Preparation method of black extinction electrophoresis aluminum profile

An aluminum profile, black technology, applied in the field of preparation of black matte electrophoretic aluminum profiles, can solve the problems of high manufacturing cost of matte aluminum profiles, poor product gloss, poor transparency, etc., achieve uniform temperature of coating film gloss, and reduce pretreatment costs. , good weather resistance effect

Inactive Publication Date: 2017-09-22
铭帝集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The invention provides a method for preparing a black electrophoretic extinction aluminum profile, which solves the problems of high manufacturing cost, poor product gloss, rough surface, and poor transparency of the extinction aluminum profile prepared by the electrophoretic extinction method in the prior art.

Method used

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Examples

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preparation example Construction

[0028] A method for preparing a black electrophoretic aluminum profile, comprising the following steps:

[0029] Step 1. After degreasing, washing with water, alkali washing, washing with water, neutralizing and washing with water in sequence, the hung substrate is subjected to anodic oxidation to form an oxide film on the surface of the substrate;

[0030] Step 2, without electrolytic coloring, directly wash the anodized base material with hot pure water;

[0031] Step 3: Carry out black matting electrophoretic paint on the base material washed with hot pure water;

[0032] Step 4. The profiles painted with black matt electrophoretic paint are washed with pure water, drained, and cured in sequence, and then they are taken off the shelf and packaged as finished black matt aluminum profiles.

[0033] The black extinction electrophoretic painting in the step 3 comprises the following steps successively:

[0034] Step ①, first use normal temperature pure water to wash the acid ...

Embodiment 1

[0041] A method for preparing a black electrophoretic aluminum profile, comprising the following steps:

[0042] Step 1. After degreasing, washing with water, alkali washing, washing with water, neutralizing and washing with water in sequence, the hung substrate is subjected to anodic oxidation to form an oxide film on the surface of the substrate;

[0043] Step 2, without electrolytic coloring, directly wash the anodized base material with hot pure water;

[0044] Step 3: Carry out black matting electrophoretic paint on the base material washed with hot pure water;

[0045] Black matting electrophoretic paint includes the following steps in sequence:

[0046] Step ①. First, use normal temperature pure water to wash the acid solution on the surface of the anodized substrate several times, and then use 80°C hot water to wash the substrate once;

[0047] Step ②, drip dry the cleaned substrate until there is no water residue on the surface;

[0048] Step 3. Add black electroph...

Embodiment 2

[0054] A method for preparing a black electrophoretic aluminum profile, comprising the following steps:

[0055] Step 1. After degreasing, washing with water, alkali washing, washing with water, neutralizing and washing with water in sequence, the hung substrate is subjected to anodic oxidation to form an oxide film on the surface of the substrate;

[0056] Step 2, without electrolytic coloring, directly wash the anodized base material with hot pure water;

[0057] Step 3: Carry out black matting electrophoretic paint on the base material washed with hot pure water;

[0058] Black matting electrophoretic paint includes the following steps in sequence:

[0059] Step ①. First, use room temperature pure water to wash the acid solution on the surface of the anodized substrate several times, and then use 85°C hot water to wash the substrate once;

[0060] Step ②, drip dry the cleaned substrate until there is no water residue on the surface;

[0061] Step 3. Add black electrophoret...

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PUM

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Abstract

The invention relates to a preparation method of a black extinction electrophoresis aluminum profile. The preparation method comprises: 1, sequentially carrying out degreasing, water washing, alkali washing, water washing, neutralizing and water washing on a formed substrate, and carrying out anodic oxidation to form an oxidation film on the surface of the substrate; 2, directly performing hot pure water washing on the obtained substrate without electrophoresis coloring; 3, carrying out black extinction electrophoresis paint coating on the substrate obtained in the step 2; and 4, sequentially carrying out pure water washing, draining and curing on the profile obtained in the step 3, discharging out of the frame, and packaging to obtain the finished product black extinction electrophoresis aluminum profile. According to the present invention, the method has advantages of excellent coating operation, high production economy, and excellent coating film performance.

Description

technical field [0001] The invention belongs to the technical field of surface treatment of aluminum profiles, and in particular relates to a method for preparing black electrophoretic aluminum profiles. Background technique [0002] Matte aluminum profile is a profile material with strong metallic texture, which is more and more widely used in construction, decoration, frame and other fields. [0003] Electrophoretic extinction methods in traditional technologies generally include the following: [0004] 1. Electrophoretic extinction technology: [0005] The electrophoretic matting technology obtains a matting coating film by adding a matting agent to the high photophoretic coating. However, the electrophoretic coating obtained by adding a matting agent is likely to cause uneven gloss due to the lack of a constant swimming rate of the matting agent during electrophoretic coating; uneven gloss; [0006] 2. Matting agent matting technology: [0007] ①. Fumed silica powde...

Claims

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Application Information

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IPC IPC(8): C09D161/32C09D5/08C09D5/44C09D7/00C25D11/04C25D13/04
CPCC08K3/04C09D5/08C09D5/4469C09D161/32C25D11/04C25D13/04
Inventor 邓春平肖优胜
Owner 铭帝集团有限公司
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