of the substrate to facilitate coating, and a silver coating layer formed on the pretreatment layer.
- a slurry using hydrochloric acid (HCl) and tin compound (SnCl 2 ⁇ 2H 2 O) is prepared and refluxed so that a pretreatment layer of a tin compound material is formed on a substrate.
- a slurry having a solid content of 10 to 20% by weight is prepared using a substrate, more preferably a flake which is a smooth substrate, and a hydrochloric acid solution diluted to a concentration of 1 to 10% by weight.
- the concentration of the hydrochloric acid solution is less than 1% by weight there may be no subsequent impurity removal effect, if the concentration exceeds 10% by weight the surface of the substrate is too etched and the subsequent coating layer forming process may not be performed normally have.
- the substrate when the solid content of the slurry is less than 10% by weight, the substrate may not be sufficient to reduce productivity, and when the solid content is more than 20% by weight, the coating layer formation time may be increased or the working efficiency may be reduced.
- the slurry preparation is completed, the slurry is then refluxed for 1 to 3 hours to remove all impurities on the surface of the substrate.
- a tin compound such as SnCl 2 .2H 2 O is added to the slurry, and then the slurry is refluxed for 1 to 3 hours to obtain 100 weight of the substrate on the surface of the substrate. 1 to 10 parts by weight of the tin compound pretreatment layer such as SnCl 2 is formed.
- the tin compound pretreatment layer is formed at a weight ratio of less than 1 part by weight relative to 100 parts by weight of the substrate, the tin compound pretreatment layer is too thin in thickness to insufficient function as the pretreatment layer.
- the tin compound pretreatment layer is formed at a weight ratio exceeding 10 parts by weight relative to 100 parts by weight of the substrate, there is a risk of cracking in the subsequent coating process due to the increase in thickness, and high gloss and high brightness characteristics may be degraded.
- the tin compound pretreatment layer may be insufficiently formed to less than 1 part by weight relative to 100 parts by weight of the substrate.
- the reflux time exceeds 3 hours, the tin compound pretreatment layer exceeds 10 parts by weight relative to 100 parts by weight of the substrate, and the thickness of the pretreatment layer becomes excessively thick.
- the slurry is dehydrated and then washed with pure water to complete the preparation of the pigment powder coated with the pretreatment layer.
- a silver coating layer is formed on the surface of the pigment powder.
- the silver coating is performed by adding a pretreated pigment powder to a mixture of the prepared solutions and refluxing.
- the silver coating method according to the present invention does not use a conventional plating method, the process can be simplified, and economical efficiency can be improved since it is not necessary to use an expensive compound treatment agent such as PdCl 2 .
- Pure silver, aqueous ammonia and sodium citrate are added to 10 to 70 parts by weight of silver nitrate relative to 100 parts by weight of the substrate to prepare a silver nitrate diluent.
- the control of the amount of silver nitrate depends on the particle size distribution of the substrate. If the particle size distribution of the substrate is large, the amount of silver nitrate can be reduced to 10 parts by weight relative to 100 parts by weight of the substrate, and if the particle size distribution of the substrate is small, the amount of silver nitrate can be increased to 70 parts by weight relative to 100 parts by weight of the substrate. have.
- ammonia water is preferably mixed so as to be 50 to 150 parts by weight based on 100 parts by weight of silver nitrate.
- the mixed amount of ammonia water When the mixed amount of ammonia water is less than 50 parts by weight relative to 100 parts by weight of nitric acid, some of the silver is oxidized, so that the color of the silver dilution liquid is not transparent and translucent or opaque. As a result, crystal growth may be reduced and adhesion may be weakened when the coating layer is formed.
- the mixed amount of the ammonia water exceeds 150 parts by weight of nitric acid is less than the ability to reduce to silver, the reaction efficiency is lowered, the operation is not easy due to the smell of ammonia water.
- sodium citrate is added to the dilute solution of ammoniacal silver nitrate in an amount corresponding to 15 to 100 parts by weight relative to 100 parts by weight of silver nitrate, and then refluxed.
- the addition amount of sodium citrate is less than 15 parts by weight relative to 100 parts by weight, the adhesion of the silver coating layer is reduced, the effect of forming a dense crystal is reduced.
- the addition amount of sodium citrate exceeds 100 parts by weight relative to 100 parts by weight of silver nitrate, it causes aggregation of silver-coated particles by increasing the concentration in the cation.
- the nitric acid is diluted to 100 to 200 parts by weight of glucose based on 100 parts by weight in pure water.
- the glucose diluent may have a glucose content of about 5-30 wt%, but is not necessarily limited thereto.
- the nitric acid is diluted to 100 ⁇ 200 parts by weight of potassium hydroxide (KOH) based on 100 parts by weight in pure water.
- KOH potassium hydroxide
- Potassium hydroxide diluent may be about 5 to 30 parts by weight of potassium hydroxide, but is not necessarily limited thereto.
- the amount of potassium hydroxide in the potassium hydroxide diluent is preferably 100 to 200 parts by weight based on 100 parts by weight of silver nitrate.
- the amount of potassium hydroxide is less than 100 parts by weight relative to 100 parts by weight of silver nitrate, the adhesion of the silver coating layer is poor, and the effect of forming dense crystals is reduced.
- the amount of potassium hydroxide exceeds 200 parts by weight with respect to 100 parts by weight of silver nitrate, a problem may occur due to aggregation of silver coated particles, thereby preventing uniform coating.
- the pretreated pigment powder is placed in a dilute solution of silver nitrate to prepare a suspension.
- the glucose diluent is added to the suspension, and the reflux process is performed immediately.
- the potassium hydroxide diluent is added to the suspension using a metering pump, but slowly added so that the feeding time is 30 minutes to 3 hours.
- the input time of the potassium hydroxide dilution is less than 30 minutes, the crystal growth for the subsequent silver coating may be lowered and the reflux process may not be performed normally.
- the input time of the potassium hydroxide diluent exceeds 3 hours, the silver is transformed from ammonia silver nitrate to silver oxide form, so that the coating process may not proceed properly, and the economical efficiency may be reduced due to the increase in manufacturing time.
- the final suspension is further refluxed for approximately 30 minutes to 3 hours.
- a citric acid solution corresponding to 50 to 200 parts by weight relative to 100 parts by weight of silver nitrate is added to the suspension having the additional reflux process as described above, and finally refluxed and electroless plating are performed for 50 to 70 minutes. 10 to 35 parts by weight relative to 100 parts by weight of the substrate to form a pigment is formed with a silver coating layer.
- the mixed amount of citric acid solution when the mixed amount of citric acid solution is less than 50 parts by weight relative to 100 parts by weight of nitric acid, or when the reflux time is less than 50 minutes, the effect of improving the dispersibility of partially aggregated particles in the solution may be reduced.
- the mixed amount of citric acid solution exceeds 200 parts by weight relative to 100 parts by weight of silver nitrate or the reflux time exceeds 70 minutes, there is a possibility that the coated silver is re-dissolved into the aqueous solution.
- the final suspension is dehydrated, washed with pure water, and dried between 30 and 100 ° C., thereby preparing a pigment powder in which a silver coating layer is finally formed.
- the drying temperature is less than 30 °C, the drying time may be too long, and the economic efficiency may be reduced.
- the drying temperature exceeds 100 °C, the specific surface area may be damaged and the aggregation between the silver coating particles may increase. Symptoms may occur.
- the pigment powder having a silver coating layer according to the present invention does not use an expensive compound such as PdCl 2 as a pretreatment material, and does not use an electroless plating method having low coating efficiency, thereby improving economic efficiency and high brightness silver coating. Pigments can be produced easily.
- the brightness of a pigment powder can be improved using the high brightness of the metal itself which silver (Ag) has.
- the antibacterial property of silver can be improved, and by using the coating method using a suspension, the specific surface area of silver can be increased, and the brightness improvement effect and the antimicrobial improvement effect by the specific surface area can be obtained. That is, it is possible to obtain a higher brightness than when coated with the conventional electroless plating method, it is possible to obtain a high gloss and high saturation characteristics. Looking at a specific embodiment thereof is as follows.
- Table 1 shows the colorimeter measurements based on 100 parts by weight of the substrate, parts by weight of the silver coating layer and parts by weight of sodium citrate used.
- As the substrate glass flakes were used, and 5 parts by weight of SnCl 2 pretreatment layer was formed based on 100 parts by weight of the substrate before forming the silver coating layer.
- the silver (Ag) coated pigment of the present invention described above provides excellent antibacterial property and electromagnetic shielding effect in addition to excellent gloss property.
- the experiment was commissioned by a FITI test researcher and an antimicrobial activity test using SHAKE FLASK METHOD, KS 4206: 2008 was performed.
- the electric wave shielding rate of the pigment powder according to the present invention are all represented by 10dB or more. Through this, it can be seen that the pigment powder according to the present invention has excellent electromagnetic shielding efficiency.
- the silver (Ag) coating pigment manufacturing method according to the present invention is a high-precision equipment such as sputtering or microwave irradiation apparatus in the state of excluding expensive metal compounds such as PdCl 2 as a pretreatment layer forming method By not using it, production cost savings and facility investment costs can be reduced.
- the silver (Ag) coating pigment manufacturing method according to the present invention can be integrated and simplified in one step of the reflux process, without using a conventional electroless plating process to reduce the process cost, and improve the production efficiency.
- the silver coating pigment according to the present invention can be utilized as a pigment of cosmetics such as lipstick, eye shadow, nail enamel and the like.
- Tables 5 to 7 illustrate lipsticks (Table 5), eyeshadows (Table 6) and nail enamels (Table 7), including pigments prepared according to Example 2 and MC2080PS (manufactured by Nippon sheet glass Co., Ltd.). The composition is shown.
- Table 5 shows the composition of lipstick 1 to which the pigment prepared according to Example 2 and lipstick 2 to which the pigment prepared according to MC2080PS is applied.
- Table 6 shows the compositions of the eyeshadow 1 to which the pigment prepared according to Example 2 and the eyeshadow 2 to which the pigment prepared according to MC2080PS is applied.
- Table 7 shows the composition of nail enamel 1 to which the pigment prepared according to Example 2 and nail enamel 2 to which the pigment prepared according to MC2080PS is applied.
- Example 2 when the pigment prepared in Example 2 is used as a cosmetic pigment, it can be seen that it exhibits coating properties, hiding power, transparency and excellent color. This means that, in the case of the silver coating pigment according to the present invention, color rendering by high gloss is possible while maintaining a function equal to or higher than that of a conventionally used cosmetic pigment.
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Abstract
Description
Claims (12)
- 유리 플레이크(Glass flake), 운모(mica), 티탄 코팅 유리 플레이크(titania coated glass flake), 티탄 코팅 운모(titania coated mica), 산화철 코팅 운모(iron oxide coated mica), 산화철 코팅 유리 플레이크(iron oxide coated glass flake), 판상 산화철, 판상 알루미나 및 판상 실리카 중 1종 이상의 재질로 형성되는 기질의 표면에 주석 화합물 전처리층을 형성하는 단계; 및상기 주석 화합물 전처리층 상부에 질산은 희석액, 암모니아수, 구연산용액 및 수산화칼륨 희석액을 이용한 환류 및 무전해 도금 공정으로 은 코팅층을 형성하는 단계;를 포함하는 것을 특징으로 하는 은(Ag) 코팅 안료 제조 방법.
- 제1항에 있어서,상기 주석 화합물 전처리층은 상기 기질 100 중량부에 대하여, 1 ~ 10 중량부의 중량비로 형성되고,상기 은 코팅층은 상기 기질 100 중량부에 대하여, 10 ~ 35 중량부의 중량비로 형성되는 것을 특징으로 하는 은(Ag) 코팅 안료 제조 방법.
- 제2항에 있어서,상기 은 코팅층은항균력검정 시험(Antimicrobial Activity)에서 99.9% 이상의 박테리아 제거율을 가지며,10dB 이상의 전자파 차폐율을 갖는 것을 특징으로 하는 은(Ag) 코팅 안료 제조 방법.
- (a) 기질을 염산용액에 혼합하여 슬러리를 제조하는 단계;(b) 상기 슬러리를 환류하여, 기질의 표면에 불순물을 제거하는 단계;(c) 상기 (b) 단계의 슬러리에 SnCl2·2H2O을 첨가하고, 환류하여 상기 기질의 표면에 SnCl2 전처리층이 형성되도록 하는 단계;(d) 상기 슬러리를 탈수 및 수세 공정으로 SnCl2 전처리층이 피복된 안료 분말 형성하는 단계;(e) 질산은, 순수, 암모니아수 및 구연산나트륨을 혼합하여 질산은 희석액을 형성하고, 상기 SnCl2 전처리층이 피복된 안료 분말을 혼합하여 현탁액을 형성하는 단계;(f) 상기 현탁액에 포도당 희석액을 혼합하고, 환류 공정을 수행하는 단계;(g) 상기 (f) 단계의 현탁액에 수산화칼륨(KOH) 희석액을 혼합하고, 추가 환류하는 단계;(h) 상기 (g) 단계의 현탁액에 구연산 용액을 투입하고, 최종적으로 환류 및 무전해 도금 공정을 수행하여, 상기 전처리층 상부에 은(Ag) 코팅층을 형성하는 단계; 및(i) 상기 (h) 단계의 현탁액을 탈수 및 수세를 한 뒤, 건조하는 단계;를 포함하는 것을 특징으로 하는 은(Ag) 코팅 안료 제조 방법.
- 제4항에 있어서,상기 (a) 단계에서,상기 염산용액은 1~10 중량% 염산을 포함하고,상기 슬러리는 10 ~ 20중량%의 고형분을 갖는 것을 특징으로 하는 은(Ag) 코팅 안료 제조 방법.
- 제4항에 있어서,상기 (b) 단계 및 상기 (c) 단계의 환류는각각 1 ~ 3시간 동안 수행하는 것을 특징으로 하는 은(Ag) 코팅 안료 제조 방법.
- 제4항에 있어서,상기 (e) 단계에서,싱기 질산은 희석액은 상기 기질 100 중량부 대비 10 ~ 70 중량부의 질산은을 포함하고,상기 암모니아수는 상기 질산은 100중량부 대비 50 ~ 150 중량부로 혼합되고,상기 구연산나트륨은 질산은 100 중량부 대비 15 ~ 100 중량부로 혼합되는 것을 특징으로 하는 은(Ag) 코팅 안료 제조 방법.
- 제4항에 있어서,상기 (f) 단계의 포도당 희석액은상기 질산은 100 중량부를 기준으로 100 ~ 200 중량부의 포도당을 포함하는 것을 특징으로 하는 은(Ag) 코팅 안료 제조 방법.
- 제4항에 있어서,상기 수산화칼륨(KOH) 희석액은 상기 질산은 100 중량부를 기준으로 100 ~ 200 중량부의 수산화칼륨을 포함하고,정량 펌프를 이용하여 상기 수산화칼륨(KOH) 희석액을 30분 ~ 3시간 동안 투입하는 것을 특징으로 하는 은(Ag) 코팅 안료 제조 방법.
- 제4항에 있어서,상기 (h) 단계에서,상기 질산은 100 중량부를 기준으로 50 ~ 200 중량부의 구연산 용액을 투입하는 것을 특징으로 하는 은(Ag) 코팅 안료 제조 방법.
- 제4항에 있어서,상기 (i) 단계에서,30 ~ 100℃에서 건조하는 것을 특징으로 하는 은(Ag) 코팅 안료 제조 방법.
- 제1항 내지 제11항 중 어느 하나의 방법으로 제조된 은 코팅 안료를 함유하는 립스틱, 아이쉐도우 또는 네일에나멜.
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JP2014508280A JP5944983B2 (ja) | 2011-04-28 | 2012-04-12 | 銀コーティング顔料及びその製造方法 |
US14/113,299 US8900660B2 (en) | 2011-04-28 | 2012-04-12 | Silver coating pigment, and method for producing same |
EP12776625.1A EP2703451B1 (en) | 2011-04-28 | 2012-04-12 | Silver coating pigment, and method for producing same |
CN201280020690.6A CN103502364B (zh) | 2011-04-28 | 2012-04-12 | 镀银颜料及其生产方法 |
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CN108864757A (zh) * | 2018-05-31 | 2018-11-23 | 深圳市绚图新材科技有限公司 | 一种导电银包珠光粉的制备方法 |
CN112159109A (zh) * | 2020-09-28 | 2021-01-01 | 西华大学 | 一种微波法合成的长余辉发光陶瓷釉及其制备方法 |
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Publication number | Publication date |
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CN103502364A (zh) | 2014-01-08 |
KR101218062B1 (ko) | 2013-01-03 |
EP2703451A2 (en) | 2014-03-05 |
EP2703451A4 (en) | 2014-10-01 |
US8900660B2 (en) | 2014-12-02 |
EP2703451B1 (en) | 2016-05-25 |
JP5944983B2 (ja) | 2016-07-05 |
JP2014515791A (ja) | 2014-07-03 |
WO2012148104A3 (ko) | 2013-01-17 |
US20140050769A1 (en) | 2014-02-20 |
KR20120122025A (ko) | 2012-11-07 |
CN103502364B (zh) | 2015-09-02 |
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