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Reflectorized paint of road sign and preparation method of reflectorized paint

A technology for road signs and reflective paints, applied in reflective/signal paints, coatings, etc., can solve the problems of high VOC content, poor adhesion, poor weather resistance, etc., achieve excellent temperature and water resistance, strong reflective effect, The effect of excellent weather resistance

Active Publication Date: 2017-05-31
重庆南方漆业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In addition, the usual reflective paint is a one-component paint based on thermoplastic acrylic resin, which has the disadvantages of poor weather resistance, poor adhesion, low solid content, and high VOC content.

Method used

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  • Reflectorized paint of road sign and preparation method of reflectorized paint
  • Reflectorized paint of road sign and preparation method of reflectorized paint
  • Reflectorized paint of road sign and preparation method of reflectorized paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-4

[0039] Road sign reflective paint is composed of reflective base paint and clear top coat.

[0040] Reflective primer consists of A composition and curing agent.

[0041] The clear topcoat consists of B composition and curing agent.

[0042] The A composition component of the reflective base paint of embodiment 1-4 is as table three

[0043] The component (parts by weight) of the A composition of table three embodiment 1-4 reflective primer

[0044]

[0045]

[0046] The B composition component of the clear finish paint of embodiment 1-4 is as table four:

[0047] The component (parts by weight) of the B composition of table four embodiment 1-4 clear finish paint

[0048]

[0049]

[0050] Table five is the curing agent composition table (parts by weight) of embodiment 1-7:

[0051] serial number raw material name Example 1 Example 2 Example 3 Example 4 1 N75 curing agent 58 60 61 62 2 3390 curing agent 18 20 21 22 3 ...

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Abstract

The invention discloses reflectorized paint of a road sign, which comprises reflectorized base coat and top coat, wherein the reflectorized base coat comprises a composition A and a curing agent; the composition A is prepared from the following ingredients: acrylic resin, a dispersing agent, organobentonite, polyamide wax, a DBE (dibasic ester) high boiling point solvent, a pigment, titanium dioxide, dimethylbenzene, a flatting agent, a 1130 ultraviolet absorber, a 292 ultraviolet absorber and a coupling agent; the top coat comprises a composition B and a curing agent; the composition B is prepared from the following ingredients: acrylic resin, a 201P rheological agent, a DBE high boiling point solvent, a 1130 ultraviolet absorber, a 292 ultraviolet absorber, a flatting agent, a glass bead and dimethylbenzene. Designated colors (such as yellow, red and green) required by the reflectorized paint of the sign are kept, and the reflectorized paint has a prominent reflectorized effect under lamplight illuminating and exerts an effect of caution or identification.

Description

technical field [0001] The invention relates to a reflective paint for road markings and a preparation method thereof, belonging to the field of paint additives. Background technique [0002] The usual reflective paints on the market have problems such as poor reflective effect, poor weather resistance and high VOC content. Usual reflective paint is a metal primer and a reflective topcoat. Glass beads and coloring pigments are added in the reflective topcoat, just because the presence of coloring pigments in the topcoat affects the reflective effect of the paint. [0003] In addition, the usual reflective paint is a one-component paint based on thermoplastic acrylic resin, which has the disadvantages of poor weather resistance, poor adhesion, low solid content, and high VOC content. In order to solve the above disadvantages, our company has developed this reflective paint with high solid content, low VOC, high weather resistance and strong reflective properties. Contents ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D5/33C09D7/12
Inventor 穆建渝
Owner 重庆南方漆业有限公司
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