CN109504198A - A kind of preparation method of water soluble acrylic acid amino baking varnish of the paint thickness of dry film up to 60 microns - Google Patents
A kind of preparation method of water soluble acrylic acid amino baking varnish of the paint thickness of dry film up to 60 microns Download PDFInfo
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- CN109504198A CN109504198A CN201811360024.2A CN201811360024A CN109504198A CN 109504198 A CN109504198 A CN 109504198A CN 201811360024 A CN201811360024 A CN 201811360024A CN 109504198 A CN109504198 A CN 109504198A
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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
- C09D131/00—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 an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
- C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09D131/04—Homopolymers or copolymers of vinyl acetate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F218/00—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 an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid
- C08F218/02—Esters of monocarboxylic acids
- C08F218/04—Vinyl esters
- C08F218/08—Vinyl acetate
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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
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
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Abstract
A kind of preparation method of water soluble acrylic acid amino baking varnish the present invention relates to paint thickness of dry film up to 60 microns, the following steps are included: first synthesizing a kind of water based acrylic resin WR-006. step are as follows: the monomer for participating in polymerization and initiator is added to enter dropping tank, it is uniformly mixed, solubilizer enters reaction kettle, open stirring, it is passed through nitrogen, it is heated to reaction temperature, the mixture of dropping tank is added dropwise, drips off within a certain period of time, heat preservation a period of time, initiator is added, is dripped off in certain time, heat preservation a period of time, cooling, discharging.Water based acrylic resin WR-006 investment with paint cylinder, neutralizer and water is added, high-speed stirred is for a period of time, adjust pH value, add amino resins, defoaming agent, levelling agent according still further to certain ratio, wetting agent, high-speed stirred for a period of time, adds solvent and water, high-speed stirred is for a period of time, after sample detection fineness and viscosity are qualified, packaging.
Description
Technical field
A kind of preparation method of water soluble acrylic acid amino baking varnish the present invention relates to paint thickness of dry film up to 60 microns, belongs to
In the synthesis technical field of macromolecular organic compound.
Technical background
Water paint advantage: first, with water as solvent, saves vast resources；Fire risk when eliminating construction；It reduces
To atmosphere pollution；Only with a small amount of hypotoxicity alcohol ethers organic solvent, operating environmental condition is improved.General water paint has
Between 15%~15%, the second water paint can be coated directly in wet structure and wet environment and be applied solvent (accounting for coating)
Work；Good to material surface adaptability, coating adhesion is strong.Third coating tool can wash by water, and greatly reduce cleaning solvent
Consumption.So the dosage of water paint is increasing, wherein the most outstanding is water soluble acrylic acid amino-stoving varnish, dosage is increasingly
Greatly, it is mainly used for coating coiled material, metal bucket, electric vehicle, motorcycle, automobile, mechanical equipment, stainless steel door, aluminium alloy door and window, steel
Structure component etc..
Many water soluble acrylic acid amino baking varnish disposably thick cannot apply currently on the market, spray paint film up to 60 microns
When, the phenomenon that often blistering, in order to solve this problem, 5-30% diethylene glycol is added in we in the process for preparation of paint
Monobutyl ether will not blister when discovery paint film thickness is up to 60 microns.The reason is that the boiling point of diethylene glycol monobutyl ether is at 230 degree
More than, belong to high boiling solvent, volatilization is slow, good to the dissolubility of paint.
Summary of the invention
Invention it is described be related to a kind of system of the water soluble acrylic acid amino baking varnish of paint thickness of dry film up to 60 microns
Preparation Method, comprising the following steps:
(1) a kind of water based acrylic resin WR-006. step is first synthesized are as follows: the monomer for participating in polymerization and initiator is added to enter
Dropping tank is uniformly mixed, and solubilizer enters reaction kettle, is opened stirring, is passed through nitrogen, and reaction temperature is heated to, and dropping tank is added dropwise
Mixture, drip off within a certain period of time, heat preservation a period of time, add initiator, dripped off in certain time, when keeping the temperature one section
Between, cool down, discharging.
(2) neutralizer and a small amount of water is added with paint cylinder in water based acrylic resin WR-006 investment, adjusts pH value,
High-speed stirred is for a period of time.
(3) add amino resins, defoaming agent, levelling agent, wetting agent, dispersion respectively under high velocity agitation according to a certain percentage
Agent enters with paint cylinder, and high-speed stirred for a period of time, adds solvent and water, high-speed stirred is for a period of time.
(4) after sample detection fineness and viscosity are qualified, packaging.
Preferably, the solvent in the step (3) is diethylene glycol monobutyl ether.
Specific embodiment
Water soluble acrylic acid amino below with reference to embodiment to a kind of paint thickness of dry film of the invention up to 60 microns toasts clearly
The preparation method of paint is further described.It is understood that specific embodiment described herein is used only for explaining phase
It closes and invents, rather than the restriction to the invention.
Embodiment 1
(1) a kind of water based acrylic resin WR-006, step are first synthesized are as follows: first 4 grams of acrylic acid, 4 grams of methacrylic acids,
40 grams of vinyl acetates, 20 grams of hydroxypropyl acrylates, 15 grams of styrene, 10 grams of butyl acrylates, 8 grams of dibenzoyl peroxides are added
Dropping tank is uniformly mixed.Add 15 grams of isobutanols and 35 grams enter ethylene glycol monobutyl ether and enter reaction kettle, opens stirring, be passed through nitrogen,
It is heated to 90-93 degree, the mixture of dropping tank is added dropwise, is dripped off within 4 hours, 3 hours is kept the temperature in 90-93 degree, adds 2 grams of peroxidating two
Benzoyl keeps the temperature 5 hours in 90-93 degree, cools down, discharging.
(2) 5 grams of dimethylethanolamines and 10 grams are added with paint cylinder in 60 grams of water based acrylic resin WR-006 investments
Water, adjustment pH value be 8.2-8.5, high-speed stirred 30 minutes.
(3) plus 13 grams of solid contents be 80% 325,0.2 gram of amino resins cyanogen spy, 270,0.2 gram of Digao Digao 902W, 0.2
Gram Digao 450 enters with paint cylinder, high-speed stirred half an hour, adds 90 grams of water, 6 grams of diethylene glycol monobutyl ethers, and high-speed stirred half is small
When.
(4) for sample detection fineness less than 50 microns, water use regulation viscosity is packaging behind centipoise/25 degree 2000-2300.
Embodiment 2
(1) a kind of water based acrylic resin WR-006, step are first synthesized are as follows: first 5 grams of acrylic acid, 3 grams of methacrylic acids,
45 grams of vinyl acetates, 5 grams of methyl methacrylates, 15 grams of hydroxypropyl acrylates, 17 grams of butyl acrylates, 8 grams of diphenyl peroxides
Dropping tank is added in formyl, is uniformly mixed.Add 15 grams of isobutanols and 35 grams enter ethylene glycol monobutyl ether and enter reaction kettle, opens stirring,
It is passed through nitrogen, is heated to 85-88 degree, the mixture of dropping tank is added dropwise, is dripped off within 3 hours, 2 hours is kept the temperature in 85-88 degree, adds
1.5 grams of dibenzoyl peroxides keep the temperature 1 hour in 85-88 degree, are uniformly being warming up to 2 hours drops of 95-98 heat preservation with 1 hour
Temperature, discharging.
(2) 65 grams of water based acrylic resin WR-006 investments are added 5 grams of triethylamines and 10 grams of water, adjusted with paint cylinder
Whole pH value be 7.6-7.8, high-speed stirred 30 minutes.
(3) plus 13 grams of solid contents be 80% 325,0.2 gram of amino resins cyanogen spy, 270,0.2 gram of Digao Digao 902W, 0.2
Gram Digao 450 enters with paint cylinder, high-speed stirred half an hour, adds 85 grams of water, 8 grams of diethylene glycol monobutyl ethers, and high-speed stirred half is small
When.
(4) for sample detection fineness less than 50 microns, water use regulation viscosity is packaging behind centipoise/25 degree 1800-2000.
Embodiment 3
(1) a kind of water based acrylic resin WR-006, step are first synthesized are as follows: first 6 grams of acrylic acid, 30 grams of vinyl acetates,
Dropping tank is added in 25 grams of styrene, 20 grams of hydroxypropyl acrylates, 15 grams of butyl acrylates, 8 grams of dibenzoyl peroxides, and stirring is mixed
It closes uniform.Add 20 butanol and 30 grams enter the tertiary butyl ether of ethylene glycol list and enter reaction kettle, opens stirring, be passed through nitrogen, be heated to 83-86 degree,
The mixture of dropping tank is added dropwise, drips off within 3 hours, keeps the temperature 2 hours in 83-86 degree, 1 gram of dibenzoyl peroxide is added, in 83-
86 degree keep the temperature 5 hours, cool down, discharging.
(2) 70 grams of water based acrylic resin WR-006 investments are added 5 grams of tri-n-butylamines and 10 grams of water, adjusted with paint cylinder
Whole pH value be 8.3-8.8, high-speed stirred 30 minutes.
(3) plus 15 grams of solid contents be 80% 325,0.2 gram of amino resins cyanogen spy, 270,0.2 gram of Digao Digao 902W, 0.2
Gram Digao 450 enters with paint cylinder, high-speed stirred half an hour, adds 80 grams of water, 9 grams of diethylene glycol monobutyl ethers, and high-speed stirred half is small
When.
(4) for sample detection fineness less than 50 microns, water use regulation viscosity is packaging behind centipoise/25 degree 2000-2300.
Embodiment 4
(1) a kind of water based acrylic resin WR-006, step are first synthesized are as follows: first 8 grams of methacrylic acids, 50 grams of acetic acid second
Alkene, 20 grams of hydroxypropyl acrylates, 18 grams of styrene, 8 grams of butyl acrylates, 10 grams of dibenzoyl peroxides are added dropping tank, stir
It mixes uniformly mixed.Add 15 grams of butanol and 35 grams enter glycol monoethyl ether and enter reaction kettle, opens stirring, be passed through nitrogen, be heated to 80-83
Degree, is added dropwise the mixture of dropping tank, drips off within 2 hours, keeps the temperature 2 hours in 80-83 degree, adds 1.5 grams of dibenzoyl peroxides,
2 hours are kept the temperature in 80-83 degree, was equably warming up to 92-95 degree with 1 hour, vacuum cup hour cools down, discharging.
(2) 5 grams of dimethylethanolamines and 10 grams are added with paint cylinder in 60 grams of water based acrylic resin WR-005 investments
Water, adjustment pH value be 7.5-7.8, high-speed stirred 30 minutes.
(3) plus 13 grams of solid contents be 80% 325,0.2 gram of amino resins cyanogen spy, 270,0.2 gram of Digao Digao 902W, 0.2
Gram Digao 450 enters with paint cylinder, high-speed stirred half an hour, adds 85 grams of water, 8 grams of diethylene glycol monobutyl ethers, and high-speed stirred half is small
When.
(4) for sample detection fineness less than 50 microns, water use regulation viscosity is packaging behind centipoise/25 degree 2000-2300.
The performance of 4 example baking vanish (film thickness is 20 microns)
| Baking vanish number | Example 1 | Example 2 | Example 3 | Example 4 | |
| Hardness | 2H | 2H | 2H | 2H | |
| Gloss (60 degree of glossometers | 112-115 | 110-14 | 115-117 | 111-115 | |
| Richness | It is good | It is good | It is good | It is good | |
| Boiling 3 hours | It is not blistering, it does not fall off | It is not blistering, it does not fall off | It is not blistering, it does not fall off | It is not blistering, it does not fall off | |
| Salt spray resistance 300 hours | Pass through | Pass through | Pass through | Pass through | |
| UV machine shines 300 hours | Pass through | Pass through | Pass through | Pass through | |
| Adhesive force (baige method) | Pass through | Pass through | Pass through | Pass through | |
| Recoil hits 50 centimetres kilograms | Pass through | Pass through | Pass through | Pass through | |
| Flexibility | 0 grade | 0 grade | 0 grade | 0 grade |
Although the present invention has described it in detail and cited embodiments, but for those of ordinary skill in the art, it is clear that can
With various schemes, modification and the change made as specified above, should be construed as being included within the scope of the claims.
Claims (3)
1. a kind of preparation method of the water soluble acrylic acid amino baking varnish the present invention relates to paint thickness of dry film up to 60 microns, packet
Include following steps:
(1) a kind of water based acrylic resin WR-006. step is first synthesized are as follows: the monomer for participating in polymerization and initiator is added to enter
Dropping tank is uniformly mixed, and solubilizer enters reaction kettle, is opened stirring, is passed through nitrogen, and reaction temperature is heated to, and dropping tank is added dropwise
Mixture, drip off within a certain period of time, heat preservation a period of time, add initiator, dripped off in certain time, when keeping the temperature one section
Between, cool down, discharging；
(2) neutralizer and a small amount of water is added with paint cylinder in water based acrylic resin WR-003 investment, adjusts pH value, high speed
Stirring a period of time；
(3) add amino resins respectively under high velocity agitation according to a certain percentage, defoaming agent, levelling agent, wetting agent, which enters to match, to be painted
Cylinder, high-speed stirred for a period of time, add solvent and water, high-speed stirred is for a period of time；
(4) after sample detection fineness and viscosity are qualified, packaging.
2. according to preparation method described in right 1, which is characterized in that the solvent in the step (3) is diethylene glycol monobutyl ether.
3. a kind of paint thickness of dry film that preparation method described in claim 1 to 2 any one is prepared is up to 60 microns of water
The preparation method of property amino acrylic baking varnish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811360024.2A CN109504198A (en) | 2018-11-15 | 2018-11-15 | A kind of preparation method of water soluble acrylic acid amino baking varnish of the paint thickness of dry film up to 60 microns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811360024.2A CN109504198A (en) | 2018-11-15 | 2018-11-15 | A kind of preparation method of water soluble acrylic acid amino baking varnish of the paint thickness of dry film up to 60 microns |
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| Publication Number | Publication Date |
|---|---|
| CN109504198A true CN109504198A (en) | 2019-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811360024.2A Withdrawn CN109504198A (en) | 2018-11-15 | 2018-11-15 | A kind of preparation method of water soluble acrylic acid amino baking varnish of the paint thickness of dry film up to 60 microns |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110343434A (en) * | 2019-07-31 | 2019-10-18 | 山东七维新材料有限公司 | Agricultural equipment aqueous amino-stoving varnish and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101914185A (en) * | 2010-09-08 | 2010-12-15 | 廊坊金汇利工业涂料有限公司 | Hydroxy acrylic resin aqueous dispersion and water-based coating prepared therefrom |
| CN102190933A (en) * | 2010-03-05 | 2011-09-21 | 立邦涂料（中国）有限公司 | Acrylic-amino type coating varnish composition for automobiles, varnish and application thereof |
| CN103923549A (en) * | 2014-04-17 | 2014-07-16 | 浩力森涂料（上海）有限公司 | One-component water-based finish coating made from acrylic amino resin and preparation method of coating |
| CN106543840A (en) * | 2016-11-04 | 2017-03-29 | 广东海顺新材料科技有限公司 | Water based acrylic resin and water soluble acrylic acid amino-stoving varnish and preparation method and metal works beneficial to deep processing |
-
2018
- 2018-11-15 CN CN201811360024.2A patent/CN109504198A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102190933A (en) * | 2010-03-05 | 2011-09-21 | 立邦涂料（中国）有限公司 | Acrylic-amino type coating varnish composition for automobiles, varnish and application thereof |
| CN101914185A (en) * | 2010-09-08 | 2010-12-15 | 廊坊金汇利工业涂料有限公司 | Hydroxy acrylic resin aqueous dispersion and water-based coating prepared therefrom |
| CN103923549A (en) * | 2014-04-17 | 2014-07-16 | 浩力森涂料（上海）有限公司 | One-component water-based finish coating made from acrylic amino resin and preparation method of coating |
| CN106543840A (en) * | 2016-11-04 | 2017-03-29 | 广东海顺新材料科技有限公司 | Water based acrylic resin and water soluble acrylic acid amino-stoving varnish and preparation method and metal works beneficial to deep processing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110343434A (en) * | 2019-07-31 | 2019-10-18 | 山东七维新材料有限公司 | Agricultural equipment aqueous amino-stoving varnish and preparation method thereof |
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Application publication date: 20190322 |