WO2015137840A1 - Procédé d'obtention de peinture écologique à base d'eau présentant une absorption augmentée de substances nocives de l'air pour une utilisation intérieure - Google Patents

Procédé d'obtention de peinture écologique à base d'eau présentant une absorption augmentée de substances nocives de l'air pour une utilisation intérieure Download PDF

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Publication number
WO2015137840A1
WO2015137840A1 PCT/RS2015/000007 RS2015000007W WO2015137840A1 WO 2015137840 A1 WO2015137840 A1 WO 2015137840A1 RS 2015000007 W RS2015000007 W RS 2015000007W WO 2015137840 A1 WO2015137840 A1 WO 2015137840A1
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WO
WIPO (PCT)
Prior art keywords
natural
increased absorption
based paint
obtaining
dispersant
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PCT/RS2015/000007
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English (en)
Inventor
Vojislav Vasović
Original Assignee
Vojislav Vasović
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Application filed by Vojislav Vasović filed Critical Vojislav Vasović
Publication of WO2015137840A1 publication Critical patent/WO2015137840A1/fr

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Classifications

    • 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
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical

Definitions

  • the invention generally belongs to the field of disinfectants, and more precisely it refers to a process for obtaining water-based paint intended for application to the indoor surfaces, which reduces the harmful influence of toxic elements, radiation, odors, bacteria and viruses.
  • Paints for protection and decoration of walls and ceilings of indoor spaces are generally composed of a single polymer or a copolymer, one or more pigment-fillers, water and auxiliary agents.
  • This technology is worldwide applied for a long period of time to a large extent. With constant technology improvements, significant changes of technology in this area were introduced. In addition to quality improvements, these changes were in large number made in order to raise the level of ecological acceptability, with an emphasis on the use of raw materials with a minimum content of volatile organic compounds (VOC). In some cases, various components were added to these paints in order to achieve active effects, such as: protection against mold, algae, moisture and similar.
  • VOC volatile organic compounds
  • Natural zeolites have very strong affinity to heavy metals such as: lead, cadmium, mercury, arsenic, chromium, zinc, copper and others, radioactive elements and specially to cesium, stronicium and uranium, harmful gases such as: ammonia, formaldehyde, benzene as well as bacteria and viruses, all because of their specific tetrahedral structure with big share of internal micro porosity. The most important is that these elements remain permanently binded to the structure of natural zeolites, because the process of ion exchange in them is irreversible.
  • Bentonite and Diatomite as co-agents in this invention have similar effect, but their function here is primarily absorption of heavy metals, although it is not limited to it.
  • Titan dioxide anatase type in nano particles
  • it also has a function of synergistic effect amplifier, with the remark that for it's activity, initiator in the form of daylight is required.
  • Barium sulfate is a known radiation inhibitor which is possible because of the specific size of it's core.
  • Synthetic zeolites, types A, X and Y, also known for their affinity to the gases, in this invention have synergic function with natural zeolites.
  • Active substances that are the essence of the present invention are: - Natural zeolites, such as: clinoptilolite, heulandite, mordenite, natrolite and analcium and others from the group,
  • Main ingredients in this invention are natural zeolites and their mixtures. For the purpose of this invention, they have to be specially treated, and prepared to maximize their effect.
  • amount of natural zeolites and/or their mixtures may be from 5 to 35 percent by weight, for example 8 to 15 percent by weight.
  • Natural zeolites must be selected according to strict criteria such as: the percentage of content of basic mineral in it shall not be less than 85% and it is desirable to be up to 92%. Thus, zeolite clinoptilolite must have at least 85% of pure clinoptilolite mineral. This principle stands for all natural zeolites which are listed as the main active ingredients (raw materials).
  • natural zeolites must be selected by the cation exchange capacity (CEC), which shall not be less than 165, and it is desirable to be 190. Further, natural zeolites must be selected by the content of heavy metals inside, that must be minimal: from 0.01 ppm to 3 ppm when it comes to most toxic heavy metals, while others can be present in larger quantities. The purpose of this is maximum absorption of those heavy metals from the air. Furthermore, natural zeolites must be selected by color. The most acceptable are light gray, light brown and light green. By fine shredding, colors become even lighter, which is of great importance when shading the final product.
  • CEC cation exchange capacity
  • First phase in the process of obtaining the subject mixtures is granulating and polyphase treatment of natural zeolites. Granulation is carried out so that the granules are from 0.2 to 20 microns, i.e. that their average value is D 50 (or X50) in the range from 0.5 to 1.0 microns. This Is Important In order to achieve as high specific surface area m 2 /g as possible, resulting in extraordinary increase of absorbing capabilities.
  • Polyphase way of processing consists of a chemical treatment in a reactor under the influence of selected tetraacetic acids and drying by spray drying system, achieving reduction of the content of the above mentioned heavy metals.
  • Next phase of preparation in obtaining the subject mixture comprises tribomechanical micronization and activation and it takes place in a specially designed device and the goal of this phase is that these raw materials have increased negative charge and specific surface area related to structures obtained by conventional grinding.
  • Fourth phase in the process of obtaining the subject mixture comprises: first of all- a sterilizing natural zeolites (or their mixtures) in an autoclave by a steam temperature of minimally 116° to 160°C, and then their vacuum drying, after which they are subjected to thermal activation at the temperature of 290° C.
  • Bentonite aluminum phyllosylicate with dominant content of montmorillonite
  • Diatomite have multiple and synergistic function in this product.
  • Bentonite is powerful inhibitor of organic and inorganic impurities, and, above all, of heavy metals. It has this ability on the basis of extremely porous structure and very low content of heavy metals, so it can inhibit them in very large percentage compared to its mass. It also has the ability to perform absorption of stated microelements in the air with a minimum relative humidity, which significantly helps total synergy of active ingredients in this invention. In addition, it is an excellent adsorbent of harmful gases.
  • the composition is used as a light gray powder, of particle size from 0.2 to 20 microns, where the average value (D50) must be from 0.5 to 1 micron.
  • Representation of bentonite in the composition can be from 0.8 to 2.5 weight percent, e.g. 1 to 1.5 wt%.
  • Diatomite also has a multiple role in this invention. Due to the high content of silicon dioxide (Si0 2 ) and high micro porosity it has excellent absorption capabilities of organic and inorganic impurities. It helps forming quality and waterproof dry film, and at the same time, it is highly vapor permeable. It absorbs sound, insulates heat, increases coating resistance to wear and scratching, speeds up drying. In this invention, it is used as white, finely micronized powder, of particles size from 0.2 to 20 microns, while D50 is from 0.1 to 5 microns. Representation in the composition may be from 0.5 to 3 weight percent, e.g., 1 to 1.5 wt%.
  • it is used in the form of extremely white powder, particle size from 1 to 15 microns, where D90 (size of particles in 90 wt%) is of 2 to 4 microns. Representation in the composition may be from 2 to 10 weight percent e.g., 7 wt%.
  • Synthetic zeolites (types A, X and Y of different aluminum silicate composition) of the present invention have the basic function of the synergistic effect with natural zeolites. This is for distributing the absorption of gases in order for the crystal grids of natural zeolites to preserve bigger capacity to bind heavy metals and other toxic micro elements listed above, having in mind that synthetic zeolites are primarily able to bond gases but not the listed toxic micro elements. However, in this case, they are of considerable benefit in the present invention. For the foregoing reasons, their content in the composition of the invention is lesser. This means that they are contained in the composition in the amount of 1.5 to 5 weight percent, e.g. 2.5 wt . They are used in the form of extremely white fine powder, particle size of 0.2 to 20 microns, while D50 must be from 0.5 to 1 micron.
  • Water which is unlike of conventional colors, for this purpose must be deionized or distilled. Its content in the composition of the present invention may be from 15 to 45 percent by weight e.g. from 18 to 25 wt%.
  • Polymer and copolymer for example pure acrylate, vinyl acrylate, styrene acrylate, or other known for the purpose.
  • Content in the composition can be from 10 to 40 weight percent e.g., 20 to 23 wt%.
  • Titanium dioxide of rutile type has to have the content within the amount in the composition from 8 to 25 weight percent e.g. from 10 to 18 wt%.
  • Calcium carbonate of whitness over 92, particle size from 0.2 to 20 microns, with the desirable D50 from 0.5 to 5 microns, may be contained in the composition in the amount of 5 to 25 weight percent e.g., 7 of 10 wt%.
  • Amount within the composition may be from 2 to 5 percent by weight, e.g., 2.5 to 4 wt%.
  • Additives and special agents which are commercially available and are standards for this type of paints such as: dispersants, anti-foaming agents, pH stabilizers (balancers), biocides, fungicides, algaecides, thickeners (cellulose, acrylic, urethane, and the like.).
  • Dispersants can be contained in the composition in amounts of 0.2 to 1.2 weight percent e.g. 0.3 to 0.6 wt%.
  • Anti-foaming agents can be contained in the composition in amount of 0.1 to 2 percent by weight e.g., 0.5 to 1 wt%.
  • pH stabilizers/balancers can be contained in the composition in amount of 0.1 to 1.5 percent by weight for example. 0.2 to 0.8 wt%.
  • Biocides fungicides and algaecides
  • fungicides and algaecides can be contained in the composition in amount of 0.1 to 1.2 percent by weight e.g. 0.2 to 0.5 wt%.
  • Thickeners can be contained in the composition: cellulose (e.g. Hydroxyethylcellulose HEC) from 0.4 to 1.5 percent by weight e.g., 0.4 to 1 wt%.
  • cellulose e.g. Hydroxyethylcellulose HEC
  • Acrylic or urethane thickeners in the composition can be contained from 0.5 to 0.05 weight percent indivitualy e.g. 0.08 to 0.2 wt%.
  • biocide (benzoisothiazolone) 0.1
  • Insertion of raw materials in the mixer is performed in the order from the table above.
  • the first eleven of these substances are mixed until homogenization for 20 minutes at the speed of 1200 revolutions per minute.
  • raw materials from the number 12 to 20 are added, and mixed like that they undergo further homogenization for 15 minutes at the speed of 650 revolutions per minute.
  • Homogenizer (dissolver) must be such that it's main vessel and shaft are coated with some type of hard resin (epoxy, polyurethane, acrylic, etc.), and the mixer must be of an alloy that does not contain iron in order to avoid disturbance of charge of natural zeolite, bentonite and diatomite.
  • Active ingredients of this invention are fully compatible with the paints based on other types of resin such as alkyd, epoxy, polyurethane and similar and because of this, the author is not limited to water-based paints.
  • the process of preparation of raw materials according to this variation of the solution is as follows: deionized water is added first in the homogenizer, then Ti0 2 anastas (nano particles), dispersant and biocide in correctly measured percentages by weight. That is followed by homogenization for a period of 15-20 min at a rotational speed of 1200 rev/min. Mixture obtained like this is then measured and stored in an appropriate plastic package with the spray.
  • paints in the examples of invention making are given on the water-based paint
  • the subject paint is not limited to it because the active ingredients of the invention are fully compatible with the paints based on other types of resin such as alkyd, epoxy, polyurethane and the like.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treating Waste Gases (AREA)
  • Paints Or Removers (AREA)

Abstract

L'invention concerne un procédé d'obtention de peinture écologique à base d'eau présentant une absorption augmentée de substances nocives pour les espaces intérieurs par addition de zéolites naturelles et synthétiques, réalisé selon l'invention en ce qu'on mélange 24 % en poids de polymère d'acrylate de vinyle, 20,1 % en poids de mélange de dioxyde de titane sous forme rutile (12 % en poids de titane, 8 % en poids d'eau désionisée, 0,1 % en poids de dispersant), 9,1 % en poids d'eau désionisée, 8 % en poids de carbonate de calcium, 2,5 % en poids de talc, 0,2 % en poids de dispersant, 0,3 % en poids d'antimousse, 0,3 % en poids de stabilisateur de pH (solution d'hydroxyde de sodium à 25 % en poids), 0,2 % en poids de biocide (benzo-isothiazolone), 0,9 % en poids d'épaississant (hydroxyéthylcelullose - HEC), 0,1 % en poids d'épaississant (acrylate) avec une solution aqueuse de 10 % en poids de zéolite naturelle (7 % en poids de clinoptilolite, 1,5 % en poids de natrolite, 1,5 % en poids de mordénite), 3 % en poids de zéolite synthétique (Al2O3/SiO2), 1 % en poids de bentonite, 1,5 % en poids de kieselguhr, 6 % en poids de dioxyde de titane sous forme anatase, 2,5 % en poids de sulfate de baryum (BaSO4), 10 % en poids d'eau désionisée, 0,2 % en poids de dispersant, 0,1 % en poids de biocide (benzo-isothiazolone) et on homogénéise à une vitesse de rotation de 1200 t/min.
PCT/RS2015/000007 2014-03-12 2015-03-11 Procédé d'obtention de peinture écologique à base d'eau présentant une absorption augmentée de substances nocives de l'air pour une utilisation intérieure WO2015137840A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RS20140108A RS56124B1 (sr) 2014-03-12 2014-03-12 Postupak dobijanja boje sa povećanom apsorpcijom štetnih supstanci iz vazduha za unutrašnje prostorije
RSP-2014/0108 2014-03-12

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WO2015137840A1 true WO2015137840A1 (fr) 2015-09-17

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108840468A (zh) * 2018-06-19 2018-11-20 温州职业技术学院 一种家具水性漆废水处理装置
WO2019074386A1 (fr) * 2017-10-09 2019-04-18 Bucuresteanu Razvan Catalin Procédé photocatalytique pour la désinfection de surfaces intérieures
CN109651913A (zh) * 2019-01-15 2019-04-19 湖南康瑞涂料科技有限公司 一种水基涂料组合物
CN111320888A (zh) * 2020-03-25 2020-06-23 广东长鑫环保科技有限公司 一种具有清除病毒和细菌功能的负离子涂料制作方法
CN112322187A (zh) * 2020-11-09 2021-02-05 蒋思前 一种车用负氧离子喷涂剂的制作方法
CN112430407A (zh) * 2020-11-14 2021-03-02 广东薇氧生态科技有限公司 一种具有净化空气释放负离子作用的材料及其制备方法和在涂料中的应用
CN112759954A (zh) * 2021-03-02 2021-05-07 深圳市海龟梦新能源科技环保材料有限公司 一种环保型硅藻泥外墙涂料及其制备方法
CN112852232A (zh) * 2021-01-15 2021-05-28 吉林省春之元硅藻新材料科技有限公司 一种珠光粉改性的水性硅藻泥涂料及其制备方法
CN113549376A (zh) * 2020-04-23 2021-10-26 浙江纳壹环境科技有限公司 无光触媒纳米清洁空气的负氧离子涂料及其制备方法
CN114516746A (zh) * 2022-03-31 2022-05-20 黄伟 一种防辐射硅藻板材及其制备方法

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Publication number Priority date Publication date Assignee Title
CN1962776A (zh) 2005-11-07 2007-05-16 宋金强 一种复合空气净化涂料
US20070237738A1 (en) * 2006-04-04 2007-10-11 The Sherwin-Williams Company Low Odor Latex Paint Capable of Reducing Interior Odors
CN101381543A (zh) 2008-10-16 2009-03-11 中山华兹卜化学工业有限公司 一种纳米负离子墙面漆
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CN102604491A (zh) 2012-03-09 2012-07-25 东莞大宝化工制品有限公司 一种调湿内墙乳胶漆
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019074386A1 (fr) * 2017-10-09 2019-04-18 Bucuresteanu Razvan Catalin Procédé photocatalytique pour la désinfection de surfaces intérieures
CN108840468A (zh) * 2018-06-19 2018-11-20 温州职业技术学院 一种家具水性漆废水处理装置
CN109651913A (zh) * 2019-01-15 2019-04-19 湖南康瑞涂料科技有限公司 一种水基涂料组合物
CN111320888A (zh) * 2020-03-25 2020-06-23 广东长鑫环保科技有限公司 一种具有清除病毒和细菌功能的负离子涂料制作方法
CN113549376A (zh) * 2020-04-23 2021-10-26 浙江纳壹环境科技有限公司 无光触媒纳米清洁空气的负氧离子涂料及其制备方法
CN112322187A (zh) * 2020-11-09 2021-02-05 蒋思前 一种车用负氧离子喷涂剂的制作方法
CN112430407A (zh) * 2020-11-14 2021-03-02 广东薇氧生态科技有限公司 一种具有净化空气释放负离子作用的材料及其制备方法和在涂料中的应用
CN112430407B (zh) * 2020-11-14 2023-08-18 广东薇氧生态科技有限公司 一种具有净化空气释放负离子作用的材料及其制备方法和在涂料中的应用
CN112852232A (zh) * 2021-01-15 2021-05-28 吉林省春之元硅藻新材料科技有限公司 一种珠光粉改性的水性硅藻泥涂料及其制备方法
CN112759954A (zh) * 2021-03-02 2021-05-07 深圳市海龟梦新能源科技环保材料有限公司 一种环保型硅藻泥外墙涂料及其制备方法
CN114516746A (zh) * 2022-03-31 2022-05-20 黄伟 一种防辐射硅藻板材及其制备方法

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RS20140108A1 (en) 2015-10-30

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