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Marine-weather-resistant powder coating containing graphene and preparation method thereof

A marine climate and powder coating technology, used in powder coatings, anti-corrosion coatings, polyester coatings, etc., can solve the problems of poor weather resistance and low production costs, and achieve low prices, large technology upgrades, and improved marine environment weather resistance. Effect

Inactive Publication Date: 2017-06-30
佛山市涂亿装饰材料科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of the above-mentioned deficiencies in the prior art, the present invention provides a graphene-containing marine climate-resistant powder coating and a preparation method thereof, by combining pure polyester with graphene to obtain a powder coating with strong salt spray resistance and low production cost , to solve the shortcomings of poor weather resistance of existing epoxy resin or epoxy polyester blend powder coatings

Method used

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  • Marine-weather-resistant powder coating containing graphene and preparation method thereof

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Effect test

Embodiment 1

[0052] A graphene-containing marine climate-resistant powder coating, its raw material composition, by mass fraction, includes the following components: 60 parts of polyester resin, 4 parts of triglycidyl isocyanurate, 2.5 parts of graphene, flow 0.3 parts of leveling agent, 4.5 parts of matting agent, 0.1 part of catalyst, 1.2 parts of pigment carbon black, 9.9 parts of titanium dioxide, and 17.5 parts of filler.

[0053] Its preparation method comprises the following steps:

[0054] First, use an electronic balance to weigh the mass of each component in the raw material according to the ratio, mix evenly, and mix and stir at a high speed for 200-270 seconds until broken;

[0055] Then, it is heated at a high temperature of 90°C-110°C until it melts, cooled, pressed into tablets, crushed, and put into a mill to grind it into powder at high speed;

[0056] Finally, it is sieved and classified by a cyclone separator to obtain the finished product.

[0057] This embodiment is ...

Embodiment 2

[0059] The preparation method of this embodiment is basically the same as that of Example 1, and the technical effect achieved is also basically the same. The difference is that a kind of graphene-containing marine climate-resistant powder coating provided by this embodiment has a raw material composition, by mass fraction Calculated, including the following components: 80 parts of polyester resin, 6 parts of triglycidyl isocyanurate, 0.5 parts of graphene, 0.3 parts of leveling agent, 3.5 parts of matting agent, 0.1 part of catalyst, 1.2 parts of pigment carbon black, 5 parts of titanium dioxide, 3.4 parts of filler.

Embodiment 3

[0061]The preparation method of this embodiment is basically the same as that of Example 1, and the technical effect achieved is also basically the same. The difference is that a kind of graphene-containing marine climate-resistant powder coating provided by this embodiment has a raw material composition, by mass fraction Calculated, including the following components: 66 parts of polyester resin, 5.1 parts of triglycidyl isocyanurate, 3 parts of graphene, 0.3 parts of leveling agent, 5 parts of matting agent, 0.1 part of catalyst, 1.2 parts of pigment carbon black, 10 parts of titanium dioxide, 9.3 parts of filler.

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Abstract

The invention discloses a marine-weather-resistant powder coating containing graphene, the marine-weather-resistant powder coating containing the graphene comprises the following components by mass: 60-80 parts of polyester resin; 4-6 parts of Triglycidyl isocyanurate; 0.5-3 parts of the graphene; 0.3-0.6 part of a leveling agent; 3.5-5 parts of a matting agent; 0.1-0.3 part of a catalyst; 1.2-1.7 parts of a pigment, 5-10 parts of titanium dioxide and 0-20 parts of a filler. The high salt fog resistance powder coating with low price is prepared based on the graphene and the polyester resin, compared with traditional epoxy resin anticorrosive powder coatings, marine-weather-resistance of the marine-weather-resistant powder coating significantly is improved, marine weather resistance, corrosion resistance, environmental friendliness and high cost performance can be all taken into account, and the marine-weather-resistant powder coating greatly promotes the technological upgrading of metal anti-corrosion coatings along the sea area.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a graphene-containing marine climate-resistant powder coating and a preparation method thereof. Background technique [0002] Seawater is a natural electrolyte solution with the largest amount and strong corrosiveness in nature. The climate in coastal areas is characterized by high temperature, rainy and strong wind convection, which leads to long-term high salt spray environment for building materials and engineering equipment in the offshore and ocean. Atmospheric salt spray corrosion is extremely serious. Under the comprehensive effect of strong atmospheric corrosion, electrochemical corrosion and airflow erosion, the service life of various metal components is much lower than that of the general inland environment. The use of conventional powder coatings often causes severe corrosion within half a year. , had to use extremely high-priced fluorine coatings, which constituted a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/00C09D5/03C09D5/08C09D7/12
CPCC08K3/04C08K5/34924C08K13/02C08K2003/2241C08K2201/014C09D5/033C09D5/08C09D167/00
Inventor 史英骥
Owner 佛山市涂亿装饰材料科技有限公司
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