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Corrosion-resistant aluminum section bar with transfer-printed wood grain

A technology of wood grain transfer printing and aluminum profiles, which is applied in the direction of anti-corrosion coatings, coatings, and devices for coating liquid on the surface, which can solve the problems of restricting the development of wood grain transfer printing aluminum profiles, poor corrosion resistance and water resistance, and transfer printing Clear and other problems, to achieve the effect of rich texture layers, strong color retention and weather resistance, and good synergy

Inactive Publication Date: 2018-05-25
ANHUI XIN FA ALUMINUM PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, wood grain transfer aluminum profiles have defects such as unclear transfer, poor corrosion resistance and water resistance, difficulty in tearing paper, and short service life, which limits the development of wood grain transfer aluminum profiles.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A corrosion-resistant wood grain transfer aluminum profile proposed by the present invention comprises an aluminum profile substrate and a corrosion-resistant coating coated on the surface of the aluminum profile substrate; the preparation method of the corrosion-resistant coating comprises the following steps:

[0021] S1. Mix polyhydric alcohol and polybasic acid, use nitrogen as protective gas, add catalyst, stir and react, and then vacuumize to obtain material A;

[0022] S2. Mix material A with polyacrylate, add benzyl alcohol, propylene glycol ether, turpentine and dispersant, stir, then add thickener, preservative and pigment, and obtain material B after stirring;

[0023] S3. The material B is melted and extruded, cooled and pressed into tablets, crushed, and sieved to obtain a corrosion-resistant coating.

Embodiment 2

[0025] A corrosion-resistant wood grain transfer aluminum profile proposed by the present invention comprises an aluminum profile substrate and a corrosion-resistant coating coated on the surface of the aluminum profile substrate; the preparation method of the corrosion-resistant coating comprises the following steps:

[0026] S1. Mix 320 parts of polyols and 620 parts of polyacids by weight, use nitrogen as a protective gas, add 0.7 parts of catalyst, and raise the temperature to 110°C at a heating rate of 2°C / min under stirring, react for 1.5h, and then Raise the temperature to 180°C at a heating rate of 2°C / min, react for 1 hour, then raise the temperature to 210°C at a heating rate of 1°C / min, react for 60 minutes, and then vacuumize to obtain material A;

[0027] S2. Mix 200 parts of material A with 60 parts of polyacrylate by weight, add 35 parts of benzyl alcohol, 15 parts of propylene glycol ethyl ether, 6 parts of turpentine and 8 parts of dispersant, stir, then add 7 ...

Embodiment 3

[0036] A corrosion-resistant wood grain transfer aluminum profile proposed by the present invention comprises an aluminum profile substrate and a corrosion-resistant coating coated on the surface of the aluminum profile substrate; the preparation method of the corrosion-resistant coating comprises the following steps:

[0037] S1. Mix 340 parts of polyhydric alcohol and 650 parts of polybasic acid by weight, use nitrogen as protective gas, add 1 part of catalyst, and raise the temperature to 120°C at a heating rate of 2.5°C / min under stirring, react for 1.2h, and then Raise the temperature to 172°C at a heating rate of 1.5°C / min, react for 1.2h, then raise the temperature to 220°C at a heating rate of 1.5°C / min, react for 50min, and then vacuumize to obtain material A;

[0038] S2. Mix 240 parts of material A with 70 parts of polyacrylate in parts by weight, add 28 parts of benzyl alcohol, 20 parts of propylene glycol ethyl ether, 9 parts of turpentine and 12 parts of dispersan...

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PUM

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Abstract

The invention discloses a corrosion-resistant aluminum section bar with transfer-printed wood grain. The corrosion-resistant aluminum section bar comprises aluminum section bar matrixes and corrosion-resistant coating. The surfaces of the aluminum section bar matrixes are coated with the corrosion-resistant coating. A method for preparing the corrosion-resistant coating includes steps of mixing polyol and polyacid with each other to obtain mixtures, adding catalysts into the mixtures under the condition that nitrogen is used as protective gas, carrying out stirring reaction and then carrying out vacuumizing to obtain a material A; mixing the material A and polyacrylic ester to obtain first mixtures, adding benzyl alcohol, propylene glycol monoethyl ether, turpentine and dispersing agents into the first mixtures, stirring the benzyl alcohol, the propylene glycol monoethyl ether, the turpentine, the dispersing agents and the first mixtures to obtain second mixtures, adding thickening agents, preservatives and pigment into the second mixtures and stirring the thickening agents, the preservatives, the pigment and the second mixtures to obtain a material B; carrying out melt extrusion,cooling and tablet compressing, crushing and sieving on the material B to obtain the corrosion-resistant coating. The corrosion-resistant aluminum section bar with the transfer-printed wood grain hasthe advantages that wood grain is clearly transfer-printed on the corrosion-resistant aluminum section bar, paper is easy to tear, the corrosion-resistant aluminum section bar is good in corrosion resistance and water resistance, and the appearance and the integral performance of the corrosion-resistant aluminum section bar can be effectively improved.

Description

technical field [0001] The invention relates to the technical field of wood-grain transfer-printed aluminum profiles, in particular to a corrosion-resistant wood-grain transfer-printed aluminum profile. Background technique [0002] Powder coating is a new type of solvent-free solid powder coating, which has the characteristics of no solvent, no pollution, recyclable, environmental protection, energy and resource saving, reduced labor intensity and high mechanical strength of the coating film. It is widely used in aluminum alloy wood grain transfer printing industry. At present, wood grain transfer aluminum profiles have defects such as unclear transfer, poor corrosion resistance and water resistance, difficulty in tearing paper, and short service life, which limits the development of wood grain transfer aluminum profiles. Contents of the invention [0003] Based on the technical problems in the background technology, the present invention proposes a corrosion-resistant w...

Claims

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Application Information

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IPC IPC(8): C09D167/02C09D133/08C09D5/08C09D7/43C09D7/65C08G63/672B05D7/16
Inventor 唐开健李杰王超孙金东
Owner ANHUI XIN FA ALUMINUM PROD
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