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Coating for wind power generation blades

A technology for wind power generation blades and coatings, applied in coatings and other directions, can solve problems such as adhesion, wear resistance, low temperature stability, and non-icing of the surface layer, and achieve excellent weather resistance, good hydrophobicity, and improved wear resistance.

Inactive Publication Date: 2014-04-16
JIANGSU UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the existing coatings used for wind power generation blades cannot simultaneously have excellent adhesion, weather resistance, flexibility, wear resistance, low temperature stability, surface non-freezing performance and curing speed, and provide a Coatings for wind power blades with excellent adhesion, weather resistance, flexibility, abrasion resistance, low temperature stability, surface non-icing performance and curing speed

Method used

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  • Coating for wind power generation blades

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] Prepared according to the following mass percentage content feeding ratio:

[0011] Polyvinyl butyral 20%;

[0012] Hydroxy acrylic resin 20%;

[0013] Ethoxy-terminated Dimethicone 35%;

[0014] Ethanol 8%;

[0015] n-Butanol 10%;

[0016] al 2 o 3 5%;

[0017] SiO 2 2%.

[0018] Dissolve polyvinyl butyral in a solution mixed with ethanol and n-butanol, then add ethoxy-terminated dimethylpolysiloxane and hydroxyacrylic resin to the system, stir well and react at room temperature 4 hours; Add Al to the product obtained above 2 o 3 with SiO 2 Disperse, grind and filter to obtain the coating for wind power generation blades. The above-mentioned paint was sprayed on the tinplate sheet, and the test results of various technical indicators are shown in Table 1.

Embodiment 2

[0020] Prepared according to the following mass percentage content feeding ratio:

[0021] Polyvinyl butyral 23%;

[0022] Hydroxy Acrylic Resin 18%;

[0023] Ethoxy-terminated Dimethicone 34%;

[0024] Ethanol 8.3%;

[0025] n-Butanol 9.7%;

[0026] al 2 o 3 5.2%;

[0027] SiO 2 1.8%.

[0028] Dissolve polyvinyl butyral in a solution mixed with ethanol and n-butanol, then add ethoxy-terminated dimethylpolysiloxane and hydroxyacrylic resin to the system, stir well and react at room temperature 4 hours; Add Al to the product obtained above 2 o 3 with SiO 2 Disperse, grind and filter to obtain the coating for wind power generation blades. The above-mentioned paint was sprayed on the tinplate sheet, and the test results of various technical indicators are shown in Table 1.

Embodiment 3

[0030] Prepared according to the following mass percentage content feeding ratio:

[0031] Polyvinyl butyral 25%;

[0032] Hydroxy Acrylic Resin 17%;

[0033] Ethoxy-terminated Dimethicone 33%;

[0034] Ethanol 9.6%;

[0035] n-Butanol 8.4%;

[0036] al 2 o 3 5.4%;

[0037] SiO 2 1.6%.

[0038] Dissolve polyvinyl butyral in a solution mixed with ethanol and n-butanol, then add ethoxy-terminated dimethylpolysiloxane and hydroxyacrylic resin to the system, stir well and react at room temperature 4 hours; Add Al to the product obtained above 2 o 3 with SiO 2 Disperse, grind and filter to obtain the coating for wind power generation blades. The above-mentioned paint was sprayed on the tinplate sheet, and the test results of various technical indicators are shown in Table 1.

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Abstract

The invention discloses a coating for wind power generation blades. The coating comprises the following components according to mass percents: 20-35% of polyvinyl butyral, 10-20% of hydroxylated acrylic resin, 30-35% of ethoxy end capped dimethyl polysiloxane, 8-10% of alcohol, 8-10% of n-butyl alcohol, 5-6% of A12O3 and 0.5-2% of SiO. The coating for the wind power generation blades provided by the invention has the advantages of excellent adhesive force, weather resistance, flexibility, abrasion resistance, low temperature stability, surface non-freezing performance and curing speed.

Description

technical field [0001] The invention belongs to the technical field of coatings, and relates to a coating used for wind power generation blades. Background technique [0002] Wind energy is an inexhaustible resource in nature, so wind power has become an important alternative energy source and is developing rapidly. Wind power generating units are generally located in coastal and desert areas, facing high-intensity ultraviolet radiation and wind and sand erosion, etc. The harsh environment they often face puts forward stricter requirements for coatings for wind power blades. Specifically, the adhesion, weather resistance, flexibility, wear resistance, low temperature stability, non-icing performance of the surface layer and curing speed of the coating are required to be outstanding. A large number of studies have been carried out by scientific and technical personnel for the above requirements, but most of them only meet one or part of the above requirements, such as CN1016...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D129/14C09D133/00C09D183/04C09D7/12
Inventor 李照磊高延敏
Owner JIANGSU UNIV OF SCI & TECH
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