CN113549358A - Composite preservative for paint and preparation method and application thereof - Google Patents
Composite preservative for paint and preparation method and application thereof Download PDFInfo
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- CN113549358A CN113549358A CN202110856117.XA CN202110856117A CN113549358A CN 113549358 A CN113549358 A CN 113549358A CN 202110856117 A CN202110856117 A CN 202110856117A CN 113549358 A CN113549358 A CN 113549358A
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- parts
- paint
- preservative
- isothiazolinone
- coating
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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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
- C09D125/00—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 aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
-
- 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
-
- 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
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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)
- Plant Pathology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a composite preservative for paint, which is prepared from the following raw materials in parts by weight: 1-5 parts of isothiazolinone, 1-5 parts of bronopol, 10-40 parts of DMDM hydantoin, 2-8 parts of auxiliary agent, 1-6 parts of synergist and 50-80 parts of deionized water; wherein the synergist is disodium ethylene diamine tetraacetate. Meanwhile, the invention also discloses a preparation method of the preservative and application of the preservative in paint. The preservative has low use concentration and strong bactericidal power, can inhibit the growth of various microorganisms under the use amount of 0.10-0.30 percent, and has good compatibility and stability with a coating product.
Description
Technical Field
The invention belongs to the technical field of corrosion prevention, and particularly relates to a composite preservative for paint as well as a preparation method and application thereof.
Background
The coating product is closely related to human life, and the possible microbial pollution problem of the coating in production and storage is the problem of corrosion prevention in a tank, mainly caused by bacteria, mold and the like, and is solved by adding a preservative, purifying the environment and strictly managing the production. The addition of the effective preservative can prevent the problems of demulsification, deterioration, mildew, odor and the like of the product caused by microbial pollution.
Isothiazolinone is a common coating preservative, and divalent metal salts such as calcium, magnesium, copper and the like are generally used as protective agents, so that the phenomena of precipitation, gelation, layering, emulsion breaking and the like of coating products are easily caused by a salt cluster effect. In addition, with the long-term use of the traditional single preservative, some strains generate drug resistance to the specific preservative, so that the dosage of the preservative is continuously increased, and a better preservative effect cannot be obtained. The emergence of resistance means that the product needs to be formulated to inhibit new organisms that develop resistance. Different antiseptic components can be combined and compounded in different proportions so as to complement the advantages, achieve the aims of expanding antimicrobial spectrum, reducing dosage, reducing cost and the like, and play a synergistic role. How to obtain the composite sterilization preservative with good stability and strong sterilization performance is a main problem concerned by researchers.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the composite preservative for the coating, which can effectively reduce the addition amount of the preservative and improve the safety; meanwhile, the invention also provides a preparation method of the preservative and application of the preservative in paint.
The composite preservative for the coating comprises the following raw materials in parts by weight: 1-5 parts of isothiazolinone, 1-5 parts of bronopol, 10-40 parts of DMDM hydantoin, 2-8 parts of auxiliary agent, 1-6 parts of synergist and 50-80 parts of deionized water; wherein the synergist is disodium ethylene diamine tetraacetate.
Preferably, the isothiazolinone is a mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one.
Preferably, the auxiliary agent is at least one of sodium nitrate and sodium bromate.
Preferably, the mass ratio of the 5-chloro-2-methyl-4-isothiazolin-3-ketone to the 2-methyl-4-isothiazolin-3-ketone is (2.5-4): 1.
preferably, the DMDM hydantoin is an aqueous DMDM hydantoin having an active content of 55%.
Preferably, the composite preservative for the paint consists of the following raw materials in parts by weight: 1.5-2.5 parts of isothiazolinone, 2-5 parts of bronopol, 20-30 parts of DMDM hydantoin, 3-6 parts of assistant, 2-4 parts of synergist and 55-71 parts of deionized water.
The preparation method of the composite preservative for the paint comprises the following steps: firstly, dissolving Brobopol in deionized water, then adding DMDM hydantoin and isothiazolinone, stirring and dissolving uniformly, then adding a synergist, finally adding an auxiliary agent, dissolving and filtering to obtain the preservative for the coating.
The application of the composite preservative for the coating in the coating comprises the following steps: the corrosion inhibitor is added to the paint in an amount of 0.1-0.3% by weight of the paint.
Preferably, the coating is an acrylic emulsion coating, a styrene-acrylic emulsion coating or a vinyl acetate emulsion coating.
The invention has the advantages that:
1. the invention adopts different sterilization preservative combinations with various complementary sterilization spectrums to play the optimal sterilization and corrosion prevention effects, realizes the advantage complementation according to the sterilization spectrums of the related preservatives, is formed by scientific compatibility, can realize quick sterilization and long-time bacteriostasis, has better adaptability, low use concentration and strong sterilization capability, and can inhibit the growth of various microorganisms under the use amount of 0.10-0.30 percent.
2. The composite preservative for the coating disclosed by the invention combines the corrosion prevention in a coating system in a container with the corrosion prevention in the upper space in the container, so that the coating material is protected against corrosion in all directions, the drug resistance of microorganisms to the preservative is effectively prevented, and the safety and the comprehensive guarantee of the corrosion prevention are high.
3. The composite preservative for the paint has good stability, is not influenced by anionic, cationic and nonionic surfactants, and has excellent sterilization and bacteriostasis effects within the suggested pH value and temperature range.
4. The composite preservative for the coating disclosed by the invention is high in safety, mild in action, safe and non-toxic in use concentration, and free of stimulation to skin and eye mucosa.
5. The composite preservative for the coating does not use divalent metal salts such as magnesium (calcium) nitrate, copper salt and the like as a protective agent, so that the phenomena of precipitation, gelation, layering, emulsion breaking and the like of a coating product caused by a salt cluster effect under various conditions are avoided; particularly when the acrylic emulsion paint, the styrene-acrylic emulsion paint or the vinyl acetate emulsion paint is used, the compatibility with paint products is good, after the acrylic emulsion paint, the styrene-acrylic emulsion paint or the vinyl acetate emulsion paint is added, the corresponding paint products can not generate flocculation, precipitation, delamination and thinning, and the leveling property is good.
Detailed Description
The DMDM hydantoin adopted in the embodiment of the invention is an aqueous DMDM hydantoin solution with the active content of 55%.
Example 1
The composite preservative for the coating comprises the following raw materials in parts by weight: 2 parts of isothiazolinone, 2 parts of bronopol, 20 parts of DMDM hydantoin, 3 parts of an auxiliary agent, 2 parts of a synergist and 71 parts of deionized water;
the isothiazolinone is 5-chloro-2-methyl-4-isothiazolinone-3-ketone and 2-methyl-4-isothiazolinone-3-ketone according to the mass ratio of 2.5: 1;
the auxiliary agent is sodium nitrate;
the synergist is disodium ethylene diamine tetraacetate.
The preparation method of the composite preservative for the paint comprises the following steps: firstly, dissolving Brobopol in deionized water, then adding DMDM hydantoin and isothiazolinone, stirring and dissolving uniformly, then adding a synergist, finally adding an auxiliary agent, dissolving and filtering to obtain the preservative for the coating.
Example 2
The composite preservative for the coating comprises the following raw materials in parts by weight: 3 parts of isothiazolinone, 2 parts of bronopol, 25 parts of DMDM hydantoin, 4 parts of an auxiliary agent, 2 parts of a synergist and 64 parts of deionized water;
the isothiazolinone is 5-chloro-2-methyl-4-isothiazolinone-3-ketone and 2-methyl-4-isothiazolinone-3-ketone according to the mass ratio of 4: 1;
the auxiliary agent is sodium nitrate;
the synergist is disodium ethylene diamine tetraacetate.
The preparation method of the compound preservative for the coating is the same as that of example 1.
Example 3
The composite preservative for the coating comprises the following raw materials in parts by weight: 1.5 parts of isothiazolinone, 1.5 parts of bronopol, 30 parts of DMDM hydantoin, 5 parts of an auxiliary agent, 2 parts of a synergist and 60 parts of deionized water;
the isothiazolinone is 5-chloro-2-methyl-4-isothiazolinone-3-ketone and 2-methyl-4-isothiazolinone-3-ketone according to the mass ratio of 3: 1;
the auxiliary agent is a mixture of sodium nitrate and sodium bromate in a mass ratio of 3: 2;
the synergist is disodium ethylene diamine tetraacetate.
The preparation method of the compound preservative for the coating is the same as that of example 1.
Example 4
The composite preservative for the coating comprises the following raw materials in parts by weight: 2 parts of isothiazolinone, 3 parts of bronopol, 25 parts of DMDM hydantoin, 3 parts of an auxiliary agent, 3 parts of a synergist and 64 parts of deionized water;
the isothiazolinone is 5-chloro-2-methyl-4-isothiazolinone-3-ketone and 2-methyl-4-isothiazolinone-3-ketone according to the mass ratio of 3: 1;
the auxiliary agent is sodium nitrate;
the synergist is disodium ethylene diamine tetraacetate.
The preparation method of the compound preservative for the coating is the same as that of example 1.
Example 5
The composite preservative for the coating comprises the following raw materials in parts by weight: 2.5 parts of isothiazolinone, 2.5 parts of bronopol, 25 parts of DMDM hydantoin, 6 parts of an auxiliary agent, 4 parts of a synergist and 60 parts of deionized water;
the isothiazolinone is 5-chloro-2-methyl-4-isothiazolinone-3-ketone and 2-methyl-4-isothiazolinone-3-ketone according to the mass ratio of 4: 1;
the auxiliary agent is sodium bromate;
the synergist is disodium ethylene diamine tetraacetate.
The preparation method of the compound preservative for the coating is the same as that of example 1.
Example 6
The composite preservative for the coating comprises the following raw materials in parts by weight: 5 parts of isothiazolinone, 2 parts of bronopol, 10 parts of DMDM hydantoin, 2 parts of an auxiliary agent, 1 part of a synergist and 80 parts of deionized water;
the isothiazolinone is 5-chloro-2-methyl-4-isothiazolinone-3-ketone and 2-methyl-4-isothiazolinone-3-ketone according to the mass ratio of 4: 1;
the auxiliary agent is sodium bromate;
the synergist is disodium ethylene diamine tetraacetate.
The preparation method of the compound preservative for the coating is the same as that of example 1.
Example 7
The composite preservative for the coating comprises the following raw materials in parts by weight: 2 parts of isothiazolinone, 5 parts of bronopol, 40 parts of DMDM hydantoin, 2 parts of an auxiliary agent, 1 part of a synergist and 50 parts of deionized water;
the isothiazolinone is 5-chloro-2-methyl-4-isothiazolinone-3-ketone and 2-methyl-4-isothiazolinone-3-ketone according to the mass ratio of 4: 1;
the auxiliary agent is sodium bromate;
the synergist is disodium ethylene diamine tetraacetate.
The preparation method of the compound preservative for the coating is the same as that of example 1.
Example 8
The composite preservative for the coating comprises the following raw materials in parts by weight: 1 part of isothiazolinone, 1 part of bronopol, 29 parts of DMDM hydantoin, 8 parts of an auxiliary agent, 6 parts of a synergist and 55 parts of deionized water;
the isothiazolinone is 5-chloro-2-methyl-4-isothiazolinone-3-ketone and 2-methyl-4-isothiazolinone-3-ketone according to the mass ratio of 4: 1;
the auxiliary agent is a mixture of sodium nitrate and sodium bromate with equal mass;
the synergist is disodium ethylene diamine tetraacetate.
The preparation method of the compound preservative for the coating is the same as that of example 1.
Example 9
The corrosion inhibitor of the present invention is added to the paint at 0.1-0.3% by weight of the paint.
Preferably, the coating is an acrylic emulsion coating, a styrene-acrylic emulsion coating or a vinyl acetate emulsion coating.
Anticorrosive property detection
1. The adopted paint is a Latifen LA acrylic acid exterior wall elastic paint (without a sterilization preservative) which is an acrylic emulsion paint;
the preservative provided by the invention is added into the paint according to the proportion of 0.2 percent of the weight of the paint, the bacteria selected in the experiment are staphylococcus aureus and escherichia coli according to the method of GB 15979-.
TABLE 1 Bactericidal and anticorrosive effects of anticorrosive on coating
The results in table 1 show that the addition amount of the antiseptic bactericide provided by the invention is 0.2wt%, the antiseptic bactericide has good antiseptic effect on the coating, and no microorganism exists after 7 days.
2. The adopted paint is a Latifen LA acrylic acid exterior wall elastic paint (without a sterilization preservative) which is an acrylic emulsion paint;
the preservative provided by the invention in example 5 is added into the coating according to the proportion of 0.2% of the weight of the coating, a microbial challenge experiment is carried out, the preservative effect of a preservative system in a product is evaluated and verified, the bacteria selected in the experiment are staphylococcus aureus, escherichia coli and pseudomonas aeruginosa, the fungi selected are candida albicans and aspergillus niger according to the microbial preservative efficacy test method of the United states pharmacopoeia USP27 (51), and the results are shown in Table 2.
Table 2 preservative versus coating mix microbial challenge test
The results in table 2 show that the anticorrosive bactericide for the coating has good sterilizing and bacteriostatic effects and is safe and passes challenge experiments.
Compatibility with paint
Comparing the preservatives provided in the examples with preservatives LD05, M530, Wake 981, KF-92 for common coating in the market;
the adopted paint is a Latifen LA acrylic acid exterior wall elastic paint (without a sterilization preservative) which is an acrylic emulsion paint;
the corrosion inhibitors provided in each of the examples and comparative examples were added directly to the paint in an amount of 0.3% by weight of the paint, and the results of observing whether flocculation, demulsification, and precipitation occurred and examining the compatibility of the corrosion inhibitors with the paint products are shown in Table 3.
TABLE 3 compatibility test
As can be seen from Table 3, the preservatives provided in the embodiments 1 to 8 of the present invention have good compatibility with the coating, and after the coating is added, the phenomena of flocculation and precipitation are not generated, the emulsion breaking and the layering are not generated, the leveling property is good, and the original leveling property can be maintained; comparative example preservatives LD05, M530, Wake 981, KF-92 showed flocculation, emulsion breaking, and precipitation phenomena of different degrees after being added into acrylic emulsion paint.
Therefore, when the composite preservative is used, even if isothiazolinone is used, divalent metal salts such as calcium, magnesium and copper can be prevented from being used as a protective agent, and the phenomena of precipitation, flocculation, layering, emulsion breaking and the like caused by adding the preservative into a coating product are avoided.
Stability testing
The preservative provided in each example was stored in a sealed state at room temperature for 6 months, and then observed for delamination and cloudiness. The preservative provided in each example was placed in an oven at 40 ℃ for 2 months to observe whether or not there was any delamination or cloudiness.
As a result, it was found that the preservatives of the examples were not delaminated or cloudy.
Therefore, the preservative provided by the invention has good stability.
Claims (9)
1. The composite preservative for the paint is characterized in that: the composition is characterized by comprising the following raw materials in parts by weight: 1-5 parts of isothiazolinone, 1-5 parts of bronopol, 10-40 parts of DMDM hydantoin, 2-8 parts of auxiliary agent, 1-6 parts of synergist and 50-80 parts of deionized water; wherein the synergist is disodium ethylene diamine tetraacetate.
2. The compound preservative for paint according to claim 1, wherein: the isothiazolinone is a mixture of 5-chloro-2-methyl-4-isothiazolinone-3-one and 2-methyl-4-isothiazolinone-3-one.
3. The compound preservative for paint according to claim 2, wherein: the auxiliary agent is at least one of sodium nitrate and sodium bromate.
4. The compound preservative for paint as claimed in claim 3, wherein: the mass ratio of the 5-chloro-2-methyl-4-isothiazoline-3-ketone to the 2-methyl-4-isothiazoline-3-ketone is (2.5-4): 1.
5. the compound preservative for paint as claimed in claim 4, wherein: the DMDM hydantoin is an aqueous DMDM hydantoin solution with an active content of 55%.
6. The compound preservative for paint as claimed in claim 5, wherein: the composition is characterized by comprising the following raw materials in parts by weight: 1.5-2.5 parts of isothiazolinone, 2-5 parts of bronopol, 20-30 parts of DMDM hydantoin, 3-6 parts of assistant, 2-4 parts of synergist and 55-71 parts of deionized water.
7. The method for preparing the composite preservative for paint according to claim 1, wherein: the preparation method comprises the following steps: firstly, dissolving Brobopol in deionized water, then adding DMDM hydantoin and isothiazolinone, stirring and dissolving uniformly, then adding a synergist, finally adding an auxiliary agent, dissolving and filtering to obtain the preservative for the coating.
8. The use of the composite anticorrosive agent for paint according to claim 1 in paint, wherein: the corrosion inhibitor is added to the paint in an amount of 0.1-0.3% by weight of the paint.
9. Use according to claim 8, characterized in that: the coating is acrylic emulsion coating, styrene-acrylic emulsion coating or vinyl acetate emulsion coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110856117.XA CN113549358A (en) | 2021-07-28 | 2021-07-28 | Composite preservative for paint and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110856117.XA CN113549358A (en) | 2021-07-28 | 2021-07-28 | Composite preservative for paint and preparation method and application thereof |
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| CN113549358A true CN113549358A (en) | 2021-10-26 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215555A (en) * | 1997-10-28 | 1999-05-05 | 罗姆和哈斯公司 | Stable microbicide formulation |
| CN1671674A (en) * | 2002-05-29 | 2005-09-21 | Sk化学株式会社 | Isothiazolone composition and method for stabilizing isothiazolone |
| CN1714647A (en) * | 2004-07-02 | 2006-01-04 | 罗门哈斯公司 | Microbicidal composition |
| CN101617661A (en) * | 2008-07-03 | 2010-01-06 | 广东迪美生物技术有限公司 | High-efficiency compound preservative for daily chemical products |
| CN104126596A (en) * | 2014-05-29 | 2014-11-05 | 上海润河纳米材料科技有限公司 | Antibacterial composition and application thereof |
-
2021
- 2021-07-28 CN CN202110856117.XA patent/CN113549358A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215555A (en) * | 1997-10-28 | 1999-05-05 | 罗姆和哈斯公司 | Stable microbicide formulation |
| CN1671674A (en) * | 2002-05-29 | 2005-09-21 | Sk化学株式会社 | Isothiazolone composition and method for stabilizing isothiazolone |
| CN1714647A (en) * | 2004-07-02 | 2006-01-04 | 罗门哈斯公司 | Microbicidal composition |
| CN101617661A (en) * | 2008-07-03 | 2010-01-06 | 广东迪美生物技术有限公司 | High-efficiency compound preservative for daily chemical products |
| CN104126596A (en) * | 2014-05-29 | 2014-11-05 | 上海润河纳米材料科技有限公司 | Antibacterial composition and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 胡艾希: "乙内酰脲衍生物N-羟甲基化反应及其应用", 《日用化学工业》 * |
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Application publication date: 20211026 |