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Silicone hydride and polyaniline hybridized polymer watersoluble metal heavy anticorrosion paint
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A silane polymer and metal anti-corrosion technology, which is applied in anti-corrosion coatings, polyurea/polyurethane coatings, epoxy resin coatings, etc., can solve the problem of no patent application for metal anti-corrosion water-based industrial coatings
Inactive Publication Date: 2009-02-18
傅晓平 +1
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[0027] Searching the invention patent databases of China and the United States has not found any patent application for the use of silane polymers and polyaniline hybrids to manufacture metal anti-corrosion water-based industrial coatings
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Embodiment 1
[0046] Embodiment 1: prepare with the weight percent of all components:
[0047] ① Base material components: 500 mesh zincpowder 50%, coating film-forming water-based epoxy resin 14%, intrinsic polyaniline 1.5%, the first group of silane combination liquid 2.4%, deionized purified water 16.5%, thickener 2%, dispersing anti-settling agent 3%, defoaming agent 2%, leveling agent 3%.
[0048] ② Curing agent component: amine-based curing agent 5.6%.
[0049] Table 2 shows the 1000-hour salt spray corrosion resistance detection results of the coating film model produced in Example 1.
Embodiment 2
[0050] Embodiment 2: prepare with the weight percentage of all components:
[0051] ① Base material components: paint film-forming water-based polyurethane resin 15%, conductive polyaniline 1.6%, water-based color paste 34.9%, 400 mesh mica 15%, the second group of silane combination liquid 1.9%, deionized purified water 15%, 2% thickening agent, 3% dispersing anti-settling agent, 2% defoaming agent, 3% leveling agent.
[0052] ② Curing agent component: curing agent 6.6%.
[0053] Table 2 shows the 1000-hour salt spray corrosion resistance test results of the coating film model produced in Example 2.
Embodiment 3
[0054] Embodiment 3: prepare with the weight percent of all components:
[0055] ① Base material components: 500 mesh zincpowder 20%, 400 mesh epoxymicapowder 30%, paint film-forming water-based epoxy resin 14%, intrinsic polyaniline 1.7%, the third group of silane combination liquid 2.0%, 16.7% deionized purified water, 2% thickener, 3% dispersant anti-sedimentation agent, 2% defoamer, 3% leveling agent.
[0056] ② Curing agent component: amine-based curing agent 5.6%.
[0057] Table 2 shows the test results of the salt spray corrosion resistance of the coating film model manufactured in Example 3 for 1000 hours.
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Abstract
The invention relates to an industrial paint which is used for manufacturing metal water-borne heavy-duty anticorrosion base coating and top coating capable of being matched to form systems after hybrid and polymerization of silane, doping-polyaniline and conductive polyaniline. As no organic solvent is used, the manufactured metal water-borne anticorrosion base coating and the manufactured metal water-borne anticorrosion top coating are non-solvent metal anticorrosion heavy-duty industrial paints which are used on the surfaces of metal bases, contain very little VOC (organic volatile) and are friendly to the environment. The theories that common sacrificial anticorrosion paint protects cathodes of metal surfaces and polyaniline protects the anodes of metal surfaces are comprehensively used, so that the metal water-borne heavy-duty anticorrosion coating made by the hybrid and polymerization of silane and polyaniline has very excellent double-coating anticorrosion property on metal surfaces. By adopting the industrial paint, application of double-coating systems having excellent anticorrosion and substitution for metal anticorrosion three-coating systems which are traditional and used at present become feasible.
Description
technical field [0001] The invention relates to the use of silane, Eigenstate Polyaniline, and Conducting State Polyaniline to produce a series of metal heavy-duty anti-corrosion water-based primers and top coats after hybridpolymerization industrial coatings. Since no organic solvent is used, the metal anti-corrosion water-based primer and top coat are non-solvent-type metal heavy-duty industrial coatings with very low VOC (organic volatile) content and environmental friendliness for metal substrates. . [0002] Due to the comprehensive use of commonly used sacrificial anti-corrosion coatings for cathodic protection of metal surfaces and the principle of polyaniline for anodic protection of metal surfaces, the characteristic silane polymers can make the emulsified polymers of water-based coatings form inter-molecular interpenetrating networks. structure, while the contact between the intrinsic state and the conductive state polyphenylamine and the metal surface makes the e...
Claims
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Application Information
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