CN109535905A - A kind of preparation method of coating plastic components water soluble acrylic acid amino baking white paint - Google Patents
A kind of preparation method of coating plastic components water soluble acrylic acid amino baking white paint Download PDFInfo
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- CN109535905A CN109535905A CN201811460408.1A CN201811460408A CN109535905A CN 109535905 A CN109535905 A CN 109535905A CN 201811460408 A CN201811460408 A CN 201811460408A CN 109535905 A CN109535905 A CN 109535905A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
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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
Abstract
The present invention relates to a kind of preparation methods of coating plastic components water soluble acrylic acid amino baking white paint, the following steps are included: first synthesizing a kind of water based acrylic resin WR. 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 investment with paint cylinder, neutralizer and water is added, high-speed stirred is for a period of time, pH value is adjusted, adds amino resins, defoaming agent according still further to certain ratio, levelling agent, wetting agent, dispersing agent and stock white enter with paint cylinder, high-speed stirred is for a period of time, acid catalyst, solvent and water are added, high-speed stirred is for a period of time, after sample detection fineness and viscosity are qualified, packaging.
Description
Technical field
The present invention relates to a kind of preparation methods of coating plastic components water soluble acrylic acid amino baking white paint, belong to height
The synthesis technical field of molecular 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, automotive oil tank, mechanical equipment, stainless steel door, aluminium alloy
Door and window, plastic components and steel structure component etc..
The water resistance and salt fog resistance of water soluble acrylic acid amino-stoving varnish are far superior to water alcohol acid amino-stoving varnish and aqueous poly-
Ester amino-stoving varnish, water soluble acrylic acid amino-stoving varnish must can just be fully cured in 120 degree of bakings currently on the market, not be suitable for
Plastic components.The coating plastic components water soluble acrylic acid amino baking white paint that the present invention prepares has used homemade acid catalyst
D-075, being baked to nineties degree can be fully cured, and can be used for partly plastic component.
It is including following the present invention relates to a kind of preparation method of coating plastic components water soluble acrylic acid amino baking white paint
Step:
(1) a kind of water based acrylic resin WR, step are first synthesized are as follows: the monomer for participating in polymerization and initiator is added to enter to be added dropwise
Tank is uniformly mixed, and solubilizer enters reaction kettle, is opened stirring, is passed through nitrogen, is heated to reaction temperature, and the mixed of dropping tank is added dropwise
Object is closed, is dripped 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, drop
Temperature, discharging.
(2) neutralizer and a small amount of water is added with paint cylinder in water based acrylic resin WR investment, adjusts pH value, high speed
Stirring a period of time.
(3) according to a certain percentage under high velocity agitation respectively plus amino resins, defoaming agent, levelling agent, wetting agent are aqueous
Stock white and dispersing agent enter with paint cylinder, and high-speed stirred for a period of time, adds homemade acid catalyst, solvent and water, high-speed stirring
Mix a period of time.
(4) after sample detection fineness and viscosity are qualified, packaging.
Preferably, the solid content of water based acrylic resin WR is 55% to 75% in the step (1), and viscosity is
Centipoise/25 degree 500-10000 (rotational viscometer).
Preferably, acid catalyst is homemade acid catalyst D-075 in the step (3).
Specific embodiment
Below with reference to embodiment to a kind of system of coating plastic components water soluble acrylic acid amino baking white paint of the invention
Preparation Method is further described.It is understood that specific embodiment described herein is used only for explaining related invention,
Rather than the restriction to the invention.
Embodiment 1
(1) a kind of water based acrylic resin WR, step are first synthesized are as follows: first 5 grams of acrylic acid, 2 grams of methacrylic acids, 30 grams
Hydroxypropyl acrylate, 13 grams of styrene, 15 grams of butyl acrylates, 28 grams of butyl methacrylates, 8 grams of dibenzoyl peroxides add
Enter 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
Gas is heated to 90-93 degree, and the mixture of dropping tank is added dropwise, and drips off within 4 hours, keeps the temperature 3 hours in 90-93 degree, adds 2 grams of peroxides
Change dibenzoyl, keeps the temperature 5 hours in 90-93 degree, cool down, discharging.
(2) 60 grams of water based acrylic resin WR investments are opened high-speed stirred, 5 grams of dimethyl ethanols is added with paint cylinder
Amine and 1 gram of water, adjustment pH value are 8.5-8.8, are continued high-speed stirred 30 minutes.
(3) plus 13 grams of solid contents be 80% 325,0.3 gram of amino resins cyanogen spy, 270,0.2 gram of Digao Digao 902W, 0.2
Gram 450,0.2 gram of Digao 755 and 12 gram aqueous white of Digao is starched into paint cylinder, and high-speed stirred 0.5 hour, then plus 3 grams of acid catalysis
Agent D-075,5 grams of DBE and 80 gram of water enter with paint cylinder, 1 hour of high-speed stirred
(4) for sample detection fineness less than 50 microns, water use regulation viscosity is packaging behind centipoise/25 degree 1800-2300.
Embodiment 2
(1) a kind of water based acrylic resin WR, step are first synthesized are as follows: first 7 grams of acrylic acid, 12 grams of vinyl acetates, 21 grams
Methyl methacrylate, 18 grams of hydroxypropyl acrylates, 17 grams of butyl acrylates, 15 grams of butyl methacrylates, 6 grams of benzoyl peroxides
Dropping tank is added in penta butyl ester of formic acid, is uniformly mixed.Add 8 grams of isobutanols and 42 grams enter ethylene glycol monobutyl ether and enter reaction kettle, opens
Stirring, is passed through nitrogen, is heated to 110-115 degree, the mixture of dropping tank is added dropwise, drip off within 6 hours, small in the heat preservation 2 of 110-115 degree
When, 0.5 gram of peroxidized t-butyl perbenzoate is added, 6 hours is kept the temperature in 110-115 degree, cools down, discharging.
(2) 65 grams of water based acrylic resin WR investments are added 5 grams of triethylamines and 0.5 gram of water, adjust PH with paint cylinder
Being worth is 7.6-7.8, high-speed stirred 30 minutes.
(3) plus 15 grams of solid contents be 80% amino resins 5717,0.3 gram of three wood, 270,0.3 gram of Digao Digao 902W, 0.2
Gram 450,0.2 gram of Digao 755 and 13 gram aqueous white of Digao is starched into paint cylinder, and high-speed stirred 0.5 hour, then plus 3 grams of acid catalysis
Agent D-075,8 grams of DBE and 75 gram of water enter with paint cylinder, 1 hour of high-speed stirred
(4) for sample detection fineness less than 50 microns, water use regulation viscosity is packaging behind centipoise/25 degree 1800-2300.
Embodiment 3
(1) a kind of water based acrylic resin WR, step are first synthesized are as follows: first 6 grams of acrylic acid, 5 grams of vinyl acetates, 25 grams of first
Base methyl acrylate, 15 grams of hydroxypropyl acrylates, 17 grams of butyl acrylates, 15 grams of butyl methacrylates, 6 grams of benzoyl peroxide first
Dropping tank is added in tert-butyl acrylate, is uniformly mixed.Add 40 grams to enter ethylene glycol monobutyl ether and enter reaction kettle, opens stirring, be passed through nitrogen,
It is heated to 110-115 degree, the mixture of dropping tank is added dropwise, is dripped off within 5 hours, 4 hours is kept the temperature in 110-115 degree, adds 0.5 gram of mistake
T-butyl perbenzoate is aoxidized, 6 hours is kept the temperature in 110-115 degree, cools down, discharging.
(2) 65 grams of water based acrylic resin WR investments are added 5 grams of triethylamines and 0.5 gram of water, adjust PH with paint cylinder
Being worth is 7.6-7.8, high-speed stirred 30 minutes.
(3) plus 14 grams of solid contents be 80% amino resins 5717,0.3 gram of three wood, 270,0.3 gram of Digao Digao 902W, 0.2
Gram 450,0.2 gram of Digao 755 and 11 gram aqueous white of Digao is starched into paint cylinder, high-speed stirred 0.5 hour, adds 3 grams of acid catalysts
D-075,8 grams of glycol monoethyl ethers and 75 grams of water enter with paint cylinder, 1 hour of high-speed stirred
(4) for sample detection fineness less than 50 microns, water use regulation viscosity is packaging behind centipoise/25 degree 1800-2300.
Embodiment 4
(1) a kind of water based acrylic resin WR, step are first synthesized are as follows: first 2 grams of methacrylic acids, 4 grams of methacrylic acids,
5 grams of methacrylic acid norbornene esters, 5 grams of methyl methacrylates, 15 grams of hydroxy-ethyl acrylates, 21 grams of butyl acrylates, 33 grams of first
Base butyl acrylate, 8 grams of peroxidized t-butyl perbenzoates are added dropping tank, are uniformly mixed.45 grams are added to enter propyleneglycol monobutyl
Ether enters reaction kettle, opens stirring, is passed through nitrogen, is heated to 145-150 degree, and the mixture of dropping tank is added dropwise, and drips off within 4 hours,
145-150 degree keeps the temperature 2 hours, adds 0.5 gram of peroxidized t-butyl perbenzoate, keeps the temperature 6 hours in 130-135 degree, cooling, out
Material.
(2) 65 grams of water based acrylic resin WR investments are added 5.5 grams of triethylamines and 0.5 gram of water, adjusted with paint cylinder
PH value is 7.8-8.3, high-speed stirred 30 minutes.
(3) plus 13 grams of solid contents be 80% amino resins 5717,0.2 gram of three wood, 270,0.2 gram of Digao Digao 902W, 0.2
Gram 450,0.3 gram of Digao 755 and 12 gram aqueous white of Digao is starched into paint cylinder, high-speed stirred 0.5 hour, adds 4 grams of acid catalysts
D-075,8 grams of glycol monoethyl ethers and 75 grams of water, which enter to match, paints cylinder, and high-speed stirred 1 hour.
(4) for sample detection fineness less than 50 microns, water use regulation viscosity is packaging behind centipoise/25 degree 1800-2300.
The performance (95 degree of baking temperature, 30 minutes, 20 microns of film thickness) of 4 example baking vanish
| Baking vanish number | Example 1 | Example 2 | Example 3 | Example 4 | |
| Hardness | 2H | 2H | 2H | 2H | |
| Gloss (60 degree of glossometers | 90-92 | 91-93 | 92-94 | 90-93 | |
| Richness | It is good | It is good | It is good | It is good | |
| Bubble 240 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 200 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 (4)
1. the present invention relates to a kind of preparation method of coating plastic components water soluble acrylic acid amino baking white paint, including following step
It is rapid:
(1) a kind of water based acrylic resin WR, step are first synthesized are as follows: the monomer for participating in polymerization and initiator is added to enter to be added dropwise
Tank is uniformly mixed, and solubilizer enters reaction kettle, is opened stirring, is passed through nitrogen, is heated to reaction temperature, and the mixed of dropping tank is added dropwise
Object is closed, is dripped 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, drop
Temperature, discharging；
(2) neutralizer and a small amount of water is added with paint cylinder in water based acrylic resin WR investment, adjusts pH value, high-speed stirred
For a period of time；
(3) add amino resins, defoaming agent, levelling agent, wetting agent, aqueous white respectively under high velocity agitation according to a certain percentage
Slurry, dispersing agent enter with paint cylinder, and high-speed stirred for a period of time, adds homemade acid catalyst, solvent and water, and one section of high-speed stirred
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 water based acrylic resin WR in the step (1)
Solid content is 55% to 75%, and viscosity is centipoise/25 degree 500-10000 (rotational viscometer), hydroxyl value 80-100mgKOH/g.
3. according to preparation method described in right 1, which is characterized in that the acid catalyst in the step (3) is that homemade acid is urged
Agent D-075.
4. the coating plastic components water soluble acrylic acid amino that preparation method described in claims 1 to 3 any one is prepared
Toast white paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811460408.1A CN109535905A (en) | 2018-12-01 | 2018-12-01 | A kind of preparation method of coating plastic components water soluble acrylic acid amino baking white paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811460408.1A CN109535905A (en) | 2018-12-01 | 2018-12-01 | A kind of preparation method of coating plastic components water soluble acrylic acid amino baking white paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109535905A true CN109535905A (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811460408.1A Withdrawn CN109535905A (en) | 2018-12-01 | 2018-12-01 | A kind of preparation method of coating plastic components water soluble acrylic acid amino baking white paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109535905A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002080799A (en) * | 2000-09-04 | 2002-03-19 | Kansai Paint Co Ltd | Thermosetting water-based coating composition for wall paper having excellent contamination resistance |
| CN102167941A (en) * | 2010-02-26 | 2011-08-31 | 温州邦轩科技有限公司 | Aqueous plastic coating paint |
| CN103937360A (en) * | 2013-01-17 | 2014-07-23 | 深圳市莱莉雅环保科技有限公司 | Preparation method of low-temperature curing water-based glass baking paint |
-
2018
- 2018-12-01 CN CN201811460408.1A patent/CN109535905A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002080799A (en) * | 2000-09-04 | 2002-03-19 | Kansai Paint Co Ltd | Thermosetting water-based coating composition for wall paper having excellent contamination resistance |
| CN102167941A (en) * | 2010-02-26 | 2011-08-31 | 温州邦轩科技有限公司 | Aqueous plastic coating paint |
| CN103937360A (en) * | 2013-01-17 | 2014-07-23 | 深圳市莱莉雅环保科技有限公司 | Preparation method of low-temperature curing water-based glass baking paint |
Non-Patent Citations (1)
| Title |
|---|
| 盛茂桂等: "《新型聚氨酯树脂涂料生产技术与应用》", 28 February 2010, 广东科技出版社 * |
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Application publication date: 20190329 |