JP2021014650A - Textile fabric with deodorant, antibacterial, anti-allergen, anti-virus and anti-tick properties - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fiber cloth capable of uniformly dispersing an oil-based mite-proofing agent in a water-based deodorant composition and an inorganic antibacterial agent, and having deodorant, antibacterial, anti-allergen, anti-virus and anti-mite performance at the same time. offer. SOLUTION: The fiber cloth is provided with a cloth and a resin layer laminated on the lower surface side of the cloth, and the resin layer is (a) a base resin (b) an inorganic porous substance, a metal hydroxide, and metal oxidation. Deodorant composition containing a substance and a metal silicate (c) Anti-tick agent (d) Dispersant having an acidic group. [Selection diagram] None

Description

The present invention relates to, for example, a fiber fabric having deodorant, antibacterial, antiallergen, antiviral, and mite-proof properties.

The problem of living odor has become a major concern for modern people. There is a strong demand for deodorizing various odors not only in houses but also in automobiles, trains, and passenger planes. Moreover, not only deodorization is required, but also fiber fabrics having antibacterial, allergen, and antiviral performance are being required at the same time.

Therefore, the applicant has applied for Patent Document 1 from an amine compound, an inorganic deodorant, a first salt composed of a metal phosphate, an inorganic antibacterial agent, a sulfonate and a carboxylate. Discloses a deodorant antibacterial composition characterized by containing at least one second salt selected from the above group and a binder resin.

Furthermore, the applicant has also applied for Patent Document 2, which includes an inorganic antibacterial antiviral agent containing at least one selected from silver-based, copper-based, and zinc-based, and an allergen adsorbent composed of an inorganic layered mineral. Disclosed is a fiber fabric characterized in that the chelate complex is adhered to at least a part by a binder resin.

Patent Document 1 can provide a deodorant antibacterial cloth having excellent deodorant and antibacterial properties. Patent Document 2 can provide a fiber fabric having antibacterial, antiviral and antiallergen functions.

International release WO2014 / 102980 JP 2011-246859

However, in recent years, there has been a demand for a fiber fabric having deodorant, antibacterial, antiallergen, and antiviral properties as well as anti-tick properties at the same time. Even if an oil-based mite-proofing agent was tried to be mixed with a water-based deodorant and an antibacterial agent, it could not be uniformly mixed with water and oil.

The present invention has been made in view of such a technical background, and an oil-based mite-proofing agent can be uniformly dispersed in an aqueous deodorant composition and an inorganic antibacterial agent, and deodorant, antibacterial, and the like. It is an object of the present invention to provide a fiber cloth having anti-allergen, anti-virus and anti-tick performance at the same time.

In order to achieve the above object, the present invention provides the following means.

[1] A fiber fabric comprising a fabric and a resin layer laminated on the lower surface side of the fabric.
The resin layer is
With the base resin
A deodorant composition containing an inorganic porous substance, a metal hydroxide, a metal oxide, and a metal silicate,
Anti-tick and
A fiber fabric containing a dispersant having an acidic group.

[2] The fiber fabric according to item 1 above, wherein the acidic group is one or more acidic groups selected from the group consisting of a phosphoric acid group, a carboxyl group, a hydroxyl group and a sulfonic acid group.

[3] The fiber cloth according to the above item 1 or 2, which contains 1 part by mass to 30 parts by mass of the dispersant having an acidic group per 100 parts by mass of the deodorant composition.

[4] The fiber fabric according to any one of items 1 to 3 above, which contains 5 parts by mass to 300 parts by mass of the mite-proofing agent per 100 parts by mass of the deodorant composition.

In the invention of [1], it is a fiber cloth including a cloth and a resin layer laminated on the lower surface side of the cloth, and the resin layer is (a) a base resin and (b) an inorganic porous substance. , A deodorant composition containing a metal hydroxide, a metal oxide, and a metal silicate, (c) an anti-tick agent, and (d) a dispersant having an acidic group. It is possible to provide a woven fabric having odor, antibacterial, anti-allergen, anti-virus and anti-tick properties. (D) Since it contains a dispersant having an acidic group, it is deodorant containing an aqueous (a) base resin and (b) an inorganic porous substance, a metal hydroxide, a metal oxide, and a metal silicate. The composition and the oil-based (c) anti-tick agent can be uniformly dispersed. The metal hydroxide also has an antiallergen effect, and the metal silicate also has an antiviral and antibacterial effect.

In the invention of [2], since the acidic group is one or more acidic groups selected from the group consisting of a phosphoric acid group, a carboxyl group, a hydroxyl group and a sulfonic acid group, an aqueous deodorant and an oil. It can uniformly disperse the anti-tick agent of the system, has deodorant, antibacterial, anti-allergen, anti-virus properties, and can also have anti-tick performance.

In the invention of [3], since 1 part by mass to 30 parts by mass of a dispersant having an acidic group is contained in 100 parts by mass of the deodorant composition, the water-based deodorant and the oil-based mite preventive agent are uniformly used. It can be dispersed in, has deodorant, antibacterial, anti-allergen, anti-viral properties, and can also have anti-tick performance.

In the invention of [4], since the mite-proofing agent is contained in an amount of 5 parts by mass to 300 parts by mass per 100 parts by mass of the deodorant composition, it has a deodorant, antibacterial, allergen, and viral effect, and also has a mite-proofing effect. be able to.

An embodiment of the fiber fabric according to the present invention will be described. The fiber cloth of the present embodiment is a fiber cloth including a cloth and a resin layer laminated on the lower surface side of the cloth, and the resin layer is (a) a base resin and (b) an inorganic porous material. It contains a deodorant composition containing a quality substance, a metal hydroxide, a metal oxide, and a metal silicate, (c) a tick-proofing agent, and (d) a dispersant having an acidic group. It is characterized by.

The fiber cloth needs to include a cloth and a resin layer laminated on the lower surface side of the cloth. As the fiber cloth, it is preferable that the front side is a cloth and the back side is a resin layer.

The cloth is not particularly limited, and examples thereof include pile cloth, knitted fabric, woven fabric, and non-woven fabric. The resin type of the fibers constituting the cloth is not particularly limited, and examples thereof include polyethylene fibers, polyester fibers, nylon fibers, polypropylene fibers, and polyamide fibers.

The resin layer includes a deodorant composition containing (a) a base resin, (b) an inorganic porous substance, a metal hydroxide, a metal oxide, and a metal silicate, and (c) an anti-tick agent. And (d) a dispersant having an acidic group, and need to be contained.

Formation of the resin layer (after drying) ^is preferably ^{100g / m 2 ~1000g / m 2} . When it is 100 g / m ² or more, it can be bonded to the sealing and the secondary base cloth, and when it is 1000 g / m ² or less, the weight can be reduced. Among ^them, more preferably ^{500g / m 2 ~800g / m 2} .

The base resin (a) is not particularly limited, and examples thereof include acrylic latex, urethane latex, vinyl acetate latex, nitrile-butadiene-rubber (NBR latex), and styrene-butadiene-rubber (SBR latex). Among them, styrene-butadiene-rubber (SBR latex) is preferable. The base resin (a) is water-based.

A filler, a thickener, a dispersant and the like may be appropriately added to the base resin (a).

The deodorant composition (b) includes an inorganic porous substance (b-1), a metal hydroxide (b-2), a metal oxide (b-3), and a metal silicate (b-4). It is necessary to include and. Since the deodorant composition (b) is contained in the resin layer, the deodorant property can be maintained. The deodorant composition (b) is water-based.

Examples of the inorganic porous substance (b-1) include zeolite, silicon oxide and the like. Of these, zeolite is preferable. Since the resin layer contains the inorganic porous substance (b-1), the deodorizing property can be maintained, and in particular, basic gases such as ammonia and trimethylamine can be deodorized.

Examples of the metal hydroxide (b-2) include zirconium hydride, magnesium hydroxide, aluminum hydroxide, ferrous hydroxide, copper hydroxide and the like, and zirconium hydride is preferable. Since the resin layer contains the metal hydroxide (b-2), the deodorizing property can be maintained, and in particular, acid gas such as acid can be deodorized. Furthermore, the metal hydroxide (b-2) also has an anti-allergen effect.

Examples of the metal oxide (b-3) include copper oxide, alumina, titanium oxide, zinc oxide, iron oxide, zirconium oxide and the like, and zinc oxide is preferable. Since the resin layer contains the metal oxide (b-3), the deodorizing property can be maintained, and above all, the basic gas such as ammonia and trimethylamine can be deodorized.

Examples of the metal silicate (b-4) include a complex of a metal salt and a silicate, and among them, a copper silicate is preferable. Alternatively, it is preferably composed of copper and one or more metals selected from the group consisting of zinc, manganese, cobalt and nickel. Since the resin layer contains the metal silicate (b-4), the deodorizing property can be maintained, and among them, the sulfur-based gas such as hydrogen sulfide can be deodorized. Furthermore, the metal silicate (b-4) can also have antiviral and antibacterial properties.

An inorganic antibacterial agent may be added to the resin layer. Examples of the inorganic antibacterial agent include a silver-supported inorganic porous substance, a zinc-supported inorganic porous substance, and a copper-supported inorganic porous substance. Of these, a silver-supported inorganic porous substance is preferable. Since the resin layer contains an inorganic antibacterial agent, the antibacterial property can be further improved. The inorganic antibacterial agent is water-based.

Examples of the mite-proofing agent (c) include aliphatic carboxylic acid esters and aromatic carboxylic acid esters. Of these, aromatic carboxylic acid esters are preferable. Since the resin layer contains the mite-proofing agent (c), the mite-proofing property can be maintained. The acaricide is oil-based.

The dispersant (d) having an acidic group is, for example, a dispersant having one or more acidic groups selected from the group consisting of a phosphoric acid group, a carboxyl group, a hydroxyl group and a sulfonic acid group. Can be mentioned. Of these, alpha olefin sulfonate is preferable. Since the dispersant (d) having an acidic group is contained, the resin layer contains (a) a base resin (aqueous), (b) an inorganic porous substance, a metal hydroxide, a metal oxide, and a metal. The deodorant composition (water-based) containing the silicate and (c) the mite-proofing agent (oil-based) can be uniformly dispersed. Further, by containing the dispersant (d) having an acidic group, foaming becomes easy and foaming coating becomes easy.

When a basic dispersant is used instead of the acidic group-containing dispersant (d), the deodorant composition (b) may thicken and harden, and the present invention has an acidic group-containing dispersion. Agent (d) is essential. Further, by using the dispersant (d) having an acidic group, foaming becomes easy at the time of foaming coating.

The acidic group is preferably one or more acidic groups selected from the group consisting of a phosphoric acid group, a carboxyl group, a hydroxyl group and a sulfonic acid group. Above all, it is preferable to use a sulfonic acid group.

In a dry state, it is preferable that 100 parts by mass of the deodorant composition contains 1 part by mass to 30 parts by mass of the dispersant (d) having an acidic group. A deodorant composition containing (a) a base resin (aqueous), (b) an inorganic porous substance, a metal hydroxide, a metal oxide, and a metal silicate by 1 part by mass or more (a) (Aqueous) and (c) the mite-proofing agent (oil-based) can be uniformly dispersed, and when the amount is 30 parts by mass or less, foaming can be easily performed during foaming. Above all, it is more preferably 2 to 10 parts by mass.

In a dry state, it is preferable that the acaricide (c) is contained in an amount of 5 parts by mass to 300 parts by mass per 100 parts by mass of the deodorant composition. When it is 5 parts by mass or more, mite-proof performance can be obtained, and when it is 300 parts by mass or less, the physical characteristics of the resin layer can be maintained. Above all, 80 to 200 parts by mass is more preferable.

As a method for preparing a mixed solution for forming the resin layer, a deodorant composition containing an inorganic porous substance, a metal hydroxide, a metal oxide, and a metal silicate after adding the base resin (a) is used. It is preferable to add the substance (b) and the dispersant (d) having an acidic group, and then add the tick-proofing agent (c) at the end. The order in which the deodorant composition (b) and the dispersant (d) having an acidic group are added is not particularly limited.

The method of applying the mixed solution for forming the resin layer on the lower surface side of the fabric is not particularly limited, and examples thereof include coating, spraying, and dipping. Above all, it is preferable to carry out by coating.

The method for drying the mixed solution for forming the resin layer on the lower surface side of the fabric is not particularly limited, and examples thereof include a tenter dryer and the like.

Next, specific examples of the present invention will be described, but the present invention is not particularly limited to those of these examples.

<Material used>
(A) Base resin: (SBR latex, solid content 70%, solid content 70%, charcoal cal ratio 70%)
(B) Deodorant composition containing an inorganic porous substance, a metal hydroxide, a metal oxide, and a metal silicate ... The inorganic porous substance (b-1) is a zeolite and a metal hydroxide (b). -2) is zirconium hydroxide, metal oxide (b-3) is zinc oxide, and metal silicate (b-4) is copper silicate.
(C) Anti-tick agent: Aromatic carboxylic acid ester (d) Dispersant having an acidic group: Alpha olefin sulfonate Cloth: Carpet (polypropylene, grain 800 g / m ² )

<Example 1>
First, a 1000 ml beaker was prepared to prepare a mixed solution for forming the resin layer. 866.6 g of the base resin (a) was put into the beaker. Next, the deodorant composition (1.5 g of inorganic porous substance, 1 g of metal hydroxide, 1 g of metal oxide, 1.5 g of metal silicate, and 20 g of water was dispersed in a beaker containing the base resin. 25 g of the aqueous solution) was added and stirred. Next, 0.4 g of a dispersant having an acidic group (an aqueous solution in which 0.2 g of alpha olefin sulfonate and 0.2 g of water were dispersed) was put into a beaker containing the deodorant composition, and the mixture was stirred. .. Next, 8 g of an aromatic carboxylic acid ester was added as an anti-tick agent and stirred to prepare a mixed solution for forming a resin layer. Next, a mixed solution for forming a resin layer on the lower surface side of the fabric was coated with a coating (WET coating amount 900 g / m ² ) and dried at 130 ° C. for 10 minutes to obtain a fiber fabric.

<Example 2>
A 1000 ml beaker was prepared to prepare a mixture for forming the resin layer. 871.3 g of the base resin (a) was put into the beaker. Next, the deodorant composition (1.5 g of inorganic porous substance, 1 g of metal hydroxide, 1 g of metal oxide, 3 g of metal silicate, and 18.5 g of water was dispersed in a beaker containing the base resin. 25 g of the aqueous solution) was added and stirred. Next, 0.2 g of a dispersant having an acidic group (an aqueous solution in which 0.1 g of alpha olefin sulfonate and 0.1 g of water were dispersed) was put into a beaker containing the deodorant composition, and the mixture was stirred. .. Next, a fiber cloth was obtained in the same manner as in Example 1 except that 3.5 g of an aromatic carboxylic acid ester was added as an anti-mite agent and stirred to prepare a mixed solution for forming a resin layer. ..

<Example 3>
A 1000 ml beaker was prepared to create a mixture for forming the resin layer. 860.5 g of the base resin (a) was put into the beaker. Next, the deodorant composition (1.5 g of inorganic porous substance, 2 g of metal hydroxide, 1 g of metal oxide, 1.5 g of metal silicate, and 19 g of water was dispersed in a beaker containing the base resin. 25 g of the aqueous solution) was added and stirred. Next, 2.0 g of a dispersant having an acidic group (an aqueous solution in which 1.0 g of alpha olefin sulfonate and 1.0 g of water were dispersed) was put into a beaker containing the deodorant composition, and the mixture was stirred. .. Next, a fiber cloth was obtained in the same manner as in Example 1 except that 12.5 g of an aromatic carboxylic acid ester was added as an anti-tick agent and stirred to prepare a mixed solution for forming a resin layer. ..

<Comparative example 1>
A fiber cloth was obtained in the same manner as in Example 1 except that 891.6 g of the base resin (a) was put into a beaker and the setting was such that the deodorant composition was not contained.

<Comparative example 2>
A fiber cloth was obtained in the same manner as in Example 1 except that 874.6 g of the base resin (a) was put into a beaker and the setting was such that the mite-proofing agent was not contained.

<Comparative example 3>
A fiber cloth was obtained in the same manner as in Example 1 except that 867 g of the base resin (a) was put into a beaker so as not to contain a dispersant having an acidic group.

The fiber fabric obtained as described above was evaluated based on the following evaluation method. The results of these evaluations are shown in Table 1.

<Deodorant evaluation method>
The deodorant properties of the above Examples and Comparative Examples were measured in accordance with ISO17299.2-2014 (Deodorant test method for textile products-detector tube method).

(Hydrogen sulfide deodorant performance)
After putting the test sample (10 cm x 10 cm) in a bag with an internal volume of 5 L, 3 L of hydrogen sulfide gas was injected into the bag so that the concentration was 4 ppm, and the residual concentration of hydrogen sulfide gas was measured after 2 hours. , Prepare a blank in the same manner except that the test sample is not put in, measure the residual concentration of hydrogen sulfide gas in this blank, calculate the total amount of hydrogen sulfide gas removed from both measured values, and calculate the total amount of hydrogen sulfide gas removed from this. The removal rate (%) of was calculated.

(Trimethylamine deodorant performance)
The removal rate (%) of trimethylamine was calculated in the same manner as in the above hydrogen sulfide deodorization performance measurement, except that trimethylamine gas was used instead of hydrogen sulfide and injected into the bag so as to have a concentration of 28 ppm.

(Ammonia deodorant performance)
Ammonia removal rate (%) was calculated in the same manner as in the above hydrogen sulfide deodorization performance measurement, except that ammonia gas was used instead of hydrogen sulfide and injected so as to have a concentration of 100 ppm in the bag.

Then, those having a removal rate of 90% or more are "◎", those having a removal rate of 80% or more and less than 90% are "○", and those having a removal rate of 70% or more and less than 80% are "△". Those with a removal rate of less than 70% were regarded as "x", and those with a removal rate of "○" or more were regarded as acceptable.

<Antibacterial evaluation method>
The test was conducted in accordance with JIS L 1902-2008 (antibacterial test method and antibacterial effect of textile products). The target test bacterium is Staphylococcus aureus. The bacteriostatic activity value was calculated by the following formula and evaluated based on the following criteria.
Bacteriostatic activity value = (Mb-Ma)-(Mc-Mo)
Mb: Mean value of the common logarithmic values of the viable cell counts of the three samples after 18 hours of culturing the unprocessed standard cloth Ma: Mean value of the common logarithmic values of the viable cell counts of the three samples immediately after the test bacteria inoculation of the unprocessed standard cloth Mc: Mean value of the common logarithmic values of the viable cell counts of the three samples after 18 hours of culturing the antibacterial processed cloth Mo: Mean value of the common logarithmic values of the viable cell counts of the three samples immediately after the test bacteria inoculation of the antibacterial processed cloth (judgment) Criteria)
“◎”… Bacteriostatic activity value is 5 or more “○”… Bacteriostatic activity value is 2.2 or more and less than 5 “×”… Bacteriostatic activity value is less than 2.2

<Anti-allergenicity evaluation method>
A fiber cloth (sample size 25 cm ² ) was immersed in 3.5 mL of a mite allergen solution, and the amount of allergen after 16 hours at 37 ° C. was measured using a mighty checker (manufactured by Sumitomo Enviro Science). The state of color development was visually confirmed and evaluated in the following four stages, and the evaluations "-" and "+-" were passed.
(Criteria)
"-" ・ ・ ◎ (No allergen contamination)
"+-" ・ ・ 〇 (Slightly contaminated with allergens)
"+" ・ ・ △ (Contaminated with allergen)
"++" ... × (very contaminated with allergens)

<Antiviral evaluation method>
The antiviral activity value was measured under the conditions of contact time of 24 hours and influenza virus as the test target bacterial species in accordance with JIS-L-1922-2016 “Method for measuring virus infectious titer”. As a criterion, an antiviral activity value of 3.0 or more was evaluated as "○", a value of less than 3.0 was evaluated as "x", and an antiviral activity value of "○" or more was evaluated as acceptable.

<Tick-proof evaluation method>
The repellent rate was measured in accordance with JIS-L-1920-2007 "Intrusion Prevention Law". When the repellent rate was 50% or more, it was evaluated as "○", when it was less than 50%, it was evaluated as "x", and when it was "○" or more, it was accepted.

As is clear from Table 1, the fiber fabrics of Examples 1 to 3 of the present invention were excellent in deodorant, antibacterial, antiallergen, antiviral, and mite-proof properties.

On the other hand, the fiber cloth of Comparative Example 1 was inferior in deodorant property, antibacterial property, antiallergenic property, and antiviral property. The fiber fabric of Comparative Example 2 was inferior in mite resistance. In the fiber fabric of Comparative Example 3, the physical property value could not be measured because the mite-proofing agent was not uniformly dispersed.

The textile fabric according to the present invention is suitable, for example, as a comfortable interior material or an interior material in a vehicle.

Claims (4)

A woven fabric comprising a fabric and a resin layer laminated on the lower surface side of the fabric.
The resin layer is
With the base resin
A deodorant composition containing an inorganic porous substance, a metal hydroxide, a metal oxide, and a metal silicate,
Anti-tick and
A fiber fabric containing a dispersant having an acidic group. The fiber fabric according to claim 1, wherein the acidic group is one or more acidic groups selected from the group consisting of a phosphoric acid group, a carboxyl group, a hydroxyl group and a sulfonic acid group. The fiber cloth according to claim 1 or 2, which contains 1 part by mass to 30 parts by mass of the dispersant having an acidic group per 100 parts by mass of the deodorant composition. The fiber fabric according to any one of claims 1 to 3, which contains 5 parts by mass to 300 parts by mass of the mite-proofing agent per 100 parts by mass of the deodorant composition.