Aqueous heat-insulating anticorrosive paint

An anti-corrosion coating, water-based technology, applied in anti-corrosion coatings, reflective/signal coatings, coatings, etc., can solve the problem of low adhesion between thermal insulation layer and anti-corrosion layer, reduced life of metal structure buildings, and inability to distribute quartz powder evenly, etc. problem, to achieve the effect of good anti-rust and anti-corrosion performance, excellent anti-corrosion and adhesion, and excellent barrier effect

Active Publication Date: 2012-09-26
株洲中铁中南制造有限公司
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Problems solved by technology

Ceramic epoxy coatings are generally mixed with polymer epoxy resin, toughening agent, leveling agent, quartz powder and curing agent in a certain proportion. Although this traditional ceramic epoxy coating is widely used, there are also The following disadvantages: Quartz powder cannot be evenly distributed into the paint coating, which reduces the adhesion of the coating, and the coating is easy to fa

Method used

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  • Aqueous heat-insulating anticorrosive paint
  • Aqueous heat-insulating anticorrosive paint
  • Aqueous heat-insulating anticorrosive paint

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[0020] Example: A water-based heat-insulating anticorrosive coating: using styrene-acrylic emulsion and nano-SiO 2 Pulp is the main film-forming material. With the combination of multiple functional pigments and fillers, multiple additives, and brown-black slurry, a single-component off-white water-based heat-insulating anticorrosive coating is made. The composition of each component in the formula is as follows:

[0021]

[0022] The preparation process steps of water-based thermal insulation and anticorrosive coating are as follows:

[0023] a. Add deionized water into the dispersion pot, add dispersant, 1 / 2 defoamer, multifunctional additives, anti-mold agent, ethylene glycol, alcohol ester-12, coupling agent, and disperse and mix under moderate speed stirring After uniformly adding rutile titanium dioxide, heat reflecting powder, aluminum zinc phosphate, dispersing at a high speed for 40 minutes, and then grinding the fineness to 20μm or less to form a pigment paste.

[0024] b. ...

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Abstract

The invention discloses an aqueous heat-insulating anticorrosive paint; the off-white aqueous heat-insulating anticorrosive paint is prepared by utilizing styrene-acrylic emulsion and nano SiO2 slurry as main film forming matters under the coordination of various functional pigments and fillers, various auxiliaries and brownish black slurry through conventional single-component coating preparation technologies. The aqueous heat-insulating anticorrosive paint provided by the invention can block, reflect, irradiate and save solar energy and reduce temperature of solar energy, and also can be featured with rust resistance, rot resistance, green and environmental protection, weather resistance, durability and good decoration property simultaneously. The aqueous heat-insulating anticorrosive paint is widely applied to heat insulation and anticorrosion for metal surfaces of metal structure buildings, chemical storage tank, locomotive carriages, cold water towers and so on.

Description

[0001] Field of invention [0002] The invention relates to the technical field of metal structure building surface coatings, in particular to a water-based heat-insulating and anti-corrosion coating. Background technique [0003] At present, the heat insulation and anticorrosion of the surface of metal structure buildings is mainly based on anticorrosion. Generally, the inner and outer walls of the building are sprayed or brushed with anticorrosive coatings of various properties to form inner and outer anticorrosion layers. In terms of heat insulation, the surface is usually covered with thermal insulation materials to play the role of thermal insulation. Among the commonly used anti-corrosion coatings, polymer epoxy resin anti-corrosion coatings are widely used, also known as ceramic epoxy coatings. Ceramic epoxy coatings are generally mixed with polymer epoxy resin, toughening agent, leveling agent, quartz powder and curing agent in a certain proportion. Although this trad...

Claims

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Application Information

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IPC IPC(8): C09D125/14C09D7/12C09D5/08C09D5/33
Inventor 刘成楼唐国军
Owner 株洲中铁中南制造有限公司
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