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A kind of antistatic-corrosion coating and preparation method thereof

An anti-corrosion coating and anti-static technology, applied in anti-corrosion coatings, coatings, conductive coatings, etc., can solve the problems of poor corrosion resistance of new low-density light alloys and light metal matrix composite materials, and achieve no change in appearance and excellent anti-corrosion. , the effect of low curing temperature

Inactive Publication Date: 2021-10-01
BEIJING SATELLITE MFG FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the problem of poor corrosion resistance of new low-density lightweight alloys and light metal matrix composites has become a bottleneck in the application of lightweight structures for spacecraft and new-generation weapons and equipment; Continuous development has put forward higher requirements for corrosion protection of new lightweight alloy materials (magnesium alloys, magnesium-lithium alloys, aluminum-based silicon carbide, aluminum-lithium alloys, etc.); at the same time, in order to meet high-orbit spacecraft under high vacuum conditions Therefore, it is urgent to carry out the research on the preparation method of graphene high-efficiency anti-corrosion and anti-static coating on the surface of light alloy.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] (1) Weigh 20g of zinc yellow epoxy resin (H06-2) and mix with 15g of conductive mica powder, 2g of silane coupling agent (KH550), 230g of butyl acetate and 100g of glass beads, stir for 3h, and rotate at 1000r / min ;

[0024] (2) Filter the mixed solution obtained in step (1) to remove the glass beads, add 8g of triethylenetetramine and stir and mature for 25min at a speed of 600r / min;

[0025] (3) Prepare a coating on the surface of the magnesium alloy (MB8) by spraying, with a single spraying of 15-20 μm and a total spraying thickness of 40-60 μm;

[0026] (4) 5g of graphene is mixed with 10g of polyurethane (TS01-3), 150g of butyl acetate and 60g of glass beads, stirred for 3h, and the rotating speed is 1000r / min;

[0027] (5) Filter the mixed solution obtained in step (4) to remove the glass beads, add 11.2 g of isocyanate curing agent (N3390) and stir and mature for 25 min at a speed of 600 r / min;

[0028] (6) On the coating prepared in step (3) by spraying method...

Embodiment 2

[0032] (1) Weigh 15g of zinc yellow epoxy resin (H06-2), 15g of conductive mica powder, 1.5g of silane coupling agent (KH560), 0.6g of silane coupling agent (KH550), 250g of butyl acetate and glass beads 100g mixed, stirred for 3h, the speed is 1000r / min;

[0033] (2) Filter the mixed solution obtained in step (1) to remove the glass beads, add 5g triethylenetetramine and 2g tetraethylenepentamine, stir and mature for 20min, and the rotating speed is 600r / min;

[0034] (3) Prepare a coating on the surface of the aluminum-lithium alloy (5A90) by spraying, with a single spraying of 15-20 μm and a total spraying thickness of 40-60 μm;

[0035] (4) 8g graphene is mixed with 10g polyurethane (TS01-3), 120g butyl acetate and 80g glass microspheres, stirred for 3h, and the rotating speed is 1000r / min;

[0036] (5) Filter the mixed solution obtained in step (4) to remove the glass beads, add 12g of isocyanate curing agent (N3390) and stir and mature for 20min, the rotating speed is 6...

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Abstract

The invention relates to an antistatic-anticorrosion coating and a preparation method thereof, in particular to a voltage-responsive anti-corrosion and antistatic coating suitable for light metal surfaces and a preparation method thereof, belonging to the technical field of surface engineering. The invention designs and develops a preparation method of a high-efficiency anti-corrosion and anti-static coating suitable for light metal surfaces. The coating adopts a double-layer composite structure, with conductive mica and zinc yellow epoxy paint as the base coating, modified graphene and polyurethane paint as the surface coating, and is prepared by spraying with excellent anti-corrosion and anti-static properties. coating. The coating material has good bonding force with light metal substrates and low curing temperature, and can be used for anti-corrosion and anti-static of aircraft.

Description

technical field [0001] The invention relates to an anti-static-anti-corrosion coating and a preparation method thereof, in particular to a voltage-responsive anti-corrosion and anti-static coating suitable for light metal surfaces and a preparation method thereof, belonging to the technical field of surface engineering. Background technique [0002] "High load capacity, long life, and long distance" has become an important development trend of my country's satellite platforms and weapons and equipment. With the development of spacecraft such as space-based radar satellites, military communication satellites, and military reconnaissance satellites, as well as the continuous deepening of asteroid detection and manned moon landing projects, the demand for lightweight structures of spacecraft is more urgent. [0003] However, the problem of poor corrosion resistance of new low-density lightweight alloys and light metal matrix composites has become a bottleneck in the application...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D5/08C09D5/24C09D7/61C09D175/04B05D7/16B05D1/38B05D1/02
CPCB05D1/02B05D7/16B05D7/546C09D5/002C09D5/08C09D5/24C09D163/00C09D175/04C09D7/61C08K3/24C08K3/34C08K3/042
Inventor 张有玮靳宇张家强白晶莹
Owner BEIJING SATELLITE MFG FACTORY
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