CN111560211A - Water-based environment-friendly steel drum paint and preparation method thereof - Google Patents
Water-based environment-friendly steel drum paint and preparation method thereof Download PDFInfo
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- CN111560211A CN111560211A CN202010392006.3A CN202010392006A CN111560211A CN 111560211 A CN111560211 A CN 111560211A CN 202010392006 A CN202010392006 A CN 202010392006A CN 111560211 A CN111560211 A CN 111560211A
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
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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
- C09D7/20—Diluents or solvents
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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
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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
- C09D7/65—Additives macromolecular
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to the technical field of water-based paint, in particular to water-based environment-friendly steel drum paint and a preparation method thereof, wherein the steel drum paint comprises 20-40 parts of water-based polyester resin, 10-30 parts of deionized water, 0.5-2 parts of water-based defoaming agent, 1-3 parts of neutralizing agent, 10-20 parts of pigment and filler, 3-5 parts of cosolvent, 5-10 parts of amino resin, 0.5-3 parts of water-based surface auxiliary agent, 0.3-0.6 part of water-based leveling agent, 1-3 parts of adhesion promoter and 0.3-1.5 parts of anti-settling agent; the preparation method comprises the following steps: sequentially adding the waterborne polyester resin, the waterborne defoaming agent, the neutralizing agent, the deionized water and the pigment and filler into a cylinder for stirring, and transferring into a sand mill for grinding; slowly adding water-based surface auxiliary agent, water-based flatting agent, adhesion promoter, amino resin, cosolvent and anti-settling agent, filtering and packaging. The steel drum paint disclosed by the invention is good in constructability, low in VOC (volatile organic compounds), simple in preparation method and capable of well meeting market demands.
Description
Technical Field
The invention relates to the technical field of water-based paint, in particular to water-based environment-friendly steel drum paint and a preparation method thereof.
Background
At present, most of steel barrel paint is oil paint, and the damage to the health of a human body and the environment is great in the using process. The water-based paint can greatly reduce the discharge of VOC and ensure the health of operators.
However, the water-based steel barrel paint on the market at present has the technical problems of poor workability and high VOC (volatile organic compounds) emission; meanwhile, the steel barrel paint is high-temperature baking type baking paint which needs to be baked for 10-20 minutes at the temperature of above 160 ℃, and the general water-based metal paint is self-drying paint, so that the hardness and acid and alkali resistance of the water-based metal paint can not meet the requirements of the steel barrel paint, and the water-based metal paint can not be used for replacing the steel barrel paint.
Based on the above, the water-based environment-friendly steel drum paint with good construction performance and low VOC and the preparation method thereof are urgent.
Disclosure of Invention
Aiming at the technical problems of poor construction performance and high VOC emission of the existing water-based steel drum paint, the invention provides the water-based environment-friendly steel drum paint and the preparation method thereof.
In a first aspect, the invention provides an aqueous environment-friendly steel drum paint, which comprises the following raw materials in parts by weight:
20-40 parts of water-based polyester resin, 10-30 parts of deionized water, 0.5-2 parts of water-based defoaming agent, 1-3 parts of neutralizing agent, 10-20 parts of pigment and filler, 3-5 parts of cosolvent, 5-10 parts of amino resin, 0.5-3 parts of water-based surface additive, 0.3-0.6 part of water-based leveling agent, 1-3 parts of adhesion promoter and 0.3-1.5 parts of anti-settling agent.
Further, the aqueous polyester resin is an acrylic modified polyester resin, preferably wakame 821. The acrylic acid modified polyester resin and certain amino are cured and crosslinked, can be crosslinked and cured within a short time (10 minutes), meets the ordered production of a steel drum spraying line, and can improve the acid resistance, alkali resistance and water resistance under the condition of ensuring weather resistance.
Further, the aqueous defoaming agent is polyether siloxane emulsion, and preferably the dosage ratio is 1: 1: 1 mixture of TEGO810, TEGO902W, and BYK 019.
Further, the neutralizing agent is dimethylethanolamine.
Further, the pigment and the filler comprise pigments and fillers, the pigments comprise titanium white and phthalocyanine blue, and the fillers comprise barium sulfate.
Further, the cosolvent is a mixture of ethylene glycol butyl ether and dipropylene glycol methyl ether.
Further, the amino resin is Zhanxin 325 or Yuanbang 5625.
Further, the aqueous surface auxiliary agent is a wetting agent, and is preferably BYK346 or BYK 333.
Further, the water-based leveling agent is one or more of an acrylate leveling agent and an organic silicon leveling agent, the acrylate leveling agent is preferably BYK381, and the organic silicon leveling agent is preferably TEGO 100.
Further, the adhesion promoter is HMP-F of Changxing 4901 or OMG.
Further, the anti-settling agent is Tesbarone 633E.
In a second aspect, the invention provides a preparation method of the water-based environment-friendly steel drum paint, which comprises the following steps:
(1) sequentially adding the water-based polyester resin, the water-based defoaming agent, the neutralizing agent, the deionized water and the pigment and filler into a cylinder, stirring at the rotating speed of 500-;
(2) slowly adding the water-based surface auxiliary agent, the water-based leveling agent, the adhesion promoter, the amino resin, the cosolvent and the anti-settling agent at the rotating speed of 500-700r/min, filtering and packaging.
The beneficial effect of the invention is that,
the water-based environment-friendly steel drum paint provided by the invention reduces the solvent content of the existing water-based steel drum paint to a great extent, has the advantages of good construction performance, low VOC and the like, and ensures the weather resistance, acid resistance, alkali resistance and water resistance of the paint by utilizing the curing and crosslinking action of the acrylic acid modified polyester resin and the amino resin; the addition of the adhesion promoter greatly improves the adhesion of the steel drum paint; the anti-settling agent ensures that a wet film does not flow and hang in the spraying process of the steel drum, and a paint film with uniform film thickness is formed; the matching of the defoaming agent ensures that no bubble, no stable bubble, no paint film shrinkage cavity and other defects exist in the spraying process.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The water-based environment-friendly steel drum paint comprises the following raw materials in parts by weight:
35 parts of water-based polyester resin, 22 parts of deionized water, 1.2 parts of water-based defoaming agent, 3 parts of neutralizing agent, 19 parts of pigment and filler, 3.5 parts of cosolvent, 8 parts of amino resin, 2.4 parts of water-based surface additive, 0.5 part of water-based flatting agent, 2 parts of adhesion promoter and 0.9 part of anti-settling agent, wherein,
the water-based environment-friendly steel barrel paint is Huake 821, and the water-based antifoaming agent is TEGO810, 902W and BYK019 according to the weight ratio of 1: 1: 1, the neutralizer is dimethylethanolamine, the pigment and filler comprises 3 parts of phthalocyanine blue, 4 parts of titanium white and 12 parts of barium sulfate, and the cosolvent is ethylene glycol monobutyl ether and dipropylene glycol methyl ether according to the weight ratio of 2: 3, the amino resin is Zhanxin 325, the water-based surface additive is BYK346, and the water-based leveling agent is BYK381 and TEGO100 according to the weight ratio of 1: 1, the adhesion promoter is Changxing 4901, and the anti-settling agent is Disbalon 633E;
the preparation method comprises the following steps:
(1) sequentially adding the water-based polyester resin, the water-based defoaming agent, the neutralizing agent, the deionized water and the pigment and filler into a cylinder, stirring at the rotating speed of 500-;
(2) slowly adding the water-based surface auxiliary agent, the water-based leveling agent, the adhesion promoter, the amino resin, the cosolvent and the anti-settling agent at the rotating speed of 500-700r/min, filtering and packaging.
Comparative example 1
Comparative example 1 is different from example 1 in the amount of the aqueous polyester resin and the amino resin, and comparative example 1 contains 40 parts of the aqueous polyester resin and 3 parts of the amino resin.
Comparative example 2
Comparative example 1 is different from example 1 in the amount of the aqueous polyester resin and the amino resin, and comparative example 1 contains 30 parts of the aqueous polyester resin and 13 parts of the amino resin.
Test example 1
The coatings of example 1 and comparative examples 1-2 were tested for performance and the results are shown in Table 1 below.
Table 1 test example 1 results of performance test
According to the test results in table 1, the water-based polyester resin and the amino resin used in the steel drum paint are reasonable in dosage, can be crosslinked and cured in a short time, meet the ordered production of steel drum spraying lines, and improve the weather resistance, acid and alkali resistance and water resistance of the paint;
on the basis of the steel drum paint, the using amount of water-based polyester resin is reduced, and the using amount of amino resin is increased, so that the gloss is low, the bending resistance is poor, and a paint film is too brittle;
the water-based polyester resin is added on the basis of the steel drum paint, and the water resistance, acid and alkali resistance are reduced due to the reduction of the amino resin.
Comparative example 3
Comparative example 3 differs from example 1 in the different mix of aqueous defoamer, in comparative example 3 the ratio of the amounts of TEGO810 and 902W and BYK019 is 1.25: 1.25: 0.5.
comparative example 4
Comparative example 4 differs from example 1 in the different mix of aqueous defoamer, in comparative example 4 the ratio of the amounts of TEGO810 and 902W and BYK019 was 0.5: 0.5: 2.
test example 2
The coatings of example 1 and comparative examples 3-4 were tested for performance and the results are shown in Table 2 below.
Table 2 test example 2 results of performance test
According to the test results in table 2, it can be seen that the paint film is not easy to have the phenomena of shrinkage cavity and the like by adopting three mixed antifoaming agents of TEGO810, TEGO902W and BYK 019;
the consumption of BYK019 is reduced, and the consumption of TEGO810 and TEGO902W is increased, so that micro bubbles in the coating are not easy to eliminate, and a paint film is not compact after baking in spraying, thereby affecting the performances of water resistance, acid and alkali resistance and the like;
increase BYK019 quantity, reduce TEGO810 and TEGO902W quantity, remain a large amount of bubbles in the coating, the bubble is difficult for coming out during the spraying, and the outward appearance is uneven smooth after toasting, seriously influences performances such as water-fast, acid and alkali-resistance.
Although the present invention has been described in detail by way of preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The water-based environment-friendly steel drum paint is characterized by comprising the following raw materials in parts by weight:
20-40 parts of water-based polyester resin, 10-30 parts of deionized water, 0.5-2 parts of water-based defoaming agent, 1-3 parts of neutralizing agent, 10-20 parts of pigment and filler, 3-5 parts of cosolvent, 5-10 parts of amino resin, 0.5-3 parts of water-based surface additive, 0.3-0.6 part of water-based leveling agent, 1-3 parts of adhesion promoter and 0.3-1.5 parts of anti-settling agent.
2. A steel drum paint according to claim 1, wherein the water-based polyester resin is an acrylic modified polyester resin.
3. A steel drum paint according to claim 1, wherein the aqueous defoamer is a polyether siloxane emulsion.
4. A steel drum paint according to claim 1, wherein the water-based defoamer is used in an amount ratio of 1: 1: 1 mixture of TEGO810, TEGO902W, and BYK 019.
5. A steel drum paint according to claim 1, characterized in that the neutralizing agent is dimethylethanolamine.
6. A steel drum paint according to claim 1, wherein the pigment and filler comprise pigments and fillers, the pigments comprise titanium white and phthalocyanine blue, and the fillers comprise barium sulfate.
7. A steel drum paint according to claim 1, characterised in that the co-solvent is a mixture of ethylene glycol butyl ether and dipropylene glycol methyl ether.
8. A steel drum paint according to claim 1, wherein the aqueous surface auxiliary agent is a wetting agent.
9. The steel drum paint as claimed in claim 1, wherein the aqueous leveling agent is one or more of an acrylate leveling agent and an organic silicon leveling agent.
10. A method of making a steel drum paint according to claim 1, comprising the steps of:
(1) sequentially adding the water-based polyester resin, the water-based defoaming agent, the neutralizing agent, the deionized water and the pigment and filler into a cylinder, stirring at the rotating speed of 500-;
(2) slowly adding the water-based surface auxiliary agent, the water-based leveling agent, the adhesion promoter, the amino resin, the cosolvent and the anti-settling agent at the rotating speed of 500-700r/min, filtering and packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010392006.3A CN111560211A (en) | 2020-05-09 | 2020-05-09 | Water-based environment-friendly steel drum paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010392006.3A CN111560211A (en) | 2020-05-09 | 2020-05-09 | Water-based environment-friendly steel drum paint and preparation method thereof |
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| CN111560211A true CN111560211A (en) | 2020-08-21 |
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| CN202010392006.3A Withdrawn CN111560211A (en) | 2020-05-09 | 2020-05-09 | Water-based environment-friendly steel drum paint and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113698868A (en) * | 2021-08-20 | 2021-11-26 | 四川泰诺斯新材料科技有限公司 | High-performance water-based steel drum inner wall coating and preparation method thereof |
-
2020
- 2020-05-09 CN CN202010392006.3A patent/CN111560211A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113698868A (en) * | 2021-08-20 | 2021-11-26 | 四川泰诺斯新材料科技有限公司 | High-performance water-based steel drum inner wall coating and preparation method thereof |
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Application publication date: 20200821 |