Metal Laminate and Method for Manufacturing The Same
The present invention relates to a metal laminate, and a manufacturing method thereof. A risk of discoloration due to high temperature treatment does not exist, and even after high temperature treatment, the uppermost metal layer (i.e., reflective layer) has an excellent reflectance and is not easil...
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Format: | Patent |
Sprache: | eng ; kor |
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Zusammenfassung: | The present invention relates to a metal laminate, and a manufacturing method thereof. A risk of discoloration due to high temperature treatment does not exist, and even after high temperature treatment, the uppermost metal layer (i.e., reflective layer) has an excellent reflectance and is not easily peeled off from remaining layer (s). The metal laminate of the present invention comprises: a substrate; an intermediate layer on the substrate; and a reflective layer on the intermediate layer. The reflective layer includes silver (Ag), and reflectance of the reflective layer measured after the metal laminate is thermally treated at 250 °C for 30 minutes is equal to or more than 90 %.
고온 처리로 인한 변색의 위험이 없을 뿐만 아니라 고온 처리 후에도 최상 금속층(uppermost metal layer)(즉, 반사층)이 우수한 반사율을 가지면서 나머지 층(들)로부터 쉽게 박리되지 않는 금속 적층체 및 그 제조방법이 개시된다. 본 발명의 금속 적층체는 기판, 상기 기판 상의 중간층, 및 상기 중간층 상의 반사층을 포함하되, 상기 반사층은 은(Ag)을 포함하고, 상기 금속 적층체를 250 ℃에서 30분 동안 열처리한 후 측정된 상기 반사층의 반사율이 90% 이상이다. |
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