CN109554089A - A kind of bi-component antifouling paint - Google Patents
A kind of bi-component antifouling paint Download PDFInfo
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- CN109554089A CN109554089A CN201811266052.8A CN201811266052A CN109554089A CN 109554089 A CN109554089 A CN 109554089A CN 201811266052 A CN201811266052 A CN 201811266052A CN 109554089 A CN109554089 A CN 109554089A
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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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
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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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
- C09D5/1668—Vinyl-type polymers
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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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
-
- 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
Abstract
The invention discloses a kind of bi-component antifouling paints, belong to technical field of polymer materials.According to parts by weight, it successively weighs: 50~60 parts of organosilicon modified crylic acid resins, 2~5 parts of dispersing agents, 5~8 parts of coalescing agents, 60~70 solvents, 20~30 parts of additives and 10~15 parts of modified manometer silicon dioxides；Organosilicon modified crylic acid resin is mixed in solvent, and dispersing agent is added, coalescing agent, additive and modified manometer silicon dioxide, are stirred, and obtain component A, according to parts by weight, it successively weighs: 20~30 parts of isocyanates, 20~40 parts of solvents, isocyanates is mixed with solvent, is 30~35 DEG C in temperature, revolving speed is under conditions of 200~300r/min, after being stirred 30~35min, B component is obtained, component A and B component are separately encapsulated to get bi-component antifouling paint.Gained bi-component antifouling paint of the invention has excellent anti-pollution.
Description
Technical field
The invention discloses a kind of bi-component antifouling paints, belong to technical field of polymer materials.
Background technique
Wide ocean is survived millions upon millions of kinds of microorganism, sea-plant and marine animal, wherein having attachment characteristic
Marine organisms reach thousands of kinds.These marine organisms can be attached to the surface of solids in seawater and carry out growth and breeding, especially
In oxygen and sun-drenched surface seawater section, these marine organism growths and reproduction speed faster, often in ship, sea
Foreign engineering and the attachment of underwater facility surface, cause ship, ocean engineering and underwater facility surface to generate and are stained malicious event, therefore
Referred to as marine fouling organism.By taking ship as an example, marine fouling organism alow largely adhere to by surface, not only increases hull
Surface roughness, and will increase hull ship resistance, cause speed of a ship or plane decline and oil consumption to increase, in addition marine fouling organism is attached
Process can generate a large amount of acid mediums, accelerate ship outer casing corrosion, shorten hull service life.Similar marine biofouling
It endangers and brings huge economic loss to the economic activity of the mankind, therefore marine biofouling problem also becomes the mankind and is engaged in ocean
One of great difficult problem encountered since activity.
With flourishing for marine cause, marine growth is stained the concern for increasingly causing people to the attachment of ship, various
Anti-soil technology comes into being, as submarine mechanical cleaning, electrolytic seawater generate hypochlorous acid, electrochemical method release copper ion and painting
Antifouling paint etc. is filled, wherein with coating antifouling paint for most effective, economic, convenient and fast method.But traditional antifouling painting of toxic agent type
Material also brings serious harm to marine environment, and then various laws and regulations are put into effect in succession, completely forbids in antifouling paint
Using organotin, used at present mainly antifouling toxic agent --- cuprous oxide is also limited.For to marine environmental protection
The considerations of and under the pressure of various laws and regulations requirement, it is completely new that major coating material production producer and scientific research institutions are dedicated to research and development one after another
, environmental protection type anti-pollution paint pollution-free to marine environment or low pollution.
Low surface energy anti-fouling paint is a main direction of studying of current nontoxic antifouling paint, it is to utilize coating surface
Low-surface-energy physical characteristic possessed by itself, so that the surface wettability for being stained marine growth and coating is poor, to be difficult to adhere to
Or attachment is loosely, it can be by the Hai Sheng of attachment using the shearing force of water or special cleaning equipment in ship's navigation
Object is removed.Studying more low surface energy anti-fouling paint at present has two classes: one kind is fluoride system low surface energy anti-fouling paint,
But due to its porous surface and elasticity modulus is higher, causes its anti-fouling effect not highly desirable, and higher cost；It is another kind of to be
Organosilicon systems low surface energy anti-fouling paint, in the high speed of a ship or plane, height using more successful on the ship of boat rate, but the low speed of a ship or plane,
It is low on the ship of boat rate using there are still certain limitations.Traditional antifouling paint can not be into there is also anti-pollution at present
The problem of one step improves, therefore also need to study it.
Summary of the invention
The present invention solves the technical problem of: it is asked for what traditional antifouling paint anti-pollution can not further increase
Topic, provides a kind of bi-component antifouling paint.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that:
A kind of bi-component antifouling paint, is mixed by component A and B component, and the component A is by the original of following parts by weight
Material composition: 50~60 parts of organosilicon modified crylic acid resins, 2~5 parts of dispersing agents, 5~8 parts of coalescing agents, 60~70 solvents, 20
~30 parts of additives, 10~15 parts of modified manometer silicon dioxides；The B component is made of the raw material of following parts by weight: 20
~30 parts of isocyanates, 20~40 parts of solvents；
The additive the preparation method comprises the following steps:
Montmorillonite is mixed with concentrated sulfuric acid 1:7~1:8 in mass ratio, and 2~3 times of montmorillonite quality of hydrogen peroxide is added, is stirred
It after reaction, filters, washs, it is dry, modified montmorillonoid is obtained, by modified montmorillonoid and polyallylamine hydrochlorides solution in mass ratio 1:
10~1:12 mixing, and 3~5 times of modified montmorillonoid quality of modified powder dispersion liquid is added, after being stirred, filter, it is dry,
Obtain additive；
The modified manometer silicon dioxide the preparation method comprises the following steps:
Nano silica is mixed with silane resin acceptor kh-550 1:5~1:6 in mass ratio, and it is siliceous that nanometer titanium dioxide is added
The deionized water of 15~20 times of amount adjusts pH to 4.0~4.2, after being stirred to react, filters, dry, obtains modified nano-silica
Silicon.
The organosilicon modified crylic acid resin is to mix toluene with azodiisobutyronitrile 10:1~12:1 in mass ratio,
And 0.5~0.6 times of toluene quality of mix monomer is added, after being stirred to react, obtain organosilicon modified crylic acid resin；The mixing
Monomer be methylchlorosilane is mixed with methyl methacrylate 3:1 in mass ratio, and be added methylchlorosilane quality 0.6~
0.8 times of n-butyl acrylate, the hydroxy-ethyl acrylate and methylchlorosilane quality 0.2 that 0.3~0.6 times of methylchlorosilane~
0.5 times of isobornyl methacrylate, is stirred, and obtains mix monomer.
The dispersing agent is dispersing agent NNO, any one in dispersing agent 5040 or Dispersant MF.
The coalescing agent is any one in film forming agent NP or propandiol butyl ether.
The solvent is toluene, any one in dimethylbenzene or benzene.
The isocyanates is toluene di-isocyanate(TDI), isofoer diisocyanate or methyl diphenylene diisocyanate
In any one.
The modified powder dispersion liquid is that 4.0:1.2~4.0:1.3 is mixed and ground in molar ratio by titanium dioxide and potassium carbonate
Mill is sintered, and is washed, dry, is obtained modified powder, modified powder is mixed with water 1:20~1:30 in mass ratio, ultrasonic disperse obtains
Modified powder dispersion liquid.
The beneficial effects of the present invention are:
(1) additive is added when preparing bi-component antifouling paint in the present invention, firstly, containing montmorillonite in additive, due to covering
De- soil itself has excellent lubricity, and after modification, polyallylamine hydrochlorides macromolecular can with inside montmorillonite
Cation exchange reaction occurs for cation, so that polyallylamine hydrochlorides macromolecular chain be made to enter inside montmorillonite, and makes to cover
De- soil layer spacing expands, and so that montmorillonite is entered organic molecule chain in product inside montmorillonite after being added in product, in turn
It is uniformly distributed in additive can in product, improve the anti-pollution of product, secondly, will change in additive preparation process
Property montmorillonite is mixed with modified powder, so that the lamellar structure in modified powder is adsorbable in modification under the action of electrostatic force
Montmorillonite surface, and then improve the waterproofness of additive, after additive is added in product, can make the anti-pollution of product into
One step improves；
(2) modified manometer silicon dioxide is added in self-love product of the present invention, on the one hand, silica after modification, surface
Grafted silane coupling agent KH-550 improves the compatibility of improved silica and polymer, can be uniform after being added in product
It is scattered in product, so that the soil resistance of product is further increased, another reverse side, after nano-silicon dioxide modified, dioxy
The molecular weight of SiClx surface grafting can be formed with the polyallylamine hydrochlorides macromolecular chain on montmorillonite surface and be wound, to make to be modified
Silica is bonded to additive surface, forms mastoid process structure, improves the hydrophobicity of additive, and then further increase product
Antifouling capacity.
Specific embodiment
By titanium dioxide, 4.0:1.2~4.0:1.3 is mixed in grinder in molar ratio with potassium carbonate, after grinding 1~3h,
Mixed-powder is obtained, mixed-powder is moved into Muffle furnace, after being sintered 12~185h under conditions of being 800~880 DEG C in temperature, out
Material, obtains modified powder blank, after being salt acid elution 5~8 times of 10~12% by modified powder blank mass fraction, then spends
After ion water washing 5~8 times, under conditions of being 80~90 DEG C in temperature by the modified powder blank after washing after dry 1~2h,
Modified powder is obtained, modified powder is mixed with water 1:20~1:30 in mass ratio, under conditions of frequency is 45~55kHz, is surpassed
After sound disperses 20~40min, modified powder dispersion liquid is obtained；Toluene is mixed with azodiisobutyronitrile 10:1~12:1 in mass ratio
In three-necked flask, and 0.5~0.6 times of toluene quality of mix monomer is added into three-necked flask, control mix monomer is added
Rate is 5~10mL/min, and is 50~90 DEG C in temperature, under conditions of revolving speed is 300~320r/min, it is stirred to react 5~
After 6h, organosilicon modified crylic acid resin is obtained；Sulfuric acid 1:7~the 1:8 in mass ratio for being 90~98% by montmorillonite and mass fraction
It is mixed in beaker, and 2~3 times of montmorillonite quality of hydrogen peroxide is added into beaker, be 30~50 DEG C in temperature, revolving speed is
Under conditions of 200~300r/min, after being stirred to react 5~8h, filtering obtains modified montmorillonoid blank, by modified montmorillonoid blank
After being washed with deionized 8~10 times, then at temperature be 80~90 DEG C under conditions of dry 1~2h, obtain modified montmorillonoid, will change
Property montmorillonite and mass fraction be 10~15% polyallylamine hydrochlorides solution 1:10~1:12 in mass ratio mix, Xiang Binggai
Property montmorillonite and polyallylamine hydrochlorides solution mixture in be added 3~5 times of modified montmorillonoid quality modified powder disperse
Liquid is 30~50 DEG C in temperature, and under conditions of revolving speed is 300~500r/min, after being stirred 5~8h, filtering obtains additive
Blank obtains additive under conditions of being 60~80 DEG C in temperature by additive blank after dry 1~2h；By nano silica
It is mixed in flask with silane resin acceptor kh-550 1:5~1:6 in mass ratio, and nano silica quality is added into flask
15~20 times of deionized water adjusts the pH to 4.0~4.2 of material in flask with the hydrochloric acid 0 that mass fraction is 15~20%, in
Temperature is 50~80 DEG C, and after revolving speed is stirred to react 1~3h under conditions of being 250~320r/min, filtering obtains modified nano-silica
SiClx blank obtains modified Nano under conditions of being 60~80 DEG C in temperature by modified manometer silicon dioxide blank after dry 1~2h
Silica；According to parts by weight, it successively weighs: 50~60 parts of organosilicon modified crylic acid resins, 2~5 parts of dispersing agents, 5~8
Part coalescing agent, 60~70 solvents, 20~30 parts of additives and 10~15 parts of modified manometer silicon dioxides, by organic-silicon-modified third
Olefin(e) acid resin is mixed in blender in solvent, and dispersing agent is added into blender, coalescing agent, additive and modified Nano
Silica；It is 30~50 DEG C in temperature, under conditions of revolving speed is 300~350r/min, after being stirred 30~50min, obtains A
Component successively weighs according to parts by weight: 20~30 parts of isocyanates, and 20~40 parts of solvents mix isocyanates and solvent
It closes, is 30~35 DEG C in temperature, under conditions of revolving speed is 200~300r/min, after being stirred 30~35min, obtains B component,
Component A and B component are separately encapsulated to get bi-component antifouling paint.The dispersing agent be dispersing agent NNO, dispersing agent 5040 or
Any one in Dispersant MF.The coalescing agent is any one in film forming agent NP or propandiol butyl ether.The solvent is first
Any one in benzene, dimethylbenzene or benzene.The isocyanates is toluene di-isocyanate(TDI), isofoer diisocyanate or hexichol
Any one in dicyclohexylmethane diisocyanate.
Example 1
By titanium dioxide, 4.0:1.3 is mixed in grinder in molar ratio with potassium carbonate, after grinding 3h, is obtained mixed-powder, will be mixed
It closes powder to move into Muffle furnace, after being sintered 185h under conditions of being 880 DEG C in temperature, discharging obtains modified powder blank, will be modified
After powder batch mass fraction is 12% salt acid elution for 8 times, then after being washed with deionized 8 times, by the modification powder after washing
Last blank after dry 2h, obtains modified powder, modified powder is mixed with water 1:30 in mass ratio under the conditions of at a temperature of 90 °C,
Under conditions of frequency is 55kHz, after ultrasonic disperse 40min, modified powder dispersion liquid is obtained；Toluene and azodiisobutyronitrile are pressed
Mass ratio 12:1 is mixed in three-necked flask, and 0.6 times of toluene quality of mix monomer is added into three-necked flask, control mixing
It is 10mL/min that rate, which is added, in monomer, and is 90 DEG C in temperature, under conditions of revolving speed is 320r/min, after being stirred to react 6h, is obtained
Organosilicon modified crylic acid resin；The sulfuric acid 1:8 in mass ratio that montmorillonite and mass fraction are 98% is mixed in beaker, and
3 times of montmorillonite quality of hydrogen peroxide is added into beaker, is 50 DEG C in temperature, under conditions of revolving speed is 300r/min, stirring is anti-
After answering 8h, filtering obtains modified montmorillonoid blank, after modified montmorillonoid blank is washed with deionized 10 times, is then at temperature
Dry 2h, obtains modified montmorillonoid under conditions of 90 DEG C, and modified montmorillonoid is molten for 15% polyallylamine hydrochlorides with mass fraction
Modified montmorillonoid is added into the simultaneously mixture of modified montmorillonoid and polyallylamine hydrochlorides solution in liquid 1:12 in mass ratio mixing
5 times of quality of modified powder dispersion liquid, in temperature be 50 DEG C, revolving speed be 500r/min under conditions of, after being stirred 8h, mistake
Filter, obtains additive blank, under conditions of being 80 DEG C in temperature by additive blank after dry 2h, obtains additive；By nano-silica
SiClx and silane resin acceptor kh-550 1:6 in mass ratio are mixed in flask, and nano silica quality is added into flask
20 times of deionized water adjusts the pH to 4.2 of material in flask with the hydrochloric acid 0 that mass fraction is 20%, is 80 DEG C in temperature, turns
After speed is stirred to react 3h under conditions of being 320r/min, filtering obtains modified manometer silicon dioxide blank, by modified nano-silica
Under conditions of silicon blank is 80 DEG C in temperature after dry 2h, modified manometer silicon dioxide is obtained；According to parts by weight, it successively weighs:
60 parts of organosilicon modified crylic acid resins, 5 parts of dispersing agents, 8 parts of coalescing agents, 70 solvents, 30 parts of additives and 15 parts of modifications are received
Rice silica, organosilicon modified crylic acid resin is mixed in blender in solvent, and dispersing agent is added into blender,
Coalescing agent, additive and modified manometer silicon dioxide；It is 50 DEG C in temperature, under conditions of revolving speed is 350r/min, stirring is mixed
Close 50min after, obtain component A, according to parts by weight, successively weigh: 30 parts of isocyanates, 40 parts of solvents, by isocyanates with it is molten
Agent mixing is 35 DEG C in temperature, under conditions of revolving speed is 300r/min, after being stirred 35min, B component is obtained, by component A and B
Component separately encapsulates to get bi-component antifouling paint.The dispersing agent is dispersing agent NNO.The coalescing agent is film forming agent NP.
The solvent is toluene.The isocyanates is toluene di-isocyanate(TDI).
Example 2
By titanium dioxide, 4.0:1.3 is mixed in grinder in molar ratio with potassium carbonate, after grinding 3h, is obtained mixed-powder, will be mixed
It closes powder to move into Muffle furnace, after being sintered 185h under conditions of being 880 DEG C in temperature, discharging obtains modified powder blank, will be modified
After powder batch mass fraction is 12% salt acid elution for 8 times, then after being washed with deionized 8 times, by the modification powder after washing
Last blank after dry 2h, obtains modified powder, modified powder is mixed with water 1:30 in mass ratio under the conditions of at a temperature of 90 °C,
Under conditions of frequency is 55kHz, after ultrasonic disperse 40min, modified powder dispersion liquid is obtained；It is by montmorillonite and mass fraction
98% sulfuric acid 1:8 in mass ratio is mixed in beaker, and 3 times of montmorillonite quality of hydrogen peroxide is added into beaker, is in temperature
50 DEG C, under conditions of revolving speed is 300r/min, after being stirred to react 8h, filtering obtains modified montmorillonoid blank, by modified montmorillonoid base
After material is washed with deionized 10 times, dry 2h, obtains modified montmorillonoid, by modified montmorillonoid under the conditions of at a temperature of 90 °C
The polyallylamine hydrochlorides solution 1:12 in mass ratio for being 15% with mass fraction is mixed, to simultaneously modified montmorillonoid and polyallylamine
5 times of modified montmorillonoid quality of modified powder dispersion liquid is added in the mixture of HCI solution, is 50 DEG C in temperature, revolving speed is
Under conditions of 500r/min, after being stirred 8h, filtering obtains additive blank, the item for being 80 DEG C in temperature by additive blank
Under part after dry 2h, additive is obtained；Nano silica and silane resin acceptor kh-550 1:6 in mass ratio are mixed in flask
In, and 20 times of nano silica quality of deionized water is added into flask, it is adjusted and is burnt with the hydrochloric acid 0 that mass fraction is 20%
The pH to 4.2 of material in bottle is 80 DEG C in temperature, and after revolving speed is stirred to react 3h under conditions of being 320r/min, filtering obtains modification
Nanometer titanium dioxide silicon blank must be modified and receive under conditions of being 80 DEG C in temperature by modified manometer silicon dioxide blank after dry 2h
Rice silica；According to parts by weight, it successively weighs: 60 parts of acrylic resins, 5 parts of dispersing agents, 8 parts of coalescing agents, 70 solvents,
30 parts of additives and 15 parts of modified manometer silicon dioxides, acrylic resin is mixed in blender in solvent, and to blender
Middle addition dispersing agent, coalescing agent, additive and modified manometer silicon dioxide；It is 50 DEG C in temperature, revolving speed is 350r/min's
Under the conditions of, after being stirred 50min, obtain component A, according to parts by weight, successively weigh: 30 parts of isocyanates, 40 parts of solvents will
Isocyanates is mixed with solvent, is 35 DEG C in temperature, under conditions of revolving speed is 300r/min, after being stirred 35min, is obtained B group
Point, component A and B component are separately encapsulated to get bi-component antifouling paint.The dispersing agent is dispersing agent NNO.The film forming helps
Agent is film forming agent NP.The solvent is toluene.The isocyanates is toluene di-isocyanate(TDI).
Example 3
By titanium dioxide, 4.0:1.3 is mixed in grinder in molar ratio with potassium carbonate, after grinding 3h, is obtained mixed-powder, will be mixed
It closes powder to move into Muffle furnace, after being sintered 185h under conditions of being 880 DEG C in temperature, discharging obtains modified powder blank, will be modified
After powder batch mass fraction is 12% salt acid elution for 8 times, then after being washed with deionized 8 times, by the modification powder after washing
Last blank after dry 2h, obtains modified powder, modified powder is mixed with water 1:30 in mass ratio under the conditions of at a temperature of 90 °C,
Under conditions of frequency is 55kHz, after ultrasonic disperse 40min, modified powder dispersion liquid is obtained；Toluene and azodiisobutyronitrile are pressed
Mass ratio 12:1 is mixed in three-necked flask, and 0.6 times of toluene quality of mix monomer is added into three-necked flask, control mixing
It is 10mL/min that rate, which is added, in monomer, and is 90 DEG C in temperature, under conditions of revolving speed is 320r/min, after being stirred to react 6h, is obtained
Organosilicon modified crylic acid resin；Nano silica and silane resin acceptor kh-550 1:6 in mass ratio are mixed in flask,
And 20 times of nano silica quality of deionized water is added into flask, it is adjusted in flask with the hydrochloric acid 0 that mass fraction is 20%
The pH to 4.2 of material is 80 DEG C in temperature, and after revolving speed is stirred to react 3h under conditions of being 320r/min, filtering obtains modified Nano
Silica blank obtains modified Nano two under conditions of being 80 DEG C in temperature by modified manometer silicon dioxide blank after dry 2h
Silica；According to parts by weight, it successively weighs: 60 parts of organosilicon modified crylic acid resins, 5 parts of dispersing agents, 8 parts of coalescing agents,
70 solvents and 15 parts of modified manometer silicon dioxides, organosilicon modified crylic acid resin is mixed in blender in solvent, and to
Dispersing agent, coalescing agent and modified manometer silicon dioxide are added in blender；It is 50 DEG C in temperature, revolving speed is the item of 350r/min
Under part, after being stirred 50min, obtain component A, according to parts by weight, successively weigh: 30 parts of isocyanates, 40 parts of solvents will be different
Cyanate is mixed with solvent, is 35 DEG C in temperature, under conditions of revolving speed is 300r/min, after being stirred 35min, is obtained B component,
Component A and B component are separately encapsulated to get bi-component antifouling paint.The dispersing agent is dispersing agent NNO.The coalescing agent
For film forming agent NP.The solvent is toluene.The isocyanates is toluene di-isocyanate(TDI).
Example 4
By titanium dioxide, 4.0:1.3 is mixed in grinder in molar ratio with potassium carbonate, after grinding 3h, is obtained mixed-powder, will be mixed
It closes powder to move into Muffle furnace, after being sintered 185h under conditions of being 880 DEG C in temperature, discharging obtains modified powder blank, will be modified
After powder batch mass fraction is 12% salt acid elution for 8 times, then after being washed with deionized 8 times, by the modification powder after washing
Last blank after dry 2h, obtains modified powder, modified powder is mixed with water 1:30 in mass ratio under the conditions of at a temperature of 90 °C,
Under conditions of frequency is 55kHz, after ultrasonic disperse 40min, modified powder dispersion liquid is obtained；Toluene and azodiisobutyronitrile are pressed
Mass ratio 12:1 is mixed in three-necked flask, and 0.6 times of toluene quality of mix monomer is added into three-necked flask, control mixing
It is 10mL/min that rate, which is added, in monomer, and is 90 DEG C in temperature, under conditions of revolving speed is 320r/min, after being stirred to react 6h, is obtained
Organosilicon modified crylic acid resin；The sulfuric acid 1:8 in mass ratio that montmorillonite and mass fraction are 98% is mixed in beaker, and
3 times of montmorillonite quality of hydrogen peroxide is added into beaker, is 50 DEG C in temperature, under conditions of revolving speed is 300r/min, stirring is anti-
After answering 8h, filtering obtains modified montmorillonoid blank, after modified montmorillonoid blank is washed with deionized 10 times, is then at temperature
Dry 2h, obtains modified montmorillonoid under conditions of 90 DEG C, and modified montmorillonoid is molten for 15% polyallylamine hydrochlorides with mass fraction
Modified montmorillonoid is added into the simultaneously mixture of modified montmorillonoid and polyallylamine hydrochlorides solution in liquid 1:12 in mass ratio mixing
5 times of quality of modified powder dispersion liquid, in temperature be 50 DEG C, revolving speed be 500r/min under conditions of, after being stirred 8h, mistake
Filter, obtains additive blank, under conditions of being 80 DEG C in temperature by additive blank after dry 2h, obtains additive；In parts by weight
Meter, successively weighs: 60 parts of organosilicon modified crylic acid resins, 5 parts of dispersing agents, 8 parts of coalescing agents, 70 solvents, 30 parts of additives
With 15 parts of nano silicas, organosilicon modified crylic acid resin is mixed in blender in solvent, and added into blender
Enter dispersing agent, coalescing agent, additive and nano silica；It is 50 DEG C in temperature, under conditions of revolving speed is 350r/min, stirs
After mixing mixing 50min, component A is obtained, according to parts by weight, is successively weighed: 30 parts of isocyanates, 40 parts of solvents, by isocyanates
It is mixed with solvent, is 35 DEG C in temperature, under conditions of revolving speed is 300r/min, after being stirred 35min, B component is obtained, by A group
Divide and B component separately encapsulates to get bi-component antifouling paint.The dispersing agent is dispersing agent NNO.The coalescing agent is film forming
Agent NP.The solvent is toluene.The isocyanates is toluene di-isocyanate(TDI).
Comparative example: the antifouling paint of Tianjin material Science and Technology Ltd. production.
1 to 4 gained antifouling paint of example and comparative example product are subjected to performance detection, the specific detection method is as follows:
It detects film coated surface barnacle young adhesive rate and the inhibiting rate to diatom attachment, specific testing result is as shown in table 1:
Table 1: performance detection table
| Detection content | Example 1 | Example 2 | Example 3 | Example 4 | Comparative example |
| Barnacle young adhesive rate/% | 5 | 28 | 30 | 25 | 55 |
| Inhibiting rate/% of diatom attachment | 79.7 | 71.1 | 70.7 | 67.5 | 60.1 |
By 1 testing result of table it is found that present invention gained bi-component antifouling paint has excellent anti-pollution.
Claims (7)
1. a kind of bi-component antifouling paint, is mixed by component A and B component, which is characterized in that the component A be by with
The raw material of lower parts by weight forms: 50~60 parts of organosilicon modified crylic acid resins, 2~5 parts of dispersing agents, 5~8 parts of film forming help
Agent, 60~70 solvents, 20~30 parts of additives, 10~15 parts of modified manometer silicon dioxides；The B component is by following parts by weight
Several raw material composition: 20~30 parts of isocyanates, 20~40 parts of solvents；
The additive the preparation method comprises the following steps:
Montmorillonite is mixed with concentrated sulfuric acid 1:7~1:8 in mass ratio, and 2~3 times of montmorillonite quality of hydrogen peroxide is added, is stirred
It after reaction, filters, washs, it is dry, modified montmorillonoid is obtained, by modified montmorillonoid and polyallylamine hydrochlorides solution in mass ratio 1:
10~1:12 mixing, and 3~5 times of modified montmorillonoid quality of modified powder dispersion liquid is added, after being stirred, filter, it is dry,
Obtain additive；
The modified manometer silicon dioxide the preparation method comprises the following steps:
Nano silica is mixed with silane resin acceptor kh-550 1:5~1:6 in mass ratio, and it is siliceous that nanometer titanium dioxide is added
The deionized water of 15~20 times of amount adjusts pH to 4.0~4.2, after being stirred to react, filters, dry, obtains modified nano-silica
Silicon.
2. a kind of bi-component antifouling paint according to claim 1, it is characterised in that: the organosilicon-modified acrylic tree
Rouge is to mix toluene with azodiisobutyronitrile 10:1~12:1 in mass ratio, and 0.5~0.6 times of toluene quality of mixing is added
Monomer after being stirred to react, obtains organosilicon modified crylic acid resin；The mix monomer is by methylchlorosilane and methacrylic acid
Methyl esters 3:1 in mass ratio mixing, and 0.6~0.8 times of methylchlorosilane quality of n-butyl acrylate, methylchlorosilane is added
0.3~0.6 times of hydroxy-ethyl acrylate and 0.2~0.5 times of methylchlorosilane quality of isobornyl methacrylate, stirring are mixed
It closes, obtains mix monomer.
3. a kind of bi-component antifouling paint according to claim 1, it is characterised in that: the dispersing agent is dispersing agent NNO,
Any one in dispersing agent 5040 or Dispersant MF.
4. a kind of bi-component antifouling paint according to claim 1, it is characterised in that: the coalescing agent is film forming agent NP
Or any one in propandiol butyl ether.
5. a kind of bi-component antifouling paint according to claim 1, it is characterised in that: the solvent is toluene, dimethylbenzene
Or any one in benzene.
6. a kind of bi-component antifouling paint according to claim 1, it is characterised in that: the isocyanates is that toluene two is different
Any one in cyanate, isofoer diisocyanate or methyl diphenylene diisocyanate.
7. a kind of bi-component antifouling paint according to claim 1, it is characterised in that: the modified powder dispersion liquid is will
4.0:1.2~4.0:1.3 mixed grinding, sintering are washed in molar ratio for titanium dioxide and potassium carbonate, dry, obtain modified powder, will
Modified powder is mixed with water 1:20~1:30 in mass ratio, ultrasonic disperse, obtains modified powder dispersion liquid.
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| CN110204980A (en) * | 2019-05-30 | 2019-09-06 | 梁荣付 | A kind of sound insulation type imitation stone lacquer |
| CN110591535A (en) * | 2019-10-22 | 2019-12-20 | 何冬梅 | Antifouling waterborne polyurethane coating for ships |
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