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Elastic handfeel paint

A hand-feeling and elastic technology, applied in the field of coatings, can solve the problems of waste of electricity and manpower, increase production costs, and long production time, and achieve the effects of reducing production costs, improving production efficiency, and reducing defective rates.

Inactive Publication Date: 2010-12-22
DONGGUAN PAINT KEY PRECISE INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The production efficiency of this traditional secondary spraying method is low, the production time is long, a large amount of water, electricity and manpower are wasted, and the production cost is increased. In addition, there are many defective products produced in the whole production process of secondary spraying, and the defect rate is relatively high. Large, which further increases the production cost

Method used

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Examples

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Embodiment Construction

[0047] The present invention will be further described below in conjunction with the examples, and the quantities in the examples are all percentages by weight.

[0048] Table 1 is the ratio of each component in the hydroxyl component A and curing agent component B of Examples 1-3, Comparative Examples 1 and 2, wherein the leveling agent adopts a silicone leveling agent, and the matting powder adopts two Silica matting powder, the mixed solvent is composed of 30% ethyl acetate, 25% butyl acetate, 30% methyl isobutyl ketone, and 15% methyl diacetone alcohol.

[0049] Table 1

[0050] .

[0051] Wherein, the preparation method of hydroxyl component A is:

[0052] 1. Put hydroxyl-containing linear saturated polyester resin, nano-pigment, and polyurethane modified wetting and dispersing agent into a stainless steel solvent bucket, then use a dispersing mixer at 1200-1500 rpm, temperature 50°C-60°C, disperse for 45 minute;

[0053] 2. Add silica matting powder and mixed solve...

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Abstract

The invention relates to an elastic handfeel paint, comprising a hydroxy component A and a curing agent component B, wherein the hydroxy component A is prepared by the following raw materials by weight percent: 35-38% of hydroxy linear saturated polyester resin, 0.1-0.3% of dibutyltin dilaurate catalyst, 0.5-1% of levelling agent, 6.5-7% of extinction powder, 2-3% of polyurethane modified wetting and dispersing agent, 2-3% of nano pigment and 48-53% of mixed solvent; and the curing agent component B is prepared by the following raw materials by weight percent: 60-80% of HDI tripolymer and 20-40% of anhydrous butyl acetate. The hydroxy component A and the curing agent component B are mixed to obtain the polyurethane elastic handfeel paint, wherein the equivalent weight ratio of -NCO in the HDI tripolymer of the curing agent component B to -OH in the hydroxy linear saturated polyester resin of the hydroxy component A is 1.05:1.2. The elastic handfeel paint has an intrinsic color, thus being free of secondary spraying.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to an elastic hand-feeling paint. Background technique [0002] Traditional elastic touch paints are transparent and colorless. For example, the Chinese invention patent No. 200810217082.X discloses a kind of elastic touch paint. The topcoat is to add 40-60 parts of alkyd resin, 10-40 parts of elastic resin, and 0.3-1.0 parts of dispersant in sequence according to the weight ratio of components, disperse and stir at 500RPM for 3-5 minutes until uniform, and add matting powder 2.0 while stirring -5.0 parts, glass powder 3.0-10 parts, wax powder 0.5-2.0 parts, disperse and stir at 1000RPM for 15 minutes to fineness≤25μm, then add leveling agent 0.2-0.5 parts, anti-settling agent 0.2-0.5 parts, mixed solvent 13.6, disperse and stir at 800RPM for 10 minutes, then add 1.0-5.0 parts of the pre-dispersed 20% anti-scratch resin to the paint obtained in the above steps under low-speed stir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/06C09D7/12
Inventor 陈新洪刘志兴
Owner DONGGUAN PAINT KEY PRECISE INDAL
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