CN109385212A - A kind of two-component finishing coat and preparation method thereof - Google Patents
A kind of two-component finishing coat and preparation method thereof Download PDFInfo
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- CN109385212A CN109385212A CN201811059915.4A CN201811059915A CN109385212A CN 109385212 A CN109385212 A CN 109385212A CN 201811059915 A CN201811059915 A CN 201811059915A CN 109385212 A CN109385212 A CN 109385212A
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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
- 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
-
- 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
-
- 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
- C09D7/63—Additives non-macromolecular organic
-
- 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
-
- 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)
- Plant Pathology (AREA)
- Paints Or Removers (AREA)
Abstract
The invention belongs to technical field of paint preparation, specifically disclose a kind of two-component finishing coat and preparation method thereof, the two-component finishing coat is by A, two kinds of groups of B are grouped as, mass ratio between component A and component B both is 1~2:1, wherein: component A is made of following components in parts by weight: 40 parts~50 parts of polyester modified acrylic resin, 20 parts~30 parts of acrylic emulsion, 18 parts~22 parts of amino crosslinker, 12 parts~18 parts of anti-sagging agent modified polyester resin, 0.2 part~0.4 part of defoaming agent, 0.1 part~0.3 part of levelling agent, 0.5 part~2 parts of film forming agent, 0.5 part~7 parts of antifreezing agent, 17.5 parts~21.5 parts of mixed solvent, 15 parts~20 parts of deionized water；B component is made of following components in parts by weight: 5~15 parts of zeins, 90~110 parts of ethanol water, 2~5 parts of glycerol form.
Description
Technical field
The present invention relates to technical field of paint preparation, it is specifically related to a kind of two-component finishing coat and preparation method thereof.
Background technique
Finishing coat is widely used, and all multi-products use finishing coat all to improve the exterior decorative effect of product and for protecting bottom
Paint.Existing finishing coat is mainly made of resin film forming matter and solvent, and film forming matter is generally by polyester resin or acrylic resin and ammonia
Base resin crosslinking curing forms, and acrylic resin is used widely with its preferable weatherability；Solvent, which is generally volatility, to be had
Solvent.And the phenomenon that existing finishing coat is easy to produce sagging during construction；Antiscratching properties can be poor；The barrier of coating
Performance is not high, and antibacterial ability is poor.
However, finishing coat is all to be directly facing daily life in the actual use process, in view of this, it is necessary to
A kind of better two-component finishing coat of performance is provided.
Summary of the invention
The purpose of the present invention is to provide a kind of resist sagging and anti-settling, with high barrier and stronger antibacterial ability
Two-component finishing coat with and preparation method thereof, with meet modern production application needs.
To achieve the above object, the invention provides the following technical scheme:
A kind of two-component finishing coat is grouped as by two kinds of groups of A, B, and the mass ratio between component A and component B both is 1~2:
1, in which:
Component A is made of following components in parts by weight: 40 parts~50 parts of polyester modified acrylic resin, propylene yogurt
20 parts~30 parts of liquid, 18 parts~22 parts of amino crosslinker, 12 parts~18 parts, 0.2 part of defoaming agent of anti-sagging agent modified polyester resin
~0.4 part, 0.1 part~0.3 part of levelling agent, 0.5 part~2 parts of film forming agent, 0.5 part~7 parts of antifreezing agent, 17.5 parts of mixed solvent~
21.5 parts, 15 parts~20 parts of deionized water.
B component is made of following components in parts by weight: 5~15 parts of zeins, ethanol water 90~110
Part, 2~5 parts of glycerol compositions.
Preferably, the defoaming agent uses the mixture of one or more of BYK-094, BYK-022, Tego-901W.
Preferably, the coalescing agent uses alcohol ester 12.
Preferably, the antifreezing agent uses propylene glycol.
Preferably, the mixed solvent is the mixed solvent of dimethylbenzene and n-butanol that mass ratio is 3:1.
Preferably, the preparation method of the two-component finishing coat, comprising the following steps:
1) component A is prepared are as follows: take each component by component A formula described in claim 1, container is added in deionized water water
In, while stirring be added polyester modified acrylic resin, acrylic emulsion, amino crosslinker, anti-sagging agent modified polyester resin,
It is stirred under 300-500rmp revolving speed at 40~50 DEG C of bath temperature to being uniformly dispersed, defoaming agent, stream is then added while stirring
Flat agent, film forming agent, antifreezing agent, mixed solvent, whole recipe ingredients stir 20~30min after being added；
2) B component is prepared are as follows: take each component by B component formula described in claim 1, zeins is poured into ethyl alcohol
In aqueous solution, after stirring 5-30min, addition glycerol, 40-60 DEG C of heating 10-60min, the screen to filtrate by solution through 300 mesh,
Zein solution can be obtained；
3) by the component A that step 1 obtains and the B component that step 2 obtains according to 1~2:1 of mass ratio, after being mixed evenly
It obtains being adjusted to required viscosity.
Compared with prior art, the beneficial effects of the present invention are:
By adding anti-sagging agent modified polyester resin appropriate respectively in two kinds of components, it can effectively increase this hair
The resist sagging and anti-settling performance of bright two-component coating varnish, the addition of zein solution can make of the invention
Two-component finishing coat has high barrier and stronger antibacterial ability.
Specific embodiment
Example 1:
Two-component finishing coat is grouped as by two kinds of groups of A, B, in which:
Component A is made of following components in parts by weight: 42 parts of polyester modified acrylic resin, acrylic emulsion 203
Part, 19 parts of amino crosslinker, 13 parts of anti-sagging agent modified polyester resin, 0.2 part of defoaming agent, 0.2 part of levelling agent, 1 part of film forming agent,
3 parts of antifreezing agent, 18 parts of mixed solvent, 15 parts of deionized water.
B component is made of following components in parts by weight: 15 parts of zeins, 110 parts of ethanol water, glycerol
5 parts of compositions.
In the formula of the present embodiment, defoaming agent uses BYK-094；Coalescing agent uses alcohol ester 12；Antifreezing agent uses third
Glycol；Mixed solvent is the mixed solvent of the dimethylbenzene that mass ratio is 3:1 and n-butanol.
The preparation method of the two-component finishing coat, comprising the following steps:
1) component A is prepared are as follows: take each component by component A formula described in claim 1, container is added in deionized water water
In, while stirring be added polyester modified acrylic resin, acrylic emulsion, amino crosslinker, anti-sagging agent modified polyester resin,
Stirred under 300rmp revolving speed at 40~50 DEG C of bath temperature to being uniformly dispersed, then while stirring be added defoaming agent, levelling agent,
Film forming agent, antifreezing agent, mixed solvent, whole recipe ingredients stir 20~30min after being added；
2) B component is prepared are as follows: take each component by B component formula described in claim 1, zeins is poured into ethyl alcohol
In aqueous solution, after stirring 5-30min, addition glycerol, 40-60 DEG C of heating 10-60min, the screen to filtrate by solution through 300 mesh,
Zein solution can be obtained；
3) by the component A that step 1 obtains and the B component that step 2 obtains according to mass ratio 2:1, after being mixed evenly
To being adjusted to required viscosity.
Example 2:
Two-component finishing coat is grouped as by two kinds of groups of A, B, in which:
Component A is made of following components in parts by weight: 50 parts of polyester modified acrylic resin, acrylic emulsion 30
Part, 22 parts of amino crosslinker, 16 parts of anti-sagging agent modified polyester resin, 0.4 part of defoaming agent, 0.3 part of levelling agent, 2 parts of film forming agent,
7 parts of antifreezing agent, 21.5 parts of mixed solvent, 20 parts of deionized water.
B component is made of following components in parts by weight: 8 parts of zeins, 105 parts of ethanol water, glycerol 4
Part composition.
In the formula of the present embodiment, defoaming agent uses BYK-022；Coalescing agent uses alcohol ester 12；Antifreezing agent uses third
Glycol；Mixed solvent is the mixed solvent of the dimethylbenzene that mass ratio is 3:1 and n-butanol.
The preparation method of the two-component finishing coat, comprising the following steps:
1) component A is prepared are as follows: take each component by component A formula described in claim 1, container is added in deionized water water
In, while stirring be added polyester modified acrylic resin, acrylic emulsion, amino crosslinker, anti-sagging agent modified polyester resin,
Stirred under 500rmp revolving speed at 40~50 DEG C of bath temperature to being uniformly dispersed, then while stirring be added defoaming agent, levelling agent,
Film forming agent, antifreezing agent, mixed solvent, whole recipe ingredients stir 20~30min after being added；
2) B component is prepared are as follows: take each component by B component formula described in claim 1, zeins is poured into ethyl alcohol
In aqueous solution, after stirring 5-30min, addition glycerol, 40-60 DEG C of heating 10-60min, the screen to filtrate by solution through 300 mesh,
Zein solution can be obtained；
3) by the component A that step 1 obtains and the B component that step 2 obtains according to mass ratio 1.5:1, after being mixed evenly
It obtains being adjusted to required viscosity.
Example 3:
Two-component finishing coat is grouped as by two kinds of groups of A, B, in which:
Component A is made of following components in parts by weight: 42 parts of polyester modified acrylic resin, acrylic emulsion 203
Part, 19 parts of amino crosslinker, 13 parts of anti-sagging agent modified polyester resin, 0.2 part of defoaming agent, 0.2 part of levelling agent, 1 part of film forming agent,
3 parts of antifreezing agent, 18 parts of mixed solvent, 15 parts of deionized water.
B component is made of following components in parts by weight: 6 parts of zeins, 90 parts of ethanol water, glycerol 3
Part composition.
In the formula of the present embodiment, defoaming agent uses Tego-901W；Coalescing agent uses alcohol ester 12；Antifreezing agent uses
Propylene glycol；Mixed solvent is the mixed solvent of the dimethylbenzene that mass ratio is 3:1 and n-butanol.
The preparation method of the two-component finishing coat, comprising the following steps:
1) component A is prepared are as follows: take each component by component A formula described in claim 1, container is added in deionized water water
In, while stirring be added polyester modified acrylic resin, acrylic emulsion, amino crosslinker, anti-sagging agent modified polyester resin,
Stirred under 300rmp revolving speed at 40~50 DEG C of bath temperature to being uniformly dispersed, then while stirring be added defoaming agent, levelling agent,
Film forming agent, antifreezing agent, mixed solvent, whole recipe ingredients stir 20~30min after being added；
2) B component is prepared are as follows: take each component by B component formula described in claim 1, zeins is poured into ethyl alcohol
In aqueous solution, after stirring 5-30min, addition glycerol, 40-60 DEG C of heating 10-60min, the screen to filtrate by solution through 300 mesh,
Zein solution can be obtained；
3) by the component A that step 1 obtains and the B component that step 2 obtains according to mass ratio 2:1, after being mixed evenly
To being adjusted to required viscosity.
Example 4:
Two-component finishing coat is grouped as by two kinds of groups of A, B, in which:
Component A is made of following components in parts by weight: 50 parts of polyester modified acrylic resin, acrylic emulsion 30
Part, 22 parts of amino crosslinker, 16 parts of anti-sagging agent modified polyester resin, 0.4 part of defoaming agent, 0.3 part of levelling agent, 2 parts of film forming agent,
7 parts of antifreezing agent, 21.5 parts of mixed solvent, 20 parts of deionized water.
B component is made of following components in parts by weight: 8 parts of zeins, 105 parts of ethanol water, glycerol 4
Part composition.
In the formula of the present embodiment, defoaming agent uses BYK-022；Coalescing agent uses alcohol ester 12；Antifreezing agent uses third
Glycol；Mixed solvent is the mixed solvent of the dimethylbenzene that mass ratio is 3:1 and n-butanol.
The preparation method of the two-component finishing coat, comprising the following steps:
1) component A is prepared are as follows: take each component by component A formula described in claim 1, container is added in deionized water water
In, while stirring be added polyester modified acrylic resin, acrylic emulsion, amino crosslinker, anti-sagging agent modified polyester resin,
Stirred under 500rmp revolving speed at 40~50 DEG C of bath temperature to being uniformly dispersed, then while stirring be added defoaming agent, levelling agent,
Film forming agent, antifreezing agent, mixed solvent, whole recipe ingredients stir 20~30min after being added；
2) B component is prepared are as follows: take each component by B component formula described in claim 1, zeins is poured into ethyl alcohol
In aqueous solution, after stirring 5-30min, addition glycerol, 40-60 DEG C of heating 10-60min, the screen to filtrate by solution through 300 mesh,
Zein solution can be obtained；
3) by the component A that step 1 obtains and the B component that step 2 obtains according to mass ratio 1.8:1, after being mixed evenly
It obtains being adjusted to required viscosity.
The bound of each raw material cited by the present invention and each raw material of the present invention, section value and technological parameter
Bound, the section value of (such as temperature, time) can realize the present invention, embodiment numerous to list herein.
The above is a preferred embodiment of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, it is noted that for those skilled in the art, without departing from the principle of the present invention, may be used also
To make several improvement and variation, these, which improve and change, is also considered as protection scope of the present invention.
Claims (6)
1. a kind of two-component finishing coat, which is characterized in that the two-component finishing coat is grouped as by two kinds of groups of A, B, component A and component B
Mass ratio between the two is 1~2:1, in which:
Component A is made of following components in parts by weight: 40 parts~50 parts of polyester modified acrylic resin, acrylic emulsion 20
Part~30 parts, 18 parts~22 parts of amino crosslinker, 12 parts~18 parts of anti-sagging agent modified polyester resin, defoaming agent 0.2 part~0.4
Part, 0.1 part~0.3 part of levelling agent, 0.5 part~2 parts of film forming agent, 0.5 part~7 parts of antifreezing agent, mixed solvent 17.5 parts~21.5
Part, 15 parts~20 parts of deionized water.
B component is made of following components in parts by weight: 5~15 parts of zeins, 90~110 parts of ethanol water,
2~5 parts of glycerol compositions.
2. a kind of two-component finishing coat according to claim 1, which is characterized in that the defoaming agent uses BYK-094, BYK-
022, the mixture of one or more of Tego-901W.
3. a kind of two-component finishing coat according to claim 1, which is characterized in that the coalescing agent uses alcohol ester 12.
4. a kind of two-component finishing coat according to claim 1, which is characterized in that the antifreezing agent uses propylene glycol.
5. a kind of two-component finishing coat according to claim 1, which is characterized in that the mixed solvent is that mass ratio is 3:1
Dimethylbenzene and n-butanol mixed solvent.
6. a kind of preparation method of two-component finishing coat, which comprises the following steps:
1) component A is prepared are as follows: take each component by component A formula described in claim 1, deionized water water is added to the container, side
It stirs side and polyester modified acrylic resin, acrylic emulsion, amino crosslinker, anti-sagging agent modified polyester resin, water-bath is added
Stirred under 300-500rmp revolving speed at 40~50 DEG C of temperature to being uniformly dispersed, then while stirring be added defoaming agent, levelling agent,
Film forming agent, antifreezing agent, mixed solvent, whole recipe ingredients stir 20~30min after being added；
2) B component is prepared are as follows: take each component by B component formula described in claim 1, it is water-soluble that zeins is poured into ethyl alcohol
In liquid, after stirring 5-30min, glycerol, 40-60 DEG C of heating 10-60min, the screen to filtrate by solution through 300 mesh is added；
3) component A that step 1 obtains and the B component that step 2 obtains are obtained after being mixed evenly according to 1~2:1 of mass ratio
It is adjusted to required viscosity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811059915.4A CN109385212A (en) | 2018-09-12 | 2018-09-12 | A kind of two-component finishing coat and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811059915.4A CN109385212A (en) | 2018-09-12 | 2018-09-12 | A kind of two-component finishing coat and preparation method thereof |
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| CN109385212A true CN109385212A (en) | 2019-02-26 |
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| CN201811059915.4A Pending CN109385212A (en) | 2018-09-12 | 2018-09-12 | A kind of two-component finishing coat and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110639776A (en) * | 2019-10-11 | 2020-01-03 | 湖南邦弗特新材料技术有限公司 | Environment-friendly energy-saving automobile low-temperature integrated coating process |
| CN110669416A (en) * | 2019-10-11 | 2020-01-10 | 湖南邦弗特新材料技术有限公司 | Middle coating for automobile and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220074A (en) * | 2011-04-21 | 2011-10-19 | 广东同步化工股份有限公司 | Sagging and blistering preventing overcoat varnish for automobile coating as well as preparation method and coating method thereof |
-
2018
- 2018-09-12 CN CN201811059915.4A patent/CN109385212A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220074A (en) * | 2011-04-21 | 2011-10-19 | 广东同步化工股份有限公司 | Sagging and blistering preventing overcoat varnish for automobile coating as well as preparation method and coating method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 段久芳: "《天然高分子材料》", 31 December 2016, 华中科技大学出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110639776A (en) * | 2019-10-11 | 2020-01-03 | 湖南邦弗特新材料技术有限公司 | Environment-friendly energy-saving automobile low-temperature integrated coating process |
| CN110669416A (en) * | 2019-10-11 | 2020-01-10 | 湖南邦弗特新材料技术有限公司 | Middle coating for automobile and preparation method and application thereof |
| CN110669416B (en) * | 2019-10-11 | 2022-02-01 | 邦弗特新材料股份有限公司 | Middle coating for automobile and preparation method and application thereof |
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Application publication date: 20190226 |