JP2004100358A - Bathroom floor - Google Patents

Bathroom floor Download PDF

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Publication number
JP2004100358A
JP2004100358A JP2002266460A JP2002266460A JP2004100358A JP 2004100358 A JP2004100358 A JP 2004100358A JP 2002266460 A JP2002266460 A JP 2002266460A JP 2002266460 A JP2002266460 A JP 2002266460A JP 2004100358 A JP2004100358 A JP 2004100358A
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Japan
Prior art keywords
water
repellent
hydrophilic
bathroom floor
width
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Pending
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JP2002266460A
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Japanese (ja)
Inventor
Kazuhisa Maejima
前島 和久
Masahiro Fukatsu
深津 昌宏
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Cleanup Corp
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Cleanup Corp
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Publication date
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Priority to JP2002266460A priority Critical patent/JP2004100358A/en
Publication of JP2004100358A publication Critical patent/JP2004100358A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a bathroom floor that naturally dries well in a short time, retards the adhesion of soil and is easy to be cleaned. <P>SOLUTION: The bathroom floor has the parallel adjacent arrangement of straight hydrophilic portions and straight water-repellent portions, and connects the hydrophilic portions to a drain hole. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する技術分野】
本発明は浴室床に関する。
【0002】
【従来の技術】
システムバスルームやユニットバス等の浴室における床として、防水性を有するFRP(繊維強化プラスティック)等の材質からなる防水床パンが広く用いられ、その表面には凹凸が形成されノンスリップ性の向上を図り、また、岩肌模様や石目模様を表面に形成して、美観の向上を図っている。
【0003】
【特許文献1】
特開平9−056625号公報
【特許文献2】
特開2002−054295号公報
【特許文献3】
特開2001−334593号公報
【0004】
【発明が解決しようとする課題】
しかしながら、上記従来の浴室床においては、排水性が悪く、表面に水がたまり、長時間経過しても浴室床が自然乾燥しないという問題がある。また、特許文献2に開示されている方法の場合、溝に汚れが溜まりやすく清掃がしにくいという問題点がある。
【0005】
そこで、本発明の目的は、短時間のうちに自然乾燥しやすいとともに、汚れが付着しにくく、掃除が容易な浴室床を提供することである。
【0006】
【課題を解決するための手段】
上記目的は、請求項1に記載の本発明に係る浴室床、すなわち、直線状の親水部分と直線状の撥水部分とを平行に接して配置し、親水部分が排水口に連続していることを特徴とする浴室床によって、達成される。
【0007】
上記目的は、請求項2に記載の本発明に係る浴室床、すなわち、島状の撥水部分と、撥水部分を取り囲む網目状の親水部分とからなり、親水部分が排水口に連続していることを特徴とする浴室床によっても、達成される。なお、島状の撥水部分の形状として、正方形、長方形、菱形、平行四辺形、台形、その他の四角形、三角形、六角形、丸形、楕円形、星形等を挙げることができる。
【0008】
【発明の実施の形態】
以下、本発明に係る浴室床の実施形態について、添付図面を参照して、説明する。
【0009】
親水性塗料として光触媒系塗料を用い、ユニットバスやシステムバス等のFRP製床面に塗布して親水部分を形成した。得られた親水部分の表面について接触角を測定したところ、接触角が15°前後であることが確認された。しかし、実用上は、シロキサン結合を骨格としたシリコーン系塗料等を用いても、接触角が40°以下であれば十分である。
【0010】
次に、マスキングテープ等を貼り付けてマスキングした後に、撥水部分を形成した。撥水性塗料として、フッ素・シリコーン系塗料を用い、FRP製床面あるいは親水性塗料の塗布面に塗布して撥水部分を形成した。得られた撥水部分の表面について接触角を測定したところ、接触角が100°前後であることが確認された。
【0011】
直線状の親水部分と直線状の撥水部分とを平行に接して配置したストライプ・パターン(縞状パターン)について、親水部分の幅と撥水部分の幅の影響を検討した。図1はストライプ・パターンの実施形態について、親水部分の幅と撥水部分の幅と比の影響を示す説明図である。各々の撥水部分2の表面上には、球状の水滴3が生じるが、その直径は撥水部分2の幅W2にほぼ比例することを実験によって知得できた。また、各々の親水部分1の表面には薄い水膜4が全面にわたって広がることを実験によって知得した。しかしながら、撥水部分2の幅W2が狭すぎると、撥水部分2をはさんだ2つの親水部分1にわたって大きく厚い水溜りが生じ易くなることを実験によって知ることができた。さらに親水部分1の幅W1と撥水部分2の幅W2を変更して水滴や水膜の形成結果を比較検討したところ、撥水部分2の幅W2は20mm以下、特に約5〜約10mmであると、大きな水滴や大きな水溜りが生じにくいことを実験によって知得した。
【0012】
なお、親水部分のみとした場合、全面にわたって薄い水膜が形成され、長時間にわたって全面がぬれた状態となってしまう。
【0013】
図2は正方形とそれを取り囲む格子とからなるクロス・パターンについて、親水部分と撥水部分との配置についての説明図である。
【0014】
(C)は正方形が親水部分1であり、それを取り囲む格子が撥水部分2である。親水部分1が不連続であり、撥水部分2によって取り囲まれ孤立しているため、親水部分1に多量の水が溜り、厚い水膜が形成されることを実験によって確認した。また、撥水部分2の幅が狭すぎると、撥水部分2をはさんだ2つの親水部分1から撥水部分2を越えて大きく厚い水溜りが生じることを実験によって知得した。
【0015】
(D)は正方形が撥水部分2であり、それを取り囲む格子が親水部分1である。親水部分1は連続しており、撥水部分2に接しているので、ほとんどの水は流れ去ってしまい、親水部分1の表面には薄い水膜が広がることを実験によって確認した。また、撥水部分2には小さな直径の球状の水滴が残ることが実験によってわかった。
【0016】
その結果として、(D)のほうが乾きやすい。
【0017】
実施形態(a)〜(c)
図3は種々のストライプ・パターンを示す説明図である。(a)は親水部分1及び撥水部分2ともに幅が10mmであり、(b)も親水部分1及び撥水部分2ともに幅が等しいが、5mmである。(c)は親水部分1の幅が5mmであり、撥水部分2の幅が10mmである。
【0018】
実施形態(d)〜(g)
図4は種々のクロス・パターンを示す説明図である。(d)は撥水部分2が10×10mmの正方形であり、親水部分1の幅が10mmである。(e)は撥水部分2が5×5mmの正方形であり、親水部分1の幅が5mmである。(f)は撥水部分2の幅が10mm×10mmであり、親水部分1の幅が5mmである。(g)では撥水部分2が10×40mmの長方形であり、親水部分1の幅が10mmである。
【0019】
比較例(h)、(i)
(h)は親水部分のみであり、(i)は撥水部分のみである。
【0020】
(a)〜(i)の各パターンを床面に2パターンずつ親水性塗料、撥水性塗料をそれぞれ1〜10μm塗布する。なお、床面に初めにプライマー塗料を塗布し、その上に親水性塗料、撥水性塗料を塗布しても良い。その床面に2リットルの水を流した。
【0021】
その後に、表1に示す条件の温度、湿度に保った恒温槽の中に所定時間放置し、床面の乾き具合を目視で評価した。
【表1】

Figure 2004100358
目視評価の結果は表2のように示した。
【表2】
Figure 2004100358
【0022】
表3は、条件1における床面の乾き具合の経時変化を示した表である。実施形態(f)は30分経過後に乾燥しており、実施形態(a)〜(d)、(g)は約60分で乾燥している。一方、比較例(h)(親水部分のみ)は当初、全面濡れており90分経過後にやっと乾燥した。さらに、比較例(i)(撥水部分のみ)は当初、大きな水溜りが生じ、120分経過後も未乾燥であった。
【表3】
Figure 2004100358
【0023】
表4は条件2における床面の乾き具合の経時変化を示した表である。条件1に比べ、条件2は、温度が15℃から30℃と異なり、湿度が40%から80%と高くなっている。実施形態(f)は60分経過後に乾燥しており、次いで実施形態(a)、(c)、(g)は90分経過後に乾燥している。
【表4】
Figure 2004100358
【0024】
表5は条件3における床面の乾き具合の経時変化を示した表である。条件2と条件3とを比較すると、湿度は80%と等しいが、温度は前者が30℃であるのに対し、後者が15℃である。実施形態(c)、(d)、(f)は最も早く、120分経過後に乾燥している。
【表5】
Figure 2004100358
【0025】
目視評価の結果から、1)親水部分と撥水部分とを組み合せたものは、乾燥までに要する時間が短くなっており、2)実施形態(f)が最も早く乾燥している。
【0026】
次に、試験面積400mm×400mmの防水パンについて試験を行った。実施形態(a)〜(g)、(m)、(n)と比較例(h)、(i)及びブランク(通常の浴室床)について、その床面に水を流し、その後に、温度約25℃、湿度約60%の環境に放置し、所定時間経過後の水の残量を測定した。測定結果を表6及び図5に示す。
【表6】
Figure 2004100358
【0027】
試験開始時、すなわち、経過時間が5分において、ブランクでは水の残量が約40gであるのに対し、実施形態(a)〜(g)、(m)、(n)では、約4〜約13gであり、水の残量が1/3以下であることがわかる。
【0028】
経過時間が30分においては、水の残量が、ブランクでは36gであるのに対し、実施形態(a)〜(g)、(m)、(n)では約1〜約8gであり、水の残量が1/4以下であることがわかる。特に、実施形態(c)、(m)、(n)、(f)では、経過時間30分において乾燥が進んでいることがわかる。
【0029】
経過時間が60分においては、水の残量が、ブランクでは約29gであるのに対し、実施形態(a)〜(g)、(m)、(n)ともに3g以下、特に(c)、(f)では0.3g以下とほぼ乾燥していることがわかる。
【0030】
経過時間が120分においては、ブランクでは水の残量が約23gであり、まだ濡れているのに対し、ほとんどの実施形態で水の残量が0.3g以下となり、ほぼ乾燥した。
【0031】
なお、経過時間120分において、(e)の水の残量が0.6gとなったのは、格子の間隔が5mmと狭かったことにより、部分的に撥水部分をまたいで水幕が形成されたためである。
【0032】
【発明の効果】
第1発明(請求項1)に係る浴室床は、直線状の親水部分と直線状の撥水部分とを平行に接して配置し、親水部分が排水口に連続しているので、その結果として、60分程度の経過時間のうちに浴室床が自然乾燥するとともに、親水部分と撥水部分との間に物理的な段差がほとんどなく、そのため、ゴミやほこりが付着しにくく、清掃も容易に行え楽であるという効果が得られる。
【0033】
また、浴室床の表面形状を問わずに、親水部分と撥水部分とを形成することができるので、浴室床の表面形状を形成した後に、後加工で親水部分と撥水部分を形成することができ、また、摩耗した後に、親水部分と撥水部分を再形成し、修復することができる。
【0034】
第2発明(請求項2)に係る浴室床についても、同様に、自然乾燥しやすいとともに、汚れにくく、清掃も容易に行えるという効果が得られる。
【図面の簡単な説明】
【図1】ストライプ・パターンの実施形態について、親水部分の幅と撥水部分の幅と比の影響を示す説明図である。
【図2】正方形とそれを取り囲む格子とからなるクロス・パターンについて、親水部分と撥水部分との配置についての説明図である。
【図3】種々のストライプ・パターンを示す説明図である。
【図4】種々のクロス・パターンを示す説明図である。
【図5】浴室床面に水を流し、所定時間経過後の水の残量を測定した結果を示すグラフである。
【符号の説明】
1 親水部分
2 撥水部分
3 水滴
4 水膜[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to bathroom floors.
[0002]
[Prior art]
As floors in bathrooms such as system bathrooms and unit baths, waterproof floor pans made of a waterproof material such as FRP (fiber reinforced plastic) are widely used, and uneven surfaces are formed on the surface to improve non-slip properties. In addition, rock surface patterns and stone patterns are formed on the surface to improve the appearance.
[0003]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 9-056665 [Patent Document 2]
Japanese Patent Application Laid-Open No. 2002-054295 [Patent Document 3]
JP 2001-334593 A
[Problems to be solved by the invention]
However, the conventional bathroom floor has a problem that drainage is poor, water accumulates on the surface, and the bathroom floor does not dry naturally even after a long time. Further, in the case of the method disclosed in Patent Document 2, there is a problem that dirt easily accumulates in the groove and cleaning is difficult.
[0005]
Therefore, an object of the present invention is to provide a bathroom floor that easily dries naturally in a short time, hardly adheres dirt, and is easy to clean.
[0006]
[Means for Solving the Problems]
The above object is achieved by arranging the bathroom floor according to the first aspect of the present invention, that is, a linear hydrophilic portion and a linear water-repellent portion in parallel contact with each other, and the hydrophilic portion is continuous with the drain port. This is achieved by a bathroom floor characterized by the following.
[0007]
The object is a bathroom floor according to the present invention described in claim 2, that is, an island-shaped water-repellent portion, and a mesh-shaped hydrophilic portion surrounding the water-repellent portion, and the hydrophilic portion is continuous with the drain port. It is also achieved by a bathroom floor characterized by being. The shape of the island-shaped water-repellent portion may be a square, a rectangle, a rhombus, a parallelogram, a trapezoid, another square, a triangle, a hexagon, a circle, an ellipse, a star, and the like.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of a bathroom floor according to the present invention will be described with reference to the accompanying drawings.
[0009]
A photocatalytic paint was used as a hydrophilic paint and applied to an FRP floor such as a unit bath or a system bath to form a hydrophilic portion. When the contact angle was measured on the surface of the obtained hydrophilic portion, it was confirmed that the contact angle was about 15 °. However, in practice, even if a silicone-based paint having a siloxane bond as a skeleton is used, it is sufficient if the contact angle is 40 ° or less.
[0010]
Next, after applying a masking tape or the like to perform masking, a water-repellent portion was formed. As a water-repellent paint, a fluorine / silicone paint was applied to a floor made of FRP or a coated surface of a hydrophilic paint to form a water-repellent portion. When the contact angle of the surface of the obtained water repellent portion was measured, it was confirmed that the contact angle was around 100 °.
[0011]
The influence of the width of the hydrophilic portion and the width of the water-repellent portion was examined for a stripe pattern (striped pattern) in which a linear hydrophilic portion and a linear water-repellent portion were arranged in parallel contact. FIG. 1 is an explanatory view showing the influence of the ratio of the width of the hydrophilic portion to the width of the water-repellent portion in the embodiment of the stripe pattern. Experiments have shown that spherical water droplets 3 are formed on the surface of each water-repellent portion 2, and the diameter of the water droplets 3 is almost proportional to the width W2 of the water-repellent portion 2. Further, it was found by an experiment that a thin water film 4 spreads over the entire surface of each hydrophilic portion 1. However, it was found by an experiment that if the width W2 of the water-repellent portion 2 was too narrow, a large and thick water pool was likely to be formed over the two hydrophilic portions 1 sandwiching the water-repellent portion 2. Furthermore, the width W1 of the hydrophilic portion 1 and the width W2 of the water-repellent portion 2 were changed to compare the results of the formation of water droplets and water films. The width W2 of the water-repellent portion 2 was 20 mm or less, particularly about 5 to about 10 mm. Experiments have shown that large water droplets and large pools are unlikely to occur.
[0012]
When only the hydrophilic portion is used, a thin water film is formed on the entire surface, and the entire surface is wet for a long time.
[0013]
FIG. 2 is an explanatory diagram of the arrangement of hydrophilic portions and water-repellent portions in a cross pattern composed of a square and a grid surrounding the square.
[0014]
In (C), the square is the hydrophilic portion 1 and the lattice surrounding it is the water-repellent portion 2. It was confirmed by an experiment that the hydrophilic portion 1 was discontinuous and was isolated and surrounded by the water-repellent portion 2, so that a large amount of water accumulated in the hydrophilic portion 1 and a thick water film was formed. Further, it has been found through experiments that if the width of the water-repellent portion 2 is too narrow, a large and thick puddle is formed from the two hydrophilic portions 1 sandwiching the water-repellent portion 2 and beyond the water-repellent portion 2.
[0015]
In (D), the square is the water-repellent portion 2 and the lattice surrounding it is the hydrophilic portion 1. Since the hydrophilic portion 1 was continuous and was in contact with the water-repellent portion 2, most of the water flowed off, and it was confirmed by an experiment that a thin water film spread on the surface of the hydrophilic portion 1. Further, it was found by experiments that spherical water droplets having a small diameter remain in the water-repellent portion 2.
[0016]
As a result, (D) is easier to dry.
[0017]
Embodiments (a) to (c)
FIG. 3 is an explanatory view showing various stripe patterns. (A) has a width of 10 mm for both the hydrophilic portion 1 and the water-repellent portion 2, and (b) has a width of 5 mm for both the hydrophilic portion 1 and the water-repellent portion 2. In (c), the width of the hydrophilic portion 1 is 5 mm, and the width of the water-repellent portion 2 is 10 mm.
[0018]
Embodiments (d) to (g)
FIG. 4 is an explanatory diagram showing various cross patterns. In (d), the water-repellent portion 2 is a square of 10 × 10 mm, and the width of the hydrophilic portion 1 is 10 mm. In (e), the water-repellent portion 2 is a 5 × 5 mm square, and the width of the hydrophilic portion 1 is 5 mm. In (f), the width of the water-repellent portion 2 is 10 mm × 10 mm, and the width of the hydrophilic portion 1 is 5 mm. In (g), the water-repellent portion 2 is a rectangle of 10 × 40 mm, and the width of the hydrophilic portion 1 is 10 mm.
[0019]
Comparative examples (h) and (i)
(H) is only a hydrophilic part, and (i) is only a water-repellent part.
[0020]
Each of the patterns (a) to (i) is coated with a hydrophilic paint and a water-repellent paint in an amount of 1 to 10 μm each on the floor surface. In addition, you may apply a primer paint first to a floor surface, and apply a hydrophilic paint and a water-repellent paint on it. Two liters of water were run down the floor.
[0021]
Then, it was left for a predetermined time in a constant temperature bath maintained at the temperature and humidity under the conditions shown in Table 1, and the dryness of the floor surface was visually evaluated.
[Table 1]
Figure 2004100358
The results of the visual evaluation are shown in Table 2.
[Table 2]
Figure 2004100358
[0022]
Table 3 is a table showing a change with time of the drying condition of the floor surface under the condition 1. The embodiment (f) is dried after elapse of 30 minutes, and the embodiments (a) to (d) and (g) are dried in about 60 minutes. On the other hand, Comparative Example (h) (only the hydrophilic portion) was initially entirely wet and dried only after 90 minutes. Furthermore, in Comparative Example (i) (only the water-repellent portion), a large pool was initially formed, and the sample was still undried after 120 minutes.
[Table 3]
Figure 2004100358
[0023]
Table 4 is a table showing the time-dependent change of the drying condition of the floor surface under the condition 2. Compared to the condition 1, the condition 2 has a temperature different from 15 ° C. to 30 ° C. and a humidity higher than 40% to 80%. The embodiment (f) is dried after a lapse of 60 minutes, and the embodiments (a), (c) and (g) are dried after a lapse of 90 minutes.
[Table 4]
Figure 2004100358
[0024]
Table 5 is a table showing a change with time of the drying condition of the floor surface under the condition 3. When the conditions 2 and 3 are compared, the humidity is equal to 80%, but the temperature is 30 ° C. for the former and 15 ° C. for the latter. Embodiments (c), (d) and (f) are the earliest and dry after 120 minutes.
[Table 5]
Figure 2004100358
[0025]
From the results of the visual evaluation, 1) the combination of the hydrophilic portion and the water-repellent portion has a shorter time required for drying, and 2) the embodiment (f) is the fastest drying.
[0026]
Next, a test was performed on a waterproof pan having a test area of 400 mm × 400 mm. For the embodiments (a) to (g), (m) and (n) and the comparative examples (h) and (i) and the blank (normal bathroom floor), water was flowed on the floor, and then the temperature was reduced to about It was left in an environment of 25 ° C. and a humidity of about 60%, and the remaining amount of water after a predetermined time had elapsed was measured. The measurement results are shown in Table 6 and FIG.
[Table 6]
Figure 2004100358
[0027]
At the start of the test, that is, when the elapsed time is 5 minutes, the remaining amount of water in the blank is about 40 g, whereas in the embodiments (a) to (g), (m), and (n), about 4 to It is about 13 g, indicating that the remaining amount of water is 1/3 or less.
[0028]
When the elapsed time is 30 minutes, the remaining amount of water is 36 g in the blank, but about 1 to about 8 g in the embodiments (a) to (g), (m), and (n). It can be understood that the remaining amount of is not more than 1/4. In particular, in the embodiments (c), (m), (n), and (f), it can be seen that the drying progressed after the elapsed time of 30 minutes.
[0029]
When the elapsed time is 60 minutes, the remaining amount of water is about 29 g in the blank, whereas the remaining amount of water in the embodiments (a) to (g), (m), and (n) is 3 g or less, particularly (c), In (f), it turns out that it is 0.3g or less and it is almost dry.
[0030]
At an elapsed time of 120 minutes, the blank had a residual water level of about 23 g and was still wet, whereas in most embodiments the residual water level was less than 0.3 g and was almost dry.
[0031]
It should be noted that the water remaining in (e) became 0.6 g at the elapsed time of 120 minutes because the grid interval was as small as 5 mm, so that the water curtain was formed partially across the water-repellent portion. Because it was done.
[0032]
【The invention's effect】
In the bathroom floor according to the first invention (claim 1), a linear hydrophilic portion and a linear water-repellent portion are arranged in parallel contact with each other, and the hydrophilic portion is continuous with the drain port. The bathroom floor dries naturally within about 60 minutes, and there is almost no physical step between the hydrophilic part and the water-repellent part, so that dirt and dust hardly adhere and cleaning is easy. The effect that it is easy to do is obtained.
[0033]
Also, since the hydrophilic portion and the water-repellent portion can be formed regardless of the surface shape of the bathroom floor, after forming the surface shape of the bathroom floor, the hydrophilic portion and the water-repellent portion are formed by post-processing. After the abrasion, the hydrophilic portion and the water-repellent portion can be reformed and repaired.
[0034]
Similarly, the bathroom floor according to the second invention (claim 2) can be easily dried naturally, hardly stained, and easily cleaned.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram showing the influence of the ratio of the width of a hydrophilic portion to the width of a water-repellent portion on an embodiment of a stripe pattern.
FIG. 2 is an explanatory diagram of an arrangement of a hydrophilic portion and a water-repellent portion in a cross pattern including a square and a lattice surrounding the square.
FIG. 3 is an explanatory diagram showing various stripe patterns.
FIG. 4 is an explanatory diagram showing various cross patterns.
FIG. 5 is a graph showing a result of measuring a remaining amount of water after a predetermined period of time by flowing water on a bathroom floor.
[Explanation of symbols]
1 hydrophilic part 2 water repellent part 3 water drop 4 water film

Claims (4)

直線状の親水部分と直線状の撥水部分とを平行に接して配置し、親水部分が排水口に連続していることを特徴とする浴室床。A bathroom floor in which a linear hydrophilic portion and a linear water-repellent portion are arranged in parallel contact with each other, and the hydrophilic portion is continuous with a drain port. 島状の撥水部分と、撥水部分を取り囲む網目状の親水部分とからなり、親水部分が排水口に連続していることを特徴とする浴室床。A bathroom floor comprising an island-shaped water-repellent portion and a mesh-shaped hydrophilic portion surrounding the water-repellent portion, wherein the hydrophilic portion is continuous with the drain port. 撥水部分の幅と親水部分の幅との比が1:1から10:3であり、撥水部分の幅が5〜20mmである請求項1または請求項2に記載の浴室床。The bathroom floor according to claim 1 or 2, wherein the ratio of the width of the water-repellent portion to the width of the hydrophilic portion is 1: 1 to 10: 3, and the width of the water-repellent portion is 5 to 20 mm. 親水部分は光触媒系塗料または無機系塗料を塗布して形成し、撥水部分はフッ素系塗料、シリコーン系塗料、またはフッ素・シリコーン系塗料を塗布して形成している請求項1から3までのいずれか1つに記載の浴室床。4. The method according to claim 1, wherein the hydrophilic portion is formed by applying a photocatalytic paint or an inorganic paint, and the water-repellent portion is formed by applying a fluorine-based paint, a silicone-based paint, or a fluorine-silicone-based paint. The bathroom floor according to any one of the above.
JP2002266460A 2002-09-12 2002-09-12 Bathroom floor Pending JP2004100358A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007291745A (en) * 2006-04-25 2007-11-08 Matsushita Electric Works Ltd Water section member
JP2008031665A (en) * 2006-07-26 2008-02-14 Matsushita Electric Works Ltd Water section member
US8693578B2 (en) 2009-12-08 2014-04-08 Nec Corporation Transmission device
JP2015200106A (en) * 2014-04-08 2015-11-12 住友大阪セメント株式会社 Floor tile and manufacturing method of floor tile
US10923748B2 (en) * 2012-04-04 2021-02-16 Nissan Motor Co., Ltd. Air cell
CN114961164A (en) * 2022-06-02 2022-08-30 北京三佳筑品建材有限公司 Hydrophobic special-shaped floor for building construction

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007291745A (en) * 2006-04-25 2007-11-08 Matsushita Electric Works Ltd Water section member
JP2008031665A (en) * 2006-07-26 2008-02-14 Matsushita Electric Works Ltd Water section member
US8693578B2 (en) 2009-12-08 2014-04-08 Nec Corporation Transmission device
US10923748B2 (en) * 2012-04-04 2021-02-16 Nissan Motor Co., Ltd. Air cell
JP2015200106A (en) * 2014-04-08 2015-11-12 住友大阪セメント株式会社 Floor tile and manufacturing method of floor tile
CN114961164A (en) * 2022-06-02 2022-08-30 北京三佳筑品建材有限公司 Hydrophobic special-shaped floor for building construction
CN114961164B (en) * 2022-06-02 2023-09-01 北京三佳筑品建材有限公司 Hydrophobic special-shaped floor for building construction

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