CN109517490A - A kind of exterior coating agent of high-adhesion - Google Patents

A kind of exterior coating agent of high-adhesion Download PDF

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Publication number
CN109517490A
CN109517490A CN201811454776.5A CN201811454776A CN109517490A CN 109517490 A CN109517490 A CN 109517490A CN 201811454776 A CN201811454776 A CN 201811454776A CN 109517490 A CN109517490 A CN 109517490A
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CN
China
Prior art keywords
parts
powder
exterior coating
coating agent
adhesion
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Pending
Application number
CN201811454776.5A
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Chinese (zh)
Inventor
卢克涛
张路
叶锐
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CHENGDU YULONG CHEMICAL Co Ltd
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CHENGDU YULONG CHEMICAL Co Ltd
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Priority to CN201811454776.5A priority Critical patent/CN109517490A/en
Publication of CN109517490A publication Critical patent/CN109517490A/en
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D163/00Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/14Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/65Additives macromolecular
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer 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)
  • Plant Pathology (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

A kind of exterior coating agent of high-adhesion of the invention, belongs to technical field of coatings.A kind of exterior coating agent of high-adhesion, the raw material including following parts by weight: epoxy resin, precipitated calcium carbonate, poly-dopamine, antifreezing agent, Chitosan powder, polyvinyl alcohol, SiO 2 powder, polyvinyl butyral, pigments and fillers, crosslinking agent and water;The Chitosan powder is to mix water soluble chitosan and silver ion to make its load silver ion through hydro-thermal method and be made.This exterior coating agent preparation method is simple, and gained exterior coating agent viscosity is high and has mildew resistance, avoids falling off and generating mildew after being applied to wall, influences beauty.

Description

A kind of exterior coating agent of high-adhesion
Technical field
The invention belongs to the exterior coating agent of technical field of coatings more particularly to a kind of high-adhesion.
Background technique
With the fast development of building trade, the application field of exterior coating is greatly increased, and traditional exterior coating can be with Factors are unendurable time, rainy day etc. is adhered on exterior wall, will appear over time fall off, de- flower phenomenon, for exterior wall Aesthetics produce serious influence.
Summary of the invention
In view of the above problems, the present invention provides a kind of exterior coating agent of high-adhesion, this coating agent preparation Method is simple and environmentally-friendly, and gained coating agent has good caking property and mildew resistance.
The technical solution adopted by the invention is as follows:
A kind of exterior coating agent of high-adhesion, the raw material including following parts by weight: epoxy resin, gathers precipitated calcium carbonate Dopamine, antifreezing agent, Chitosan powder, polyvinyl alcohol, SiO 2 powder, polyvinyl butyral, pigments and fillers, crosslinking agent and Water;The Chitosan powder is to mix water soluble chitosan and silver ion to make its load silver ion through hydro-thermal method and be made.
Further, the exterior coating agent of a kind of high-adhesion, the raw material including following parts by weight: epoxy resin 25~33 parts, it is 10~13 parts of precipitated calcium carbonate, 3~5 parts of poly-dopamine, 1.5~2 parts of antifreezing agent, 1~2 part of Chitosan powder, poly- 2~4 parts of vinyl alcohol, 2~4 parts of SiO 2 powder, 10~12 parts of polyvinyl butyral, 20~28 parts of pigments and fillers, crosslinking agent 4 ~6 parts and 64~99 parts of water;The Chitosan powder is to mix water soluble chitosan and silver ion to make its load through hydro-thermal method Silver ion and be made.
Further, the exterior coating agent of a kind of high-adhesion, the raw material including following parts by weight: epoxy resin 30 parts, 12 parts of precipitated calcium carbonate, 4 parts of poly-dopamine, 1.8 parts of antifreezing agent, 1.5 parts of Chitosan powder, polyvinyl alcohol with low degree of polymerization 3 Part, 3 parts of SiO 2 powder, 11 parts of polyvinyl butyral, 24 parts of pigments and fillers, 5 parts of crosslinking agent and 85 parts of water;The chitosan Powder is to mix water soluble chitosan and silver ion to make its load silver ion through hydro-thermal method and be made.
Further, the Chitosan powder is by water-soluble chitosan oligomer acid solution and silver chlorate with mass ratio For 3~5:1 mode carry out room temperature mixing, stirring 30~40min, be then put into reaction kettle carry out 100~120 DEG C 16~ The hydro-thermal reaction of 20h is taken out, is centrifuged, prepared by drying.
Further, the preparation method of the exterior coating agent of a kind of high-adhesion, comprising the following steps:
S1. epoxy resin, precipitated calcium carbonate, SiO 2 powder and pigments and fillers are subjected to ball milling in the ball mill in proportion 3~5h takes out, and the water that formula ratio is added is stirred in quick peeler, obtains slurry;
S2. polyvinyl alcohol with low degree of polymerization, polyvinyl butyral and crosslinking agent are added in quick peeler, 70~ It is stirred 30~50min at 80 DEG C, poly-dopamine is added and stirs 20~30min;Again by slurry obtained by S1 be added stirring 1~ 1.5h;
S3. 40~50 DEG C are cooled to, Chitosan powder is added and stirs 10~15min, is down to room temperature, antifreezing agent is added, into Row stirs 10~20min to get the exterior coating agent of high-adhesion.
Further, the stirring rate of the quick peeler is 500r/min.
By adopting the above-described technical solution, the beneficial effects of the present invention are: the exterior coating of high-adhesion of the invention Agent preparation method is simple, and gained exterior coating agent viscosity is high and has mildew resistance, avoids falling off and producing after being applied to wall It mildews change, influences beauty.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be described in detail:
A kind of exterior coating agent of high-adhesion, the raw material including following parts by weight: epoxy resin, gathers precipitated calcium carbonate Dopamine, antifreezing agent, Chitosan powder, polyvinyl alcohol, SiO 2 powder, polyvinyl butyral, pigments and fillers, crosslinking agent and Water;The Chitosan powder is to mix water soluble chitosan and silver ion to make its load silver ion through hydro-thermal method and be made.
Further, the exterior coating agent of a kind of high-adhesion, the raw material including following parts by weight: epoxy resin 25~33 parts, it is 10~13 parts of precipitated calcium carbonate, 3~5 parts of poly-dopamine, 1.5~2 parts of antifreezing agent, 1~2 part of Chitosan powder, poly- 2~4 parts of vinyl alcohol, 2~4 parts of SiO 2 powder, 10~12 parts of polyvinyl butyral, 20~28 parts of pigments and fillers, crosslinking agent 4 ~6 parts and 64~99 parts of water;The Chitosan powder is to mix water soluble chitosan and silver ion to make its load through hydro-thermal method Silver ion and be made.
Further, the exterior coating agent of a kind of high-adhesion, the raw material including following parts by weight: epoxy resin 30 parts, 12 parts of precipitated calcium carbonate, 4 parts of poly-dopamine, 1.8 parts of antifreezing agent, 1.5 parts of Chitosan powder, polyvinyl alcohol with low degree of polymerization 3 Part, 3 parts of SiO 2 powder, 11 parts of polyvinyl butyral, 24 parts of pigments and fillers, 5 parts of crosslinking agent and 85 parts of water;The chitosan Powder is to mix water soluble chitosan and silver ion to make its load silver ion through hydro-thermal method and be made.
Further, the Chitosan powder is by water-soluble chitosan oligomer acid solution and silver chlorate with mass ratio For 3~5:1 mode carry out room temperature mixing, stirring 30~40min, be then put into reaction kettle carry out 100~120 DEG C 16~ The hydro-thermal reaction of 20h is taken out, is centrifuged, prepared by drying.
Further, the preparation method of the exterior coating agent of a kind of high-adhesion, comprising the following steps:
S1. epoxy resin, precipitated calcium carbonate, SiO 2 powder and pigments and fillers are subjected to ball milling in the ball mill in proportion 3~5h takes out, and the water that formula ratio is added is stirred in quick peeler, obtains slurry;
S2. polyvinyl alcohol with low degree of polymerization, polyvinyl butyral and crosslinking agent are added in quick peeler, 70~ It is stirred 30~50min at 80 DEG C, poly-dopamine is added and stirs 20~30min;Again by slurry obtained by S1 be added stirring 1~ 1.5h;
S3. 40~50 DEG C are cooled to, Chitosan powder is added and stirs 10~15min, is down to room temperature, antifreezing agent is added, into Row stirs 10~20min to get the exterior coating agent of high-adhesion.
Further, the stirring rate of the quick peeler is 500r/min.
Embodiment of the present invention can be replaced by the difference of particular technique range based on the above technical solution Change, available numerous embodiment, therefore, several embodiments as described below, be only merely in numerous embodiment compared with Excellent example, any technology replacement done in above-mentioned technical proposal, all belongs to the scope of protection of the present invention.
Embodiment 1
A kind of exterior coating agent of high-adhesion, the raw material including following parts by weight: 30 parts of epoxy resin, precipitated calcium carbonate 12 parts, 4 parts of poly-dopamine, 1.8 parts of antifreezing agent, 1.5 parts of Chitosan powder, 3 parts of polyvinyl alcohol with low degree of polymerization, SiO 2 powder 3 parts, 11 parts of polyvinyl butyral, 24 parts of pigments and fillers, 5 parts of crosslinking agent and 85 parts of water;The Chitosan powder is will be water-soluble Chitosan and silver ion mixing make its load silver ion through hydro-thermal method and are made.
The Chitosan powder is the side by water-soluble chitosan oligomer acid solution and silver chlorate with mass ratio for 3:1 Formula carries out room temperature mixing, stirring 30min, is then put into the hydro-thermal reaction that 100 DEG C of 16h are carried out in reaction kettle, takes out, is centrifuged, is dry Prepared by dry.
Embodiment 2
A kind of exterior coating agent of high-adhesion, the raw material including following parts by weight: 25 parts of epoxy resin, precipitated calcium carbonate 10 parts, 3 parts of poly-dopamine, 1.5 parts of antifreezing agent, 1 part of Chitosan powder, 2 parts of polyvinyl alcohol, 2 parts of SiO 2 powder, polyethylene 10 parts of butyral, 20 parts of pigments and fillers, 4 parts of crosslinking agent and 64 parts of water;The Chitosan powder is by water soluble chitosan and silver Ar ion mixing makes its load silver ion through hydro-thermal method and is made.
The Chitosan powder is the side by water-soluble chitosan oligomer acid solution and silver chlorate with mass ratio for 5:1 Formula carries out room temperature mixing, stirring 40min, is then put into the hydro-thermal reaction that 120 DEG C of 20h are carried out in reaction kettle, takes out, is centrifuged, is dry Prepared by dry.
Embodiment 3
A kind of exterior coating agent of high-adhesion, the raw material including following parts by weight: 33 parts of epoxy resin, precipitated calcium carbonate 13 parts, 5 parts of poly-dopamine, 2 parts of antifreezing agent, 2 parts of Chitosan powder, 4 parts of polyvinyl alcohol, 4 parts of SiO 2 powder, polyvinyl alcohol 12 parts of butyral, 28 parts of pigments and fillers, 6 parts of crosslinking agent and 99 parts of water;The Chitosan powder be by water soluble chitosan and silver from Son mixing makes its load silver ion through hydro-thermal method and is made.
The Chitosan powder is the side by water-soluble chitosan oligomer acid solution and silver chlorate with mass ratio for 4:1 Formula carries out room temperature mixing, stirring 35min, is then put into the hydro-thermal reaction that 110 DEG C of 18h are carried out in reaction kettle, takes out, is centrifuged, is dry Prepared by dry.
Embodiment 4
A kind of preparation method of the exterior coating agent of high-adhesion, comprising the following steps:
S1. epoxy resin, precipitated calcium carbonate, SiO 2 powder and pigments and fillers are subjected to ball milling in the ball mill in proportion 3h takes out, and the water that formula ratio is added is stirred in quick peeler, obtains slurry;
S2. polyvinyl alcohol with low degree of polymerization, polyvinyl butyral and crosslinking agent are added in quick peeler, at 70 DEG C Under be stirred 30min, poly-dopamine is added and stirs 20min;Stirring 1h is added in slurry obtained by S1 again;
S3. 40 DEG C are cooled to, Chitosan powder is added and stirs 10min, is down to room temperature, antifreezing agent is added, is stirred 10min to get high-adhesion exterior coating agent.
Further, the stirring rate of the quick peeler is 500r/min.
Embodiment 5
A kind of preparation method of the exterior coating agent of high-adhesion, comprising the following steps:
S1. epoxy resin, precipitated calcium carbonate, SiO 2 powder and pigments and fillers are subjected to ball milling in the ball mill in proportion 5h takes out, and the water that formula ratio is added is stirred in quick peeler, obtains slurry;
S2. polyvinyl alcohol with low degree of polymerization, polyvinyl butyral and crosslinking agent are added in quick peeler, at 80 DEG C Under be stirred 50min, poly-dopamine is added and stirs 30min;Stirring 1.5h is added in slurry obtained by S1 again;
S3. 50 DEG C are cooled to, Chitosan powder is added and stirs 15min, is down to room temperature, antifreezing agent is added, is stirred 20min to get high-adhesion exterior coating agent.
Further, the stirring rate of the quick peeler is 500r/min.
Embodiment 6
A kind of preparation method of the exterior coating agent of high-adhesion, comprising the following steps:
S1. epoxy resin, precipitated calcium carbonate, SiO 2 powder and pigments and fillers are subjected to ball milling in the ball mill in proportion 4h takes out, and the water that formula ratio is added is stirred in quick peeler, obtains slurry;
S2. polyvinyl alcohol with low degree of polymerization, polyvinyl butyral and crosslinking agent are added in quick peeler, at 75 DEG C Under be stirred 40min, poly-dopamine is added and stirs 25min;Stirring 1.2h is added in slurry obtained by S1 again;
S3. 45 DEG C are cooled to, Chitosan powder is added and stirs 12min, is down to room temperature, antifreezing agent is added, is stirred 15min to get high-adhesion exterior coating agent.
Further, the stirring rate of the quick peeler is 500r/min.
Embodiment 7
With embodiment 4, the dosage of the raw material is the same as embodiment 1.
Embodiment 8
With embodiment 4, the dosage of the raw material is the same as embodiment 2.
Embodiment 9
With embodiment 4, the dosage of the raw material is the same as embodiment 3.
Embodiment 10
With embodiment 5, the dosage of the raw material is the same as embodiment 1.
Embodiment 11
With embodiment 5, the dosage of the raw material is the same as embodiment 2.
Embodiment 12
With embodiment 5, the dosage of the raw material is the same as embodiment 3.
Embodiment 13
With embodiment 6, the dosage of the raw material is the same as embodiment 1.
Embodiment 14
With embodiment 6, the dosage of the raw material is the same as embodiment 2.
Embodiment 15
With embodiment 6, the dosage of the raw material is the same as embodiment 3.
As being detected to obtain table 1 to exterior coating obtained by embodiment 7~15, execution standard is the People's Republic of China (PRC) Building material industry coating examination criteria GB/T9755-2001.
It provides to carry out fungus-proof test by GB/T1741, mould proof grade is up to 0 grade.
1 exterior coating performance of table
Exterior coating agent performance of the invention meets professional standard, and viscosity is good, and 450 hours are greater than in aging test not It falls off, is not blistering, is flawless;Adhesive force grade is up to 1 grade.

Claims (6)

1. a kind of exterior coating agent of high-adhesion, which is characterized in that the raw material including following parts by weight: epoxy resin, lightweight Calcium carbonate, poly-dopamine, antifreezing agent, Chitosan powder, polyvinyl alcohol, SiO 2 powder, polyvinyl butyral, face are filled out Material, crosslinking agent and water;The Chitosan powder be water soluble chitosan and silver ion are mixed through hydro-thermal method make its load silver from Son and be made.
2. a kind of exterior coating agent of high-adhesion as described in claim 1, which is characterized in that the original including following parts by weight Material: 25~33 parts of epoxy resin, 10~13 parts of precipitated calcium carbonate, 3~5 parts of poly-dopamine, 1.5~2 parts of antifreezing agent, chitosan powder 1~2 part last, 2~4 parts of polyvinyl alcohol, 2~4 parts of SiO 2 powder, 10~12 parts of polyvinyl butyral, pigments and fillers 20~ 28 parts, 4~6 parts of crosslinking agent and 64~99 parts of water;The Chitosan powder is to mix water soluble chitosan and silver ion through water Thermal method makes its load silver ion and is made.
3. a kind of exterior coating agent of high-adhesion as described in claim 1, which is characterized in that the original including following parts by weight Material: 30 parts of epoxy resin, 12 parts of precipitated calcium carbonate, 4 parts of poly-dopamine, 1.8 parts of antifreezing agent, 1.5 parts of Chitosan powder, oligomerization Spend 3 parts of polyvinyl alcohol, 3 parts of SiO 2 powder, 11 parts of polyvinyl butyral, 24 parts of pigments and fillers, 5 parts of crosslinking agent and water 85 Part;The Chitosan powder is to mix water soluble chitosan and silver ion to make its load silver ion through hydro-thermal method and be made.
4. a kind of exterior coating agent of high-adhesion according to any one of claims 1 to 3, which is characterized in that the shell Glycan powder is that water-soluble chitosan oligomer acid solution and silver chlorate are carried out room temperature in such a way that mass ratio is 3~5:1 Mixing, 30~40min of stirring, are then put into the hydro-thermal reaction that 100~120 DEG C of 16~20h are carried out in reaction kettle, take out, be centrifuged, Prepared by drying.
5. a kind of preparation method of the exterior coating agent of high-adhesion according to any one of claims 1 to 3, feature exist In, comprising the following steps:
S1. by epoxy resin, precipitated calcium carbonate, SiO 2 powder and pigments and fillers in proportion in the ball mill carry out ball milling 3~ 5h takes out, and the water that formula ratio is added is stirred in quick peeler, obtains slurry;
S2. polyvinyl alcohol with low degree of polymerization, polyvinyl butyral and crosslinking agent are added in quick peeler, at 70~80 DEG C Under be stirred 30~50min, poly-dopamine is added and stirs 20~30min;1~1.5h of stirring is added in slurry obtained by S1 again;
S3. 40~50 DEG C are cooled to, Chitosan powder is added and stirs 10~15min, is down to room temperature, antifreezing agent is added, is stirred 10~20min is mixed to get the exterior coating agent of high-adhesion.
6. a kind of preparation method of the exterior coating agent of high-adhesion as claimed in claim 5, which is characterized in that the high speed The stirring rate of whirler is 500r/min.
CN201811454776.5A 2018-11-30 2018-11-30 A kind of exterior coating agent of high-adhesion Pending CN109517490A (en)

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Application Number Priority Date Filing Date Title
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104277637A (en) * 2014-10-29 2015-01-14 安徽朗凯奇建材有限公司 Self-cleaning flame-retardant exterior wall coating and preparation method thereof
CN104725955A (en) * 2015-02-11 2015-06-24 长兴艾飞特塑料科技有限公司 Preparation method of water-soluble varnish compounded with Ag-carrying chitosan
WO2018058412A1 (en) * 2016-09-29 2018-04-05 张振宾 Metallic paint and preparation method therefor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104277637A (en) * 2014-10-29 2015-01-14 安徽朗凯奇建材有限公司 Self-cleaning flame-retardant exterior wall coating and preparation method thereof
CN104725955A (en) * 2015-02-11 2015-06-24 长兴艾飞特塑料科技有限公司 Preparation method of water-soluble varnish compounded with Ag-carrying chitosan
WO2018058412A1 (en) * 2016-09-29 2018-04-05 张振宾 Metallic paint and preparation method therefor

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Application publication date: 20190326