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Process method capable of removing isocyanate-type flexible anticorrosion composite coating for power generator

A technology for removing isocyanate and composite coatings, which is applied in the technical field of isocyanate-removable flexible anti-corrosion composite coatings for generators. It can solve problems such as limited anti-corrosion performance, failure to meet anti-corrosion requirements, and limited application range. Excellent performance, adjustable curing time, sufficient wetting effect

Inactive Publication Date: 2019-12-31
HARBIN ELECTRIC MASCH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to its limited anti-corrosion performance, it cannot meet the anti-corrosion requirements of high salt spray and high temperature and high humidity environments, which greatly limits its application range in the surface protection of generator finishing.

Method used

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  • Process method capable of removing isocyanate-type flexible anticorrosion composite coating for power generator

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Embodiment Construction

[0018] like figure 1 As shown, the process method of the isocyanate-type flexible anti-corrosion composite coating for generators, the composite coating is made of a single-component polybutadiene elastomer removable coating as the base coating and isocyanate-type flexible coating The first layer is composed of surface coating, and the specific coating process is as follows:

[0019] Step 1: Pretreatment of the metal substrate. Use a white cotton cloth dipped in cleaning solvent to wipe and clean the finished surface of the generator components to remove surface grease, stains and foreign particles. Finally, use a white cotton cloth dipped in ethanol to wipe and check the fineness. After processing the cleaning effect of the surface, observe whether there are stains on the cotton cloth. If there are residues, clean them again.

[0020] Step 2: On the finished surface after cleaning described in step 1), use a brushing method to perform the construction operation of the one-co...

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Abstract

The invention discloses a process method capable of removing an isocyanate-type flexible anticorrosion composite coating for a power generator. According to the process method, under the condition ofnot using a cleaning solvent, the whole composite coating can be conveniently and quickly removed and has ultraviolet-aging-resistant performance and high water-tolerant performance, and the salt mistcorrosion resistance capacity of the composite coating is more than two times that of a traditional sealing anti-rust material. The process method is easy and convenient to operate, easy to control and wide in application prospect and has an obvious effect. The problem is solved that the finishing surface of a power generator component is rusted frequently under the high-salt-mist, high-temperature and high-humidity exposed environment. The social and economic benefits are obvious.

Description

Technical field: [0001] The invention discloses a process method of a removable isocyanate type flexible anticorrosion composite coating for a generator. Background technique: [0002] The traditional anti-corrosion method for the finishing surface of generator components is to apply solvent-diluted anti-rust agent (including hard film anti-rust agent and wax film anti-rust agent) for anti-corrosion treatment, and then carry out the anti-corrosion treatment before transporting to the construction site for installation. The surface is cleaned and restored to the original state of the machined surface. However, in the actual use process, it was found that cleaning the hard film antirust agent and the wax film antirust agent requires a large amount of cleaning solvent to be soaked and wiped repeatedly to remove it, which not only seriously pollutes the environment, but also has a long treatment cycle and high treatment cost. Especially for the cleaning of the hard film antirus...

Claims

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Application Information

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IPC IPC(8): B05D5/00B05D7/14B05D7/24C09D5/08C09D5/20
CPCB05D5/00B05D7/14B05D7/24B05D7/534B05D2451/00B05D2507/00B05D2518/00C09D5/08C09D5/20B05D2420/01B05D2420/02
Inventor 李鹏苗旺周帅簪竹青徐善清邓小民刘海洋郑超
Owner HARBIN ELECTRIC MASCH CO LTD
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