CN106883729B - A kind of oil well pipe nanometer heavy antisepsis Wear-resistant, high-temperature resistant powdery paints - Google Patents

A kind of oil well pipe nanometer heavy antisepsis Wear-resistant, high-temperature resistant powdery paints Download PDF

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CN106883729B
CN106883729B CN201710154266.5A CN201710154266A CN106883729B CN 106883729 B CN106883729 B CN 106883729B CN 201710154266 A CN201710154266 A CN 201710154266A CN 106883729 B CN106883729 B CN 106883729B
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parts
resistant
powdery paints
wear
oil well
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CN106883729A (en
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朱继刚
张喜民
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D163/00Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/03Powdery paints
    • C09D5/033Powdery paints characterised by the additives
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/14Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18Fireproof paints including high temperature resistant paints
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/014Additives containing two or more different additives of the same subgroup in C08K
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Plant Pathology (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention belongs to a kind of oil well pipe nanometer heavy antisepsis Wear-resistant, high-temperature resistant powdery paints, it is made by following raw materials, each raw material are by weight ratio:70~80 parts of epoxy resin;30~40 parts of acrylic resin;Acrylate stream agent puts down 0~10 part;Polynary 0.5~1.5 part of organic phenols curing agent;10~15 parts of talcum powder;0.04 part~0.08 part of styrax;0.05~0.07 part of imidazoles;1.5~2.5 parts of carbon black;3~5 parts of vegetable oil;15~25 parts of graphene and corundum, the wherein mass ratio of graphene and corundum are 1:1,240 mesh of granularity of powdery paints.The present invention has the characteristics that anti-eccentric wear, anticorrosion, high temperature resistant, while has extraordinary energy-saving effect.

Description

A kind of oil well pipe nanometer heavy antisepsis Wear-resistant, high-temperature resistant powdery paints
Technical field
The invention belongs to oil field technical field of coatings, more particularly to a kind of oil well pipe nanometer heavy antisepsis Wear-resistant, high-temperature resistant powder Last coating.
Background technology
At present, China's major part oil well exploration exploitation has entered the middle and later periods, with deeply developing for oil field, production of recovering the oil In, it is quite serious to oil well pipe corrosion as a result of the substantial amounts of chemical assistant displacement of reservoir oil, along with wax deposition fouling, more some oil Well generates very big friction phenomenon, and some even rubs sucker rod, is brought greatly to oil field production and economic benefit Loss.
The content of the invention
In order to solve technical problem present in background technology, it is wear-resisting resistance to that the present invention provides a kind of oil well pipe nanometer heavy antisepsis High temperature powder coating, the present invention has the characteristics that anti-eccentric wear, anticorrosion, high temperature resistant, while has extraordinary energy-saving effect.
Technical problem solved by the invention is realized using following technical scheme:The wear-resisting resistance to height of oil well pipe nanometer heavy antisepsis Warm powdery paints is made by following raw materials, and each raw material are by weight ratio:70~80 parts of epoxy resin;Acrylic resin 30 ~40 parts;Acrylate stream agent puts down 0~10 part;Polynary 0.5~1.5 part of organic phenols curing agent;10~15 parts of talcum powder;Rest in peace It is 0.04 part~0.08 part fragrant;0.05~0.07 part of imidazoles;1.5~2.5 parts of carbon black;3~5 parts of vegetable oil;Graphene and corundum 15~25 parts, the wherein mass ratio of graphene and corundum is 1:1,240 mesh of granularity of powdery paints.
Each raw material are by weight ratio in such scheme:75 parts of epoxy resin;35 parts of acrylic resin;Acrylate stream Agent puts down 5 parts;Polynary 1 part of organic phenols curing agent;15 parts of talcum powder;0.05 part of styrax;0.05 part of imidazoles;2 parts of carbon black;Plant 4 parts of oil;20 parts of graphene and corundum, the wherein mass ratio of graphene and corundum are 1:1,240 mesh of granularity of powdery paints.
The preparation method of oil well pipe nanometer heavy antisepsis Wear-resistant, high-temperature resistant powdery paints:First, by all each components by proportioning Reaction kettle is added, mixing is stirred, after 30~50 minutes stir evenly, carries out being heated to 130 degree of tablettings, pressure is 300Kg is suppressed, and after compression molding, is ground by steel and is carried out pulverization process, the granularity of powdery paints reaches 240 mesh, then carries out again Sub-sieve is ground, nanometer heavy antisepsis Wear-resistant, high-temperature resistant powdery paints is made.
The film forming matter of oil well pipe nanometer heavy antisepsis Wear-resistant, high-temperature resistant powdery paints is with epoxy resin and acrylic resin Based on combined because epoxy bond in epoxy resin can be chemically reacted with metallic bond, there is good adhesive force, epoxy resin with Synergistic effect after acrylic resin combination, has soda acid very strong corrosion resistance, therefore anti-Corrosion Protection is very good, salt Very serious to corrosion of metal because its aqueous solution of sodium chloride is existing in the form of an ion, i.e., with sodium ion and Chlorion exists, and corrosive nature is very strong, but the articulated system of epoxy resin and acrylic resin, not only there is very strong adhesive force, Also very strong anti acid alkali performance, this is that its material nature determines, oil well pipe nanometer heavy antisepsis Wear-resistant, high-temperature resistant powder Nanoscale graphite alkene is introduced in coating, the tensile strength for making coating is 200 times of iron, organic matter epoxy resin and inorganic matter gold The combination of steel sand, graphene, causes soft and hard combination, plus the tensile strength of graphene, makes medium and oil well There is one layer to be effectively protected film between pipe, film is not only wear-resistant to go back high temperature resistance (general medium temperature is within 80 degree), nanometer Level graphene is a kind of superconductor, and the excess charges in electrolyte are transmitted to releasable periphery by nanoscale graphite alkene, and Resistivity is zero, reaches and does not carry out electron exchange with iron, so as to protect oil well pipe.
In coating plus vegetable oil after reached lubricating action, the smooth lubrication of coating surface, self-lubricating property is very good, wax without The choice specimen of calligraphy is enclosed, and the contact of dirty bacterium will be killed, and can not also be tied on tube wall, so powder coating has good antiscale Wax control acts on, and has achieveed the purpose that antibacterial, due to adding the mineral matters such as diamond dust in powdery paints, has coating certain Heat-blocking action, can delay the loss of temperature, also function to the effect of wax control.
Oil well pipe nanometer heavy antisepsis Heat Resistant Powder Coatings, in order to solve anti-eccentric wear oil well pipe research and development, because powder High abrasion resin and wear resistant filler graphene and corundum are introduced in powder formulation, powder is possessed the ability for bearing high friction, Friction coefficient is very small, and drag reduction is also very good, due to the self lubricity of coating in itself, possesses very strong energy-saving effect.
Beneficial effects of the present invention are:The application in productive experiment by having found, due to the friction coefficient of itself very Small, equivalent to phase mutual friction between ice and ice, fractional energy savings reaches more than 90%.Since oil well inside pipe wall is prevented with this product Corruption processing, the operation well workover time by original 90 days, improves more than 365 days till now, and oil well operation is very normal, drop Low energy consumption, improves yield.More than 1 year is with the oil well pipe effective life of the product preservative treatment, oil well pipe Excellent through examining, surfacing is smooth, without any corrosion and scaling phenomenon, has saved every cost, also extending equipment makes With the cycle, good overall economic efficiency is have received, is each oil pipeline eccentric abrasion prevention, anti-heavy corrosion, high temperature resistant economical efficiency wound Good start is made.
Embodiment
The present invention is described further below in conjunction with experiment:
The preparation of oil well pipe nanometer heavy antisepsis Wear-resistant, high-temperature resistant powdery paints:First by epoxy resin 75Kg, acrylic acid tree Fat 35Kg, the flat 5Kg of acrylate stream agent, polynary organic phenols curing agent 1Kg, talcum powder 15Kg, styrax 0.05Kg, imidazoles 0.05Kg, carbon black 2Kg, vegetable oil 4Kg;Graphene 10Kg and corundum 10Kg add reaction kettle, are stirred mixing, treat 30~ After 50 minutes stir evenly, carry out being heated to 130 degree of tablettings, pressure is suppressed for 300Kg, after compression molding, is ground and is carried out by steel Pulverization process, the granularity of powdery paints reach 240 mesh, are then ground sub-sieve again, and nanometer heavy antisepsis Wear-resistant, high-temperature resistant is made Powdery paints.160 degree of -400 degree of this product high temperature resistance.
The powder paint technique of the application:Oil well pipe to be processed is subjected to mechanical sandblasting, oil well inside pipe wall first Shot Blasting, the corrosion of inner wall and appearance is cleaned out, and the oil well pipe metal surface after processing is up to state standards《Before application Steel surface rusting grade and derusting grade》Sa2.5 grades (two level) in GB8923-88.
Abrasion resistant corrosion resistant coating is constructed:First that the processing of metal surface dust is clean before spraying, surface keeps drying, then right Oil well pipe carries out abrasion resistant corrosion resistant spraying, and heating in medium frequency spraying is carried out by technological requirement oil well pipe, after electrostatic coating curing once Property complete, finished product is spare.Outer wall spraying will be uniform and ensures design requirement thickness.Spray the application coating after oil well pipe into Row performance test, the result such as table 1. after test
Table 1

Claims (1)

  1. A kind of 1. oil well pipe nanometer heavy antisepsis Wear-resistant, high-temperature resistant powdery paints, it is characterised in that:It is made by following raw materials, each original Material is by weight ratio:75 parts of epoxy resin;35 parts of acrylic resin;5 parts of acrylate levelling agent;Polynary organic phenols is consolidated 1 part of agent;15 parts of talcum powder;0.05 part of styrax;0.05 part of imidazoles;2 parts of carbon black;4 parts of vegetable oil;Graphene and corundum 20 Part, wherein the mass ratio of graphene and corundum is 1:1,240 mesh of granularity of powdery paints;The oil well pipe nanometer heavy antisepsis The preparation method of Wear-resistant, high-temperature resistant powdery paints:First, all each components are added into reaction kettle by proportioning, are stirred mixing, After 30~50 minutes stir evenly, carry out being heated to 130 degree of tablettings, pressure is suppressed for 300Kg, after compression molding, passes through steel Mill carries out pulverization process, and the granularity of powdery paints reaches 240 mesh, is then ground sub-sieve again, and it is wear-resisting that nanometer heavy antisepsis is made Heat Resistant Powder Coatings.
CN201710154266.5A 2017-03-15 2017-03-15 A kind of oil well pipe nanometer heavy antisepsis Wear-resistant, high-temperature resistant powdery paints Active CN106883729B (en)

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Publication number Priority date Publication date Assignee Title
CN109897508A (en) * 2019-02-12 2019-06-18 中国石油天然气集团有限公司 It is less than oil pipe good antiscale property graphene modified epoxy coating and preparation method thereof of 80000ppm water injection well for salinity
CN110670870A (en) * 2019-10-14 2020-01-10 安徽豪鼎金属制品有限公司 Wear-resisting type anti-corrosion scaffold fastener
CN110665734A (en) * 2019-10-14 2020-01-10 安徽豪鼎金属制品有限公司 Method for improving surface strength of metal plate and equipment adopting method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103146286A (en) * 2012-12-27 2013-06-12 上海海隆赛能新材料有限公司 Fast cured epoxy powder coating composition and preparation method thereof
CN104356876A (en) * 2014-12-08 2015-02-18 李永志 Wear-resistant powder coating
CN104530919A (en) * 2014-11-14 2015-04-22 南京航空航天大学 Epoxy powder primer used for anticorrosion paint for outer walls of deep sea oil transportation steel pipes and preparing method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103146286A (en) * 2012-12-27 2013-06-12 上海海隆赛能新材料有限公司 Fast cured epoxy powder coating composition and preparation method thereof
CN104530919A (en) * 2014-11-14 2015-04-22 南京航空航天大学 Epoxy powder primer used for anticorrosion paint for outer walls of deep sea oil transportation steel pipes and preparing method thereof
CN104356876A (en) * 2014-12-08 2015-02-18 李永志 Wear-resistant powder coating

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