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Base masking paints and coatings

一种遮蔽涂料、基底的技术，应用在涂层、纤维状填料、对表面涂布液体的装置等方向，能够解决遮蔽力未必充分等问题，达到遮蔽力优异的效果

Active Publication Date: 2017-07-04
TOYO ALUMINIUM KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, even with this method, the shielding power is not necessarily sufficient, and further improvement of the shielding power is required.

Method used

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  • Base masking paints and coatings

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0092] Hereinafter, the present invention will be explained in detail with examples, but the present invention is not limited to these.

[0093]

[0094]

[0095] 300ml of petroleum spirit was added to a three-necked flask, and 153.8g of aluminum particles (trade name: "Aluminum paste CS420" (metal content: 65%, average particle size: 8μm) as a sheet-like base material, manufactured by Toyo Aluminum Co., Ltd.) And 20.0 g of polymerized carboxylic acid (trade name: "DIACID1550", manufactured by Harima Chemical Co., Ltd.), which is the first compound by thermally polymerizing acrylic acid and soybean oil fatty acid, heated and stirred, then cooled to normal temperature, and filtered, Thus, the degreasing process is performed. In this way, a sheet-like base material subjected to degreasing treatment with the first compound is obtained.

[0096] Next, add 400ml of petroleum spirit as a solvent and TiO as the first white pigment to the mixer 2 (Trade name: "CR-90-2" (average particle s...

Embodiment 2

[0108] In Example 1, the content of the composite white pigment in the base masking paint was 20 phr, and the thickness of the coating film was 15 μm. Except for this, the same procedure as in Example 1 was carried out to obtain a base masking paint on the substrate. The coating of the formed coating film. About the obtained coating film, similarly to Example 1, the visible light transmittance and the L* value of X-rite were measured. The results are shown in Table 1.

Embodiment 3

[0110] In Example 1, 20.0 g of the alicyclic polyamine as the second compound was replaced with 20.0 g of ethylamine. Other than that, the same procedure as in Example 1 was carried out to obtain a substrate with a base masking coating. The coating of the coating. With respect to the obtained coating film, the visible light transmittance and the L* value of X-rite were measured in the same manner as in Example 1. The results are shown in Table 1.

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Abstract

The base masking paint of the present invention is characterized in that it is a masking paint comprising a composite white pigment and a resin. The composite white pigment includes a flaky substrate and a first white pigment attached to its surface. The flaky substrate is made of metal, coated The first white pigment is formed of any one of a metal-coated material and a carbon material, and is in the form of particles.

Description

Technical field [0001] The present invention relates to a base masking paint and a coated article having a coating film formed by the base masking paint. Background technique [0002] In the past, in order to mask the substrate or the undercoating film, an operation of coating a base coating material using only titanium oxide as a pigment was generally performed. However, when this base coating material is used, the shielding power of titanium oxide is insufficient. Therefore, in order to increase the shielding power, the coating film thickness of the base coating material is increased. [0003] On the other hand, as a cost reduction and VOC countermeasure, it is currently required to thin the coating film. Therefore, Japanese Patent Application Laid-Open No. 08-164358 (Patent Document 1) and Japanese Patent Laid-Open No. 10-137677 (Patent Document 2) propose that, in order to further improve the shielding power of the above-mentioned base paint, in addition to Titanium oxide is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D201/00B05D5/06C09C1/64C09C3/08C09D7/12C09D7/62
CPCC09C1/64C09C3/08C09D201/00C09C1/0084C09C1/648C01P2006/62C09D5/38C08K9/12C09D7/70C08K2003/2241C09D7/62C08K3/08C08K3/22C08K2003/0812C09D133/02
Inventor 久保胜信
Owner TOYO ALUMINIUM KK
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