CN102225859B - Paint with radiation protection, flame retardancy, and antibacterial functions and preparation method thereof - Google Patents

Paint with radiation protection, flame retardancy, and antibacterial functions and preparation method thereof Download PDF

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Publication number
CN102225859B
CN102225859B CN 201110102956 CN201110102956A CN102225859B CN 102225859 B CN102225859 B CN 102225859B CN 201110102956 CN201110102956 CN 201110102956 CN 201110102956 A CN201110102956 A CN 201110102956A CN 102225859 B CN102225859 B CN 102225859B
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China
Prior art keywords
hydroxyapatite
loaded
baso
nano
pbso
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CN102225859A (en
Inventor
王朝生
王华平
张玉梅
江振林
刘佳林
王琼
方淑英
孔伟
高旭东
季加强
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Donghua University
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Donghua University
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/30—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds
    • C04B26/32—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds containing silicon
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10—Coating or impregnating
    • C04B20/1055—Coating or impregnating with inorganic materials
    • C04B20/107—Acids or salts thereof

Abstract

The invention relates to a paint with radiation protection, flame retardancy, and antibacterial functions and a preparation method thereof, and the paint comprises the following raw materials by weight: 15-35% of tetraethyl orthosilicate, 5-35% of methyl trimethoxysilane, and 30-80% of hydroxyapatite loaded with nanometer PbSO4 and PbSO4; the preparation method comprises the following steps: curing the raw materials of tetraethyl orthosilicate, hydroxyapatite loaded with nanometer PbSO4 and PbSO4, and methyl trimethoxysilane at normal temperature by a gel-sol method to obtain the product. The paint of the invention has the functions of radiation protection, anti-bacteria, bacteriostasis and flame retardancy, and has the advantages of strong adhesion, various functions, wide application scope, etc; the preparation of the paint of the invention has simple process, and convenient construction conditions, is environment-friendly, and causes no pollution.

Description

A kind of coating with radioprotective, fire-retardant, antibacterial and preparation method thereof
Technical field
The invention belongs to functional paint and preparing technical field thereof, particularly a kind of coating with radioprotective, fire-retardant, antibacterial and preparation method thereof.
Background technology
Antiradiation material has become a large problem of current material subject, and along with appearance and the widespread use of various high radiation devices, the research of antiradiation material has caused people's common concern.The Fukushima Nuclear power plants crisis that the Japanese violent earthquake on March 11st, 2011 causes has also caused the worry of people to nuclear radiation; And in people's life, various source of radiation exist, and also force people to the attention of antiradiation material; Radiation is classified as the fourth-largest environomental pollution source after water source, atmosphere, noise by the World Health Organization, becomes the stealth " killer " of harm humans health, and the protection radiation has become the task of top priority.
At present, what radiation shielding coating adopted mostly is to add heavy metal or rare metal powder and oxide compound thereof in coating composition, especially contain the metallic compounds such as Ba, Pb, U, Lu, perhaps adopt composite deposite, the defectives such as but must also bring constructional difficulties, sticking power is inadequate, and the while function is inadequate, thereby radiation shielding coating also only is applied in some special industries and special dimension, and uses less in people's the fields such as life.
Therefore the radiation shielding coating of developing the additional properties that have other concurrently becomes the task of top priority; Radiation shielding coating with other additional properties can satisfy the basic function of coating, widens again its Application Areas, meets also that coating is multi-functional, the requirement of multi-field development.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of coating with radioprotective, fire-retardant, antibacterial and preparation method thereof, and this paint adhesion is strong, function is many, applied range, and the preparation technology of this coating is simple, and execution conditions are convenient, and are environment friendly and pollution-free.
A kind of coating with radioprotective, fire-retardant, antibacterial of the present invention, its raw material forms and comprises by weight percentage:
Tetraethoxy 15～35%,
Methyltrimethoxy silane 5～35%,
Loaded with nano PbSO 4And PbSO 4The hydroxyapatite surplus.
Described loaded with nano PbSO 4And PbSO 4The particle diameter of hydroxyapatite be 10～500nm.
A kind of preparation method with coating of radioprotective, fire-retardant, antibacterial of the present invention comprises:
With tetraethoxy, methyltrimethoxy silane, loaded with nano PbSO 4And BaSO 4Hydroxyapatite as raw material, solidify at normal temperatures by the gel-sol method, namely get have radioprotective, the coating of fire-retardant, antibacterial, wherein the weight percent of tetraethoxy is 15～35%, the weight percent of methyltrimethoxy silane is 5～35%, and all the other are loaded with nano PbSO 4And BaSO 4Hydroxyapatite.
Described loaded with nano PbSO 4And BaSO 4The preparation method of hydroxyapatite be: be the hydroxyapatite of the high efficiency of additive capability of 10～500nm with particle diameter, after activating under 400～900 ℃ of conditions, adsorb with static state or dynamic adsorption method the solution that contains the solution of Pb (II) or contain Ba (II) again, use vitriolization after dry, obtain loaded with nano PbSO 4Hydroxyapatite or loaded with nano BaSO 4Hydroxyapatite; At last with the load P bSO of above-mentioned gained 4Hydroxyapatite and load BaSO 4Hydroxyapatite mix by weight 0.5～1.5: 1, namely get loaded with nano PbSO 4And BaSO 4Hydroxyapatite material.
The solution of the described Pb of containing (II) is PbCl 2, Pb (NO 3) 2In one or more; Containing Ba (II) solution is Ba (OH) 2, BaCl 2, Ba (NO 3) 2One or more in solution.
In the solution of the described Pb of containing (II), the concentration of Pb (II) is 0.05～5mol/L, and the concentration that contains Ba (II) in Ba (II) solution is 0.05～5mol/L.
The mol ratio 1: 1～1: 3 of hydroxyapatite and the middle metal ion of the solution that contains Pb (II) or Ba (II) in described static state or dynamic adsorption; Metal ion is Pb or Ba ion.
The concentration of described sulfuric acid is 0.1～5mol/L.
The coating of the present invention's preparation can be used as building coating material, and the devices such as metal, woodenware, pottery need to carry out the coating of radioprotective processing or antibiotic, antibacterial and anti-flaming function.
A kind of have radioprotective, fire-retardant, antibacterial coating of the present invention, adopt the large specific surface area of hydroxyapatite, efficient absorption property, Ba in solution (II) and Pb (II) are carried out dynamically or Static Adsorption, make Ba (II) and Pb (II) be fixed on micropore and the surface thereof of hydroxyapatite, then generate by acid treatment χ ray, neutron ray are had the high efficient protected function, have simultaneously the loaded with nano PbSO of the function such as fire-retardant, antibiotic 4, BaSO 4Hydroxyapatite, then with loaded with nano PbSO 4, BaSO 4Hydroxyapatite, silicone compound raw material, adopt to solidify under the method normal temperature of gel-sol to make required coating.
Beneficial effect:
(1) coating of the present invention has radioprotective, the function such as antibiotic, antibacterial and fire-retardant, has strong adhesion, function is many, the advantages such as applied range.
(2) coating preparation technique of the present invention is simple, and execution conditions are convenient, and are environment friendly and pollution-free.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiment 1
Take 500g at the hydroxyapatite of 800 ℃ of high-temperature calcinations, put into the BaCl of 10L 0.5mol/L 2Solution in, adopt the method for Static Adsorption, at 35 ℃, filter after absorption 1.5h, then put into the H of 0.5mol/L 2SO 4Dipping 30min refilters, and oven dry namely gets load BaSO 4Hydroxyapatite;
Take again 500g at the hydroxyapatite of 800 ℃ of high-temperature calcinations, put into the PbCl of 10L 0.5mol/L 2Solution in, adopt the method for Static Adsorption, at 40 ℃, filter after absorption 1.0h, then put into the H of 0.5mol/L 2SO 4Dipping 30min refilters, and oven dry namely gets load P bSO 4Hydroxyapatite;
The ratio of 1: 0.5 is load BaSO by weight 4Hydroxyapatite and load P bSO 4Hydroxyapatite mix, then feed intake by following component:
Figure BDA0000056929200000031
Aqueous ethanolic solution take 30% is solvent, and raw material at basket-type grinder high speed mixed grinding 12h, is made required gel-sol, then smears ambient cure and obtains required coating.
The coating of the present invention's preparation can be used as building coating material, the devices such as metal, woodenware, pottery need to carry out the coated material of radioprotective processing or antibacterial, antibiotic and anti-flaming function, have strong adhesion, function is complete, applied range, preparation technology is simple, the characteristics such as execution conditions are convenient, and are environment friendly and pollution-free.

Claims (7)

1. coating with radioprotective, fire-retardant, antibacterial, its raw material forms and comprises by weight percentage:
Tetraethoxy 15～35%,
Methyltrimethoxy silane 5～35%,
Loaded with nano PbSO 4And BaSO 4The hydroxyapatite surplus;
Described loaded with nano PbSO 4And BaSO 4The preparation method of hydroxyapatite be: be the hydroxyapatite of 10～500nm with particle diameter, after activating under 400～900 ℃ of conditions, then contain Pb with static state or the absorption of dynamic adsorption method 2+Solution or contain Ba 2+Solution, uses vitriolization after dry, obtain loaded with nano PbSO 4Hydroxyapatite or loaded with nano BaSO 4Hydroxyapatite; At last with the load P bSO of above-mentioned gained 4Hydroxyapatite and load BaSO 4Hydroxyapatite mix by weight 0.5～1.5:1, namely get loaded with nano PbSO 4And BaSO 4Hydroxyapatite material.
2. a kind of coating with radioprotective, fire-retardant, antibacterial according to claim 1, is characterized in that: described loaded with nano PbSO 4And BaSO 4The particle diameter of hydroxyapatite be 10～500nm.
3. preparation method with coating of radioprotective, fire-retardant, antibacterial comprises:
With tetraethoxy, methyltrimethoxy silane, loaded with nano PbSO 4And BaSO 4Hydroxyapatite as raw material, solidify at normal temperatures by the gel-sol method, namely get have radioprotective, the coating of fire-retardant, antibacterial, wherein the weight percent of tetraethoxy is 15～35%, the weight percent of methyltrimethoxy silane is 5～35%, and all the other are loaded with nano PbSO 4And BaSO 4Hydroxyapatite; Wherein said loaded with nano PbSO 4And BaSO 4The preparation method of hydroxyapatite be: be the hydroxyapatite of 10～500nm with particle diameter, after activating under 400～900 ℃ of conditions, then contain Pb with static state or the absorption of dynamic adsorption method 2+Solution or contain Ba 2+Solution, uses vitriolization after dry, obtain loaded with nano PbSO 4Hydroxyapatite or loaded with nano BaSO 4Hydroxyapatite; At last with the load P bSO of above-mentioned gained 4Hydroxyapatite and load BaSO 4Hydroxyapatite mix by weight 0.5～1.5:1, namely get loaded with nano PbSO 4And BaSO 4Hydroxyapatite material.
4. a kind of preparation method with coating of radioprotective, fire-retardant, antibacterial according to claim 3, is characterized in that: the described Pb of containing 2+Solution be PbCl 2, Pb (NO 3) 2In one or more; Contain Ba 2+Solution is Ba (OH) 2, BaCl 2, Ba (NO 3) 2One or more in solution.
5. according to claim 3 or 4 described a kind of preparation methods with coating of radioprotective, fire-retardant, antibacterial, is characterized in that: the described Pb of containing 2+Solution in Pb 2+Concentration be 0.05～5mol/L, contain Ba 2+Ba in solution 2+Concentration be 0.05～5mol/L.
6. a kind of preparation method with coating of radioprotective, fire-retardant, antibacterial according to claim 3 is characterized in that: in described static state or dynamic adsorption hydroxyapatite with contain Pb 2+Or Ba 2+The mol ratio 1:1～1:3 of middle metal ion of solution.
7. a kind of preparation method with coating of radioprotective, fire-retardant, antibacterial according to claim 3, it is characterized in that: the concentration of described sulfuric acid is 0.1～5mol/L.
CN 201110102956 2011-04-22 2011-04-22 Paint with radiation protection, flame retardancy, and antibacterial functions and preparation method thereof Expired - Fee Related CN102225859B (en)

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Publication number Priority date Publication date Assignee Title
CN105969196B (en) * 2016-06-03 2018-04-03 中国科学院上海硅酸盐研究所 Hydroxyapatite overlong nanowire composite flame-proof damping paint
CN112939565A (en) * 2021-04-01 2021-06-11 武汉帅麟科技有限公司 Geopolymer light mortar and preparation method and application thereof
CN113683909B (en) * 2021-09-02 2022-07-12 上海大学 Nano bismuth oxide anti-radiation ceramic coating, preparation method and application
CN113802407A (en) * 2021-09-23 2021-12-17 福建农林大学 Preparation method of radiation refrigeration paper

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1687261A (en) * 2005-04-28 2005-10-26 上海交通大学 Antibacterial, anti electromagnetic radiant interior wall coating with formaldehyde being removed
CN1902288A (en) * 2003-12-30 2007-01-24 Posco公司 Paint composition improved far-infrared radiation, antibiosis and solvent resistance, and precoated metal sheet coated the same
CN101323721A (en) * 2008-08-06 2008-12-17 方增伦 Nanometer silver carbon based inner wall prime

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Publication number Priority date Publication date Assignee Title
JPH04248877A (en) * 1991-01-25 1992-09-04 Matsushita Electric Works Ltd Coating material for ultraviolet reflection

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1902288A (en) * 2003-12-30 2007-01-24 Posco公司 Paint composition improved far-infrared radiation, antibiosis and solvent resistance, and precoated metal sheet coated the same
CN1687261A (en) * 2005-04-28 2005-10-26 上海交通大学 Antibacterial, anti electromagnetic radiant interior wall coating with formaldehyde being removed
CN101323721A (en) * 2008-08-06 2008-12-17 方增伦 Nanometer silver carbon based inner wall prime

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Title
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Inventor after: Wang Chaosheng

Inventor after: Ji Jiaqiang

Inventor after: Wang Huaping

Inventor after: Zhang Yumei

Inventor after: Jiang Zhenlin

Inventor after: Liu Jialin

Inventor after: Wang Qiong

Inventor after: Fang Shuying

Inventor after: Kong Wei

Inventor after: Gao Xudong

Inventor before: Wang Chaosheng

Inventor before: Wang Huaping

Inventor before: Zhang Yumei

Inventor before: Jiang Zhenlin

Inventor before: Liu Jialin

Inventor before: Wang Qiong

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: WANG CHAOSHENG WANG HUAPING ZHANG YUMEI JIANG ZHENLIN LIU JIALIN WANG QIONG TO: WANG CHAOSHENG WANG HUAPING ZHANG YUMEI JIANG ZHENLIN LIU JIALIN WANG QIONG FANG SHUYING KONG WEI GAO XUDONG JI JIAQIANG

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