CN103131326B - A kind of collocation method of radiation shielding coating - Google Patents

A kind of collocation method of radiation shielding coating Download PDF

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Publication number
CN103131326B
CN103131326B CN201310056370.2A CN201310056370A CN103131326B CN 103131326 B CN103131326 B CN 103131326B CN 201310056370 A CN201310056370 A CN 201310056370A CN 103131326 B CN103131326 B CN 103131326B
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Prior art keywords
powder
coating
radiation shielding
titanium dioxide
starch
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Expired - Fee Related
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CN201310056370.2A
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CN103131326A (en
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王创标
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GUANGDONG BIAOPAI CHEMICAL TECHNOLOGY Co Ltd
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GUANGDONG BIAOPAI CHEMICAL TECHNOLOGY Co Ltd
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Abstract

The present invention is applicable to antiradiation material preparation field, be specifically related to a kind of radiation shielding coating collocation method, described method comprises: add water talcum powder, lime powder, porous-starch, titanium dioxide, silica powder, ground barium sulfate, epoxy modified silicone resin powder and poly carboxylic acid sodium dispersion agent, thickening material, defoamer, coupling agent mixing; Described mixture is stirred at the temperature of 80-90 DEG C, adds benzene emulsion after cooling and fully mix thoroughly.Paint preparation technology of the present invention is simple, and cost is low, safety non-toxic, stable performance, is easy to transport and stores, when smear layer thickness reaches 12mm, protective value is 1.53mmpb, has very strong resistibility to X, gamma-rays, also has good shielding protection function to building masonry wall.

Description

A kind of collocation method of radiation shielding coating
Technical field
The invention belongs to antiradiation material preparation field, be specifically related to a kind of collocation method of radiation shielding coating.Background technology
Along with the development of society, more and more modernization, radiotechnology in a lot of fields such as national defence, medical science, industry, agricultural etc. is widely used.The application one side science and technology of radiotechnology and the embodiment of Economic development, and radiation can to the healthy infringement caused in various degree of people on the other hand, especially X and gamma-rays is employed maximum ionizing rayss, is also the greatest irradiation source of jeopardizing HUMAN HEALTH.It all has very strong penetration power, can through the construction wall of general thickness.One of method preventing radiation is that body of wall is thickeied, but can waste building cost like this, ties up space, and uses radiation shielding coating to be optimal approach to construction wall.Have both at home and abroad at present and adopt stereotype, barium cement layer or composite protective plate to protect, but all there is defect in various degree in these materials, as bad adhesion, easily stitch Lous, easily chap, easily come off.Existing radiation shielding coating, filling anti-radiation material mostly containing the harmful toxic matter exceeded standard, as formaldehyde, volatile organic compounds, lead etc.
Summary of the invention
The embodiment of the present invention provides a kind of collocation method of radiation shielding coating, is intended to solve existing radiation shielding coating, the problem of filling anti-radiation material mostly containing the harmful toxic matter exceeded standard.
The embodiment of the present invention is achieved in that a kind of collocation method of radiation shielding coating, and described method comprises the steps:
Add water talcum powder, lime powder, porous-starch, titanium dioxide, silica powder, ground barium sulfate, epoxy modified silicone resin powder and poly carboxylic acid sodium dispersion agent, thickening material, defoamer, coupling agent mixing;
Described mixture is stirred at the temperature of 80-90 DEG C, adds benzene emulsion after cooling and fully mix thoroughly.
Embodiment of the present invention Paint preparation technology is simple, and cost is low, safety non-toxic, stable performance, is easy to transport and stores, when smear layer thickness reaches 12mm, protective value is 1.53mmpb, has very strong resistibility to X, gamma-rays, also has good shielding protection function to building masonry wall.
Accompanying drawing explanation
Fig. 1 represents the realization flow figure of a kind of radiation shielding coating collocation method that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 shows the realization flow of a kind of radiation shielding coating collocation method that the embodiment of the present invention provides, and details are as follows:
In step S101, add water talcum powder, lime powder, porous-starch, titanium dioxide, silica powder, ground barium sulfate, epoxy modified silicone resin powder and poly carboxylic acid sodium dispersion agent, thickening material, defoamer, coupling agent mixing;
In embodiments of the present invention, the performance of main raw material is as follows:
1, epoxy modified silicone resin: epoxy modified silicone resin integrates epoxy resin and silicone resin good characteristic, be used widely because it has the performance such as good mechanical property and excellent thermostability, non-corrosibility, electrical insulating property, resistant of high or low temperature, Inverter fed motor, radiation hardness, humidity and resistant to chemical media, become in speciality coating and use one of maximum, range of application is the widest Special Resin kind;
2, porous-starch: have another name called micropore starch is a kind of novel modified starch, it be there is uncooked amylum enzyme activity enzyme at the porousness cellular products formed lower than acting on uncooked amylum under gelatinization point.Micropore starch surface is covered with the aperture that diameter is about 1 μm, and by surface to center deeply, the volume in hole accounts for about 50% of particle volume to aperture.By natural uncooked amylum after the outer reason of hydrolysis, forming aperture on its material surface, and extend to granule interior, is a kind of hollow particle of similar hornet's nest shape, can the various material of splendid attire in wherein, there is good adsorptivity;
3, ground barium sulfate: have another name called native sulfate of barium, product is mainly used in the weighting agent of oil and gas well drilling mud, produces zinc sulfide white or is used for the industry such as medical science, nuclear industry, car brakeing material, strap, high-grade paint, hospital's radioprotective Gravity Wall as the screener of X-ray.
4, titanium dioxide: titanium dioxide (titanium dioxide) stable chemical nature, does not react with most of material in the ordinary course of things.Three kinds of crystallizations are had: plate titanium-type, sharp titanium and rutile-type at occurring in nature titanium dioxide.Plate titanium-type is unstable crystal formation, without industrial utility value, anatase titanium dioxide is called for short A type, R type is called for short with rutile-type, all there is stable lattice, be important white pigment and porcelain glaze, comparing with other white pigments has superior whiteness, tinting strength, opacifying power, weathering resistance, thermotolerance and chemical stability, does not particularly have toxicity.Titanium dioxide is considered to a kind of white pigment that performance is best in the world at present, is widely used in the industry such as coating, plastics, papermaking, printing-ink, chemical fibre, rubber, makeup.
5, talcum powder: main component is the moisture Magnesium Silicate q-agent of talcum, and talcum belongs to oblique system.Crystal is the sheet of false six sides or rhombus, accidental.Be generally fine and close bulk, foliated lamellar, radial, fibrous agrregate.Water white transparency or white, but because presenting light green, pale yellow, shallow palm fibre even light red containing a small amount of impurity; In pearliness in cleavage surface.Hardness l, proportion 2.7 ~ 2.8.For rubber, plastics, paint, etc. chemical industry as strengthening upgrading weighting agent.Feature: increase the stable of shape of product, increases tensile strength, shearing resistance, flexing intensity, pressure intensity, reduces distortion, extension rate, thermal expansivity, whiteness is high, the dispersed feature such as by force of epigranular.
6, lime powder (calcium carbonate): calcium carbonate can be used as white pigment in coating, play a kind of skeleton function, calcium carbonate can be used as pigment extender in coatings industry.Because calcium carbonate color is white, relative latex in coating, solvent price is all cheap, and particle is thin, can be dispersed in coating, so be a large amount of pigment extenders used.Due to the raising of environmental consciousness, coating use coating in a large number in building, because calcium carbonate is that white is hydrophilic again, price is cheap again, so obtain application.Inserting of calcium carbonate can strengthen priming paint to the deposition of substrate surface and perviousness.In coating, putty is used to fill and lead up basal plane, it is the middle layer of overall coating, no matter any putty all needs to add mass filler, filler body in putty is water-ground limestone, adding some lithopones more on a small quantity prevents enamelled coating loose to increase viscosity, suitably adds precipitated chalk so that polishing after dry simultaneously.
7, silica powder: also known as silicon powder.Silica powder is a kind of mineral of hard, wear-resisting, stable chemical performance, and its main mineral constituent is quartz, and its main chemical compositions is SiO 2the color of quartz sand is oyster white or semi-transparent clear shape, hardness 7, and property is crisp without cleavage, conchoidal fracture, oily luster, density is 2.65, tap density (20-200 order is 1.5), its chemistry, calorifics and mechanical property have obvious anisotropy, be insoluble to acid, time more than 160 DEG C, be dissolved in NaOH, KOH aqueous solution, fusing point 1650 DEG C.The quartzite gone out from mining is after processing, and the product of general granularity on 120 mesh sieves claims quartz sand.The product crossing 120 mesh sieves is called silica powder.Quartzite is used for coating, can improve the weathering resistance of coating.
8, benzene emulsion: benzene emulsion (styrene-acrylate emulsion) is obtained through emulsion copolymerization by vinylbenzene and acrylate monomer.Benzene emulsion studies more system in letex polymerization, and there are one of ten of essential industry using value large non-crosslinked type emulsions the Ye Shi world today.Benzene emulsion, as the important middle Chemicals of a class, has purposes widely, is now mainly used as building coating, metallic surface latex coating, floor coating, paper adhesives, tackiness agent etc.
In step s 102, mixture is stirred at the temperature of 80-90 DEG C, add benzene emulsion after cooling and fully mix thoroughly.
Embodiment two
In embodiments of the present invention, get ready talcum powder 1Kg, lime powder 1Kg, porous-starch 3Kg, titanium dioxide o.6Kg, silica powder 1.5Kg, ground barium sulfate 3Kg, epoxy modified silicone resin powder 3.5Kg, poly carboxylic acid sodium dispersion agent 0.03Kg, thickening material 0.05Kg, defoamer 0.02Kg, coupling agent 0.1Kg, water 7Kg, all raw materials are mixed, stir 10 minutes at 80 DEG C of temperature, cooling, add benzene emulsion 1Kg to stir, obtain environmental protection radiation shielding coating.
Embodiment three
In embodiments of the present invention, talcum powder 0.8Kg, lime powder 1.2Kg, porous-starch 4Kg, titanium dioxide 0.5Kg, silica powder 1.5Kg, ground barium sulfate 3Kg, epoxy modified silicone resin powder 4Kg, poly carboxylic acid sodium dispersion agent 0.05Kg, thickening material 0.08Kg, defoamer 0.03Kg, coupling agent 0.08Kg is got ready; Water 6Kg, mixes all raw materials, stirs 10 minutes at 80 DEG C of temperature, and cooling, adds benzene emulsion 1.2Kg and stir, obtain environmental protection radiation shielding coating.
Embodiment of the present invention Paint preparation technology is simple, and cost is low, safety non-toxic, stable performance, is easy to transport and stores, when smear layer thickness reaches 12mm, protective value is 1.53mmpb, has very strong resistibility to X, gamma-rays, also has good shielding protection function to building masonry wall.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (1)

1. a collocation method for radiation shielding coating, is characterized in that, said method comprising the steps of:
Add water talcum powder, lime powder, porous-starch, titanium dioxide, silica powder, ground barium sulfate, epoxy modified silicone resin powder and poly carboxylic acid sodium dispersion agent, thickening material, defoamer, coupling agent mixing;
Described mixture is stirred at the temperature of 80-90 DEG C, add benzene emulsion after cooling and fully mix thoroughly, the main combination raw material of described coating by weight ratio number is talcum powder 6-10, lime powder 10-15, porous-starch 30-43, titanium dioxide 4-7, silica powder 12-20, ground barium sulfate 25-33, epoxy modified silicone resin powder 32-42, benzene emulsion 10-12, poly carboxylic acid sodium dispersion agent 0.3-1, thickening material 0.2-0.8, defoamer 0.1-0.5, coupling agent 0.7-1.5, described in add water amount account for the 1/3-1/2 of coating weight.
CN201310056370.2A 2013-02-22 2013-02-22 A kind of collocation method of radiation shielding coating Expired - Fee Related CN103131326B (en)

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CN103131326B true CN103131326B (en) 2015-11-25

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CN103525153B (en) * 2013-10-09 2016-01-20 三棵树涂料股份有限公司 Radiation-proof putty powder and preparation method thereof
CN103555071A (en) * 2013-10-30 2014-02-05 张洪男 Radiation-proof coating and preparation method thereof
CN105440940A (en) * 2015-12-25 2016-03-30 惠州中铼环保科技有限公司 Water-based paint for exterior wall of balcony
CN106283676A (en) * 2016-08-17 2017-01-04 颍上县亿达帐蓬有限公司 A kind of UV resistance, radioprotective canvas tent fabric and preparation method thereof
CN106892626A (en) * 2017-04-20 2017-06-27 荣延洲 A kind of thermal insulation coatings of utilization hollow glass micropearl and preparation method thereof
CN111532538B (en) * 2020-05-07 2021-08-20 王有为 Anti-radiation anti-ultraviolet wear-resistant packaging box and preparation method thereof
CN115707747A (en) * 2022-11-29 2023-02-21 广西标牌化学科技有限公司 Waterproof slurry with strong adhesive force and preparation method thereof

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Publication number Priority date Publication date Assignee Title
US20100092686A1 (en) * 2007-04-27 2010-04-15 Nora Laryea Method for the production of a coating material
CN102321410A (en) * 2011-07-27 2012-01-18 甘肃圣邦新材料有限公司 Composite modified starch environmentally-friendly interior wall coating and preparation method thereof
CN102391779A (en) * 2011-09-29 2012-03-28 资阳赛特化工有限公司 Metal base material corrosion-resistant coating and preparation method thereof
CN102585697A (en) * 2012-02-21 2012-07-18 广州秀珀化工股份有限公司 Nuclear radiation-resistant coating and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100092686A1 (en) * 2007-04-27 2010-04-15 Nora Laryea Method for the production of a coating material
CN102321410A (en) * 2011-07-27 2012-01-18 甘肃圣邦新材料有限公司 Composite modified starch environmentally-friendly interior wall coating and preparation method thereof
CN102391779A (en) * 2011-09-29 2012-03-28 资阳赛特化工有限公司 Metal base material corrosion-resistant coating and preparation method thereof
CN102585697A (en) * 2012-02-21 2012-07-18 广州秀珀化工股份有限公司 Nuclear radiation-resistant coating and preparation method thereof

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