JPH04358565A - Decorative coating method - Google Patents

Abstract

PURPOSE:To prevent peeling and abrasion of the vapor deposition layer of metal and also to keep metallic brightness stereoscopic effect and to show delicate hue. CONSTITUTION:A recessed part 3 is engraved on the surface 2 of a base material 1 and thereafter the whole body is coated with primer 4. Then the vapor deposition layer 6 of metal is formed only in the recessed part 3. The part except the recessed part 3 is coated with ordinary metallic base coat 8. Thereafter the upper part of both the vapor deposition layer 6 of metal and the ordinary metallic base coat 8 is coated with a second metallic base coat 9 low in the concn. of pigment. A clear coat 10 is applied thereto.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] The present invention relates to automobile resin marks,
This invention relates to a decorative coating method suitable for emblems, etc.

0002

[Prior Art and its Problems] As shown in FIG. 2, the conventional decorative painting method called the metal glitter method involves applying a primer 02, a metal vapor deposited layer 03, and a clear coat on the surface of a base material 01 made of ABS resin or the like. 04 are stacked in this order,
This coating had a problem in that the metallic luster disappeared due to peeling and abrasion.

0003

[Means for Solving the Problems] The present invention aims to provide a decorative coating method that prevents peeling and abrasion of the paint film, deepens the metallic shine, and exhibits a delicate hue. , the gist of this is that after forming approximately uniform and shallow recesses of arbitrary shape on the surface of a base material made of resin, a primer is applied to the surface and the recesses, respectively, and then a metal vapor deposition layer is applied only to the recesses. After that, a normal metallic base coat is applied on the primer other than the recessed parts, and then a second metallic base coat with a low pigment concentration is applied on the metal vapor deposited layer and the metallic base coat, respectively. This decorative coating method is characterized in that a clear coat is applied onto the metallic base coat of No. 2 until the recesses disappear.

0004

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically explained with reference to an embodiment shown in FIG. Surface 2 of base material 1 made of ABS resin etc.
A shallow concave portion 3 having a uniform depth and having an arbitrary shape such as a mark or a letter is engraved on the surface. Next, a primer 4 is applied to the entire surface 2 and recesses 3. After that, with the surface 2 other than the recess 3 covered with the masking 5, a sputtering method is applied.
A metal vapor deposition layer 6 having a thickness of about 500 to 800 Å is formed by a vapor deposition method or the like. See (b). Next, the masking 5 is removed, and with the metal vapor deposited layer 6 in the recess 3 covered with the masking 7, a normal metallic base coat 8 (pigment concentration of about 10%) is applied. See (b). Next, the masking 7 is removed, and a second metallic base coat 9 with a low pigment concentration of 2 to 3% is applied so as to cover the metal vapor deposited layer 6 and the metallic base coat 8 over the entire recess 3 and the surface 2. A clear coat 10 is applied on the top until the recess 3 disappears.

[0005]

[Effects of the Invention] In the present invention, a metal vapor deposition layer is formed in the recess, and this metal vapor deposition layer is covered with a second metallic base coat and a clear coat in this order, so that the metal vapor deposition layer does not peel off or wear out. At the same time, the metallic brilliance deepens and the three-dimensional effect improves. In addition, since both the metal vapor deposition layer and the normal metallic base coat are covered with the second metallic base coat and the clear coat, which have a low pigment concentration, the colors of the normal metallic base coat and the second metallic base coat combine to create a subtle metallic shine. A decorative coating exhibiting a hue is obtained.

[Brief explanation of the drawing]

FIG. 1 is a partially enlarged sectional view showing each step of the present invention.

FIG. 2 is a partially enlarged sectional view of a conventional decorative coating.

[Explanation of symbols]

1 Base material 3 Recess 4 Primer 6 Metal vapor deposition layer 8. Regular metallic base coat 9 Second metallic base coat 10 Clear coat

Claims (1)

[Claims] 1. After forming substantially uniform and shallow recesses of arbitrary shape on the surface of a base material made of resin, a primer is applied to the surface and the recesses respectively, and then a metal vapor deposition layer is formed only on the recesses, After that, a normal metallic base coat is applied on the primer other than the concave portions, and then a second metallic base coat with a low pigment concentration is applied on the metal vapor deposited layer and the metallic base coat, respectively. A decorative coating method characterized by applying a clear coat on a base coat until the recesses are eliminated.