Non-leaching low surface energy antifouling coatings for oilfield pipelines

Abstract

The invention relates to a non-elution type low surface energy antifouling coating for oil field pipelines. The method mainly solves the problem that the existing antifouling paint is not suitable for secondary pollution control of oil field water injection pipelines. Including component A of low surface energy paint and component B of non-eluting fungicide, the components and proportions are as follows in mass percentage: component A: silicone resin 7.5‑8.5%; epoxy resin 14‑16%; acrylic acid Resin 11‑13%; tetrafluororesin 13‑15%; chloroether resin 9‑11%; polyvinyl butyral 3.5‑4.5%; polypropylene glycol diglycidyl ether 7.5‑8.5%; cellulose acetate butyrate liquid 9.5‑10.5%; rutile titanium dioxide 7‑8%; silicon carbide 2.5‑3.5%; glass flakes 5.5‑6.5%; PTFE microwax 1.3‑1.5%; carbon black 0.4‑0.6%; fumed silica Thixotropic agent 0.4-0.6%; anti-settling agent 0.8-1.0%; leveling agent 0.3-0.5%; defoamer 0.3-0.5%; wetting and dispersing agent 0.3-0.5%; agent 0.08‑0.12%. The oil field pipeline non-dissolution type low surface energy antifouling coating has the functions of preventing the adhesion of bacteria and inhibiting the growth of bacteria, and can solve the problem of secondary pollution of the pipeline network of the oilfield water injection system.

Description

Technical field: [0001] The invention relates to a coating in the technical field of antifouling and antifouling of oil field surface engineering, in particular to a non-elution type low surface energy antifouling coating for oil field pipelines. Background technique: [0002] At present, the commonly used antifouling coating synthesis methods include the following two aspects: one is to add antibacterial ingredients to the coating to kill or inhibit the growth of microorganisms; the other is to reduce the surface energy of the coating to improve the hydrophobicity of the coating and prevent condensation. Scale and microorganisms adhere. [0003] In terms of adding antibacterial ingredients to coatings, people try to design and develop non-toxic or low-toxic antifouling coatings by finding suitable antifouling agents. In foreign countries, the substances that inhibit the growth of barnacles are mainly extracted from marine organisms, or the antifouling coatings are prepared...

AI Technical Summary

Problems solved by technology

[0007] The present invention aims to overcome the problem that the existing antifouling coatings in the background technology are not suitable for secondary pollution treatment of oil field water injection pipelines, and provide a non-dissolution type low surface energy antifouling coating for oil field pipelines

The oil field pipeline non-dissolution low surface energy antifouling coating has the functions of preventing the adhesion of bacteria and inhibiting the growth of bacteria. It has no pollution and small side effects, and can solve the problem of secondary pollution of the pipeline network of the oilfield water injection system.

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