TWM576164U - Anti-corrosion fluorocarbon composition - Google Patents

Abstract

An anti-corrosive fluorocarbon composition includes a first component layer and a second component layer which are disposed mutually. The first component layer includes 40 to 70 weight percent of a FEVE fluorocarbon resin, 5 to 30 weight percent of an ether, 5 to 30 weight percent of an alcohol, 0.2 to 2.5 weight percent of a surface conditioner, 0.3 to 2.5 weight percent of a defoamer, and 0.2 to 2.5 weight percent of a shaker, and the second component layer includes 3 To 30% by weight of an isocyanate, and the weight percentage of the first component layer and the second component layer is 6: 1 to 16: 1. The anticorrosive fluorocarbon composition of the present invention uses a combination of various components and specific proportions, It can be self-drying at room temperature, and has the functions of high corrosion resistance, high chemical resistance and high weather resistance after completely drying.

Description

Anticorrosive fluorocarbon composition

This creation relates to an anticorrosive composition, and in particular to an anticorrosive fluorocarbon composition

The material of many structures is mainly metal. When it is in an environment with a high corrosion factor, it will cause the metal to corrode and greatly reduce its original performance. Therefore, corrosion protection will be performed on the structure to extend the metal structure. Life.

The conventional anti-corrosion methods mainly include electroplating, coating, hot dipping, and cathodic protection. Among them, in the coating method, the coating is used to form a film on the surface of the object to protect the surface of the object. Including epoxy resin, grease paint and latex paint.

However, the above coatings all have their shortcomings in use. For example, epoxy resins are not easy to dry, grease coatings have low corrosion resistance, are not easy to dry, are soft, and the flexibility and adhesion of latex paints are not good, resulting in limited applications. In summary, there is a need to improve the conventional coatings.

For this reason, the purpose of this creation is to provide an anticorrosive fluorocarbon composition that can be conveniently used and enhance its anticorrosive effect.

The technical means used to solve the problems of conventional technology in this creation is to provide an anticorrosive fluorocarbon composition, which includes a first component layer, including 40 to 70 weight percent of a FEVE fluorocarbon resin, and 5 to 30 weight percent of a Ethers, 5 to 30 weight percent of an alcohol, 0.2 to 2.5 weight percent of a surface modifier, 0.3 to 2.5 weight percent of a defoamer, and 0.2 to 2.5 weight percent of a shaker; and a second The component layer is disposed on the first component layer and includes 3 to 30 weight percent of an isocyanate, wherein the weight percentage of the first component layer and the second component layer is 6: 1 to 16: 1.

In an anti-corrosive fluorocarbon composition according to an embodiment of the present invention, the first component layer includes not more than 15 weight percent of a one-color mother pigment.

In an anti-corrosive fluorocarbon composition according to an embodiment of the present invention, the first component layer includes a catalyst not exceeding 2.5 weight percent.

In the anti-corrosive fluorocarbon composition according to an embodiment of the present invention, the second component layer includes not more than 30 weight percent of an ether.

In the anti-corrosive fluorocarbon composition according to an embodiment of the present invention, the second component layer includes not more than 30 weight percent of an alcohol.

In an anti-corrosive fluorocarbon composition according to an embodiment of the present invention, the weight percentage of the FEVE fluorocarbon resin is 50 to 60.

In an anti-corrosive fluorocarbon composition according to an embodiment of the present invention, the weight percentage of the isocyanate is 5 to 15.

In an anti-corrosive fluorocarbon composition according to an embodiment of the present invention, the ether is ethylene glycol butyl ether.

In an anti-corrosive fluorocarbon composition according to an embodiment of the present invention, the alcohol is n-butanol.

One of the other technical means adopted by the present author to solve the problems of the conventional technology is to provide an anticorrosive fluorocarbon composition as a metal anticorrosive application.

Through the technical means used in this creation, the anti-corrosive fluorocarbon composition is supplemented by the cross-linking bridge of the first component layer and the second component layer. It can be self-drying at room temperature, and has high corrosion resistance after completely drying. High chemical resistance and high weather resistance. Moreover, the anti-corrosive fluorocarbon composition can be cured at normal temperature or high temperature, and is convenient to use. In addition, according to factors such as the material of the substrate to be applied and the environment, the content of each component of the first component layer and the second component layer can be adjusted accordingly to achieve the best effect.

Hereinafter, an embodiment of the present invention will be described based on FIGS. 1 to 6b. This description is not intended to limit the implementation of this creation, but is an embodiment of this creation.

As shown in FIG. 1, an anticorrosive fluorocarbon composition 100 according to an embodiment of the present invention includes a first component layer 1 and a second component layer 2.

In detail, the first component layer 1 includes 40 to 70 weight percent of a FEVE fluorocarbon resin, 5 to 30 weight percent of an ether, 5 to 30 weight percent of an alcohol, and 0.2 to 2.5 weight percent of a surface. A conditioning agent, 0.3 to 2.5 weight percent of a defoamer, and 0.2 to 2.5 weight percent of a shaker. The second component layer 2 is disposed on the first component layer 1 and includes 3 to 30 weight percent of a monoisocyanate. The weight percentage of the first component layer and the second component layer is 6: 1 to 16: 1.

Preferably, the weight percentage of the FEVE fluorocarbon resin is 50 to 60, and the weight percentage of the isocyanate is 5 to 15.

In detail, the FEVE fluorocarbon resin may be a fluoroethylene-vinyl ether copolymer resin, the ethers may be ethylene glycol butyl ether, the alcohols may be n-butanol, and the defoaming agent may be selected from VersaFlow Base.

In addition, in other embodiments, the first component layer 1 may further include a color master pigment not exceeding 15% by weight and / or a catalyst not exceeding 2.5% by weight; and the second component layer 2 includes not more than 30% by weight. Percent monoethers and / or monoalcohols not exceeding 30 weight percent.

In this embodiment, the anti-corrosive fluorocarbon composition of the present invention is a paint, which is applied to the surface of an object by means of brushing, spraying, roller coating, etc., and is used for corrosion prevention, especially for metal corrosion prevention. Of course, this creation is not limited to this. The anti-corrosive fluorocarbon composition of this creation can also be applied to other materials for anti-corrosion. In detail, the first component layer and the second component layer of the anti-corrosive fluorocarbon composition of the present invention exist separately before use, and are overlapped with each other only when in use. It is worth noting that the storage temperature of the first component layer 1 and the second component layer 2 of the anti-corrosive fluorocarbon composition 100 of the present invention should not exceed 40 ° C and less than 5 ° C.

Referring to Fig. 2a and Fig. 2b, respectively, a galvanized steel sheet with the anticorrosive fluorocarbon composition (Fig. 2a) applied with the original composition and the anticorrosive fluorocarbon composition (Fig. 2b) without the original composition are applied. Salt spray test 2000 hours experimental test. It can be seen that the surface of the galvanized steel sheet (FIG. 2b) to which the anticorrosive fluorocarbon composition of the present invention is not applied is obviously rusted.

Similarly, referring to FIG. 3a and FIG. 3b, they are a corrosion-resistant fluorocarbon composition (FIG. 3a) and a corrosion-resistant fluorocarbon composition (this FIG. Figure 3b) Experimental test after 2000 hours of salt spray test. It can be seen that the surface of the magnesium-aluminum-zinc-coated steel sheet (FIG. 3b) to which the anticorrosive fluorocarbon composition of the present invention is not applied is obviously rusted.

Similarly, referring to Fig. 4a and Fig. 4b, respectively, a galvanized steel sheet having a thickness of 2.3 mm has an anti-corrosive fluorocarbon composition (FIG. 4a) to which the present invention has been applied and an anti-corrosive fluorocarbon to which the present invention has not been applied. The composition (Figure 4b) was experimentally tested for 250 hours in a salt spray test. It can be seen that the surface of the galvanized steel sheet (Fig. 4b) without the anticorrosive fluorocarbon composition of the present invention is obviously rusted.

Similarly, referring to FIG. 5a and FIG. 5b, they are a Mg-plated aluminum-zinc steel plate with a thickness of 2.3 mm, respectively, with an anticorrosive fluorocarbon composition (FIG. 5a) applied and the anti-corrosion composition not applied. The fluorocarbon composition (Figure 5b) was experimentally tested for 500 hours in a salt spray test. It can be seen that white rust was generated on the surface of the magnesium-aluminum-zinc-plated steel sheet (FIG. 5b) to which the corrosion-resistant fluorocarbon composition of the present invention was not applied.

Similarly, referring to Figs. 6a and 6b, they are respectively a corrosion-resistant fluorocarbon composition (FIG. 6a) with which the present invention has been applied and a corrosion-resistant fluorocarbon composition with which the present invention has not been applied (FIG. 6a). Figure 6b) Experimental test after 5wt% saline spray test for 480 hours. It can be seen that the surface of the hot-rolled weathering steel (Figure 6b) without applying the corrosion-resistant fluorocarbon composition of the present invention has obvious rust.

In summary, the anti-corrosive fluorocarbon composition of this creation is easy to use, easy to brush and spray, and can be self-drying at room temperature. It can also be roll-coated and baked to form a film; more importantly, the anti-corrosive fluorocarbon composition of this creation Regardless of whether the material has been baked or not, as long as the paint film is completely dry, it has excellent anti-corrosion effect.

The above descriptions and descriptions are merely illustrations of the preferred embodiments of this creation. Those with ordinary knowledge of this technology should make other modifications based on the scope of the patent application as defined below and the above description, but these modifications should still be made. It is within the scope of the rights of this creation for the spirit of creation.

100‧‧‧Anticorrosive fluorocarbon composition

1‧‧‧ first component layer

2‧‧‧Second component layer

FIG. 1 is a schematic diagram of an anti-corrosive fluorocarbon composition according to an embodiment of the present invention. Figure 2a is a photograph showing the test results of a galvanized steel sheet to which the inventive anti-corrosive fluorocarbon composition was applied. Figure 2b is a photograph showing the test results of a galvanized steel sheet without applying the anticorrosive fluorocarbon composition of the present invention; Figure 3a is showing the test results of a magnesium-plated aluminum-zinc plated steel sheet having the anticorrosive fluorocarbon composition of the present invention applied photo. Figure 3b is a photograph showing the test results of a magnesium-plated aluminum-zinc plated steel sheet to which the anticorrosive fluorocarbon composition of the present invention is not applied; Figure 4a is a test result of a galvanized steel sheet to which the inventive anticorrosive fluorocarbon composition is applied Photo; Fig. 4b is a photo showing the test results of a galvanized steel sheet without applying the anticorrosive fluorocarbon composition of the present invention; Fig. 5a is a photo of a magnesium-plated aluminum zinc plated steel sheet with the anticorrosive fluorocarbon composition of the present invention applied Photo of the test result; Figure 5b shows a photo of the test result of a magnesium-aluminum-zinc plated steel sheet without applying the anticorrosive fluorocarbon composition of the present invention; Figure 6a shows a hot rolling of the anticorrosive fluorocarbon composition of the present invention Photo of test results of weathering steel (copper-containing steel plate); Figure 6b shows a photo of the test results of a hot-rolled weathering steel (copper-containing steel plate) without applying the anticorrosive fluorocarbon composition of the present invention.

Claims (9)

An anti-corrosive fluorocarbon composition, comprising: a first component layer comprising 40 to 70 weight percent of a FEVE fluorocarbon resin, 5 to 30 weight percent of an ether, 5 to 30 weight percent of an alcohol, 0.2 to 2.5 weight percent of a surface modifier, 0.3 to 2.5 weight percent of a defoamer, and 0.2 to 2.5 weight percent of a shaker; and a second component layer disposed on the first component layer and including 3 to 30% by weight of a monoisocyanate, wherein the weight percentage of the first component layer and the second component layer is 6: 1 to 16: 1. The anti-corrosive fluorocarbon composition according to claim 1, wherein the first component layer includes not more than 15 weight percent of a one-color mother pigment. The anti-corrosive fluorocarbon composition according to claim 1, wherein the first component layer includes a catalyst in an amount of not more than 2.5% by weight. The anti-corrosive fluorocarbon composition according to claim 1, wherein the second component layer includes not more than 30% by weight of an ether. The anticorrosive fluorocarbon composition according to claim 1, wherein the second component layer comprises not more than 30% by weight of an alcohol. The anticorrosive fluorocarbon composition according to claim 1, wherein the weight percentage of the FEVE fluorocarbon resin is 50 to 60. The anticorrosive fluorocarbon composition according to claim 1, wherein the weight percentage of the isocyanate is 5 to 15. The anticorrosive fluorocarbon composition according to claim 1, wherein the ether is ethylene glycol butyl ether. The anticorrosive fluorocarbon composition according to claim 1, wherein the alcohol is n-butanol.