CN109575663A - A kind of self-crosslinking genuine milk shellac varnish and preparation method thereof - Google Patents
A kind of self-crosslinking genuine milk shellac varnish and preparation method thereof Download PDFInfo
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- CN109575663A CN109575663A CN201811477980.9A CN201811477980A CN109575663A CN 109575663 A CN109575663 A CN 109575663A CN 201811477980 A CN201811477980 A CN 201811477980A CN 109575663 A CN109575663 A CN 109575663A
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- Prior art keywords
- crosslinking
- self
- genuine milk
- shellac varnish
- milk shellac
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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
- C09D5/02—Emulsion paints including aerosols
- C09D5/022—Emulsions, e.g. oil in water
-
- 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
- C09D5/02—Emulsion paints including aerosols
- C09D5/024—Emulsion paints including aerosols characterised by the additives
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of self-crosslinking genuine milk shellac varnishes, according to parts by weight comprising: 8~20 parts of water；2~4 parts of cosolvent；0.1~5 part of dispersing agent；0.1~1.0 part of wetting agent；0~40 part of pigment；0~65 part of filler；8~70 parts of the natural lotion of self-crosslinking；0.2~5 part of thickener；0.1~1.0 part of defoaming agent；0.1~3.0 part of drier.The present invention is formed using crude vegetal modification, do not have in use addition drier also can self-crosslinking film forming, addition drier the features such as capable of accelerating to form a film, having compared common water borne paint, had the following advantages that environment-friendly and green, water resistance, alkaline-resisting and good weatherability.The present invention also provides a kind of preparation methods of self-crosslinking genuine milk shellac varnish.
Description
Technical field
The present invention relates to technical field of coatings, more particularly to a kind of self-crosslinking genuine milk shellac varnish and preparation method thereof.
Background technique
Traditional coating not only wastes valuable petroleum resources, but also a large amount of hazardous solvent gas can be discharged into air
Body, development environment friendly coating just become the most important thing.Water paint is still used using petroleum monomer as the conjunction of raw material at present
At lotion, certain solvent is also needed in use, and useless paint film cannot be biodegradable, so still to human body and environment
It brings and significantly injures, it is inconsistent with current social development low-carbon, the trend of environmentally protective economy, in American-European flourishing state
Family, the popularity rate of water paint have been up to 80% or more.But in China, water paint also in weak tendency, but share rapid development, because
This, needs a kind of aqueous latex paint of alternative valuable petroleum resources in the market.
Summary of the invention
The present invention solves the technical problem of the above problem is overcome, a kind of self-crosslinking genuine milk shellac varnish is provided, is used
Crude vegetal modification forms, and energy self-crosslinking does not need coalescing agent compared to conventional synthesis lotion in the drying process, has green
The advantages that color, environmental protection, low-carbon.
In order to solve the above technical problems, the present invention provides a kind of self-crosslinking genuine milk shellac varnish, and according to parts by weight, packet
It includes: 8~20 parts of water；2~4 parts of cosolvent；0.1~5 part of dispersing agent；
0.1~1.0 part of wetting agent；0~40 part of pigment；0~65 part of filler；8~70 parts of the natural lotion of self-crosslinking；Thickener
0.2~5 part；0.1~1.0 part of defoaming agent；0.1~3.0 part of drier.
Preferably, the pigment is one or both of rutile-type or anatase thpe white powder, lithopone.
Preferably, the filler is one of barium sulfate, coarse whiting, kaolin, mica powder, wollastonite or magnesium carbonate or two
Kind.
Preferably, the natural lotion of the self-crosslinking is the natural lotion handled through oxidation polymerization.
Preferably, the drier is one of the metal salt of Co, Mn, V, Ce, Fe, Pb, Ca, Zn, Zr, Ba.
Preferably, the cosolvent is one or both of glycols or propandiols organic solvent.
Preferably, the thickener is hydrophobically modified polyacrylic acid alkali swelling type, hydroxyethyl ether cellulose or polyurethane-type
One of.
Preferably, the defoaming agent is aliphatic hydrocarbon composite anti-foaming agent, and the defoaming activity substance of the defoaming agent is polyethylene
Wax, metallic soap, hydrophobic inorganic silicon and organopolysiloxane.
Preferably, the preservative is isothiazolinone.
The present invention also provides a kind of preparation methods of above-mentioned self-crosslinking genuine milk shellac varnish, comprising the following steps:
1) cosolvent, wetting agent, dispersing agent, defoaming agent are added to the water, are stirred at low speed, then add pigment and
Filler, high speed dispersion or is sanded pigment, filler until fineness is less than 50 μm, and dispersion pulp is obtained after filtering；
2) defoaming agent, preservative and the natural lotion of self-crosslinking are sequentially added in the dispersion pulp；
3) be added thickener adjustment viscosity be 90-110KU to get arrive self-crosslinking genuine milk shellac varnish.
The beneficial effects of the present invention are: being in contrast to the prior art, self-crosslinking genuine milk shellac varnish of the invention, use
Crude vegetal modification forms, in use do not have to addition drier also can self-crosslinking film forming, addition drier can accelerate
Film forming, has compared common water borne paint, has had the advantage that
1, bio-enzyme degradation can be used after the reproducible feature of raw material sources and use, catabolite is environmental-friendly；
2, low taste, low VOC, zero heavy metal, meet clean manufacturing and green product standard；
3, the structure that fine and close crosslinking can be formed after being completely dried, has very strong water resistance, alkaline-resisting and weatherability.
Specific embodiment
The present invention provides a kind of self-crosslinking genuine milk shellac varnish, according to parts by weight comprising: 8~20 parts of water；Cosolvent 2
~4 parts；0.1~5 part of dispersing agent；0.1~1.0 part of wetting agent；0~40 part of pigment；0~65 part of filler；The natural lotion 8 of self-crosslinking
~70 parts；0.2~5 part of thickener；0.1~1.0 part of defoaming agent；0.1~3.0 part of drier.
Wherein, pigment is one or both of rutile-type or anatase thpe white powder, lithopone.
Wherein, filler is one or both of barium sulfate, coarse whiting, kaolin, mica powder, wollastonite or magnesium carbonate.
Wherein, the natural lotion of self-crosslinking is the natural lotion handled through oxidation polymerization.
Wherein, one of the metal salt of drier Co, Mn, V, Ce, Fe, Pb, Ca, Zn, Zr, Ba.
Wherein, cosolvent is one or both of glycols or propandiols organic solvent.
Wherein, thickener is one in hydrophobically modified polyacrylic acid alkali swelling type, hydroxyethyl ether cellulose or polyurethane-type
Kind.
Wherein, defoaming agent is aliphatic hydrocarbon composite anti-foaming agent, and the defoaming activity substance of the defoaming agent is polyethylene wax, metal
Soap, hydrophobic inorganic silicon and organopolysiloxane.
Wherein, preservative is isothiazolinone.
The present invention also provides a kind of preparation methods of above-mentioned self-crosslinking genuine milk shellac varnish, comprising the following steps:
1) cosolvent, wetting agent, dispersing agent, defoaming agent are added to the water, are stirred at low speed, then add pigment and
Filler, high speed dispersion or is sanded pigment, filler until fineness is less than 50 μm, and dispersion pulp is obtained after filtering；
2) defoaming agent, preservative and the natural lotion of self-crosslinking are sequentially added in the dispersion pulp；
3) be added thickener adjustment viscosity be 90-110KU to get arrive self-crosslinking genuine milk shellac varnish.
The method for testing performance of self-crosslinking genuine milk shellac varnish of the present invention:
1) 50 DEG C of storages nothings see whether flocculation, sediment occur or divide water etc.；
2) it is accessible that two are brushed；
3) low-temperature stability (3 circulations) never degenerates；
4) surface drying time was less than 2 hours；
5) alkaline-resisting without exception for 24 hours；
6) washability is greater than 500 times；
7) artificial ageing resistance 250 does not play powder, does not peel off, no cracking；
8) stain resistant≤20；
9) coating temperature variation resistant is without exception.
Following specific embodiments of the present invention and comparative example by providing understand the present invention, but it in which will be further elaborated
Be not limitation of the invention.
Embodiment 1
The preparation method of the self-crosslinking genuine milk shellac varnish of the present embodiment, comprising the following steps:
1) cosolvent, wetting agent, dispersing agent, defoaming agent are added to the water, are stirred at low speed, then add pigment and
Filler, high speed dispersion or is sanded pigment, filler until fineness is less than 50 μm, and dispersion pulp is obtained after filtering；
2) defoaming agent, preservative and the natural lotion of self-crosslinking are sequentially added in dispersion pulp；
3) it is 90-110KU to get self-crosslinking genuine milk shellac varnish is arrived that thickener adjustment viscosity, which is added, and addition aqueous, environmental protective is urged
Dry agent can accelerate to form a film, and the performance indicator of 1 gained self-crosslinking genuine milk shellac varnish of embodiment is as shown in table 1.
Embodiment 2
The preparation method of the self-crosslinking genuine milk shellac varnish of the present embodiment, comprising the following steps:
1) cosolvent, wetting agent, dispersing agent, defoaming agent are added to the water, are stirred at low speed, then add pigment and
Filler, high speed dispersion or is sanded pigment, filler until fineness is less than 50 μm, and dispersion pulp is obtained after filtering；
2) defoaming agent, preservative and the natural lotion of self-crosslinking are sequentially added in dispersion pulp；
3) it is 90-110KU to get self-crosslinking genuine milk shellac varnish is arrived that thickener adjustment viscosity, which is added, and addition aqueous, environmental protective is urged
Dry agent can accelerate to form a film, and the performance indicator of 2 gained self-crosslinking genuine milk shellac varnish of embodiment is as shown in table 2.
Embodiment 3
The preparation method of the self-crosslinking genuine milk shellac varnish of the present embodiment, comprising the following steps:
1) cosolvent, wetting agent, dispersing agent, defoaming agent are added to the water, are stirred at low speed, then add pigment and
Filler, high speed dispersion or is sanded pigment, filler until fineness is less than 50 μm, and dispersion pulp is obtained after filtering；
2) defoaming agent, preservative and the natural lotion of self-crosslinking are sequentially added in dispersion pulp；
3) it is 90-110KU to get self-crosslinking genuine milk shellac varnish is arrived that thickener adjustment viscosity, which is added, and addition aqueous, environmental protective is urged
Dry agent can accelerate to form a film, and the performance indicator of 3 gained self-crosslinking genuine milk shellac varnish of embodiment is as shown in table 3.
Table 1
Table 2
Table 3
As can be seen that the performance indexes of self-crosslinking genuine milk shellac varnish of the invention meets relevant criterion from table 1~3
Regulation, and it is more economical, environmentally friendly.
Self-crosslinking genuine milk shellac varnish of the invention is formed using crude vegetal modification, is not had to addition in use
Drier also can self-crosslinking film forming, addition drier can accelerate to form a film, compared common water borne paint, had the advantage that
1, bio-enzyme degradation can be used after raw material sources are renewable and use, catabolite is environmental-friendly；
2, low taste, low VOC, zero heavy metal, meet clean manufacturing and green product standard；
3, the structure that fine and close crosslinking can be formed after being completely dried, has very strong water resistance, alkaline-resisting and weatherability.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification is applied directly or indirectly in other relevant technical fields,
Similarly it is included within the scope of the present invention.
Claims (10)
1. a kind of self-crosslinking genuine milk shellac varnish, which is characterized in that according to parts by weight comprising:
2. self-crosslinking genuine milk shellac varnish according to claim 1, which is characterized in that the pigment is rutile-type or rutile titania
One or both of type titanium dioxide, lithopone.
3. self-crosslinking genuine milk shellac varnish according to claim 1, which is characterized in that the filler is barium sulfate, coarse whiting, height
One or both of ridge soil, mica powder, wollastonite or magnesium carbonate.
4. self-crosslinking genuine milk shellac varnish according to claim 1, which is characterized in that the natural lotion of self-crosslinking is through oxygen
Change the natural lotion of polymerization processing.
5. self-crosslinking genuine milk shellac varnish according to claim 1, which is characterized in that the drier be Co, Mn, V, Ce,
One of metal salt of Fe, Pb, Ca, Zn, Zr, Ba.
6. self-crosslinking genuine milk shellac varnish according to claim 1, which is characterized in that the cosolvent is glycols or third
One or both of glycols organic solvent.
7. self-crosslinking genuine milk shellac varnish according to claim 1, which is characterized in that the thickener is hydrophobically modified poly- third
One of olefin(e) acid alkali swelling type, hydroxyethyl ether cellulose or polyurethane-type.
8. self-crosslinking genuine milk shellac varnish according to claim 1, which is characterized in that the defoaming agent, which is that aliphatic hydrocarbon is compound, to disappear
Infusion, the defoaming activity substance of the defoaming agent are polyethylene wax, metallic soap, hydrophobic inorganic silicon and organopolysiloxane.
9. self-crosslinking genuine milk shellac varnish according to claim 1, which is characterized in that the preservative is isothiazolinone.
10. a kind of preparation method of the self-crosslinking genuine milk shellac varnish as described in claim 1~9, which is characterized in that including following
Step:
1) cosolvent, wetting agent, dispersing agent, defoaming agent are added to the water, are stirred at low speed, then add pigment and filled out
Material, high speed dispersion or is sanded pigment, filler until fineness is less than 50 μm, and dispersion pulp is obtained after filtering；
2) defoaming agent, preservative and the natural lotion of self-crosslinking are sequentially added in the dispersion pulp；
3) be added thickener adjustment viscosity be 90-110KU to get arrive self-crosslinking genuine milk shellac varnish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811477980.9A CN109575663A (en) | 2018-12-05 | 2018-12-05 | A kind of self-crosslinking genuine milk shellac varnish and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811477980.9A CN109575663A (en) | 2018-12-05 | 2018-12-05 | A kind of self-crosslinking genuine milk shellac varnish and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109575663A true CN109575663A (en) | 2019-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811477980.9A Pending CN109575663A (en) | 2018-12-05 | 2018-12-05 | A kind of self-crosslinking genuine milk shellac varnish and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111154362A (en) * | 2020-01-16 | 2020-05-15 | 上海立邦长润发涂料有限公司 | Water-based single-component tannin-resistant seal primer and preparation method thereof |
| CN112851885A (en) * | 2021-01-12 | 2021-05-28 | 安徽本雅明涂料有限公司 | Single-component self-crosslinking emulsion with hard barrier layer, preparation method and application |
-
2018
- 2018-12-05 CN CN201811477980.9A patent/CN109575663A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111154362A (en) * | 2020-01-16 | 2020-05-15 | 上海立邦长润发涂料有限公司 | Water-based single-component tannin-resistant seal primer and preparation method thereof |
| CN112851885A (en) * | 2021-01-12 | 2021-05-28 | 安徽本雅明涂料有限公司 | Single-component self-crosslinking emulsion with hard barrier layer, preparation method and application |
| CN112851885B (en) * | 2021-01-12 | 2022-12-13 | 安徽本雅明涂料有限公司 | Single-component self-crosslinking emulsion with hard barrier layer, preparation method and application |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190405 |