CN107760144B - A kind of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating and preparation method thereof - Google Patents
A kind of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating and preparation method thereof Download PDFInfo
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- CN107760144B CN107760144B CN201711004505.5A CN201711004505A CN107760144B CN 107760144 B CN107760144 B CN 107760144B CN 201711004505 A CN201711004505 A CN 201711004505A CN 107760144 B CN107760144 B CN 107760144B
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- 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
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/08—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
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- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
- C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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Abstract
The present invention provides a kind of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coatings, are made of the raw material of following weight parts: 10~55 parts of one kind aqueous fluorine-containing containing guanidine hydrochloride polyurethane resin, 5~15 parts of self-cross linking type curing agent, 1~8 part of thickener, 0.1~2 part of wetting agent, 6~12 parts of levelling agent, 10~20 parts of filler, 15~30 parts of deionized water.The present invention also provides the preparation methods of above-mentioned coating.Preparation process of the present invention is simple, safety and environmental protection, and obtained water paint has the characteristics that saline-alkaline corrosion-resistant, anti-microbial property are excellent, can be used for the fields such as heavy antisepsis, high salt fog, the naval vessel under high pollution environment, submarine, aircraft or marine facility.
Description
Technical field
The invention belongs to chemical fields, are related to a kind of coating, specifically a kind of poly- ammonia of antibiosis and self-cleaning type aqueous fluorine-containing
Ester paint and preparation method thereof.
Background technique
Current people start to march to deep-sea and subterranean resource field to obtain a large amount of development resource.In recent years, I
State also starts to focus on the deep-sea of environment complexity and subterranean resource exploitation.Due to its exploitation environment be mostly heavy antisepsis, high salt fog,
High pollution, therefore Strategic Demand needs a large amount of anticorrosions, antibiosis and self-cleaning type coating.Especially with marine transportation, deep-sea mining,
The rise of the emerging marine industries such as port and pier, oil and gas development, marine biotechnology, the mankind gradually walk the development and utilization of ocean
To deeply, the scale of ocean development constantly expands, but marine environment is the very strong disaster environment of corrosivity again, so that latent
Deterioration destruction, corrosion and marine bacteria pollution easily occur in marine environment for the equipment and materials such as ship, naval vessel, submarine pipeline.
Aerospace field is also developing rapidly at present, and environment is complicated and changeable in atmosphere, and a large amount of corrosive gas are broken to altitude plant
It is bad very big, such as the corrosion etc. to aircraft skin.Today, people are more and more frequent to the exploration of ground end resource, and underground job is got over
Come more, because ground end environment is throughout the year dark moist, subsurface equipment corrosion and germ contamination are serious.
To solve above-mentioned facility Organic fluoride can be mostly used in the use under heavy antisepsis, high salt fog, high pollution environment, people
Carbon paint coating, epoxy coal tar anti-corrosive paint etc. protect facility, or use inorganic anti-corrosion paint, such as water-soluble silicon
Phosphate-gallate series, silica solution system, organosilicon etc..But there are various limitations in construction for the organic coating described in the former, coating is rigid,
The elasticity not had, performance is unstable, cracking, decortication phenomenon easily occurs；The latter's smearing thickness is thicker, and adds inorganic anti-
Rotten agent is easily migrated out with the variation of time, cannot reach long-time corrosion-resistant purpose.
Aqueous fluorine-containing polyurethane has corrosion resistance, long-acting weatherability and preferable hydrophobicity.It is widely used in vapour
The fields such as vehicle, household electrical appliances, petrochemical industry, and show the impetus of fast development.But it is by aqueous fluorine-containing polyurethane nano grade lotion at present
Water paint made of resinous substrates is rarely reported.The present invention provides a kind of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating and
Preparation method.Paint preparation technology provided by the invention is simple, safety and environmental protection, and obtained water paint has saline-alkali tolerant rotten
Erosion, the features such as anti-microbial property is excellent, can be used for heavy antisepsis, high salt fog, the naval vessel under high pollution environment, submarine, aircraft or ocean
The fields such as facility.
Summary of the invention
For above-mentioned technical problem in the prior art, the present invention provides a kind of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane
Coating and preparation method thereof, described this antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating and preparation method thereof will solve existing
Coating is difficult to the technical issues of applying in heavy antisepsis, high salt fog, high pollution field.
The present invention provides a kind of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coatings, are made of the raw material of following weight parts:
10~55 parts of the polyurethane resin of aqueous fluorine-containing containing guanidine hydrochloride；
5~15 parts of self-cross linking type curing agent；
1~8 part of thickener；
0.1~2 part of wetting agent；
6~12 parts of levelling agent；
10~20 parts of filler；
15~30 parts of deionized water.
Further, the structure of the polyurethane resin of aqueous fluorine-containing containing guanidine hydrochloride is as follows:
RFFor acrylic compounds fluoroalkyl monomer, the acrylic compounds fluoroalkyl monomer is selected from acrylic acid tetrafluoro ethyl ester, third
Olefin(e) acid trifluoro ethyl ester, trifluoroethyl methacrylate, hexafluorobutyl acrylate, 2,2,3,3,3- pentafluoropropyl group acrylate, 2,
2,3,3- tetrafluoro propyl acrylates, 1H, 1H, 5H- octafluoro acrylate, acrylic acid -1,1,1,3,3,3- hexafluoro isopropyl
Any one in ester, R1 is diisocyanates, R2For polyester polyol, R3For a kind of hydrophilic chain extension of antimicrobial form guanidine hydrochloride
Agent, structure are as follows:
Wherein, R represents the alkyl of hydrogen atom or carbon atom 1~15；The integer that m is 0~15；The integer that n is 0~15；R is
1~20 integer.
Further, the alkyl isI is 0~14.
The present invention also provides the preparation methods of above-mentioned antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating, including following step
It is rapid:
1) the step of preparation polyurethane resin of aqueous fluorine-containing containing guanidine hydrochloride；
A, reaction raw materials are first weighed, the mass percent of each raw material is as follows:
Above-mentioned acrylic base is methacrylic acid, ethylacrylic acid, hydroxy-ethyl acrylate or hydroxyethyl methacrylate
Any one in the acrylic compounds such as ethyl ester.
Polyester diol is dehydrated 80~100min at 120~130 DEG C, temperature is adjusted to 60~80 DEG C, by diisocyanate
Ester, which is added in reaction unit, reacts 10~30min；Antimicrobial form guanidine hydrochloride hydrophilic chain extender is added in reaction unit, reaction 60
~80min；Acrylic graft is added, reacts 5~20min, heat preservation 10 arrives 15min, obtains component A；
Persulfate and acrylic acid fluorochemical monomer are mixed, B component is obtained；
70~80 DEG C are adjusted the temperature to, by A and B 20~30min of hybrid reaction, 40~60min is kept the temperature, prepares solid content
The polyurethane resin of aqueous fluorine-containing containing guanidine hydrochloride less than 40%；
2) polyurethane resin of aqueous fluorine-containing containing guanidine hydrochloride, self-cross linking type curing agent, thickener, profit are weighed according to material ratio
Wetting agent, levelling agent are mixed with deionized water, are heated to 25~40 DEG C, addition is filled out by humectant, levelling agent, filler, deionized water
Material is dispersed with stirring 10~30min in 300~800rpm/min, is added aqueous fluorine-containing polyurethane resin, and stirring at normal temperature 30~
80min adds self-cross linking type curing agent, is thoroughly mixed, and it is aqueous to get the antibiosis and self-cleaning type to be eventually adding thickener
Fluorocarbon coatings.
Further, curing agent described in step 2) be ethylenediamine, diethylentriamine, triethylenetetramine, benzene dimethylamine,
Phenylenediamine, diaminodiphenyl-methane, diamino diphenyl sulfone, beta-hydroxyethyl ethylenediamine, in cyanoethylation diethylentriamine
Any one or two or more combinations.
Further, thickener described in step 2) is methylcellulose, hydroxypropyl methyl cellulose, polyvinyl alcohol, gathers
Ethylene oxide, carbomer, Sodium Polyacrylate, any one or two or more combinations in Polyacrylate Emulsion.
Further, wetting agent described in step 2) is alkyl sulfate, sulfonate, fatty acid or aliphatic ester sulfuric acid
Salt, carboxylic acid soaps, phosphate, polyoxyethylated alkyl phenol, polyoxyethylene aliphatic alcohol ether, polyoxyethylene polyoxypropylene block copolymerization
Any one in object or two or more combinations.
Further, levelling agent described in step 2) is dimethyl silicone polymer, polymethylphenylsiloxane, acrylic acid tree
Any one in rouge or two or more combinations.
Further, filler described in step 2) be titanium dioxide, it is chrome yellow, calcium carbonate, talcum powder, any one in barium sulfate
Kind or two or more combinations.
Further, the persulfate is any one in potassium peroxydisulfate, sodium peroxydisulfate or persulfuric acid calcium.
Further, the diisocyanates are isoflurane chalcone diisocyanate, methyl diphenylene diisocyanate
Or any one in toluene di-isocyanate(TDI) etc..
The antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating prepared by the above method, fineness is small and film coated surface gloss and
Smooth, preparation process is simple, at low cost, has excellent self-cleaning and antibiotic property, and saline-alkaline corrosion-resistant.
A kind of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane resin of the invention is as main film forming substance, by its resin
Group containing guanidine hydrochloride and low-surface-energy fluorine element are introduced in molecular structure simultaneously, the two collective effect assigns the poly- ammonia of aqueous fluorine-containing
Ester paint excellent anti-microbial property and self-cleaning property, the problems such as efficiently solving the corrosion of bacterium in ocean to marine facility.
Aqueous fluorine-containing polyurethane coating prepared by the present invention, because using nanoscale resin as main film forming substance,
And it is suitable for coating coating, coating layer thickness is less than 15um, has the characteristics that at low cost, preparation process is simple, safety and environmental protection.Have
Effect overcomes the blocked up technological deficiency of existing organic coating smearing thickness, while solving organic coating coating rigidity, does not have
The elasticity got ready, performance is unstable, the problems such as cracking, decortication easily occurs.Suitable for large-scale industrial production.
It is compared behind this with prior art, technological progress is significant.Antibiosis and self-cleaning type prepared by the present invention is aqueous to be contained
Fluoride polyurethane coating, antibiotic rate reach 95~99.9%；Using mirror surface luster measuring method, gloss value is 90~99；Its
It surface can be in 1.5~12.0mJ/m2；The zinc-plated tinplate (0.5mm) for being coated with the coating impregnates 1200 in the seawater~
6000h does not observe hot spot under microscope；Its anti-drawing strength is in 8~15MPa.Preparation process of the present invention is simple, safety collar
It protects, obtained water paint has the characteristics that saline-alkaline corrosion-resistant, anti-microbial property are excellent, can be used for heavy antisepsis, high salt fog, high dirt
Contaminate the fields such as naval vessel, submarine, aircraft or the marine facility under environment.
Detailed description of the invention
Fig. 1 is that antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating prepared by the embodiment of the present invention 1 impregnates 1200h in the seawater
The picture that microscopically observation afterwards arrives.
Specific embodiment
The present invention is specifically described below by embodiment, is served only for that of the invention is further described,
It should not be understood as limiting the scope of the present invention, the pertinent art of the technology can make according to the summary of the invention
Nonessential modifications and adaptations.
It is raw materials used divided by lower mark explanation in the embodiment of the present invention, it is other to be purchased from Taizhou City big coating additive has together
Limit company.The aqueous fluorine-containing polyurethane resin is self-control, prepares raw material isophorone diisocyanate, toluene diisocynate
Ester, PBA-2000, PBA-3000 are purchased from Beyer Co., Ltd；Dibutyl tin dilaurate, potassium persulphate catalyst are public purchased from BASF
Department.
In various embodiments of the present invention:
Minimum inhibitory concentration (MIC) test is done with reference to NCCLS international standard；And its anti-corrosion is detected using seawater immersion test
Corrosion energy；Glossiness detection is carried out to coating with reference to standard GB/T 49873.6-85；It is surveyed using paint adhesion strength tester
Try the anti-drawing strength of coating；Using the surface energy of the surface SEA energy tester test coating.
Embodiment 1
Step (1): the preparation of the polyurethane resin of aqueous fluorine-containing containing guanidine hydrochloride
The PBA-2000 of mass fraction 30% is dehydrated 90min at 120 DEG C, temperature is adjusted to 65 DEG C, by mass fraction
50% isophorone diisocyanate, which is added in reaction unit, reacts 15min；By the hydrophilic expansion of the guanidine hydrochloride of mass fraction 3%
Chain agent is added in reaction unit, reacts 60min；The methacrylic acid grafting of mass fraction 7% is added, reacts 5min, heat preservation
10min obtains component A；The hexafluorobutyl acrylate monomer of the potassium peroxydisulfate of mass fraction 1% and mass fraction 9% is mixed
(B component)；70 DEG C are adjusted the temperature to, by A and B hybrid reaction 20min, keeps the temperature 40min, preparing solid content is 20% containing guanidine
Hydrochloride aqueous fluorine-containing polyurethane resin.
Step (2): the preparation of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating
A kind of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating and preparation method thereof, composition of raw materials by weight is such as
Under:
Above-mentioned wetting agent, levelling agent are mixed with deionized water, are heated to 35 DEG C, filler is added, is stirred in 500rpm/min
Dispersion 15min is mixed, aqueous fluorine-containing polyurethane resin is added, stirring at normal temperature 30min adds self-cross linking type curing agent, sufficiently stirs
Mixing is mixed, is eventually adding thickener to get the antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating.
The coating of embodiment preparation, antibiotic rate 96%；Using mirror surface luster measuring method, gloss value is 92；
It its surface can be in 9.8mJ/m2；The zinc-plated tinplate for being coated with the coating impregnates 1200h in the seawater, does not observe under microscope
Hot spot；Its anti-drawing strength is in 8MPa.
Embodiment 2
Step (1): the preparation of the polyurethane resin of aqueous fluorine-containing containing guanidine hydrochloride
The PBA-3000 of mass fraction 35% is dehydrated 80min at 130 DEG C, temperature is adjusted to 70 DEG C, by mass fraction
45% toluene di-isocyanate(TDI), which is added in reaction unit, reacts 20min；By the guanidine hydrochloride hydrophilic chain extender of mass fraction 7%
It is added in reaction unit, reacts 65min；The methacrylic acid grafted methacrylic acid grafting of mass fraction 6%, reaction is added
8min keeps the temperature 10min, obtains component A.By the hexafluorobutyl acrylate of the potassium peroxydisulfate of mass fraction 1% and mass fraction 6%
Monomer mixes (B component)；By A and B hybrid reaction 25min, temperature is adjusted to 75 DEG C, reacts 45min, keeps the temperature 50min, prepares solid
The polyurethane resin of aqueous fluorine-containing containing guanidine hydrochloride of content 28%.
Step (2): the preparation of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating
A kind of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating and preparation method thereof, composition of raw materials by weight is such as
Under:
Above-mentioned wetting agent, levelling agent are mixed with deionized water, are heated to 35 DEG C, filler is added, is stirred in 350rpm/min
Dispersion 20min is mixed, aqueous fluorine-containing polyurethane resin is added, stirring at normal temperature 40min adds self-cross linking type curing agent, sufficiently stirs
Mixing is mixed, is eventually adding thickener to get the antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating.
The coating of embodiment preparation, antibiotic rate 98%；Using mirror surface luster measuring method, gloss value is 95；
It its surface can be in 6.7mJ/m2；The zinc-plated tinplate for being coated with the coating impregnates 4000h in the seawater, does not observe under microscope
Hot spot；Its anti-drawing strength is in 10MPa.
Embodiment 3
In step (1), diisocyanate is changed to toluene di-isocyanate(TDI), reaction temperature is adjusted to 80 DEG C, and other steps are equal
It is same as Example 1, prepare the polyurethane resin of aqueous fluorine-containing containing guanidine hydrochloride of solid content 35%.
Step (2): the preparation of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating
A kind of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating and preparation method thereof, composition of raw materials by weight is such as
Under:
Above-mentioned wetting agent, levelling agent are mixed with deionized water, are heated to 35 DEG C, filler is added, is stirred in 500rpm/min
Dispersion 20min is mixed, aqueous fluorine-containing polyurethane resin is added, stirring at normal temperature 25min adds self-cross linking type curing agent, sufficiently stirs
Mixing is mixed, is eventually adding thickener to get the antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating.
The coating of embodiment preparation, antibiotic rate 99%；Using mirror surface luster measuring method, gloss value is 98；
It its surface can be in 1.6mJ/m2；The zinc-plated tinplate for being coated with the coating impregnates 6000h in the seawater, does not observe under microscope
Hot spot；Its anti-drawing strength is in 5MPa.
Claims (10)
1. a kind of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating, it is characterised in that be made of the raw material of following weight parts:
10~55 parts of the polyurethane resin of aqueous fluorine-containing containing guanidine hydrochloride；
5~15 parts of self-cross linking type curing agent；
1~8 part of thickener；
0.1~2 part of wetting agent；
6~12 parts of levelling agent；
10~20 parts of filler；
15~30 parts of deionized water.
2. a kind of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating according to claim 1, it is characterised in that: described contains guanidine
The structure of hydrochloride aqueous fluorine-containing polyurethane resin is as follows:
RFFor acrylic compounds fluoroalkyl monomer, the acrylic compounds fluoroalkyl monomer is selected from acrylic acid tetrafluoro ethyl ester, acrylic acid three
Fluorine ethyl ester, trifluoroethyl methacrylate, hexafluorobutyl acrylate, 2,2,3,3,3- pentafluoropropyl group acrylate, 2,2,
3,3- tetrafluoro propyl acrylate, 1H, 1H, 5H- octafluoro acrylate, acrylic acid -1,1,1,3,3,3- six
Any one in fluorine isopropyl ester, R1For diisocyanates, R2For polyester polyol, R3For a kind of antimicrobial form guanidine hydrochloride parent
Water chain extender, structure are as follows:
Wherein, R represents the alkyl of hydrogen atom or carbon atom 1~15；The integer that m is 0~15；The integer that n is 0~15；R be 1~
20 integer.
3. a kind of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating according to claim 2, it is characterised in that: the alkyl
For, i is 0~14.
4. the preparation method of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating described in claim 1, it is characterised in that including with
Lower step:
1) the step of preparation polyurethane resin of aqueous fluorine-containing containing guanidine hydrochloride；
The polyester diol of mass fraction 30~45% is dehydrated 80~100 min at 120~130 DEG C, temperature is adjusted to 60~80
DEG C, the diisocyanate of mass fraction 40~55% is added in reaction unit and reacts 10~30 min；By mass fraction 1~9%
Antimicrobial form guanidine hydrochloride hydrophilic chain extender be added reaction unit in, react 60~80 min；Mass fraction 5~15% is added
Acrylic graft reacts 5~20 min, keeps the temperature 10 to 15 min, obtains component A；
The acrylic acid fluorochemical monomer of the persulfate of mass fraction 0.1~1% and mass fraction 1~10% is mixed, B group is obtained
Part；
70~80 DEG C are adjusted the temperature to, by 20~30 min of A and B hybrid reaction, 40~60 min is kept the temperature, it is small to prepare solid content
In 40% polyurethane resin of aqueous fluorine-containing containing guanidine hydrochloride；
2) polyurethane resin of aqueous fluorine-containing containing guanidine hydrochloride, self-cross linking type curing agent, thickener, wetting are weighed according to material ratio
Wetting agent, levelling agent are mixed with deionized water, are heated to 25~40 DEG C, addition is filled out by agent, levelling agent, filler, deionized water
Material is dispersed with stirring 10~30 min in 300~800 rpm, aqueous fluorine-containing polyurethane resin, stirring at normal temperature 30~80 is added
Min adds self-cross linking type curing agent, is thoroughly mixed, and is eventually adding thickener and contains to get the antibiosis and self-cleaning type is aqueous
Fluoride polyurethane coating.
5. a kind of preparation method of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating according to claim 4, it is characterised in that:
Curing agent described in step 2 is ethylenediamine, diethylentriamine, triethylenetetramine, benzene dimethylamine, m-phenylene diamine (MPD), diamino hexichol
Methylmethane, diamino diphenyl sulfone, beta-hydroxyethyl ethylenediamine, in cyanoethylation diethylentriamine any one or it is two or more
Combination.
6. a kind of preparation method of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating according to claim 4, it is characterised in that:
Thickener described in step 2 be methylcellulose, hydroxypropyl methyl cellulose, polyvinyl alcohol, polyethylene glycol oxide, carbomer,
Any one in Sodium Polyacrylate, Polyacrylate Emulsion or two or more combinations.
7. a kind of preparation method of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating according to claim 4, it is characterised in that:
Wetting agent described in step 2 be alkyl sulfate, sulfonate, fatty acid or aliphatic ester sulfate, carboxylic acid soaps, phosphate,
Polyoxyethylated alkyl phenol, polyoxyethylene aliphatic alcohol ether, any one in polyoxyethylene polyoxypropylene block copolymer or two
Kind or more combination.
8. a kind of preparation method of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating according to claim 4, it is characterised in that:
Levelling agent described in step 2 be dimethyl silicone polymer, polymethylphenylsiloxane, in acrylic resin any one or
Two or more combinations.
9. a kind of preparation method of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating according to claim 4, it is characterised in that:
Filler described in step 2 is titanium dioxide, chrome yellow, calcium carbonate, talcum powder, any one or two or more groups in barium sulfate
It closes.
10. a kind of preparation method of antibiosis and self-cleaning type aqueous fluorine-containing polyurethane coating, feature exist according to claim 4
In: the diisocyanates are isoflurane chalcone diisocyanate, methyl diphenylene diisocyanate or toluene two
Isocyanide
Any one in acid esters.
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|---|---|---|---|---|
| CN1694931A (en) * | 2002-10-24 | 2005-11-09 | Sk化学股份有限公司 | Antifouling paint composition |
| CN101792592A (en) * | 2010-03-02 | 2010-08-04 | 上海应用技术学院 | Room-temperature self-crosslinked aqueous polyurethane-polyacrylate containing fluoroalkyl groups in lateral chains and preparation method thereof |
| CN102977762A (en) * | 2012-12-13 | 2013-03-20 | 上海应用技术学院 | Water-based fluorine-containing polyurethane paint and preparation method thereof |
| CN105820751A (en) * | 2016-06-16 | 2016-08-03 | 汤海涛 | Antifouling paint |
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2017
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1694931A (en) * | 2002-10-24 | 2005-11-09 | Sk化学股份有限公司 | Antifouling paint composition |
| CN101792592A (en) * | 2010-03-02 | 2010-08-04 | 上海应用技术学院 | Room-temperature self-crosslinked aqueous polyurethane-polyacrylate containing fluoroalkyl groups in lateral chains and preparation method thereof |
| CN102977762A (en) * | 2012-12-13 | 2013-03-20 | 上海应用技术学院 | Water-based fluorine-containing polyurethane paint and preparation method thereof |
| CN105820751A (en) * | 2016-06-16 | 2016-08-03 | 汤海涛 | Antifouling paint |
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Effective date of registration: 20200721 Address after: Room 125, 1 / F, building 1, 169 shengxia road and 1658 Zhangdong Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: Fluorogold (Shanghai) new materials Co.,Ltd. Address before: 200235 Xuhui District, Caobao Road, No. 120, Patentee before: SHANGHAI INSTITUTE OF TECHNOLOGY |