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Preparation method of anti-corrosion fingerprint-resistant surface treating agent

A surface treatment agent and anti-fingerprint technology, used in coatings, metal material coating processes, epoxy resin coatings, etc., can solve the problems of metal oxide spraying equipment, reduced corrosion resistance of abrasives, and many processes. Achieve the effect of improving medium penetration resistance, improving hardness, and simple coating process

Inactive Publication Date: 2011-05-11
BAOSHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the grinding production process of ferritic stainless steel such as 430, the passivation film on the surface of the stainless steel is destroyed, resulting in a significant decrease in the corrosion resistance of the abrasive product, and a large number of corrosion problems occur during the user's processing and use
The disadvantage of this method is that there are many processes and special metal oxide spraying equipment is required

Method used

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  • Preparation method of anti-corrosion fingerprint-resistant surface treating agent
  • Preparation method of anti-corrosion fingerprint-resistant surface treating agent
  • Preparation method of anti-corrosion fingerprint-resistant surface treating agent

Examples

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Effect test

preparation example Construction

[0049] The preparation method of the anti-corrosion and anti-fingerprint surface treatment agent includes the following steps:

[0050] Under the condition of stirring, the surface treatment agent is prepared according to the above weight percentage; grinding; adjusting the solid content of the mixed treatment agent to be 10-50%, the viscosity is 10-50CPS, and the packaging is discharged.

[0051] The nano oxide is added in the form of nano oxide concentrate during the preparation process of the surface treatment agent.

[0052] The nano-oxide concentrated slurry is composed of 30-65% nano-oxide, 10-50% silane mixture and the balance water.

[0053] First add the pH regulator to the water, then slowly add the mixture of silane and nano-oxide to make a nano-oxide concentrated slurry, and then add the metal compound to the mixed slurry of organic polymer resin, silicone resin, and water-based wax according to the ratio. After stirring and mixing uniformly, the prepared nano-oxide concen...

Embodiment 2

[0057] As shown in Figures 2 and 3, the dry film thickness of the coating film of the present invention is 0.5-5 μm, and the fingerprint resistance is excellent. (Example 2)

[0058] As shown in Figure 4, the coating film of the present invention has good adhesion and ductility on the surface of stainless steel. T bending test, 0T no peeling; ball impact test, no peeling of the coating film; 14mm cupping test, no peeling of the coating film.

[0059] (Example 2)

Embodiment 1

[0061] 1) Stainless steel substrate, 430No4 alkali degreasing

[0062] 2) Paint composition

[0063] Modified polyurethane 25%; organic silicon resin 8%; nano-silica concentrate 10%;

[0064] Organic vanadate 8%; water-based wax 2%; film-forming aid 3%; water balance.

[0065] 3) Paint preparation

[0066] According to the preparation process of the anti-corrosion and anti-fingerprint surface treatment agent, it is mixed into the treatment agent.

[0067] 4) Coating process

[0068] One roll coating; drying at 90~120℃; the dry film thickness of the coating is 1~4μm.

[0069] Example 2

[0070] 1) Stainless steel substrate, degreased 430No3

[0071] 2) Paint composition

[0072] Modified acrylic 20%; silicone resin 9%; nano-titanium dioxide concentrate 12%

[0073] Phosphomolybdate 5%; water-based wax 3%; film-forming aid 2%; water balance.

[0074] 3) Paint preparation

[0075] According to the preparation process of the anti-corrosion and anti-fingerprint surface treatment agent, it is mixed in...

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Abstract

The invention discloses a corrosion and fingerprint resistant surface treatment agent and a preparation method thereof as well as a use method on stainless steel plates. The weight percentages of the chemical ingredients are as follows: 7-45% of organic macromolecule resin, 2-15% of organic silicon resin solution, 0.5-10% of water system wax, 0.5-10% of nano-oxide, 0.1-20% of metallic compound, 0.1-15% of silane mixture and water being the rest. The preparation method comprises: a pH regulator is added into water, and then the silane mixture and nano oxide are slowly added to prepare nano oxide concentrate; the concentrate is mixed and stirred with the ingredients to form film and is mixed into a treatment agent. The use method of the treatment agent on the stainless steel plates comprises washing, coating and drying. Compared with the prior art, the coating of the invention has good adhesion and ductibility on the surface of the stainless steel and is free from flaking off, thereby enhancing the production efficiency. Coatings resisting corrosion, fingerprint and scratch and stainless steel plates can be obtained.

Description

Technical field [0001] The invention relates to a corrosion-resistant and fingerprint-resistant stainless steel plate, in particular to a corrosion-resistant and fingerprint-resistant surface treatment agent, and a method for preparing and using the stainless steel plate. Background technique [0002] Anti-fingerprint processing itself is a relatively mature technology with a certain development history. The research and production of electro-galvanized fingerprint-resistant board originated in Japan and entered commercial production in the early 1980s. In the 1990s, electro-galvanized fingerprint-resistant steel plates from many steel plants such as Baosteel, Taiwan Sinosteel, and South Korea's Pohang also came out. The traditional production process of fingerprint-resistant steel plate: carbon steel cold-rolled sheet → electro-galvanized → phosphating → chromium or chromium-free passivation → resin coating → drying → cooling. The initial purpose of anti-fingerprint processing...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C22/02C09D175/04C09D163/00C09D133/02C09D177/00C09D7/12
CPCC09D5/084C23C2222/20
Inventor 骆素珍彭建国
Owner BAOSHAN IRON & STEEL CO LTD
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