Microcapsule self-repair organic/inorganic polysiloxane paint and processing method

A technology of polysiloxane and polysiloxane resin, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problem of lack of shortage, and achieve the effect of strong anti-solution penetration performance and strong anti-corrosion performance

Inactive Publication Date: 2017-01-04
CHINA SPECIAL TYPE FLIER RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of this invention is to focus on how to improve the anti-corrosion performance of the coating for the current domestic research on anti-corrosion coatings, and how to repair the anti-corrosion performance of the coating and the metal under the coating after the coating deteriorates. The research on anti-corrosion coatings is insufficient, and a kind of microcapsule self-healing organic / inorganic polysiloxane coating and processing method are provided

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0043] The microcapsule self-healing organic / inorganic polysiloxane coating is characterized in that it includes two components, A and B,

[0044] The raw material composition of component A is calculated in parts by mass:

[0045] Organic-inorganic polysiloxane resin 30-100

[0046] Restorative Microcapsules 1-20

[0047] Pigment 1-10

[0048] Filler 20-50

[0049] Defoamer 0.1-5

[0050] Dispersant 3-10

[0051] Leveling agent 0.1-3

[0052] The raw material composition of component B is calculated in parts by mass:

[0053] Aminosilane 5-100

[0054] Solvent 0.5-30.

[0055] The processing method is:

[0056] 1) Preparation method of organic-inorganic polysiloxane resin

[0057] Hydrogenated bisphenol A epoxy resin, accounting for 20%~80% by mass, polysiloxane, accounting for 20%~80% by mass, the two are mixed and stirred evenly, in N 2 Heat up to 80°C under protection, then add organotin catalyst according to 0.5%~5% of the total mass of hydrogenated bisphenol A...

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Abstract

The invention relates to microcapsule self-repair organic/inorganic polysiloxane paint. The microcapsule self-repair organic/inorganic polysiloxane paint comprises organic-inorganic polysiloxane resin, reparative microcapsules, pigment, a filler, an antifoaming agent, a dispersing agent, a flatting agent, aminosilane and a solvent. The microcapsule self-repair organic/inorganic polysiloxane paint disclosed by the invention has the advantages that the microcapsule self-repair organic/inorganic polysiloxane paint not only can be used for protecting aluminum alloy materials but also can be used for protecting magnesium alloys, and steel, besides, the microcapsule self-repair organic/inorganic polysiloxane paint can repair defect positions when defects including scratches and scuffing appear, and the polysiloxane paint having a function of repairing corrosion can repair coating having anticorrosion property deterioration and metal under the coating in the use process of the coating.

Description

technical field [0001] The invention relates to the field of coatings, in particular to microcapsule self-healing organic / inorganic polysiloxane coatings. Background technique [0002] At present, the State of the Union in 2002 shows that the US Department of Defense spends as much as 20 billion US dollars on corrosion maintenance and repair each year, of which 4 billion is used for maintenance and repair of protective coatings. Therefore, the U.S. Department of Defense formulated the ACT (Active Coatings Technologies) strategy, using nanotechnology to develop a new generation of intelligent coatings that actively prevent / slow corrosion to reduce corrosion maintenance costs and ensure the attendance and service life of weapons and equipment. The early anti-corrosion coatings Micro-crack self-healing intelligent coating technology has attracted widespread attention. In the European patent document with application number 1153988A2, what is involved is "microcapsule type anti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/10C09D5/08C09D7/12C08G77/42
CPCC09D183/10C08G77/42C08L2205/18C09D5/08C09D7/61C09D7/63C08L61/24C08K13/02C08K5/544C08K5/548
Inventor 甘志宏邢新侠王广超王浩伟
Owner CHINA SPECIAL TYPE FLIER RES INST
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