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Preparation method of wear-resistant toughened anticorrosive adhesive

An anti-corrosion adhesive and toughening technology, applied in the direction of adhesives, epoxy resin adhesives, adhesive types, etc., can solve the problem of poor elasticity of fluorocarbon polymers, long curing cycle of furan cement, weak adhesion of phenolic cement, etc. problems, to achieve the effect of good wear resistance and flexibility, strong adhesion, and short curing cycle

Inactive Publication Date: 2015-08-19
CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, phenolic cement has weak cohesive force and poor impermeability; the curing period of furan cement is too long, and the curing period needs to be more than 15 days; fluorocarbon polymers have poor elasticity

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0019] Epoxy resin: 30%

[0020] Acetone: 30%

[0021] Phenolic resin: 15%

[0022] Vulcanized rubber: 10%

[0023] Mica iron oxide: 5%

[0024] Polyisobutylene: 5%

[0025] Polymerized rosin: 2.5%

[0026] Antioxidant 1010: 2.5%

[0027] According to the above formula, the ingredients are mixed, stirred evenly in a mixer, and then extruded through a reaction extruder to obtain the antiseptic glue.

example 2

[0029] Polyurethane: 35%

[0030] Xylene: 25%

[0031] Fatty acid diethylenetriamine: 15%

[0032] Vulcanized rubber: 10%

[0033] Mica iron oxide: 5%

[0034] Polyisobutylene: 5%

[0035] Polymerized rosin: 2.5%

[0036] Antioxidant 1010: 2.5%

[0037] According to the above formula, the ingredients are mixed, stirred evenly in a mixer, and then extruded through a reaction extruder to obtain the antiseptic glue.

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Abstract

The invention discloses a preparation method of a wear-resistant toughened anticorrosive adhesive. The anticorrosive adhesive is a light grey viscous liquid, and is prepared from an epoxy resin (or polyurethane), vulcanized rubber, acetone (or xylene), a phenolic resin (or fatty acid diethylenetriamine), polyisobutylene, polymerized rosin, an antioxidant 1010 and mica iron oxide (alpha-Fe2O3) according to certain proportion. The novel anticorrosive adhesive has the advantages of high vertical attachment peel strength, water resistance, heat resistance, impact resistance, corrosion resistance and simple construction technique, can be cured to form a film at normal temperature, is suitable for corrosion resistance of steam condenser copper pipe ends and seepage prevention of copper pipe expanded openings, and can also be used for corrosion resistance and seepage prevention of similar equipment.

Description

technical field [0001] The invention relates to a preparation method of an anti-corrosion and anti-seepage material for a condenser of a condensing power plant. Specifically, it relates to a preparation method of a novel anti-corrosion glue. The anti-corrosion adhesive can be used for anti-corrosion and anti-seepage of similar equipment in addition to the anti-corrosion of copper pipe ends of condensers and the anti-seepage of copper pipe expansion. Background technique [0002] The condenser is an important part of the generator set. Once the condenser has quality problems, it will cause huge losses to the production of the entire thermal power plant. Due to the particularity of the working environment of the condenser, the condenser is prone to corrosion during its use. The corrosion of the condenser is mainly the corrosion of its copper pipes. Corrosion and fouling of steam turbines. The study found that 38% of large-scale thermal power generation unit corrosion accide...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J163/00C09J175/04C09J161/06C09J11/04
Inventor 朱志平乔越银朝晖代陈林
Owner CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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