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Fluorine carbon paint for express highway guard bar and preparation method thereof

A technology of expressway and fluorocarbon paint, applied in coating and other directions, can solve the problems of long transportation period, high market price, unsatisfactory performance, etc., and achieve good machining performance, shorten curing time, and reduce curing temperature. Effect

Inactive Publication Date: 2007-10-31
邢台路桥交通设施有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the low-temperature baking fluorocarbon paint produced in China not only fails to meet the above requirements in performance, but also has high production costs. Although the performance of imported products meets the requirements, the market price is high and the transportation cycle is long. It is difficult to be accepted by the majority of users and the market is limited.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Add 300kg of fluororesin (solid content 50%), 45kg of methyl etherified melamine resin, 3kg of dodecylbenzenesulfonic acid, 50kg of xylene, and 100kg of butyl acetate into the reaction kettle in sequence, stir and mix evenly, and then filter to obtain Fluorocarbon varnishes are used for highway guardrails.

Embodiment 2

[0027] Add 20kg of solvent CAC and 6kg of BYK163 additives into a 1-liter batching tank, add 250kg of fluororesin (50% solid content) and 300kg of titanium dioxide (rutile type) under stirring, and grind with a sand mill after pre-dispersing to reach When the particle size is 20μm, add 350kg of fluororesin (solid content 58%), 100kg of methyl etherified melamine resin, 6kg of BYK306 additive, after mixing evenly, add 5kg of dodecylbenzenesulfonic acid, 20kg of xylene, and 30kg of butyl ester , adjusting viscosity, detection performance, filtering, and packaging to prepare white fluorocarbon paint for highway guardrails.

Embodiment 3～7

[0029] The operating steps and reaction conditions are the same as in Example 2, and the specific amounts of raw materials are shown in Table 1.

[0030] raw material

implement

Example 3

implement

Example 4

implement

Example 5

implement

Example 6

Example

7

Fluorine resin solid content 50%_kg

65

58

52

64

70

pay

Joint agent

Methyl etherified melamine

Resin 95% kg

9

9.7

8.0

10

11.6

reminder

agent

Dodecylbenzenesulfonic acid (blocked)

kg

0.7

0.4

0.2

0.5

0.5

mix

combine

dissolve

dose g

Xylene kg

2

6

2

8

4.1

Butyl acetate kg

3

10

4.5

14

6

Cyclohexanone kg

8

3

1

1.5

4

Butanol kg

2

2

3

2

3

...

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Abstract

The invention discloses a fluorocarbon paint for freeway guard bar and preparing method, which comprises the following steps: allocating mass ratio of fluoro-resin : cross linker : activator : mixed solvent as 30-75:3-30:0. 1-1. 5:10-40. This invention possesses high hardness, salt-mist-resistance property, weatherability and low cost, which can be fit for coating of freeway guard, aluminium section bar, anti-theft gate and mill process line.

Description

technical field [0001] The invention relates to the paint industry, in particular to a fluorocarbon paint for expressway guardrails and a preparation method thereof. Background technique [0002] With the vigorous development of road traffic, the demand for expressway guardrails as a basic transportation facility is increasing day by day, and the demand for coatings for expressway guardrails is also increasing. Due to the special environment used in highway guardrails, the quality requirements of the coatings used are very special. In addition to high-performance requirements such as high hardness of the coating film, salt spray resistance, weather resistance, and water resistance, it should also meet the low cost of mass production. Require. At present, the low-temperature baking fluorocarbon paint produced in China not only fails to meet the above requirements in performance, but also has high production costs. Although the performance of imported products meets the requi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/24
Inventor 孙彬朝郑会玺甘红俊张蕴生王海林
Owner 邢台路桥交通设施有限公司
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