CN109535890A - A kind of nano antibacterial, moldproof composition and preparation method thereof - Google Patents
A kind of nano antibacterial, moldproof composition and preparation method thereof Download PDFInfo
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- CN109535890A CN109535890A CN201811368318.XA CN201811368318A CN109535890A CN 109535890 A CN109535890 A CN 109535890A CN 201811368318 A CN201811368318 A CN 201811368318A CN 109535890 A CN109535890 A CN 109535890A
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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
- C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- 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
- C09D5/004—Reflecting paints; Signal paints
-
- 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
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
-
- 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 present invention relates to a kind of nano antibacterial, moldproof compositions, by weight include following components: 100~300 parts of synthetic resin emulsion, 50~150 parts of Nano silica sol, 10~20 parts of nano silver colloidal sol, 0.65~2.0 part of silane coupling agent, siderochrome be 20~38 parts black, 4~10 parts of coalescing agent, 1~3 part of dispersing agent, 1~3 part of defoaming agent, IPBC1~3 part, 0.3~1 part of propylene glycol and 1~3 part of thickener；Modification is modified to Nano silica sol by silane coupling agent, coating can be increased to the reflectivity of sunlight and near infrared light, absorption of the coating to infrared light itself is reduced, to realize the ageing-resistant performance for promoting coating；It is mixed using Nano silica sol with synthetic resin emulsion, nano-silicon has a large amount of negative electrical charge, is capable of forming powerful adsorption capacity, bacterium, virus etc. are collected, and bacterium and virus are killed by the synergistic effect of nano silver, to achieve the effect that purification, antibacterial, deodorization.
Description
Technical field
The present invention relates to antibacterial and mouldproof material technical fields, more particularly, to a kind of nano antibacterial, moldproof composition and its system
Preparation Method.
Background technique
Nano material is an important member in new material big family, be mainly used for electronics, magnetic material, optics,
The fields such as the energy, structural ceramics and thermal spray coating.Height as a most market application potential is scientific and technical, nano material
Technology and its application are confirmed by numerous true and emerging nano material new opplication achievements." nanometer " is a length list
Position.Japan in 1974 is earliest this term application to technical, but with " nanometer " come to name material be in 20th century
The 80's, defining it characteristic dimension of material be limited in 1~100 nanometer range as a kind of material.
Nano-silicon refers to crystal silicon particle of the diameter less than 5 nanometers (one meters of 1,000,000,000 (1G) points).Nano silica fume has
The features such as purity is high, partial size is small, is evenly distributed.It is big with surface area, high surface, the low feature of apparent density, the product
It is tasteless with nontoxic.Nano silica fume is photoelectric semiconductor material of new generation, has wider gap can semiconductor and Gao Gong
Rate source material.
Existing architectural coating compositions are chiefly used in building inner-outer wall, update with the development of technology, with excellent
Weatherability and waterproofness, and have the function of certain antimildew and antibacterial, however, holding with sunlight or infrared radiation
It is easy to aging, the ability of antimildew and antibacterial is just lost quickly.
Therefore it needs to improve.
Summary of the invention
In view of the deficienciess of the prior art, the object of the present invention is to provide it is a kind of it is non-aging, have it is permanent mould proof anti-
The mould proof composition of the nano antibacterial of bacterium ability.
To achieve the goals above, the technical scheme adopted by the invention is that:
A kind of nano antibacterial, moldproof composition includes following components: synthetic resin emulsion 100~300 part, nanometer by weight
50~150 parts of silica solution, 10~20 parts of nano silver colloidal sol, 0.65~2.0 part of silane coupling agent, siderochrome are 20~38 parts black, form a film
4~10 parts of auxiliary agent, 1~3 part of dispersing agent, 1~3 part of defoaming agent, 1~3 part of thickener, IPBC1~3 part, 0.3~1 part of propylene glycol
With 40~60 parts of deionized water.
In further technical solution, the nano antibacterial, moldproof composition includes following components by weight: being closed
At 150~200 parts of resin emulsion, 100~150 parts of Nano silica sol, 15~20 parts of nano silver colloidal sol, silane coupling agent 0.75~
1.5 parts, siderochrome is 28~34 parts black, 5~8 parts of coalescing agent, 1~3 part of dispersing agent, 1~3 part of defoaming agent, 1~3 part of thickener and
50~60 parts of deionized water.
In further technical solution, the synthetic resin emulsion selects pure-acrylic emulsion, styrene-acrylic emulsion, silicone acrylic emulsion, benzene
One of ethylene-acrylic acid lotion is a variety of.
In further technical solution, the solid content of the Nano silica sol is 30%, and average grain diameter is 5~10nm.
In further technical solution, the concentration of the nano silver colloidal sol is 1000~1500ppm, average grain diameter is 2~
6nm。
In further technical solution, the silane coupling agent selects γ-(2,3- the third oxygen of epoxy) propyl trimethoxy
Silane.
In further technical solution, the black average grain diameter of the siderochrome is 2.3~2.5 μm.
It is another object of the present invention to provide a kind of preparation methods of nano antibacterial, moldproof composition.
A kind of preparation method of nano antibacterial, moldproof composition, comprising the following steps:
S1, by silane coupling agent and Nano silica sol according to formula rate, sequentially add to reaction vessel, and will reaction hold
Device stirs 3.5~4h under conditions of 60 DEG C of constant temperature, stands, and PH is adjusted between 7.5~8.5, obtains after stirring
To component A；
S2, synthetic resin emulsion is added into reaction kettle according to formula rate, is successively added in reaction kettle after mixing evenly
Coalescing agent, dispersing agent, defoaming agent and thickener, stir 5~10min after according to formula rate be added siderochrome it is black, continue to stir
After 10~20min, component B is made；
S3, according to formula rate by IPBC and propylene glycol stirring it is miscible, obtain component C；
S4, component A and component B mixed first, and nano silver colloidal sol and deionized water is added according to formula rate, stir 10 points
Component C is added in Zhong Hou, and temperature control is filtered at 45 DEG C hereinafter, stirring at low speed after five minutes, finished product.
Compared with prior art, the invention has the benefit that 1, by silane coupling agent Nano silica sol is changed
Sex modification can increase coating to the reflectivity of sunlight and near infrared light, reduce absorption of the coating to infrared light itself, thus
Realize the ageing-resistant performance for promoting coating；2, it is mixed using Nano silica sol with synthetic resin emulsion, nano-silicon is with a large amount of
Negative electrical charge is capable of forming powerful adsorption capacity, and bacterium, virus etc. are collected, and will by the synergistic effect of nano silver
Bacterium and virus are killed, to achieve the effect that purification, antibacterial, deodorization；It 3, in a humidity environment can be with by the way that IPBC is added
The production for inhibiting microorganism, to further increase the fungicidal properties of coating.
Specific embodiment
It is only below presently preferred embodiments of the present invention, is not intended to limit the scope of the present invention.
Embodiment 1:
A kind of nano antibacterial, moldproof composition includes following components: 300 parts of synthetic resin emulsion, nano silicasol by weight
200 parts of glue, 20 parts of nano silver colloidal sol, 2 parts of silane coupling agent, siderochrome be 30 parts black, 10 parts of coalescing agent, 3 parts of dispersing agent, defoaming agent
2 parts, IPBC1 parts, 0.3 part of propylene glycol and 2 parts of thickener；Wherein, synthetic resin emulsion selects pure-acrylic emulsion RS-6733；Nanometer
Silica solution selects silica solution JN-30；Nano silver colloidal sol selects nano silver colloid 0KC-111；Silane coupling agent is selected silane coupled
Agent KH560, purity are that analysis is pure；The Texanol of coalescing agent selection U.S. Yi Shiman Co., Ltd；Dispersing agent selects aqueous painting
Material ammonium salt dispersant A D-29；Defoaming agent selects silicone antifoaming agent AD-15；Thickener selects the dedicated increasing of natural emulsion
Thick dose of AD-30.
The preparation method of nano antibacterial, moldproof composition includes the next steps:
S1, by silane coupling agent KH560 and silica solution JN-30 according to formula rate, sequentially add to reaction vessel, and will
Reaction vessel stir about 4h under conditions of 60 DEG C of constant temperature, stands, and PH is adjusted to 8 or so after stirring, obtains group
Divide A.
S2, pure-acrylic emulsion RS-6733 is added into reaction kettle according to formula rate, after mixing evenly successively toward reaction kettle
Interior addition coalescing agent Texanol, ammonium salt dispersant A D-29, silicone antifoaming agent AD-15 and the dedicated increasing of natural emulsion
It is black according to formula rate addition siderochrome after thick dose of AD-30, stirring 10min, continue after stirring 20min, component B is made.
S3, according to formula rate by IPBC and propylene glycol stirring it is miscible, obtain component C；Due to the solubility of IPBC and water
Very little, therefore need before IPBC is added first to carry out IPBC and propylene glycol miscible, improve its solubility.
S4, component A and component B is mixed, and nano silver colloid 0KC-111 and deionized water is added according to formula rate,
After ten minutes, component C is added, and temperature control is filtered at 45 DEG C hereinafter, continuing to stir at low speed after five minutes, is made into stirring
Product.
Embodiment 2:
A kind of nano antibacterial, moldproof composition includes following components: 120 parts of synthetic resin emulsion, nano silicasol by weight
50 parts of glue, 15 parts of nano silver colloidal sol, 0.65 part of silane coupling agent, siderochrome are 30 parts black, 6 parts of coalescing agent, 2 parts of dispersing agent, defoam
1 part of agent, PCB2 parts, 0.6 part of propylene glycol and 1 part of thickener；Wherein, synthetic resin emulsion selects pure-acrylic emulsion RS-6733；Nanometer
Silica solution selects silica solution JN-30；Nano silver colloidal sol selects nano silver colloid 0KC-111；Silane coupling agent is selected silane coupled
Agent KH560, purity are that analysis is pure；The Texanol of coalescing agent selection U.S. Yi Shiman Co., Ltd；Dispersing agent selects aqueous painting
Material ammonium salt dispersant A D-29；Defoaming agent selects silicone antifoaming agent AD-15；Thickener selects the dedicated increasing of natural emulsion
Thick dose of AD-30.
Preparation method is same as Example 1, herein not burdensome narration.
Embodiment 3:
A kind of nano antibacterial, moldproof composition includes following components: 100 parts of synthetic resin emulsion, nano silicasol by weight
100 parts of glue, 10 parts of nano silver colloidal sol, 1.5 parts of silane coupling agent, siderochrome are 30 parts black, 5 parts of coalescing agent, 3 parts of dispersing agent, defoam
2 parts of agent, PCB3 parts, 1 part of propylene glycol and 2 parts of thickener；Wherein, synthetic resin emulsion selects pure-acrylic emulsion RS-6733；Nano-silicon
Colloidal sol selects silica solution JN-30；Nano silver colloidal sol selects nano silver colloid 0KC-111；Silane coupling agent selects silane coupling agent
KH560, purity are that analysis is pure；The Texanol of coalescing agent selection U.S. Yi Shiman Co., Ltd；Dispersing agent selects water paint
With ammonium salt dispersant A D-29；Defoaming agent selects silicone antifoaming agent AD-15；Thickener selects the dedicated thickening of natural emulsion
Agent AD-30.
Preparation method is same as Example 1, herein not burdensome narration.
From purchase on the market the architectural coating compositions of certain brand as a comparison case and above-mentioned three groups of embodiments respectively into
Row is ageing-resistant, anti-mildew and antibiotic property is tested；Operating method before being tested, first by comparative example to specifications
It is deployed, and be sprayed on by construction method as defined in it in advance by the building material surface of sterilizing-drying processing, and
Drying is conserved under standard conditions；The combined viscosity of embodiment 1-3 is deployed to 30mm2/s respectively, controlling spray pressure is
0.3MPa is equably sprayed in advance by the building material surface of sterilizing-drying processing, and maintenance is dry at the standard conditions
It is dry.
After construction, according to respectively according to " GB/T 1865-2009 paint and varnish artificial weathering aging and artificial spoke
Penetrate expose to the open air filtration xenon arc radiation " and " the resistance to mould measuring method of GB/T 1741-2007 paint film " above-mentioned project is tested, obtain
Following result out:
| Appearance of coat after aging | Antibiotic rate after aging | |
| Embodiment 1 | Slight dusting | 98% |
| Embodiment 2 | It is without exception | 95.6% |
| Embodiment 3 | It is without exception | 96.2% |
| Comparative example 1 | Dusting | 55% |
According to above table it is found that after aging process, embodiment 1 has slight dusting, and embodiment 2 and 3 is without discovery powder
The case where change, will lead to coating composition and there is film forming difficulty, since spraying effect is paid no attention to since Nano silica sol investment is excessive
Think, embodiment 1 is caused slight dusting occur, and the Nano silica sol of embodiment 2 and 3 is launched rationally, can reflect away light,
And then realize the purpose for preventing aging；Comparative example 1 absorbs a large amount of infrared light, leads to coating since the reflecting properties of coating are poor
Easy to aging, there is powder phenomenon-tion in composition.
After aging, due to being added to a large amount of Nano silica sol and nano silver colloidal sol in embodiment 1, although film-formation result
Difference, but nano-silicon has a large amount of negative electrical charge, is capable of forming powerful adsorption capacity, bacterium, virus etc. are collected, and
Bacterium and virus are killed by the synergistic effect of nano silver, therefore have its antibiotic rate to reach 98%；The antibacterial of embodiment 2 and 3
Although rate has and is obviously improved, in terms of comprehensive, the resultant effect of embodiment 3 is most compared to comparative example 1 not as good as embodiment 1
It is excellent.
The above is only a preferred embodiment of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (8)
1. a kind of nano antibacterial, moldproof composition, which is characterized in that by weight include following components: synthetic resin emulsion
100~300 parts, 50~150 parts of Nano silica sol, 10~20 parts of nano silver colloidal sol, 0.65~2.0 part of silane coupling agent, siderochrome
Black 20~38 parts, 4~10 parts of coalescing agent, 1~3 part of dispersing agent, 1~3 part of defoaming agent, 1~3 part of thickener, IPBC1~3 part,
0.3~1 part and 40~60 parts of deionized water of propylene glycol.
2. nano antibacterial, moldproof composition according to claim 1, which is characterized in that by weight include with the following group
Point: 150~200 parts of synthetic resin emulsion, 100~150 parts of Nano silica sol, 15~20 parts of nano silver colloidal sol, silane coupling agent
0.75~1.5 part, siderochrome is 28~34 parts black, 5~8 parts of coalescing agent, 1~3 part of dispersing agent, 1~3 part of defoaming agent, thickener 1~
3 parts, 1~3 part of mould inhibitor, 0.3~1 part of propylene glycol and 50~60 parts of deionized water.
3. nano antibacterial, moldproof composition according to claim 2, which is characterized in that the synthetic resin emulsion is selected pure
One of acrylic emulsion, styrene-acrylic emulsion, silicone acrylic emulsion, styrene-acrylic emulsion are a variety of.
4. nano antibacterial, moldproof composition according to claim 2, which is characterized in that the solid content of the Nano silica sol
It is 30%, average grain diameter is 5~10nm.
5. nano antibacterial, moldproof composition according to claim 2, which is characterized in that the concentration of the nano silver colloidal sol is
1000~1500ppm, average grain diameter are 2~6nm.
6. nano antibacterial, moldproof composition according to claim 2, which is characterized in that the silane coupling agent selects γ-
(the third oxygen of 2,3- epoxy) propyl trimethoxy silicane.
7. nano antibacterial, moldproof composition according to claim 2, which is characterized in that the black average grain diameter of the siderochrome is
2.3~2.5 μm.
8. a kind of preparation method of such as nano antibacterial, moldproof composition as claimed in any one of claims 1 to 7, feature
It is: includes the following steps
S1, by silane coupling agent and Nano silica sol according to formula rate, sequentially add to reaction vessel, and will reaction hold
Device stirs 3.5~4h under conditions of 60 DEG C of constant temperature, stands, and PH is adjusted between 7.5~8.5, obtains after stirring
To component A；
S2, synthetic resin emulsion is added into reaction kettle according to formula rate, is successively added in reaction kettle after mixing evenly
Coalescing agent, dispersing agent, defoaming agent, thickener, stir 5~10min after according to formula rate be added siderochrome it is black, continue stirring 10
After~20min, component B is made；
S3, according to formula rate by IPBC and propylene glycol stirring it is miscible, obtain component C；
S4, component A and component B mixed first, and nano silver colloidal sol and deionized water is added according to formula rate, stir 10 points
Component C is added in Zhong Hou, and temperature control is filtered at 45 DEG C hereinafter, stirring at low speed after five minutes, finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811368318.XA CN109535890A (en) | 2018-11-16 | 2018-11-16 | A kind of nano antibacterial, moldproof composition and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811368318.XA CN109535890A (en) | 2018-11-16 | 2018-11-16 | A kind of nano antibacterial, moldproof composition and preparation method thereof |
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| CN109535890A true CN109535890A (en) | 2019-03-29 |
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| CN201811368318.XA Pending CN109535890A (en) | 2018-11-16 | 2018-11-16 | A kind of nano antibacterial, moldproof composition and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111226993A (en) * | 2020-03-25 | 2020-06-05 | 华南理工大学 | Long-acting antibacterial and virucidal sanitary protective product spray and application thereof |
| CN116918831A (en) * | 2023-07-25 | 2023-10-24 | 山东鑫永恒新材料有限公司 | Silver-loaded antibacterial slow-release material and preparation method thereof |
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| CN1470574A (en) * | 2003-06-16 | 2004-01-28 | 上海维来新材料科技有限公司 | Antibacterial negative ion coating |
| CN103360881A (en) * | 2013-08-01 | 2013-10-23 | 长沙学院 | Nano-silica sol-modified outer wall paint and preparation method thereof |
| CN103589247A (en) * | 2012-08-16 | 2014-02-19 | 石嘴山市丰本(集团)发展有限公司 | Nano silver building interior wall latex paint with antibacterial performance, and preparation method thereof |
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2018
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| CN1470574A (en) * | 2003-06-16 | 2004-01-28 | 上海维来新材料科技有限公司 | Antibacterial negative ion coating |
| CN103589247A (en) * | 2012-08-16 | 2014-02-19 | 石嘴山市丰本(集团)发展有限公司 | Nano silver building interior wall latex paint with antibacterial performance, and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111226993A (en) * | 2020-03-25 | 2020-06-05 | 华南理工大学 | Long-acting antibacterial and virucidal sanitary protective product spray and application thereof |
| CN111226993B (en) * | 2020-03-25 | 2021-08-10 | 华南理工大学 | Long-acting antibacterial and virucidal sanitary protective product spray and application thereof |
| CN116918831A (en) * | 2023-07-25 | 2023-10-24 | 山东鑫永恒新材料有限公司 | Silver-loaded antibacterial slow-release material and preparation method thereof |
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Application publication date: 20190329 |