JP2001286231A - Odor adsorption sheet for animal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an odor adsorption sheet capable of effectively removing an odor caused when rearing an animal. SOLUTION: This sheet comprises a main body 1 thereof as a substrate and is obtained by bonding a macromonomer containing a hydrophilic group and a cationic leaving group and/or an anionic leaving group as a functional group having adsorbability to polar substances therewith by a graft polymerization.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an odor absorbing sheet for animals for removing malodorous substances generated when breeding animals.

[0002]

2. Description of the Related Art During animal rearing, malodorous substances mainly composed of ammonia, trimethylamine, sulfide and the like are generated due to deterioration of proteins. As a method of removing such a bad smell, for example, a method of spraying or volatilizing a fragrance substance, a method of cleaning a chemical solution using an acid or alkali, a method of adsorbing a bad smell substance on activated carbon, zeolite, bentonite, etc., a catalyst, There is an oxidation method using an oxidizing agent, or a method of neutralizing malodorous substances using an ion exchanger.

[0003]

However, these conventional methods have problems such as insufficient removal of odorous substances and removal of only a specific substance, so that a satisfactory effect cannot be obtained. Was not obtained. The present inventor was conducting research to solve the above problems,
The present invention has been completed by noting that the adsorbing material disclosed in Japanese Patent No. 2643823 has an excellent effect of adsorbing and removing malodor.

[0004] That is, it is an object of the present invention to provide an odor absorbing sheet for animals which can more effectively remove malodors generated during animal breeding.

[0005]

In order to achieve the above object, an animal odor adsorbing sheet according to the first aspect of the present invention comprises a sheet body as a base and a functional body having a polar substance adsorbing ability. As a group, a macromonomer containing a hydrophilic group, a cationic dissociating group and / or an anionic dissociating group is bonded by graft polymerization.

The odor-absorbing sheet for animals 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 the base composed of the sheet body.

The odor absorbing sheet for animals according to the third aspect of the present invention is characterized in that a plurality of sheet bodies to which macromonomers having different types of functional groups are bonded are combined.

The odor-absorbing sheet for animals according to the fourth aspect of the present invention comprises a fibrous substance as a base material, and a hydrophilic group and a cationic dissociating group and / or a functional group capable of adsorbing a polar substance. A macromonomer containing an anionic dissociating group is bonded by graft polymerization to form part or all of the sheet body.

The odor-absorbing sheet for animals according to the invention of claim 5 is characterized in that the sheet body is composed of a plurality of substrates to which macromonomers having different functional groups are bonded.

[0010] The odor-absorbing sheet for animals according to the invention according to claim 6 is a macromolecule which contains a hydrophilic group, a cationic dissociating group and / or an anionic dissociating group as a functional group capable of adsorbing a polar substance on a substrate. An adsorbent material in which monomers are bonded by graft polymerization is fixed to the sheet body.

[0011] The odor-absorbing sheet for animals according to the invention according to claim 7 is a macromolecule comprising a hydrophilic group, a cationic dissociating group and / or an anionic dissociating group as a functional group capable of adsorbing a polar substance on a substrate. An adsorbent material in which monomers are bonded by graft polymerization is fixed or accommodated by being enclosed between fibers of a sheet body formed of a fiber material.

The odor-absorbing sheet for animals according to the invention of claim 8 is characterized in that a hydrophilic group and a cationic dissociating group and / or a functional group having a capability of adsorbing a polar substance to a substrate are provided between a plurality of sheet bodies. An adsorbent material in which a macromonomer containing an anionic dissociating group is bonded by graft polymerization is fixed or housed.

The odor-absorbing sheet for animals according to the ninth aspect of the present invention is provided inside a bag-shaped sheet body.
An adsorbing material in 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 or fixed to a substrate by graft polymerization. I do.

According to a tenth aspect of the present invention, there is provided an animal odor adsorbing sheet, wherein the adsorbing material of the sixth, seventh, eighth or ninth aspect comprises a combination of a plurality of different types of substrates. I do.

[0015] The odor-absorbing sheet for animals according to the eleventh aspect of the present invention is the odor-absorbing sheet for animals according to the sixth, seventh, eighth, ninth or tenth aspect, wherein the adsorbing material of the sixth, seventh, eighth, ninth or tenth type has different types of macromonomers having different types of functional groups bonded thereto. It is characterized by being constituted by a combination of a plurality of substrates.

As described above, the odor-absorbing sheet for animals according to the present invention comprises a sheet body as a substrate, and a hydrophilic group and a cationic dissociating group and / or an anion as functional groups capable of adsorbing polar substances. A macromonomer containing a labile dissociating group is bound by graft polymerization, or
A fibrous material is used as a substrate, and a hydrophilic group, a cationic dissociative group, and / or
A macromonomer containing an anionic dissociative group is bonded by kraft polymerization and a part or all of it is formed, or a hydrophilic group and a cationic dissociative group are used as a functional group capable of adsorbing a polar substance on a substrate. Since the adsorbing material in which the macromonomer containing an anionic dissociating group is bonded by graft polymerization is fixed to the sheet body, the animal odor adsorbing sheet according to the present invention may be, for example,
By using the mat on the floor, in-vehicle or transport container, feces storage bag, breeding container or cover, work and breeding apron, worker's clothing etc. Can be removed more effectively

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, an embodiment of an odor absorbing sheet for animals according to the present invention will be described. (First Example) In the present example, a macromonomer containing a hydrophilic group, a cationic dissociating group and / or an anionic dissociating group as a functional group having a polar substance adsorption ability on a sheet body as a substrate They are linked by graft polymerization.

The sheet body 1 as used herein refers to, for example, those used for carpets and mats laid on the floor, clothes to be worn by animals kept therein, and the like, and is made of a material to which a macromonomer can bind. Any material that is available can be used. For example, cellulose, polyolefin, polyacrylonitrile, polyester, polyamide and the like can be used.

In the present invention, the macromonomer bonded by radiation graft polymerization using the sheet body 1 as a base refers to 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 is 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 melt the polar material and dissociate the ionic material. 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 neutralizing with a basic substance by releasing hydrogen ions,
As a result, a basic substance such as ammonia generated during the breeding of the animal due to protein deterioration is removed. Such cationic dissociating groups include, for example, carboxyl, sulfone, phosphate, sulfoethyl, phosphomethyl and carbomethyl groups.

The term "anionic dissociating group" refers to an ion-exchange group whose counter ion is an anion, which has the ability to adsorb polar substances and is capable of neutralizing with acidic substances. In this case, acidic substances such as sulfides generated in the process are removed. Such anionic dissociating groups include, for example, primary to tertiary amino groups and quaternary ammonium groups.

In this embodiment, in addition to a single macromonomer containing a specific functional group, a plurality of macromonomers containing different types of functional groups may be used as the macromonomer bonded to the sheet body 1. Also included are those in which a monomer is bonded. When bonding a plurality of macromonomers containing different types of functional groups, the sheet body 1
A plurality of macromonomers may be formed in a stripe shape or may be randomly bonded, and the bonding pattern is not particularly limited. In this embodiment, the sheet body 1 is a combination of, for example, a sheet body 1a to which a macromonomer containing a cationic dissociative group is bonded and a sheet body 1b to which a macromonomer containing anionic dissociative group is bonded. (Fig. 1)
Is also included.

In this embodiment, the bonding method between the substrate and the macromonomer group is a bonding method by radioactive kraft polymerization, but is not necessarily limited to this.

(Second Example) In this example, a fibrous material was used as a substrate, and a macromolecule containing a hydrophilic group, a cationic dissociative group, and / or an anionic dissociative group as a functional group having an ability to adsorb a polar substance was used. The whole or a part of the sheet body 1 is formed by combining monomers by radiation graft polymerization (FIG. 2). The sheet body 1 includes both woven cloth and nonwoven cloth.

The sheet body 1 includes a sheet body formed of a plurality of substrates with macromonomers having different types of functional groups bonded thereto. With respect to the macromonomer, hydrophilic group, cationic dissociative group, and anionic dissociative group contained in the macromonomer, which are bonded by radiation graft polymerization using the fibrous material as a substrate, the same as in the first example.

In this embodiment, a bonding method by radiation graft polymerization is used as a bonding method between the substrate and the macromonomer, but the bonding method is not necessarily limited thereto.

(Third Example) In this example, 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 on a substrate is obtained by radiation graft polymerization. Bonded adsorbent material 2
Are fixed to the seat body 1.

The substrate is not particularly limited in its material, and any material can be used as long as it can bind to the macromonomer, and the shape is not particularly limited. Instead, various shapes such as fibrous, granular, powder, liquid, and gel shapes 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 2.

In fixing the adsorbing material 2 to the sheet body 1, it is necessary that at least the adsorbing material 2 be fixed in a state where it is in contact with the outside air. When the adsorbing material 2 is fixed to the sheet main body 1, when the base constituting the adsorbing material 2 is a granular material or a powdery material, an adhesive is applied to a fixing surface of the sheet main body 1 to bond the adsorbing material 2. Alternatively, it may be mixed with an adhesive and applied to the sheet body 1. When the substrate constituting the adsorbing material 2 is a liquid material or a gel-like material, the adsorbing material itself has an adhesive property, so that the adsorbing material may be applied to the sheet body 1.

The adsorbing material 2 may be fixed to the sheet body 1 on one side of the sheet body 1 as shown in FIG. 3 or on both sides as shown in FIG.

The adsorbing material 2 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 2 may be constituted by a combination of a plurality of adsorbing materials 2 in which macromonomers having different functional groups are bonded. 5 and 6 show an example thereof. In one of the adsorbing materials 2a, a macromonomer containing a cationic dissociating group is bonded to the substrate, and in the other adsorbing material 2b, an anionic dissociating group is attached to the substrate. In FIG. 5, these adsorbing materials 2
a and 2b are fixed to the sheet main body in a laminated state, and in FIG. 6, the adsorbing materials 2a and 2b are fixed to the sheet main body 1 in a striped state, but the fixing pattern is particularly limited. Not something.

In this example, a bonding method by radiation graft polymerization is used as a bonding method between the substrate and the macromonomer, but the bonding method is not necessarily limited thereto.

(Fourth Example) In this example, a granular substance or a powdery substance was used as a substrate, and a hydrophilic group and a cationic dissociating group and / or an anionic dissociating group An adsorbing material 2 in which a macromonomer containing a group is bonded by radiation kraft polymerization is fixed or accommodated by being enclosed between fibers of a sheet body 1 formed of a fiber material (FIG. 7).

The particle size of the adsorbent material 2 is determined by the type of fibers and the size between fibers of the sheet body 1 formed of a fiber material. Also, in the case of this example, similarly to the third example, a plurality of adsorbing materials 2 to which macromonomers having different functional groups are bonded may be appropriately combined and included in the fibers of the sheet body 1.

In this example, the base material is a granular material or a powder material, but the present invention is not limited to these. In this example, a bonding method using radiation graft polymerization is used as a bonding method between the substrate and the macromonomer, but the bonding method is not necessarily limited to this.

(Fifth Example) In this example, a plurality of sheet bodies 1
In between, as a functional group having the ability to adsorb polar substances on the substrate,
An adsorbent material 2 in which a macromonomer containing a hydrophilic group, a cationic dissociative group, and / or an anionic dissociative group is bonded by radiation graft polymerization is fixed. Note that the sheet body 1 in the present example needs to have good air permeability.

FIG. 8 shows an example in which the adsorbing material 2 is fixed between two sheet bodies 1 and 1. The adsorbing material 2 is fixed between three or more sheet bodies 1. Is also included.

In this embodiment, the adsorbing material 2 is fixed between the two sheet bodies 1 and 1. However, the present invention is not limited to this. Good. Also, in the case of this example, as in the third example, a plurality of adsorbing materials 2 to which macromonomers having different functional groups are bonded may be appropriately combined and stored in the internal space of the sheet body 1.

In this embodiment, a bonding method by radiation graft polymerization is used as a bonding method between the substrate and the macromonomer, but the bonding method is not necessarily limited thereto.

(Sixth Example) In the present example, a hydrophilic group and a cationic dissociating group and / or a
An adsorbent material 2 in which a macromonomer containing an anionic dissociative group is bonded by radiation graft polymerization is fixed or housed (FIG. 9). The adsorbing material 2 is the same as in the third example.

In this embodiment, the seat body 1 needs to have air permeability. In addition, the adsorbing material 2 fixed between the sheet bodies 1 is not limited to a material composed of a substrate to which a single macromonomer having a specific functional group is bonded, but also a macromonomer having a different functional group is bonded. A plurality of adsorbing materials 2 each composed of a base may be appropriately combined and fixed.

In fixing the plurality of adsorbing materials 2 containing different types of functional groups, the plurality of adsorbing materials 2 may be fixed to the sheet body 1 in a stripe shape, or may be fixed at random. Alternatively, the fixing pattern is not particularly limited.

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

Further, in the present invention, a macromonomer containing a functional group having a function of adsorbing a polar substance is bonded to a substrate to form a sheet body with the macromonomer. This is because it is intended to be used for containers, feces storage bags, breeding containers or covers, work and breeding aprons, worker clothes, and the like.

[0046]

As described above, according to the odor-absorbing sheet for animals according to the present invention, the sheet body is used as a base, and a hydrophilic group and a cationic dissociating group are used as functional groups capable of adsorbing polar substances. And / or a macromonomer containing an anionic dissociating group is bonded by graft polymerization, or a fibrous substance is used as a base material, and a hydrophilic group and a cationic dissociation function as a functional group capable of adsorbing a polar substance. Group or a macromonomer having an anionic dissociative group bonded thereto by graft polymerization, or formed as a functional group capable of adsorbing a polar substance to a substrate; Since the adsorbing material in which a macromonomer containing an anionic dissociative group and / or an anionic dissociative group is bonded by graft polymerization is fixed to the sheet body, the present invention The use of such an animal-breeding odor-absorbing sheet in, for example, an in-vehicle or transport container, a feces storage bag, a breeding container or cover, work and breeding apron, and clothing for workers, etc. Can be adsorbed and removed very efficiently.

[Brief description of the drawings]

FIG. 1 is a side view showing an example of an embodiment of an odor-absorbing sheet for animals according to the present invention.

FIG. 2 is a side view showing another example of the embodiment of the animal odor-absorbing sheet according to the present invention.

FIG. 3 is a side view showing another example of the embodiment of the animal odor-absorbing sheet according to the present invention.

FIG. 4 is a side view showing an example of the embodiment of the animal odor adsorption sheet according to the present invention.

FIG. 5 is a side view showing another example of the embodiment of the animal odor adsorbing sheet according to the present invention.

FIG. 6 is a side view showing another example of the embodiment of the animal odor absorbing sheet according to the present invention.

FIG. 7 is a side view showing an example of an embodiment of the odor absorbing sheet for animals according to the present invention.

FIG. 8 is a side view showing another example of the embodiment of the animal odor adsorption sheet according to the present invention.

FIG. 9 is a cross-sectional view showing another example of the embodiment of the animal odor absorbing sheet according to the present invention.

[Explanation of symbols]

 1 Sheet body 2 Adsorption material

 ──────────────────────────────────────────────────続 き Continued on 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) 2B101 AA01 AA11 AA13 GB01 4D012 BA01 4G066 AB05B AB06B AB07B AB13B AB15B AB19B AC02C AC13C AC23C AC26C AD01B AD10B AD15B AD20B BA02 BA03 BA05 BA09 BA16 CA02 DA03 FA07 4L033 AB04 AB09 AC10 CA11

Claims (11)

[Claims] 1. A macromonomer containing a sheet body as a substrate and a hydrophilic group and a cationic dissociative group and / or an anionic dissociative group as functional groups having an ability to adsorb a polar substance is bonded thereto by graft polymerization. An odor-absorbing sheet for animals, comprising: 2. The animal odor-adsorbing sheet according to claim 1, wherein a plurality of macromonomers containing different types of functional groups are bonded to a base composed of the sheet body. 3. The odor-absorbing sheet for animals according to claim 1, wherein a plurality of sheet bodies to which macromonomers having different types of functional groups are bonded are combined. 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. An odor-absorbing sheet for animals, characterized in that a part or the whole of the sheet body is formed of the odor-absorbing sheet for animals. 5. The animal odor-adsorbing sheet according to claim 4, wherein a macromonomer containing different functional groups is bonded to each other and comprises a plurality of substrates. 6. An adsorbent material obtained by graft-polymerizing 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 onto a substrate by graft polymerization, is attached to the sheet body. An odor absorbing sheet for animals, which is fixed. 7. An adsorbent material obtained by graft-polymerizing 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 on a substrate by a graft material, An odor-absorbing sheet for animals, wherein the sheet is fixed or accommodated by being enclosed between fibers of the formed sheet body. 8. A macromonomer containing a hydrophilic group, a cationic dissociating group and / or an anionic dissociating group as a functional group having a capability of adsorbing a polar substance to a substrate is bonded between a plurality of sheet bodies by graft polymerization. An odor adsorbing sheet for animals, wherein the adsorbing material is fixed or stored. 9. Inside a bag-shaped sheet body,
An adsorbing material in 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 or fixed to a substrate by graft polymerization. Odor absorbing sheet for animals. 10. The animal odor adsorbing sheet according to claim 6, wherein the adsorbing material comprises a combination of a plurality of different types of substrates. 11. The adsorbent material is composed of a combination of a plurality of different types of substrates to which macromonomers containing different types of functional groups are bonded. The odor absorbing sheet for animals according to 1.