阅读说明：本技术 防冰防腐不锈钢管材及其制备方法 (Anti-icing and anti-corrosion stainless steel pipe and preparation method thereof ) 是由 周华新 陈建华 王卫春 崔巩 沈程程 宋海滨 黄红生 于 2021-01-28 设计创作，主要内容包括：本发明公开了一种防冰防腐不锈钢管材及其制备方法,该管材包括不锈钢管材本体及设在其上的涂层,涂层包括聚氯乙烯树脂、乙烯基吡咯烷酮-甲基丙烯酸二甲基氨基乙酯共聚物、二氧化硅、微孔二氧化碳、氢氧化镁、玻璃纤维、碳纤维、聚丙烯纤维、含氟碳粉。本发明的涂层能够在零下冰层具有良好的附着力,而且喷涂在不锈钢管材表面,能够防止空气和水分进入不锈钢内,从而达到良好的防腐蚀效果。(The invention discloses an anti-icing and anti-corrosion stainless steel pipe and a preparation method thereof, wherein the pipe comprises a stainless steel pipe body and a coating arranged on the stainless steel pipe body, and the coating comprises polyvinyl chloride resin, vinyl pyrrolidone-dimethylaminoethyl methacrylate copolymer, silicon dioxide, microporous carbon dioxide, magnesium hydroxide, glass fiber, carbon fiber, polypropylene fiber and fluorine-containing carbon powder. The coating disclosed by the invention has good adhesive force on a subzero ice layer, and can prevent air and moisture from entering stainless steel when being sprayed on the surface of the stainless steel pipe, so that a good anti-corrosion effect is achieved.)

1. The anti-icing anticorrosive stainless steel pipe is characterized by comprising the following raw materials in parts by weight: an anti-icing and anti-corrosion stainless steel pipe comprises a stainless steel pipe body and a coating arranged on the stainless steel pipe body, wherein the coating comprises polyvinyl chloride resin, vinyl pyrrolidone-methacrylic acid dimethyl amino ethyl ester copolymer, silicon dioxide, microporous carbon dioxide, magnesium hydroxide, glass fiber, carbon fiber, polypropylene fiber and fluorine-containing carbon powder.

2. The anti-icing and anti-corrosion stainless steel pipe material as claimed in claim 1, wherein the polyvinyl chloride resin is 50-60 parts by weight, the vinylpyrrolidone-dimethylaminoethyl methacrylate copolymer is 20-30 parts by weight, the silicon dioxide is 40-60 parts by weight, the microporous carbon dioxide is 20-30 parts by weight, the magnesium hydroxide is 10-20 parts by weight, the glass fiber is 10-20 parts by weight, the carbon fiber is 20-40 parts by weight, the polypropylene fiber is 20-30 parts by weight, and the fluorine-containing carbon powder is 10-30 parts by weight.

3. The anti-icing and anti-corrosion stainless steel pipe material as claimed in claim 2, wherein the polyvinyl chloride resin comprises 55 parts by weight of polyvinyl chloride resin, 25 parts by weight of vinylpyrrolidone-dimethylaminoethyl methacrylate copolymer, 50 parts by weight of silica, 25 parts by weight of microporous carbon dioxide, 15 parts by weight of magnesium hydroxide, 15 parts by weight of glass fiber, 30 parts by weight of carbon fiber, 25 parts by weight of polypropylene fiber and 20 parts by weight of fluorine-containing carbon powder.

4. The anti-icing and anti-corrosion stainless steel pipe material as claimed in claim 2, wherein the polyvinyl chloride resin is 50 parts by weight, the vinylpyrrolidone-dimethylaminoethyl methacrylate copolymer is 20 parts by weight, the silica is 40 parts by weight, the microporous carbon dioxide is 20 parts by weight, the magnesium hydroxide is 10 parts by weight, the glass fiber is 10 parts by weight, the carbon fiber is 20 parts by weight, the polypropylene fiber is 20 parts by weight, and the fluorine-containing carbon powder is 10 parts by weight.

5. The anti-icing and anti-corrosion stainless steel pipe material as claimed in claim 2, wherein the polyvinyl chloride resin is 60 parts, the vinylpyrrolidone-dimethylaminoethyl methacrylate copolymer is 30 parts, the silicon dioxide is 60 parts, the microporous carbon dioxide is 30 parts, the magnesium hydroxide is 20 parts, the glass fiber is 20 parts, the carbon fiber is 40 parts, the polypropylene fiber is 30 parts, and the fluorine-containing carbon powder is 30 parts by weight.

6. The anti-icing and anti-corrosion stainless steel pipe material as claimed in claim 1, wherein the polyvinyl chloride resin comprises 52 parts by weight, the vinylpyrrolidone-dimethylaminoethyl methacrylate copolymer comprises 22 parts by weight, the silica comprises 43 parts by weight, the microporous carbon dioxide comprises 23 parts by weight, the magnesium hydroxide comprises 16 parts by weight, the glass fiber comprises 17 parts by weight, the carbon fiber comprises 27 parts by weight, the polypropylene fiber comprises 27 parts by weight, and the fluorine-containing carbon powder comprises 12 parts by weight.

7. The method for preparing the anti-icing and anti-corrosion stainless steel pipe material according to claim 6, comprising the following steps of: the coating is combined with the stainless steel body in a spraying mode, and the spraying thickness is 0.5-1 mm.

8. The method for preparing the anti-icing and anti-corrosion stainless steel pipe material as claimed in claim 6, wherein the coating is prepared by the following steps: mixing polyvinyl chloride resin and a vinyl pyrrolidone-dimethylaminoethyl methacrylate copolymer, heating to 120-140 ℃, reacting for 2h, adding silicon dioxide, microporous carbon dioxide, magnesium hydroxide, glass fiber, carbon fiber, polypropylene fiber and fluorine-containing carbon powder, and uniformly mixing.

Technical Field

The invention belongs to the field of coatings, and particularly relates to an anti-icing and anti-corrosion stainless steel pipe and a preparation method thereof.

Background

Stainless steel is short for stainless acid-resistant steel, and steel grade which is resistant to weak corrosive media such as air, steam and water or has stainless property is called stainless steel.

The Chinese patent application with the application number of CN201120347169.6 discloses a wear-resistant, high-temperature-resistant and anti-corrosion composite coating for a steel structure sprayed with stainless steel, which comprises a stainless steel coating and a high-temperature-resistant and anti-corrosion coating, wherein the coating thickness of the stainless steel coating is 180-micron and 220-micron, and the coating thickness of the high-temperature-resistant and anti-corrosion coating is 100-micron and 150-micron. The utility model discloses owing to adopted the composite coating who comprises stainless steel coating and high temperature resistant anticorrosive paint coating, have wear-resisting high temperature resistant characteristics.

Disclosure of Invention

The invention provides an anti-icing and anti-corrosion stainless steel pipe and a preparation method thereof, aiming at solving the defects of the prior art, and the anti-icing and anti-corrosion stainless steel pipe can prevent air and moisture from entering stainless steel, thereby achieving a good anti-corrosion effect.

In order to solve the technical problems, the invention adopts the following technical scheme:

the anti-icing and anti-corrosion stainless steel pipe comprises the following raw materials in parts by weight: an anti-icing and anti-corrosion stainless steel pipe comprises a stainless steel pipe body and a coating arranged on the stainless steel pipe body, wherein the coating comprises polyvinyl chloride resin, vinyl pyrrolidone-methacrylic acid dimethyl amino ethyl ester copolymer, silicon dioxide, microporous carbon dioxide, magnesium hydroxide, glass fiber, carbon fiber, polypropylene fiber and fluorine-containing carbon powder.

Preferably, the polyvinyl chloride resin comprises, by weight, 50-60 parts of polyvinyl chloride resin, 20-30 parts of vinyl pyrrolidone-dimethylaminoethyl methacrylate copolymer, 40-60 parts of silicon dioxide, 20-30 parts of microporous carbon dioxide, 10-20 parts of magnesium hydroxide, 10-20 parts of glass fiber, 20-40 parts of carbon fiber, 20-30 parts of polypropylene fiber and 10-30 parts of fluorine-containing carbon powder.

Preferably, the polyvinyl chloride resin comprises 55 parts by weight of polyvinyl chloride resin, 25 parts by weight of vinyl pyrrolidone-dimethylaminoethyl methacrylate copolymer, 50 parts by weight of silicon dioxide, 25 parts by weight of microporous carbon dioxide, 15 parts by weight of magnesium hydroxide, 15 parts by weight of glass fiber, 30 parts by weight of carbon fiber, 25 parts by weight of polypropylene fiber and 20 parts by weight of fluorine-containing carbon powder.

Preferably, the polyvinyl chloride resin comprises 50 parts by weight of polyvinyl chloride resin, 20 parts by weight of vinyl pyrrolidone-dimethylaminoethyl methacrylate copolymer, 40 parts by weight of silicon dioxide, 20 parts by weight of microporous carbon dioxide, 10 parts by weight of magnesium hydroxide, 10 parts by weight of glass fiber, 20 parts by weight of carbon fiber, 20 parts by weight of polypropylene fiber and 10 parts by weight of fluorine-containing carbon powder.

Preferably, the polyvinyl chloride resin comprises 60 parts by weight of polyvinyl chloride resin, 30 parts by weight of vinyl pyrrolidone-dimethylaminoethyl methacrylate copolymer, 60 parts by weight of silicon dioxide, 30 parts by weight of microporous carbon dioxide, 20 parts by weight of magnesium hydroxide, 20 parts by weight of glass fiber, 40 parts by weight of carbon fiber, 30 parts by weight of polypropylene fiber and 30 parts by weight of fluorine-containing carbon powder.

Preferably, the polyvinyl chloride resin comprises, by weight, 52 parts of polyvinyl chloride resin, 22 parts of vinylpyrrolidone-dimethylaminoethyl methacrylate copolymer, 43 parts of silicon dioxide, 23 parts of microporous carbon dioxide, 16 parts of magnesium hydroxide, 17 parts of glass fiber, 27 parts of carbon fiber, 27 parts of polypropylene fiber and 12 parts of fluorine-containing carbon powder.

A preparation method of an anti-icing and anti-corrosion stainless steel pipe comprises the following steps: the coating is combined with the stainless steel body in a spraying mode, and the spraying thickness is 0.5-1 mm.

Preferably, the preparation method of the coating is as follows: mixing polyvinyl chloride resin and a vinyl pyrrolidone-dimethylaminoethyl methacrylate copolymer, heating to 120-140 ℃, reacting for 2h, adding silicon dioxide, microporous carbon dioxide, magnesium hydroxide, glass fiber, carbon fiber, polypropylene fiber and fluorine-containing carbon powder, and uniformly mixing.

The invention has the following beneficial effects: the coating disclosed by the invention has good adhesive force on a subzero ice layer, and can prevent air and moisture from entering stainless steel when being sprayed on the surface of the stainless steel pipe, so that a good anti-corrosion effect is achieved.

Detailed Description

The present invention will be described in further detail with reference to specific examples.

Example 1

The anti-icing and anti-corrosion stainless steel pipe comprises the following raw materials in parts by weight: an anti-icing and anti-corrosion stainless steel pipe comprises a stainless steel pipe body and a coating arranged on the stainless steel pipe body, wherein the coating comprises polyvinyl chloride resin, vinyl pyrrolidone-methacrylic acid dimethyl amino ethyl ester copolymer, silicon dioxide, microporous carbon dioxide, magnesium hydroxide, glass fiber, carbon fiber, polypropylene fiber and fluorine-containing carbon powder.

55 parts of polyvinyl chloride resin, 25 parts of vinyl pyrrolidone-dimethylaminoethyl methacrylate copolymer, 50 parts of silicon dioxide, 25 parts of microporous carbon dioxide, 15 parts of magnesium hydroxide, 15 parts of glass fiber, 30 parts of carbon fiber, 25 parts of polypropylene fiber and 20 parts of fluorine-containing carbon powder.

The preparation method of the coating comprises the following steps: mixing polyvinyl chloride resin and a vinyl pyrrolidone-dimethylaminoethyl methacrylate copolymer, heating to 120-140 ℃, reacting for 2h, adding silicon dioxide, microporous carbon dioxide, magnesium hydroxide, glass fiber, carbon fiber, polypropylene fiber and fluorine-containing carbon powder, and uniformly mixing.

A preparation method of an anti-icing and anti-corrosion stainless steel pipe comprises the following steps: the coating is combined with the stainless steel body in a spraying mode, and the spraying thickness is 0.5-1 mm.

Example 2

The anti-icing and anti-corrosion stainless steel pipe comprises the following raw materials in parts by weight: an anti-icing and anti-corrosion stainless steel pipe comprises a stainless steel pipe body and a coating arranged on the stainless steel pipe body, wherein the coating comprises polyvinyl chloride resin, vinyl pyrrolidone-methacrylic acid dimethyl amino ethyl ester copolymer, silicon dioxide, microporous carbon dioxide, magnesium hydroxide, glass fiber, carbon fiber, polypropylene fiber and fluorine-containing carbon powder.

The polyvinyl chloride resin comprises, by weight, 50 parts of polyvinyl chloride resin, 20 parts of vinyl pyrrolidone-dimethylaminoethyl methacrylate copolymer, 40 parts of silicon dioxide, 20 parts of microporous carbon dioxide, 10 parts of magnesium hydroxide, 10 parts of glass fiber, 20 parts of carbon fiber, 20 parts of polypropylene fiber and 10 parts of fluorine-containing carbon powder.

The preparation method of the coating comprises the following steps: mixing polyvinyl chloride resin and a vinyl pyrrolidone-dimethylaminoethyl methacrylate copolymer, heating to 120-140 ℃, reacting for 2h, adding silicon dioxide, microporous carbon dioxide, magnesium hydroxide, glass fiber, carbon fiber, polypropylene fiber and fluorine-containing carbon powder, and uniformly mixing.

A preparation method of an anti-icing and anti-corrosion stainless steel pipe comprises the following steps: the coating is combined with the stainless steel body in a spraying mode, and the spraying thickness is 0.5-1 mm.

Example 3

The anti-icing and anti-corrosion stainless steel pipe comprises the following raw materials in parts by weight: an anti-icing and anti-corrosion stainless steel pipe comprises a stainless steel pipe body and a coating arranged on the stainless steel pipe body, wherein the coating comprises polyvinyl chloride resin, vinyl pyrrolidone-methacrylic acid dimethyl amino ethyl ester copolymer, silicon dioxide, microporous carbon dioxide, magnesium hydroxide, glass fiber, carbon fiber, polypropylene fiber and fluorine-containing carbon powder.

The material comprises, by weight, 60 parts of polyvinyl chloride resin, 30 parts of vinyl pyrrolidone-dimethylaminoethyl methacrylate copolymer, 60 parts of silicon dioxide, 30 parts of microporous carbon dioxide, 20 parts of magnesium hydroxide, 20 parts of glass fiber, 40 parts of carbon fiber, 30 parts of polypropylene fiber and 30 parts of fluorine-containing carbon powder.

The preparation method of the coating comprises the following steps: mixing polyvinyl chloride resin and a vinyl pyrrolidone-dimethylaminoethyl methacrylate copolymer, heating to 120-140 ℃, reacting for 2h, adding silicon dioxide, microporous carbon dioxide, magnesium hydroxide, glass fiber, carbon fiber, polypropylene fiber and fluorine-containing carbon powder, and uniformly mixing.

A preparation method of an anti-icing and anti-corrosion stainless steel pipe comprises the following steps: the coating is combined with the stainless steel body in a spraying mode, and the spraying thickness is 0.5-1 mm.

Example 4

The anti-icing and anti-corrosion stainless steel pipe comprises the following raw materials in parts by weight: an anti-icing and anti-corrosion stainless steel pipe comprises a stainless steel pipe body and a coating arranged on the stainless steel pipe body, wherein the coating comprises polyvinyl chloride resin, vinyl pyrrolidone-methacrylic acid dimethyl amino ethyl ester copolymer, silicon dioxide, microporous carbon dioxide, magnesium hydroxide, glass fiber, carbon fiber, polypropylene fiber and fluorine-containing carbon powder.

The polyvinyl chloride resin comprises, by weight, 52 parts of polyvinyl chloride resin, 22 parts of vinyl pyrrolidone-dimethylaminoethyl methacrylate copolymer, 43 parts of silicon dioxide, 23 parts of microporous carbon dioxide, 16 parts of magnesium hydroxide, 17 parts of glass fiber, 27 parts of carbon fiber, 27 parts of polypropylene fiber and 12 parts of fluorine-containing carbon powder.

The preparation method of the coating comprises the following steps: mixing polyvinyl chloride resin and a vinyl pyrrolidone-dimethylaminoethyl methacrylate copolymer, heating to 120-140 ℃, reacting for 2h, adding silicon dioxide, microporous carbon dioxide, magnesium hydroxide, glass fiber, carbon fiber, polypropylene fiber and fluorine-containing carbon powder, and uniformly mixing.

A preparation method of an anti-icing and anti-corrosion stainless steel pipe comprises the following steps: the coating is combined with the stainless steel body in a spraying mode, and the spraying thickness is 0.5-1 mm.

Comparative example 1

The difference from example 1 is that: the vinylpyrrolidone-dimethylaminoethyl methacrylate copolymer was not added. And (3) performance testing: the anticorrosive material is sprayed on the surface of a stainless steel pipe, the spraying temperature is 360 ℃, the adhesion of an ice layer is tested, the freezing temperature is controlled to be-20 ℃, the ice pushing speed is 1mm/s, a constant-temperature circulating cooling box is adopted for cooling, and the adhesion of the ice layer is tested according to the shear strength required by pushing down an ice column.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and any simple changes or equivalent substitutions of the technical solutions that can be obviously obtained by those skilled in the art within the technical scope of the present invention are within the scope of the present invention.