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Preparing method for high-performance epoxy primer for engineering machinery

An epoxy primer and engineering machinery technology, applied in the field of mechanical equipment coatings, can solve problems such as the corrosion resistance and mechanical properties of primers that are not mentioned, and achieve the advantages of improving storage stability, enhancing cross-linking density, and improving force. Effect

Active Publication Date: 2016-01-06
洛阳双瑞防腐工程技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the patent does not mention the corrosion resistance and mechanical properties of the primer

Method used

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  • Preparing method for high-performance epoxy primer for engineering machinery
  • Preparing method for high-performance epoxy primer for engineering machinery
  • Preparing method for high-performance epoxy primer for engineering machinery

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Experimental program
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preparation example Construction

[0025] The preparation method of the present invention includes the preparation of component A and component B, wherein component A contains epoxy resin, wetting and dispersing agent, pigment and filler, antirust pigment, substrate wetting agent, thixotropic agent and Diluent, B component contains epoxy curing agent, diluent and accelerator.

[0026] The epoxy resin is produced by the Baling Petrochemical Branch of Sinopec Group Assets Management Co., Ltd. by melt-diluted 603 with a concentration of 70%, and produced by Beijing Jintong Letai Chemical Products Co., Ltd. by melt-diluted 604 with a concentration of 70%.

[0027] The BYK-220s and BYK-110 used in the wetting and dispersing agent are produced by BYK Chemicals, and the Dispers610 is produced by Tego Auxiliaries.

[0028] BYK-307 and BYK-323 used in the substrate wetting agent are produced by BYK Chemicals, and they function as leveling agents in the present invention.

[0029] The BYK-R605 used in the thixotropic ag...

Embodiment 1

[0033] Embodiment 1 formula sees the following table:

[0034]

[0035]

Embodiment 2

[0036] Embodiment 2 formula sees the following table:

[0037]

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Abstract

The invention relates to a preparing method for high-performance epoxy primer for engineering machinery. The preparing method comprises the steps of preparation of a component A, preparation of a component B and determination of the use matching ratio of the component A and the component B. The component A is prepared from epoxy resin, wetting dispersant, color filler, a rust-proof pigment, a base material wetting agent, a thixotropic agent and diluent. The component B is prepared from an epoxy hardener, diluent and accelerant. In the use process, the component A and the component B are blended according to the weight ratio of 5:1, and the high-performance epoxy primer for engineering machinery can be prepared; according to practical construction situations, 5-15 parts, by weight, of diluent can be added into 100 parts, by weight, of high-performance epoxy primer for engineering machinery to conduct dilution, the diluted epoxy primer is evenly stirred and then can be used for construction in the construction mode of spraying or rolling coating or brush coating, the crosslinking density of the high-performance epoxy primer for engineering machinery is enhanced, and the acid-based resistance and salt spray resistance property of a paint film are improved.

Description

technical field [0001] The invention belongs to the technical field of mechanical equipment coatings, and in particular relates to a preparation method of a high-performance epoxy primer for engineering machinery. Background technique [0002] Most construction machinery products are used outdoors and exposed to the atmosphere for a long time. Coastal areas are also subject to erosion by salt spray, rock dust, coal ash and pollution on construction sites, impact of stones, etc., and the working conditions are very harsh. Therefore, anti-corrosion coating is an important indicator and one of the technical difficulties to measure the quality of construction machinery products. [0003] Chinese patent 200810070953.X discloses an epoxy primer and its preparation method. The method first disperses and grinds titanium dioxide to a fineness of 20 μm, and then mixes it evenly with polymer epoxy resin, and then adds cyclohexanone solution Epoxy primer is obtained by high-speed dispe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/08
Inventor 刘虎冰张乐显董翔茹伟峰
Owner 洛阳双瑞防腐工程技术有限公司