CN106752718B - A kind of nonferrous metal universal primer and preparation method thereof - Google Patents
A kind of nonferrous metal universal primer and preparation method thereof Download PDFInfo
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- CN106752718B CN106752718B CN201611237571.2A CN201611237571A CN106752718B CN 106752718 B CN106752718 B CN 106752718B CN 201611237571 A CN201611237571 A CN 201611237571A CN 106752718 B CN106752718 B CN 106752718B
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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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- 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
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
- C09D5/084—Inorganic compounds
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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
- 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
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The present invention relates to a kind of nonferrous metal universal primers, it is made of component A and component B, each component and its parts by weight dosage of component A are as follows: epoxy resin 20~30, modified epoxy 10~18, coloring pigment 7~13, environmental friendly, anti-corrosive pigment 15~21, talcum powder 6~10, blanc fixe 4~6, mica powder 1~3, anti-settling agent 0.5~2, adhesion promoter 0.1~1, wetting dispersing agent 0.1~1, levelling agent 0.1~1, mixed solvent 10~20.The modified amine curing agent and mixed solvent that component B is grafted by amino silane are constituted.Universal primer of the invention, easy for construction, quick-drying is easy to polish, the nonferrous metal surfaces such as aluminium alloy, stainless steel, copper alloy for not carrying out surface treatment or low prepared surface, with excellent adhesive force and good antiseptic property, at the same it is good with a variety of overcoatabilities.For different nonferrous metal grounds, the kind of paint special can be reduced after constructing using universal primer, optimization technological process improves coating efficiency.
Description
Technical field
The invention belongs to painting fields, and in particular to a kind of nonferrous metal universal primer and preparation method thereof, this
Invention priming paint adhesive force and antiseptic property are excellent.
Background technique
Nonferrous metal refers to all metals other than iron and ferrous alloy (including the pig iron, ferroalloy and steel)
(such as aluminium alloy, stainless steel, copper alloy), many occasions it still need to improve its use by material protection and anticorrosion
Service life.Phosphatization, oxidation processes, plating etc. can be used in conventional method, but these method processes are more, at high cost, seriously polluted, to material
Gauge lattice, shape also have compared with strict requirements.Therefore, by improving the anti-of product in nonferrous metal surface coating organic coating
Performance is protected into more economical selection, but general organic coating is difficult to be attached to nonferrous metal surface, and antiseptic property is not
Such as pass through surface-treated ground.In addition, some to the inherently various nonferrous metal parts of coating workpiece in certain occasions
Composition, either pre-treatment or manual grinding are not to facilitate very much constructing operation.To solve the above-mentioned problems, it is necessary to open
Issue a kind of adhesive force for nonferrous metal surface and antiseptic property and excellent universal priming paint.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of adhesive force and antiseptic property and excellent universal primer, use
In nonferrous metal surfaces such as aluminium alloy, stainless steel, the copper alloys for not carrying out surface treatment or low prepared surface, to reduce paint special
Kind, optimization technological process, improve coating efficiency.
According to the first aspect of the invention, the present invention provides a kind of nonferrous metal universal primer, the priming paint by
Component A and component B is constituted, component A by weight: component B=10:3~5；
The component A is made of following components in parts by weight: epoxy resin 20~30, modified epoxy 10~18,
It is coloring pigment 7~13, environmental friendly, anti-corrosive pigment 15~21, talcum powder 6~10, blanc fixe 4~6, mica powder 1~3, anti-settling
Agent 0.5~2, adhesion promoter 0.1~1, wetting dispersing agent 0.1~1, levelling agent 0.1~1, mixed solvent 10~20；
The modified amine curing agent and mixed solvent that the component B is grafted by amino silane are constituted.
Above-mentioned epoxy resin is one of E-20 epoxy resin, E-12 epoxy resin, E-06 epoxy resin or a variety of；
Above-mentioned modified epoxy is dimer acid modified epoxy resin, aliphatic chain polyester modified epoxy resin, modified shrink
One of glycerin ether is a variety of.
Above-mentioned coloring pigment is one of rutile type titanium white, organic yellow, phthalocyanine blue, phthalocyanine green or a variety of；Environmental protection
Type anti-corrosion paint is the nontoxic anti-corrosion paint without chromium, lead, is trbasic zinc phosphate, modified zinc phosphate, aluminium triphosphate, compound phosphorus
One of sour zinc-aluminium, barium metaborate, zinc oxide are a variety of；
Above-mentioned talcum powder is the talcum powder of 400~800 mesh；Blanc fixe is the blanc fixe of 400~800 mesh；Cloud
Female powder is high-purity, the sericite in powder with good lamellar structure.
Above-mentioned anti-settling agent is one of organobentonite, polyamide wax, fumed silica or a variety of；
Above-mentioned adhesion promoter is polyhydroxy phosphate class adhesion promoter；Wetting dispersing agent be BYK-161 or
BYK-163；Levelling agent is EFKA-3777 or EFKA-3772.
Mixed solvent is that dimethylbenzene, butanol, isopropanol, propylene glycol monomethyl ether, ethylene glycol ethyl ether, methyl are different in said components A
One of butyl ketone is a variety of.
The preparation method of said components A the following steps are included:
(1) 10~18 parts of 20~30 parts of epoxy resin, modified epoxy additions are fed intake in container, mixed solvent is added
10~20 parts, 10~15min is stirred with the speed of 200~500 turns/min；
(2) 0.5~2 part of anti-settling agent, 0.1~1 part of adhesion promoter, 0.1~1 part of wetting dispersing agent, stream are sequentially added
0.1~1 part of flat agent stirs 10~15min with the speed of 200~500 turns/min；
(3) 7~13 parts of coloring pigment, 15~21 parts of environmental friendly, anti-corrosive pigment, talcum powder 6~10 is added by inventory again
Part, 4~6 parts of blanc fixe, 1~3 part of mica powder stir 20~30min with the speed of 800~1200 turns/min, and stirring is equal
Upper mill, is ground to fineness≤40 μm after even；
(4) non-volatile part of sampling and measuring after fineness is qualified adjusts non-volatile part to (75 ± 3) %, with 80 with mixed solvent
Mesh filter screen filters and packages.
Above-mentioned amino silane is γ aminopropyltriethoxy silane, gamma-amino propyl trimethoxy silicane, phenylamino
One of methyltriethoxysilane, phenylaminomethyl trimethoxy silane are a variety of.
Above-mentioned modified amine curing agent is low molecular weight ring obtained by low-molecular-weight epoxy resin and polyamide addition reaction
Oxygen resin is one or both of E-51 epoxy resin, E-44 epoxy resin, the amine value range of polyamide be (230~
360)mgKOH/g。
Mixed solvent is one of dimethylbenzene, butanol, propylene glycol monomethyl ether, cyclohexanone or a variety of in said components B.
The preparation method of said components B the following steps are included:
(1) 5~9 parts of low-molecular-weight epoxy resin are fed intake in container, 10~15 parts of mixed solvent is added, with 200
The speed of~500 turns/min stirs, until epoxy resin is dissolved completely in the mixed solvent, epoxy liquid is made；
(2) 20~30 parts of polyamide are fed intake in container, 30~40 parts of mixed solvent is added, with 200~500
Turn/until polyamide is dissolved completely in the mixed solvent polyamide liquid is made in the stirring of the speed of min；
(3) under stirring, epoxy liquid is slowly added dropwise into above-mentioned polyamide liquid, with 200~500 turns/min's
Speed is stirred to being completely dissolved, and room temperature 24 hours, modified amine curing agent is made；
(4) under stirring, 15~25 parts of amino silane are slowly added dropwise into above-mentioned modified amine curing agent, with 200~
The speed of 500 turns/min is stirred to being completely dissolved, and room temperature 3~5 hours；
(5) non-volatile part of sampling and measuring adjusts non-volatile part to (48 ± 3) % with mixed solvent, is filtered with 80 mesh filter screens
Packaging.
The solution have the advantages that: the universal primer of technical solution of the present invention, component A is with intermediate molecular weight epoxy resin
Based on, introduce matrix resin of the flexible modified epoxy of proper proportion as priming paint, intermediate molecular weight epoxy resin, glass
It is high to change temperature, surface drying time can be shortened, crosslink density is moderate, and hydroxy radical content is high in molecule, can enhance adhesive force；The modified ring of flexibility
Oxygen resin can reduce the internal stress of coating, improve the flexibility of coating, can enhance coating adhesion and Corrosion Protection；With phosphoric acid
The environmental friendly, anti-corrosive pigment substitution that zinc, modified zinc phosphate, aluminium triphosphate, compound phosphoric acid zinc-aluminium, barium metaborate, zinc oxide combine
Traditional chromate serial pigment, can also realize long-effective corrosion while meeting environmental requirements；The polyhydroxy phosphate class of addition
Adhesion promoter has special anchor cooperation use to nonferrous metal surface, can further improve the adhesive force and antiseptic property of coating.
Component B first carries out addition reaction with small-molecular-weight epoxy resin and polyamide, and grafting introduces amino silicone on this basis
Alkane, amino silane are remarkably improved the adhesive force of coating as the bridge of nonferrous metal surface and organic coating.Of the invention is logical
Easy for construction with priming paint, quick-drying is easy to polish, and the aluminium alloy, stainless steel, copper for not carrying out surface treatment or low prepared surface close
The nonferrous metal surfaces such as gold have excellent adhesive force and good antiseptic property, while good with a variety of overcoatabilities.Needle
To different nonferrous metal grounds, the kind of paint special can be reduced after constructing using universal primer, optimization technological process improves
Coating efficiency.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment, to this
Invention is further described.It should be understood that these descriptions are merely illustrative, and it is not intended to limit the scope of the invention.
It is raw materials used in embodiment, unless otherwise stated it is coatings industry industrial goods, can be purchased by commercial channel
.
" part " in each embodiment is " parts by weight "；
Embodiment 1
Weigh 25 parts of E-20 epoxy resin, 14 parts of additions of modified epoxy HY-172 feed intake in container, addition dimethylbenzene
12 parts, 2 parts of butanol, 1 part of propylene glycol monomethyl ether stir 10~15min with the speed of 200~500 turns/min；Weigh polyamide wax
1 part of 6900-20X, 0.5 part of adhesion promoter PSZ-301,1 part of wetting dispersing agent BYK-161, levelling agent EFKA-3777
0.5 part of addition feeds intake in container, stirs 10~15min with the speed of 200~500 turns/min；Weigh 8 parts of titanium dioxide, organic yellow 1
Part, 1 part of phthalocyanine blue, 10 parts of trbasic zinc phosphate, 4 parts of aluminium triphosphate, 3 parts of barium metaborate, 1 part of zinc oxide, 8 parts of 800 mesh talcum powder,
2 parts of 800 5 parts of mesh blanc fixes, sericite in powder additions feed intake in container, with the speed of 800~1200 turns/min stirring 20~
30min, upper mill, is ground to fineness≤40 μm after mixing evenly；Non-volatile part of sampling and measuring after fineness is qualified, adjusts non-volatile part
It to (75 ± 3) %, is filtered and packaged with 80 mesh filter screens, universal primer component A is made.
It weighs 9 parts of E-51 epoxy resin to feed intake in container, 12 parts of dimethylbenzene, 1 part of butanol, propylene glycol monomethyl ether 2 is added
Part, it is stirred with the speed of 200~500 turns/min, until epoxy resin is dissolved completely in the mixed solvent, epoxy liquid is made；Claim
It takes 20 parts of polyamide (230~250mgKOH/g of amine value) to feed intake in container, 24 parts of dimethylbenzene, 2 parts of butanol, third is added
4 parts of glycol methyl ether, 3 parts of cyclohexanone are stirred with the speed of 200~500 turns/min, until polyamide is dissolved completely in mixing
In solvent, polyamide liquid is made；Under stirring, epoxy liquid is slowly added dropwise into above-mentioned polyamide liquid, with 200
The speed of~500 turns/min is stirred to being completely dissolved, and room temperature 24 hours, modified amine curing agent is made；Under stirring,
23 parts of amino silane GX-600 are slowly added dropwise into above-mentioned modified amine curing agent, with the speed of 200~500 turns/min stir to
It is completely dissolved, room temperature 5 hours；The non-volatile part of sampling and measuring adjusts non-volatile part to (48 ± 3) % with mixed solvent, uses
80 mesh filter screens filter and package, and universal primer component B is made.
Component A by weight: component B=10:4 when universal primer uses.
Test piece preparation is typically prepared method according to GB/T 1727-1992 paint film, and ground is 2024 aluminium alloys, and specification is
75mm × 150mm × 1mm, priming paint preparation flow: degreasing → cleaning → spray-applied primer → maintenance, curing period 7d, traditional performance
Testing priming paint film thickness is (23 ± 3) μm, other performance test priming paint film thickness are (40 ± 5) μm.Aluminum alloy surface primer performance
Test result is shown in Table -1.
Embodiment 2
Weigh 24 parts of E-12 epoxy resin, 15 parts of additions of modified epoxy HY-172 feed intake in container, addition dimethylbenzene
12 parts, 2 parts of isopropanol, 1 part of propylene glycol monomethyl ether stir 10~15min with the speed of 200~500 turns/min；Weigh organic swelling
0.5 part of soil, 0.5 part of fumed silica, 0.5 part of adhesion promoter PSZ-301,1 part of wetting dispersing agent BYK-163, stream
0.5 part of addition of flat agent EFKA-3777 feeds intake in container, stirs 10~15min with the speed of 200~500 turns/min；Weigh titanium
8 parts of white powder, 1 part of organic yellow, 1 part of phthalocyanine blue, 9 parts of modified zinc phosphate, 4 parts of aluminium triphosphate, 3 parts of barium metaborate, zinc oxide 2
1 part of part, 9 parts of 800 mesh talcum powder, 5 parts of 800 mesh blanc fixe, sericite in powder addition feed intake in container, with 800~1200 turns/
The speed of min stirs 20~30min, and upper mill, is ground to fineness≤40 μm after mixing evenly；Sampling and measuring is not waved after fineness is qualified
Hair part is filtered and packaged after adjusting non-volatile part to (75 ± 3) % with 80 mesh filter screens, and universal primer component A is made.
It weighs 5 parts of E-51 epoxy resin to feed intake in container, 12 parts of dimethylbenzene, 2 parts of butanol, propylene glycol monomethyl ether 1 is added
Part, it is stirred with the speed of 200~500 turns/min, until epoxy resin is dissolved completely in the mixed solvent, epoxy liquid is made；Claim
It takes 25 parts of polyamide (330~360mgKOH/g of amine value) to feed intake in container, 24 parts of dimethylbenzene, 3 parts of butanol, third is added
3 parts of glycol methyl ether, 3 parts of cyclohexanone are stirred with the speed of 200~500 turns/min, until polyamide is dissolved completely in mixing
In solvent, polyamide liquid is made；Under stirring, epoxy liquid is slowly added dropwise into above-mentioned polyamide liquid, with 200
The speed of~500 turns/min is stirred to being completely dissolved, and room temperature 24 hours, modified amine curing agent is made；Under stirring,
22 parts of amino silane GX-600 are slowly added dropwise into above-mentioned modified amine curing agent, with the speed of 200~500 turns/min stir to
It is completely dissolved, room temperature 3 hours；The non-volatile part of sampling and measuring adjusts non-volatile part to (48 ± 3) % with mixed solvent, uses
80 mesh filter screens filter and package, and universal primer component B is made.
Component A by weight: component B=10:4 when universal primer uses.
Test piece preparation is typically prepared method according to GB/T 1727-1992 paint film, and ground is 304 stainless steels, and specification is
75mm × 150mm × 1mm, priming paint preparation flow: degreasing → cleaning → spray-applied primer → maintenance, curing period 7d, traditional performance
Testing priming paint film thickness is (23 ± 3) μm, other performance test priming paint film thickness are (40 ± 5) μm.Stainless steel surface primer performance
Test result is shown in Table -1.
Embodiment 3
Weigh 25 parts of E-20 epoxy resin, 14 parts of additions of modified epoxy HY-172 feed intake in container, addition dimethylbenzene
12 parts, 2 parts of butanol, 1 part of propylene glycol monomethyl ether stir 10~15min with the speed of 200~500 turns/min；Weigh polyamide wax
1 part of 6900-20X, 0.5 part of adhesion promoter PSZ-301,1 part of wetting dispersing agent BYK-163, levelling agent EFKA-3772
0.5 part of addition feeds intake in container, stirs 10~15min with the speed of 200~500 turns/min；Weigh 8 parts of titanium dioxide, organic yellow 1
Part, 0.5 part of phthalocyanine blue, 0.5 part of phthalocyanine green, 9 parts of compound phosphoric acid zinc-aluminium, 5 parts of aluminium triphosphate, 2 parts of barium metaborate, zinc oxide 2
3 parts of part, 8 parts of 800 mesh talcum powder, 4 parts of 800 mesh blanc fixe, sericite in powder additions feed intake in container, with 800~1200 turns/
The speed of min stirs 20~30min, and upper mill, is ground to fineness≤40 μm after mixing evenly；Sampling and measuring is not waved after fineness is qualified
Hair part is filtered and packaged after adjusting non-volatile part to (75 ± 3) % with 80 mesh filter screens, and universal primer component A is made.
It weighs 7 parts of E-44 epoxy resin to feed intake in container, 12 parts of dimethylbenzene, 1 part of butanol, propylene glycol monomethyl ether 2 is added
Part, it is stirred with the speed of 200~500 turns/min, until epoxy resin is dissolved completely in the mixed solvent, epoxy liquid is made；Claim
It takes 27 parts of polyamide (230~250mgKOH/g of amine value) to feed intake in container, 24 parts of dimethylbenzene, 2 parts of butanol, third is added
4 parts of glycol methyl ether, 3 parts of cyclohexanone are stirred with the speed of 200~500 turns/min, until polyamide is dissolved completely in mixing
In solvent, polyamide liquid is made；Under stirring, epoxy liquid is slowly added dropwise into above-mentioned polyamide liquid, with 200
The speed of~500 turns/min is stirred to being completely dissolved, and room temperature 24 hours, modified amine curing agent is made；Under stirring,
18 parts of amino silane GX-600 are slowly added dropwise into above-mentioned modified amine curing agent, with the speed of 200~500 turns/min stir to
It is completely dissolved, room temperature 5 hours；The non-volatile part of sampling and measuring adjusts non-volatile part to (48 ± 3) % with mixed solvent, uses
80 mesh filter screens filter and package, and universal primer component B is made.
Component A by weight: component B=10:3 when universal primer uses.
Test piece preparation is typically prepared method according to GB/T 1727-1992 paint film, and ground is TU2 copper alloy, and specification is
75mm × 150mm × 1mm, priming paint preparation flow: degreasing → cleaning → spray-applied primer → maintenance, curing period 7d, traditional performance
Testing priming paint film thickness is (23 ± 3) μm, other performance test priming paint film thickness are (40 ± 5) μm.Copper alloy surface primer performance
Test result is shown in Table -1.
- 1 nonferrous metal of table universal primer service check result
It is above major part detection method press relevant national standard method progress, prepared universal primer aluminium alloy,
The nonferrous metal surfaces such as stainless steel, copper alloy have excellent adhesive force and good antiseptic property, while matching with a variety of finishing coats
Set property is good, and paint special kind, optimization technological process, the requirement for improving coating efficiency are reduced when meeting site operation.
Although embodiments of the present invention are described in detail, it should be understood that, without departing from of the invention
In the case where spirit and scope, embodiments of the present invention can be made with various changes, replacement and change.
Claims (6)
1. a kind of nonferrous metal universal primer, the priming paint are made of component A and component B, by weight component A: component B
=10:3-5, which is characterized in that the component A is made of following components in parts by weight: 20-30 parts of epoxy resin, modified ring
10-18 parts of oxygen resin, 7-13 parts of coloring pigment, 15-21 parts of environmental friendly, anti-corrosive pigment, 6-10 parts of talcum powder, blanc fixe 4-6
Part, 1-3 parts of mica powder, 0.5-2 parts of anti-settling agent, 0.1-1 parts of adhesion promoter, 0.1-1 parts of wetting dispersing agent, levelling agent 0.1-
1 part, 10-20 parts of mixed solvent；The modified amine curing agent and mixed solvent that the component B is grafted by amino silane are constituted；It is described
Component A is prepared by following preparation method:
1) 20-30 parts of epoxy resin, 10-18 parts of modified epoxy additions are fed intake in container, mixed solvent 10-20 is added
Part, 10-15min is stirred with the speed of 200-500 turns/min；
2) 0.5-2 parts of anti-settling agent, 0.1-1 parts of adhesion promoter, 0.1-1 parts of wetting dispersing agent, levelling agent 0.1-1 are sequentially added
Part, 10-15min is stirred with the speed of 200-500 turns/min；
3) coloring pigment 7-13 parts, 15-21 parts of environmental friendly, anti-corrosive pigment, 6-10 parts of talcum powder, precipitated sulfur is added by inventory again
Sour barium 4-6 parts, 1-3 parts of mica powder stir 20-30min with the speed of 800-1200 turns/min, after mixing evenly upper mill, grinding
To fineness≤40 μm；
4) non-volatile part of sampling and measuring after fineness is qualified adjusts non-volatile part to 75 ± 3%, with 80 mesh filter screen mistakes with mixed solvent
Filter packaging；
Epoxy resin described in component A is one of E-20 epoxy resin, E-12 epoxy resin, E-06 epoxy resin or more
Kind；The modified epoxy is dimer acid modified epoxy resin, aliphatic chain polyester modified epoxy resin, modified glycidol ether
One of or it is a variety of；
The component B is prepared by following preparation method:
1) 5-9 parts of low-molecular-weight epoxy resin are fed intake in container, are added mixed solvent 10-15 part, with 200-500 turn/
The speed of min stirs, until epoxy resin is dissolved completely in the mixed solvent, epoxy liquid is made；
2) 20-30 parts of polyamide are fed intake in container, is added mixed solvent 30-40 parts, with 200-500 turns/min's
Polyamide liquid is made until polyamide is dissolved completely in the mixed solvent in speed stirring；
3) under stirring, epoxy liquid is slowly added dropwise into above-mentioned polyamide liquid, is stirred with the speed of 200-500 turns/min
It mixes to being completely dissolved, room temperature 24 hours, modified amine curing agent is made；
4) under stirring, 15-25 parts of amino silane are slowly added dropwise into above-mentioned modified amine curing agent, with 200-500 turn/
The speed of min is stirred to being completely dissolved, and room temperature 3-5 hours；
5) non-volatile part of sampling and measuring adjusts non-volatile part to 48 ± 3% with mixed solvent, is filtered and packaged with 80 mesh filter screens；
Modified amine curing agent described in component B is obtained by low-molecular-weight epoxy resin and polyamide addition reaction, described low
Molecular weight epoxy is one or both of E-51 epoxy resin, E-44 epoxy resin, the amine value range of polyamide
For 230-360mgKOH/g.
2. nonferrous metal universal primer according to claim 1, which is characterized in that coloring pigment described in component A is
One of rutile type titanium white, organic yellow, phthalocyanine blue, phthalocyanine green are a variety of；The environmental friendly, anti-corrosive pigment be without chromium,
The anti-corrosion paint of lead, the anti-corrosion paint without chromium, lead is trbasic zinc phosphate, modified zinc phosphate, aluminium triphosphate, composite zinc phosphate
One of aluminium, barium metaborate, zinc oxide are a variety of；The talcum powder is the talcum powder of 400-800 mesh；Blanc fixe is
The blanc fixe of 400-800 mesh；Mica powder is high-purity, the sericite in powder with good lamellar structure.
3. nonferrous metal universal primer according to claim 1, which is characterized in that anti-settling agent described in component A is to have
One of machine bentonite, polyamide wax, fumed silica are a variety of；The adhesion promoter is polyhydroxy phosphate class
Adhesion promoter；Wetting dispersing agent is BYK-161 or BYK-163；Levelling agent is EFKA-3777 or EFKA-3772.
4. nonferrous metal universal primer according to claim 1, which is characterized in that mixed solvent described in component A is
One of dimethylbenzene, butanol, isopropanol, propylene glycol monomethyl ether, ethylene glycol ethyl ether, methyl iso-butyl ketone (MIBK) are a variety of.
5. nonferrous metal universal primer according to claim 1, which is characterized in that amino silane described in component B is
γ aminopropyltriethoxy silane, gamma-amino propyl trimethoxy silicane, phenylaminomethyl triethoxysilane, phenylamino
One of methyltrimethoxysilane is a variety of.
6. nonferrous metal universal primer according to claim 1, which is characterized in that mixed solvent described in component B is
One of dimethylbenzene, butanol, propylene glycol monomethyl ether, cyclohexanone are a variety of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237571.2A CN106752718B (en) | 2016-12-28 | 2016-12-28 | A kind of nonferrous metal universal primer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237571.2A CN106752718B (en) | 2016-12-28 | 2016-12-28 | A kind of nonferrous metal universal primer and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106752718A CN106752718A (en) | 2017-05-31 |
| CN106752718B true CN106752718B (en) | 2019-11-29 |
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| CN108517168B (en) * | 2018-03-28 | 2020-09-15 | 苏州中材非金属矿工业设计研究院有限公司 | Illite anti-corrosion primer and preparation method thereof |
| CN109535935A (en) * | 2018-11-24 | 2019-03-29 | 上海凯虹特种材料科技有限公司 | A kind of gray epoxy wear resistant and rustproof paint and its preparation process |
| CN112094561B (en) * | 2019-06-17 | 2022-01-04 | Ppg工业俄亥俄公司 | Insulating coating composition |
| CN110437708A (en) * | 2019-07-30 | 2019-11-12 | 中车青岛四方机车车辆股份有限公司 | A kind of aluminium alloy High Performance Corrosion Protective Coatings and its application method |
| CN111019484A (en) * | 2019-12-25 | 2020-04-17 | 常州佳尔科仿真器材有限公司 | Special high-performance anticorrosive primer and preparation method thereof |
| CN115466375A (en) * | 2022-09-05 | 2022-12-13 | 天津中航百慕新材料技术有限公司 | Low-viscosity curing agent, light alloy coating and coating preparation method |
| CN118308015A (en) * | 2024-06-05 | 2024-07-09 | 广东腐蚀科学与技术创新研究院 | Organosilicon modified flexible epoxy hydrophobic insulating paint and preparation method and application thereof |
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| CN102732130A (en) * | 2012-07-18 | 2012-10-17 | 中国海洋石油总公司 | High solid anticorrosive paint and preparation method thereof |
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| CN102732130A (en) * | 2012-07-18 | 2012-10-17 | 中国海洋石油总公司 | High solid anticorrosive paint and preparation method thereof |
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Address after: China CNOOC Building No. 25 Beijing 100010 Dongcheng District Chaoyangmen North Street, room 1414 Co-patentee after: CNOOC CHANGZHOU PAINT CHEMICAL RESEARCH INSTITUTE Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Co-patentee after: CNOOC CHANGZHOU EP COATING Co.,Ltd. Address before: China CNOOC Building No. 25 Beijing 100010 Dongcheng District Chaoyangmen North Street, room 1414 Co-patentee before: CNOOC CHANGZHOU PAINT CHEMICAL RESEARCH INSTITUTE Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Co-patentee before: CNOOC CHANGZHOU EP COATING Co.,Ltd. |