CN104559716A - Polyurethane modified epoxide resin antirust coating and preparation method thereof - Google Patents
Polyurethane modified epoxide resin antirust coating and preparation method thereof Download PDFInfo
- Publication number
- CN104559716A CN104559716A CN201410813316.2A CN201410813316A CN104559716A CN 104559716 A CN104559716 A CN 104559716A CN 201410813316 A CN201410813316 A CN 201410813316A CN 104559716 A CN104559716 A CN 104559716A
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- China
- Prior art keywords
- epoxy resin
- polyurethane
- preparation
- parts
- cellosolve acetate
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/58—Epoxy resins
-
- 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
-
- 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
-
- 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
- C09D7/66—Additives characterised by particle size
- C09D7/69—Particle size larger than 1000 nm
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a polyurethane modified epoxide resin antirust coating and a preparation method thereof. The antirust coating is prepared from the following raw materials in parts by weight: 48 parts of polyurethane-modified epoxy resin, 12 parts of soluble phenolic resin, 6-20 parts of polypropylene glycol-modified nylon, 15 parts of silica (particle size: 8 micrometers), 5 parts of polyethylene powder and 20 parts of N-methyl-2-oxazolidinone. The antirust coating provided by the invention is used for coating products such as automobiles and household appliances with high quality requirements, and is excellent in corrosion resistance; the coated products look dignified and bright in appearance; the coating is excellent in secondary adhesive force and high in tensile strength.
Description
Technical field
The invention belongs to macromolecular material and make field, be specifically related to a kind of polyurethane modified epoxy resin rust proof paint and preparation method thereof.
Background technology
Current use be roughly oiliness and water-based two kinds.Oily antirust varniss makes the greasy removal difficulty of material surface, seldom uses.Aqueous antirust paint is easy to use, cheap, but because of containing the toxic substance such as nitrite, chromic salt, comparatively large to operator's harm, country limits use, and these type of product performance are single, can not meet the antirust requirement of magnetic alloy material.
Water-based metal rust-inhibiting paint selects the powerful sequestrant myo-Inositol hexaphosphate of metal to be main component, and several aqueous promoter is composite forms with other.Myo-Inositol hexaphosphate is the Nantural non-toxic Organic chemical products extracted from food crop; when it uses as magneticsubstance rust-preventive agent; at surface and the rapid chelating of metal, the unit molecule complex compound protective membrane of one deck densification can be formed, effectively can suppress corrosion of metal.Material surface after this product treatment keeps primary colors, need not wash and can enter the next procedures such as application.
Summary of the invention
Object of the present invention is used for the application of the product such as automobile, household electrical appliances that high quality requires, erosion resistance is excellent, outward appearance air is bright, secondary sticking power is excellent, a kind of polyurethane modified epoxy resin rust proof paint that pull resistance is strong and preparation method thereof, this water-borne coatings is made up of the raw material of following weight part: polyurethane-reinforcement epoxy resin-48, resol resin-12, polypropylene glycol modified nylon-6-20, silicon-dioxide (particle diameter 8 μm)-15, polyethylene powders-5, N-methyl-2-chain rate alkane ketone-20; The preparation of coating first adds polyurethane-reinforcement epoxy resin by above-mentioned formula ratio in a mixing tank, under agitation add resol resin, be added in again in N-methyl-2-chain rate alkane ketone and dissolve silica 15 parts and the polyethylene powders that polypropylene glycol modified nylon-6 (concentration is 20% weight) solution 20 parts and particle diameter are 8 μm, then fully dispersion is uniformly mixed, then regulate amount of solid content to be 20% with N-methyl-2-chain rate alkane ketone, both obtain coating.
Described polyurethane-reinforcement epoxy resin is made up of following raw material: component A, and epoxy resin-475, dimethylbenzene-95, cellosolve acetate-119, nonane diacid-40, thanomin-8.3, methylethylketone-130 are made; Epoxy resin, dimethylbenzene, cellosolve acetate is added by above-mentioned formula in a reactor, nonane diacid, thanomin is added after dissolving, be warming up to 145 DEG C, react 6h at this temperature, when solid resin acid number is 1.1KOHmg/g, add dimethylbenzene and methyl ethyl ketone solvent, then cool and both obtained component A; B component, isoflurane chalcone diisocyanate-212, cellosolve acetate-222, ε-caprolactam-115, in a reactor, add cellosolve acetate by above-mentioned formula dissolve isoflurane chalcone diisocyanate, then 80 DEG C are warming up to, ε-caprolactam and cellosolve acetate is instilled in 1h, continue reaction 3h at 80 DEG C more afterwards, both B component; In said components A, add B component and cellosolve acetate by formula, be warming up to 100 DEG C afterwards, reaction 3h, then adds Virahol, and cooling both obtained polyurethane-reinforcement epoxy resin.
Described polypropylene glycol modified nylon-6 preparation is by the hexanolactam of anhydrous ε-caprolactam by 1mol and the pyridine two carbonyl dicaprolactam share of 2mol in a mixing tank, fully be uniformly mixed afterwards, then the metal pattern of maintenance 140 DEG C is directly injected, be polymerized at 140 DEG C, the time of about 6min, namely complete.
The positively effect that the present invention has is:
The present invention is used for the application of the product such as automobile, household electrical appliances that high quality requires, erosion resistance is excellent, and outward appearance air is bright, secondary sticking power is excellent, and pull resistance is strong.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and be not used in restriction invention.
A kind of automobile Amino Polyester inter coat coating and preparation method thereof.This coating is made up of the raw material of following weight part: polyurethane-reinforcement epoxy resin-48, resol resin-12, polypropylene glycol modified nylon-6-20, silicon-dioxide (particle diameter 8 μm)-15, polyethylene powders-5, N-methyl-2-chain rate alkane ketone-20; The preparation of coating first adds polyurethane-reinforcement epoxy resin by above-mentioned formula ratio in a mixing tank, under agitation add resol resin, be added in again in N-methyl-2-chain rate alkane ketone and dissolve silica 15 parts and the polyethylene powders that polypropylene glycol modified nylon-6 (concentration is 20% weight) solution 20 parts and particle diameter are 8 μm, then fully dispersion is uniformly mixed, then regulate amount of solid content to be 20% with N-methyl-2-chain rate alkane ketone, both obtain coating.
Polyurethane-reinforcement epoxy resin is made up of following raw material: component A, and epoxy resin-475, dimethylbenzene-95, cellosolve acetate-119, nonane diacid-40, thanomin-8.3, methylethylketone-130 are made; Epoxy resin, dimethylbenzene, cellosolve acetate is added by above-mentioned formula in a reactor, nonane diacid, thanomin is added after dissolving, be warming up to 145 DEG C, react 6h at this temperature, when solid resin acid number is 1.1KOHmg/g, add dimethylbenzene and methyl ethyl ketone solvent, then cool and both obtained component A; B component, isoflurane chalcone diisocyanate-212, cellosolve acetate-222, ε-caprolactam-115, in a reactor, add cellosolve acetate by above-mentioned formula dissolve isoflurane chalcone diisocyanate, then 80 DEG C are warming up to, ε-caprolactam and cellosolve acetate is instilled in 1h, continue reaction 3h at 80 DEG C more afterwards, both B component; In said components A, add B component and cellosolve acetate by formula, be warming up to 100 DEG C afterwards, reaction 3h, then adds Virahol, and cooling both obtained polyurethane-reinforcement epoxy resin.
The preparation of polypropylene glycol modified nylon-6 is by the hexanolactam of anhydrous ε-caprolactam by 1mol and the pyridine two carbonyl dicaprolactam share of 2mol in a mixing tank, fully be uniformly mixed afterwards, then the metal pattern of maintenance 140 DEG C is directly injected, be polymerized at 140 DEG C, the time of about 6min, namely complete.
Wherein, with adding the pyridine-2 of 1mol, 6-bis-chloroformyl hydrochlorate, the ε-caprolactam of 6mol and the pyridine as chloride absorbent in the flask reactor of stirrer, nitrogen ingress pipe, under nitrogen atmosphere, in 120 DEG C of reaction 1h, then secondary response thing devotes in a large amount of cold water, reaction is made to generate precipitation and separate out, then filter, with pure water, then use methanol cleaning, carry out vacuum-drying afterwards, both obtain pale powder pyridine two carbonyl dicaprolactam.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. polyurethane modified epoxy resin rust proof paint and preparation method thereof, is characterized in that: this coating is made up of the raw material of following weight part: polyurethane-reinforcement epoxy resin-48, resol resin-12, polypropylene glycol modified nylon-6-20, silicon-dioxide (particle diameter 8 μm)-15, polyethylene powders-5, N-methyl-2-chain rate alkane ketone-20; The preparation of coating first adds polyurethane-reinforcement epoxy resin by above-mentioned formula ratio in a mixing tank, under agitation add resol resin, be added in again in N-methyl-2-chain rate alkane ketone and dissolve silica 15 parts and the polyethylene powders that polypropylene glycol modified nylon-6 (concentration is 20% weight) solution 20 parts and particle diameter are 8 μm, then fully dispersion is uniformly mixed, then regulate amount of solid content to be 20% with N-methyl-2-chain rate alkane ketone, both obtain coating.
2. a kind of polyurethane modified epoxy resin rust proof paint and preparation method thereof according to claim 1, it is characterized in that, described polyurethane-reinforcement epoxy resin is made up of following raw material: component A, and epoxy resin-475, dimethylbenzene-95, cellosolve acetate-119, nonane diacid-40, thanomin-8.3, methylethylketone-130 are made; Epoxy resin, dimethylbenzene, cellosolve acetate is added by above-mentioned formula in a reactor, nonane diacid, thanomin is added after dissolving, be warming up to 145 DEG C, react 6h at this temperature, when solid resin acid number is 1.1KOHmg/g, add dimethylbenzene and methyl ethyl ketone solvent, then cool and both obtained component A; B component, isoflurane chalcone diisocyanate-212, cellosolve acetate-222, ε-caprolactam-115, in a reactor, add cellosolve acetate by above-mentioned formula dissolve isoflurane chalcone diisocyanate, then 80 DEG C are warming up to, ε-caprolactam and cellosolve acetate is instilled in 1h, continue reaction 3h at 80 DEG C more afterwards, both B component; In said components A, add B component and cellosolve acetate by formula, be warming up to 100 DEG C afterwards, reaction 3h, then adds Virahol, and cooling both obtained polyurethane-reinforcement epoxy resin.
3. a kind of polyurethane modified epoxy resin rust proof paint and preparation method thereof according to claim 1, it is characterized in that, described polypropylene glycol modified nylon-6 preparation is by the hexanolactam of anhydrous ε-caprolactam by 1mol and the pyridine two carbonyl dicaprolactam share of 2mol in a mixing tank, fully be uniformly mixed afterwards, then the metal pattern of maintenance 140 DEG C is directly injected, be polymerized at 140 DEG C, the time of about 6min, namely complete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410813316.2A CN104559716A (en) | 2014-12-24 | 2014-12-24 | Polyurethane modified epoxide resin antirust coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410813316.2A CN104559716A (en) | 2014-12-24 | 2014-12-24 | Polyurethane modified epoxide resin antirust coating and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104559716A true CN104559716A (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410813316.2A Pending CN104559716A (en) | 2014-12-24 | 2014-12-24 | Polyurethane modified epoxide resin antirust coating and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104559716A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62283161A (en) * | 1986-05-30 | 1987-12-09 | Nippon Paint Co Ltd | Coating compound composition for rust-preventive steel plate |
| US4756935A (en) * | 1985-09-18 | 1988-07-12 | Nippon Paint Co., Ltd. | Primer composition for a metallic material and a coating method using the same |
| CN101434806A (en) * | 2008-12-18 | 2009-05-20 | 扬州三川实业有限公司 | Anti-corrosive powder paint for steel support frame |
-
2014
- 2014-12-24 CN CN201410813316.2A patent/CN104559716A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4756935A (en) * | 1985-09-18 | 1988-07-12 | Nippon Paint Co., Ltd. | Primer composition for a metallic material and a coating method using the same |
| JPS62283161A (en) * | 1986-05-30 | 1987-12-09 | Nippon Paint Co Ltd | Coating compound composition for rust-preventive steel plate |
| CN101434806A (en) * | 2008-12-18 | 2009-05-20 | 扬州三川实业有限公司 | Anti-corrosive powder paint for steel support frame |
Non-Patent Citations (1)
| Title |
|---|
| 沈春林等: "《涂料配方手册》", 31 October 2000, 中国石化出版社 * |
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Application publication date: 20150429 |
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| WD01 | Invention patent application deemed withdrawn after publication |