JP3653560B2 - Deodorizing paint - Google Patents
Deodorizing paint Download PDFInfo
- Publication number
- JP3653560B2 JP3653560B2 JP35425393A JP35425393A JP3653560B2 JP 3653560 B2 JP3653560 B2 JP 3653560B2 JP 35425393 A JP35425393 A JP 35425393A JP 35425393 A JP35425393 A JP 35425393A JP 3653560 B2 JP3653560 B2 JP 3653560B2
- Authority
- JP
- Japan
- Prior art keywords
- paint
- deodorizing
- iron
- present
- compound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Paints Or Removers (AREA)
Description
【0001】
【産業上の利用分野】
本発明は脱臭塗料に関するものである。
【0002】
【従来の技術】
従来、家屋やビル等の天井や内壁、床面等の保護と美感を目的として、それらの表面に塗料を塗布することは広く行われているが、室内の悪臭を消臭ないし脱臭するような機能を持った塗料は皆無である。もし、室内の壁や天井、床等に適用する塗料に対し脱臭機能を付与することができれば、室内の脱臭洗浄化が可能になり、生活環境保全の上から好ましいことは明らかである。
【0003】
【発明が解決しようとする課題】
本発明は、人体に対して安全生が高く、安価であり、かつ室内の悪臭に対する脱臭効果にすぐれた脱臭塗料を提供することをその課題とする。
【0004】
【課題を解決するための手段】
本発明者は、前記課題を解決すべく鋭意研究を重ねた結果、本発明を完成するに至った。
即ち、本発明によれば、鉄(II)化合物、エチレンジアミン四酢酸及びミョウバンを含有する水性塗料からなり、該鉄(II)化合物に対するエチレンジアミン四酢酸の割合が1〜80重量%(但し、1〜20重量%を除く)であることを特徴とする脱臭塗料が提供される。
【0005】
本発明において用いるベース塗料は、従来公知の水性塗料である。このような水性塗料としては、合成樹脂エマルジョン塗料や、水溶性合成樹脂塗料等を用いることができる。合成樹脂エマルジョン塗料としては、酢酸ビニル系エマルジョン塗料、スチレン−ブタジエン系エマルジョン塗料、アクリル系エマルジョン塗料、骨材入りエマルジョン塗料等を挙げることができる。また、水溶性合成樹脂塗料としては、水溶性メラミン樹脂、水溶性尿素樹脂、水溶性フェノール樹脂、水溶性アクリル樹脂塗料、水溶性エポキシ樹脂等を挙げることができる。その他、エマルジョン型の家庭塗料を用いることもできる。
【0006】
本発明において脱臭剤主成分として用いる鉄(II)化合物としては、硫酸第1鉄、塩化第1鉄、臭化第1鉄、ヨウ化第1鉄等の鉄(II)無機塩の他、没食子酸第1鉄、リンゴ酸第1鉄、フマル酸第1鉄等の鉄(II)の有機塩が挙げられる。
ミョウバンとしては、カリミョウバン、アンモニアミョウバン、ナトリウムミョウバン等が用いられるが、特に焼ミョウバンが好ましい。
エチレンジアミン四酢酸(EDTA)としては、ナトリウム塩やカリウム塩が好ましく塩等が用いられる。
鉄(II)化合物とミョウバンとの比率は、重量比で1:10〜10:1、好ましくは1:1〜10:5である。
エチレンジアミン四酢酸の量は、鉄(II)化合物に対し、1〜80重量%、好ましくは20〜60重量%(但し、1〜20重量%を除く)である。
【0007】
本発明の脱臭塗料を製造するには、前記水性塗料に対し、鉄(II)化合物、エチレンジアミン四酢酸を含有する水溶液を配合すればよい。この水溶液中の鉄(II)化合物の濃度は特に制約されないが、5〜30重量%、好ましくは10〜20重量%である。また、塗料中の鉄(II)化合物の濃度は、0.5〜5重量%、好ましくは1〜10重量%である。
【0008】
本発明において、塗料に対して配合する脱臭液は、変色を生じにくいものである。例えば、アンモニアやアミン等の悪臭原因物質と反応しても、その色は格別変色せず、また、お茶に含まれているタンニンと反応させても格別の変色を生じることはない。従って、本発明の塗料は、これを室内の内壁に塗装したときに、室内の悪臭物質と反応しても、その塗装した壁の色が変色するようなことはない。このことは、本発明の大きな利点である。鉄化合物は、アンモニア等の塩基性ガスと反応したときには、茶褐色に変色するため、室内における塗料成分として用いることはできなかったが、本発明で用いる前記脱臭液を用いる場合にはこのようなことはない。
【0009】
【実施例】
次に本発明を実施例によりさらに詳細に説明する。
【0010】
参考例1
水1リットルに焼ミョウバン80gを添加し、約60℃で溶解したのち放冷し、これに硫酸第1鉄・7水塩240gと、エチレンジアミン四酢酸カルシウム二ナトリウム120gを添加溶解し、脱臭液を得た。
【0011】
実施例1
参考例1で得た脱臭液に、エチレン/酢酸ビニル共重合体と酸化チタンを主体とする塗料成分を混合して、表1に示す成分の脱臭塗料を得た。
【0012】
【表1】
【0013】
次に、前記のようにして得た脱臭塗料を以下のようにしてその性能を評価した。(脱臭塗料の脱臭性能の測定)
〈目的〉
脱臭塗料のアンモニア、トリメチルアミンに関する脱臭性能を測定する。
〈サンプル調査〉
濾紙に脱臭塗料を塗布し、60℃で30分で乾燥させる。
〈試験方法〉
臭い袋(3リットル)にサンプルを封入し、悪臭含有空気を送り込んで密栓後、経過時間の悪臭残留濃度(ppm)を検知管で測定した。(室温25℃)
〈試験結果〉
(アンモニア)
【0014】
【表2】
(トリメチルアミン)
【表3】
【0015】
【発明の効果】
本発明の脱臭塗料を室内の壁、天井、床等に対して塗布することにより、その室内空間の悪臭を除去し、室内の生活環境を著しく改善させることができる。[0001]
[Industrial application fields]
The present invention relates to a deodorizing paint.
[0002]
[Prior art]
Conventionally, paints have been widely applied to the surfaces of houses, buildings, etc. for the purpose of protecting and aesthetics of ceilings, inner walls, floors, etc., but they deodorize or deodorize indoor odors. There is no paint with a function. If a deodorizing function can be imparted to the paint applied to indoor walls, ceilings, floors, etc., it is clear that indoor deodorization cleaning is possible, which is preferable in terms of living environment conservation.
[0003]
[Problems to be solved by the invention]
An object of the present invention is to provide a deodorizing paint that is safe for human bodies, inexpensive, and has an excellent deodorizing effect against bad odors in a room.
[0004]
[Means for Solving the Problems]
As a result of intensive studies to solve the above problems, the present inventor has completed the present invention.
That is, according to the present invention, iron (II) compound, Ri Do from an aqueous paint containing ethylenediaminetetraacetic acid and alum, iron (II) ethylenediaminetetraacetate ratio of acetic acid 1 to 80% by weight relative to compound (provided that 1 20 except wt%) deodorizing coating, characterized in der Rukoto is provided.
[0005]
The base paint used in the present invention is a conventionally known water-based paint. As such a water-based paint, a synthetic resin emulsion paint, a water-soluble synthetic resin paint, or the like can be used. Examples of synthetic resin emulsion paints include vinyl acetate emulsion paints, styrene-butadiene emulsion paints, acrylic emulsion paints, and aggregated emulsion paints. Examples of the water-soluble synthetic resin paint include a water-soluble melamine resin, a water-soluble urea resin, a water-soluble phenol resin, a water-soluble acrylic resin paint, and a water-soluble epoxy resin. In addition, an emulsion-type household paint can also be used.
[0006]
The iron (II) compound used as deodorizing agents main component in the present invention, other sulfate ferrous, ferrous chloride, bromide ferrous iron such as ferrous (II) iodide inorganic salts, gallic Examples thereof include organic salts of iron (II) such as ferrous acid, ferrous malate, and ferrous fumarate.
As alum, potassium alum, ammonia alum, sodium alum and the like are used, and baked alum is particularly preferable.
As ethylenediaminetetraacetic acid (EDTA), a sodium salt or a potassium salt is preferable, and a salt or the like is used.
The ratio of iron (II) compound to alum is 1:10 to 10: 1 by weight, preferably 1: 1 to 10: 5.
The amount of ethylenediaminetetraacetic acid is 1 to 80% by weight, preferably 20 to 60% by weight (excluding 1 to 20% by weight ) based on the iron (II) compound.
[0007]
In order to produce the deodorizing paint of the present invention, an aqueous solution containing an iron (II) compound and ethylenediaminetetraacetic acid may be added to the aqueous paint. The concentration of the iron (II) compound in this aqueous solution is not particularly limited, but is 5 to 30% by weight, preferably 10 to 20% by weight. Moreover, the density | concentration of the iron (II) compound in a coating material is 0.5 to 5 weight%, Preferably it is 1 to 10 weight%.
[0008]
In the present invention, the deodorizing liquid to be blended with respect to the paint hardly causes discoloration. For example, even if it reacts with a malodor-causing substance such as ammonia or amine, the color does not change color, and even if it reacts with tannin contained in tea, no special color change occurs. Therefore, when the paint of the present invention is applied to the interior wall of the room, even if it reacts with a malodorous substance in the room, the color of the painted wall does not change. This is a great advantage of the present invention. When iron compounds react with basic gases such as ammonia, they turn brownish brown, so they could not be used as indoor paint components, but this is the case when using the deodorizing liquid used in the present invention. There is no.
[0009]
【Example】
Next, the present invention will be described in more detail with reference to examples.
[0010]
Reference example 1
Add 80 g of calcined alum to 1 liter of water, dissolve at about 60 ° C. and let cool. Add 240 g of ferrous sulfate and heptahydrate and 120 g of ethylenediaminetetraacetic acid calcium disodium to dissolve, Obtained.
[0011]
Example 1
The deodorizing liquid obtained in Reference Example 1 was mixed with a coating component mainly composed of an ethylene / vinyl acetate copolymer and titanium oxide to obtain a deodorizing coating having the components shown in Table 1.
[0012]
[Table 1]
[0013]
Next, the performance of the deodorizing paint obtained as described above was evaluated as follows. (Measurement of deodorizing performance of deodorizing paint)
<the purpose>
The deodorizing performance of ammonia and trimethylamine in the deodorizing paint is measured.
<Sample survey>
A deodorizing paint is applied to the filter paper and dried at 60 ° C. for 30 minutes.
<Test method>
The sample was sealed in a odor bag (3 liters), bad odor-containing air was sent in, and after sealing, the bad odor residual concentration (ppm) of the elapsed time was measured with a detector tube. (Room temperature 25 ° C)
<Test results>
(ammonia)
[0014]
[Table 2]
(Trimethylamine)
[Table 3]
[0015]
【The invention's effect】
By applying the deodorizing paint of the present invention to indoor walls, ceilings, floors, etc., bad odors in the indoor space can be removed, and the indoor living environment can be remarkably improved.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP35425393A JP3653560B2 (en) | 1993-12-31 | 1993-12-31 | Deodorizing paint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP35425393A JP3653560B2 (en) | 1993-12-31 | 1993-12-31 | Deodorizing paint |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07196950A JPH07196950A (en) | 1995-08-01 |
JP3653560B2 true JP3653560B2 (en) | 2005-05-25 |
Family
ID=18436304
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP35425393A Expired - Lifetime JP3653560B2 (en) | 1993-12-31 | 1993-12-31 | Deodorizing paint |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3653560B2 (en) |
-
1993
- 1993-12-31 JP JP35425393A patent/JP3653560B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH07196950A (en) | 1995-08-01 |
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