JP2006117771A - Coating material composition - Google Patents

Coating material composition Download PDF

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JP2006117771A
JP2006117771A JP2004306047A JP2004306047A JP2006117771A JP 2006117771 A JP2006117771 A JP 2006117771A JP 2004306047 A JP2004306047 A JP 2004306047A JP 2004306047 A JP2004306047 A JP 2004306047A JP 2006117771 A JP2006117771 A JP 2006117771A
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fine powder
tourmaline
raw material
titanium dioxide
rare earth
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JP3677768B1 (en
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Hidetoshi Haraki
英俊 原木
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BIOCERA KK
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Abstract

<P>PROBLEM TO BE SOLVED: To obtain a functional coating material composition for building materials, or the like, deodorizing and decomposing ammonia smell, formaldehyde, or the like, and preventing the emergence of fungi by continuing the generation of a large amount of anions in day and night, especially in the night. <P>SOLUTION: This coating material composition for the building materials contains a mixed fine powder comprising fine powder of tourmaline and a raw material ore powder of zirconium oxide containing lanthanide rare earth elements, and titanium dioxide having photocatalytic activities. The composition provides the deodorant effects and antimicrobial effects by accelerating the generating rate of the anions and increasing the generated amount even in a dark place. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、室内建築物のアルデヒド類やアンモニア臭等の消臭作用と抗菌作用を有する、建材用等の塗料組成物に関する。   The present invention relates to a coating composition for building materials, which has a deodorizing action and an antibacterial action such as aldehydes and ammonia odor of indoor buildings.

近年、人間の生活環境を向上するため、室内の脱臭性、抗菌性が求められ、コロナ放電や電子ビームを用いたマイナスイオンによる空気清浄機や、抗菌作用を発生する素材ないし、マイナスイオンを発生する粉末を練り込んだ塗料等による数多くの発明がなされている。   In recent years, indoor deodorization and antibacterial properties have been required to improve the human living environment, and air cleaners using negative ions using corona discharge and electron beams, materials that generate antibacterial action, and negative ions are generated. Many inventions have been made with paints and the like in which powders to be kneaded are kneaded.

特許文献1には、光触媒活性を有する酸化チタン微粒子が分散されたシリカの膜であって、且つ多孔質構造を有していることを特徴とする建材用塗膜が記載され、該塗膜は抗菌、防汚、消臭機能を有する点が記載されている。   Patent Document 1 describes a coating film for building materials, which is a silica film in which titanium oxide fine particles having photocatalytic activity are dispersed and has a porous structure. It describes that it has antibacterial, antifouling, and deodorizing functions.

また、特許文献2には、導電性を有するバインダーに、ガーネットと鉱物焼成酸化物の混合微粉末からなる陰イオンを発生する鉱物を微細粉末化して混合させてなり、コーティング層の状態において定常的に陰イオンを放出することを特徴とする液状組成物が記載され、該組成物は、空気清浄効果、風味改質効果、消臭効果などを有する点が記載されている。   Patent Document 2 discloses that a conductive binder is made by finely mixing a mineral that generates anions made of a mixed fine powder of garnet and a mineral calcined oxide and is mixed in a state of a coating layer. Describes a liquid composition characterized by releasing an anion, and the composition has an air cleaning effect, a flavor modification effect, a deodorizing effect, and the like.

しかしながら、特許文献1記載の酸化チタンを用いた光触媒作用は、太陽光線や人工の紫外線を含む光線を必要とするため、室内のかくれた壁面や床、夜間の光源のない状態では、十分な光触媒効果は発揮できない。   However, the photocatalytic action using titanium oxide described in Patent Document 1 requires light rays including sunlight and artificial ultraviolet rays, so that a sufficient photocatalyst can be used in a state where there are no hidden wall surfaces or floors in the room or a light source at night. The effect cannot be demonstrated.

また、特許文献2記載のガーネットと鉱物焼成酸化物との混合微粉末を用いた液状組成物の、陰イオン発生による消臭効果は低く、さらに抗菌性を得ることは困難であった。   Further, the liquid composition using the mixed fine powder of garnet and mineral calcined oxide described in Patent Document 2 has a low deodorizing effect due to the generation of anions, and it is difficult to obtain antibacterial properties.

さらに、コロナ放電を利用した空気清浄機は、マイナスイオンを発生するのみならず、オゾンや窒素酸化物、活性酸素なども同時に発生するため人体には好ましくない。
特開平11−246787号公報 特許第3286298号公報
Furthermore, an air cleaner using corona discharge is not preferable for the human body because it not only generates negative ions, but also generates ozone, nitrogen oxides, active oxygen, and the like simultaneously.
Japanese Patent Laid-Open No. 11-246787 Japanese Patent No. 3286298

本発明は、人工的な空気清浄機に依らず、昼夜において常時マイナスイオンを多量に発生して消臭効果、抗菌効果を生ずる建材用等の塗料組成物を提供するものである。   The present invention provides a coating composition for building materials and the like that generates a large amount of negative ions at all times during the day and night and produces a deodorizing effect and an antibacterial effect without depending on an artificial air cleaner.

本発明者は、電気石の微細粉とランタナイド希土類元素を含む二酸化ジルコン原料鉱砂との混合微粉末、および光触媒活性二酸化チタンを塗料用バインダー中に含有する機能性塗料を作製し、これを基材に塗布して、コーティング層を形成した。   The present inventor has produced a functional paint containing fine powder of tourmaline and mixed fine powder of zircon raw material mineral sand containing lanthanide rare earth element, and photocatalytically active titanium dioxide in a binder for paint. It was applied to the material to form a coating layer.

そして、該コーティング層の表面から、明るい場所においてのみならず、暗所においても多量のマイナスイオンが発生し、高い脱臭作用と、抗菌効果、防カビ効果のあることを確認した。   A large amount of negative ions was generated from the surface of the coating layer not only in a bright place but also in a dark place, and it was confirmed that it had a high deodorizing action, an antibacterial effect, and an antifungal effect.

本発明の基本的な原理はつぎのとおりと考えられる。先ず、空気中の水分がランタナイ
ド希土類元素を含む二酸化ジルコン原料鉱砂を励起し、さらにこの励起作用により電気石の電解反応を活性化する。そしてさらに二酸化ジルコン原料鉱砂の励起作用と電気石の有する遠赤外線電磁波による相乗効果により、光触媒活性二酸化チタン粒子のヒドロキシラジカル(・OH)活性反応が、マイナスイオンの発生速度を加速し、発生量が増加するためと考えられる。
The basic principle of the present invention is considered as follows. First, moisture in the air excites zircon dioxide raw material sand containing lanthanide rare earth elements, and further activates the electrolytic reaction of tourmaline by this excitation action. Furthermore, due to the synergistic effect of the far-infrared electromagnetic wave of the tourmaline and the excitation action of the zircon raw material mineral sand, the hydroxy radical (OH) active reaction of the photocatalytically active titanium dioxide particles accelerates the generation rate of negative ions, the amount generated This is thought to increase.

次に、電気石の電気特性と遠赤外線放射特性による、電気中の水分の活性イオン化、及び光触媒二酸化チタンのヒドロキシルラジカル(・OH)活性化反応について説明する。   Next, the active ionization of moisture in electricity and the hydroxyl radical (.OH) activation reaction of photocatalytic titanium dioxide based on the electric characteristics and far-infrared radiation characteristics of tourmaline will be described.

電気石は、遠赤外線放射特性と電気特性を有し、水を活性イオン化する。電気石の電解反応については「固体物理」Vol.24,No12(1989)に示されているとおりである。   Tourmaline has far-infrared radiation properties and electrical properties, and ionizes water. For electrolytic reaction of tourmaline, see “Solid Physics” Vol. 24, No. 12 (1989).

電気石{一般式、Na12 32 6BO3Si618(OH・F)6}の電気特性は、永久電極と呼ばれる特殊な有極性結晶体を有し、粉砕した微粒子であっても、それぞれが独立した有極性結晶体であり、この結晶体は対称する両極の一端が正極、反対側が負極となり、この電極は常温で消滅することのない永久電極となっている。 The electric characteristics of tourmaline {general formula, Na 1 M 2 3 M 2 6 BO 3 Si 6 O 18 (OH · F) 6 } are special polar crystals called permanent electrodes, Even if it exists, each is an independent polar crystal body, and this crystal body becomes a permanent electrode which does not lose | disappear at normal temperature, as one end of the symmetrical both poles becomes a positive electrode and the other side becomes a negative electrode.

本発明では、電気石として、鉄電気石{NaFe3Al6BO3Si618(OH・F)4}の微細粉末(平均粒度5μm以下98%)を用いることが望ましい。 In the present invention, it is desirable to use fine powder of iron tourmaline {NaFe 3 Al 6 BO 3 Si 6 O 18 (OH · F) 4 } (average particle size of 5 μm or less 98%) as tourmaline.

該微細粉末に空気中の水分が接触すると、直ちに水(H2O)は水素イオン(H+)と水酸イオン(OH-)に解離され、水酸イオンは水(H2O)と水和し、ヒドロキシルマイナスイオン(H32 -)に変換される。さらに(H32 -)は、ホルムアルデヒドやアンモニアなどの還元剤に出会うと発生期(極めて酸化力の強い)の酸素(O2)に変化し、酸化脱臭を促進すると考えられる。 When moisture in the air comes into contact with the fine powder, water (H 2 O) is immediately dissociated into hydrogen ions (H + ) and hydroxide ions (OH ), and the hydroxide ions are converted into water (H 2 O) and water. Summed and converted to hydroxyl negative ions (H 3 O 2 ). Further, (H 3 O 2 ) is considered to change to oxygen (O 2 ) in the nascent stage (extremely oxidizing power) when it encounters a reducing agent such as formaldehyde and ammonia, and promotes oxidative deodorization.

式(1)、(2)にヒドロキシルマイナスイオンの発生反応を示す。
2O → H++OH- ……(1)
2O+OH- → H32 - ……(2)
(水) (ヒドロキシルマイナスイオン)
Formula (1) and (2) show the generation reaction of hydroxyl negative ions.
H 2 O → H + + OH (1)
H 2 O + OH → H 3 O 2 (2)
(Water) (Hydroxyl anion)

ホルムアルデヒド(HCHO)の脱臭化する過程は複雑で、単純なものではないが、以下に述べるように行われていると考えられる。
ヒドロキシルマイナスイオン(H32 -)は、還元剤であるホルムアルデヒド(HCHO)と接触すると直ちに式(3)に示すように分解して酸素(O2)を発生する。
4H32 - → 6H2O+O2 ………(3)
(ヒドロキシルマイナスイオン) (発生期の酵素)
The process of debromination of formaldehyde (HCHO) is complicated and not simple, but is considered to be performed as described below.
As soon as hydroxyl negative ions (H 3 O 2 ) come into contact with formaldehyde (HCHO) as a reducing agent, they are decomposed to generate oxygen (O 2 ) as shown in the formula (3).
4H 3 O 2 → 6H 2 O + O 2 (3)
(Hydroxyl negative ion) (Emerging enzyme)

ホルムアルデヒド(HCHO)は発生した発生期の酸素(O2)により炭酸ガス(CO2)と水(H2O)になり無臭化する。式(4)、(5)に示す。
HCHO + O2 → CO2+H2O ………(4)
(ホルムアルデヒド)(発生期の酸素)(炭酸ガス)(水)
Formaldehyde (HCHO) is converted into carbon dioxide (CO 2 ) and water (H 2 O) by the generated nascent oxygen (O 2 ) and is not brominated. It shows to Formula (4) and (5).
HCHO + O 2 → CO 2 + H 2 O (4)
(Formaldehyde) (Emerging oxygen) (Carbon dioxide) (Water)

式(3)+(4)より式(5)に示す通りとなる。
HCHO+4H32 - → CO2+7H2O ………(5)
(ホルムアルデヒド)(マイナスイオン) (炭酸ガス)(水)
From equation (3) + (4), the equation is as shown in equation (5).
HCHO + 4H 3 O 2 → CO 2 + 7H 2 O (5)
(Formaldehyde) (negative ion) (carbon dioxide) (water)

以上のような段階を経て、ホルムアルデヒドはヒドロキシルマイナスイオンにより酸化され、脱臭分解されると考える。   Through the above steps, formaldehyde is considered to be oxidized and deodorized and decomposed by hydroxyl negative ions.

次に、光触媒活性二酸化チタンのヒドロキシルラジカル(・OH)活性作用について説明する。   Next, the hydroxyl radical (.OH) activity action of photocatalytically active titanium dioxide will be described.

光触媒活性二酸化チタンの反応メカニズムについては必ずしも明確になっていないが、一般に以下のように考えられている(「光触媒のしくみ」日本実業出版(2000.10)参照)。   The reaction mechanism of photocatalytically active titanium dioxide is not necessarily clear, but is generally considered as follows (see “Mechanism of Photocatalyst”, Nihon Jitsugyo Shuppan (2000.10)).

二酸化チタン(TiO2)が紫外線などの光波(150μm以上)電磁波を吸収し、電子(e-)と正孔(h+)が二酸化チタン内部に生成する。これを式(6)に示す。
TiO2+λ(電極波)→e-+h+ ………(6)
Titanium dioxide (TiO 2 ) absorbs light waves (150 μm or more) electromagnetic waves such as ultraviolet rays, and electrons (e ) and holes (h + ) are generated inside the titanium dioxide. This is shown in equation (6).
TiO 2 + λ (electrode wave) → e + h + (6)

式(6)のh+(正孔)は、空気中の水分(H2O)と反応してヒドロキシルジカル(・OH)を生じる。これを式(7)に示す。
++H2O→・OH(OH-)+H+ ………(7)
H + (hole) in the formula (6) reacts with moisture in the air (H 2 O) to generate hydroxyl dicarls (.OH). This is shown in equation (7).
h + + H 2 O → OH (OH ) + H + (7)

式(6)および式(7)に示す二酸化チタンの触媒反応式は、太陽光線や紫外線による反応式であるが、本発明においては、電気石の遠赤外線放射エネルギー(電磁波)と併せ、ランタナイド希土類元素を含む二酸化ジルコン原料鉱砂の有する天然放射エネルギー(電磁波)により励起され、空気中の水分がヒドロキシルラジカル(・OH)を生成し、これが強力な酸化力のある活性酸素に変換されるため、暗い室内の光の届かないところでも強力な抗菌作用を発揮すると考えられる。   The catalytic reaction formula of titanium dioxide shown in the formulas (6) and (7) is a reaction formula by sunlight or ultraviolet rays. In the present invention, the lanthanide rare earth is combined with the far infrared radiation energy (electromagnetic wave) of tourmaline. Excited by natural radiant energy (electromagnetic waves) of zircon dioxide raw material mineral sand containing elements, moisture in the air generates hydroxyl radicals (.OH), which is converted into active oxygen with strong oxidizing power, It is thought to exert a strong antibacterial effect even in a dark room where light does not reach.

従来の方法では、光触媒二酸化チタンは、主に室外の光線の届く場所で、光触媒活性反応を示したが、光線の届かない場所では光触媒活性は全く得られなかった。さらに鉱物焼成酸化物との混合微粉末による陰イオン発生方式では、消臭効果は低く、抗菌性を得ることは殆ど困難であった。   In the conventional method, photocatalytic titanium dioxide exhibited a photocatalytic activity mainly in a place where the light beam outside the room reached, but no photocatalytic activity was obtained in a place where the light beam did not reach. Further, the anion generation method using fine powder mixed with mineral calcined oxide has a low deodorizing effect, and it is almost difficult to obtain antibacterial properties.

本発明者等の研究により、電気石とランタナイド希土類元素を含む二酸化ジルコン原料鉱砂との混合微粉末および光触媒二酸化チタンを、塗料組成物中に含有させることにより、コーティング層の状態において、(1)電気石の電気特性が、ランタナイト希土類元素を含む二酸化ジルコン原料鉱砂により励起されて電解反応が高まり、(2)電気石の遠赤外線放射エネルギー(電磁波)とランタナイド希土類元素を含む二酸化ジルコン原料鉱砂の天然放射エネルギー(電磁波) による励起作用により光触媒活性二酸化チタンのヒドロキシルラジカル(・OH)活性が高まり、全体の活性イオン化速度を速め、マイナスイオン発生量を増加するとともに、マイナスイオンの酸化力が強力となることがわかった。   As a result of studies by the present inventors, a mixed fine powder of tourmaline and zircon raw material mineral sand containing a lanthanide rare earth element and photocatalytic titanium dioxide are contained in the coating composition in the state of the coating layer (1 ) The electric characteristics of tourmaline are excited by the zircon dioxide raw material mineral sand containing lanthanite rare earth elements, and the electrolytic reaction is enhanced. Excitation of mineral sand by natural radiant energy (electromagnetic wave) increases the hydroxyl radical (OH) activity of photocatalytically active titanium dioxide, increasing the overall active ionization rate, increasing the amount of negative ions generated, and oxidizing power of negative ions Turned out to be powerful.

本発明は、光触媒活性二酸化チタンのヒドロキシルラジカル表面活性が、太陽光線や、紫外線などの光エネルギーだけではなく、電気石の有する遠赤外線放射エネルギーとランタナイド希土類元素を含む二酸化ジルコン原料鉱砂の天然放射エネルギー(電磁波)により、励起されることを見出した。そしてこれにより、活性イオン化速度を速め、マイナスイオンの酸化力を強め、かつイオン発生量を増加することを可能とし、室内のホルムアルデヒド(HCHO)などの悪臭を無臭化し、併せて黒カビの発生を防止することを解決し、本発明を完成するに至った。本発明は、明るい場所においてのみならず、暗所においても、常時マイナスイオンを発生して、脱臭性、抗菌性を有する塗料組成物を提供するものである。   In the present invention, the hydroxyl radical surface activity of photocatalytically active titanium dioxide is not limited to light energy such as sunlight and ultraviolet rays, but also natural radiation of zircon raw material mineral sand containing far infrared radiation energy and lanthanide rare earth elements of tourmaline. It was found that it was excited by energy (electromagnetic waves). And this makes it possible to increase the active ionization rate, strengthen the oxidizing power of negative ions and increase the amount of ions generated, and eliminates odors such as formaldehyde (HCHO) in the room and prevents the generation of black mold. This has been solved and the present invention has been completed. The present invention provides a coating composition that always generates negative ions not only in a bright place but also in a dark place, and has deodorizing and antibacterial properties.

本発明のランタナイド希土類元素を含む二酸化ジルコン原料鉱砂の成分は、ZrO2、TiO2、Al23、P25、SiO2、FeO3、La23、CeO2、CaO、Nd23、Pr611、Y23、K2O、Gd23、Sm23、MoO3等であり、その他、極微量
の天然放射元素の酸化トリウムを含有する。
Component of zirconium dioxide material ore sand containing lanthanide rare earth element of the present invention, ZrO 2, TiO 2, Al 2 O 3, P 2 O 5, SiO 2, FeO 3, La 2 O 3, CeO 2, CaO, Nd 2 O 3 , Pr 6 O 11 , Y 2 O 3 , K 2 O, Gd 2 O 3 , Sm 2 O 3 , MoO 3 , and the like, and contains trace amounts of natural radioactive element thorium oxide.

これらのうち、主要な成分(重量組成比)は次のとおりである。Fe23 20〜30%、CeO225、SiO2 10〜20%、La23 Nd23、ZrO2 TiO2、Al23、CaO 2〜10%。 Among these, main components (weight composition ratio) are as follows. Fe 2 O 3 20~30%, CeO 2 P 2 O 5, SiO 2 10~20%, La 2 O 3 Nd 2 O 3, ZrO 2 TiO 2, Al 2 O 3, CaO 2~10%.

なお、上記二酸化ジルコン原料鉱砂は、中国貴洲省にある曹渡河の河床鉱区から採取され、市販されているものである。   The zircon dioxide raw material sand is collected from the riverbed area of the Sodo River in Guizhou Province, China and is commercially available.

また、上記二酸化ジルコン原料鉱砂の天然放射線濃度(電磁波)は、文部科学省の指導による安全基準以下であり、その使用において安全であることを東京都立産業技術センターにおける測定により確認している。   Moreover, the natural radiation concentration (electromagnetic wave) of the above-mentioned zircon dioxide raw material ore is below the safety standard under the guidance of the Ministry of Education, Culture, Sports, Science and Technology, and it is confirmed by measurement at the Tokyo Metropolitan Industrial Technology Center that it is safe to use.

本発明の塗料組成物を用いてコーティング層を形成した表面とすることにより、常時マイナスイオンを多量に発生しつづけ、建築物室内空間のアンモニヤ臭やシックハウス病の要因の一つであるホルムアルデヒドの脱臭効果等を発揮し、マンション、病院、学校などの化学物質による環境汚染対策に役立ち、多大な効果を得ることができる。   By using the coating composition of the present invention as a surface on which a coating layer is formed, a large amount of negative ions is constantly generated, and the deodorization of formaldehyde, which is one of the causes of ammonia odor and sick house disease in the indoor space of buildings. It can be used for countermeasures against environmental pollution caused by chemical substances in condominiums, hospitals, schools, etc.

本発明の実施の形態について説明する。
本発明の脱臭性、抗菌性を有する建材用等の塗料組成物は、電気石の微細粉1〜20重量%とランタナイド希土類元素を含む二酸化ジルコン原料鉱砂99〜80重量%との混合微粉末1〜40重量部、および光触媒二酸化チタン0.5〜15重量部と塗料用バインダー100重量部よりなり、建築物の室内の天井および/または壁面等に塗布し、コーティング層を形成する。なお、各成分がこれらの数値をはずれた場合は、十分な効果を発揮しない。
Embodiments of the present invention will be described.
The coating composition for building materials having deodorizing and antibacterial properties according to the present invention is a mixed fine powder of 1-20 wt% fine powder of tourmaline and 99-80 wt% zircon dioxide raw material sand containing lanthanide rare earth elements. It consists of 1 to 40 parts by weight, 0.5 to 15 parts by weight of photocatalytic titanium dioxide, and 100 parts by weight of a binder for paint, and is applied to the ceiling and / or wall surface of the building interior to form a coating layer. In addition, when each component deviates from these numerical values, sufficient effects are not exhibited.

コーティング層を形成するにあたっては、建材用塗料組成物を直接天井および/または壁面に塗布することが望ましいが、紙質、布質、樹脂質、金属質などを介して、あるいは他の媒体の表面に塗布したり、担持したものを用いてもよい。   In forming the coating layer, it is desirable to apply the coating composition for building materials directly to the ceiling and / or the wall surface, but it can be applied to the surface of other media through paper, cloth, resin, metal, etc. You may apply | coat or carry | support.

本発明の塗料は、脱臭性と抗菌性を生かせる全ての場所、材料、部材に様々な形態で適用でき、上記建材の他、冷蔵庫や冷凍庫の内部、エアコンやクーラーの排気部やファン表面、扇風機のファン表面、電車・自動車等の車内、エレベータの内部等に広く適用することができる。   The paint of the present invention can be applied to all places, materials, and members that can take advantage of deodorization and antibacterial properties. In addition to the above building materials, the interior of a refrigerator or freezer, the exhaust part of an air conditioner or cooler, the fan surface, a fan The present invention can be widely applied to the fan surfaces of cars, the inside of trains and cars, the inside of elevators, and the like.

コーティング層を形成した表面に、空気中の水分が触れると直ちにマイナスイオンが多量に発生し、活性酸素に変換され、脱臭作用、抗菌作用を発揮する。   As soon as moisture in the air touches the surface on which the coating layer is formed, a large amount of negative ions is generated and converted to active oxygen, which exhibits a deodorizing action and an antibacterial action.

本発明において、空気中の湿気成分である水分を活性イオン化して、マイナスイオンを多量に発するために必要な前記混合微粉末は、塗料用バインダー100重量部に対し、1〜40重量部である。   In the present invention, the mixed fine powder necessary for active ionization of moisture, which is a moisture component in the air, to generate a large amount of negative ions is 1 to 40 parts by weight with respect to 100 parts by weight of the binder for paint. .

本発明に用いる光触媒活性二酸化チタンは、結晶型に限定されるものではないが、アナターゼ型、ルチル型、ブルツカイト型、アモルファス型の二酸化チタンが用いられ、本発明ではアナターゼ型二酸化チタンを用いた。また粒径は0.0001ないし0.2ミクロンのものが好ましい。これら光触媒は、表面に白金、ロジウム、ルラニウム、銀、銅、亜鉛などの金属が担持されてもよい。   The photocatalytically active titanium dioxide used in the present invention is not limited to a crystalline type, but anatase type, rutile type, brucite type and amorphous type titanium dioxide is used. In the present invention, anatase type titanium dioxide was used. The particle size is preferably 0.0001 to 0.2 microns. These photocatalysts may carry a metal such as platinum, rhodium, ruranium, silver, copper, or zinc on the surface.

本発明の建材用機能性塗料組成物のバインダー樹脂としては、天然ゴムラテックス、アクリル樹脂、シリコン樹脂、シリコンゴム、ラテックス、エポキシ酢酸ビニール樹脂、アクリルフッ素樹脂等を用いることができるが、アクリル系樹脂が望ましい。   As the binder resin of the functional coating composition for building materials of the present invention, natural rubber latex, acrylic resin, silicone resin, silicone rubber, latex, epoxy vinyl acetate resin, acrylic fluororesin, etc. can be used. Is desirable.

さらに、樹脂は、水性塗料のバインダー、水性樹脂エマルジョンとして適用することが望ましい。   Further, the resin is desirably applied as a binder for water-based paints and an aqueous resin emulsion.

水性樹脂エマルジョンとする場合は、希釈材が水であるから、有機溶媒と比較して、火炎の恐れが少なく、低毒性で有機溶媒のような不快臭が少なく、乾燥も速い。これに適した樹脂としては、エチレン−酢酸ビニール共重合体、塩化ビニール−酢酸ビニール共重合体などの酢酸ビニールエマルジョン、スチレン−ブタジニン系エマルジョン、アクリル系エマルジョンなどが挙げられ、これらは適宜選択して用いられる。   In the case of an aqueous resin emulsion, since the diluent is water, there is less fear of flame, less toxicity, less unpleasant odor like organic solvents, and faster drying than organic solvents. Suitable resins include vinyl acetate emulsions such as ethylene-vinyl acetate copolymers and vinyl chloride-vinyl acetate copolymers, styrene-butazinin emulsions, acrylic emulsions, and the like. Used.

さらに本発明の建材用機能性塗料組生物として、通常塗料に加えられる添加物、例えば顔料、着色顔料、粘度調整剤、レベリング剤、沈殿防止剤、可塑剤、界面活性剤、防錆剤等を任意の割合で添加することができる。   Furthermore, as a functional paint assembly for building materials of the present invention, additives usually added to paints, such as pigments, color pigments, viscosity modifiers, leveling agents, precipitation inhibitors, plasticizers, surfactants, rust inhibitors, etc. Any ratio can be added.

また本発明は、上記水性塗料の他に油性塗料、酒精塗料、セルロース塗料として広範囲に適用できる。   In addition to the water-based paint, the present invention can be widely applied as an oil-based paint, an alcoholic paint, and a cellulose paint.

以下に、本発明を実施例により詳しく説明する。特に、本発明の塗料が、脱臭性と抗菌性を有する点について試験を行い、その有効性を確認した。   Hereinafter, the present invention will be described in detail with reference to examples. In particular, the effectiveness of the paint of the present invention was confirmed by testing it for its deodorizing and antibacterial properties.

アクリル樹脂エマルジョン(固形分30%、水分70%)100重量部に対し、電気石の微細粉10重量%、ランタナイド希土類元素を含む二酸化ジルコン原料鉱砂90重量%との混合微粉末5重量部と、光触媒活性二酸化チタン5重量部を練り込んだ塗料組成物を得た。
この塗料を用い、有効な脱臭性を生ずることを確認するために、以下のとおりホルムアルデヒドの減衰試験を実施した。
5 parts by weight of fine powder mixed with 10% by weight of fine powder of tourmaline and 90% by weight of zircon raw material mineral sand containing lanthanide rare earth element for 100 parts by weight of acrylic resin emulsion (solid content 30%, moisture 70%) A coating composition in which 5 parts by weight of photocatalytically active titanium dioxide was kneaded was obtained.
In order to confirm that effective deodorizing property was produced using this paint, a decay test of formaldehyde was performed as follows.

1.目的
本発明のマイナスイオン塗料のホルムアルデヒド除去性能試験を行う。
2.試料および試料数
和紙に塗布したマイナスイオン塗料
(ビッグ10をベースに添加剤を混合した塗料)
和紙に塗布したアクリル樹脂系塗料 ビッグ10(通常塗料)
アサヒペン社製
和紙(ブランク試料) ・・・・・・・・・・合計3試料
3.試験方法
試験塗料を塗布した試料は、3cm×10cmの短冊とした後、両端を留め、35枚を輪にした。100L(リットル)のポリエチレン製テドラーバッグに試料を入れ、ポンプでバッグ内の空気を除去した。ついで、50%に調湿した清浄空気100Lを入れ、ホルムアルデヒドを、約0.3ppm(約400μg/m3)となるように添加した。添加後、1時間後、以後1時間毎4時間まで、バッグ内空気10Lをサンプリングした。放置する間、約1時間毎にテドラーバッグを回転させ、中の空気を攪拌した。
ホルムアルデヒド捕集方法:DNPHカートリッジ捕集
測定方法:アセトニトル溶出後、高速液体クロマトグラフ法
4.試験結果
表1に、ホルムアルデヒドの気中濃度(ppm表記)の経時変化を示す。
イオン塗料は、約1時間で室内のホルムアルデヒド濃度ガイドライン値である0.08ppmを下回った。
ホルムアルデヒド除去率の経時変化とグラフを表2−1、表2−2に示す。
イオン塗料の試料は、3時間でホルムアルデヒドの93%を除去することが明らかとなった。
5.考察
基材である和紙自身が多孔質である為、いずれの試料もホルムアルデヒド除去性能を示したが、イオン塗料の試料は減少速度(除去速度)が他の試料に比べ速いことが判った。
本願発明のものは、添加後1時間で0.07ppmとなり、2時間では0.04ppmとなった。
これは、WHO(世界保健機構)が定めるアルデヒド濃度(100μg/m3=0.08ppm)を下まわる値である。
1. Objective To conduct a formaldehyde removal performance test of the negative ion paint of the present invention.
2. Sample and number of samples Negative ion paint applied to Japanese paper (Paint with additive based on Big 10)
Acrylic resin paint Big 10 (ordinary paint) applied to Japanese paper
Japanese paper (blank samples) made by Asahi Pen Co., Ltd. 3 samples in total Test method The sample to which the test paint was applied was made into a strip of 3 cm × 10 cm, then both ends were fastened, and 35 sheets were made into a ring. A sample was put into a 100 L (liter) polyethylene tedlar bag, and the air in the bag was removed with a pump. Next, 100 L of clean air conditioned to 50% was added, and formaldehyde was added to a concentration of about 0.3 ppm (about 400 μg / m 3 ). One hour after the addition, 10 L of air in the bag was sampled every hour until 4 hours thereafter. While being allowed to stand, the Tedlar bag was rotated about every hour to stir the air inside.
Formaldehyde collection method: DNPH cartridge collection
Measuring method: After elution of acetonitrile, high performance liquid chromatograph method. Test results Table 1 shows the change over time in the airborne formaldehyde concentration (in ppm).
The ionic paint fell below the indoor formaldehyde concentration guideline value of 0.08 ppm in about 1 hour.
Table 2-1 and Table 2-2 show changes with time and graphs of the formaldehyde removal rate.
The ionic paint sample was found to remove 93% of the formaldehyde in 3 hours.
5. Discussion Since the Japanese paper itself, which is the base material, is porous, all the samples showed formaldehyde removal performance. However, it was found that the decrease rate (removal rate) of the ionic paint sample was faster than the other samples.
The thing of this invention became 0.07 ppm in 1 hour after addition, and became 0.04 ppm in 2 hours.
This is a value that falls below the aldehyde concentration (100 μg / m 3 = 0.08 ppm) determined by WHO (World Health Organization).

Figure 2006117771
Figure 2006117771

Figure 2006117771
Figure 2006117771

Figure 2006117771
Figure 2006117771

実施例1において作成した本発明の塗料を用い、マグロの刺身を試料として、本発明の抗菌性について試験しその有効性を確認した。試験は、設備の都合により外部機関に委託した。

Figure 2006117771
試験の結果、本発明の塗料は、抗菌性塗料を未使用のものと比べ、顕著な抗菌性を示す
ことが確認された。 Using the paint of the present invention prepared in Example 1, the antibacterial activity of the present invention was tested using tuna sashimi as a sample, and its effectiveness was confirmed. The test was outsourced to an external organization for the convenience of the equipment.
Figure 2006117771
As a result of the test, it was confirmed that the paint of the present invention exhibits a remarkable antibacterial property as compared with the antibacterial paint not used.

電気石、励起材(二酸化ジルコン原料鉱砂)、光触媒の有無による効果の差異を明らかにするために、さらに本発明の塗料が暗所においても有効なものであることを明らかにするために、明暗の差による比較試験を行った。
試験は、本発明の塗料が抗菌性、脱臭性を発揮するためのマイナスイオン発生量(1立方センチメートル当たりのマイナスイオンの発生個数)について測定したが、試料は、アクリル樹脂エマルジョン100重量部に対し、以下の表のとおり各成分をそれぞれ混合し試験を行った。
なお、イナスイオンの発生量の測定のための計測器として、(株)シグマテック社製イオン測定器SC−50を用いた。
In order to clarify the difference in the effect by the presence or absence of tourmaline, excitation material (zircon dioxide raw material mineral sand), photocatalyst, in order to further clarify that the paint of the present invention is effective in the dark, A comparative test based on the difference in brightness was performed.
In the test, the negative ion generation amount (number of negative ions generated per cubic centimeter) for the coating material of the present invention to exhibit antibacterial and deodorizing properties was measured. Each component was mixed and tested as shown in the following table.
In addition, Sigma Tech Co., Ltd. ion measuring instrument SC-50 was used as a measuring instrument for the measurement of the generation amount of inus ions.

Figure 2006117771
Figure 2006117771

この試験により、本発明の3成分を含むものは、これらの内の1成分を除いたものと比較して、2〜3倍も多くマイナスイオンを発生し、さらに光が届く明るい状態のみならず、暗い状態においても、マイナスイオンを有効に発生することが明らかとなった。   As a result of this test, those containing the three components of the present invention generate 2-3 times more negative ions than those without one of these components, and not only in a bright state where light can reach. It was revealed that negative ions are effectively generated even in a dark state.

Claims (4)

電気石の微細粉とランタナイド希土類元素を含む二酸化ジルコン原料鉱砂との混合微粉末、および光触媒活性二酸化チタンを含むことを特徴とし、塗布されたコーティング層はマイナスイオンを発生して脱臭性、抗菌性を有する塗料組成物。   It is characterized by containing fine powder of tourmaline and zircon raw material mineral sand containing lanthanide rare earth element, and photocatalytically active titanium dioxide, and the applied coating layer generates negative ions and is deodorizing and antibacterial Coating composition having properties. 電気石の微細粉とランタナイド希土類元素を含む二酸化ジルコン原料鉱砂との混合微粉末、および光触媒活性二酸化チタンを含むことを特徴とし、塗布されたコーティング層はマイナスイオンを発生して脱臭性、抗菌性を有する建材用塗料組成物。   It is characterized by containing fine powder of tourmaline and zircon raw material mineral sand containing lanthanide rare earth element, and photocatalytically active titanium dioxide, and the applied coating layer generates negative ions and is deodorizing and antibacterial A coating composition for building materials having properties. 電気石の微細粉1〜20重量%、ランタナイド希土類元素を含む二酸化ジルコン原料鉱砂99〜80重量%との混合微粉末1〜40重量部、および光触媒活性二酸化チタン0.5〜15重量部と、塗料用バインダー100重量部とを含有し、塗布されたコーティング層はマイナスイオンを発生して脱臭性、抗菌性を有する請求項1または請求項2に記載の塗料組成物。   1 to 40 parts by weight of fine powder of tourmaline, 1 to 40 parts by weight of fine powder mixed with 99 to 80% by weight of zircon raw material mineral sand containing lanthanide rare earth element, and 0.5 to 15 parts by weight of photocatalytically active titanium dioxide 3. The coating composition according to claim 1, comprising 100 parts by weight of a coating binder, wherein the applied coating layer generates negative ions and has deodorizing properties and antibacterial properties. ランタナイド希土類元素を含む二酸化ジルコン原料鉱砂の主成分が、Fe23 20〜30%、CeO225、SiO2 10〜20%、La23 Nd23、ZrO2 TiO2、Al23、CaO 2〜10%であることを特徴とする請求項1〜3のいずれかに記載の塗料組成物。 The main components of the zircon raw material mineral sand containing lanthanide rare earth elements are Fe 2 O 3 20-30%, CeO 2 P 2 O 5 , SiO 2 10-20%, La 2 O 3 Nd 2 O 3 , ZrO 2 TiO 2 , Al 2 O 3 , CaO 2 to 10%, The coating composition according to claim 1.
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