CN109111776A - A kind of zinc aluminum anticorrosive paint and preparation method thereof and coating processes - Google Patents
A kind of zinc aluminum anticorrosive paint and preparation method thereof and coating processes Download PDFInfo
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- CN109111776A CN109111776A CN201810970213.5A CN201810970213A CN109111776A CN 109111776 A CN109111776 A CN 109111776A CN 201810970213 A CN201810970213 A CN 201810970213A CN 109111776 A CN109111776 A CN 109111776A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/04—Epoxynovolacs
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/103—Anti-corrosive paints containing metal dust containing Al
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/106—Anti-corrosive paints containing metal dust containing Zn
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0893—Zinc
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Abstract
The present invention discloses a kind of zinc aluminum anticorrosive paint, and by modified to zinc aluminium alloy powder, allumen powder particles are preferably combined with resin, and then obtain corrosion resistant zinc aluminum anticorrosive paint；Invention additionally discloses a kind of preparation method of zinc aluminum anticorrosive paint, including coupling agent modified, zinc aluminium alloy powder is modified and zinc aluminum anticorrosive paint synthesis, and the preparation method is simple, and preparation time is short, while low energy consumption for preparation process, reduces preparation cost；Invention additionally discloses a kind of coating processes of zinc aluminum anticorrosive paint, it for coating subway pre-buried channel flow, is coated using this kind of coating processes, the coating on subway pre-buried channel flow surface is relatively thin, corrosion resistance is preferable simultaneously, meets neutral salt spray test 3000 hours anti-corrosion evaluation criterias.
Description
Technical field
The invention belongs to the manufacturing technology fields of anticorrosive paint, and in particular to a kind of zinc aluminum anticorrosive paint and preparation method thereof
And coating processes.
Background technique
Subway pre-buried channel flow generallys use the preparation of Q345B material.Subway pre-buried channel flow by exposure in external environment, because
The phenomenon that after this long-time by environmental corrosion, is significant, and in order to improve the anticorrosive property of subway pre-buried channel flow, usual subway is pre-buried
The surface of conduit uses heat dip zinc treating.The anti-corrosion evaluation criteria of subway pre-buried channel flow is that neutral salt spray test 3000 is small at present
When.And the subway pre-buried channel flow after heat dip zinc treating finds that it is far from satisfying anti-corrosion evaluation criteria after salt spray test.Cause
This, how to improve subway pre-buried channel flow surface corrosion resistance becomes a big hot spot of those skilled in the art's research.The prior art
In, in order to improve the anticorrosive property of subway pre-buried channel flow, technical staff exists again after carrying out heat dip zinc treating to subway pre-buried channel flow
Its surface increases by one layer of corrosion-inhibiting coating.There are two big technical problems for existing corrosion-inhibiting coating: first is that the anticorrosion ability of corrosion-inhibiting coating
It is bad, for the corrosion resistance of subway pre-buried channel flow after galvanizing surface treatment, after coating existing corrosion-inhibiting coating
Although can be improved the antiseptic property of subway pre-buried channel flow, it is not met by the standard of neutral salt spray test；Another
Problem is that the coating layer thickness of existing corrosion-inhibiting coating is thicker, cannot meet the requirement of subway pre-buried channel flow surface covering thickness.Such as
Application No. is CN201710164254.0, entitled " a kind of aqueous chromium-free zinc aluminum anticorrosive paint " discloses a kind of aqueous nothing
Chromium zinc aluminum anticorrosive paint, resistance to neutral salt spray test ability >=720h, cannot meet the anti-corrosion evaluation criteria of subway pre-buried channel flow.Together
When coating thickness≤15 μm.For above-mentioned two problems, researcher urgently seeks a kind of anticorrosive paint, to solve the prior art
The technical problem that the anticorrosion ability of middle corrosion-inhibiting coating is bad and coating layer thickness is thicker.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of zinc aluminum anticorrosive paints and preparation method thereof and coating work
Skill, solve corrosion-inhibiting coating in the prior art anticorrosion ability is bad and technical problem that coating layer thickness is thicker.
In order to solve the above technical problems, the technical solution adopted by the present invention: a kind of zinc aluminum anticorrosive paint, it is characterised in that:
Including following raw material components and parts by weight:
Resin: 10-20 parts
Coupling agent: 2-5 parts
Zinc aluminium alloy powder: 20-40 parts
Auxiliary agent: 1-5 parts
Dehydrated alcohol: 0.6-1.5 parts
Water: 1.2-3.0 parts
Wherein, the resin includes one or more of epoxy resin, Hydroxylated acrylic resin and novolac epoxy resin
Combination, the partial size of the zinc aluminium alloy powder are 11-15 um.
Preferably, the coupling agent includes one or more of silane coupling agent or titanate coupling agent.
Preferably, the silane coupling agent is any one in kh560, kh550, kh570.
Preferably, the titanate coupling agent is monoalkoxy type titanate coupling agent or monoalkoxy pyrophosphoric acid ester type
Any one in titanate coupling agent.
Preferably, the auxiliary agent includes the combination of one or more of dispersing agent, levelling agent, corrosion inhibiter.
Preferably, the dispersing agent is aliphatic amide type, esters, metal soap, any one in low molecule wax class；
Preferably, the levelling agent is acrylic compounds, any one in organic silicon；
Preferably, the corrosion inhibiter is chromate, nitrite, silicate, phosphine carboxylic acid, coloured glaze base benzothiazole, benzotriazole, sulphur
Change wooden, polyethylene kind, POCA, any one in poly-aspartate.
A kind of preparation method of zinc aluminum anticorrosive paint, it is characterised in that: the following steps are included:
(1) resin, coupling agent, zinc aluminium alloy powder, auxiliary agent, dehydrated alcohol, Yi Jishui are weighed according to parts by weight, coupling agent is added
It is hydrolyzed into the aqueous solution of dehydrated alcohol, hydrolysis time 30-60min obtains modified coupling agent solution；
(2) coupling agent solution and zinc aluminium alloy powder modified in step (1) are stirred into 30-60min at normal temperature, obtain modification
Zinc aluminium alloy powder；
(3) modified zinc aluminium alloy powder and resin and auxiliary agent are mixed, obtain zinc aluminum anticorrosive paint.
A kind of coating processes of zinc aluminum anticorrosive paint, for coating subway pre-buried channel flow, which is characterized in that including following step
It is rapid:
(1) surface preparation of subway pre-buried channel flow: removing the zinc residue of subway pre-buried channel flow surface galvanizing first, then right
It carries out surface roughening treatment, finally removes surface dirt, obtains stand-by subway pre-buried channel flow；
(2) subway pre-buried channel flow stand-by in step (1) is impregnated in the standing slot containing zinc aluminum anticorrosive paint, the pre-heat treatment
8-10 minutes, preheating temperature was 80-110 DEG C, then is toasted 20-30 minutes, and baking temperature is 220-250 DEG C, completed coating.
A kind of zinc aluminum anticorrosive paint, the coating include solution A and B solution, it is characterised in that: the solution A and B solution
Include following raw material components and parts by weight:
Resin: 10-20 parts
Coupling agent: 2-5 parts
Zinc aluminium alloy powder: 20-40 parts
Auxiliary agent: 1-5 parts
Dehydrated alcohol: 0.6-1.5 parts
Water: 1.2-3.0 parts
Wherein, the resin includes one or more of epoxy resin, Hydroxylated acrylic resin and novolac epoxy resin
Combination, the partial size of the zinc aluminium alloy powder are 11-15 um；
The solution A further includes following raw material components and parts by weight:
Propenyl: 5-20 parts
Graphene powder: 10-20 parts
Wherein the graphene powder is dispersed in the propenyl and resin；
The B solution further includes following raw material components and parts by weight:
Mg(NO3)2·6H2O:1-5 parts
Wherein Mg (the NO3)2·6H2O is dissolved in the resin.
This kind of solution is comparatively stable, and using graphene as nuclear structure, adsorbs allumen, realized with facilitating
Plating coating, coating is uniform, and the service life of coat may be implemented using the thermal conductivity of graphene and oxygen-proof property.
The present invention discloses a kind of zinc aluminum anticorrosive paint, passes through, allumen powder particles and resin modified to zinc aluminium alloy powder
It preferably combines, and then obtains corrosion resistant zinc aluminum anticorrosive paint；Invention additionally discloses a kind of preparation sides of zinc aluminum anticorrosive paint
Method, including coupling agent modified, zinc aluminium alloy powder is modified and zinc aluminum anticorrosive paint synthesis, the preparation method is simple, preparation time
It is short, while low energy consumption for preparation process, reduces preparation cost；Invention additionally discloses a kind of coating processes of zinc aluminum anticorrosive paint, use
It in coating subway pre-buried channel flow, is coated using this kind of coating processes, the coating on subway pre-buried channel flow surface is relatively thin while corrosion-resistant
Property is preferable, meets neutral salt spray test 3000 hours anti-corrosion evaluation criterias.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
A kind of zinc aluminum anticorrosive paint, including following raw material components and parts by weight:
Resin: 10-20 parts
Coupling agent: 2-5 parts
Zinc aluminium alloy powder: 20-40 parts
Auxiliary agent: 1-5 parts
Dehydrated alcohol: 0.6-1.5 parts
Water: 1.2-3.0 parts
Wherein, resin includes one or more of epoxy resin, Hydroxylated acrylic resin and novolac epoxy resin group
It closes.In anticorrosive paint, the partial size of zinc aluminium alloy powder is 11-15 um, preferably 11-13 um.The partial size of zinc aluminium alloy powder is larger, zinc
The specific surface area of Al alloy powder particle is smaller, i.e., it is smaller with the extraneous area contacted, and Corrosion Protection is weaker.Therefore, reduce
The Corrosion Protection of zinc aluminum anticorrosive paint can be improved in the partial size of zinc aluminium alloy powder.When coating relatively thin zinc aluminum anticorrosive paint,
Still meet higher Corrosion Protection.
Coupling agent includes one or more of silane coupling agent or titanate coupling agent.Silane coupling agent is
Any one in kh560, kh550, kh570.Titanate coupling agent is monoalkoxy type titanate coupling agent or single alcoxyl
Any one in base Pyrophosphate Type Yitanate Coupling Agent.Wherein, monoalkoxy type titanate coupling agent is preferably three different hard
Fatty acyl group isopropyl titanate.Monoalkoxy Pyrophosphate Type Yitanate Coupling Agent is preferably three (dioctyl pyrophosphoryl oxygroup) titaniums
Isopropyl propionate.
Auxiliary agent includes the combination of one or more of dispersing agent, levelling agent, corrosion inhibiter in the present invention.
Dispersing agent for dispersing some liquid and solid particle for being insoluble in liquid, can prevent particle sedimentation and
Cohesion, to form stable suspension.In the present invention, dispersing agent can be aliphatic amide type, esters, metal soap, low point
Any one in sub- wax class.Aliphatic amide type dispersing agent includes vinyl bis-stearamides, and esters dispersing agent includes tristearin
Sour monoglyceride or glyceryl tristearate.Metal soap dispersing agent includes barium stearate, calcium stearate, zinc stearate etc..
Low molecule wax class dispersing agent includes polyethylene wax, oxidized polyethylene wax, polyethylene glycol 200 or 400.
The effect of levelling agent is that coating is made to form a smooth, smooth, uniform film during the drying and film forming process, can be had
Effect, which reduces, covers with paint, lacquer, colour wash, etc. liquid surface tension, improves its levelability and uniformity.Levelling agent can improve the permeability for covering with paint, lacquer, colour wash, etc. liquid, can be reduced brush
A possibility that spot and spot are generated when painting, increases spreadability, keeps film forming uniform, natural.In the present invention, levelling agent is acrylic acid
Any one in class or organic silicon；Wherein, acrylic compounds include Voncoat R 3310 or copolymer.Organic silicon
Levelling agent includes silicone oil, dimethyl silicone polymer, polyether polyester azo polyether polyeste, alkyl-modified organosiloxane.
Corrosion inhibiter is also known as corrosion inhibitor, can prevent or slow down material corrosion.Corrosion inhibiter be chromate, nitrite,
Silicate, phosphine carboxylic acid, coloured glaze base benzothiazole, benzotriazole, sulfonation be wooden, any in polyethylene kind, POCA, poly-aspartate
It is a kind of.
A kind of preparation method of zinc aluminum anticorrosive paint, comprising the following steps:
(1) resin, coupling agent, zinc aluminium alloy powder, auxiliary agent, dehydrated alcohol, Yi Jishui are weighed according to parts by weight, coupling agent is added
It is hydrolyzed into the aqueous solution of dehydrated alcohol, hydrolysis time 30-60min obtains modified coupling agent solution；
(2) coupling agent solution and zinc aluminium alloy powder modified in step (1) are stirred into 30-60min at normal temperature, obtain modification
Zinc aluminium alloy powder；
(3) modified zinc aluminium alloy powder and resin and auxiliary agent are mixed, obtain zinc aluminum anticorrosive paint.
A kind of coating processes of zinc aluminum anticorrosive paint, for coating subway pre-buried channel flow, comprising the following steps:
(1) surface preparation of subway pre-buried channel flow: removing the zinc residue of subway pre-buried channel flow surface galvanizing first, then right
It carries out surface roughening treatment, finally removes surface dirt, obtains stand-by subway pre-buried channel flow；
(2) subway pre-buried channel flow stand-by in step (1) is impregnated in the standing slot containing zinc aluminum anticorrosive paint, the pre-heat treatment
8-10 minutes, preheating temperature was 80-110 DEG C, then is toasted 20-30 minutes, and baking temperature is 220-250 DEG C, completed coating.It uses
This kind of coating processes carry out the coating of subway pre-buried channel flow, and coating layer thickness is 3-10 μm, and it is thick to meet subway pre-buried channel flow surface covering
The requirement of degree.
Embodiment 1:
A kind of zinc aluminum anticorrosive paint, including following raw material components and parts by weight:
Epoxy resin: 15 parts
Kh560:2 parts
Zinc aluminium alloy powder: 25 parts
Vinyl bis-stearamides: 1 part
Dimethyl silicone polymer: 1 part
Coloured glaze base benzothiazole: 1 part
Dehydrated alcohol: 0.8 part
Water: 1.4 parts
A kind of preparation method of zinc aluminum anticorrosive paint, comprising the following steps:
(1) epoxy resin, kh560, zinc aluminium alloy powder, vinyl bis-stearamides, polydimethylsiloxanes are weighed according to parts by weight
Alkane, coloured glaze base benzothiazole, dehydrated alcohol, Yi Jishui, kh560 is added in the aqueous solution of dehydrated alcohol and is hydrolyzed, hydrolysis
Time is 30-60min, obtains modified coupling agent solution；
(2) coupling agent solution and zinc aluminium alloy powder modified in step (1) are stirred into 30-60min at normal temperature, obtain modification
Zinc aluminium alloy powder；
(3) by modified zinc aluminium alloy powder and epoxy resin and vinyl bis-stearamides, dimethyl silicone polymer, coloured glaze base benzene
And thiazole is mixed, and obtains zinc aluminum anticorrosive paint.
A kind of coating processes of zinc aluminum anticorrosive paint, for coating subway pre-buried channel flow, comprising the following steps:
(1) surface preparation of subway pre-buried channel flow: removing the zinc residue of subway pre-buried channel flow surface galvanizing first, then right
It carries out surface roughening treatment, finally removes surface dirt, obtains stand-by subway pre-buried channel flow；
(2) subway pre-buried channel flow stand-by in step (1) is impregnated in the standing slot containing zinc aluminum anticorrosive paint, the pre-heat treatment
8 minutes, preheating temperature was 85 DEG C, then is toasted 25 minutes, and baking temperature is 240 DEG C, completed coating.Subway pre-buried channel flow surface applies
Layer is with a thickness of 3 μm.
Embodiment 2:
A kind of zinc aluminum anticorrosive paint, including following raw material components and parts by weight:
Epoxy resin: 12 parts
Kh570:3 parts
Zinc aluminium alloy powder: 28 parts
Vinyl bis-stearamides: 1 part
Dimethyl silicone polymer: 2 parts
Benzotriazole: 2 parts
Dehydrated alcohol: 1.0 parts
Water: 1.6 parts
A kind of preparation method of zinc aluminum anticorrosive paint, comprising the following steps:
(1) epoxy resin, kh570, zinc aluminium alloy powder, vinyl bis-stearamides, polydimethylsiloxanes are weighed according to parts by weight
Alkane dehydrated alcohol, benzotriazole and water, coupling agent is added in the aqueous solution of dehydrated alcohol and is hydrolyzed, and hydrolysis time is
30-60min obtains modified coupling agent solution；
(2) coupling agent solution and zinc aluminium alloy powder modified in step (1) are stirred into 30-60min at normal temperature, obtain modification
Zinc aluminium alloy powder；
(3) by modified zinc aluminium alloy powder and epoxy resin and the anhydrous second of vinyl bis-stearamides, dimethyl silicone polymer
Alcohol, benzotriazole are mixed, and obtain zinc aluminum anticorrosive paint.
A kind of coating processes of zinc aluminum anticorrosive paint, for coating subway pre-buried channel flow, comprising the following steps:
(1) surface preparation of subway pre-buried channel flow: removing the zinc residue of subway pre-buried channel flow surface galvanizing first, then right
It carries out surface roughening treatment, finally removes surface dirt, obtains stand-by subway pre-buried channel flow；
(2) subway pre-buried channel flow stand-by in step (1) is impregnated in the standing slot containing zinc aluminum anticorrosive paint, the pre-heat treatment
9 minutes, preheating temperature was 90 DEG C, then is toasted 25 minutes, and baking temperature is 240 DEG C, completed coating.Subway pre-buried channel flow surface applies
Layer is with a thickness of 3 μm.
Embodiment 3:
A kind of zinc aluminum anticorrosive paint, including following raw material components and parts by weight:
Hydroxylated acrylic resin: 11 parts
Isopropyl triisostearoyltitanate: 3 parts
Zinc aluminium alloy powder: 32 parts
Vinyl bis-stearamides: 2 parts
Dimethyl silicone polymer: 1 part
Benzotriazole: 1 part
Dehydrated alcohol: 1.2 parts
Water: 2.0 parts
A kind of preparation method of zinc aluminum anticorrosive paint, comprising the following steps:
(1) Hydroxylated acrylic resin, isopropyl triisostearoyltitanate, zinc aluminium alloy powder, vinyl are weighed according to parts by weight
Bis-stearamides, dimethyl silicone polymer dehydrated alcohol, benzotriazole, dehydrated alcohol, Yi Jishui, coupling agent are added to anhydrous
It is hydrolyzed in the aqueous solution of ethyl alcohol, hydrolysis time 30-60min obtains modified coupling agent solution；
(2) coupling agent solution and zinc aluminium alloy powder modified in step (1) are stirred into 30-60min at normal temperature, obtain modification
Zinc aluminium alloy powder；
(3) by modified zinc aluminium alloy powder and Hydroxylated acrylic resin and vinyl bis-stearamides, dimethyl silicone polymer
Dehydrated alcohol, benzotriazole are mixed, and obtain zinc aluminum anticorrosive paint.
A kind of coating processes of zinc aluminum anticorrosive paint, for coating subway pre-buried channel flow, comprising the following steps:
(1) surface preparation of subway pre-buried channel flow: removing the zinc residue of subway pre-buried channel flow surface galvanizing first, then right
It carries out surface roughening treatment, finally removes surface dirt, obtains stand-by subway pre-buried channel flow；
(2) subway pre-buried channel flow stand-by in step (1) is impregnated in the standing slot containing zinc aluminum anticorrosive paint, the pre-heat treatment
9 minutes, preheating temperature was 100 DEG C, then is toasted 30 minutes, and baking temperature is 230 DEG C, completed coating.Subway pre-buried channel flow surface
Coating layer thickness is 5 μm.
Embodiment 4:
A kind of zinc aluminum anticorrosive paint, including following raw material components and parts by weight:
Hydroxylated acrylic resin: 16 parts
Isopropyl triisostearoyltitanate: 4 parts
Zinc aluminium alloy powder: 35 parts
Vinyl bis-stearamides: 1 part
Dimethyl silicone polymer: 1 part
Benzotriazole: 2 parts
Dehydrated alcohol: 1.2 parts
Water: 2.3 parts
A kind of preparation method of zinc aluminum anticorrosive paint, comprising the following steps:
(1) Hydroxylated acrylic resin, isopropyl triisostearoyltitanate, zinc aluminium alloy powder, vinyl are weighed according to parts by weight
Bis-stearamides, dimethyl silicone polymer dehydrated alcohol, benzotriazole, dehydrated alcohol, Yi Jishui, coupling agent are added to anhydrous
It is hydrolyzed in the aqueous solution of ethyl alcohol, hydrolysis time 30-60min obtains modified coupling agent solution；
(2) coupling agent solution and zinc aluminium alloy powder modified in step (1) are stirred into 30-60min at normal temperature, obtain modification
Zinc aluminium alloy powder；
(3) by modified zinc aluminium alloy powder and Hydroxylated acrylic resin and vinyl bis-stearamides, dimethyl silicone polymer
Dehydrated alcohol, benzotriazole are mixed, and obtain zinc aluminum anticorrosive paint.
A kind of coating processes of zinc aluminum anticorrosive paint, for coating subway pre-buried channel flow, comprising the following steps:
(1) surface preparation of subway pre-buried channel flow: removing the zinc residue of subway pre-buried channel flow surface galvanizing first, then right
It carries out surface roughening treatment, finally removes surface dirt, obtains stand-by subway pre-buried channel flow；
(2) subway pre-buried channel flow stand-by in step (1) is impregnated in the standing slot containing zinc aluminum anticorrosive paint, the pre-heat treatment
9 minutes, preheating temperature was 100 DEG C, then is toasted 30 minutes, and baking temperature is 230 DEG C, completed coating.Subway pre-buried channel flow surface
Coating layer thickness is 5 μm.
Embodiment 5:
A kind of zinc aluminum anticorrosive paint, including following raw material components and parts by weight:
Novolac epoxy resin: 18 parts
Isopropyl triisostearoyltitanate: 4 parts
Zinc aluminium alloy powder: 38 parts
Vinyl bis-stearamides: 1 part
Dimethyl silicone polymer: 2 parts
Benzotriazole: 1 part
Dehydrated alcohol: 1.4 parts
Water: 2.8 parts
A kind of preparation method of zinc aluminum anticorrosive paint, comprising the following steps:
(1) novolac epoxy resin, isopropyl triisostearoyltitanate, zinc aluminium alloy powder, vinyl pair are weighed according to parts by weight
Coupling agent is added to anhydrous second by stearmide, dimethyl silicone polymer dehydrated alcohol, benzotriazole, dehydrated alcohol, Yi Jishui
It is hydrolyzed in the aqueous solution of alcohol, hydrolysis time 30-60min obtains modified coupling agent solution；
(2) coupling agent solution and zinc aluminium alloy powder modified in step (1) are stirred into 30-60min at normal temperature, obtain modification
Zinc aluminium alloy powder；
(3) by modified zinc aluminium alloy powder and novolac epoxy resin and auxiliary agent vinyl bis-stearamides, polydimethylsiloxanes
Alkane dehydrated alcohol, benzotriazole are mixed, and obtain zinc aluminum anticorrosive paint.
A kind of coating processes of zinc aluminum anticorrosive paint, for coating subway pre-buried channel flow, comprising the following steps:
(1) surface preparation of subway pre-buried channel flow: removing the zinc residue of subway pre-buried channel flow surface galvanizing first, then right
It carries out surface roughening treatment, finally removes surface dirt, obtains stand-by subway pre-buried channel flow；
(2) subway pre-buried channel flow stand-by in step (1) is impregnated in the standing slot containing zinc aluminum anticorrosive paint, the pre-heat treatment
10 minutes, preheating temperature was 110 DEG C, then is toasted 30 minutes, and baking temperature is 225 DEG C, completed coating.Subway pre-buried channel flow surface
Coating layer thickness is 7 μm.
Embodiment 6:
A kind of zinc aluminum anticorrosive paint, the coating include solution A and B solution, it is characterised in that: the solution A and B solution are wrapped
Include following raw material components and parts by weight:
Resin: 10-20 parts
Coupling agent: 2-5 parts
Zinc aluminium alloy powder: 20-40 parts
Auxiliary agent: 1-5 parts
Dehydrated alcohol: 0.6-1.5 parts
Water: 1.2-3.0 parts
Wherein, the resin includes one or more of epoxy resin, Hydroxylated acrylic resin and novolac epoxy resin
Combination, the partial size of the zinc aluminium alloy powder are 11-15 um；
The solution A further includes following raw material components and parts by weight:
Propenyl: 5-20 parts
Graphene powder: 10-20 parts
Wherein the graphene powder is dispersed in the propenyl and resin；
The B solution further includes following raw material components and parts by weight:
Mg(NO3)2·6H2O:1-5 parts
Wherein Mg (the NO3)2·6H2O is dissolved in the resin.
This kind of solution is comparatively stable, and using graphene as nuclear structure, adsorbs allumen, realized with facilitating
Plating coating, coating is uniform, and the service life of coat may be implemented using the thermal conductivity of graphene and oxygen-proof property.
The coating method of above-mentioned zinc aluminum anticorrosive paint, for coating subway pre-buried channel flow, comprising the following steps:
(1) surface preparation of subway pre-buried channel flow: removing the zinc residue of subway pre-buried channel flow surface galvanizing first, then right
It carries out surface roughening treatment, finally removes surface dirt, obtains stand-by subway pre-buried channel flow；
(2) solution A is mixed with B solution, so that the Mg (NO in mixed solution3)2·6H2O, by graphene powder in propylene
It is evenly dispersed and form colloidal solution in alcohol；
(3) subway pre-buried channel flow stand-by in step (1) is impregnated in the standing slot containing colloidal solution, it is pre- to the subway
It buries conduit to be powered, so that the graphene and the zinc aluminium alloy powder are adsorbed on conduit；
(4) it toasts 30-60 minutes, baking temperature is 200 DEG C.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (9)
1. a kind of zinc aluminum anticorrosive paint, it is characterised in that: including following raw material components and parts by weight:
Resin: 10-20 parts
Coupling agent: 2-5 parts
Zinc aluminium alloy powder: 20-40 parts
Auxiliary agent: 1-5 parts
Dehydrated alcohol: 0.6-1.5 parts
Water: 1.2-3.0 parts
Wherein, the resin includes one or more of epoxy resin, Hydroxylated acrylic resin and novolac epoxy resin
Combination, the partial size of the zinc aluminium alloy powder are 11-15 um.
2. a kind of zinc aluminum anticorrosive paint according to claim 1, it is characterised in that: the coupling agent include silane coupling agent or
One or more of person's titanate coupling agent.
3. a kind of zinc aluminum anticorrosive paint according to claim 2, it is characterised in that: the silane coupling agent be kh560,
Any one in kh550, kh570；The titanate coupling agent is monoalkoxy type titanate coupling agent or monoalkoxy
Any one in Pyrophosphate Type Yitanate Coupling Agent.
4. a kind of zinc aluminum anticorrosive paint according to claim 1, it is characterised in that: the auxiliary agent include dispersing agent, levelling agent,
The combination of one or more of corrosion inhibiter.
5. a kind of zinc aluminum anticorrosive paint according to claim 4, it is characterised in that: the dispersing agent be aliphatic amide type,
Esters, metal soap, any one in low molecule wax class；The levelling agent is acrylic compounds, any one in organic silicon
Kind；The corrosion inhibiter be chromate, nitrite, silicate, phosphine carboxylic acid, coloured glaze base benzothiazole, benzotriazole, sulfonation it is wooden,
Polyethylene kind, POCA, any one in poly-aspartate.
6. a kind of preparation method of zinc aluminum anticorrosive paint described in -5 any one according to claim 1, it is characterised in that: including with
Lower step:
(1) resin, coupling agent, zinc aluminium alloy powder, auxiliary agent, dehydrated alcohol, Yi Jishui are weighed according to parts by weight, coupling agent is added
It is hydrolyzed into the aqueous solution of dehydrated alcohol, hydrolysis time 30-60min obtains modified coupling agent solution；
(2) coupling agent solution and zinc aluminium alloy powder modified in step (1) are stirred into 30-60min at normal temperature, obtain modification
Zinc aluminium alloy powder；
(3) modified zinc aluminium alloy powder and resin and auxiliary agent are mixed, obtain zinc aluminum anticorrosive paint.
7. a kind of coating processes of zinc aluminum anticorrosive paint described in -5 any one according to claim 1, pre-buried for coating subway
Conduit, which comprises the following steps:
(1) surface preparation of subway pre-buried channel flow: removing the zinc residue of subway pre-buried channel flow surface galvanizing first, then right
It carries out surface roughening treatment, finally removes surface dirt, obtains stand-by subway pre-buried channel flow；
(2) subway pre-buried channel flow stand-by in step (1) is impregnated in the standing slot containing zinc aluminum anticorrosive paint, the pre-heat treatment
8-10 minutes, preheating temperature was 80-110 DEG C, then is toasted 20-30 minutes, and baking temperature is 220-250 DEG C, completed coating.
8. a kind of zinc aluminum anticorrosive paint, the coating includes solution A and B solution, it is characterised in that: the solution A and B solution are equal
Including following raw material components and parts by weight:
Resin: 10-20 parts
Coupling agent: 2-5 parts
Zinc aluminium alloy powder: 20-40 parts
Auxiliary agent: 1-5 parts
Dehydrated alcohol: 0.6-1.5 parts
Water: 1.2-3.0 parts
Wherein, the resin includes one or more of epoxy resin, Hydroxylated acrylic resin and novolac epoxy resin
Combination, the partial size of the zinc aluminium alloy powder are 11-15 um；
The solution A further includes following raw material components and parts by weight:
Propenyl: 5-20 parts
Graphene powder: 10-20 parts
Wherein the graphene powder is dispersed in the propenyl and resin；
The B solution further includes following raw material components and parts by weight:
Mg(NO3)2·6H2O:1-5 parts
Wherein Mg (the NO3)2·6H2O is dissolved in the resin.
9. a kind of coating method of zinc aluminum anticorrosive paint according to claim 8, it is special for coating subway pre-buried channel flow
Sign is, comprising the following steps:
(1) surface preparation of subway pre-buried channel flow: removing the zinc residue of subway pre-buried channel flow surface galvanizing first, then right
It carries out surface roughening treatment, finally removes surface dirt, obtains stand-by subway pre-buried channel flow；
(2) solution A is mixed with B solution, so that the Mg (NO in mixed solution3)2·6H2O, by graphene powder in propylene
It is evenly dispersed and form colloidal solution in alcohol；
(3) subway pre-buried channel flow stand-by in step (1) is impregnated in the standing slot containing colloidal solution, it is pre- to the subway
It buries conduit to be powered, so that the graphene and the zinc aluminium alloy powder are adsorbed on conduit；
(4) it toasts 30-60 minutes, baking temperature is 200 DEG C.
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| CN111218990A (en) * | 2020-01-17 | 2020-06-02 | 镇江市华东化工电力设备总厂有限公司 | Pre-buried channel structure for urban rail and machining method thereof |
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| CN113150643A (en) * | 2021-03-25 | 2021-07-23 | 青岛维洁仕环保科技服务有限公司 | Polymer composite repair material for circulating water pump and repair method thereof |
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| CN113969099A (en) * | 2021-12-01 | 2022-01-25 | 吉林莱德化学科技有限公司 | Water-based zinc-aluminum coating and production process thereof |
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