TETRABENZODIAZADIKETOPERYLENE COLOURANTS IN IR-REFLECTIVE COATINGS AND PLASTICS
A method for producing infra-red reflective substrates, including moulded polymeric articles, films, fibers and coatings and other organic and inorganic materials, by incorporating into the substrate or onto the surface of the substrate an effective amount of a tetrabenzodiazadiketoperylene colouran...
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| Format: | Patent |
| Sprache: | eng ; fre |
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| Zusammenfassung: | A method for producing infra-red reflective substrates, including moulded polymeric articles, films, fibers and coatings and other organic and inorganic materials, by incorporating into the substrate or onto the surface of the substrate an effective amount of a tetrabenzodiazadiketoperylene colourant (pigment or dye). The thus obtained, also claimed substrates so produced are transparent to much of the IR radiation not reflected and articles, such as multilayered polymeric articles, are produced which can also be subjected to laser welding.
L'invention concerne un procédé de production de substrats réfléchissants les rayonnements infrarouges, notamment des articles, films, fibres et revêtements polymères moulés et autres matériaux organiques et inorganiques, par incorporation au substrat ou à la surface du substrat d'une dose efficace d'une matière colorante de type tétrabenzodiazadiketopérylène (pigment ou colorant). L'invention concerne également des substrats obtenus selon ledit procédé, ces substrats laissant passer la plupart des rayonnements IR non réfléchis. L'invention concerne en outre des articles, de type articles polymères multicouches, pouvant être soumis à un soudage laser. |
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