Epoxy resin coating in marine steel pipe 3PE anticorrosive coating and preparation method thereof

A technology of epoxy resin coating and anti-corrosion coating, which is applied in the field of coatings, can solve the problems of reducing the service life and safety of submarine steel pipes, and cannot prevent the immersion of small molecule corrosive media, so as to increase the impact resistance of seawater and improve physical and mechanical properties , the effect of reducing dosage
CN104449249AInactive Publication Date: 2015-03-25NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Publication Date
2015-03-25
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an epoxy resin coating in a marine steel pipe 3PE anticorrosive coating and a preparation method thereof. The epoxy resin anticorrosive coating comprises the following components in percentage by weight: 55-65 percent of epoxy resin, 23.5-36 percent of filler and pigments and 10.4-15.3 percent of aids, wherein the epoxy resin comprises the following components in percentage by weight: 39-47 percent of E-12 epoxy resin and 16-23 percent of novolac epoxy resin. Talcum powder, mica powder, bentonite and titanium dioxide are properly added into the epoxy resin to serve as partial fillers. The use amount of the resin can be relatively reduced, the cost is reduced, the physical and mechanical properties can be improved; particularly, the elasticity modulus is increased, the cure shrinkage rate is reduced, the seawater impact resistance is increased, and the seawater resistance is improved.
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Description

technical field

[0001] The invention relates to the technical field of coatings, in particular to an epoxy resin coating in a 3PE anti-corrosion coating of a submarine steel pipe and a preparation method thereof. Background technique

[0002] With the continuous exploitation of onshore oil and natural gas resources, it is no longer able to fully meet the needs of human beings, and there are abundant oil and natural gas resources stored in the ocean. The competition for offshore oil and gas has become the focus of attention of all countries in today's society. Development usually uses large ships and pipelines for transportation, and submarine pipeline transportation has the outstanding advantages of high safety performance and low cost, and has been adopted by most countries in the world. my country started relatively late in offshore oil and gas exploration, development and oil and gas transportation. Domestic submarine oil and gas pipelines have a large gap with foreign pro...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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