Blue interference pigments
Mehrschichtige Interferenzpigmente mit blauer Körperfarbe, bestehend aus einem plättchenförmigen Trägermaterial und einer Beschichtung, die aus (i) einer ersten Schicht eines farblosen, transparenten Metalloxides mit hoher Brechzahl, (ii) einer zweiten Schicht eines farblosen, transparenten Metallox...
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| creator | BRUECKNER, HANS-DIETER VOGT, REINER |
| description | Mehrschichtige Interferenzpigmente mit blauer Körperfarbe, bestehend aus einem plättchenförmigen Trägermaterial und einer Beschichtung, die aus (i) einer ersten Schicht eines farblosen, transparenten Metalloxides mit hoher Brechzahl, (ii) einer zweiten Schicht eines farblosen, transparenten Metalloxides mit niedriger Brechzahl und (iii) einer dritten, äußeren Schicht aus Kobaltaluminat, kobalthaltigem Glas oder Kobaltoxid gebildet wird, wobei die erste und dritte Schicht auch untereinander austauschbar sind. Als Metalloxid mit hoher Brechzahl werden Titandioxid, Zirkondioxid oder Zinnoxid verwendet. Als Metalloxid mit niedriger Brechzahl werden Siliciumdioxid oder Aluminiumoxid eingesetzt.
Multilayer interference pigments with a blue body color comprise a flaky base material (BM) coated with: (1) colorless, transparent metal oxide with high refractive index (RI), (2) colorless, transparent metal oxide with a low RI, and (3) a layer of cobalt aluminate, cobalt glass or cobalt oxide, in the layer sequence (1,2,3,) (IP1) or vice versa (3,2,1) (IP2). Independent claims are also included for the following: (a) a process for the production of layer sequence IP1 by: (i) suspending BM in water and heating to 50-100 degrees C, adding a water-soluble metal compound at a pH suitable for hydrolysis so that a metal oxide hydrate with a high RI is precipitated on the particles of BM (keeping a constant pH by simultaneous addition of acid or base), (ii) adjusting to pH 4-10 with base and precipitating metal oxide hydrate with a low RI by adding a water-soluble metal compound (keeping a constant pH as above), (iii) washing the product, drying at 160-180 degrees C and calcinating at 500-1100 degrees C, (iv) suspending the product in water and coating it at a constant pH of 3-10 with cobalt and aluminum oxide hydrate by addition of suitable water-soluble compounds (plus acid or base) and (v) washing, drying and calcinating as in (iii). (b) A process for the production of IP2 which involves: (1) coating the BM suspension at pH of 3-10 with cobalt (Co) and aluminum oxide hydrate by addition of suitable water-soluble compounds (plus acid or base); (2) adjusting to pH 4-10 with base and precipitating metal oxide hydrate with a low RI by adding a water-soluble metal compound (keeping a constant pH as above), (3) suspending BM in water and heating to 50-100 degrees C, adding a water-soluble metal compound at a pH suitable for hydrolysis so that a metal oxide hydrate with a high R |
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Multilayer interference pigments with a blue body color comprise a flaky base material (BM) coated with: (1) colorless, transparent metal oxide with high refractive index (RI), (2) colorless, transparent metal oxide with a low RI, and (3) a layer of cobalt aluminate, cobalt glass or cobalt oxide, in the layer sequence (1,2,3,) (IP1) or vice versa (3,2,1) (IP2). Independent claims are also included for the following: (a) a process for the production of layer sequence IP1 by: (i) suspending BM in water and heating to 50-100 degrees C, adding a water-soluble metal compound at a pH suitable for hydrolysis so that a metal oxide hydrate with a high RI is precipitated on the particles of BM (keeping a constant pH by simultaneous addition of acid or base), (ii) adjusting to pH 4-10 with base and precipitating metal oxide hydrate with a low RI by adding a water-soluble metal compound (keeping a constant pH as above), (iii) washing the product, drying at 160-180 degrees C and calcinating at 500-1100 degrees C, (iv) suspending the product in water and coating it at a constant pH of 3-10 with cobalt and aluminum oxide hydrate by addition of suitable water-soluble compounds (plus acid or base) and (v) washing, drying and calcinating as in (iii). (b) A process for the production of IP2 which involves: (1) coating the BM suspension at pH of 3-10 with cobalt (Co) and aluminum oxide hydrate by addition of suitable water-soluble compounds (plus acid or base); (2) adjusting to pH 4-10 with base and precipitating metal oxide hydrate with a low RI by adding a water-soluble metal compound (keeping a constant pH as above), (3) suspending BM in water and heating to 50-100 degrees C, adding a water-soluble metal compound at a pH suitable for hydrolysis so that a metal oxide hydrate with a high RI is precipitated on the particles of BM (keeping a constant pH by simultaneous addition of acid or base), (4) washing, drying at 160 degrees C and calcinating at 500-2200 degrees C. (c) Paint, printing ink, plastics, cosmetics, ceramics and glass, pigmented with pigments (IP1, IP2), especially pigmented laser-markable plastics.</description><edition>6</edition><language>eng ; fre ; ger</language><subject>ADHESIVES ; CHEMICAL PAINT OR INK REMOVERS ; CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; COMPOSITIONS BASED THEREON ; CORRECTING FLUIDS ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; DYES ; FILLING PASTES ; HUMAN NECESSITIES ; HYGIENE ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; INKS ; MEDICAL OR VETERINARY SCIENCE ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; ORGANIC MACROMOLECULAR COMPOUNDS ; PAINTS ; PASTES OR SOLIDS FOR COLOURING OR PRINTING ; POLISHES ; PREPARATION OF CARBON BLACK ; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS ; USE OF MATERIALS THEREFOR ; WOODSTAINS</subject><creationdate>1999</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19990804&DB=EPODOC&CC=EP&NR=0933403A2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19990804&DB=EPODOC&CC=EP&NR=0933403A2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BRUECKNER, HANS-DIETER</creatorcontrib><creatorcontrib>VOGT, REINER</creatorcontrib><title>Blue interference pigments</title><description>Mehrschichtige Interferenzpigmente mit blauer Körperfarbe, bestehend aus einem plättchenförmigen Trägermaterial und einer Beschichtung, die aus (i) einer ersten Schicht eines farblosen, transparenten Metalloxides mit hoher Brechzahl, (ii) einer zweiten Schicht eines farblosen, transparenten Metalloxides mit niedriger Brechzahl und (iii) einer dritten, äußeren Schicht aus Kobaltaluminat, kobalthaltigem Glas oder Kobaltoxid gebildet wird, wobei die erste und dritte Schicht auch untereinander austauschbar sind. Als Metalloxid mit hoher Brechzahl werden Titandioxid, Zirkondioxid oder Zinnoxid verwendet. Als Metalloxid mit niedriger Brechzahl werden Siliciumdioxid oder Aluminiumoxid eingesetzt.
Multilayer interference pigments with a blue body color comprise a flaky base material (BM) coated with: (1) colorless, transparent metal oxide with high refractive index (RI), (2) colorless, transparent metal oxide with a low RI, and (3) a layer of cobalt aluminate, cobalt glass or cobalt oxide, in the layer sequence (1,2,3,) (IP1) or vice versa (3,2,1) (IP2). Independent claims are also included for the following: (a) a process for the production of layer sequence IP1 by: (i) suspending BM in water and heating to 50-100 degrees C, adding a water-soluble metal compound at a pH suitable for hydrolysis so that a metal oxide hydrate with a high RI is precipitated on the particles of BM (keeping a constant pH by simultaneous addition of acid or base), (ii) adjusting to pH 4-10 with base and precipitating metal oxide hydrate with a low RI by adding a water-soluble metal compound (keeping a constant pH as above), (iii) washing the product, drying at 160-180 degrees C and calcinating at 500-1100 degrees C, (iv) suspending the product in water and coating it at a constant pH of 3-10 with cobalt and aluminum oxide hydrate by addition of suitable water-soluble compounds (plus acid or base) and (v) washing, drying and calcinating as in (iii). (b) A process for the production of IP2 which involves: (1) coating the BM suspension at pH of 3-10 with cobalt (Co) and aluminum oxide hydrate by addition of suitable water-soluble compounds (plus acid or base); (2) adjusting to pH 4-10 with base and precipitating metal oxide hydrate with a low RI by adding a water-soluble metal compound (keeping a constant pH as above), (3) suspending BM in water and heating to 50-100 degrees C, adding a water-soluble metal compound at a pH suitable for hydrolysis so that a metal oxide hydrate with a high RI is precipitated on the particles of BM (keeping a constant pH by simultaneous addition of acid or base), (4) washing, drying at 160 degrees C and calcinating at 500-2200 degrees C. (c) Paint, printing ink, plastics, cosmetics, ceramics and glass, pigmented with pigments (IP1, IP2), especially pigmented laser-markable plastics.</description><subject>ADHESIVES</subject><subject>CHEMICAL PAINT OR INK REMOVERS</subject><subject>CHEMICAL SURFACE TREATMENT</subject><subject>CHEMISTRY</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS</subject><subject>COATING MATERIAL WITH METALLIC MATERIAL</subject><subject>COATING METALLIC MATERIAL</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>CORRECTING FLUIDS</subject><subject>DIFFUSION TREATMENT OF METALLIC MATERIAL</subject><subject>DYES</subject><subject>FILLING PASTES</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</subject><subject>INKS</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>NATURAL RESINS</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PAINTS</subject><subject>PASTES OR SOLIDS FOR COLOURING OR PRINTING</subject><subject>POLISHES</subject><subject>PREPARATION OF CARBON BLACK</subject><subject>PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES</subject><subject>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES</subject><subject>USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</subject><subject>USE OF MATERIALS THEREFOR</subject><subject>WOODSTAINS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1999</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJByyilNVcjMK0ktSkstSs1LTlUoyEzPTc0rKeZhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfGuAQaWxsYmBsaORsZEKAEAFIMiwA</recordid><startdate>19990804</startdate><enddate>19990804</enddate><creator>BRUECKNER, HANS-DIETER</creator><creator>VOGT, REINER</creator><scope>EVB</scope></search><sort><creationdate>19990804</creationdate><title>Blue interference pigments</title><author>BRUECKNER, HANS-DIETER ; VOGT, REINER</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0933403A23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>1999</creationdate><topic>ADHESIVES</topic><topic>CHEMICAL PAINT OR INK REMOVERS</topic><topic>CHEMICAL SURFACE TREATMENT</topic><topic>CHEMISTRY</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS</topic><topic>COATING MATERIAL WITH METALLIC MATERIAL</topic><topic>COATING METALLIC MATERIAL</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>CORRECTING FLUIDS</topic><topic>DIFFUSION TREATMENT OF METALLIC MATERIAL</topic><topic>DYES</topic><topic>FILLING PASTES</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</topic><topic>INKS</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>NATURAL RESINS</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PAINTS</topic><topic>PASTES OR SOLIDS FOR COLOURING OR PRINTING</topic><topic>POLISHES</topic><topic>PREPARATION OF CARBON BLACK</topic><topic>PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES</topic><topic>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES</topic><topic>USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</topic><topic>USE OF MATERIALS THEREFOR</topic><topic>WOODSTAINS</topic><toplevel>online_resources</toplevel><creatorcontrib>BRUECKNER, HANS-DIETER</creatorcontrib><creatorcontrib>VOGT, REINER</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BRUECKNER, HANS-DIETER</au><au>VOGT, REINER</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Blue interference pigments</title><date>1999-08-04</date><risdate>1999</risdate><abstract>Mehrschichtige Interferenzpigmente mit blauer Körperfarbe, bestehend aus einem plättchenförmigen Trägermaterial und einer Beschichtung, die aus (i) einer ersten Schicht eines farblosen, transparenten Metalloxides mit hoher Brechzahl, (ii) einer zweiten Schicht eines farblosen, transparenten Metalloxides mit niedriger Brechzahl und (iii) einer dritten, äußeren Schicht aus Kobaltaluminat, kobalthaltigem Glas oder Kobaltoxid gebildet wird, wobei die erste und dritte Schicht auch untereinander austauschbar sind. Als Metalloxid mit hoher Brechzahl werden Titandioxid, Zirkondioxid oder Zinnoxid verwendet. Als Metalloxid mit niedriger Brechzahl werden Siliciumdioxid oder Aluminiumoxid eingesetzt.
Multilayer interference pigments with a blue body color comprise a flaky base material (BM) coated with: (1) colorless, transparent metal oxide with high refractive index (RI), (2) colorless, transparent metal oxide with a low RI, and (3) a layer of cobalt aluminate, cobalt glass or cobalt oxide, in the layer sequence (1,2,3,) (IP1) or vice versa (3,2,1) (IP2). Independent claims are also included for the following: (a) a process for the production of layer sequence IP1 by: (i) suspending BM in water and heating to 50-100 degrees C, adding a water-soluble metal compound at a pH suitable for hydrolysis so that a metal oxide hydrate with a high RI is precipitated on the particles of BM (keeping a constant pH by simultaneous addition of acid or base), (ii) adjusting to pH 4-10 with base and precipitating metal oxide hydrate with a low RI by adding a water-soluble metal compound (keeping a constant pH as above), (iii) washing the product, drying at 160-180 degrees C and calcinating at 500-1100 degrees C, (iv) suspending the product in water and coating it at a constant pH of 3-10 with cobalt and aluminum oxide hydrate by addition of suitable water-soluble compounds (plus acid or base) and (v) washing, drying and calcinating as in (iii). (b) A process for the production of IP2 which involves: (1) coating the BM suspension at pH of 3-10 with cobalt (Co) and aluminum oxide hydrate by addition of suitable water-soluble compounds (plus acid or base); (2) adjusting to pH 4-10 with base and precipitating metal oxide hydrate with a low RI by adding a water-soluble metal compound (keeping a constant pH as above), (3) suspending BM in water and heating to 50-100 degrees C, adding a water-soluble metal compound at a pH suitable for hydrolysis so that a metal oxide hydrate with a high RI is precipitated on the particles of BM (keeping a constant pH by simultaneous addition of acid or base), (4) washing, drying at 160 degrees C and calcinating at 500-2200 degrees C. (c) Paint, printing ink, plastics, cosmetics, ceramics and glass, pigmented with pigments (IP1, IP2), especially pigmented laser-markable plastics.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COMPOSITIONS BASED THEREON CORRECTING FLUIDS DIFFUSION TREATMENT OF METALLIC MATERIAL DYES FILLING PASTES HUMAN NECESSITIES HYGIENE INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL INKS MEDICAL OR VETERINARY SCIENCE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PREPARATION OF CARBON BLACK PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS THEREFOR WOODSTAINS |
| title | Blue interference pigments |
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