C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 7/12 (2006.01) B29C 73/16 (2006.01) C09D 5/03 (2006.01)
Patent
CA 2729439
The invention relates to a component (19) with a self-healing surface layer (20) or a self-healing enamel (21) or a coating powder. According to the invention, the self--healing is guaranteed through a reactive substance (15) that is encased inside of sheathed particles (12). Damage (21) to the enamel layer leads to the destruction of the sheathing (14), preferably under the influence of a catalytic material (16), so that the encased fluid enamel (15) can escape. Under the effect of UV light, the fluid enamel cures and closes the resultant crack (21).
L'invention concerne un composant (19) présentant une couche superficielle (20) autocicatrisante, un vernis autocicatrisant (21) ou une poudre de revêtement. Selon l'invention, l'autocicatrisation est assurée par une substance réactive (15) qui est incorporée dans des particules enrobées (12). Un endommagement (21) de la couche de vernis entraîne une destruction de l'enveloppe (14), de préférence sous l'action d'une matière catalytique (16), de sorte que le vernis liquide (15) incorporé dans les particules peut sortir. Sous l'action de la lumière ultraviolette, le vernis liquide durcit et comble la fissure (21) qui s'était formée.
Doye Christian
Hofacker Oliver
Jensen Jens Dahl
Krueger Ursus
Aktiengesellschaft Siemens
Smart & Biggar
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