JP3138088B2 - Antibacterial floc product - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a flocked product.

[0002]

2. Description of the Related Art A flocked sheet is known in which a short fiber (pile) having a predetermined length is charged, and a flocked sheet is vertically implanted on the surface of a substrate such as vinyl chloride resin to which an adhesive is applied. This flocked sheet is formed into an arbitrary shape by vacuum molding or the like, and is often used as a packaging material.

[0003]

In recent years, flocking sheets have been widely used for household goods. The material and manufacturing method of the flocked sheet have also been improved, and with the diversification of size and strength, not only packaging materials but also the antimicrobial properties of antibacterial products have spread as they are used in parts that are easily contaminated, such as surface parts of durable consumer goods, and parts that are difficult to clean. The property and insect repellency are demanded.

[0004] An object of the present invention is to provide a floc processed product having antibacterial properties and insect repellency.

[0005]

Means for Solving the Problems In order to solve the above-mentioned problems, the invention according to claims 1 to 3 is directed to a floc-processed product in which short fibers are fixed to a substrate coated with an adhesive by utilizing static electricity. The antibacterial agent is kneaded in the short fibers, the antibacterial agent is added to the adhesive, or the antibacterial agent is kneaded and molded into the resin constituting the base material. Moreover, as an anti-bacterial agents, it was decided to adopt a silver-silica gel-based antimicrobial agent that at least a part of the surface of Ko該silica gel was supported silver thiosulfate complex salts of silica gel formed by coating with the hydrolyzate of the tetraalkoxysilane.

The invention according to claim 4 employs a configuration in which a cockroach repellent is added to at least the adhesive in order to further achieve insect repellency. Further, in the invention of claim 5 , a cockroach repellent containing at least one of a transdermally effective cockroach repellent material and a gasification-evaporating cockroach repellent material is adopted.

[0007]

[Function] The surface of a flocked product becomes dirty after being used for a while. That is, it is contaminated with microorganisms and becomes a place for bacterial growth. Therefore, according to the invention of claims 1 to 3, the antibacterial agent is kneaded in the short fiber or the base material, or by adding the antibacterial agent to the adhesive at the time of flocking, on the flocking product. Inhibits bacterial growth. Furthermore, by using an inorganic antibacterial agent having a low vapor pressure as an antibacterial agent, in particular, a silver silica gel-based antibacterial agent containing a silver thiosulfato complex salt, the low vapor pressure and the safety of silver make it safe for human body and environmentally friendly. Pollution is obtained.

[0008] Not only the base resin of the floc processed product, but also the adhesive for fixing the short fibers on the base material surface include:
It contains substances that serve as nutrient sources for microorganisms, as well as organic substances that serve as baits such as cockroaches. Fatty acids and fatty acid salts, which are common as resin additives, are known as cockroache ingesting substances. Therefore, according to the invention of claim 4 , by adding a cockroach repellent to at least the adhesive, an action of repelling cockroaches from the surface of the floc processed product is exhibited. In particular, according to the invention of claim 5, the repellent agent penetrates from the antenna of the cockroach to be penetrated and the skin of the foot by adopting the transcutaneously effective cockroach repellent material,
The repellent effect is exhibited. For example, if a gasified and transpirable cockroach repellent material having a sustained release effect by microencapsulation is employed, the effectiveness of a cockroach repellent, which is limited in duration by gasification, can be extended.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a perspective view for explaining the configuration of an antibacterial floc processed product according to an embodiment of the present invention. FIG.
In the figure, reference numeral 1 denotes a base resin plate into which silver silica gel antibacterial agent particles 2 containing a silver thiosulfato complex salt are kneaded. Reference numeral 3 denotes an adhesive layer, which contains, in addition to the silver silica gel-based antibacterial agent particles 2, a cockroach repellent 4 comprising both a transdermally effective cockroach repellent material and a microencapsulated gasified and transpirable cockroach repellent material. Including. Reference numeral 5 denotes a short fiber, which is obtained by kneading silver silica gel-based antibacterial agent particles 2.

Next, a method for producing the silver silica gel antibacterial agent particles 2 will be described.

100 parts by weight of a water-soluble silver salt such as silver acetate is added to and dissolved in water containing no chlorine, 450 parts by weight of a mixture of sodium sulfite and sodium bisulfite, and 300 parts by weight of a water-soluble salt of sodium thiosulfate. Are sequentially and sufficiently stirred and dissolved to obtain an aqueous solution of a silver complex salt.
The weight of sodium thiosulfate is based on its hydrate Na ₂ S ₂ O
Shown as weight of ₃ · 5H ₂ O.

The carrier used for the silver silica gel-based antibacterial agent particles 2 of this embodiment is a B-type silica gel powder described in "JIS Z 0701 silica gel desiccant for packaging". The B-type silica gel powder has a low moisture absorption rate at low humidity, a high moisture absorption rate at high humidity, and a high total moisture absorption at high humidity, and has an average particle size of about 8 μm.

The silica gel powder is dried at 180 ° C. for 2 hours or more. The silver thiosulfato solution is mixed with 100 parts by weight of the silica gel so that the silver component is 2 parts by weight. Next, the water absorbed in the solvent and the carrier is promptly removed. This is pulverized to a predetermined particle size to obtain silica gel carrying an antibacterial material.

As a coating material, 100 parts by weight of the above silica gel is dispersed in a solution obtained by diluting 100 parts by weight of tetraethoxysilane with 100 parts by weight of ethyl alcohol, and 20 parts by weight of pure water is added thereto. Is hydrolyzed to coat at least a part of the surface of the silica gel. Next, this is dried to obtain silver silica gel antibacterial agent particles 2.

(Embodiment 1) First, an example applied to a telephone push button will be described in detail.

The base material is a hard vinyl chloride resin having a thickness of 1 mm, and contains therein 1 wt% of silver silica gel antibacterial agent particles. The adhesive is a reactive acrylic copolymer type material and contains 3 wt% silver silica gel antibacterial particles. This adhesive further contains 1 wt% of anilicene BPD-21 (manufactured by Daiwa Chemical Co., Ltd.) as a cockroach repellent material, and organophosphorus-based diazinon (diethyl2-isop).
ropyl-sodium tetraborate-methyl-6-
pyrimidinyl phosphorothio
1) containing a diazinon MC agent microencapsulated with a polyamide resin. 0.5 for short fibers
Denier, 0.5 mm long rayon, flocked on the substrate. Such a flocked product was vacuum-formed into a convex shape with a 3 mm-high elliptical push button.

Table 1 shows the number of bacteria on the surface of the product of the present invention and the conventional product. According to this embodiment, the antibacterial property of the surface is exhibited, and the cleanliness is maintained.

[0019]

[Table 1]

Table 2 shows the results of the cockroach repellent test of this example. The repellent test used 30 adult German cockroaches, and measured the number of invasions into the inside of a telephone set with food. As a result, a practical repellent rate shown in Table 2 was obtained.

[0021]

[Table 2]

(Embodiment 2) Next, an example applied to a strainer will be described in detail.

The substrate is a 0.6 mm thick SUS304 plate processed into a conventional strainer shape. The adhesive is a reactive acrylic copolymer type material, 3 wt% of silver silica gel antibacterial agent particles, and 1 w of Anilicene BPD-21 (product of Daiwa Chemical Co., Ltd.) as a cockroach repellent material.
t% included. The short fibers are 0.5 denier, 0.8 mm long polypropylene resin pile, in which 1 wt%
Silver silica-based antibacterial agent particles, and are subjected to flocking on the base material.

The same performance as in Example 1 was confirmed for this strainer. In addition, it was found that water repellency was obtained on the flocks for a while after use.

[0025]

As described above, claims 1 to 3 are described.
According to the invention of the present invention, since the short fiber constituting the flocking product, the adhesive or the composition in which the antibacterial agent is contained in the base material is adopted, bacterial growth on the surface thereof is suppressed, and cleanliness can be maintained. low inorganic antibacterial agent vapor pressure as antibacterial agents, especially by the use of silver-silica gel-based antimicrobial agent comprising a silver thiosulfate complex, non-contaminating with respect to safety and environment for the human body can be obtained.

According to the fourth and fifth aspects of the present invention, both the antibacterial property and the insect repellent property can be achieved by using the antibacterial agent and the cockroach repellent together, and the cleanliness can be further maintained. Moreover, the use of repellents is more secure than the case of using insecticides.

[Brief description of the drawings]

FIG. 1 is a perspective view of an antibacterial floc product according to an embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 1 base resin plate 2 silver silica gel antibacterial agent particles 3 adhesive layer 4 cockroach repellent 5 short fiber

Continuation of front page (72) Inventor Atsushi Nishino 1006 Kazuma Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. (56) References JP-A-5-237316 (JP, A) JP-A-63-305809 (JP) JP-A-59-125509 (JP, A) JP-A-61-196042 (JP, A) JP-A-61-195177 (JP, A) JP-A-1-287172 (JP, A) JP-A-2-290101 (JP, A) JP-A-2-72101 (JP, A) JP-A-2-292201 (JP, A) JP-A-4-94791 (JP, A) JP-A-4-122493 (JP, A A) Japanese Utility Model Showa 63-9967 (JP, U) Japanese Utility Model Showa 64-51646 (JP, U) Japanese Utility Model Showa 1-1124290 (JP, U) (58) Fields surveyed (Int. Cl. ⁷ , DB name) A46B 1/00-17/08 A46D 1/00-9/06 A01N 1/00-65/02 A47G 27/00-27/06 A01L 1/00-15/00 A01K 1/00-3/00 A01K 31/00-31/24 A61L 9/00-9/72 A61L 47/00-47/48 A01M 1/00-31/06 B01D 39/00-41/04 B41M 1/00-3/18 B41M 7 / 00-9/04 B32B 1/00-35/00 C09J 1/00-1/02 C 09J 4/00-5/10 C09J 9/00-201/10 C09J 7/00-7/04 C08K 3/00-13/08 C08L 1/00-101/16 C01B 33/20-39/54 G02G 1 / 00-3/48 D02J 1/00-13/00

Claims (5)

(57) [Claims] 1. A floc-processed product obtained by fixing short fibers to a substrate coated with an adhesive by using static electricity, wherein a silver thiosulfato complex salt is added to silica gel in the short fibers.
Supported and at least part of the surface of the silica gel
Silver coated with hydrolyzate of traalkoxysilane
An antibacterial floc processed product characterized by kneading a Rica gel antibacterial agent. 2. A floc processed product comprising a short fiber fixed to a substrate coated with an adhesive by utilizing static electricity, wherein a silver thiosulfato complex salt is added to silica gel in the adhesive.
Supported and at least part of the surface of the silica gel
Silver coated with hydrolyzate of traalkoxysilane
An antibacterial floc processed product characterized by adding a lycagel antibacterial agent. 3. A floc-processed product obtained by fixing short fibers to a base material coated with an adhesive by utilizing static electricity, wherein the base material supports a silver thiosulfato complex salt on silica gel.
And at least part of the surface of the silica gel is
Silver silica coated with hydrolyzate of alkoxysilane
An antibacterial floc processed product comprising a resin obtained by kneading and molding a gel antibacterial agent. 4. The processed antibacterial floc product according to any one of claims 1 to 3 , wherein a cockroach repellent is added to at least the adhesive. 5. The antibacterial floc processed product according to claim 4 , wherein the cockroach repellent comprises at least one of a transdermally effective cockroach repellent material and a gasified and transpirable cockroach repellent material. Antibacterial floc processed product characterized by the following.