CN108948993A - A kind of environment-friendly polyurethane coating with good adhesion - Google Patents
A kind of environment-friendly polyurethane coating with good adhesion Download PDFInfo
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- CN108948993A CN108948993A CN201810538778.6A CN201810538778A CN108948993A CN 108948993 A CN108948993 A CN 108948993A CN 201810538778 A CN201810538778 A CN 201810538778A CN 108948993 A CN108948993 A CN 108948993A
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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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
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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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
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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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
- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
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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)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a kind of environment-friendly polyurethane coating with good adhesion, it is related to environmental technology field, the environment-friendly polyurethane coating with good adhesion includes the diatomite dopen Nano zeolite powder of its quality 8-12% and the propylene abietic acid binary Acid modified starch of 6-8%；Improvement is optimized to the material composition used of coating in the present invention, it wherein selects waterborne polyurethane resin as matrix film forming matter, is then added to diatomite dopen Nano zeolite powder again and propylene abietic acid binary acid modified starch component effectively improves adhesion strength, reactivity and adhesion properties of polyurethane resin etc..
Description
Technical field
The invention belongs to environmental technology fields, and in particular to a kind of environment-friendly polyurethane coating with good adhesion.
Background technique
Positive environmental-friendly and higher performance the coating direction of China Today develops, in high-performance and environmental-friendly the two
In the competition combined, polyurethane coating becomes one of raw material supplier's preferred product of coatings industry.Polyurethane is in corrosion resistant
Corrosion, weatherability, scratch resistance etc. are had excellent performance；There is this environmental-friendly characteristic simultaneously.
The ratio shared by polyurethanes technology (do not include building coating) of the China for coatings industry is more than 25%.Poly- ammonia
Ester paint is occupied an leading position in woodwork coating industry, accounts for 75% market share, followed by car refinishing paint, it accounts for 40%
More market shares.Application of the polyurethanes technology in terms of anticorrosive paint, plastic paint and original factory of vehicle paint is also increasing, accounts for
10% market share.Recently, polyurethane coating is just being increased in Chinese Coating Market with 15% average growth rate.
Polyurethane coating is good with weathering, gloss retention is good, and color stability is good, the performances such as corrosion-resistant, acid rain resistant, still,
Polyurethane coating is general to the adhesive force of the substrates such as concrete construction, woodenware, especially poor to the adhesive force of woodenware substrate, long
After time use, it is easy to film crackle, peeling phenomenon occur, leading to not film can not continue to protect substrate.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of environment-friendly polyurethane painting with good adhesion is provided
Material.
The present invention is achieved by the following technical solutions:
A kind of environment-friendly polyurethane coating with good adhesion, the environment-friendly polyurethane coating with good adhesion include
The diatomite dopen Nano zeolite powder of its quality 8-12% and the propylene abietic acid binary Acid modified starch of 6-8%.
Further, the diatomite dopen Nano zeolite powder the preparation method comprises the following steps:
Diatomite is distributed in deionized water by the ratio uniform of 120g:500mL, obtains diatomite dispersion liquid.Then to silicon
The N of its quality 0.1%, N- dimethyl cyclohexylamine catalyst, with the stirring of 500r/min revolving speed at 45 DEG C are added in diatomaceous earth dispersion liquid
Reaction 2 hours, then adds the nano zeolite powder of diatomite quality 10%, while diatomite dispersion liquid quality 0.12% is added again
Dibutyltin dilaurate catalyst, at 60 DEG C with 1500r/min revolving speed stirring 2 hours, then again under 15MPa pressure into
Row grinding 40min, then be filtered, it is cleaned using 70% ethanol solution, after filtering, then using deionized water cleaning, filters, dry
Do to constant weight to get.
Further, the diatom soil granularity is 850 mesh, and the nano zeolite powder dynamics is 90nm.
Further, the environment-friendly polyurethane coating with film formation at low temp performance further includes following parts by weight of component: water
Property polyurethane resin 95, calcium carbonate fine powder 6, lignosulfonates 0.2, hydroxyethyl cellulose 1.5, polyether polyol 2.4, metatitanic acid
Coupling agent 0.3, deionized water 72.
Further, the calcium carbonate fine powder granularity is 10 μm.
Further, the lignosulfonates are sodium lignin sulfonate.
Further, the polyether polyol is polyoxypropyleneglycol.
Further, the propylene abietic acid binary Acid modified starch the preparation method comprises the following steps:
Starch is evenly spread in deionized water, the starch dispersion liquid that mass concentration is 12.5% is made, starch dispersion liquid is existed
40min is stirred with 3500r/min revolving speed at 80 DEG C, the propylene abietic acid two of its quality 2.18% is then added into starch dispersion liquid
First acid, after mixing evenly, is added in reaction kettle, handles 2 hours under being 8.5MPa in 92 DEG C, pressure, is then filtered, dries
It does to moisture content to 25%, then handles 25s under 550W microwave, then after cooled to room temperature, using deionized water to starch
Cleaned to neutrality, drying to constant weight to get.
Further, the starch is that Rhizoma Nelumbinis starch is mixed with mung bean sweet potato starch by 5:2 mass ratio.
The present invention has the advantage that the material composition used of coating is optimized in the present invention compared with prior art
It improves, wherein selecting waterborne polyurethane resin as matrix film forming matter, is then added to diatomite dopen Nano zeolite powder again
The adhesion strength, reactivity and adhesive force for effectively improving polyurethane resin with propylene abietic acid binary acid modified starch component are special
Property etc., finally obtained coating physicochemical property is good, and form a film stay in grade；Meanwhile the addition of diatomite dopen Nano zeolite powder, make
The toughness of film improves, enhance the active force of film and substrate surface, but when its additional amount is excessive, film softening is attached
Put forth effort to reduce instead, with the addition of diatomite dopen Nano zeolite powder, molecular radical and lotion group cross-linking reaction in particle,
The reticular structure for forming crosslinking, makes film have better compactness, passes through the diffusion of diatomite dopen Nano zeolite powder particle
Reduce the internal stress of film, increases film to a certain extent to the adhesive force of substrate, the appearance of film also becomes more transparent
Light, the water absorption rate of film is also with reduction, by the peptizaiton of propylene abietic acid binary Acid modified starch, so that paint binder
Crosslink density after branched structure, active function groups concentration and paint solidification obtains the raising of adaptability, suitable branched structure
Winding is contributed to form with crosslink density, to further improve film to the adhesive force of substrate.
Specific embodiment
Embodiment 1
A kind of environment-friendly polyurethane coating with good adhesion, the environment-friendly polyurethane coating with good adhesion include
The diatomite dopen Nano zeolite powder of its quality 8% and 6% propylene abietic acid binary Acid modified starch.
Further, the diatomite dopen Nano zeolite powder the preparation method comprises the following steps:
Diatomite is distributed in deionized water by the ratio uniform of 120g:500mL, obtains diatomite dispersion liquid.Then to silicon
The N of its quality 0.1%, N- dimethyl cyclohexylamine catalyst, with the stirring of 500r/min revolving speed at 45 DEG C are added in diatomaceous earth dispersion liquid
Reaction 2 hours, then adds the nano zeolite powder of diatomite quality 10%, while diatomite dispersion liquid quality 0.12% is added again
Dibutyltin dilaurate catalyst, at 60 DEG C with 1500r/min revolving speed stirring 2 hours, then again under 15MPa pressure into
Row grinding 40min, then be filtered, it is cleaned using 70% ethanol solution, after filtering, then using deionized water cleaning, filters, dry
Do to constant weight to get.
Further, the diatom soil granularity is 850 mesh, and the nano zeolite powder dynamics is 90nm.
Further, the environment-friendly polyurethane coating with film formation at low temp performance further includes following parts by weight of component: water
Property polyurethane resin 95, calcium carbonate fine powder 6, lignosulfonates 0.2, hydroxyethyl cellulose 1.5, polyether polyol 2.4, metatitanic acid
Coupling agent 0.3, deionized water 72.
Further, the calcium carbonate fine powder granularity is 10 μm.
Further, the lignosulfonates are sodium lignin sulfonate.
Further, the polyether polyol is polyoxypropyleneglycol.
Further, the propylene abietic acid binary Acid modified starch the preparation method comprises the following steps:
Starch is evenly spread in deionized water, the starch dispersion liquid that mass concentration is 12.5% is made, starch dispersion liquid is existed
40min is stirred with 3500r/min revolving speed at 80 DEG C, the propylene abietic acid two of its quality 2.18% is then added into starch dispersion liquid
First acid, after mixing evenly, is added in reaction kettle, handles 2 hours under being 8.5MPa in 92 DEG C, pressure, is then filtered, dries
It does to moisture content to 25%, then handles 25s under 550W microwave, then after cooled to room temperature, using deionized water to starch
Cleaned to neutrality, drying to constant weight to get.
Further, the starch is that Rhizoma Nelumbinis starch is mixed with mung bean sweet potato starch by 5:2 mass ratio.
Embodiment 2
A kind of environment-friendly polyurethane coating with good adhesion, the environment-friendly polyurethane coating with good adhesion include
The diatomite dopen Nano zeolite powder of its quality 12% and 8% propylene abietic acid binary Acid modified starch.
Further, the diatomite dopen Nano zeolite powder the preparation method comprises the following steps:
Diatomite is distributed in deionized water by the ratio uniform of 120g:500mL, obtains diatomite dispersion liquid.Then to silicon
The N of its quality 0.1%, N- dimethyl cyclohexylamine catalyst, with the stirring of 500r/min revolving speed at 45 DEG C are added in diatomaceous earth dispersion liquid
Reaction 2 hours, then adds the nano zeolite powder of diatomite quality 10%, while diatomite dispersion liquid quality 0.12% is added again
Dibutyltin dilaurate catalyst, at 60 DEG C with 1500r/min revolving speed stirring 2 hours, then again under 15MPa pressure into
Row grinding 40min, then be filtered, it is cleaned using 70% ethanol solution, after filtering, then using deionized water cleaning, filters, dry
Do to constant weight to get.
Further, the diatom soil granularity is 850 mesh, and the nano zeolite powder dynamics is 90nm.
Further, the environment-friendly polyurethane coating with film formation at low temp performance further includes following parts by weight of component: water
Property polyurethane resin 95, calcium carbonate fine powder 6, lignosulfonates 0.2, hydroxyethyl cellulose 1.5, polyether polyol 2.4, metatitanic acid
Coupling agent 0.3, deionized water 72.
Further, the calcium carbonate fine powder granularity is 10 μm.
Further, the lignosulfonates are sodium lignin sulfonate.
Further, the polyether polyol is polyoxypropyleneglycol.
Further, the propylene abietic acid binary Acid modified starch the preparation method comprises the following steps:
Starch is evenly spread in deionized water, the starch dispersion liquid that mass concentration is 12.5% is made, starch dispersion liquid is existed
40min is stirred with 3500r/min revolving speed at 80 DEG C, the propylene abietic acid two of its quality 2.18% is then added into starch dispersion liquid
First acid, after mixing evenly, is added in reaction kettle, handles 2 hours under being 8.5MPa in 92 DEG C, pressure, is then filtered, dries
It does to moisture content to 25%, then handles 25s under 550W microwave, then after cooled to room temperature, using deionized water to starch
Cleaned to neutrality, drying to constant weight to get.
Further, the starch is that Rhizoma Nelumbinis starch is mixed with mung bean sweet potato starch by 5:2 mass ratio.
Embodiment 3
A kind of environment-friendly polyurethane coating with good adhesion, the environment-friendly polyurethane coating with good adhesion include
The diatomite dopen Nano zeolite powder of its quality 10% and 7% propylene abietic acid binary Acid modified starch.
Further, the diatomite dopen Nano zeolite powder the preparation method comprises the following steps:
Diatomite is distributed in deionized water by the ratio uniform of 120g:500mL, obtains diatomite dispersion liquid.Then to silicon
The N of its quality 0.1%, N- dimethyl cyclohexylamine catalyst, with the stirring of 500r/min revolving speed at 45 DEG C are added in diatomaceous earth dispersion liquid
Reaction 2 hours, then adds the nano zeolite powder of diatomite quality 10%, while diatomite dispersion liquid quality 0.12% is added again
Dibutyltin dilaurate catalyst, at 60 DEG C with 1500r/min revolving speed stirring 2 hours, then again under 15MPa pressure into
Row grinding 40min, then be filtered, it is cleaned using 70% ethanol solution, after filtering, then using deionized water cleaning, filters, dry
Do to constant weight to get.
Further, the diatom soil granularity is 850 mesh, and the nano zeolite powder dynamics is 90nm.
Further, the environment-friendly polyurethane coating with film formation at low temp performance further includes following parts by weight of component: water
Property polyurethane resin 95, calcium carbonate fine powder 6, lignosulfonates 0.2, hydroxyethyl cellulose 1.5, polyether polyol 2.4, metatitanic acid
Coupling agent 0.3, deionized water 72.
Further, the calcium carbonate fine powder granularity is 10 μm.
Further, the lignosulfonates are sodium lignin sulfonate.
Further, the polyether polyol is polyoxypropyleneglycol.
Further, the propylene abietic acid binary Acid modified starch the preparation method comprises the following steps:
Starch is evenly spread in deionized water, the starch dispersion liquid that mass concentration is 12.5% is made, starch dispersion liquid is existed
40min is stirred with 3500r/min revolving speed at 80 DEG C, the propylene abietic acid two of its quality 2.18% is then added into starch dispersion liquid
First acid, after mixing evenly, is added in reaction kettle, handles 2 hours under being 8.5MPa in 92 DEG C, pressure, is then filtered, dries
It does to moisture content to 25%, then handles 25s under 550W microwave, then after cooled to room temperature, using deionized water to starch
Cleaned to neutrality, drying to constant weight to get.
Further, the starch is that Rhizoma Nelumbinis starch is mixed with mung bean sweet potato starch by 5:2 mass ratio.
Comparative example 1: it is only that with the difference of embodiment 1 and diatomite dopen Nano zeolite powder is replaced with into diatomite and nanometer boiling
Mountain flour physical mixture, the two mixing mass ratio are identical.
Comparative example 2: it is only that with the difference of embodiment 1 and propylene abietic acid binary Acid modified starch is replaced with into unmodified processing
Rhizoma Nelumbinis starch.
Comparative example 3: it is only that with the difference of embodiment 1 and replaces with propylene abietic acid binary Acid modified starch for application number:
201610453207.3 the modified obtained modified starch of method.
Test
The measurement of film adhesive and hardness is according to GB/T 1720-1989 " paint film adhesion measuring method "；
Paint film spalling rate: it is tested by ASTM-D219 method using blade or knife scrapes test；
Table 1
Coating of the present invention has good adhesive force and film peeling rate as can be seen from Table 1.
Continue to test, comparing different diatomite dopen Nano zeolite powder additive amounts influences film peeling rate:
Table 2
As can be seen from Table 2, film peeling rate increases afterwards as the increase of diatomite dopen Nano zeolite powder additive amount first reduces,
Reach stationary value in diatomite dopen Nano zeolite powder additive amount 8-12%.
Claims (9)
1. a kind of environment-friendly polyurethane coating with good adhesion, which is characterized in that the environmental protection with good adhesion
Polyurethane coating includes the modified shallow lake of propylene abietic acid binary acid of the diatomite dopen Nano zeolite powder and 6-8% of its quality 8-12%
Powder.
2. a kind of environment-friendly polyurethane coating with good adhesion according to claim 1, which is characterized in that the silicon
Diatomaceous earth dopen Nano zeolite powder the preparation method comprises the following steps:
Diatomite is distributed in deionized water by the ratio uniform of 120g:500mL, obtains diatomite dispersion liquid.Then to silicon
The N of its quality 0.1%, N- dimethyl cyclohexylamine catalyst, with the stirring of 500r/min revolving speed at 45 DEG C are added in diatomaceous earth dispersion liquid
Reaction 2 hours, then adds the nano zeolite powder of diatomite quality 10%, while diatomite dispersion liquid quality 0.12% is added again
Dibutyltin dilaurate catalyst, at 60 DEG C with 1500r/min revolving speed stirring 2 hours, then again under 15MPa pressure into
Row grinding 40min, then be filtered, it is cleaned using 70% ethanol solution, after filtering, then using deionized water cleaning, filters, dry
Do to constant weight to get.
3. a kind of environment-friendly polyurethane coating with good adhesion according to claim 2, which is characterized in that the silicon
Diatomaceous earth granularity is 850 mesh, and the nano zeolite powder dynamics is 90nm.
4. a kind of environment-friendly polyurethane coating with good adhesion according to claim 1, which is characterized in that the tool
The environment-friendly polyurethane coating for having film formation at low temp performance further includes following parts by weight of component: waterborne polyurethane resin 95, calcium carbonate are micro-
Powder 6, lignosulfonates 0.2, hydroxyethyl cellulose 1.5, polyether polyol 2.4, metatitanic acid coupling agent 0.3, deionized water 72.
5. a kind of environment-friendly polyurethane coating with good adhesion according to claim 4, which is characterized in that the carbon
Sour calcium powder size is 10 μm.
6. a kind of environment-friendly polyurethane coating with good adhesion according to claim 4, which is characterized in that the wood
Mahogany sulfonate is sodium lignin sulfonate.
7. a kind of environment-friendly polyurethane coating with good adhesion according to claim 4, which is characterized in that described poly-
Ethoxylated polyhydric alcohol is polyoxypropyleneglycol.
8. a kind of environment-friendly polyurethane coating with good adhesion according to claim 1, which is characterized in that described third
Alkene abietic acid binary Acid modified starch the preparation method comprises the following steps:
Starch is evenly spread in deionized water, the starch dispersion liquid that mass concentration is 12.5% is made, starch dispersion liquid is existed
40min is stirred with 3500r/min revolving speed at 80 DEG C, the propylene abietic acid two of its quality 2.18% is then added into starch dispersion liquid
First acid, after mixing evenly, is added in reaction kettle, handles 2 hours under being 8.5MPa in 92 DEG C, pressure, is then filtered, dries
It does to moisture content to 25%, then handles 25s under 550W microwave, then after cooled to room temperature, using deionized water to starch
Cleaned to neutrality, drying to constant weight to get.
9. a kind of environment-friendly polyurethane coating with good adhesion according to claim 8, which is characterized in that the shallow lake
Powder is that Rhizoma Nelumbinis starch is mixed with mung bean sweet potato starch by 5:2 mass ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810538778.6A CN108948993A (en) | 2018-05-30 | 2018-05-30 | A kind of environment-friendly polyurethane coating with good adhesion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810538778.6A CN108948993A (en) | 2018-05-30 | 2018-05-30 | A kind of environment-friendly polyurethane coating with good adhesion |
Publications (1)
| Publication Number | Publication Date |
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| CN108948993A true CN108948993A (en) | 2018-12-07 |
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ID=64492480
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| CN201810538778.6A Withdrawn CN108948993A (en) | 2018-05-30 | 2018-05-30 | A kind of environment-friendly polyurethane coating with good adhesion |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021246086A1 (en) * | 2020-06-05 | 2021-12-09 | 株式会社エナジーフロント | Porous film and antibacterial fabric using same |
| CN114149606A (en) * | 2021-11-16 | 2022-03-08 | 黄杉杉 | Processing method for improving adhesion capability of PE pipe |
-
2018
- 2018-05-30 CN CN201810538778.6A patent/CN108948993A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021246086A1 (en) * | 2020-06-05 | 2021-12-09 | 株式会社エナジーフロント | Porous film and antibacterial fabric using same |
| TWI823083B (en) * | 2020-06-05 | 2023-11-21 | 日商能源前沿公司 | Antibacterial porous membrane and antibacterial coating material using the same |
| JP7412692B2 (en) | 2020-06-05 | 2024-01-15 | 株式会社エナジーフロント | Antibacterial porous membrane and antibacterial coating material using it |
| CN114149606A (en) * | 2021-11-16 | 2022-03-08 | 黄杉杉 | Processing method for improving adhesion capability of PE pipe |
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Application publication date: 20181207 |