WO2000053680A1 - Pigmentos a base de silice y oxido de hierro y procedimiento de fabricacion de los mismos - Google Patents
Pigmentos a base de silice y oxido de hierro y procedimiento de fabricacion de los mismos Download PDFInfo
- Publication number
- WO2000053680A1 WO2000053680A1 PCT/ES1999/000060 ES9900060W WO0053680A1 WO 2000053680 A1 WO2000053680 A1 WO 2000053680A1 ES 9900060 W ES9900060 W ES 9900060W WO 0053680 A1 WO0053680 A1 WO 0053680A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pigments
- silica
- iron oxide
- mixing
- pigment
- Prior art date
Links
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title claims abstract description 47
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 239000000049 pigment Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 229910021487 silica fume Inorganic materials 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 6
- 238000001354 calcination Methods 0.000 claims description 15
- 239000000975 dye Substances 0.000 claims description 12
- 239000000919 ceramic Substances 0.000 claims description 9
- 238000000227 grinding Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000005054 agglomeration Methods 0.000 claims description 4
- 230000002776 aggregation Effects 0.000 claims description 4
- 239000001034 iron oxide pigment Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 229910052572 stoneware Inorganic materials 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 238000005469 granulation Methods 0.000 claims description 2
- 230000003179 granulation Effects 0.000 claims description 2
- 238000003801 milling Methods 0.000 claims description 2
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 2
- 239000000779 smoke Substances 0.000 claims description 2
- 239000004568 cement Substances 0.000 claims 2
- 210000003298 dental enamel Anatomy 0.000 claims 2
- 239000011521 glass Substances 0.000 claims 2
- 239000000976 ink Substances 0.000 claims 2
- 239000004033 plastic Substances 0.000 claims 2
- 229920003023 plastic Polymers 0.000 claims 2
- 208000004434 Calcinosis Diseases 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 230000002308 calcification Effects 0.000 claims 1
- 238000005034 decoration Methods 0.000 claims 1
- 238000004806 packaging method and process Methods 0.000 claims 1
- 238000001694 spray drying Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 abstract description 2
- 239000003086 colorant Substances 0.000 abstract 1
- 229910052571 earthenware Inorganic materials 0.000 abstract 1
- 235000013980 iron oxide Nutrition 0.000 description 18
- 230000008569 process Effects 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 238000001035 drying Methods 0.000 description 6
- 239000000725 suspension Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000499 gel Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 229910000358 iron sulfate Inorganic materials 0.000 description 2
- 235000013759 synthetic iron oxide Nutrition 0.000 description 2
- 229930182559 Natural dye Natural products 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- 230000016571 aggressive behavior Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical group [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000978 natural dye Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000010951 particle size reduction Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
- C09C1/0009—Pigments for ceramics
-
- 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
- C09C1/0081—Composite particulate pigments or fillers, i.e. containing at least two solid phases, except those consisting of coated particles of one compound
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
-
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
-
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/62—L* (lightness axis)
-
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/63—Optical properties, e.g. expressed in CIELAB-values a* (red-green axis)
-
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/64—Optical properties, e.g. expressed in CIELAB-values b* (yellow-blue axis)
-
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/66—Hue (H*)
Definitions
- the present invention is attached to the technical sector of pigment manufacturing. Specifically, it is a question of obtaining silica and iron oxide pigments useful in various industries and particularly in the ceramic industry.
- the silica component of these pigments would be obtained from microsilica or silica fume, as the most characteristic feature of the invention.
- Natural pigments silica - iron have been known since ancient times for their chromophore properties. Used extensively in ceramics, for dye coloring, they provide a color in the range of ocher - brown - oranges - reddish, when introduced in considerable proportions, ranging from 2 to 12% by weight, suffer essentially from lack of homogeneity due to the oscillations in physical-chemical characteristics of the deposits.
- the objective of the present invention has been to obtain inorganic pigments of the silica-iron oxide system, X Fe 2 0 3 and S00 2 , using as a source of silica, microsilica or silica smoke, together with the process for the industrial production of the same.
- the pigments obtained develop a coloration, red - orange, especially when they are used in the manufacture of ceramic products of low porosity, porcelain stoneware, being a competitive alternative, in quality and cost, to natural materials, type Gres de Thiviers that They are currently being employed.
- the presentation of the product is carried out in the form of micronized powder, being susceptible to being able to incorporate the base composition by a direct dispersion mechanism, without the need for grinding.
- the dyes of the invention are consti ⁇ tuidos mainly of mixed silicon oxide (silica), in amounts ranging from 70 to 98% by weight, and iron oxide, in different proportions, based on a mixture of S00 2 and Fe 2 0.
- This invention uses as oxide source sili ⁇ t microsilica or silica fume, which is obtained mainly as a byproduct, by condensation of the gases released in the manufacturing process of silicon metal (electric arc melting), and alloys of silicon and other metals.
- This product is characterized by its high silica content (greater than 90% expressed as SiO) and its extraordinarily fine particle size (around 100 nm).
- iron oxide As a source of iron oxide can be used red iron oxides and / or yellow (natural and / or SINTE ⁇ ticos) it well or salts and / or iron complexes may oxy- occur and / or decompose during the calcination process by providing iron oxide.
- additives can be added to improve the characteristics of the dye and / or modify its coloration.
- the resulting dyes are pigments of red-orange coloration, which can be used to color all kinds of materials, preferably ceramic materials, and especially ceramic masses that provide low porosity ceramic materials, porcelain stoneware type.
- the silica provides a coating protective layer, particles of iron oxide, which protects them against external aggression, as the tempe rature ⁇ , atmosphere and / or attack by other compounds.
- This layer of protection is responsible for the iron oxide processed in this way to remain more stable during use in ceramic compositions that are subjected to high temperatures during their manufacturing process.
- silica-iron dyes are obtained by calcination, from the mixtures of raw materials, at high temperatures, forming a pigment with structure of t ⁇ dimite and / or cristobalite, in which iron oxide is incorporated with hematite structure.
- Tridymite or cristobalite are formed by calcining amorphous silica, obtaining a stable or other structure, depending on the cooking conditions and the additives and impurities present.
- the different raw material compositions can be prepared by dry or wet processes.
- the mixing of raw materials is carried out in a mill or in a mixer, and the resulting mixture can optionally be granulated to facilitate its handling (transport, dosage, ).
- a suspension in water of the raw materials is prepared by grinding or dispersion, the mixture being dried, in an atomization process, in which an agglomerated material is obtained, suitable for further processing.
- a previous calcination can be carried out, at a lower temperature, to properly prepare the raw materials for later reaction, proceeding at this stage to oxidize the organic matter and the iron oxide present and / or decompose, in the case that is necessary, the raw material source of iron oxide.
- the product after calcination is subjected to a step of particle size reduction to provide a more homogeneous coloration.
- Said operation is preferably carried out in a dry track milling facility, with dynamic classification, which ensures that more than 99% of the particles are below 40 micrometers.
- a suspension with 65.8 kg is prepared. of microsilica, 34.2 kg. of ferrous sulfate (FeS04.7H20) and 75.0 kg. of water in a flint ball mill, with a grinding time of 4 hours.
- the suspension is dried and a granulate is obtained which is precalcmated to decompose the sulfates and oxidize the iron oxide and subsequently calcined at 1100 ° C.
- FIG. 1 Block diagram of the manufacturing process used.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Nanotechnology (AREA)
- Organic Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ceramic Engineering (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Compounds Of Iron (AREA)
- Paints Or Removers (AREA)
- Silicon Compounds (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MXPA01009028A MXPA01009028A (es) | 1999-03-10 | 1999-03-10 | Pigmentos a base de silice y oxido de hierro y procedimiento de fabricacion de los mismos. |
PCT/ES1999/000060 WO2000053680A1 (es) | 1999-03-10 | 1999-03-10 | Pigmentos a base de silice y oxido de hierro y procedimiento de fabricacion de los mismos |
CN99816438.0A CN1208398C (zh) | 1999-03-10 | 1999-03-10 | 基于硅石和氧化铁的颜料及其生产方法 |
EP99906266A EP1182234A1 (en) | 1999-03-10 | 1999-03-10 | Silica and iron oxide based pigments and method for the production thereof |
CZ20013218A CZ20013218A3 (cs) | 1999-03-10 | 1999-03-10 | Pigmenty na bázi siliky a oxidu ľeleza a způsob jejich výroby |
BR9917203-8A BR9917203A (pt) | 1999-03-10 | 1999-03-10 | Pigmentos com base em sìlica e óxido de ferro eprocesso para sua produção |
AU26254/99A AU2625499A (en) | 1999-03-10 | 1999-03-10 | Silica and iron oxide based pigments and method for the production thereof |
PL99351815A PL351815A1 (en) | 1999-03-10 | 1999-03-10 | Silica and iron oxide based pigments and method for the production thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/ES1999/000060 WO2000053680A1 (es) | 1999-03-10 | 1999-03-10 | Pigmentos a base de silice y oxido de hierro y procedimiento de fabricacion de los mismos |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000053680A1 true WO2000053680A1 (es) | 2000-09-14 |
Family
ID=8306905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES1999/000060 WO2000053680A1 (es) | 1999-03-10 | 1999-03-10 | Pigmentos a base de silice y oxido de hierro y procedimiento de fabricacion de los mismos |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1182234A1 (es) |
CN (1) | CN1208398C (es) |
AU (1) | AU2625499A (es) |
BR (1) | BR9917203A (es) |
CZ (1) | CZ20013218A3 (es) |
MX (1) | MXPA01009028A (es) |
WO (1) | WO2000053680A1 (es) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2837206A1 (fr) | 2002-03-12 | 2003-09-19 | Rhodia Chimie Sa | Utilisation de silice precipitee dispersee pour l'obtention d'un colorant par melange avec un pigment inorganique, colorant ainsi obtenu et application a la coloration de materiaux ceramiques |
FR2837207A1 (fr) | 2002-03-12 | 2003-09-19 | Rhodia Chimie Sa | Utilisation de silice precipitee sous forme de billes sensiblement spheriques pour l'obtention d'un colorant, colorant ainsi obtenu et application a la coloration de materiaux ceramiques |
FR2856696A1 (fr) | 2003-06-30 | 2004-12-31 | Rhodia Chimie Sa | Utilisation de silico-aluminate precipite pour l'obtention d'un colorant par melange ou par impregnation avec un pigment inorganique, colorant ainsi obtenu et application a la coloration de materiaux ceramiques |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102573764A (zh) * | 2009-09-29 | 2012-07-11 | 东洋纺织株式会社 | 化妆品用颜料及其制造方法以及含有该化妆品用颜料的化妆品 |
ITMI20121163A1 (it) * | 2012-07-02 | 2014-01-03 | System Spa | Materiale ceramico per decorazione e processo per la sua preparazione |
CN103395794A (zh) * | 2013-07-29 | 2013-11-20 | 扬州大学 | 一种粒径均匀的单分散二氧化硅颗粒的制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4119712A (en) * | 1977-07-25 | 1978-10-10 | Revlon, Inc. | Makeup foundations |
US4221607A (en) * | 1979-03-23 | 1980-09-09 | Cities Service Company | Calcining effect of synthetic iron oxide |
US4405729A (en) * | 1982-06-17 | 1983-09-20 | E. I. Du Pont De Nemours And Company | Pigment grind with fumed silica |
US5342597A (en) * | 1990-11-14 | 1994-08-30 | Cabot Corporation | Process for uniformly moisturizing fumed silica |
-
1999
- 1999-03-10 CN CN99816438.0A patent/CN1208398C/zh not_active Expired - Lifetime
- 1999-03-10 AU AU26254/99A patent/AU2625499A/en not_active Abandoned
- 1999-03-10 EP EP99906266A patent/EP1182234A1/en not_active Withdrawn
- 1999-03-10 BR BR9917203-8A patent/BR9917203A/pt not_active Application Discontinuation
- 1999-03-10 WO PCT/ES1999/000060 patent/WO2000053680A1/es not_active Application Discontinuation
- 1999-03-10 CZ CZ20013218A patent/CZ20013218A3/cs unknown
- 1999-03-10 MX MXPA01009028A patent/MXPA01009028A/es not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4119712A (en) * | 1977-07-25 | 1978-10-10 | Revlon, Inc. | Makeup foundations |
US4221607A (en) * | 1979-03-23 | 1980-09-09 | Cities Service Company | Calcining effect of synthetic iron oxide |
US4405729A (en) * | 1982-06-17 | 1983-09-20 | E. I. Du Pont De Nemours And Company | Pigment grind with fumed silica |
US5342597A (en) * | 1990-11-14 | 1994-08-30 | Cabot Corporation | Process for uniformly moisturizing fumed silica |
Non-Patent Citations (1)
Title |
---|
BONDIOLI F. ET AL.: "Synthesis of Fe2O3/Silica red inorganic inclusion pigments for ceramic application", MATER. RES. BULL.,, vol. 33, no. 5, 1998, pages 723 - 729, XP000995870 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2837206A1 (fr) | 2002-03-12 | 2003-09-19 | Rhodia Chimie Sa | Utilisation de silice precipitee dispersee pour l'obtention d'un colorant par melange avec un pigment inorganique, colorant ainsi obtenu et application a la coloration de materiaux ceramiques |
FR2837207A1 (fr) | 2002-03-12 | 2003-09-19 | Rhodia Chimie Sa | Utilisation de silice precipitee sous forme de billes sensiblement spheriques pour l'obtention d'un colorant, colorant ainsi obtenu et application a la coloration de materiaux ceramiques |
FR2856696A1 (fr) | 2003-06-30 | 2004-12-31 | Rhodia Chimie Sa | Utilisation de silico-aluminate precipite pour l'obtention d'un colorant par melange ou par impregnation avec un pigment inorganique, colorant ainsi obtenu et application a la coloration de materiaux ceramiques |
Also Published As
Publication number | Publication date |
---|---|
CZ20013218A3 (cs) | 2002-01-16 |
EP1182234A1 (en) | 2002-02-27 |
CN1352670A (zh) | 2002-06-05 |
CN1208398C (zh) | 2005-06-29 |
BR9917203A (pt) | 2001-12-26 |
MXPA01009028A (es) | 2002-10-23 |
AU2625499A (en) | 2000-09-28 |
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