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Epoxy resin adhesive for manufacturing blades of wind driven generator and preparation method thereof

A wind turbine, epoxy resin technology, applied in the direction of epoxy resin glue, adhesive, adhesive type, etc., can solve the technical requirements of wind turbine blades, the decrease of material strength and modulus, and the high cost of adhesives problems, to achieve the effect of improving toughness and anti-cracking performance, improving strength and modulus, and low material cost

Active Publication Date: 2010-10-06
四川东树新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

CN101550325A introduced acrylic acid chains in resin molecules, and CN101525439A introduced polyurethane chains in resin molecules, which would lead to a decrease in material strength and modulus, which could not meet the technical requirements of wind power generator blades above the megawatt level. For the manufacture of small wind turbine blades with small size and light weight
[0006] 2. The process of modifying epoxy resin with acrylic acid or polyurethane is cumbersome, the equipment investment is large, the preparation cycle is long, the cost of the prepared adhesive is high, and the economy is poor

Method used

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  • Epoxy resin adhesive for manufacturing blades of wind driven generator and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] Raw materials for the resin part: bisphenol A epoxy resin E-51-55 parts; 1,6-hexanediol diglycidyl ether-6 parts, allyl glycidyl ether-2 parts, glycidyl methacrylate -2 parts; nano-calcium carbonate-20 parts; vinylon fiber-6 parts, the fiber length is 300 microns; epoxy-terminated liquid nitrile rubber-3 parts, silane coupling agent KH560-1 part; organic bentonite-5 parts.

[0062] The raw materials of the curing agent part: polyetheramine D230-45 parts; nano calcium carbonate-28 parts; vinylon fiber-8 parts, the fiber length is 300 microns; organic bentonite-4 parts.

[0063] The nano-calcium carbonate powder plays the role of filling and anti-sedimentation, and the vinylon fiber mainly plays the role of strengthening and preventing the cracking of the adhesive matrix, and also plays the role of filling.

[0064] Preparation:

[0065] Prepare the mixing equipment, prepare the two parts of raw resin and curing agent separately, add the raw materials of the above resin ...

Embodiment 2

[0068] The raw materials of the resin part: bisphenol A type epoxy resin E-51-35 parts, bisphenol F type epoxy resin -15 parts; polypropylene glycol diglycidyl ether -3.5 parts, propylene oxide methyl ether -2 parts; Calcium carbonate whisker-13 parts, nanofiber wollastonite powder-10 parts; glass fiber-10 parts, the fiber length is 350 microns; carboxyl-terminated liquid nitrile rubber-4 parts, silane coupling agent KH560-1.5 parts; gas phase two Silica - 6 parts.

[0069] The raw materials of the curing agent part: polyetheramine D230-40 parts, isophorone diamine-10 parts, tetraethylenepentamine-3 parts; calcium carbonate whiskers-27 parts; glass fiber-10 parts, the fiber length is 350 micron; fumed silica - 5 parts.

[0070] The preparation method is the same as in Example 1.

Embodiment 3

[0072] Raw materials for the resin part: bisphenol F epoxy resin standard type - 32 parts; butanediol diglycidyl ether - 3 parts; nano silicon dioxide - 10 parts; carbon fiber - 8 parts, the fiber length is 180 microns; Silica - 3 parts.

[0073] The raw materials of the curing agent part: polyamide D230-40 parts; nano-silica-8 parts, zinc oxide whiskers-2 parts; carbon fiber-20 parts, the fiber length is 180 microns; fumed silica-2 parts.

[0074] The preparation method is the same as in Example 1.

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PUM

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Abstract

The invention discloses an epoxy resin adhesive for manufacturing blades of a wind driven generator and a preparation method thereof. The epoxy resin adhesive is prepared by combining a resin part and a curing agent part, wherein the resin part comprises epoxy resin, a dilutent, filler, a thixotropic agent and an auxiliary agent; the curing agent part comprises an amine curing agent, filler and athixotropic agent; and the filler comprises a powdery filler part and a fibrous filler part. The epoxy resin adhesive prepared by using the general epoxy resin has high strength, particularly furtherimproves the strength of materials by adding the fibrous filler, improves the anti-cracking performance of the materials, meets the special requirements of the blades of wind driven generators with megawatt or more on the materials and has low material cost and high economy.

Description

Technical field: [0001] The invention relates to an epoxy resin adhesive used for manufacturing blades of wind power generators and a preparation method of the adhesive, which is particularly suitable for manufacturing blades of megawatt-level wind power generators. Background technique: [0002] Wind power generation is non-polluting power generation and is a clean energy source full of vitality. The rapid development of wind power has become an inevitable trend. The main equipment that wind power generation relies on is the wind turbine. The most important and expensive part of the wind generator is the impeller. A single impeller accounts for about 20% of the cost of the entire wind generator. The key to the impeller is the blade, and the quality of the blade directly affects the quality of the blade. Affects the efficiency, lifetime and performance of wind turbines. The blades of wind turbines are mainly made of composite materials, especially for wind turbine blades ab...

Claims

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Application Information

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IPC IPC(8): C09J163/02C09J11/04C09J11/08
Inventor 周百能卢毅翟保利杨青海王萍钟连兵胡星肖毅
Owner 四川东树新材料有限公司
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