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Composite anticorrosive heat insulating coating
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A composite coating and coating technology, applied in coatings, epoxy resin coatings, devices for coating liquids on surfaces, etc., can solve problems such as limited application range, inappropriateness, waste of water resources and energy, and achieve production The process is simple, the heat insulation effect is maintained, and the construction is convenient
Active Publication Date: 2008-01-23
依多科(常熟)汽车材料有限公司
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[0002] In addition to anti-corrosion, chemical equipment, storage tanks and pipelines for storing and transporting oil and gas need to prevent the introduction of external heat energy. At present, the anti-corrosion method of aluminum powder paint is usually used. Because of the good heat transfer performance of aluminum powder, it is difficult to , exposed to sunlight, the temperature of the outer wall of the equipment can be as high as 60°C or more. According to the general design specifications for chemical equipment, especially for storage tanks and pipelines for storing and transporting oil and gas, when the temperature of the outer wall exceeds 30°C, it is required to take measures such as Cooling measures such as cold water spraying cause a lot of waste of water resources and energy
[0003] Chinese patent announcement CN1405248A discloses a coating based on acrylic resin with the function of reflecting solar thermal energy. This coating formed by the coating of acrylic resin as the main film-forming material has a low absorption rate of solar thermal energy. , good weather resistance, but its anti-corrosion performance is not so ideal, it is not suitable for use in chemical equipment that requires high anti-corrosion performance
In addition, Chinese patent announcements CN257897A and CN10575101A respectively disclose a heat-insulating coating and an anti-radiation heat-insulating coating, which are all water-based coating systems, respectively using polyvinyl butyral and styrene-acrylic emulsion as film-forming materials, although It has a certain heat insulation and cooling effect, but it cannot be compared with solvent-based coatings in terms of stain resistance, decoration and chemical corrosion resistance, so its application range is limited, and it is mostly used for interior and exterior walls and roofs of buildings. Waterproof and heat insulation of buildings
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Embodiment 1
[0048] The formulation of the paint used in each layer of the composite coating is as follows:
[0057] Weigh each component according to the above formula, place it in a high-speed mixer and stir for about 30 minutes, so that each component is fully stirred evenly, and before use, add the H-2 curing agent produced by Shanghai Paint Research Institute, according to primer: curing agent = 10 : 1 weight ratio, after stirring evenly, coat on the base material.
[0109] Here are another two groups of formulations of the heat-insulating and anti-corrosion coating of the present invention, which can be used in combination with the formulations listed in Example 1 to obtain various other properties and meet the specific requirements of users.
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Abstract
The composite anticorrosive heat insulating coating features that it consists of one coating of primer with epoxy resin as base material; one intermediate coating with hydroxy acrylate resin as base material; and one top coating with high chlorinated polyethylene as base material. Inside the composite anticorrosive heat insulating coating, there are titaniumwhite powder and other pigment and stuffing, hollow glass bead, various assistant, etc. and has the advantages of simple production process and convenient construction, sunshine reflectivity over 75 % and excellent anticorrosive performance. The present invention may be used in the isolation and anticorrosion of oil and gas storage, conveying pipeline and other chemical industrial equipment.
Description
technical field [0001] The invention relates to a material with both heat-insulating and anti-corrosion functions, in particular to an anti-corrosion and heat-insulating multilayer composite coating composed of multiple paint coatings. Background technique [0002] In addition to anti-corrosion, chemical equipment, storage tanks and pipelines for storing and transporting oil and gas need to prevent the introduction of external heat energy. At present, the anti-corrosion method of aluminum powder paint is usually used. Because of the good heat transfer performance of aluminum powder, it is difficult to , exposed to sunlight, the temperature of the outer wall of the equipment can be as high as 60°C or more. According to the general design specifications for chemical equipment, especially for storage tanks and pipelines for storing and transporting oil and gas, when the temperature of the outer wall exceeds 30°C, it is required to take measures such as Cooling measures such as ...
Claims
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Application Information
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