JPH08100092A - Mildew-resistant resin composition and mildew-resistant shower hose - Google Patents

Abstract

PURPOSE: To obtain a mildew-resistant resin compsn. which is substantially free from a problem of occurrence of mildew. CONSTITUTION: This mildew-resistant resin compsn. comprises an antibacterial/ mildew-proofing agent and a water repellent. The resin compsn. is molded into a mildew-resistant shower hose. Due to the water repellency by the water repellent, water present on the surface of the shower hose is repelled, thus making it easy to dry the surface of the hose. The repelling of the water therefrom prevents the occurrence of mildew. The occurrence of mildew can surely be prevented by virtue of mildew-proofing activity of the antibacterial/mildew- proofing agent. The use of the antibacterial/mildew-proofing agent in combination with the water repellent can offer an excellent synergistic effect which can substantially completely prevent the occurrence of mildew.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mildew-proof resin composition and a mildew-proof shower hose which have almost no problem of mold formation.

[0002]

2. Description of the Related Art Shower hoses are liable to be moldy because they are placed in hot and humid bathrooms and around water with high humidity, and black molds spoil the aesthetics. It is unsanitary. Needs frequent cleaning and is not easy to clean. There is such a problem.

Therefore, in order to prevent the occurrence of this mold, a resin composition for molding a shower hose has conventionally been kneaded with a fungicide.

[0004]

If the shower hose is formed by using the resin composition in which the mildew-proofing agent is kneaded, compared to the shower hose formed by using the resin composition in which the mildew-proofing agent is not kneaded. Therefore, it is possible to prevent the generation of mold to some extent.

However, since molds originally have the property of easily propagating in moist places, in a shower hose placed in a high humidity environment, even if a mildew-proofing agent is kneaded in the resin composition, On the surface of the hose, particularly in a portion that is difficult to dry, such as a connection portion with a shower nozzle, a sufficient fungicide-proof effect cannot be obtained, and generation of mold is recognized.

An object of the present invention is to solve the above-mentioned conventional problems and to provide a resin composition and a shower hose which are substantially free from the problem of mold and have excellent antifungal properties.

[0007]

The antifungal resin composition according to claim 1 is characterized by containing an antibacterial and antifungal agent and a water repellent.

According to a second aspect of the present invention, there is provided the antifungal resin composition according to the first aspect, wherein the resin is a vinyl chloride resin.

According to a third aspect of the present invention, there is provided an antifungal shower hose formed by using the resin composition according to the first or second aspect.

The present invention will be described in detail below.

In the present invention, the following antibacterial and antifungal agents can be used, for example.

Ag and / or Zn supported on zeolite Ag and / or Zn supported on phosphate such as calcium phosphate Ag and / or Zn supported on silica gel N-trichloromethylthiotetrahydrophthalimide etc. N -Compounds having a halomethyl group Benzothiazole compounds such as thiabendazole Phenol compounds such as 2,5-dichloro-4-bromophenol 2-Thiazolin compounds such as 2-methyl-isothiazolin-3-one and magnesium chloride Antibacterial and antifungal agents The content of the agent in the resin composition varies depending on the antifungal performance and the like of the antibacterial and antifungal agent, but in the usual case, the content ratio in the resin composition is in the range of 0.1 to 10% by weight. If this ratio is less than 0.1% by weight, sufficient antifungal properties cannot be obtained, and if it exceeds 10% by weight, there is no significant difference in the antifungal effect, and the amount of antibacterial and antifungal agents used is undesirably large. .

On the other hand, as the water repellent, a silicon water repellent such as silicone oil and emulsion and dispersion of silicon oil, a fluorine water repellent such as a vinyl compound having a fluoroalkyl group, an ester, an alcohol and an epoxy compound is used. Etc. can be used. The content of these water repellents in the resin composition varies depending on the water repellent to be used, but in the usual case, the ratio of the active ingredient is in the range of 0.1 to 10% by weight. This ratio is 0.1
If it is less than 10% by weight, a sufficient water-repellent effect cannot be obtained.
Even if it exceeds, there is no great difference in the water-repellent effect, and the amount of the water-repellent agent used becomes large, which is not preferable.

The antifungal resin composition of the present invention can be easily produced by kneading the above-mentioned antibacterial antifungal agent and water repellent in a predetermined composition at the time of producing the resin composition. The type of resin of the resin composition is not particularly limited, but a vinyl chloride resin is suitable for a shower hose.

The antifungal shower hose of the present invention can be easily produced by molding the antifungal resin composition according to a conventional method.

[0016]

Since the resin composition of the present invention contains a water repellent together with an antibacterial and antifungal agent, the water repellent effect of this water repellent can repel water on the surface of the shower hose and facilitate the drying of the surface. Therefore, it is possible to prevent the generation of mold.

Even if the surface of the shower hose is dried due to the water-repellent effect of the water-repellent agent, the shower hose itself is exposed to a moist atmosphere, so that mold is likely to occur. However, in the present invention, since the antibacterial and antifungal agent is contained, the antifungal effect of the antibacterial and antifungal agent surely prevents the generation of mold.

Thus, the excellent synergistic effect of the combined use of the antibacterial and antifungal agent and the water repellent can almost completely prevent the generation of mold.

[0019]

EXAMPLES The present invention will be described more specifically with reference to Examples and Comparative Examples below.

Example 1 A vinyl chloride resin composition in which Ag was supported on zeolite as an antibacterial and antifungal agent was kneaded at a ratio shown in Table 1 as an Ag content, and a silicone water repellent was used as a water repellent. A shower hose was molded by a conventional method using a mixture of silicone oil as an agent in a ratio shown in Table 1.

The shower hose was sprayed with a spore suspension obtained by suspending the mold spores of the fungal species shown in Table 1,
The dish was placed in a petri dish with a lid and allowed to stand in an atmosphere of 90% relative humidity and a temperature of 28 ° C. for 9 days, and the mold reproduction state was visually observed. The results are shown in Table 1. In addition, the mold spore suspension was prepared according to JIS Z2911, and the spores of the original mold strain were
Collect platinum loops (collected 5 times with a ring-shaped platinum collector with a diameter of 2 mm, 5 times the standard platinum loop volume), rub on a slant culture medium, collect 5 platinum loops from this slant culture medium, and add sterilizing water containing a wetting agent. It was prepared by adding to 10 ml.

Comparative Example 1 A hose was molded in the same manner as in Example 1 except that the antibacterial and antifungal agent alone was kneaded into the resin composition, and the water repellent was not kneaded. The results are shown in Table 1.

Comparative Example 2 A hose was molded in the same manner as in Example 1 except that the resin composition was not kneaded with a water repellent and an antibacterial and antifungal agent, and a mold reproduction test was conducted in the same manner. Shown in 1.

[0024]

[Table 1]

From Table 1, it is clear that according to the present invention, the generation of mold can be almost completely prevented. On the other hand, the conventional shower hose using only the antibacterial and antifungal agent (Comparative Example 1) and the shower hose not using the water repellent and the antibacterial and antifungal agent (Comparative Example 2) have sufficient antifungal effect. Not obtained,
It is clear that the excellent antifungal effect according to the present invention is achieved by the remarkably good synergistic effect of the combined use of the antibacterial antifungal agent and the water repellent.

[0026]

As described in detail above, according to the antifungal resin composition of the present invention, the generation of mold is surely prevented by the remarkably excellent synergistic effect of the antibacterial antifungal agent and the water repellent.

With the antifungal shower hose of the present invention molded using such an antifungal resin composition, it is possible to prevent mold from occurring for a long period of time, which is hygienic and aesthetically pleasing, and requires less labor for cleaning. Shower hose provided.

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Claims (3)

[Claims] 1. An antifungal resin composition comprising an antibacterial and antifungal agent and a water repellent. 2. The antifungal resin composition according to claim 1, wherein the resin is a vinyl chloride resin. 3. An antifungal shower hose formed by using the resin composition according to claim 1 or 2.