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Lightning-stroke-resistant composite coating, spraying method thereof and lightning-stroke-resistant aluminum skin

A composite coating and anti-lightning technology, applied in the field of anti-lightning composite coating and anti-lightning aluminum skin, can solve problems such as detonation, and achieve the effects of reducing temperature rise, improving safety performance and simple operation

Pending Publication Date: 2021-11-19
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because even if it is not broken down, if the temperature on the back exceeds the self-ignition point of oil and gas, there will be a risk of detonating oil and gas

Method used

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  • Lightning-stroke-resistant composite coating, spraying method thereof and lightning-stroke-resistant aluminum skin
  • Lightning-stroke-resistant composite coating, spraying method thereof and lightning-stroke-resistant aluminum skin
  • Lightning-stroke-resistant composite coating, spraying method thereof and lightning-stroke-resistant aluminum skin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] In parts by weight, 28 parts of hydroxyl-terminated polyether BASF LF901; 23 parts of isocyanate resin Huntsman 5005; 23 parts of fluorosilicon modified resin; 13 parts of closed-cell ceramic powder with a diameter of 80 microns; 7 parts of carbon nano-conductive scales parts, and a total of 6 parts of reactive diluent RD-601, German BYK-344 leveling agent and BASF yellow color paste, mixed to obtain A1 component. In parts by weight, 53 parts of amino-terminated resin; 25 parts of BASF chain extender ADR4368C; 6 parts of carbon nano-conductive flakes; German BYK-344 leveling agent, German Henkel company Texaphor dispersant, French SYNTHRO-THIX 905S thickener agent and 16 parts of German BYK-420 anti-settling agent, mixed to obtain B1 component.

Embodiment 2

[0050] In parts by weight, 26 parts of hydroxyl-terminated polyether BASF LF901; 25 parts of isocyanate resin Japan MR200; 22 parts of silicone resin; 10 parts of closed-cell perlite with a diameter of 50 microns; Thinner RD-601, German BYK-344 leveling agent and BASF yellow colorant total 10 parts, mix to get A2 component. In parts by weight, take 50 parts of amino-terminated resins; 25 parts of BASF amino chain extender ARD4370; 6 parts of carbon nano-conductive scales; German BYK-344 leveling agent, German Henkel company Texaphor dispersant, French SYNTHRO-THIX 905S additive Thickener and 19 parts of German BYK-420 anti-sedimentation agent were mixed to obtain B2 component.

Embodiment 3

[0052] In parts by weight, 30 parts of hydroxyl-terminated polyether BASF LF901; 23 parts of isocyanate resin Bayer 44V20; 20 parts of fluororesin; 10 parts of closed-cell glass microspheres with a diameter of 10 microns; 7 parts of carbon nanoconductive scales and active dilution A total of 10 parts of agent RD-601, German BYK-344 leveling agent and BASF yellow color paste were mixed to obtain A3 component. In parts by weight, take 50 parts of amino-terminated resin; 22 parts of American secondary ammonia chain extender G18; 5 parts of carbon nano-conductive flakes; German BYK-344 leveling agent, German Henkel company Texaphor dispersant, French SYNTHRO-THIX 905S A total of 16 parts of thickener and German BYK-420 anti-settling agent, and 7 parts of aluminum powder pigment are mixed to obtain component B3.

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Abstract

The invention provides an anti-lightning stroke composite coating which comprises a component A and a component B. The component A contains hydroxyl-terminated polyether and isocyanate resin, and the component B contains amino-terminated resin and an amino-terminated chain extender. The component A and the component B are stored respectively and mixed in the spraying process. According to the coating, the lightning stroke resistance of the aluminum skin can be improved, the temperature rise of an aluminum reticulated shell after lightning stroke can be reduced, and the explosion risk of the flammable and combustible substance storage tank after lightning stroke can be prevented. Meanwhile, the overall weight of the anti-lightning aluminum reticulated shell can be effectively controlled, and the manufacturing cost of the anti-lightning aluminum reticulated shell is further reduced.

Description

technical field [0001] The invention relates to the technical field of safety protection and VOCs emission reduction of storage tanks in oil and gas storage and transportation, in particular to an anti-lightning composite coating, a spraying method thereof and an anti-lightning aluminum skin. Background technique [0002] The floating plate of the outer floating roof tank is exposed to the natural environment and has been affected by the external environment for a long time. Heavy rain and snowstorms often lead to chucking and sinking accidents. The concentration of oil and gas between the primary and secondary seals of the outer floating roof exceeds the standard, and the fire accidents of the sealing ring caused by lightning strikes occur from time to time. The sun directly shines on the floating plate and the inner wall of the outer floating roof tank, and the VOCs emission of the storage tank is relatively large. Adding an aluminum reticulated shell to the external floa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/08C09D201/04C09D183/04C09D127/12C09D161/20C09D5/08C09D5/10C09D7/61B05D7/16B05D3/10
CPCC09D175/08C09D161/20C09D5/08C09D5/103C09D7/61C09D7/70B05D7/16B05D3/102C08L2201/08C08K2201/005C08K2201/001C08K2003/0812B05D2202/25B05D2503/00C08L101/04C08L61/20C08K13/04C08K7/00C08K3/04C08K7/24C08L83/04C08K7/26C08L27/12C08K7/28C08K3/08
Inventor 管孝瑞程庆利张长秀陶彬张玉平郎需庆马开良
Owner CHINA PETROLEUM & CHEM CORP
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