CN109439201A - A method of aqueous silicate zinc-rich rust-proof antiseptic paint is prepared with surface active grafting glass flake - Google Patents
A method of aqueous silicate zinc-rich rust-proof antiseptic paint is prepared with surface active grafting glass flake Download PDFInfo
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- CN109439201A CN109439201A CN201811286224.8A CN201811286224A CN109439201A CN 109439201 A CN109439201 A CN 109439201A CN 201811286224 A CN201811286224 A CN 201811286224A CN 109439201 A CN109439201 A CN 109439201A
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- parts
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- zinc
- glass flake
- surface active
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Classifications
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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
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
-
- 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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- 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
-
- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- 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
Abstract
The invention discloses a kind of methods for preparing aqueous silicate zinc-rich rust-proof antiseptic paint with surface active grafting glass flake; dimethylbenzene is added into glass flake; after high-speed stirred dispersion; under nitrogen protection, KH560 hydrolyzate, temperature reaction is added dropwise; it is washed with dimethylbenzene, tetrahydrofuran; after Soxhlet purification, vacuum drying obtains the glass flake of surface active grafting KH560；Dry toluene is added into micaceous iron oxide; it is ultrasonically treated after stirring; under nitrogen protection; after the mixture reaction of toluene-2,4-diisocyanate, dibutyl tin dilaurate, dry toluene is added dropwise; temperature reaction; filtering is washed repeatedly with dry toluene, and the modified micaceous iron oxide filler of toluene-2,4-diisocyanate is made；Film forming matter is added to be sanded in dispersator and is stirred, deionized water, zinc powder stirring is added, the modified pigments and fillers of front gained are added, continues to stir, aqueous silicate zinc-rich rust-proof antiseptic paint is made.
Description
Technical field
The invention belongs to chemical industry pump technical fields, and in particular to a kind of to prepare aqueous silicon with surface active grafting glass flake
The method of hydrochlorate zinc-rich rust-proof antiseptic paint.
Background technique
Chemical pump needs in chemical industry or petrochemical industry production in high temperature, low temperature, high pressure, inflammable, explosive, toxic strong corruption
It works under erosion medium, higher to its performance requirement, chemical pump can also be in high inlet pressure, high viscosity, small flow, high cavitation erosion item
It works under part, it is therefore, higher to the performance requirement of chemical pump, when carrying out the chemical pump manufacturing, it will usually in the pump housing
One layer of corrosion resistant coating of upper coating, to protect the pump housing, and the impeller of chemical pump also needs to contact a large amount of corrosive substances,
Equally surface corrosion resistance can be needed higher.
Flakey inorganic filler has the characteristic for being parallel to each other and being arranged under the overlay in the coating, and the compactness of coating can be improved
With anti-medium permeability.Glass flake is due to its excellent chemical stabilization, rust-preventing characteristic, alkali resistance, salt fog resistance, weatherability
Etc. performances, be widely used in anticorrosive paint.However, since glass flake and polymer are in chemical structure and physical aspect
There are significant difference, the two compatibility is poor, seriously affects the Corrosion Protection of coating.Therefore, glass flake filler is carried out
Surface is modified, becomes the hot spot studied at present.
Micaceous iron oxide is one of principal item of rust resisting pigment, and flaky crystallization, heat resistance is up to 800 DEG C or more.
There is good formation film, excellent adhesive force and connection performance, anti-atmosphere pollution and purple with coating made of micaceous iron oxide
The durability and be easy to apply the features such as dressing up thick film that outer light is radiationless, splendid.
Summary of the invention
The purpose of the present invention is be directed to existing problem, provide it is a kind of with surface active grafting glass flake prepare it is aqueous
The method of silicate zinc-rich rust-proof antiseptic paint has excellent according to the aqueous silicate zinc-rich rust-proof antiseptic paint of this method production
Rustless property and antiseptic property.
The present invention is achieved by the following technical solutions:
A method of aqueous silicate zinc-rich rust-proof antiseptic paint is prepared with surface active grafting glass flake, which is characterized in that
Include the following steps:
(1) preparation of surface active grafting glass flake:
Into 16-20 parts of glass flakes, dimethylbenzene is added in 1:15, after high-speed stirred disperses 20-30min, is protected in 60-65 DEG C, nitrogen
Under shield, KH560 hydrolyzate is added dropwise, 80-85 DEG C of reaction 2-3h is warming up to, then be warming up to 105-115 DEG C of reaction 50-70min, with two
Toluene washs 3-4 times, tetrahydrofuran washing 2-3 times, after Soxhlet purifies 10-12h, in 110-113 DEG C of vacuum drying, obtains surface
The glass flake of activated grafting KH560；
(2) modification of micaceous iron oxide filler:
Into 5-10 parts of micaceous iron oxides, dry toluene is added in 1:20,20-30min is ultrasonically treated after stirring 30-40min, in nitrogen
Under gas shielded, 3-6 parts of toluene-2,4-diisocyanates, 0.05-0.1 parts of dibutyl tin dilaurates, 50-100 parts of dry toluenes are added dropwise
Mixture be warming up to 90-93 DEG C of reaction 5-6h after reacting 1-2h, filtering is washed repeatedly with dry toluene, obtained two isocyanides
The ester modified micaceous iron oxide filler of sour toluene；
(3) preparation of aqueous silicate zinc-rich rust-proof antiseptic paint:
60-120 parts of film forming matters are added to be sanded in dispersator and are stirred, 10-20 parts of deionized waters, 100-150 parts of zinc are added
Powder stirs 15-20min, and (1), the modified pigments and fillers of (2) middle gained are added, continues to stir 15-20min, aqueous silicate richness is made
Zinc rust-proof antiseptic paint.
Further, in step (1) silane coupling agent KH560 hydrolyzate preparation: by 5-10 parts of silane coupling agents
KH560,0.5-1 parts of methanol, 1-2 parts of glycerine and 50-90 parts of dehydrated alcohols, 5-10 parts of deionized water mixing, are adjusted with ethyl alcohol
PH is 3-7, stands 1-2h after mixing evenly, and silane coupling agent KH560 hydrolyzate is made.
Further, film forming matter is nanometer modified aqueous inorganic zinc-rich coating resins in step (3), and zinc powder refers to 400-500
Purpose spherical zinc powder.
The present invention has the advantage that compared with prior art
(1) glass flake of surface active grafting is prepared for as active bridging agent using silane coupling agent KH560, grafting changes
Property glass flake surface there is the characteristic peak of organic matter and C, N element, significant change occurs for surface topography, it was demonstrated that glass squama
Piece surface success grafting and coating organic matter；The compatibility of modified glass flakes and resin is good, is uniformly dispersed in the coating；It applies
The performances such as adhesive force, chemical-resistant, shear tension, permeability resistance, the impact resistance of layer are improved.
(2) micaceous iron oxide is modified with toluene-2,4-diisocyanate, is prepared for the modified cloud of toluene-2,4-diisocyanate
Female iron oxide filler；It solves micaceous iron oxide lamella easily to occur reuniting, disperse non-uniform phenomenon, gives full play to lamella to corruption
The retardance energy for losing medium improves its intermiscibility with resin, point of improvement lamella in the coating to lamella pigments and fillers graft modification
Mode for cloth is conducive to the antiseptic property for improving coating.
(3) using nanometer modified aqueous inorganic zinc-rich coating resins as film forming matter, collocation spherical zinc powder, surface active grafting
The modified micaceous iron oxide filler of glass flake, the toluene-2,4-diisocyanate of KH560, it is anti-to be prepared for aqueous silicate zinc-rich antirust
Corruption paint.
Specific embodiment
Embodiment 1
A method of aqueous silicate zinc-rich rust-proof antiseptic paint is prepared with surface active grafting glass flake, which is characterized in that
Include the following steps:
(1) preparation of surface active grafting glass flake:
Into 16 parts of glass flakes, dimethylbenzene is added in 1:15, after high-speed stirred disperses 20min, under 60-65 DEG C, nitrogen protection,
KH560 hydrolyzate is added dropwise, is warming up to 80-85 DEG C of reaction 2h, then be warming up to 105-115 DEG C of reaction 50min, washs 3 with dimethylbenzene
Secondary, tetrahydrofuran washs 2 times, after Soxhlet purifies 10h, in 110-113 DEG C of vacuum drying, obtains surface active grafting KH560's
Glass flake；
(2) modification of micaceous iron oxide filler:
Into 5 parts of micaceous iron oxides, dry toluene is added in 1:20, is ultrasonically treated 20min after stirring 30min, under nitrogen protection,
The mixture of 3 parts of toluene-2,4-diisocyanates, 0.05 part of dibutyl tin dilaurate, 50 parts of dry toluenes is added dropwise, after reacting 1h, rises
Temperature to 90-93 DEG C of reaction 5h, filtering is washed repeatedly with dry toluene, and the modified micaceous iron oxide of toluene-2,4-diisocyanate is made
Filler；
(3) preparation of aqueous silicate zinc-rich rust-proof antiseptic paint:
60 parts of film forming matters are added to be sanded in dispersator and are stirred, 10 parts of deionized waters, 100 parts of zinc powder stirring 15min are added,
(1), the modified pigments and fillers of (2) middle gained are added, continues to stir 15min, aqueous silicate zinc-rich rust-proof antiseptic paint is made.
Further, in step (1) silane coupling agent KH560 hydrolyzate preparation: by 5 parts of silane coupling agent KH560,
0.5 part of methanol, 1 part of glycerine and 50 parts of dehydrated alcohols, 5 parts of deionized water mixing, adjusting pH with ethyl alcohol is 3-7, is stirred evenly
After stand 1h, be made silane coupling agent KH560 hydrolyzate.
Further, film forming matter is nanometer modified aqueous inorganic zinc-rich coating resins in step (3), and zinc powder refers to 400-500
Purpose spherical zinc powder.
Embodiment 2
A method of aqueous silicate zinc-rich rust-proof antiseptic paint is prepared with surface active grafting glass flake, which is characterized in that
Include the following steps:
(1) preparation of surface active grafting glass flake:
Into 20 parts of glass flakes, dimethylbenzene is added in 1:15, after high-speed stirred disperses 30min, under 60-65 DEG C, nitrogen protection,
KH560 hydrolyzate is added dropwise, is warming up to 80-85 DEG C of reaction 3h, then be warming up to 105-115 DEG C of reaction 70min, washs 4 with dimethylbenzene
Secondary, tetrahydrofuran washs 3 times, after Soxhlet purifies 12h, in 110-113 DEG C of vacuum drying, obtains surface active grafting KH560's
Glass flake；
(2) modification of micaceous iron oxide filler:
Into 10 parts of micaceous iron oxides, dry toluene is added in 1:20, is ultrasonically treated 30min after stirring 40min, under nitrogen protection,
The mixture of 6 parts of toluene-2,4-diisocyanates, 0.1 part of dibutyl tin dilaurate, 100 parts of dry toluenes is added dropwise, after reacting 2h, rises
Temperature to 90-93 DEG C of reaction 6h, filtering is washed repeatedly with dry toluene, and the modified micaceous iron oxide of toluene-2,4-diisocyanate is made
Filler；
(3) preparation of aqueous silicate zinc-rich rust-proof antiseptic paint:
120 parts of film forming matters are added to be sanded in dispersator and are stirred, 20 parts of deionized waters, 150 parts of zinc powder stirrings are added
20min is added (1), the modified pigments and fillers of (2) middle gained, continues to stir 20min, aqueous silicate zinc-rich rust-proof antiseptic paint is made.
Further, in step (1) silane coupling agent KH560 hydrolyzate preparation: by 10 parts of silane coupling agent KH560,1
Part methanol, 2 parts of glycerine and 90 parts of dehydrated alcohols, 10 parts of deionized waters mixing, adjusting pH with ethyl alcohol is 3-7, after mixing evenly
2h is stood, silane coupling agent KH560 hydrolyzate is made.
Further, film forming matter is nanometer modified aqueous inorganic zinc-rich coating resins in step (3), and zinc powder refers to 400-500
Purpose spherical zinc powder.
There is excellent rustless property and anti-corrosion according to the aqueous silicate zinc-rich rust-proof antiseptic paint of the method for the present invention production
Performance can be applied to the antirust, anti-corrosive of chemical pump；
It is sky to add aqueous silicate zinc rich paint prepared by glass flake, micaceous iron oxide filler without any modification
White control group:
Surface adhesion force by the aqueous silicate zinc-rich rust-proof antiseptic paint of preparation of the embodiment of the present invention is 11MPa, adhesive force etc.
Grade reaches 1 grade, improves 76% compared with blank control group；Impact resistance is good, impact strength 50kgcm；Pencil hardness is reachable
4H；Coating is acidproof, alkaline-resisting, salt resistant character is superior to blank control group.
Claims (3)
1. a kind of method for preparing aqueous silicate zinc-rich rust-proof antiseptic paint with surface active grafting glass flake, feature exist
In including the following steps:
(1) preparation of surface active grafting glass flake:
Into 16-20 parts of glass flakes, dimethylbenzene is added in 1:15, after high-speed stirred disperses 20-30min, is protected in 60-65 DEG C, nitrogen
Under shield, KH560 hydrolyzate is added dropwise, 80-85 DEG C of reaction 2-3h is warming up to, then be warming up to 105-115 DEG C of reaction 50-70min, with two
Toluene washs 3-4 times, tetrahydrofuran washing 2-3 times, after Soxhlet purifies 10-12h, in 110-113 DEG C of vacuum drying, obtains surface
The glass flake of activated grafting KH560；
(2) modification of micaceous iron oxide filler:
Into 5-10 parts of micaceous iron oxides, dry toluene is added in 1:20,20-30min is ultrasonically treated after stirring 30-40min, in nitrogen
Under gas shielded, 3-6 parts of toluene-2,4-diisocyanates, 0.05-0.1 parts of dibutyl tin dilaurates, 50-100 parts of dry toluenes are added dropwise
Mixture be warming up to 90-93 DEG C of reaction 5-6h after reacting 1-2h, filtering is washed repeatedly with dry toluene, obtained two isocyanides
The ester modified micaceous iron oxide filler of sour toluene；
(3) preparation of aqueous silicate zinc-rich rust-proof antiseptic paint:
60-120 parts of film forming matters are added to be sanded in dispersator and are stirred, 10-20 parts of deionized waters, 100-150 parts of zinc are added
Powder stirs 15-20min, and (1), the modified pigments and fillers of (2) middle gained are added, continues to stir 15-20min, aqueous silicate richness is made
Zinc rust-proof antiseptic paint.
2. it is according to claim 1 it is a kind of with surface active grafting glass flake prepare aqueous silicate zinc-rich antirust, anti-corrosive
The method of paint, which is characterized in that the preparation of silane coupling agent KH560 hydrolyzate in step (1):
KH560,0.5-1 parts of methanol of 5-10 parts of silane coupling agents, 1-2 parts of glycerine and 50-90 parts of dehydrated alcohols, 5-10 parts are gone
Ionized water mixing, adjusting pH with ethyl alcohol is 3-7, stands 1-2h after mixing evenly, and silane coupling agent KH560 hydrolyzate is made.
3. it is according to claim 1 it is a kind of with surface active grafting glass flake prepare aqueous silicate zinc-rich antirust, anti-corrosive
The method of paint, which is characterized in that film forming matter is nanometer modified aqueous inorganic zinc-rich coating resins in step (3), and zinc powder refers to 400-
The spherical zinc powder of 500 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286224.8A CN109439201A (en) | 2018-10-31 | 2018-10-31 | A method of aqueous silicate zinc-rich rust-proof antiseptic paint is prepared with surface active grafting glass flake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286224.8A CN109439201A (en) | 2018-10-31 | 2018-10-31 | A method of aqueous silicate zinc-rich rust-proof antiseptic paint is prepared with surface active grafting glass flake |
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| CN109439201A true CN109439201A (en) | 2019-03-08 |
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| CN201811286224.8A Pending CN109439201A (en) | 2018-10-31 | 2018-10-31 | A method of aqueous silicate zinc-rich rust-proof antiseptic paint is prepared with surface active grafting glass flake |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107189618A (en) * | 2017-05-27 | 2017-09-22 | 太仓卡斯特姆新材料有限公司 | A kind of waterborne inorganic einc-rich primer and preparation method thereof |
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| CN108659589A (en) * | 2018-05-02 | 2018-10-16 | 兴通力得（北京）科技股份有限公司 | A kind of fire-resistant anticorrosion paint and preparation method thereof of aqueous inorganic band rust derusting |
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2018
- 2018-10-31 CN CN201811286224.8A patent/CN109439201A/en active Pending
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| CN107189618A (en) * | 2017-05-27 | 2017-09-22 | 太仓卡斯特姆新材料有限公司 | A kind of waterborne inorganic einc-rich primer and preparation method thereof |
| CN107974162A (en) * | 2017-11-21 | 2018-05-01 | 马鞍山天宇船舶制造有限公司 | A kind of preparation method for the antirust waterproof antiwear type phenolic resin coating that micaceous iron oxide is modified |
| CN108102513A (en) * | 2018-01-24 | 2018-06-01 | 广州市希尔德新材料科技有限公司 | A kind of steel structure bridge renovation anticorrosive paint |
| CN108659589A (en) * | 2018-05-02 | 2018-10-16 | 兴通力得（北京）科技股份有限公司 | A kind of fire-resistant anticorrosion paint and preparation method thereof of aqueous inorganic band rust derusting |
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Application publication date: 20190308 |