Nanometer modified rust-proof top-coat for metal

A technology of metal anti-rust and nano-modification, which is applied in the field of corrosion and anti-rust coating, metal anti-rust topcoat, protective and decorative coating, and can solve the problems of high content of toxic substances, poor anti-rust performance and unstable quality To achieve the effects of reducing toxic components, improving salt spray resistance, and excellent low-temperature film-forming performance

Inactive Publication Date: 2006-12-13
彭志伟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to propose a nano-modified metal anti-rust paint for the existing metal anti-rust topcoats that have many defects such as high content of toxic substances, environmental protection, high energy consumption, unstable quality, and poor anti-rust performance. The anti-rust topcoat can effectively reduce the content of harmful substances, greatly reduce the pollution of the product to the environment, and improve the quality of the product.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A. Prepare the main agent of anti-rust finish paint, the selected raw materials and proportioning are:

[0030] No. Raw material name %

[0031] 1 hydroxyacrylic resin 40.0

[0032] 2 Synthetic fatty acid resin 20.0

[0033] 3 Xylene 1.0

[0034] 4 Ethylene glycol ether acetate 5.0

[0035] 5 Butyl acetate 3.5

[0036] 6 CH series hyperdispersant 3.0

[0037] 7 titanate TC-3 1.5

[0038] 8 Cobalt naphthenate 0.2

[0039] 9 Dioctyl phthalate 0.3

[0040] 10 Silicone defoamer 2.0

[0041] 11 Silicone leveling agent 2.5

[0042] 12 Titanium iron powder 5.0

[0043] 13 Iron oxide red 13.0

[0044] 14 iron oxide black 3.0

[0045] Total: 100.0

[0046] B, prepare nano-oxide additive, selected raw material and proportioning are:

[0047] 1 nanometer zinc oxide 40

[0048] 2 Nano Titanium Dioxide 60

[0049] Total: 100.0

[0050] Add the ab...

Embodiment 2

[0074] A. Prepare the main agent of anti-rust finish paint, the selected raw materials and proportioning are:

[0075] No. Raw material name %

[0076] 1 hydroxyacrylic resin 30.0

[0077] 2 Synthetic fatty acid resin 20.0

[0078] 3 n-propanol 2.0

[0079] 4 Ethylene glycol ether acetate 10.0

[0080] 5 ethyl acetate 2

[0081] 6 SN5040 Dispersant 5.0

[0082] 7 Titanate TC-F 1.5

[0083] 8 Zinc naphthenate 1.0

[0084] 9 Dibutyl phthalate 1.0

[0085] 10 Silicone defoamer 1.0

[0086] 11 Silicone leveling agent 1.5

[0087] 12 Titanium iron powder 3.0

[0088] 13 Iron oxide red 20.0

[0089] 14 iron oxide black 2.0

[0090] Total: 100.0

[0091]B, prepare nano-oxide additive, selected raw material and proportioning are:

[0092] 1 Nanometer Iron Oxide Red 30

[0093] 2 nanometer silica 40

[0094] 3. Nano iron oxide yellow 30

[0095] Tot...

Embodiment 3

[0114] A. Prepare the main agent of anti-rust finish paint, the selected raw materials and proportioning are:

[0115] No. Raw material name %

[0116] 1 hydroxyacrylic resin 25.0

[0117] 2 Synthetic fatty acid resin 10.0

[0118] 3 1-Butanol 2.0

[0119] 4 Isopropanol 5.0

[0120] 5 ethyl carbonate 1

[0121] 6 HK-03 organic dispersant 2.5

[0122] 7 titanate G-2 2.5

[0123] 8 Manganese naphthenate 1

[0124] 9 Dioctyl phthalate 2

[0125] 10 Silicone defoamer 5.0

[0126] 11 Organic-based leveling agent 7.5

[0127] 12 Gold ore type titanium dioxide 4.0

[0128] 13 iron oxide black 24

[0129] 14 Mica iron oxide powder 2.0

[0130] 15 Ethylene glycol ether acetate 4.0

[0131] 17 Butyl acetate 2.5

[0132] Total: 100.0

[0133] B, prepare nano-oxide additive, selected raw material and proportioning are:

[0134] 1 Nano Iron Oxide Black 30

[0135] 2 N...

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Abstract

The invention relates the nanometer modified metallic anti-corrosive paint, comprising 50-70wt% host crystal, 20-40wt% curing agent and 1-10wt% oxide addition. The host crystal comprises compound resin, color paste and auxiliary agent, and the curing agent comprises 75% aromatic isocyanate, 75% aliphatic isocyanate, dimethylbenzene, butyl acetate optal and 2-butanol. The invention adds nanometer oxidate to improve the quality of anti-corrosive paint, and adds alcohols solvent in host crystal to reduce noxious constituents in solvent. The invention doesn't use the compounds which contain lead and chromium.

Description

technical field [0001] The invention relates to the technical field of metal coatings, in particular to a special metal anti-rust finish paint, which is mainly used for corrosion and anti-rust coating on the surface of mechanical equipment and metal structural parts, especially suitable for mechanical equipment, injection molding machines, die-casting machines, Protective and decorative coating for spark machines, CNC machining centers, air compressors, elevators, motors and other equipment and manufacturing industries. Background technique [0002] At present, most of the existing anti-corrosion and anti-rust paints are solvent-based paints, and their solvents are generally based on benzene organic solvents such as xylene, which are used as diluents for pigments, paints, etc., and their content is relatively high. Xylene is a colorless and transparent liquid, insoluble in water, soluble in ethanol and ether, toxic, volatile, can pollute air and environment, and seriously en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D5/08B05D7/14C09D133/14
Inventor 彭志伟
Owner 彭志伟
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