CN107099246A - A kind of barrier coat with heavy metal chelating function and combinations thereof and application - Google Patents
A kind of barrier coat with heavy metal chelating function and combinations thereof and application Download PDFInfo
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- CN107099246A CN107099246A CN201710225505.1A CN201710225505A CN107099246A CN 107099246 A CN107099246 A CN 107099246A CN 201710225505 A CN201710225505 A CN 201710225505A CN 107099246 A CN107099246 A CN 107099246A
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
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- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/14—Polycondensates modified by chemical after-treatment
- C08G59/1433—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
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- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/14—Polycondensates modified by chemical after-treatment
- C08G59/1433—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
- C08G59/1438—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing oxygen
- C08G59/1444—Monoalcohols
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- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/14—Polycondensates modified by chemical after-treatment
- C08G59/1433—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
- C08G59/1438—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing oxygen
- C08G59/1455—Monocarboxylic acids, anhydrides, halides, or low-molecular-weight esters thereof
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- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/14—Polycondensates modified by chemical after-treatment
- C08G59/1433—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
- C08G59/1477—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing nitrogen
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- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/14—Polycondensates modified by chemical after-treatment
- C08G59/1433—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
- C08G59/1483—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing sulfur
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- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
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- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C08L2205/00—Polymer mixtures characterised by other features
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Abstract
The invention belongs to technical field of environmental management, a kind of barrier coat with heavy metal chelating function and combinations thereof and application are disclosed.Barrier coat has multiple heavy metal binding sites, has that heavy metal chelating function, attachment function, hydrophobic function and film forming function etc. are multi-functional to be integrated concurrently.Micro-nano granules in coating composition wind together with macromolecule filming thing, are chemically bonded, and form a stable hydrophobic barrier polymeric membrane, therefore its consumption is few, cost is low, heavy metal stabilization effect high-efficient and lasting.
Description
Technical field
The invention belongs to technical field of environmental management, more particularly to a kind of barrier coat with heavy metal chelating function and
Its composition and application.
Background technology
The Heavy Metal Accumulation high concentration heavy metal area in danger wastes landfill yard, industrial residue stockyard etc., antiseepage film is special
Unimportant, when particularly level of ground water is higher than disposal site, underground water flows into landfill yard along hole infiltration, on the one hand increases dirty
Water process amount and operating cost, on the other hand, are harmful to the dissolution again of percolate, particularly heavy metal ion, cause underground water dirty
Dye.Therefore, in danger waste guaveyard, the place such as industrial residue stockyard, bottom, side even above etc. all peripheries lay
Antiseepage film, prevents harmful leachate leaking.
Existing antiseepage film uses geomembrane and replaced, and this kind of film uses the individual layer or two-layer barrier film of high density polyethylene (HDPE)
Technology, fragility is big, in construction and during use, crack is produced because of induced stress, particularly in jacking force of the underground water to film
During more than hydraulic pressure on film, antiseepage film will swell, rupture and lose antiseepage function.Stabilisation in worse thing, landfill yard
Heavy metal corrodes in rainwater for a long time, in scour process again dissolution and migrate into underground water, cause underground water heavy metal pollution
Serious disastrous effect.
To overcome existing antiseepage film-strength defect and preventing the noxious pollutants such as the heavy metal underground that dissolution is led to again
The secondary disasters such as water pollution occur, the barrier coat of heavy metal chelating function of the invention, strengthen existing geomembrane machinery used
While intensity, its heavy metal chelating function is assigned, the secondary pollution problem for preventing leaching ability of heavy metal from triggering.
The content of the invention
The problem of existing for prior art, the present invention provide a kind of barrier coat with heavy metal chelating function and its
Composition and application.
The present invention is achieved in that a kind of barrier coat with heavy metal chelating function, described to have heavy metal chela
Close function barrier coat structure be：
Wherein, x, y, z, g are 10-500 integer；
Main chain is dual or multi epoxy radicals material, is epoxy resin, poly (glycidyl methacrylate), the shrink of ethylene glycol two
Glycerin ether, hexanediol diglycidyl ether, butanediol diglycidyl ether, Polyethylene Glycol Bisglycidyl Ether, tetrahydrochysene O-phthalic
At least one of sour 2-glycidyl ester, cyclohexanediol glycidol ether, trihydroxymethylpropanyltri diglycidyl ether；
Rn is polyether modified siloxane chain, and Rf is more than C6 chain alkyls, and Rm is polyamines chain.
Further, the Rn for can with epoxy ring-opening react siloxanes, preferably amino silicone, hydrosiloxane,
At least one of hydrogen-containing siloxane, carboxyl siloxanes, sulfydryl siloxanes.
Further, the RfFor the long-chain alkyl derivative of active hydroxyl, amido, carboxyl or mercapto, preferably oneself
Base hydroxyl alcohol, hexyl mercaptans, hexyl amine, hexyl carboxylic acid, dodecyl hydroxyl alcohol, lauryl mercaptan, lauryl amine, 12
Alkyl carboxylic acid, certain herbaceous plants with big flowers base hydroxyl alcohol, certain herbaceous plants with big flowers base mercaptan, certain herbaceous plants with big flowers yl carboxylic acid, certain herbaceous plants with big flowers base amine, octyl group hydroxyl alcohol, octyl mercaptan, octyl amine, octyl group
Carboxylic acid, heptyl hydroxyl alcohol, heptyl mercaptan, heptyl amine, heptyl carboxylic acid, cetyl hydroxy alcohol, hexadecyl mercaptan, cetyl
In carboxylic acid, myristyl hydroxyl alcohol, tetradecyl mercaptan, at least one of myristyl carboxylic acid.
Further, the RmFor many amine structures of open loop, preferably ethylenediamine, hexamethylene diamine, divinyl can occur with epoxide ring
One or more compositions in triamine, triethylene tetramine, TEPA, polyethylene polyamine.
Another object of the present invention is to provide a kind of preparation side of the barrier coat with heavy metal chelating function
Method, the preparation method of the barrier coat with heavy metal chelating function comprises the following steps：
Step one, by active radical siloxane, long-chain alkyl derivative and polyamines structural compounds with polyepoxy master
The epoxide ring of chain molecule or polyepoxy polymer carries out ring-opening reaction；
Step 2, by the polyether modified siloxane chain Rn, chain alkyl RfWith many amine structure RmIt is incorporated into macromolecular chain
In, polyepoxy main chain：Polyether modified siloxane chain Rn：Chain alkyl Rf：Polyamines chain RmMol ratio be 5~50：1~10：
1~10：1~10.
Another object of the present invention is to provide a kind of group based on the barrier coat with heavy metal chelating function
Impervious barrier is coordinated and made by compound, the composition together with micro-nano granules, vinyl silicone oil, containing hydrogen silicone oil and catalyst
With composition barrier coat composition；Its mol ratio is 5~50：10~100：5~50：5~50：0.1~10：0.5~5：
0.5~5.
Another object of the present invention is to provide a kind of preparation method of the composition, the preparation method of the composition
Including：By impervious barrier, vinyl silicone oil, organic siliconresin, the micro-nano filler of absorption carrier, containing hydrogen silicone oil, reaction suppressor：Instead
Catalyst is answered to be well mixed, its mol ratio is 5~50：10~100：5~50：5~50：0.1~10：0.5~5：0.5~5.
Further, containing hydrogen silicone oil, comprising high hydrogen content and low hydrogen content containing hydrogen silicone oil, with following architectural feature：
The vinyl silicone oil, including high viscosity vinyl silicone oil and low viscosity vinyl silicone oil, it is special with following structure
Levy：
The micro-nano filler of absorption carrier is in diatomite, bentonite, sepiolite, vermiculite, with heavy metal chelating work(
Can chopped fiber, zinc oxide, iron oxide, at least one of silica gel；
The organic siliconresin is methyl silicon resin, phenyl polysiloxane, phenyl methyl silicones, hydrogeneous MQ silicones, first
One or more of base MQ types silicones, ethylene methacrylic fundamental mode MQ silicones；
The catalyst is one or more of chloroplatinic acid, gold chloride, Karst catalyst, platinum carbon catalyst；
The reaction suppressor can be one kind in maleic acid esters, alkynol class or divinyl base class.
Another object of the present invention is to provide a kind of barrier coat, chemical combination with heavy metal chelating function described in
And combinations thereof basement membrane.
Another object of the present invention is to provide a kind of barrier coat, chemical combination with heavy metal chelating function described in
And combinations thereof antiseepage film.
Advantages of the present invention and good effect are：Impervious barrier consumption is few, cost is low, the design through molecular structure aspect, prevents
Infiltration layer has that heavy metal chelating function, attachment function, hydrophobic function and film forming function etc. are multi-functional to be integrated concurrently, with a multiple huge sum of moneys
Belong to binding site, the inorganic agent of same amount can chelate more heavy metal ion.Heavy metal stabilization effect high-efficient and lasting,
A hydrophobic layer is formed on the stabilized heavy metal ion surface of impervious barrier, the hydrophobic barrier prevents the heavy metals such as acid rain again
Dissolution；Water dissolving is met when heavy metal to ooze out, and is immediately come into contact with and is covered the stabilizer for wrapping up in surface and adsorbed, chelate by it and form steady
The extremely low complexing formula precipitation of fixed, harmless, solubility.Micro-nano granules in coating composition are twined together with macromolecule filming thing
Around, chemical bonding, stable component is fused in coating, the Mechanics of Machinery intensity of antiseepage film is added.
Brief description of the drawings
Fig. 1 is the preparation method flow chart of the barrier coat provided in an embodiment of the present invention with heavy metal chelating function.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The application principle of the present invention is explained in detail below in conjunction with the accompanying drawings.
Barrier coat provided in an embodiment of the present invention with heavy metal chelating function has macromolecule filming function, a huge sum of money concurrently
Belong to chelating function, hydrophobic function and attachment function.Specifically, a kind of barrier coat with heavy metal chelating function has such as
Lower architectural feature：
Wherein, x, y, z, g are 10-500 integer；
Main chain is dual or multi epoxy radicals material, can be epoxy resin, poly (glycidyl methacrylate), second specifically
Hexanediol diglycidyl ether, hexanediol diglycidyl ether, butanediol diglycidyl ether, Polyethylene Glycol Bisglycidyl Ether, four
In hydrogen o-phthalic acid diglycidyl ester, cyclohexanediol glycidol ether, trihydroxymethylpropanyltri diglycidyl ether at least
It is a kind of.
Rn is polyether modified siloxane chain, and Rf is more than C6 chain alkyls, and Rm is polyamines chain.
Wherein, the Rn is the siloxanes that can be reacted with epoxy ring-opening, and specifically, it is preferable to amino silicone, hydroxyl silicon
At least one of oxygen alkane, hydrogen-containing siloxane, carboxyl siloxanes, sulfydryl siloxanes.
Wherein, the RfFor that can occur ring-opening reaction, active hydroxyl, amido, carboxyl or mercapto with epoxy radicals
Long-chain alkyl derivative, and specifically, it is preferable to hexyl hydroxyl alcohol, hexyl mercaptans, hexyl amine, hexyl carboxylic acid, dodecyl hydroxyl
Alcohol, lauryl mercaptan, lauryl amine, dodecyl carboxylic acid, certain herbaceous plants with big flowers base hydroxyl alcohol, certain herbaceous plants with big flowers base mercaptan, certain herbaceous plants with big flowers yl carboxylic acid, certain herbaceous plants with big flowers base amine,
Octyl group hydroxyl alcohol, octyl mercaptan, octyl amine, octyl group carboxylic acid, heptyl hydroxyl alcohol, heptyl mercaptan, heptyl amine, heptyl carboxylic acid, 16
In alkyl hydroxy alcohol, hexadecyl mercaptan, cetyl carboxylic acid, myristyl hydroxyl alcohol, tetradecyl mercaptan, myristyl carboxylic
At least one of acid.
Wherein, the RmFor many amine structures of open loop can occur with epoxide ring, and specifically, it is preferable to ethylenediamine, hexamethylene diamine, two
One or more compositions in ethene triamine, triethylene tetramine, TEPA, polyethylene polyamine etc..
As shown in figure 1, the preparation method bag of the barrier coat provided in an embodiment of the present invention with heavy metal chelating function
Include following steps：
S101：By active radical siloxane, long-chain alkyl derivative and polyamines structural compounds with polyepoxy main chain
The epoxide ring of molecule or polyepoxy polymer carries out ring-opening reaction；
S102：By the polyether modified siloxane chain Rn, chain alkyl RfWith many amine structure RmIt is incorporated into macromolecular chain,
Polyepoxy main chain：Polyether modified siloxane chain Rn：Chain alkyl Rf：Polyamines chain RmMatch as 5~50：1~10：1~10：1~
10。
Present invention also offers the composition of the barrier coat with heavy metal chelating function, by above-mentioned impervious barrier and micro-nano
Rice grain, vinyl silicone oil, containing hydrogen silicone oil and catalyst are used cooperatively together, constitute barrier coat composition.
The preparation method of barrier coat composition：By impervious barrier, vinyl silicone oil, organic siliconresin, absorption carrier micro-nano
Rice filler, containing hydrogen silicone oil, reaction suppressor：Catalysts are well mixed, and its mol ratio is 5~50：10~100：5~
50：5~50：0.1~10：0.5~5：0.5~5.
The containing hydrogen silicone oil, comprising high hydrogen content and low hydrogen content containing hydrogen silicone oil, with following architectural feature：
The vinyl silicone oil, including high viscosity vinyl silicone oil and low viscosity vinyl silicone oil, it is special with following structure
Levy：
The micro-nano filler of absorption carrier is in diatomite, bentonite, sepiolite, vermiculite, with heavy metal chelating work(
Can chopped fiber, zinc oxide, iron oxide, at least one of silica gel.
The organic siliconresin is methyl silicon resin, phenyl polysiloxane, phenyl methyl silicones, hydrogeneous MQ silicones, first
One or more of base MQ types silicones, ethylene methacrylic fundamental mode MQ silicones.
The catalyst is one or more of chloroplatinic acid, gold chloride, Karst catalyst, platinum carbon catalyst.
The reaction suppressor can be one kind in maleic acid esters, alkynol class or divinyl base class.
The barrier coat, composition application, are comprised the following steps：
(1) basement membrane is activated：Basement membrane is soaked in Piranha solution (hydroperoxy acids by high-energy irradiation or by basement membrane
Property liquid) in activate.
(2) barrier coat composition is coated under activation membrane surface, 80-120 DEG C of temperature conditionss by roller applications
Drying, obtains the antiseepage film with heavy metal adsorption function.
The basement membrane is existing general antiseepage film, and internal layer can be PP, PE and HDPE.
The application principle of the present invention is further described with reference to specific embodiment.
Embodiment 1
Barrier coat provided in an embodiment of the present invention with heavy metal chelating function has following architectural feature：
Wherein, x, y, z, g are 10-500 integer；
RnFor amino silicone；
RfFor hexyl hydroxyl alcohol；
RmFor ethylenediamine；
Barrier coat preparation method of the embodiment of the present invention is：By double A epoxy resin 828, amino silicone, hexyl hydroxyl
Alcohol, ethylenediamine, by mol ratio 50：10:10:10, it is uniformly mixed, as the impervious barrier with heavy metal chelating function.
Barrier coat preparation method of composition of the embodiment of the present invention is：By barrier coat, vinyl silicone oil, methyl silicon tree
Fat, diatomite, containing hydrogen silicone oil, reaction suppressor：Chloroplatinic acid, is 5 by mol ratio：10：5：10：0.5：0.5：0.5 mixing, grinds
Mill is uniform, produces barrier coat composition.
The application of barrier coat of the embodiment of the present invention and composition：
Barrier coat obtained by the present embodiment and composition are coated on the common antiseepage film through deoiling, activating pretreatment
Layer inner surface, 80 DEG C of drying, that is, prepare the antiseepage film with heavy metal chelating function, the film can operate with danger wastes
The high-risk environment of the heavy metal accumulations such as landfill yard, slag stockyard.
Embodiment 2
Barrier coat provided in an embodiment of the present invention with heavy metal chelating function has following architectural feature：
Wherein, x, y, z, g are 10-500 integer；
RnFor hydrosiloxane；
RfFor dodecyl hydroxyl alcohol；
RmFor diethylenetriamine；
Barrier coat preparation method of the embodiment of the present invention is：Trihydroxymethylpropanyltri diglycidyl ether, hydrosiloxane, ten
Dialkyl group hydroxyl alcohol, diethylenetriamine, by mol ratio 5：2:3:1 mixing, stirs, produces barrier coat composition..
Barrier coat preparation method of composition of the embodiment of the present invention is：By barrier coat, vinyl silicone oil, phenyl silicon tree
Fat, sepiolite, containing hydrogen silicone oil, reaction suppressor, Karst catalyst are 50 by mol ratio：30：10：10：5：1：1 mixing,
Grinding is uniform, produces barrier coat composition.
The application of barrier coat of the embodiment of the present invention and composition：
Barrier coat obtained by the present embodiment and composition are coated on the common antiseepage film through deoiling, activating pretreatment
Layer inner surface, 100 DEG C of drying, that is, prepare the antiseepage film with heavy metal chelating function, the film can operate with dangerous waste
The high-risk environment of the heavy metal accumulations such as thing landfill yard, slag stockyard.
Embodiment 3
Barrier coat provided in an embodiment of the present invention with heavy metal chelating function has following architectural feature：
Wherein, x, y, z, g are 10-500 integer；
RnFor hydrogen-containing siloxane；
RfFor carboxylic acid containing dodecyl；
RmFor polyethylene polyamine；
Barrier coat preparation method of the embodiment of the present invention is：By poly (glycidyl methacrylate), hydrogen-containing siloxane, ten
Dialkyl carboxylic acid, polyethylene polyamine, by mol ratio 10：5:5:5, it is uniformly mixed, as with heavy metal chelating function
Impervious barrier.
Barrier coat preparation method of composition of the embodiment of the present invention is：By barrier coat, vinyl silicone oil, phenyl methyl silicon
Resin, zinc oxide, containing hydrogen silicone oil, reaction suppressor, platinum carbon catalyst are 30 by mol ratio：20：20：10：5：0.5：0.5
Mixing, grinding is uniform, produces barrier coat composition.
The application of barrier coat of the embodiment of the present invention and composition：
Barrier coat obtained by the present embodiment and composition are coated on the common antiseepage film through deoiling, activating pretreatment
Layer inner surface, 110 DEG C of drying, that is, prepare the antiseepage film with heavy metal chelating function, the film can operate with dangerous waste
The high-risk environment of the heavy metal accumulations such as thing landfill yard, slag stockyard.
Embodiment 4
Barrier coat provided in an embodiment of the present invention with heavy metal chelating function has following architectural feature：
Wherein, x, y, z, g are 10-500 integer；
RnFor carboxyl siloxanes；
RfFor heptyl amine；
RmFor hexamethylene diamine；
Barrier coat preparation method of the embodiment of the present invention is：Butanediol diglycidyl ether, carboxyl siloxanes, hexamethylene diamine,
By mol ratio 20：2:1:3, it is uniformly mixed, as the impervious barrier with heavy metal chelating function.
Barrier coat preparation method of composition of the embodiment of the present invention is：By barrier coat, vinyl silicone oil, hydrogeneous MQ silicon tree
Fat, iron oxide, containing hydrogen silicone oil, reaction suppressor：Gold chloride, is 40 by mol ratio：30：30：20：5：1：1 mixing, grinding is equal
It is even, produce barrier coat composition.
The application of barrier coat of the embodiment of the present invention and composition：
Barrier coat obtained by the present embodiment and composition are coated on the common antiseepage film through deoiling, activating pretreatment
Layer inner surface, 120 DEG C of drying, that is, prepare the antiseepage film with heavy metal chelating function, the film can operate with dangerous waste
The high-risk environment of the heavy metal accumulations such as thing landfill yard, slag stockyard.
Embodiment 5
Barrier coat provided in an embodiment of the present invention with heavy metal chelating function has following architectural feature：
Wherein, x, y, z, g are 10-500 integer；
RnFor sulfydryl siloxanes；
RfFor cetyl carboxylic acid；
RmFor TEPA；
By tetrahydrophthalic acid 2-glycidyl ester (epoxy 711), mercapto siloxanes, cetyl carboxylic acid, four ethene five
Amine, by mol ratio 40：5:10:5, it is uniformly mixed, as the impervious barrier with heavy metal chelating function.
Barrier coat preparation method of composition of the embodiment of the present invention is：By barrier coat, vinyl silicone oil, methyl ethylene
Type MQ silicones, silica gel, containing hydrogen silicone oil, reaction suppressor：Gold chloride, by mol ratio 50：100：50：50：10：5：5 mixing,
Grinding is uniform, produces barrier coat composition.
The application of barrier coat of the embodiment of the present invention and composition：
Barrier coat obtained by the present embodiment and composition are coated on the common antiseepage film through deoiling, activating pretreatment
Layer inner surface, 90 DEG C of drying, that is, prepare the antiseepage film with heavy metal chelating function, the film can operate with danger wastes
The high-risk environment of the heavy metal accumulations such as landfill yard, slag stockyard.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of barrier coat with heavy metal chelating function, it is characterised in that described anti-with heavy metal chelating function
Impregnation coating structure is：
Wherein, x, y, z, g are 10-500 integer；
Main chain is dual or multi epoxy radicals material, is epoxy resin, poly (glycidyl methacrylate), ethylene glycol diglycidyl
Ether, hexanediol diglycidyl ether, butanediol diglycidyl ether, Polyethylene Glycol Bisglycidyl Ether, tetrahydrophthalic acid two
At least one of ethylene oxidic ester, cyclohexanediol glycidol ether, trihydroxymethylpropanyltri diglycidyl ether；
Rn is polyether modified siloxane chain, and Rf is more than C6 chain alkyls, and Rm is polyamines chain.
2. there is the barrier coat of heavy metal chelating function as claimed in claim 1, it is characterised in that the Rn is energy and ring
The siloxanes of epoxide ring-opening reaction, preferably amino silicone, hydrosiloxane, hydrogen-containing siloxane, carboxyl siloxanes, sulfydryl silica
At least one of alkane.
3. there is the barrier coat of heavy metal chelating function as claimed in claim 1, it is characterised in that the RfFor with work
Property hydroxyl, amido, the preferably long-chain alkyl derivative of carboxyl or mercapto, hexyl hydroxyl alcohol, hexyl mercaptans, hexyl amine, hexyl
Carboxylic acid, dodecyl hydroxyl alcohol, lauryl mercaptan, lauryl amine, dodecyl carboxylic acid, certain herbaceous plants with big flowers base hydroxyl alcohol, certain herbaceous plants with big flowers base mercaptan,
Certain herbaceous plants with big flowers yl carboxylic acid, certain herbaceous plants with big flowers base amine, octyl group hydroxyl alcohol, octyl mercaptan, octyl amine, octyl group carboxylic acid, heptyl hydroxyl alcohol, heptyl mercaptan, heptyl
Amine, heptyl carboxylic acid, cetyl hydroxy alcohol, hexadecyl mercaptan, cetyl carboxylic acid, myristyl hydroxyl alcohol, myristyl
In mercaptan, at least one of myristyl carboxylic acid.
4. as claimed in claim 1 have heavy metal chelating function barrier coat, it is characterised in that it is described wherein, the Rm
For many amine structures of open loop, preferably ethylenediamine, hexamethylene diamine, diethylenetriamine, triethylene tetramine, four ethene can occur with epoxide ring
One or more compositions in five amine, polyethylene polyamine.
5. a kind of preparation method of the barrier coat with heavy metal chelating function as claimed in claim 1, it is characterised in that institute
The preparation method for stating the barrier coat with heavy metal chelating function comprises the following steps：
Step one, divided by active radical siloxane, long-chain alkyl derivative and polyamines structural compounds with polyepoxy main chain
The epoxide ring of son or polyepoxy polymer carries out ring-opening reaction；
Step 2, by the polyether modified siloxane chain Rn, chain alkyl RfWith many amine structure RmIt is incorporated into macromolecular chain, it is many
Epoxy radicals main chain：Polyether modified siloxane chain Rn：Chain alkyl Rf：Polyamines chain RmMatch as 5~50：1~10：1~10：1~
10。
6. a kind of composition based on the barrier coat with heavy metal chelating function described in claim 1, it is characterised in that institute
State composition to use cooperatively impervious barrier together with micro-nano granules, vinyl silicone oil, containing hydrogen silicone oil and catalyst, constitute anti-
Impregnation coating composition；Match as 5~50：10~100：5~50：5~50：0.1~10：0.5~5：0.5~5.
7. a kind of preparation method of composition as claimed in claim 6, it is characterised in that the preparation method bag of the composition
Include：By impervious barrier, vinyl silicone oil, organic siliconresin, the micro-nano filler of absorption carrier, containing hydrogen silicone oil, reaction suppressor and anti-
Catalyst is answered to be well mixed, it is 5~50 that it, which is matched,：10~100：5~50：5~50：0.1~10：0.5~5：0.5~5.
8. the preparation method of composition as claimed in claim 7, it is characterised in that containing hydrogen silicone oil, comprising high hydrogen content and low
Hydrogen content containing hydrogen silicone oil, with following architectural feature：
The vinyl silicone oil, including high viscosity vinyl silicone oil and low viscosity vinyl silicone oil, with following architectural feature：
The micro-nano filler of absorption carrier is short with heavy metal chelating function in diatomite, bentonite, sepiolite, vermiculite
At least one of fiber, zinc oxide, iron oxide, silica gel；
The organic siliconresin is methyl silicon resin, phenyl polysiloxane, phenyl methyl silicones, hydrogeneous MQ silicones, methyl MQ
One or more of type silicones, ethylene methacrylic fundamental mode MQ silicones；
The catalyst is one or more of chloroplatinic acid, gold chloride, Karst catalyst, platinum carbon catalyst；
The reaction suppressor can be one kind in maleic acid esters, alkynol class or divinyl base class.
9. the base of the barrier coat with heavy metal chelating function, chemical combination and combinations thereof described in a kind of utilization claim 1 or 6
Film.
10. the barrier coat with heavy metal chelating function, chemical combination and combinations thereof described in a kind of utilization claim 1 or 6
Antiseepage film.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710225505.1A CN107099246A (en) | 2017-04-07 | 2017-04-07 | A kind of barrier coat with heavy metal chelating function and combinations thereof and application |
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| CN201710225505.1A CN107099246A (en) | 2017-04-07 | 2017-04-07 | A kind of barrier coat with heavy metal chelating function and combinations thereof and application |
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| CN107099246A true CN107099246A (en) | 2017-08-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111154400A (en) * | 2020-01-07 | 2020-05-15 | 重庆大学 | Anti-seepage coating with heavy metal chelating function and composition and application thereof |
| CN111662023A (en) * | 2020-06-09 | 2020-09-15 | 浙江红狮环保股份有限公司 | Method for curing fly ash by co-processing of cement kiln |
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| CN106167689A (en) * | 2016-07-20 | 2016-11-30 | 陈刚才 | A kind of incineration firing flying dust bituminous concrete binding material and bituminous concrete |
| CN106479359A (en) * | 2016-09-28 | 2017-03-08 | 惠州市道科包装材料有限公司 | A kind of organosilicon super hydrophobic coating and its preparation method and application |
| CN106519111A (en) * | 2016-09-22 | 2017-03-22 | 东莞市标塑新材料有限公司 | Antibacterial fingerprint resistant polymer microsphere, preparation method and applications thereof, antibacterial fingerprint resistant coating, and preparation method and applications thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106167689A (en) * | 2016-07-20 | 2016-11-30 | 陈刚才 | A kind of incineration firing flying dust bituminous concrete binding material and bituminous concrete |
| CN106519111A (en) * | 2016-09-22 | 2017-03-22 | 东莞市标塑新材料有限公司 | Antibacterial fingerprint resistant polymer microsphere, preparation method and applications thereof, antibacterial fingerprint resistant coating, and preparation method and applications thereof |
| CN106479359A (en) * | 2016-09-28 | 2017-03-08 | 惠州市道科包装材料有限公司 | A kind of organosilicon super hydrophobic coating and its preparation method and application |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111154400A (en) * | 2020-01-07 | 2020-05-15 | 重庆大学 | Anti-seepage coating with heavy metal chelating function and composition and application thereof |
| CN111662023A (en) * | 2020-06-09 | 2020-09-15 | 浙江红狮环保股份有限公司 | Method for curing fly ash by co-processing of cement kiln |
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