CN1051503C

CN1051503C - Stainless steel plate having colored and topographical surface and fabricating method thereof

Info

Publication number: CN1051503C
Application number: CN 95119148
Authority: CN
Inventors: 金宰贤; 李相珍
Original assignee: Three Space Special Steel Corp; LG Industrial Systems Co Ltd
Current assignee: Three Space Special Steel Corp; Otis Elevator Korea Co Ltd
Priority date: 1994-10-25
Filing date: 1995-10-25
Publication date: 2000-04-19
Anticipated expiration: 2015-10-25
Also published as: JP2771486B2; JPH08302482A; GB9521881D0; GB2294783B; CN1131620A; GB2294783A; KR0125475B1; GB2294783A8

Abstract

Disclosed a method of making stainless steel plate having designs thereon produced by: inco coloring the overall surface of a mirror stainless steel plate, or exposing a portion to be inco-colored and masking the remaining portion to expose only an unmasked portion; photomechanically producing two silk screens having a portion where the photoresist is removed and a hardened portion; applying one of the screens to the coloured plate and electrolytically stripping the steel plate in the unmasked areas to form a stripped portion and then applying the second screen; and engraving a hair line on the unmasked portion and removing the screen.

Description

Have painted and corrosion resistant plate and manufacture method thereof topographical surface

The present invention relates to have the corrosion resistant plate and the manufacture method thereof of topographical surface, particularly relate to and form the chrominance section because of section (inco) harmoniously, released part and hair part show the corrosion resistant plate and the manufacture method thereof of wounded look terrain effect thus.

At present, by means of on the stainless sheet steel surface of decorating design as elevator, showing various patterns and shape as drawing, silk screen printing and etching technique.Here, etching is the most extensive employing.

Order by Fig. 1 a to 1d is carried out etching, at first.Black shown in Fig. 1 a and changing patterns thin slice are put on the silk screen 1 that has applied negative photoresist shown in Fig. 1 b all the time with framework 2, and make tightly attached mutually by exerting pressure.On the structure that obtains, expose, and remove the pattern thin slice.Then, washing silk screen 1, make have since lack accept the dissolved part 3 that does not have a photoresist layer of light with the part 4 that has by the photoresist of accepting photo-hardening.

To be put on the stainless sheet steel by the silk screen of above-mentioned preparation, and with the ink coats of acryloyl group urethane ester group resin to whole surface.After removing silk screen, on corrosion resistant plate, obtain the zone 6 that zone 5 of being covered by printing ink shown in Fig. 1 c and printing ink of no use cover.

Then, the structure that obtains is dipped into the zone 6 that does not contain printing ink in the iron chloride with etching, carries out drying, delamination, washing, neutralization etc. then.Thus, on corrosion resistant plate, form the etching part 7 of the mat surface shown in Fig. 1 d with gloss minute surface.

But,, when making it to have the one dimension degree of depth, be not enough to represent the effect of bump surface when adopting chemical attack.

Simultaneously, corrosion resistant plate surface colour technology is disclosed in clear 52-32621 of Japanese patent laid-open publication gazette and the flat 2-107798 of Japanese publication communique.According to these documents, when at MCrO ₃And H ₂SO ₄Dipping and during the electrolysis corrosion resistant plate in the aqueous solution, its color is by brown, blueness, yellow, purple and green order variation.This just allows to obtain needed color (being called the inco look).Use this inco look technology, obtain shades of colour in the different piece of the similar face of crested.

But the corrosion resistant plate that is obtained by above-mentioned technology forms by simple level (because etching) or because inco look technology is mixed the optics photis effect that shortage 3-D effect and angle are looked with shades of colour.

So, be different from the routine techniques that obtains the simple terrain effect of level or color simple arrangement by etching, the purpose of this invention is to provide corrosion resistant plate and manufacture method thereof with terrain effect, inco color part, released part and hair are cooperated harmoniously, demonstrate three-dimensional optical photis effect thus.

Finish purpose of the present invention, providing a kind of has painted and corrosion resistant plate topographical surface, wherein, on the glossy surface of mirror face stainless steel plate, form inco look face, carry out lift-off processing on the described corrosion resistant plate surface described inco look face except that part, on inco look tone, form the semi-glossy face, and on the described semi-glossy face of part, handle the face that formation has hair by hair.

For realizing purpose of the present invention, provide a kind of manufacturing to have the method for the corrosion resistant plate of painted and topographical surface, comprise step: (a) on the whole surface of mirror face stainless steel plate, carry out the inco look and handle, perhaps expose the part that pending inco look handles and cover after the remainder; Only uncovered expose portion being carried out the inco look handles; (b) a plurality of original film with picture pattern are put into photoresist on the silk screen that applies, after exposing respectively and wash, obtain to have a plurality of silk screens of the part that dissolved part of photoresist and quilt hardened; (c) can cover on a silk screen described corrosion resistant plate except that part inco look face, that obtain in described step (b) is put into the described corrosion resistant plate that obtains in described step (a) the inco color table face and cover, formation is covered face and is not covered face; (d) will in electrolyte, carry out lift-off processing through the steel plate of step (c), described do not cover on the face form release surface after, remove the described face that covers; (e) can cover above being put into the steel plate that passes through step (d) and cover, and form and cover face and do not cover face through another silk screen steel plate of the part release surface of step (d), that in step (b), prepare; (f) do not cover on the face through described step (e) described form hair after, remove the described face that covers.

Fig. 1 a is to representing common engraving method to 1d, wherein

Fig. 1 a represents the black and white thin slice of pattern;

Fig. 1 b represent to expose and wash after the silk screen state;

Fig. 1 c be illustrated in photoresist shelter on the corrosion resistant plate state;

Fig. 1 d represents to remove the state that covers the photoresist place after the etching;

Fig. 2 a-2g represents manufacture method of the present invention, wherein

Fig. 2 a represents the state of pattern thin slice;

Fig. 2 b represents to expose and washs the state of silk screen afterwards;

Fig. 2 c is illustrated in the state that applies the inco look on the corrosion resistant plate minute surface;

Fig. 2 d represents to finish the state that covers and peel off behind the third step on steel plate;

Fig. 2 e represents the state of steel plate crested after the 4th step; With

Fig. 2 f represents final products.

Be described in detail the preferred embodiments of the invention with reference to the accompanying drawings.

One embodiment of the invention are to make corrosion resistant plate, wherein form inco color part 9 on the surface of corrosion resistant plate minute surface, form released part 11 and form hair 14 on the steel plate except that part inco color part on part inco color part.If desired, on hair 14, can form Gold plated Layer.Gold plated Layer is faded with allotment purple or green.According to picture pattern, on the part 11 that hair 14 is covered peel off.

In this embodiment scheme, although show a kind of picture pattern, the present invention is not limited, and the present invention can select various patterns as the case may be.

With reference to Fig. 2 a, pattern thin slice A and two of B are put into whole surface all evenly apply on the silk screen (it is bearing on the framework tightly) of photoresist.Then, make the exposure of pattern thin slice, then remove.When the washing silk screen, obtain silk screen A ' and B ' shown in Fig. 2 b respectively with no photoresist part 3 and sclerosis part 5.The silk screen A '-B ' that makes like this is used to cover corrosion resistant plate.

At first, shown in Fig. 2 c, handle the corrosion resistant plate minute surface to obtain inco color part 9 by common electrical solution inco look.Under 80-90 ℃, at 250-300g/l CrO ₃With 500-600g/l H ₂SO ₄Electrolyte in carry out the inco look and handle a few minutes to dozens of minutes.Because the visual signature of scattering of light inco color part 9 has caused the optics photis.When electrolysis, the inco color part changes by brown, blueness, yellow and green order, causes the optics photis of needs.

On the inco color part of Fig. 2 C that obtains like this, put silk screen A ', and covered with acid-proof ink.Then,, and remove silk screen A ', so that form as the A of Fig. 2 d with the exposure structure that obtains " shown in the inco color part 9 of exposure and the shaded portions 10 of covering inco color part.

When the inco look is handled, need the inco color part with Fig. 2 b exposure and cover the silk screen on silk screen A ' opposite of remainder such as the body structure surface of Fig. 2 whole gained that c is shown in does not carry out the processing of inco look, can be used as cover and only the inco look handle not shaded portions.In this case, when removing acid-proof ink, carry out the A " step of Fig. 2 d.

When in electrolyte, peeling off steel plate A " time, part inco look is lost into the semi-glossy part.This cooperates inner inco color part 6 well, makes released part 11 have the optics photis.

Here, electrolyte comprises 10-40% sulfuric acid, 5-25% nitric acid and water.Anode is Pb, and negative electrode is steel plate A ".In electrolyte, carry out electrolysis a few minutes to dozens of minutes.

After the electrolysis, when removing acid-proof ink, form inco color part 9 and released part 11 shown in the A of Fig. 2 d.

Then, the silk screen B ' of Fig. 2 b is placed on the A , and covers with acidproof China ink.In this case, when removing silk screen B ' time, form shaded portions 12 and shaded portions 13 not shown in Fig. 2 e.Not on the shaded portions 13, form known hair at this with the hair machine.As the case may be, on hair, can form Gold plated Layer.

After this step, when removing the acid-proof ink that covers, obtain inco color part 9, a final product, it has the semi-glossy photis released part 11 that forms by erosion part inco look, and demonstration has the optics photis of inner inco look and other hair that forms on released part, if desired, on hair, comprise Gold plated Layer 15.

As mentioned above, that the corrosion resistant plate that comprehensive process of the present invention is handled has is painted by inco, peel off, do hair and gold-plated, so that form the semi-glossy part that has dazzling color, the hair that forms, and Gold plated Layer between gloss part and semi-glossy part.Here present optics photis with 3-D effect.

Claims

1, a kind of corrosion resistant plate with painted and topographical surface, it is characterized in that, on the glossy surface of mirror face stainless steel plate, form inco look face, carry out lift-off processing on the described corrosion resistant plate surface described inco look face except that part, on inco look tone, form the semi-glossy face, and on the described semi-glossy face of part, handle the face that formation has hair by hair.

2, the corrosion resistant plate with painted and topographical surface as claimed in claim 1 is characterized in that, has Gold plated Layer on described hair.

3, the corrosion resistant plate with painted and topographical surface as claimed in claim 1 or 2 is characterized in that, it has purple or green described Gold plated Layer in the allotment.

4, a kind of manufacturing has the method for the corrosion resistant plate of painted and topographical surface, it is characterized in that it may further comprise the steps:

(a) on the whole surface of mirror face stainless steel plate, carry out the inco look and handle, or after exposing the part of pending inco look processing and covering remainder; Only uncovered expose portion being carried out the inco look handles;

(b) a plurality of original film with picture pattern are put into photoresist on the silk screen that applies, after exposing respectively and wash, obtain to have a plurality of silk screens of the part that dissolved part of photoresist and quilt hardened;

(c) can cover on a silk screen described corrosion resistant plate except that part inco look face, that obtain in described step (b) is put into the described corrosion resistant plate that obtains in described step (a) the inco color table face and cover, formation is covered face and is not covered face;

(d) will in electrolyte, carry out lift-off processing through the steel plate of step (c), described do not cover on the face form release surface after, remove the described face that covers;

(e) can cover above being put into the steel plate that passes through step (d) and cover, and form and cover face and do not cover face through another silk screen steel plate of the part release surface of step (d), that in step (b), prepare; With

(f) do not cover on the face through described step (e) described form hair after, remove the face of covering of stating of leading.

5, manufacturing as claimed in claim 4 has the method for the corrosion resistant plate of painted and topographical surface, it is characterized in that, described hair is gold-plated.

6, manufacturing as claimed in claim 4 has the method for the corrosion resistant plate of painted and topographical surface, it is characterized in that, the described Gold plated Layer of electrolysis is to allocate purple or green.