Coating with protection and color alteration functions

A coating and functional technology, applied in the field of coatings with protection and color-changing functions, can solve the problems of difficult stripping, low coating adhesion, and leakage of the coating, and achieves the reduction of toluene toxicity and environmental damage, and excellent acid resistance. Alkali and weather resistance, the effect of simple production process

Inactive Publication Date: 2013-09-18
济宁恒泰机械有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, neoprene stripping paint has the following disadvantages, which limit its large-scale promotion:
[0003] 1. Chloroprene peelable paint contains a large amount of toxic substances such as toluene and 2-butanone, and workers who work in this environment for a long time will suffer from chronic poisoning or acute poisoning
[0004] 2. Serious harm to the environment, can cause serious pollution to the air, water environment and water sources
[0005] 3. When used as an insulating protective coating in partial electroplating, after electroplating, the surface oxide will make the coating adhesion too high, resulting in difficulty in stripping and seriously affecting work efficiency
[0006] 4. In local electroplating, due to the low adhesion of the coating, corrosion leakage and coating peeling often occur, and the failure rate is high
[0007] 5. Due to the darker color of neoprene, when used as a paint, it can only be used as a darker paint or primer
[0008] 6. During the construction process, the drying time is too slow, which affects work efficiency

Method used

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  • Coating with protection and color alteration functions
  • Coating with protection and color alteration functions
  • Coating with protection and color alteration functions

Examples

Experimental program
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Effect test

Embodiment 1

[0050] Embodiment 1 Preparation coating

[0051]The formula is: thermoplastic styrene butadiene rubber A SBS792: 200 kg, thermoplastic styrene butadiene rubber B SEBS501: 100 kg, sec-butyl acetate 400 kg, 120# solvent oil 400 kg, xylene 400 kg, C9 petroleum resin 50 kg, antioxidant 8 kg, 8 kg of UV absorber, 7 kg of light stabilizer, 18 kg of fumed silica, and 5 kg of defoamer.

[0052] The preparation method is: (flow process such as figure 1 shown)

[0053] (1) Take thermoplastic styrene-butadiene rubber A SBS792, SEBS YH-501, add naphthenic oil, stir with a high-speed disperser at a speed ≥ 1000 rpm for 5 minutes, and then pour it into the reaction kettle;

[0054] (2) Add sec-butyl acetate, D30 solvent oil and xylene, and stir for 45 minutes at a speed ≥ 1000 rpm until completely dissolved;

[0055] (3) Add C9 petroleum resin, antioxidant, ultraviolet absorber, light stabilizer, fumed silica and defoamer, disperse for 30 minutes at a linear speed of 20m / s, enter the gri...

Embodiment 2

[0061] Embodiment 2 preparation coating

[0062] The formula is: thermoplastic styrene butadiene rubber A SBS792: 200 kg, thermoplastic styrene butadiene rubber B SEBS501: 100 kg, sec-butyl acetate 400 kg, 120# solvent oil 400 kg, xylene 400 kg, C9 petroleum resin 50 kg, antioxidant 8 kilograms, 8 kilograms of ultraviolet absorbers, 7 kilograms of light stabilizers, 18 kilograms of fumed silica, 5 kilograms of defoamers, 32 kilograms of pigments (the pigment color is black).

[0063] The preparation method is:

[0064] (1) Take thermoplastic styrene-butadiene rubber A SBS792, SEBS YH-501, add naphthenic oil, stir with a high-speed disperser at a speed ≥ 1000 rpm for 5 minutes, and then pour it into the reaction kettle;

[0065] (2) Add sec-butyl acetate, D30 solvent oil and xylene, and stir for 45 minutes at a speed ≥ 1000 rpm until completely dissolved;

[0066] (3) Add C9 petroleum resin, antioxidant, ultraviolet absorber, light stabilizer, fumed silica, defoamer and pigme...

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Abstract

The invention discloses a coating with protection and color alteration functions. The coating is prepared from the following components in parts by weight: 150-200 parts of thermoplastic butadiene styrene rubber A, 50-100 parts of thermoplastic butadiene styrene rubber B, 300-400 parts of sec-butyl acetate, 300-400 parts of 120# solvent naphtha, 300-400 parts of xylene, 30-50 parts of C9 petroleum resin, 5-10 parts of antioxidant, 5-10 parts of ultraviolet light absorber, 3-10 parts of light stabilizer, 12-25 parts of fumed silica, 3-6 parts of defoaming agent and 0 or 15-32 parts of pigment. Compared with a chloroprene rubber strippable coating, the coating with protection and color alteration functions, disclosed by the invention, belongs to an environment-friendly coating and is greatly improved on the aspects of elasticity and toughness such as tensile strength, stretching strength, resilience coefficient, surface hardness, adhesive force and the like.

Description

technical field [0001] The invention relates to a paint with protective and color-changing functions. Background technique [0002] In the prior art, chloroprene rubber strippable paint (chlorinated rubber paint) is widely used in local electroplating, such as the temporary insulation protection of chemical milling aluminum alloy, stainless steel, titanium alloy, protection and color change of automobile exterior paint, automobile exterior paint Repair, surface and electrical protection of instruments, equipment and other items during sea transportation, mining explosion-proof box sealing, underwater equipment sealing protection, tool insulation, dipping industry, etc. However, neoprene stripping paint has the following disadvantages, which limit its large-scale promotion: [0003] 1. Neoprene peelable paint contains a large amount of toluene, 2-butanone and other toxic substances, and workers who work in this environment for a long time will suffer from chronic poisoning o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D153/02C09D157/02C09D5/20
Inventor 孟超
Owner 济宁恒泰机械有限公司
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