Anti-icing and abrasion-resistant coating suitable for blades of wind driven generator

A technology for wind turbine blades and wear-resistant coatings, which is applied in the field of anti-icing and wear-resistant coatings, wind turbine blade coatings, and can solve the problem that coatings cannot be anti-icing and wear-resistant at the same time

Active Publication Date: 2011-04-27
上海康达新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The present invention aims to solve the above problems, overcome the problem that the existing coatings cannot have anti-icing

Method used

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  • Anti-icing and abrasion-resistant coating suitable for blades of wind driven generator
  • Anti-icing and abrasion-resistant coating suitable for blades of wind driven generator
  • Anti-icing and abrasion-resistant coating suitable for blades of wind driven generator

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Experimental program
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Embodiment

[0048] Preparation:

[0049] Mix and grind polyester polyol resin or polyether polyol resin or polyaspartate resin with pigment (such as titanium dioxide), dispersant (such as organic phosphate, acrylate), solvent (such as propylene glycol methyl ether acetate) Prepared as a color paste. Combine solid additives with anti-icing properties, remaining polyol resins or polyaspartic ester resins, solvents (such as propylene glycol methyl ether acetate), catalysts (such as dibutylene dilaurate), additives, etc. at high speed (1750rpm) After dispersing for 20 minutes, slowly add to the color paste. Continue to disperse at high speed for 20 minutes to obtain component B of the coating.

[0050] The A component of the coating is in some cases purchased directly from the supplier, eg HDI trimer. Isocyanate derivatives and isocyanate prepolymers are self-synthesized. Synthetic method: put isocyanate, proportioned polyol and solvent into a reaction kettle, add 0.1% organotin catalyst ...

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Abstract

The invention discloses an anti-icing and abrasion-resistant coating for blades of a wind driven generator. The coating at least comprises two following components of: polyurethane resin and a solid additive with the anti-icing property and 3-15% by mass of the polyurethane resin. For the solid additive, the range of dielectric constant is 1 to 4, the range particle diameter is 0.5 micron to 200 microns, and the range of density is 0.8g/cm<3> to 4g/m<3>. The polyurethane resin consists of an A component and a B component by the reaction, wherein the A component at least comprises aliphatic isocyanate or aliphatic isocyanate derivates or aliphatic isocyanate polymer, and the B component at least comprises hydroxylated acrylic resin or polyester polyol or polyether polyol or polyaspartic ester or micro-molecule polyol chain extender. The invention has the anti-icing property and abrasion resistance at the same time, the adhesion force of the coating and the ice is smaller than 300N, and the abrasion is lower than 50mg; therefore, the invention is suitable for the protective coating materials of the blades of the wind driven generator.

Description

technical field [0001] The invention relates to a coating, in particular to an anti-icing and wear-resistant coating, which can be used for the coating of wind power blades. Background technique [0002] The resin matrix of wind turbine blades (referred to as wind turbine blades) is composed of epoxy or unsaturated resin, which is not resistant to ultraviolet light and loses strength rapidly in a short period of time in atmospheric aging environments. Therefore, it is necessary to apply a protective coating on the outside of the blade. However, this layer of protective coating not only needs to meet the requirements of weathering resistance for 20 years, but also needs anti-icing performance and wear resistance. [0003] For a long time, spontaneous icing on the surface of wind turbine blades at low temperature has become the main problem that plagues the operation of wind turbine blades in winter. In winter, the inland temperature can be as low as -10°C below zero, and a ...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D175/06C09D175/08C09D7/12C09D5/00
Inventor 李谌乔波侯一斌姚其胜陆企亭
Owner 上海康达新材料科技有限公司
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