CN110358373A - A kind of bacteria mildew-proof interiro wall latex paint - Google Patents
A kind of bacteria mildew-proof interiro wall latex paint Download PDFInfo
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- CN110358373A CN110358373A CN201910505886.8A CN201910505886A CN110358373A CN 110358373 A CN110358373 A CN 110358373A CN 201910505886 A CN201910505886 A CN 201910505886A CN 110358373 A CN110358373 A CN 110358373A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation 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
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- C08G18/36—Hydroxylated esters of higher fatty acids
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- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/6696—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/36 or hydroxylated esters of higher fatty acids of C08G18/38
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- 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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- C09D105/00—Coating compositions based on polysaccharides or on their derivatives, not provided for in groups C09D101/00 or C09D103/00
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- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
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- C09D129/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
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- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
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Abstract
The invention discloses a kind of bacteria mildew-proof interiro wall latex paints, belong to building coating field.The present invention with after flyash mixing acidleach, filters diatomite, so that SiO2、TiO2Etc. oxide carried in diatomite, TiO2It is acted on positively charged chitosan, chitosan is mixed with layer structure pretreatment diatomite, and swelling behavior and mechanical property that can effectively inside it can have good coordination, after combining, can further increase bacteria mildew-proof performance with chitosan；The present invention is with the raw materials polyaminoester emulsion such as propylene glycol polyethers, isophorone diisocyanate, being modified for oil plant is added, it introduces long-chain fat segment and assigns its good hydrophobicity, so that water preventing ability can be promoted, its own, which also has, simultaneously antibiotic property, cooperate cinnamomum camphora essential oil and Lavender to improve fungistatic effect, reach waterproof, antibacterial action, improves anti-mold effect.The present invention solves the problems, such as to commonly use interiro wall latex paint fungus-resistant at present ineffective.
Description
Technical field
The invention belongs to building coating fields, and in particular to a kind of bacteria mildew-proof interiro wall latex paint.
Background technique
The maximum building coating kind of dosage is the interiro wall latex paint of high pigment volume concentration (PVC), cheap and have suitable
When decoration functions are widely applied.For its performance, this kind of emulsion paint has preferable covering power, washability appropriate
Property, largely it is able to satisfy GB/T9756-2001 " resin latex dope " and GB18582-2001 " indoor hardware fitting
Limits of harmful substances in interior wall coating " requirement.But the shortcoming of this kind of coating: first is that the rheological characteristic of coating is poor, levelling
Property is bad, and the decorative effect and feel of film are bad；Second is that as defined in some performances (washability and contrast ratio etc.) are near the mark
It is unstable with the performance of critical point actually required, coating；Third is that having deficient reasonability for the design principle of formula.First
A problem is it is clear that it is thought that the difference of domestic synthetic resin emulsion coatings and import essentially consists in rheological property, i.e.,
Decorative effect is not so good as imported product；Second Problem is that the lotion dosage in coating is very low, in the formulation design abrasion resistance
Surplus capacity compared with standard is very little, when constructing dilution, adds water is slightly some more may make film xerotripsis shedding, and applying
After material carries out 2 normal constructions, covering power is not able to satisfy actual requirement；The reason of third problem, is, due in coating
Base-material and titanium dioxide class amount of pigment are few, thus auxiliary agent cost it is shared in coating overall cost ratio it is too high, some is even
Up to 35% ~ 40%, become the various highest materials of component cost in coating.Since the function of auxiliary agent in coating only improves coating
Performance, can not fundamentally improve the main performance and class of coating, thus cost ratio is too high and has formulation for coating material
Owe reasonability.
Emulsion paint is water-dispersible paint, it is using synthetic resin emulsion as base-material, and filler is added after grinding distribution
The various refined coating of auxiliary agent.Emulsion paint has many merits different from traditional metope coating, is such as easy to brush, is dry
It is dry rapidly, paint film is water-fast, scrub resistance is good etc..It is traditionally base-material synthetic resin emulsion, using water as decentralized medium, face is added
Material, filler (also known as extender pigment) and auxiliary agent, through coating made of certain technical process.
The quality of indoor environmental quality is particularly important to health, and the environment of especially public place is concerned, as
The movements of population such as hospital, school, hotel and intensive place in regular multicell it is necessary to carry out disinfection, reduction bacteria breed, from
And guarantee that the air of people is that health is pure and fresh.As pursuit of the people to healthy clean ecology living environment is more and more stronger
It is strong, the product of antibacterial functions is also increasingly paid attention to.Antibiotic emulsion paint, which removes, has plentiful, water-fast, the resistance to mould, weatherability of coating exquisiteness
Outside, also there are antibacterial functions, its appearances has pushed the development of building coating, to common microbiological, staphylococcus aureus, greatly
Enterobacteria, Candida albicans and saccharomycete, mould etc. have killing and inhibiting effect.Select antibiotic emulsion paint can be to a certain degree
On better people's living environment.
Currently, common sterilization emulsion paint mostly uses greatly the method for adding organic bactericide in emulsion paint.General sterilization
Toxic, dangerous, the easy dissolution of agent, durability are poor, in addition cannot bear thousands of time to scrub and sterilize repeatedly, it is difficult to reach and answer
It is required that.Compared with organic antibacterial agent, inorganic antiseptic have heat resistanceheat resistant, persistently, broad-spectrum antiseptic, have no drug resistance, safety, without two
The advantages that secondary pollution, more and more attention has been paid to.Wherein, the inorganic antiseptics of the inorganic matters such as metallic silver containing antibiotic property, copper, zinc is opened
Hair and application, it is gradually mature.But inorganic fungicide is in emulsion paint, meeting to be due to phase between inorganic fungicide and polymeric matrix
Capacitive is poor, and causing emulsion paint to occur, sterilizing time is short, easily dissolves out, the problem of durability difference, because of the invention one kind and emulsion paint base
Compatability is good, and the good novel antibacterial mildew-proof latex paint of persistence has positive effect to technical field of paint preparation.
Summary of the invention
The technical problems to be solved by the invention: common interiro wall latex paint fungus-resistant is ineffective asks for current
Topic, provides a kind of bacteria mildew-proof interiro wall latex paint.
In order to solve the above technical problems, the present invention is using technical solution as described below:
A kind of bacteria mildew-proof interiro wall latex paint, including following component: 5 ~ 10 parts of polyvinyl alcohol, 3 ~ 7 parts of neopelexes,
2 ~ 5 parts of dimethyl silicone polymers, 55 ~ 70 parts of water, 3 ~ 7 parts of water-reducing agents, further includes: 25 ~ 40 parts of compound shellac varnish base-materials, 12 ~ 20 parts
The antibacterial material of waterproof.
The preparation method of the compound shellac varnish base-material, includes the following steps:
(1) in 25 ~ 35 DEG C, 3 ~ 6:1:20 ~ 30 take emulsifier, dispersing agent, water to be mixed in mass ratio, are warming up to 40 ~ 60 DEG C,
2 ~ 5 times of emulsifier quality of methyl styrene methyl esters is added to be mixed, the sodium peroxydisulfate of emulsifier quality 2 ~ 5% is added in heat preservation
It is mixed, adjusts pH, obtain reaction solution；
(2) according to parts by weight, 7 ~ 13 parts of reaction solutions, 10 ~ 15 parts of copper nitrate solutions, 20 ~ 40 parts of acetic acid solutions, 1 ~ 4 part of shell are taken
Glycan, 2 ~ 5 parts of isopropanols, 3 ~ 7 parts of modification infusorial earths, 0.6 ~ 1 part of glutaraldehyde take chitosan, modified diatom prior to 25 ~ 35 DEG C
Soil, acetic acid solution are mixed, and copper nitrate solution, reaction solution mixing is added, is warming up to 45 ~ 60 DEG C of stirrings, addition glutaraldehyde, different
Propyl alcohol stirring, is stored at room temperature, and removes supernatant liquor, filters, filter cake is taken to be washed with dehydrated alcohol, dry to get compound shellac varnish base
Material.
Emulsifier in the step (1): 5:1 ~ 3 take dimethicone, Arabic gum mixing to get emulsification in mass ratio
Agent.
Dispersing agent in the step (1): 4 ~ 8:0.1:0.3 in mass ratio takes atoleine, calcium stearate, dodecyl
Sodium sulphate mixes to get dispersing agent.
Modification infusorial earth in the step (2): 7 ~ 10:1:25 in mass ratio takes diatomite, flyash, HCl solution mixed
Stirring is closed, is stored at room temperature, filters, filter residue is taken to be washed with water, it is dry to get modification infusorial earth.
The preparation of the antibacterial material of waterproof: according to parts by weight, take 20 ~ 30 parts of dehydrated alcohols, 10 ~ 15 parts of propylene glycol poly-
Ether, 6 ~ 10 parts of isophorone diisocyanates, 2 ~ 5 parts of oil plants, 2 ~ 5 parts of auxiliary materials, 2 ~ 4 parts of dihydromethyl propionic acids, 2 ~ 4 parts of trihydroxy methyls
Propane, 2 ~ 4 parts of 1,4-butanediol, 0.3 ~ 0.5 part of catalyst take isophorone diisocyanate, propylene glycol poly- prior to 35 ~ 50 DEG C
Ether, oil plant are mixed, and are warming up to 68 ~ 70 DEG C, and catalyst is added, is stored at room temperature, and dihydromethyl propionic acid is added, and stand, and are added
Trimethylolpropane, 1,4-butanediol, heat preservation, are cooled to 30 ~ 40 DEG C, adjust pH, are cooled to 25 ~ 30 DEG C, be added dehydrated alcohol,
Auxiliary material stirs to get the antibacterial material of waterproof.
The oil plant: 3 ~ 6:1:1 in mass ratio takes castor oil, Lavender, the mixing of cinnamomum camphora essential oil to get oil plant.
The auxiliary material: 1:3 ~ 6 take microcrystalline wax, polyvinylpyrrolidone mixing to get auxiliary material in mass ratio.
The catalyst: 4:1 ~ 2 take dibutyl tin dilaurate, stannous octoate mixing to get catalyst in mass ratio.
The water-reducing agent: any one in poly carboxylic acid series water reducer TH-928, naphthalene series high-efficiency water-reducing agent YZ-1.
The present invention is compared with other methods, and advantageous effects are:
(1) present invention filters, by diatomite with after flyash mixing acidleach so that SiO2、TiO2Etc. oxide carried in diatom
Soil, TiO2It is acted on positively charged chitosan, opposite charge can be adsorbed and form diffusion electric double layer, make particle effective diameter
Increase, when particle is closer to each other, repels each other because of each tool homophilic charge, be conducive to the dispersed stability of this emulsion paint system,
Chitosan is mixed with layer structure pretreatment diatomite, can be effectively improved its internal swelling behavior and mechanical property, is added
Copper nitrate solution and the copper ion introduced, can have good coordination with chitosan, after be combineding with each other, can further enhance
The performance of bacteria mildew-proof；
(2) present invention joined oil plant and changed with the raw materials polyaminoester emulsion such as propylene glycol polyethers, isophorone diisocyanate
Property, it introduces long-chain fat segment and assigns its good hydrophobicity, and the position of part functional group can be occupied in this cross-linked network
It sets, reduces the oscillation intensity of covalent bond in cross-linked network molecule, can make in paint film while improving this emulsion paint mechanical property
Hydrophilic free radical is reduced, so that water preventing ability can be promoted, so as to improve waterproof performance, and partial size is smaller, is easy to permeate
To inside this system, while its current potential is positive value, is conducive to increase the repulsion between emulsion paint, avoids reuniting, improve the steady of lotion
Qualitative, the presence of chitosan increases the positive charge of system, so that the knot in the more regular close crystalline texture of polyurethane film
Brilliant degree is changed, and intermolecular combination becomes closely, and hydrone is difficult to pass through, thus waterproofness increases, while its own is also
With there is antibiotic property, cooperates cinnamomum camphora essential oil and Lavender to improve fungistatic effect, reach waterproof, antibacterial action, improve mould proof
Effect；
(3) present invention is to diatomite and flyash mixed processing, the interaction between component, so that internal charge constitutes diffusion pair
Electric layer, is conducive to the dispersed stability of this emulsion paint system, and the mixing of chitosan and layer structure pretreatment diatomite can change
It is apt to internal swelling behavior and mechanical property, with larger molecular organics polyaminoester emulsion, and it is modified with oil plant, introduce long-chain rouge
Fat segment assigns its good hydrophobicity, and the position of part functional group can be occupied in this cross-linked network, reduces cross-linked network
The oscillation intensity of covalent bond in molecule is improving this emulsion paint mechanical property, and is improving block-water performance, and partial size is smaller, is easy to
It penetrates into inside this system, while its current potential is positive value, is conducive to increase the repulsion between emulsion paint, improves emulsion intercalation method,
The presence of chitosan increases the positive charge of system, so that the crystallinity in the more regular close crystalline texture of polyurethane film is sent out
Changing, intermolecular combination become closely, and hydrone is difficult to pass through, thus waterproofness increases, its own also has and has antibiotic property,
Fungistatic effect also can be improved in cooperation cinnamomum camphora essential oil and Lavender, reaches waterproof, antibacterial action, the present invention is for common at present
The ineffective problem of interiro wall latex paint fungus-resistant provides a kind of bacteria mildew-proof interiro wall latex paint, fungus-resistant significant effect
Improve, has a good application prospect.
Specific embodiment
Emulsifier: 5:1 ~ 3 take dimethicone, Arabic gum mixing to get emulsifier in mass ratio.
Dispersing agent: 4 ~ 8:0.1:0.3 in mass ratio take atoleine, calcium stearate, lauryl sodium sulfate mixing to get
Dispersing agent.
Modification infusorial earth: 7 ~ 10:1:25 in mass ratio takes diatomite, flyash, the HCl solution that mass fraction is 12% to mix
It closes, with 500 ~ 800r/min, 30 ~ 55min of magnetic agitation, is stored at room temperature 1 ~ 3h, filter, after taking filter residue to be washed with water 2 ~ 4 times, move
To 65 ~ 80 DEG C of 8 ~ 12h of oven drying to get modification infusorial earth.
Oil plant: 3 ~ 6:1:1 in mass ratio takes castor oil, Lavender, the mixing of cinnamomum camphora essential oil to get oil plant.
Auxiliary material: 1:3 ~ 6 take microcrystalline wax, polyvinylpyrrolidone mixing to get auxiliary material in mass ratio.
Catalyst: 4:1 ~ 2 take dibutyl tin dilaurate, stannous octoate mixing to get catalyst in mass ratio.
Water-reducing agent: any one in poly carboxylic acid series water reducer TH-928, naphthalene series high-efficiency water-reducing agent YZ-1.
The preparation method of compound shellac varnish base-material, includes the following steps:
(1) in 25 ~ 35 DEG C, 3 ~ 6:1:20 ~ 30 take emulsifier, dispersing agent, water mixing in mass ratio, with 400 ~ 700r/min magnetic force
35 ~ 60min is stirred, is warming up to 40 ~ 60 DEG C, 1 ~ 3 times of emulsifier quality of methyl styrene methyl esters is added and is mixed, heat preservation 30
~ 55min, be added emulsifier quality 2 ~ 5% sodium peroxydisulfate be mixed, with mass fraction be 20% NaOH solution adjust pH to
7.8 ~ 8.5, obtain reaction solution；
(2) according to parts by weight, 7 ~ 13 parts of reaction solutions, the copper nitrate solution of 10 ~ 15 parts of concentration 0.01mol/L, 20 ~ 40 parts of matter are taken
Acetic acid solution, 1 ~ 4 part of chitosan, 2 ~ 5 parts of isopropanols, 3 ~ 7 parts of modification infusorial earths, 0.6 ~ 1 part of glutaraldehyde that score is 8% are measured, first
In 25 ~ 35 DEG C, take chitosan, modification infusorial earth, acetic acid solution in reaction kettle mix, with 400 ~ 700r/min magnetic agitation 8 ~
12h is added copper nitrate solution, reaction solution mixing, is warming up to 45 ~ 60 DEG C of 30 ~ 45min of stirring, glutaraldehyde is added, isopropanol stirs
It mixes, is stored at room temperature 1 ~ 3h, remove supernatant liquor, filter, after taking filter cake to wash 2 ~ 4 times with dehydrated alcohol, move to 60 ~ 80 DEG C of baking ovens
Dry 4 ~ 7h is to get compound shellac varnish base-material.
The preparation of the antibacterial material of waterproof: according to parts by weight, take 20 ~ 30 parts of dehydrated alcohols, 10 ~ 15 parts of propylene glycol polyethers, 6 ~
10 parts of isophorone diisocyanates, 2 ~ 5 parts of oil plants, 2 ~ 5 parts of auxiliary materials, 2 ~ 4 parts of dihydromethyl propionic acids, 2 ~ 4 parts of trimethylolpropanes,
2 ~ 4 parts of 1,4-butanediol, 0.3 ~ 0.5 part of catalyst, isophorone diisocyanate, propylene glycol polyethers, oil plant are taken prior to 35 ~ 50 DEG C
Mixing stirs 30 ~ 50min with 400 ~ 700r/min, is warming up to 68 ~ 70 DEG C, catalyst is added, be stored at room temperature 1 ~ 3h, is added two
Hydroxymethyl propionic acid stands 1 ~ 3h, and trimethylolpropane, 1,4-butanediol is added, and keeps the temperature 40 ~ 60min, is cooled to 30 ~ 40 DEG C, uses
The triethylamine solution of concentration 0.1mol/L adjusts pH to 7.2 ~ 7.8, is cooled to 25 ~ 30 DEG C, and dehydrated alcohol, auxiliary material stirring 25 is added
~ 30min is to get the antibacterial material of waterproof.
A kind of bacteria mildew-proof interiro wall latex paint, according to the mass fraction, including following component: 5 ~ 10 parts of polyvinyl alcohol, 3 ~ 7 parts
Neopelex, 2 ~ 5 parts of dimethyl silicone polymers, 55 ~ 70 parts of water, 3 ~ 7 parts of water-reducing agents, 25 ~ 40 parts of compound shellac varnish bases
Material, 12 ~ 20 parts of antibacterial material of waterproof.
Embodiment 1
Emulsifier: 5:1 in mass ratio takes dimethicone, Arabic gum mixing to get emulsifier.
Dispersing agent: 4:0.1:0.3 in mass ratio takes atoleine, calcium stearate, lauryl sodium sulfate to mix to get dividing
Powder.
Modification infusorial earth: 7:1:25 in mass ratio takes diatomite, flyash, the HCl solution that mass fraction is 12% to mix,
With 500r/min magnetic agitation 30min, it is stored at room temperature 1h, filters, after taking filter residue to be washed with water 2 times, moves to 65 DEG C of oven dryings
8h is to get modification infusorial earth.
Oil plant: 3:1:1 in mass ratio takes castor oil, Lavender, the mixing of cinnamomum camphora essential oil to get oil plant.
Auxiliary material: 1:3 in mass ratio takes microcrystalline wax, polyvinylpyrrolidone mixing to get auxiliary material.
Catalyst: 4:1 in mass ratio takes dibutyl tin dilaurate, stannous octoate mixing to get catalyst.
Water-reducing agent: poly carboxylic acid series water reducer TH-928.
The preparation method of compound shellac varnish base-material, includes the following steps:
(1) in 25 DEG C, 3:1:20 in mass ratio takes emulsifier, dispersing agent, water mixing to rise with 400r/min magnetic agitation 35min
Temperature is added 1 times of emulsifier quality of methyl styrene methyl esters and is mixed, keep the temperature 30min, emulsifier quality 2% is added to 40 DEG C
Sodium peroxydisulfate be mixed, with mass fraction be 20% NaOH solution adjust pH to 7.8, obtain reaction solution；
(2) according to parts by weight, copper nitrate solution, the 20 parts of mass fractions for taking 7 parts of reaction solutions, 10 parts of concentration 0.01mol/L are
8% acetic acid solution, 1 part of chitosan, 2 parts of isopropanols, 3 parts of modification infusorial earths, 0.6 part of glutaraldehyde, prior to 25 DEG C, take chitosan,
Modification infusorial earth, acetic acid solution are mixed in reaction kettle, and with 400r/min magnetic agitation 8h, it is mixed that copper nitrate solution, reaction solution is added
It closes, is warming up to 45 DEG C of stirring 30min, glutaraldehyde, isopropanol stirring is added, is stored at room temperature 1h, removes supernatant liquor, filter, take
After filter cake washs 2 times with dehydrated alcohol, 60 ~ 80 DEG C of oven drying 4h are moved to get compound shellac varnish base-material.
The preparation of the antibacterial material of waterproof: according to parts by weight, 20 parts of dehydrated alcohols, 10 parts of propylene glycol polyethers, 6 parts of phorone are taken
Diisocyanate, 2 parts of oil plants, 2 parts of auxiliary materials, 2 parts of dihydromethyl propionic acids, 2 parts of trimethylolpropanes, 2 parts of 1,4-butanediol, 0.3
Part catalyst takes isophorone diisocyanate, propylene glycol polyethers, oil plant mixing prior to 35 DEG C, stirs 30min with 400r/min,
68 DEG C are warming up to, catalyst is added, is stored at room temperature 1h, dihydromethyl propionic acid is added, stands 1h, trimethylolpropane, 1 is added,
4- butanediol keeps the temperature 40min, is cooled to 30 DEG C, adjusts pH to 7.2 with the triethylamine solution of concentration 0.1mol/L, is cooled to 25
DEG C, dehydrated alcohol, auxiliary material stirring 25min is added to get the antibacterial material of waterproof.
A kind of bacteria mildew-proof interiro wall latex paint, according to the mass fraction, including following component: 5 parts of polyvinyl alcohol, 3 part 12
Sodium alkyl benzene sulfonate, 2 parts of dimethyl silicone polymers, 55 parts of water, 3 parts of water-reducing agents, 25 parts of compound shellac varnish base-materials, 12 parts of waterproofs are antibacterial
Material.
Embodiment 2
Emulsifier: 5:2 in mass ratio takes dimethicone, Arabic gum mixing to get emulsifier.
Dispersing agent: 5:0.1:0.3 in mass ratio takes atoleine, calcium stearate, lauryl sodium sulfate to mix to get dividing
Powder.
Modification infusorial earth: 8:1:25 in mass ratio takes diatomite, flyash, the HCl solution that mass fraction is 12% to mix,
With 700r/min magnetic agitation 45min, it is stored at room temperature 2h, filters, after taking filter residue to be washed with water 3 times, moves to 70 DEG C of oven dryings
11h is to get modification infusorial earth.
Oil plant: 5:1:1 in mass ratio takes castor oil, Lavender, the mixing of cinnamomum camphora essential oil to get oil plant.
Auxiliary material: 1:5 in mass ratio takes microcrystalline wax, polyvinylpyrrolidone mixing to get auxiliary material.
Catalyst: 4:1.5 in mass ratio takes dibutyl tin dilaurate, stannous octoate mixing to get catalyst.
Water-reducing agent: naphthalene series high-efficiency water-reducing agent YZ-1.
The preparation method of compound shellac varnish base-material, includes the following steps:
(1) in 30 DEG C, 5:1:25 in mass ratio takes emulsifier, dispersing agent, water mixing to rise with 600r/min magnetic agitation 50min
Temperature is added 2 times of emulsifier quality of methyl styrene methyl esters and is mixed, keep the temperature 45min, emulsifier quality 4% is added to 50 DEG C
Sodium peroxydisulfate be mixed, with mass fraction be 20% NaOH solution adjust pH to 8, obtain reaction solution；
(2) according to parts by weight, copper nitrate solution, the 30 parts of mass fractions for taking 12 parts of reaction solutions, 13 parts of concentration 0.01mol/L are
8% acetic acid solution, 3 parts of chitosans, 3 parts of isopropanols, 5 parts of modification infusorial earths, 0.8 part of glutaraldehyde, prior to 30 DEG C, take chitosan,
Modification infusorial earth, acetic acid solution are mixed in reaction kettle, and with 500r/min magnetic agitation 10h, it is mixed that copper nitrate solution, reaction solution is added
It closes, is warming up to 50 DEG C of stirring 35min, glutaraldehyde, isopropanol stirring is added, is stored at room temperature 2h, removes supernatant liquor, filter, take
After filter cake washs 3 times with dehydrated alcohol, 70 DEG C of oven drying 5h are moved to get compound shellac varnish base-material.
The preparation of the antibacterial material of waterproof: according to parts by weight, 25 parts of dehydrated alcohols, 13 parts of propylene glycol polyethers, 8 parts of phorone are taken
Diisocyanate, 4 parts of oil plants, 4 parts of auxiliary materials, 3 parts of dihydromethyl propionic acids, 3 parts of trimethylolpropanes, 3 parts of 1,4-butanediol, 0.4
Part catalyst takes isophorone diisocyanate, propylene glycol polyethers, oil plant mixing prior to 40 DEG C, stirs 40min with 500r/min,
69 DEG C are warming up to, catalyst is added, is stored at room temperature 2h, dihydromethyl propionic acid is added, stands 2h, trimethylolpropane, 1 is added,
4- butanediol keeps the temperature 50min, is cooled to 35 DEG C, adjusts pH to 7.6 with the triethylamine solution of concentration 0.1mol/L, is cooled to 28
DEG C, dehydrated alcohol, auxiliary material stirring 28min is added to get the antibacterial material of waterproof.
A kind of bacteria mildew-proof interiro wall latex paint, according to the mass fraction, including following component: 8 parts of polyvinyl alcohol, 5 part 12
Sodium alkyl benzene sulfonate, 4 parts of dimethyl silicone polymers, 60 parts of water, 5 parts of water-reducing agents, 30 parts of compound shellac varnish base-materials, 18 parts of waterproofs are antibacterial
Material.
Embodiment 3
Emulsifier: 5:3 in mass ratio takes dimethicone, Arabic gum mixing to get emulsifier.
Dispersing agent: 8:0.1:0.3 in mass ratio takes atoleine, calcium stearate, lauryl sodium sulfate to mix to get dividing
Powder.
Modification infusorial earth: 10:1:25 in mass ratio takes diatomite, flyash, the HCl solution that mass fraction is 12% to mix,
With 800r/min magnetic agitation 55min, it is stored at room temperature 3h, filters, after taking filter residue to be washed with water 4 times, moves to 80 DEG C of oven dryings 8
~ 12h is to get modification infusorial earth.
Oil plant: 6:1:1 in mass ratio takes castor oil, Lavender, the mixing of cinnamomum camphora essential oil to get oil plant.
Auxiliary material: 1:6 in mass ratio takes microcrystalline wax, polyvinylpyrrolidone mixing to get auxiliary material.
Catalyst: 4:2 in mass ratio takes dibutyl tin dilaurate, stannous octoate mixing to get catalyst.
Water-reducing agent: poly carboxylic acid series water reducer TH-928.
The preparation method of compound shellac varnish base-material, includes the following steps:
(1) in 35 DEG C, 6:1:30 in mass ratio takes emulsifier, dispersing agent, water mixing to rise with 700r/min magnetic agitation 60min
Temperature is added 3 times of emulsifier quality of methyl styrene methyl esters and is mixed, keep the temperature 55min, emulsifier quality 5% is added to 60 DEG C
Sodium peroxydisulfate be mixed, with mass fraction be 20% NaOH solution adjust pH to 8.5, obtain reaction solution；
(2) according to parts by weight, copper nitrate solution, the 40 parts of mass fractions for taking 13 parts of reaction solutions, 15 parts of concentration 0.01mol/L are
8% acetic acid solution, 4 parts of chitosans, 5 parts of isopropanols, 7 parts of modification infusorial earths, 1 part of glutaraldehyde take chitosan, change prior to 35 DEG C
Property diatomite, acetic acid solution mixed in reaction kettle, with 700r/min magnetic agitation 12h, it is mixed that copper nitrate solution, reaction solution is added
It closes, is warming up to 60 DEG C of stirring 45min, glutaraldehyde, isopropanol stirring is added, is stored at room temperature 3h, removes supernatant liquor, filter, take
After filter cake washs 4 times with dehydrated alcohol, 80 DEG C of oven drying 7h are moved to get compound shellac varnish base-material.
The preparation of the antibacterial material of waterproof: according to parts by weight, 30 parts of dehydrated alcohols, 15 parts of propylene glycol polyethers, 10 parts of Fo Er are taken
Ketone diisocyanate, 5 parts of oil plants, 5 parts of auxiliary materials, 4 parts of dihydromethyl propionic acids, 4 parts of trimethylolpropanes, 4 parts of 1,4-butanediol,
0.5 part of catalyst is taken isophorone diisocyanate, propylene glycol polyethers, oil plant mixing prior to 50 DEG C, is stirred with 700r/min
50min is warming up to 70 DEG C, and catalyst is added, and is stored at room temperature 3h, and dihydromethyl propionic acid is added, and stands 3h, and trihydroxy methyl third is added
Alkane, 1,4-butanediol keep the temperature 60min, are cooled to 40 DEG C, adjust pH to 7.8, cooling with the triethylamine solution of concentration 0.1mol/L
To 30 DEG C, dehydrated alcohol, auxiliary material stirring 30min is added to get the antibacterial material of waterproof.
A kind of bacteria mildew-proof interiro wall latex paint, according to the mass fraction, including following component: 10 parts of polyvinyl alcohol, 7 part 12
Sodium alkyl benzene sulfonate, 5 parts of dimethyl silicone polymers, 70 parts of water, 7 parts of water-reducing agents, 40 parts of compound shellac varnish base-materials, 20 parts of waterproofs are antibacterial
Material.
Comparative example 1: it is essentially identical with the preparation method of embodiment 1, it has only the difference is that lacking compound shellac varnish base-material.
Comparative example 2: it is essentially identical with the preparation method of embodiment 1, it has only the difference is that lacking the antibacterial material of waterproof.
Comparative example 3: the bacteria mildew-proof interiro wall latex paint of company, Beijing production.
Embodiment and comparative example are tested according to GB/T18883/2002, GB/T18883/2002 standard, test knot
Fruit is as shown in table 1.
Table 1
| Test item | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Drying time (h) | 1 | 1.8 | 1.5 | 2.3 | 2.1 | 3.4 |
| Antibacterium persistence (%) | 98 | 95 | 97 | 93 | 90 | 76 |
| Free formaldehyde (mg/Kg) | It is not detected | It is not detected | It is not detected | 0.1 | 0.09 | 0.3 |
| Abrasion resistance (secondary) | 3854 | 3712 | 3799 | 3466 | 3387 | 1988 |
| Water resistance (h) | 170 | 165 | 168 | 157 | 159 | 121 |
| VOC(g/L) | 8 | 10 | 9 | 18 | 15 | 37 |
The performance indexes of bacteria mildew-proof interiro wall latex paint of the present invention is superior to the interiro wall latex paint of control group, and VOC content is low,
Almost without any smell, and the paint film abrasion resistance of interiro wall latex paint of the present invention formation and fungus-resistant are good, are worth pushing greatly
Extensively.
The foregoing is merely preferred modes of the invention, are not intended to limit the invention, all in spirit and original of the invention
Within then, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of bacteria mildew-proof interiro wall latex paint, according to the mass fraction, including following component: 5 ~ 10 parts of polyvinyl alcohol, 3 ~ 7 part ten
Dialkyl benzene sulfonic acids sodium, 2 ~ 5 parts of dimethyl silicone polymers, 55 ~ 70 parts of water, 3 ~ 7 parts of water-reducing agents, which is characterized in that further include: 25
~ 40 parts of compound shellac varnish base-materials, 12 ~ 20 parts of antibacterial material of waterproof.
2. a kind of bacteria mildew-proof interiro wall latex paint according to claim 1, which is characterized in that the system of the compound shellac varnish base-material
Preparation Method includes the following steps:
(1) in 25 ~ 35 DEG C, 3 ~ 6:1:20 ~ 30 take emulsifier, dispersing agent, water to be mixed in mass ratio, are warming up to 40 ~ 60 DEG C,
2 ~ 5 times of emulsifier quality of methyl styrene methyl esters is added to be mixed, the sodium peroxydisulfate of emulsifier quality 2 ~ 5% is added in heat preservation
It is mixed, adjusts pH, obtain reaction solution；
(2) according to parts by weight, 7 ~ 13 parts of reaction solutions, 10 ~ 15 parts of copper nitrate solutions, 20 ~ 40 parts of acetic acid solutions, 1 ~ 4 part of shell are taken
Glycan, 2 ~ 5 parts of isopropanols, 3 ~ 7 parts of modification infusorial earths, 0.6 ~ 1 part of glutaraldehyde take chitosan, modified diatom prior to 25 ~ 35 DEG C
Soil, acetic acid solution are mixed, and copper nitrate solution, reaction solution mixing is added, is warming up to 45 ~ 60 DEG C of stirrings, addition glutaraldehyde, different
Propyl alcohol stirring, is stored at room temperature, and removes supernatant liquor, filters, filter cake is taken to be washed with dehydrated alcohol, dry to get compound shellac varnish base
Material.
3. a kind of bacteria mildew-proof interiro wall latex paint according to claim 2, which is characterized in that the emulsification in the step (1)
Agent: 5:1 ~ 3 take dimethicone, Arabic gum mixing to get emulsifier in mass ratio.
4. a kind of bacteria mildew-proof interiro wall latex paint according to claim 2, which is characterized in that the dispersion in the step (1)
Agent: 4 ~ 8:0.1:0.3 in mass ratio takes atoleine, calcium stearate, lauryl sodium sulfate mixing to get dispersing agent.
5. a kind of bacteria mildew-proof interiro wall latex paint according to claim 2, which is characterized in that the modification in the step (2)
Diatomite: 7 ~ 10:1:25 in mass ratio takes diatomite, flyash, HCl solution to be mixed, and is stored at room temperature, and filters, takes filter residue
It is washed with water, it is dry to get modification infusorial earth.
6. a kind of bacteria mildew-proof interiro wall latex paint according to claim 1, which is characterized in that the system of the antibacterial material of waterproof
It is standby: according to parts by weight, take 20 ~ 30 parts of dehydrated alcohols, 10 ~ 15 parts of propylene glycol polyethers, 6 ~ 10 parts of isophorone diisocyanates, 2 ~
5 parts of oil plants, 2 ~ 5 parts of auxiliary materials, 2 ~ 4 parts of dihydromethyl propionic acids, 2 ~ 4 parts of trimethylolpropanes, 2 ~ 4 parts of 1,4-butanediol, 0.3 ~ 0.5
Part catalyst takes isophorone diisocyanate, propylene glycol polyethers, oil plant to be mixed prior to 35 ~ 50 DEG C, is warming up to 68 ~ 70 DEG C,
Catalyst is added, is stored at room temperature, dihydromethyl propionic acid is added, stands, trimethylolpropane, 1,4-butanediol is added, keeps the temperature, drop
Temperature adjusts pH to 30 ~ 40 DEG C, is cooled to 25 ~ 30 DEG C, and dehydrated alcohol, auxiliary material stirring is added to get the antibacterial material of waterproof.
7. a kind of bacteria mildew-proof interiro wall latex paint according to claim 6, which is characterized in that the oil plant: in mass ratio 3 ~
6:1:1 takes castor oil, Lavender, the mixing of cinnamomum camphora essential oil to get oil plant.
8. a kind of bacteria mildew-proof interiro wall latex paint according to claim 6, which is characterized in that the auxiliary material: 1:3 in mass ratio
~ 6 take microcrystalline wax, polyvinylpyrrolidone mixing to get auxiliary material.
9. a kind of bacteria mildew-proof interiro wall latex paint according to claim 6, which is characterized in that the catalyst: in mass ratio
4:1 ~ 2 take dibutyl tin dilaurate, stannous octoate mixing to get catalyst.
10. a kind of bacteria mildew-proof interiro wall latex paint according to claim 1, which is characterized in that the water-reducing agent: polycarboxylic-acid
Any one in water-reducing agent TH-928, naphthalene series high-efficiency water-reducing agent YZ-1.
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| CN112625476A (en) * | 2020-12-29 | 2021-04-09 | 成都芙涵麟涂料科技有限公司 | Preparation method of diatom ooze coating |
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| CN105623326A (en) * | 2016-04-07 | 2016-06-01 | 吉林省星赛尔科技有限公司 | Nano shell powder ecological functional elastic-coating paint |
| CN105819752A (en) * | 2016-04-07 | 2016-08-03 | 吉林省星赛尔科技有限公司 | Nano shell powder ecological functional flatly painted coating |
| CN108411638A (en) * | 2018-03-31 | 2018-08-17 | 郭跃 | A kind of preparation method of weaving waterproofing agent |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105623326A (en) * | 2016-04-07 | 2016-06-01 | 吉林省星赛尔科技有限公司 | Nano shell powder ecological functional elastic-coating paint |
| CN105819752A (en) * | 2016-04-07 | 2016-08-03 | 吉林省星赛尔科技有限公司 | Nano shell powder ecological functional flatly painted coating |
| CN108411638A (en) * | 2018-03-31 | 2018-08-17 | 郭跃 | A kind of preparation method of weaving waterproofing agent |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112625476A (en) * | 2020-12-29 | 2021-04-09 | 成都芙涵麟涂料科技有限公司 | Preparation method of diatom ooze coating |
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Application publication date: 20191022 |