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Non-chrome water-based organic fingerprint-resistant coating and preparation method thereof

A fingerprint-resistant, organic technology used in polyurea/polyurethane coatings, coatings, etc.

Active Publication Date: 2010-12-15
上海丰野表面处理剂有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the corrosion resistance of these two fingerprint-resistant steel plates can meet the requirements of the home appliance industry

Method used

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  • Non-chrome water-based organic fingerprint-resistant coating and preparation method thereof
  • Non-chrome water-based organic fingerprint-resistant coating and preparation method thereof
  • Non-chrome water-based organic fingerprint-resistant coating and preparation method thereof

Examples

Experimental program
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Embodiment 1-5

[0031] The chromium-free water-based organic anti-fingerprint coating of the present invention is produced according to the following steps: add deionized water in the reaction kettle under normal temperature conditions; 2h; keep the temperature constant, then add silica sol, stir for 0.5-0.75h; keep the temperature constant, add silane, stir for 0.5-0.75h; then cool down to 40-45°C, add lubricating aid, stir for 0.5-0.75h ; Cool down to room temperature, add deionized water again, and stir for 2-2.5h. The composition distribution ratio of the coating in each embodiment is shown in Table 1.

[0032] Table 1 (number of parts by mass)

[0033] components

Example 1

Example 2

Example 3

Example 4

Example 5

Deionized water

50

30

62

52

42

Alcohol ester 12 (film-forming aid)

1

2

2

1

1

Water-based polyurethane (water-based resin)

16

25

15

18

22

A silane c...

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Abstract

The invention discloses non-chrome water-based organic fingerprint-resistant coating, which comprises the following components in part by mass: 15 to 25 parts of water-based resin, 25 to 65 parts of deionized water, 1 to 2 parts of film-forming aid, 5 to 10 parts of lubricating aid, 5 to 15 parts of silane coupling agent, and 10 to 20 parts of silica sol. Correspondingly, the invention also discloses a method for preparing the non-chrome water-based organic fingerprint-resistant coating, which comprises the following steps of: adding deionized water into a reaction kettle at normal temperature; adding a film-forming aid into the reaction kettle; heating the mixture to the temperature of between 55 and 60 DEG C, adding the water-based resin, and stirring for 1.5 to 2 hours; keeping the temperature, adding the silica sol, and stirring for 0.5 to 0.75 hour; keeping the temperature, adding the silane coupling agent, and stirring for 0.5 to 0.75 hour; cooling to the temperature of between 40 and 45 DEG C, adding the lubricating aid, and stirring for 0.5 to 0.75 hour; and cooling to normal temperature, adding the ionized water once again, and stirring for 2 to 2.5 hours.

Description

technical field [0001] The invention relates to a paint composition and a preparation method thereof, in particular to a fingerprint-resistant paint and a preparation method thereof. Background technique [0002] Anti-fingerprint plate is a kind of composite coating plate obtained after anti-fingerprint treatment on the surface of galvanized sheet. [0003] Fingerprint-resistant steel is the earliest material to pass the environmental protection certification. It is named "fingerprint-resistant" because the surface will not leave fingerprints when touched with clean fingers. The surface of fingerprint-resistant steel is smooth and smooth, with small tolerances. [0004] The research and production of anti-fingerprint plates originated in Japan and entered commercial production in the early 1980s. The original purpose of anti-fingerprint treatment is to meet the requirements of users in the field of home appliances. In the production process of home appliances, due to the n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D7/12
Inventor 饶晓霞
Owner 上海丰野表面处理剂有限公司
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