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SI3034564T1 - Efektni pigmenti z visoko transparentnostjo, visoko kromatičnostjo in visokim sijajem, postopek za njihovo izdelavo in njihova uporaba - Google Patents

Efektni pigmenti z visoko transparentnostjo, visoko kromatičnostjo in visokim sijajem, postopek za njihovo izdelavo in njihova uporaba Download PDF

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Publication number
SI3034564T1
SI3034564T1 SI201430690T SI201430690T SI3034564T1 SI 3034564 T1 SI3034564 T1 SI 3034564T1 SI 201430690 T SI201430690 T SI 201430690T SI 201430690 T SI201430690 T SI 201430690T SI 3034564 T1 SI3034564 T1 SI 3034564T1
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Slovenia
Prior art keywords
layer
metal
metal oxide
effective pigment
transparent
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SI201430690T
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English (en)
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Michael Gruner
Gunter Kaupp
Ralph Schneider
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Eckart Gmbh
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Application filed by Eckart Gmbh filed Critical Eckart Gmbh
Publication of SI3034564T1 publication Critical patent/SI3034564T1/sl

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    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/0015—Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings
    • C09C1/0024—Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings comprising a stack of coating layers with alternating high and low refractive indices, wherein the first coating layer on the core surface has the high refractive index
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    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61K8/00—Cosmetics or similar toiletry preparations
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    • A61K8/0241—Containing particulates characterized by their shape and/or structure
    • A61K8/0254—Platelets; Flakes
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    • A61Q1/02—Preparations containing skin colorants, e.g. pigments
    • A61Q1/10—Preparations containing skin colorants, e.g. pigments for eyes, e.g. eyeliner, mascara
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • C09C1/0015—Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
    • A61K2800/26—Optical properties
    • A61K2800/262—Transparent; Translucent
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    • C09C2200/10—Interference pigments characterized by the core material
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    • C09C2200/1033—Interference pigments characterized by the core material the core consisting of glass or silicate material like mica or clays, e.g. kaolin comprising an intermediate layer between the core and a stack of coating layers having alternating refractive indices
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    • C09C2200/10—Interference pigments characterized by the core material
    • C09C2200/1087—Interference pigments characterized by the core material the core consisting of bismuth oxychloride, magnesium fluoride, nitrides, carbides, borides, lead carbonate, barium or calcium sulfate, zinc sulphide, molybdenum disulphide or graphite
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Claims (15)

  1. Efektni pigmenti z visoko transparentnostjo, visoko kromatičnostjo in visokim sijajem, postopek za njihovo izdelavo in njihova uporaba Patentni zahtevki
    1. Transparentni efektni pigment, ki obsega nekovinski substrat v obliki ploščic in na substrat naneseno oblogo, kjer ima obloga a) po izbiri plast 1 s srednjo debelino plasti manjšo od 10 nm, ki obsega ali kositrov oksid, kositrov hidroksid in/ali kositrov oksid hidrat ali sestoji iz le-teh, b) plast 2 z visokim lomnim količnikom, ki ima lomni količnik n > 1,8 in srednjo debelino plasti v območju od 30 nm do 300 nm, ki obsega vsaj en kovinski oksid, kovinski hidroksid in/ali kovinski oksid hidrat, c) plast 3 z visokim lomnim količnikom, ki ima lomni količnik n > 1,8 in srednjo debelino plasti v območju od 30 nm do 300 nm, ki obsega vsaj en kovinski oksid, kovinski hidroksid in/ali kovinski oksid hidrat, in kjer vsaj ena od plasti 2 ali 3 vsebuje vsaj dva različna kovinska iona in sta plasti 2 in 3 prekinjeni z razmično plastjo.
  2. 2. Transparentni efektni pigment po zahtevku 1, kjer je nekovinski substrat v obliki ploščic izbran iz skupine, ki jo sestavljajo naravne sljudne ploščice, sintetične sljudne ploščice, steklene ploščice, S1O2 ploščice, AI2O3 ploščice, kaolinske ploščice, ploščice smukca, ploščice bizmutovega oksiklorida in njihove zmesi, in je nekovinski substrat v obliki ploščic po izbiri obložen z vsaj enim kovinskim oksidom, kovinskim hidroksidom in/ali kovinskim oksidom hidratom in kalciniran.
  3. 3. Transparentni efektni pigment po enem od predhodnih zahtevkov, kjer sta vsaj dva različna kovinska iona plasti 2 in/ali plasti 3 izbrana iz skupine kovin, ki jo sestavljajo Ti, Fe, Sn, Mn, Zr, Ca, Sr, Ba, Ni, Sb, Ag, Zn, Cu, Ce, Cr in Co.
  4. 4. Transparentni efektni pigment po enem od predhodnih zahtevkov, kjer sta vsaj dva različna kovinska iona plasti 2 in/ali plasti 3 izbrana iz skupine kovin, ki jo sestavljajo Ti, Fe, Sn in Zr.
  5. 5. Transparentni efektni pigment po enem od predhodnih zahtevkov, kjer je v efektnem pigmentu delež ne-barvalnih kovinskih ionov, izbranih iz skupine kovin, ki jo sestavljajo Ti, Sn, Zr, Ca, Sr, Ba, in Zn, celokupno >13 mas. % in je delež barvalnih kovinskih ionov, izbranih iz skupine kovin, ki jo sestavljajo Fe, Ti, Sn, Mn, Ni, Sb, Ag, Cu, Ce, Cr in Co, celokupno < 4 mas. %, vsakokrat določeno s pomočjo RF A, vsakokrat preračunano kot elementarna kovina in vsakokrat glede na celokupno maso transparentnega efektnega pigmenta v smislu izuma.
  6. 6. Transparentni efektni pigment po enem od predhodnih zahtevkov, kjer je vsaj ena razmična plast nameščena v bistvu vzporedno s površino nekovinskega substrata v obliki ploščic.
  7. 7. Transparentni efektni pigment po enem od predhodnih zahtevkov, kjer ima razmična plast vezi in votlinice.
  8. 8. Transparentni efektni pigment po enem od predhodnih zahtevkov, kjer ima razmična plast vsakokrat srednjo višino ha v območju od 5 nm do 120 nm.
  9. 9. Transparentni efektni pigment po enem od predhodnih zahtevkov, kjer efektni pigment nadalje obsega plasti z visokim in nizkim lomnim količnikom, kot tudi po izbiri vsaj eno nadaljnjo razmično plast.
  10. 10. Postopek za izdelavo transparentnega efektnega pigmenta po enem od zahtevkov od 1 do 8, kjer postopek sestoji iz naslednjih korakov: (i) po izbiri nanašanje nekalcinirane plasti, ki obsega kositrov oksid, kositrov hidroksid in/ali kositrov oksid hidrat ali sestoji iz le-teh, na nekovinski substrat v obliki ploščic, (ii) zaporedno nanašanje treh nekalciniranih plasti A, B in C, ki so iz ali imajo vsakokrat vsaj en kovinski oksid, kovinski hidroksid in/ali kovinski oksid hidrat, pri čemer so plasti A, B in C razmeščene neposredno druga na drugi, in pri čemer je v plasti B nanesen vsaj en kovinski oksid, kovinski hidroksid in/ali kovinski oksid hidrat, ki je, glede na kovinski ion, drugačen od tistega/tistih kovinskega/ih iona/ov kovinskih oksidov, kovinskih hidroksidov in/ali kovinskih oksidov hidratov plasti A in/ali plasti C, (iii) kalciniranje v stopnji (ii) dobljenega produkta pri temperaturi v območju od 600 °C do 1000 °C, pri čemer dobimo transparentni efektni pigment, ki obsega vsaj eno razmično plast.
  11. 11. Postopek za izdelavo transparentnega efektnega pigmenta po enem od zahtevkov od 1 do 8, kjer postopek sestoji iz naslednjih korakov: (i) zaporedno nanašanje dveh nekalciniranih plasti B in C, ki sta iz ali imata vsaj en kovinski oksid, kovinski hidroksid in/ali kovinski oksid hidrat, na kalciniran enkrat ali večkrat obložen nekovinski substrat, pri čemer sta plasti B in C razmeščeni neposredno druga na drugi in pri čemer je v plasti B nanesen vsaj en kovinski oksid, kovinski hidroksid in/ali kovinski oksid hidrat, ki je, glede na kovinski ion, drugačen od tistega/tistih kovinskega/ih iona/ov kovinskega oksida, kovinskega hidroksida in/ali kovinskega oksida hidrata plasti C in/ali plasti, ki v smeri substrata neposredno meji na plast B, (ii) kalciniranje v stopnji (i) dobljenega produkta pri temperaturi v območju od 600 °C do 1000 °C, pri čemer dobimo transparentni efektni pigment, ki obsega vsaj eno razmično plast.
  12. 12. Postopek po enem od zahtevkov 10 ali 11, kjer v plasti B vsebovani kovinski ioni vsaj delno difundirajo v plast A in/ali plast C ob tvorbi vsaj ene razmične plasti v kalciniranem efektnem pigmentu.
  13. 13. Postopek po enem od zahtevkov od 10 do 12, kjer dva ali trije zaporedno naneseni kovinski oksidi, kovinski hidroksidi in/ali kovinski oksidi hidrati za tvorbo plasti B in C ali plasti A, B in C niso ali ne obsegajo nobenega kovinskega iona, izbranega iz skupine kovin, ki jo sestavljajo Si, Mg in Al.
  14. 14. Uporaba transparentnih efektnih pigmentov po enem od zahtevkov od 1 do 9 v kozmetičnih formulacijah, umetnih snoveh, folijah, tekstilijah, keramičnih materialih, steklih, barvah, tiskarskih barvah, črnilih, lakih in/ali prahastih lakih.
  15. 15. Predmet, ki obsega vsaj en transparentni efektni pigment po enem od zahtevkov od 1 do 9.
SI201430690T 2014-12-19 2014-12-19 Efektni pigmenti z visoko transparentnostjo, visoko kromatičnostjo in visokim sijajem, postopek za njihovo izdelavo in njihova uporaba SI3034564T1 (sl)

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