JP2001211907A - Insole material of shoes - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an insole material of shoes, which is capable of more effectively removing the malodors of the shoes. SOLUTION: The insole material consists of a material formed by using a sheet-like member 2 as a base body and bonding a macromonomer containing a hydrophilic group and cationic dissociation group as well as/or an anion dissociation group as a functional group having adsorbability of polar materials to the base material by graft polymerization.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shoe insole for removing bad smell and moisture in shoes.

[0002]

2. Description of the Related Art When shoes are worn for a long period of time, the inside of the shoes becomes stuffy and gives off a bad smell, and the smell often causes discomfort. Insoles that utilize the adsorbing power of activated carbon have been used to remove the odor in such shoes.

[0003]

However, in the insole utilizing the adsorbing power of the activated carbon, there is a limit to the adsorption of odors by the activated carbon. There is a problem that it has not been reached.

The inventor of the present invention has been studying to solve the above problems, and found that the adsorbing material disclosed in Japanese Patent No. 2643823 has an excellent effect of adsorbing and removing bad smells and harmful gases. And completed the present invention.

[0005] That is, an object of the present invention is to provide an insole material for shoes that can more effectively remove bad smell in shoes.

Another object of the present invention is to provide a shoe insole material capable of removing moisture in the shoe.

[0007]

In order to achieve the above-mentioned object, a shoe insole according to the first aspect of the present invention has a sheet-like member as a base and has a capability of adsorbing a polar substance. As the functional group, a hydrophilic group and a cationic dissociating group and / or
Alternatively, it is characterized in that the macromonomer containing an anionic dissociating group consists of one bonded by graft polymerization.

A shoe insole according to the second aspect of the present invention is characterized in that a plurality of macromonomers containing different types of functional groups are bonded to a base made of a sheet-like member. .

According to a third aspect of the present invention, there is provided a shoe insole material comprising a combination of a plurality of sheet-like members in which macromonomers having different types of functional groups are bonded.

The shoe insole material according to the invention according to claim 4 is based on a fibrous material, and as a functional group capable of adsorbing a polar substance, a hydrophilic group and a cationic dissociating group, and / or It is characterized in that a macromonomer having an anionic dissociating group bonded by graft polymerization is solidified by an appropriate fixing means and formed on a sheet-like member.

The shoe insole material according to the invention of claim 5 is based on a fibrous material, and as a functional group capable of adsorbing a polar substance, a hydrophilic group and a cationic dissociating group, and / or It is characterized in that a macromonomer having an anionic dissociating group bonded by graft polymerization is woven to form a sheet-shaped member.

According to a sixth aspect of the present invention, there is provided a shoe insole material according to the fourth or fifth aspect, wherein the sheet-like member comprises a plurality of substrates to which macromonomers having different functional groups are bonded. Features.

[0013] The insole material for shoes according to the invention according to claim 7 is characterized in that the functional group having the ability to adsorb a polar substance to a substrate made of a powdery substance, a granular substance, a fibrous substance, or a sheet-like substance.
An adsorption material comprising a macromonomer containing a hydrophilic group, a cationic dissociative group, and / or an anionic dissociative group bonded by graft polymerization comprises a material fixed to a sheet-like member.

According to an eighth aspect of the present invention, there is provided a shoe insole according to the seventh aspect, wherein the adsorbing material according to the seventh aspect, which comprises a powdery substance, a granular substance or a fibrous substance, is formed of a fibrous material. Characterized in that it is enclosed and fixed between the fibers of the sheet-shaped member.

According to a ninth aspect of the present invention, in the shoe insole according to the seventh aspect, the adsorbing material according to the seventh aspect, which comprises a powdery substance, a granular substance, or a fibrous substance, has a honeycomb structure or a pleated structure. It is characterized by being housed and fixed in the space of a sheet-like member having a space structure inside the other.

According to a tenth aspect of the present invention, there is provided a shoe insole material according to the eighth or ninth aspect, wherein the base made of a powdery substance or a granular substance has a high water-absorbing property such as a high water-absorbing resin. It is a molecular adsorbent.

The shoe insole material according to the invention according to the eleventh aspect of the present invention is the shoe insole material according to the eighth or ninth aspect, wherein the base material comprises a powdery substance, a granular substance or a fibrous substance, Characterized by being mixed with a super absorbent polymer adsorbent such as

According to a twelfth aspect of the present invention, there is provided a shoe insole material, wherein a polar substance is adsorbed on a base made of a powdery substance, a granular substance, a fibrous substance or a sheet between a plurality of sheet-like members. The functional group having an ability is characterized by comprising an immobilized adsorbing material in which a macromonomer containing a hydrophilic group, a cationic dissociating group and / or an anionic dissociating group is bonded by graft polymerization.

According to a thirteenth aspect of the present invention, there is provided an insole material for shoes, wherein the adsorbing material according to the seventh, eighth, ninth, tenth, eleventh or twelfth aspect is constituted by a combination of a plurality of bases of different types. It is characterized by being.

[0021] The insole material according to the invention according to claim 14 is the adsorbent according to claim 7, 8, 9, 10, 11, 12 or 13 comprising a macromonomer containing functional groups of different types. It is characterized by being constituted by a combination of a plurality of substrates joined together.

As described above, the insole material of the shoe according to the present invention has a sheet-like member as a base, and as a functional group capable of adsorbing a polar substance, a hydrophilic group and a cationic dissociating group and / or The macromonomer containing an anionic dissociating group is composed of those bonded by graft polymerization, or as a functional group capable of adsorbing a polar substance on a substrate, a hydrophilic group and a cationic dissociating group and / or an anionic dissociating group. Since the adsorbing material in which the macromonomer containing the dissociating group is bonded by graft polymerization is composed of the material fixed to the sheet-like member, the odor is chemically adsorbed, and unlike the activated carbon of physical adsorption, the component once adsorbed Has the performance that it does not re-activate due to changes in operating conditions such as temperature / pressure changes and start / stop, so that the odor in shoes can be more effectively reduced. It can be removed by.

Further, a substrate made of a powder or a granular material in which a macromonomer containing a hydrophilic group, a cationic dissociating group and / or an anionic dissociating group is bonded by graft polymerization is used for a substrate having a high water absorbing property such as a superabsorbent resin. If it is a molecular adsorbent, and if a superabsorbent polymer such as a superabsorbent resin is mixed in the adsorbent material, the odor can be removed and the superabsorbent polymer adsorbent can be used in shoes. Since moisture such as sweat is absorbed, moisture in shoes can be removed.

[0023]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a shoe insole according to an embodiment of the present invention.

(First Example) In this example, a shoe insole 1 is made of a sheet-like member 2 as a base material, and a hydrophilic group, a cationic dissociation group, And / or a macromonomer containing an anionic dissociating group bonded by radiation graft polymerization.

The material of the sheet-like member 2 is not particularly limited as long as it can be used as an insole for shoes, and any material can be used as long as it can bind to a macromonomer. Can be.

The macromonomer to be bonded by radiographic graft polymerization using the sheet-like member 2 as a base is a polymer having a degree of polymerization intermediate between the degree of polymerization of the oligomer and the degree of polymerization of the polymer.

The hydrophilic group contained in the macromonomer refers to a group (nonion) which has an affinity for water and does not dissociate ions when contacted with water. Such a hydrophilic group can supplement water present in the air, and the captured water molecules are adsorbed on the surface of the substrate to form a water layer,
It will dissolve polar substances and dissociate ionic substances. Such hydrophilic groups include, for example, hydroxyl, hydroxyalkyl and pyrrolidonyl groups.

The cationic dissociation group means an ion exchange group whose counter ion is a cation, and is an acid group. The cationic dissociating group has a capability of adsorbing a polar substance, is capable of releasing a hydrogen ion and neutralizing with a basic substance,
As a result, the basic substance is removed. Such cationic dissociating groups include, for example, carboxyl groups,
There are a sulfone group, a phosphate group, a sulfoethyl group, a phosphomethyl group and a carbomethyl group.

The anionic dissociating group refers to an ion exchange group whose counter ion is an anion, which has the ability to adsorb a polar substance and is capable of neutralizing with an acidic substance. Material will be removed. Such anionic dissociating groups include, for example, primary to tertiary amino groups and
There are quaternary ammonium groups.

In the present embodiment, as the macromonomer bonded to the sheet-like member 2, a plurality of macromonomers containing different types of functional groups besides those having a single macromonomer containing a specific functional group are bonded. Also included are those having macromonomers attached. When bonding a plurality of macromonomers containing different types of functional groups, the sheet-like member 2
In addition, a plurality of macromonomers may be bonded in stripes, or may be randomly bonded,
The bonding pattern is not particularly limited.

In the present embodiment, the sheet-like member 2 is, for example, a sheet-like member 2a to which a macromonomer containing a cationic dissociative group is bonded and a sheet-like member 2b to which a macromonomer containing anionic dissociative group is bonded. (FIG. 1) is also included.

(Second Example) In this example, a shoe insole 1 is made of a fibrous material as a base material, and as a functional group capable of adsorbing a polar substance, a hydrophilic group and a cationic dissociating group and / or Alternatively, the sheet-like member 2 is formed by bonding a macromonomer containing an anionic dissociative group by radiation graft polymerization and solidifying the macromonomer by an appropriate fixing means. (FIG. 2).

The sheet member 2 includes a sheet member 2 formed by binding a plurality of fibrous materials with macromonomers having different functional groups and fixing a plurality of fibrous materials by appropriate fixing means.

Using the above fibrous material as a substrate, the macromonomers bonded by radiographic graft polymerization, the hydrophilic groups, cationic dissociative groups and anionic dissociative groups contained in the macromonomers are the same as in the first example. It is.

(Third Example) In this example, the shoe insole material 1 is formed on a substrate made of a powdery substance, a granular substance, a fibrous substance or a sheet-like substance as a functional group having a capability of adsorbing a polar substance. An adsorbent material 3 in which a macromonomer containing a hydrophilic group, a cationic dissociative group, and / or an anionic dissociative group is bonded by graft polymerization is fixed to the sheet-like member 2.

The substrate is not particularly limited as long as it can be used as an insole for shoes, as in the first example, and may be any material as long as it can bind to a macromonomer. Can be used. The macromonomer shown in the first example is bonded to such a base by radiation graft polymerization to form an adsorbent material 3. The means for fixing the adsorbing material 3 to the sheet-like member 2 is not particularly limited, but in this example, it is fixed by bonding via an adhesive.

Further, in the fixed state, it is necessary that at least the adsorbing material 3 be fixed in a state of being in contact with the air in the shoe. When the adsorbing material 3 is bonded to the sheet-like member 2 with an adhesive, an adhesive may be applied to a fixing surface of the sheet-like member 2 to bond the adsorbing material 3 thereto. In the case of a powdery substance, a granular substance, or a fibrous substance, this may be mixed with an adhesive and applied to the sheet-like member 2.

The fixing of the adsorbing material 3 to the sheet-like member 2
The sheet-like member 2 may be provided on one side as shown in FIG. 3, or may be provided on both sides as shown in FIG.

The adsorbing material 3 may be composed of a combination of a plurality of different substrates, for example, a fibrous substrate and a granular substrate (not shown). Further, the adsorbing material 3 may be constituted by a combination of a plurality of adsorbing materials 3 in which macromonomers having different functional groups are bonded.

FIGS. 5 and 6 show an example of this. One adsorbing material 3a has a macromonomer containing a cationic dissociating group bonded to the base, and the other adsorbing material 3b has an anionic dissociating group bonded to the base. In FIG. 5, these adsorbing materials 3a and 3b are fixed to the sheet-like member 2 in a laminated state. In FIG. 6, the adsorbing materials 3a and 3b are striped on the sheet-like member 2. Although it is fixed in a state, the fixing pattern is not particularly limited.

(Fourth Example) In this example, a shoe-like insole 1 is a sheet-like member in which the adsorbing material 3 whose base is made of a powdery substance, a granular substance or a fibrous substance is formed of a fibrous material. It is made of a material enclosed and fixed between the two fibers (FIG. 7).

The particle size and the like of the substrate of the adsorbing material 3 are determined by the type of fibers and the size between fibers of the sheet-like member 2 formed of a fiber material.

Also, in the case of this embodiment, as in the case of the third embodiment, the adsorbent material 2 is formed by appropriately combining a plurality of adsorbent materials 3 to which macromonomers having different functional groups are bonded.
May be included in the fibers.

(Fifth Example) In this example, the insole material 1 of the shoe has a base material made of a powdery substance, a granular substance or a fibrous substance, and the adsorbing material 3 is made of a honeycomb structure, a pleated structure or the like. It is constituted by being housed and fixed in the space of the sheet-like member 2 having a structure.

FIG. 8 shows an example in which the adsorbing material 3 is accommodated in a sheet-like member 2 having a space having a honeycomb structure.
FIG. 9 shows a sheet-like member 2 having a pleated space.
Shows an example in which the adsorbing material 3 is stored.

In this embodiment, as in the third embodiment, the sheet-like member 2 is formed by appropriately combining a plurality of adsorbing materials 3 in which the adsorbing materials 3 are combined with macromonomers having different functional groups.
May be accommodated in the internal space.

(Sixth Example) In this example, the insole material 1 of the shoe is made of a powdery or granular material serving as the adsorbing material 3 in the third, fourth, and fifth examples. It is composed of a highly water-absorbing polymer adsorbent such as a hydrophilic resin.

(Seventh Example) In this example, the insole material 1 for the shoe is made of a highly water-absorbent polymer adsorbent such as a highly water-absorbent resin as the adsorbent material 3 in the third, fourth and fifth examples. (Not shown).

(Eighth Example) In this example, a shoe insole 1 is provided between a plurality of sheet-like members 2 on a base made of a powdery, granular, fibrous or sheet-like material. As the functional group having the ability to adsorb a substance, an adsorbing material 3 in which a macromonomer containing a hydrophilic group, a cationic dissociating group, and / or an anionic dissociating group is bonded by graft polymerization is fixed. (FIG. 10).

The adsorbing material 2 is the same as in the third example. In this example, the sheet-like member 2 needs to have air permeability.

In the present embodiment, the adsorbing material 3 fixed between the sheet-like members 2 is an adsorbing material 3 made of a substrate to which a single macromonomer containing a specific functional group is bonded.
May be immobilized by appropriately combining a plurality of adsorbing materials 3 each composed of a substrate to which macromonomers having different functional groups are bonded.

In fixing a plurality of adsorbing materials 3 containing different types of functional groups, a plurality of adsorbing materials 3 may be fixed between the sheet-like members 2 in a stripe shape, or may be fixed at random. The fixing pattern is not particularly limited.

In the first to eighth examples, activated carbon, an antibacterial agent, a fragrance and the like can be added as required.

[0054]

As described above, according to the shoe insole material of the present invention, a sheet-like member is used as a base, and a hydrophilic group and a cationic dissociation are used as functional groups having the ability to adsorb polar substances. The macromonomer containing a group and / or an anionic dissociating group is composed of those bonded by graft polymerization, or as a functional group capable of adsorbing a polar substance on a substrate, a hydrophilic group and a cationic dissociating group; Since the adsorbing material in which the macromonomer containing an anionic dissociative group is bonded by graft polymerization is made of a material fixed to a sheet-like member, the odor is chemically adsorbed,
Unlike activated carbon of physical adsorption, it has the performance that once adsorbed components do not re-activate due to changes in operating conditions such as temperature / pressure changes and start / stop,
The odor in the shoes can be more effectively removed.

Further, a powdery or granular substrate obtained by graft-polymerizing a macromonomer containing a hydrophilic group, a cationic dissociative group and / or an anionic dissociative group is used for adsorbing a superabsorbent polymer such as a superabsorbent polymer. If the absorbent material contains a superabsorbent polymer such as a superabsorbent resin, the odor can be eliminated, and the superabsorbent polymer adsorbs on the shoes. And so on, so that moisture in the shoes can be removed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of an embodiment of a shoe insole according to the present invention.

FIG. 2 is a side view showing another example of the embodiment of the shoe insole according to the present invention.

FIG. 3 is a side view showing another example of the embodiment of the shoe insole according to the present invention.

FIG. 4 is a side view showing another example of the embodiment of the shoe insole according to the present invention.

FIG. 5 is a side view showing another example of the embodiment of the shoe insole according to the present invention.

FIG. 6 is a side view showing another example of the embodiment of the shoe insole according to the present invention.

FIG. 7 is a cross-sectional view showing another example of the embodiment of the shoe insole according to the present invention.

FIG. 8 is a partially cutaway perspective view showing another example of the embodiment of the shoe insole according to the present invention.

FIG. 9 is a partially cutaway perspective view showing another example of the embodiment of the shoe insole according to the present invention.

FIG. 10 is a side view showing another example of the embodiment of the shoe insole according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Insole material 2 Sheet member 3 Adsorption material

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Shinya Handa 1-8-55 Beaglemansion 203, Kunitachi-shi, Tokyo 203 (72) Inventor Toshiyuki Sato 3-9-40-1604 F-term, Minato-ku, Tokyo Reference) 4F050 EA01 HA80 HA91

Claims (14)

[Claims] 1. A sheet-like member as a substrate, on which a macromonomer containing a hydrophilic group and a cationic dissociating group and / or an anionic dissociating group as a functional group capable of adsorbing a polar substance is bonded by graft polymerization. Insole material for shoes, characterized by being made of 2. The insole material according to claim 1, wherein a plurality of macromonomers containing different types of functional groups are bonded to a base made of a sheet-like member. 3. The shoe insole according to claim 1, comprising a combination of a plurality of sheet-like members to which macromonomers containing different types of functional groups are bonded. 4. A fibrous substance as a substrate, and a macromonomer containing a hydrophilic group, a cationic dissociative group and / or an anionic dissociative group as a functional group capable of adsorbing a polar substance bonded thereto by graft polymerization. The insole material for shoes, characterized in that the insole material is formed by fixing the obtained material by a suitable fixing means and forming the sheet-shaped member. 5. A fibrous substance as a substrate, and a macromonomer containing a hydrophilic group, a cationic dissociating group and / or an anionic dissociating group as a functional group capable of adsorbing a polar substance bonded thereto by graft polymerization. Is woven,
An insole material for shoes, which is formed of a sheet-shaped member. 6. The insole material according to claim 4, wherein the sheet-like member is composed of a plurality of substrates to which macromonomers having different functional groups are bonded. 7. A hydrophilic group, a cationic dissociative group and / or an anionic dissociative group as a functional group capable of adsorbing a polar substance on a substrate made of a powdery substance, a granular substance, a fibrous substance, or a sheet-like substance. An insole material for shoes, characterized in that an adsorbent material obtained by bonding a macromonomer containing a polymer by graft polymerization is fixed to a sheet-like member. 8. The substrate according to claim 1, wherein the adsorbing material comprising a powdery substance, a granular substance, or a fibrous substance is enclosed and fixed between fibers of a sheet-like member formed of a fibrous material. 7. The insole material for shoes according to 7. 9. An adsorbing material whose base material is made of a powdery substance, a granular substance, or a fibrous substance is accommodated and fixed in a space of a sheet-like member having a honeycomb structure, a pleated structure, or a space structure inside. The insole material according to claim 7, characterized in that: 10. The insole material according to claim 8, wherein the substrate made of a powdery substance or a granular substance is a superabsorbent polymer absorbent such as a superabsorbent resin. . 11. The absorbent material according to claim 8, wherein a highly water-absorbent polymer adsorbent such as a highly water-absorbent resin is mixed in an adsorbent whose base material is made of a powdery substance, a granular substance or a fibrous substance. 10. The insole material according to 9 above. 12. A powdery material between a plurality of sheet-like members,
For substrates made of granules, fibers or sheets,
As a functional group having a capability of adsorbing a polar substance, an adsorbing material in which a macromonomer containing a hydrophilic group and a cationic dissociating group and / or an anionic dissociating group is bonded by graft polymerization is fixed. Insole material for shoes. 13. The shoe insole according to claim 7, wherein the adsorbing material is constituted by a combination of a plurality of different types of substrates. 14. The method according to claim 7, wherein the adsorbing material is constituted by a combination of a plurality of substrates to which macromonomers containing different types of functional groups are bonded.
The insole material for shoes according to 10, 11, 12 or 13.