CN101570077A - Corrosion-resistant hardware and preparation method thereof - Google Patents
Corrosion-resistant hardware and preparation method thereof Download PDFInfo
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- CN101570077A CN101570077A CNA2009100276434A CN200910027643A CN101570077A CN 101570077 A CN101570077 A CN 101570077A CN A2009100276434 A CNA2009100276434 A CN A2009100276434A CN 200910027643 A CN200910027643 A CN 200910027643A CN 101570077 A CN101570077 A CN 101570077A
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- hardware
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- varnish
- handware
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Abstract
The invention discloses a corrosion-resistant hardware and a preparation method thereof. The corrosion-resistant hardware comprises a surface coat of the hardware, and is characterized in that the surface of the coat is coated with a varnish protecting coat. The preparation method for the corrosion-resistant hardware comprises the following steps: coating paint on the surface of the hardware by a conventional method, cooling the hardware to room temperature, and then coating varnish on the surface of the paint layer; and next, putting the hardware coated with the varnish into an oven, baking the hardware for 8 to 25 minutes at the temperature of between 80 and 150 DEG C, taking out the hardware from the oven, and cooling the hardware to obtain a finished product. The method overcomes the phenomenon of capillary holes and capillary bulbs between the paint layer and the metal surface, and greatly improves the corrosion resistance of the hardware, and the surface of the hardware is smooth and has good glossiness and vivid color.
Description
Technical field:
The present invention relates to the surface protection of ironware, be specifically related to the face coat of ironware such as slider of zipper fastener, zipper teeth, hinge, electronic metal spare etc.
Background technology:
In general, the surface of ironware all scribbles lacquer (being generally the resin coloured enamel), the purpose of japanning, and the one, in order to prevent the metal surface corrosion, the 2nd, the ironware after the japanning has coloury outward appearance, is subjected to liking of consumer.Though the ironware after the japanning has above advantage, acidproof, the soda acid performance of coating, and anti-wear performance is still not as people's will, and coating surface is crude, glossiness is relatively poor.With regard to its reason, be to have capillary bubble or pore phenomenon between coating and the metal surface, what no matter adopt at present is electrophoresis spraying, or the method for electrostatic spraying, this phenomenon all can't overcome.Therefore, for often will or often being exposed to daylight, airborne ironware by washing, pore, capillary bubble place enamelled coating come off easily, and cause the corrosion of metal surface, not only influence its service life, for having ornamental ironware such as slider of zipper fastener, zipper teeth etc., then lost use value.
Summary of the invention:
The technical problem to be solved in the present invention provides a kind of corrosion-resistant hardware, and its face coat is than the variation of former coating generation matter, acidproof, the alkaline-resisting and anti-wear performance height of coating, and smooth surface and glossy, indefectible, coating combines closely with the metal surface.Another technical problem that the present invention will solve provides the preparation method of this corrosion-resistant hardware.
The present invention is achieved through the following technical solutions:
A kind of corrosion-resistant hardware comprises the face coat (for pigment enamelled coating) of handware, and characteristics are that the surface of coating scribbles the varnish protective finish.
Described varnish protective finish is a kind of in ester gum varniss, novolaks, alkyd varnish, zapon, french polish or the acrylic lacquer.
A kind of preparation method of corrosion-resistant hardware is characterized in that comprising the following steps:
With conventional method to handware surface paint lacquer, treat that handware is cooled to room temperature after, varnish on pigment enamelled coating surface again; Then the handware that will be coated with varnish is put into baking oven, and baking is 8-25 minute in 80-150 ℃, goes out to be finished product after baking oven cools off.The temperature of baking oven baking is low, then needs the time longer, and the temperature height of baking then needs the time short, general preferred baking about 10 minutes in 120 ℃.
The present invention has the following advantages:
One, the present invention is owing to scribble the varnish protective layer on the pigment enamelled coating surface of handware; this protective layer is raw materials used to be selected from a kind of in the epoxies varnish; because varnish is a kind of clear, colorless liquid; and have contraction, a smooth function; therefore, after being coated with this varnish, combined closely in pigment enamelled coating and metal surface on pigment lacquer surface; overcome pore between pigment enamelled coating and the metal surface, capillary bubble phenomenon, make the surperficial decay resistance of handware that the variation of matter take place.Through to the strong current water-wash test of slider of zipper fastener, the washing of the protective layer of not varnishing is the then local depainting phenomenon that takes place by a hour not, the protective layer of varnishing local depainting phenomenon just takes place after washing in three hours.
Two, the present invention has not only improved the decay resistance of handware greatly owing to scribble the varnish protective layer on the pigment enamelled coating surface of handware, and the smooth surface of handware, glossiness are good, bright in luster.
Three, the present invention has changed people's traditional method (only finishing pigment enamelled coating on the handware surface) for a long time, in order to obtain the handware of better decay resistance, should finish pigment enamelled coating in the metal surface, also will varnish on pigment enamelled coating surface.
Description of drawings:
Fig. 1 is the slide fastener schematic top plan view in the handware.
Fig. 2 analyses and observe enlarged diagram for Figure 1A-A.
The specific embodiment:
As shown in Figure 1, 2, a kind of corrosion-resistant hardware comprises the surperficial pigment lacquer coat 1 of handware body 3 scribbling varnish protective finish 2 on the surface of coating 1 that varnish protective finish 2 is selected acrylic lacquer for use in the present embodiment.
Preparation method of the present invention comprises the following steps:
With conventional method handware surface paint is coated with lacquer, after treating that handware is cooled to room temperature, and at ambient temperature, be coated with acrylic lacquer (adopting electrostatic spraying in the present embodiment) again on pigment enamelled coating surface, then the handware that will be coated with varnish is put into baking oven, baking is 10 minutes in 120 ℃, goes out to be finished product after baking oven cools off.
Claims (3)
1, a kind of corrosion-resistant hardware comprises the face coat (1) of handware, and it is characterized in that: the surface of coating (1) scribbles varnish protective finish (2).
2, a kind of corrosion-resistant hardware as claimed in claim 1, described varnish protective finish (2) are a kind of in ester gum varniss, novolaks, alkyd varnish, zapon, french polish or the acrylic lacquer.
3, a kind of preparation method of corrosion-resistant hardware is characterized in that comprising the following steps:
With conventional method to handware surface paint lacquer, treat that handware is cooled to room temperature after, varnish on pigment enamelled coating surface again; Then the handware that will be coated with varnish is put into baking oven, and baking is 8-25 minute in 80-150 ℃, goes out to be finished product after baking oven cools off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100276434A CN101570077A (en) | 2009-05-15 | 2009-05-15 | Corrosion-resistant hardware and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100276434A CN101570077A (en) | 2009-05-15 | 2009-05-15 | Corrosion-resistant hardware and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101570077A true CN101570077A (en) | 2009-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100276434A Pending CN101570077A (en) | 2009-05-15 | 2009-05-15 | Corrosion-resistant hardware and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101570077A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752487A (en) * | 2013-12-20 | 2014-04-30 | 柳州市五环水暖器材经营部 | Coating method of anti-corrosion coating of hardware item |
| CN104475312A (en) * | 2014-12-31 | 2015-04-01 | 芜湖环球汽车配件有限公司 | Spraying protecting method before drawing and forming of automobile sheet metal part |
| CN104497875A (en) * | 2014-12-31 | 2015-04-08 | 芜湖协诚金属制品有限公司 | Preparation method of coating agent for punch forming of automobile diversion plate |
-
2009
- 2009-05-15 CN CNA2009100276434A patent/CN101570077A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752487A (en) * | 2013-12-20 | 2014-04-30 | 柳州市五环水暖器材经营部 | Coating method of anti-corrosion coating of hardware item |
| CN104475312A (en) * | 2014-12-31 | 2015-04-01 | 芜湖环球汽车配件有限公司 | Spraying protecting method before drawing and forming of automobile sheet metal part |
| CN104497875A (en) * | 2014-12-31 | 2015-04-08 | 芜湖协诚金属制品有限公司 | Preparation method of coating agent for punch forming of automobile diversion plate |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091104 |