JPH09151271A - Antibacterial resin composition - Google Patents
Antibacterial resin compositionInfo
- Publication number
- JPH09151271A JPH09151271A JP33250795A JP33250795A JPH09151271A JP H09151271 A JPH09151271 A JP H09151271A JP 33250795 A JP33250795 A JP 33250795A JP 33250795 A JP33250795 A JP 33250795A JP H09151271 A JPH09151271 A JP H09151271A
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- Japan
- Prior art keywords
- antibacterial
- resin
- resin composition
- antibacterial agent
- inorganic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
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- Agricultural Chemicals And Associated Chemicals (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は抗菌性樹脂組成物に
関し、さらに詳しくはメシチリン耐性黄色ブドウ球菌な
どの菌類に対して長期に亘り優れた抗菌性を示す樹脂組
成物に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an antibacterial resin composition, and more particularly to a resin composition exhibiting excellent antibacterial properties for a long time against fungi such as mesitillin-resistant Staphylococcus aureus.
【０００２】[0002]
【従来の技術】従来、銀、銅、亜鉛、錫などの無機化合
物を主体とする無機系抗菌剤やこれらの抗菌剤を炭酸カ
ルシウム、ゼオライト、カオリンクレー、珪藻土、タル
ク、ベントナイト、セラミックス、活性炭、アパタイト
などに担持させたものが知られている［ケイ酸銀または
ケイ酸銀を無機系担体に分散担持した抗菌・殺菌性組成
物（特開平２−２１５７０４号公報）、抗菌作用を持つ
金属化合物をチタン微粒子の表面に付着させた抗菌性組
成物（特開平２−２６８１０３号公報）、特殊なリン酸
ジルコニウム塩化合物に銀を担持させた抗菌剤（特開平
３−８３９０５号公報）、ゼオライトを担体とし抗菌性
成分の銀と変色防止成分を担持させた抗菌剤（特開昭６
４−２４８６０号公報）など］。2. Description of the Related Art Conventionally, inorganic antibacterial agents mainly composed of inorganic compounds such as silver, copper, zinc and tin, and these antibacterial agents are used as calcium carbonate, zeolite, kaolin clay, diatomaceous earth, talc, bentonite, ceramics, activated carbon, Known to be supported on apatite [silver silicate or an antibacterial / bactericidal composition in which silver silicate is dispersed and carried on an inorganic carrier (JP-A-2-215704), a metal compound having an antibacterial action Of an antibacterial composition in which titanium is attached to the surface of fine titanium particles (JP-A-2-268103), an antibacterial agent in which silver is supported on a special zirconium phosphate salt compound (JP-A-3-83905), and zeolite. An antibacterial agent carrying silver as an antibacterial component and a discoloration preventive component as a carrier (Japanese Patent Laid-Open No. 6-58242).
4-24860), etc.]].
【０００３】これらは有機系の抗菌剤に比較して安全性
が高い上、揮発性がなく、分解しないため抗菌効果の持
続性が長く、しかも耐熱性に優れている特徴を有してい
る。これらの抗菌剤を用いて樹脂に対して抗菌性を賦与
するための方法として、例えば樹脂の表面にこれらの抗
菌剤を付着する方法は効果の長期維持性に問題があるの
で、これらの抗菌剤を各種の樹脂と混合したり、練り込
んだりすることにより抗菌性樹脂組成物とし［リン酸ジ
ルコニウムのアルカリ金属塩などに銀イオン及び水素イ
オンを担持させ５００〜１３００℃で焼成した抗菌剤と
樹脂から成る抗菌性樹脂組成物（特開平６−２１２０１
９号公報）など］、ペレット状にしたり、各種の成形品
に加工されて用いられていた。しかし、樹脂に対して長
時間に亘り抗菌性を持続させるためには、これらの抗菌
剤を多量に配合する必要があり、多量に配合すると製品
の着色、表面荒れ、各種物性の低下などを招く欠点があ
った。Compared with organic antibacterial agents, these are highly safe, have no volatility, and since they do not decompose, have a long lasting antibacterial effect and are excellent in heat resistance. As a method for imparting antibacterial properties to a resin by using these antibacterial agents, for example, a method of adhering these antibacterial agents to the surface of the resin has a problem in long-term sustainability of the effects, and therefore, these antibacterial agents are used. Is mixed with various resins or kneaded to form an antibacterial resin composition [an antibacterial agent and a resin obtained by supporting silver ions and hydrogen ions on an alkali metal salt of zirconium phosphate and firing at 500 to 1300 ° C. An antibacterial resin composition comprising (JP-A-6-21201
No. 9), etc.], and formed into pellets or processed into various molded products for use. However, in order to maintain the antibacterial property of the resin for a long time, it is necessary to add a large amount of these antibacterial agents, and if added in a large amount, product coloring, surface roughening, and deterioration of various physical properties are caused. There was a flaw.
【０００４】[0004]
【発明が解決しようとする課題】本発明は上述の事実に
鑑みてなされたものであり、抗菌剤の配合量が少なくて
もメシチリン耐性黄色ブドウ球菌などの菌類に対して長
期に亘り優れた抗菌性を示す樹脂組成物を提供すること
を目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned facts, and is an excellent antibacterial agent for a long period of time against fungi such as mesitillin-resistant Staphylococcus aureus even if the amount of the antibacterial agent is small. The object is to provide a resin composition exhibiting properties.
【０００５】[0005]
【課題を解決するための手段】本発明は、上記の問題点
を解決するために鋭意検討した結果、抗菌性樹脂組成物
中の無機系抗菌剤の分散を改善するために分散改良剤や
金属石鹸を配合することにより上記の課題を解決できる
ことを見いだし本発明を完成するに至ったものである。DISCLOSURE OF THE INVENTION As a result of intensive studies to solve the above problems, the present invention has been found that a dispersion improver or a metal for improving the dispersion of an inorganic antibacterial agent in an antibacterial resin composition. The inventors have found that the above problems can be solved by blending soap, and have completed the present invention.
【０００６】本発明の請求項１の発明は、無機系抗菌剤
と樹脂からなる抗菌性樹脂組成物に、この組成物中にお
ける無機系抗菌剤の分散を改善するための分散改良剤お
よび／または金属石鹸を配合したことを特徴とする抗菌
性樹脂組成物である。The invention of claim 1 of the present invention provides an antibacterial resin composition comprising an inorganic antibacterial agent and a resin, and a dispersion improver for improving dispersion of the inorganic antibacterial agent in the composition and / or The antibacterial resin composition is characterized by containing metal soap.
【０００７】本発明の請求項２の発明は、請求項１記載
の抗菌性樹脂組成物において、前記分散改良剤が炭酸カ
ルシウム、ゼオライト、カオリンクレー、珪藻土、タル
ク、ベントナイト、セラミックスの微粉体のいずれかま
たはその組み合わせ、およびポリスチレン・ブタジエン
エラストマー、ポリウレタンエラストマー、ポリエステ
ルエラストマーから選ばれたものであることを特徴とす
る。According to a second aspect of the present invention, in the antibacterial resin composition according to the first aspect, the dispersion improving agent is any one of calcium carbonate, zeolite, kaolin clay, diatomaceous earth, talc, bentonite, and ceramic fine powder. Or a combination thereof, and one selected from polystyrene-butadiene elastomer, polyurethane elastomer and polyester elastomer.
【０００８】本発明の請求項３の発明は、請求項１記載
の抗菌性樹脂組成物において、前記金属石鹸がステアリ
ン酸カルシウムであることを特徴とする。The invention according to claim 3 of the present invention is characterized in that, in the antibacterial resin composition according to claim 1, the metal soap is calcium stearate.
【０００９】[0009]
【発明の実施の形態】本発明で用いる無機系抗菌剤は特
に限定されるものではない。具体的には例えば、銀、
銅、亜鉛、錫などの無機化合物を主体とする無機系抗菌
剤やこれらの抗菌剤を炭酸カルシウム、ゼオライト、カ
オリンクレー、珪藻土、タルク、ベントナイト、セラミ
ックス、活性炭、アパタイトなどに担持させた無機系抗
菌剤を挙げることができる。これらの配合量は有効な範
囲において少ない方がよく、通常は組成物全体に対して
有効成分として３重量％以下、好ましくは０．３〜１．
５重量％である。BEST MODE FOR CARRYING OUT THE INVENTION The inorganic antibacterial agent used in the present invention is not particularly limited. Specifically, for example, silver,
Inorganic antibacterial agents mainly composed of inorganic compounds such as copper, zinc and tin, and inorganic antibacterial agents carrying these antibacterial agents on calcium carbonate, zeolite, kaolin clay, diatomaceous earth, talc, bentonite, ceramics, activated carbon, apatite, etc. An agent can be mentioned. The content of these components is preferably as small as possible within the effective range, and is usually 3% by weight or less, preferably 0.3 to 1.
5% by weight.
【００１０】本発明で用いる樹脂は天然樹脂、半合成樹
脂、合成樹脂のいずれでもよく、また熱可塑性樹脂ある
いは熱硬化性樹脂のいずれでもよく特に限定されない。
具体的には例えば、ポリエチレン、ポリプロピレン、ポ
リウレタン、ＡＢＳ樹脂、ＡＳ樹脂、ポリアセタール樹
脂、ポリアミド樹脂、ポリエステル樹脂、ポリスチレン
樹脂、ポリ塩化ビニル樹脂、ポリウレタンエラストマ
ー、ポリエステルエラストマー、ポリスチレン・ブタジ
エンエラストマー、メラミン樹脂、ユリア樹脂、天然ゴ
ム、シリコーンゴム、ＳＢＲゴム、ウレタンゴム、これ
らの混合物などを挙げることができる。The resin used in the present invention may be a natural resin, a semi-synthetic resin or a synthetic resin, and may be a thermoplastic resin or a thermosetting resin and is not particularly limited.
Specifically, for example, polyethylene, polypropylene, polyurethane, ABS resin, AS resin, polyacetal resin, polyamide resin, polyester resin, polystyrene resin, polyvinyl chloride resin, polyurethane elastomer, polyester elastomer, polystyrene / butadiene elastomer, melamine resin, urea Examples thereof include resins, natural rubber, silicone rubber, SBR rubber, urethane rubber, and mixtures thereof.
【００１１】本発明で用いる分散改良剤は本発明の抗菌
性樹脂組成物中に無機系抗菌剤をよく分散でき、しかも
分散した無機系抗菌剤を有効に作用させるものであれ
ば、無機物でも有機物でも差し支えない。無機物の例と
しては炭酸カルシウム、ゼオライト、カオリンクレー、
珪藻土、タルク、ベントナイト、セラミックスの微粉
体、これらの混合物などを挙げることができる。有機物
の例としては可塑剤、ポリウレタンエラストマー、ポリ
エステルエラストマー、ポリスチレン・ブタジエンエラ
ストマーなどの樹脂改良剤などを挙げることができる。
無機系分散改良剤あるいは有機系分散改良剤の配合量は
有効な範囲において少ない方がよいが、無機系分散改良
剤の場合は通常は組成物全体に対して有効成分として３
重量％以下が好ましく、更に好ましくは０．５〜１．５
重量％である。３重量％を超えると製品の着色、表面荒
れなどが起こる。有機系分散改良剤の場合は通常は組成
物全体に対して有効成分として３〜１０重量％が好まし
く、更に好ましくは５〜１０重量％である。３重量未満
では分散効果が少なく、１０重量％を超えると製品の強
度などの特性が低下する。The dispersion improver used in the present invention can be an inorganic substance or an organic substance as long as it can well disperse the inorganic antibacterial agent in the antibacterial resin composition of the present invention and can effectively act the dispersed inorganic antibacterial agent. But it doesn't matter. Examples of inorganic substances include calcium carbonate, zeolite, kaolin clay,
Examples thereof include diatomaceous earth, talc, bentonite, ceramic fine powder, and a mixture thereof. Examples of organic substances include plasticizers, polyurethane elastomers, polyester elastomers, polystyrene-butadiene elastomers and other resin modifiers.
The compounding amount of the inorganic dispersion improver or the organic dispersion improver is preferably as small as possible within the effective range, but in the case of the inorganic dispersion improver, it is usually 3 as an active ingredient in the whole composition.
It is preferably not more than 0.5% by weight, more preferably 0.5 to 1.5.
% By weight. If it exceeds 3% by weight, coloration of the product and surface roughness will occur. In the case of an organic dispersion improver, the amount of the active ingredient is usually preferably 3 to 10% by weight, more preferably 5 to 10% by weight, based on the whole composition. If it is less than 3% by weight, the dispersion effect is small, and if it exceeds 10% by weight, the properties such as strength of the product deteriorate.
【００１２】本発明で用いる金属石鹸は脂肪酸、樹脂
酸、ナフテン酸などのアルカリ塩以外の金属塩であり、
通常は、一般式（ＲＣＯＯ）x Ｍで示される脂肪酸塩で
ある。前記式においてＲは炭素数７〜２２の脂肪族基で
あり、Ｍはｘ価の金属イオンである。脂肪酸の具体例と
してはステアリン酸、ラウリン酸、リシノール酸などを
挙げることができ、Ｍの具体例としてはＣａ、Ｚｎ、Ｓ
ｎ、Ｂａ、Ｃｕ、Ｍｇなどを挙げることができる。これ
らの配合量は有効な範囲において少ない方がよいが、通
常は組成物全体に対して有効成分として０．０５〜１．
０重量％、好ましくは０．１〜０．９重量％である。
０．０５重量％未満では無機系抗菌剤の分散効果が少な
く、分散した無機系抗菌剤を有効に作用させることが困
難である。１．０重量％を超えると着色、表面荒れなど
の問題がでる。The metal soap used in the present invention is a metal salt other than alkali salts such as fatty acid, resin acid and naphthenic acid,
Usually, it is a fatty acid salt represented by the general formula (RCOO) x M. In the above formula, R is an aliphatic group having 7 to 22 carbon atoms, and M is an x-valent metal ion. Specific examples of fatty acids include stearic acid, lauric acid, and ricinoleic acid, and specific examples of M include Ca, Zn, and S.
n, Ba, Cu, Mg, etc. can be mentioned. The blending amount of these is preferably as small as possible within the effective range, but usually 0.05 to 1.
It is 0% by weight, preferably 0.1 to 0.9% by weight.
If it is less than 0.05% by weight, the dispersing effect of the inorganic antibacterial agent is small, and it is difficult to effectively act the dispersed inorganic antibacterial agent. If it exceeds 1.0% by weight, problems such as coloring and surface roughness will occur.
【００１３】本発明において各種成分を配合する方法は
特に限定されず、用いる樹脂の特性に合わせて適当に温
度、圧力を選定して常法により加熱、加圧しながら混
合、混入、混練などの方法で容易に調製することがで
き、種々の形態に成形することができる。The method of blending various components in the present invention is not particularly limited, and a method of mixing, mixing, kneading, etc. while heating and pressurizing by a usual method by appropriately selecting temperature and pressure according to the characteristics of the resin to be used. Can be easily prepared and molded into various shapes.
【００１４】本発明の抗菌性樹脂組成物には本発明の主
旨を逸脱しない範囲において、他の抗菌剤、防黴剤、殺
虫剤、消臭剤、着香剤、酸化防止剤、紫外線吸収剤、顔
料、染料などを併用することができる。The antibacterial resin composition of the present invention contains other antibacterial agents, antifungal agents, insecticides, deodorants, fragrances, antioxidants, and ultraviolet absorbers within the scope of the present invention. , Pigments, dyes, etc. can be used together.
【００１５】本発明の抗菌性樹脂組成物は、樹脂に対し
て無機系抗菌剤とともに分散改良剤および／または金属
石鹸が配合されているため、無機系抗菌剤の配合量が少
なくても長期に亘り防黴性、抗菌性、防藻性を有し、か
つ、製品の着色、変色、表面荒れなどがない。本発明の
抗菌性樹脂組成物は防黴び、抗菌性、防藻性を必要とさ
れる種々の分野で、例えば、食品用容器、冷蔵庫、各種
包材、繊維製品、チューブなどに用いることができる。The antibacterial resin composition of the present invention contains a dispersion improver and / or a metal soap together with an inorganic antibacterial agent in the resin. It has antifungal properties, antibacterial properties, and algae-proof properties, and there is no coloring, discoloration, or surface roughness of the product. The antibacterial resin composition of the present invention can be used in various fields where antifungal, antibacterial and antialgal properties are required, for example, food containers, refrigerators, various packaging materials, textile products, tubes and the like. it can.
【００１６】[0016]
【作用】本発明は請求項１のように構成すると、無機系
抗菌剤が抗菌性樹脂組成物によく分散されるので銀や銀
イオンなどの有効成分が製品表面に存在してその抗菌作
用が有効に発揮されるとともに、製品内部に分散された
無機系抗菌剤から有効成分が製品表面に移行して長期に
亘り優れた抗菌作用を発現する。本発明は請求項２のよ
うに構成すると、タルクなどの微粉体は入手が容易で経
済的である上、製品の着色、表面荒れなどを最小限に抑
えることができる。本発明は請求項３のように構成する
と、ステアリン酸カルシウムは入手が容易で経済的であ
る上、製品の着色、表面荒れなどを最小限に抑えること
ができる。When the present invention is configured as in claim 1, since the inorganic antibacterial agent is well dispersed in the antibacterial resin composition, active ingredients such as silver and silver ions are present on the surface of the product, and its antibacterial effect is exerted. In addition to being effectively exhibited, the active ingredient moves from the inorganic antibacterial agent dispersed inside the product to the surface of the product and exhibits an excellent antibacterial action for a long period of time. When the present invention is configured as in claim 2, fine powder such as talc is easily available and economical, and coloring of the product and surface roughness can be minimized. When the present invention is configured as in claim 3, calcium stearate is easily available and economical, and coloring of the product, surface roughness, etc. can be minimized.
【００１７】[0017]
【実施例】次に実施例により本発明を更に詳しく説明す
るが、本発明はこれらによって限定されるものではな
い。 （抗菌性試験方法）各種の樹脂に所定量の無機系抗菌
剤、分散改良剤や金属石鹸を配合した組成物をプレート
に成形し、そのプレートをガラスシャーレに入れ、プレ
ート表面に１０００分の１濃度普通ブイヨン培地で調製
した黄色ブドウ球菌懸濁液を０．２ミリリットル滴下
し、ポリエチレン製フィルムでラップした。２５℃で２
４時間保存した後、生菌数を測定した。Next, the present invention will be described in more detail by way of examples, which should not be construed as limiting the invention thereto. (Antibacterial test method) A composition prepared by mixing various resins with a predetermined amount of an inorganic antibacterial agent, a dispersion improver and a metal soap is molded into a plate, the plate is put into a glass petri dish, and the surface of the plate is 1/1000. Concentration 0.2 ml of Staphylococcus aureus suspension prepared in normal broth medium was added dropwise and wrapped with a polyethylene film. 2 at 25 ° C
After storing for 4 hours, the viable cell count was measured.
【００１８】（実施例１〜６）ＡＢＳ樹脂（旭化成
（株）製、商品名：スタイラックＡ５７３１）に対し
て、表１に示す量の無機系抗菌剤（東亜合成（株）製、
商品名；ノバロンＡＧＺ３３０）、無機系分散改良剤と
してのタルク微粉末、ステアリン酸カルシウム、有機系
分散改良剤（スチレン・ブタジエンエラストマー、旭化
成（株）製、商品名；タフプレンＡ）を配合した組成物
を用いて、ドライブレンドするか、あるいは押出ペレタ
イジング後、射出成形によりプレートを成形し、上記抗
菌性試験方法により試験した結果を表１に示す。(Examples 1 to 6) The amount of an inorganic antibacterial agent shown in Table 1 (manufactured by Toagosei Co., Ltd., based on ABS resin (manufactured by Asahi Kasei Corp., trade name: Stylac A5731))
Trade name: Novalon AGZ330), talc fine powder as an inorganic dispersion improver, calcium stearate, an organic dispersion improver (styrene-butadiene elastomer, manufactured by Asahi Kasei Co., Ltd., trade name: Toughprene A) Table 1 shows the results obtained by dry-blending or extrusion-pelletizing, then molding the plate by injection molding, and testing by the above-mentioned antibacterial test method.
【００１９】（比較例１）ＡＢＳ樹脂のみを用いて実施
例１と同様に試験した結果を表１に示す。(Comparative Example 1) Table 1 shows the result of the same test as in Example 1 using only the ABS resin.
【００２０】（比較例２）ＡＢＳ樹脂に無機系抗菌剤を
１．０重量％配合した以外は実施例１と同様に試験した
結果を表１に示す。Comparative Example 2 Table 1 shows the results of the same test as in Example 1 except that the ABS resin was mixed with 1.0% by weight of an inorganic antibacterial agent.
【００２１】（比較例３）比較例２の組成物を用いて実
施例１と同様に成形し、その表面から約１０μｍを削り
取って実施例１と同様に試験した結果を表１に示す。Comparative Example 3 The composition of Comparative Example 2 was used for molding in the same manner as in Example 1, and about 10 μm was scraped from the surface of the composition, and the results of the same test as in Example 1 are shown in Table 1.
【００２２】（実施例７〜８）ＨＩＰＳ樹脂（旭化成
（株）製、商品名：スタイロン４７５Ｓ）に対して、表
１に示す量の無機系抗菌剤（東亜合成（株）製、商品
名；ノバロンＡＧＺ３３０）、ステアリン酸カルシウム
を配合した組成物を用いて、ドライブレンドするか、あ
るいは押出ペレタイジング後、射出成形によりプレート
を成形し、上記抗菌性試験方法により試験した結果を表
１に示す。(Examples 7 to 8) The amount of the inorganic antibacterial agent shown in Table 1 (manufactured by Toagosei Co., Ltd., trade name; based on HIPS resin (made by Asahi Kasei Co., Ltd., trade name: STYLON 475S)). Table 1 shows the results of testing by the above-mentioned antibacterial test method by dry blending a composition containing Novalon AGZ330) and calcium stearate, or by extrusion-pelletizing, and thereafter molding a plate by injection molding.
【００２３】（比較例４）ＨＩＰＳ樹脂のみを用いて実
施例６と同様に試験した結果を表１に示す。Comparative Example 4 Table 1 shows the results of the same test as in Example 6 using only the HIPS resin.
【００２４】（比較例５）ＨＩＰＳ樹脂に無機系抗菌剤
を０．３重量％配合した以外は実施例６と同様に試験し
た結果を表１に示す。Comparative Example 5 Table 1 shows the results of the same tests as in Example 6 except that 0.3% by weight of an inorganic antibacterial agent was added to the HIPS resin.
【００２５】（実施例９〜１０）ＰＰ樹脂（三井石油化
学（株）製、商品名：Ｖ７０００）に対して、表１に示
す量の無機系抗菌剤（東亜合成（株）製、商品名；ノバ
ロンＡＧＺ３３０）、ステアリン酸カルシウムを配合し
た組成物を用いて、ドライブレンドするか、あるいは押
出ペレタイジング後、射出成形によりプレートを成形
し、上記抗菌性試験方法により試験した結果を表１に示
す。(Examples 9 to 10) The amount of inorganic antibacterial agent shown in Table 1 (commercial name, manufactured by Toagosei Co., Ltd.) with respect to PP resin (commercial name: V7000, manufactured by Mitsui Petrochemical Co., Ltd.) Novalon AGZ330) and calcium stearate were used for dry blending, or extrusion pelletizing, and then a plate was formed by injection molding, and the results of the test by the above-mentioned antibacterial property test method are shown in Table 1.
【００２６】（比較例６）ＰＰ樹脂のみを用いて実施例
８と同様に試験した結果を表１に示す。(Comparative Example 6) Table 1 shows the results of the same test as in Example 8 using only the PP resin.
【００２７】（比較例７）ＰＰ樹脂に無機系抗菌剤を
０．３重量％配合した以外は実施例８と同様に試験した
結果を表１に示す。Comparative Example 7 Table 1 shows the results of the same test as in Example 8 except that the PP resin was blended with 0.3% by weight of an inorganic antibacterial agent.
【００２８】[0028]
【表１】 [Table 1]
【００２９】表１から無機系抗菌剤とともに無機系抗菌
剤の分散を改善するための分散改良剤および／または金
属石鹸を配合した本発明の抗菌性樹脂組成物（実施例１
〜１０）はメシチリン耐性黄色ブドウ球菌に対して優れ
た抗菌性を示すことが判る。それに対して樹脂のみある
いは樹脂に対して無機系抗菌剤のみを配合した樹脂組成
物（比較例１〜７）は抗菌性が劣る。特に比較例２〜３
と実施例１〜６を比較すると、有効成分が製品表面に存
在して抗菌作用が有効に発揮されることが判る。From Table 1, an antibacterial resin composition of the present invention containing an inorganic antibacterial agent and / or a dispersion improver for improving the dispersion of the inorganic antibacterial agent and / or a metal soap (Example 1)
It is found that 10 to 10) show excellent antibacterial activity against mesitillin-resistant Staphylococcus aureus. On the other hand, the resin compositions in which only the resin or only the inorganic antibacterial agent is mixed with the resin (Comparative Examples 1 to 7) have poor antibacterial properties. Comparative Examples 2-3
When comparing Examples 1 to 6, it can be seen that the active ingredient is present on the surface of the product and the antibacterial action is effectively exhibited.
【００３０】[0030]
【発明の効果】本発明の抗菌性樹脂組成物は、無機系抗
菌剤の配合量が少なくてもメシチリン耐性黄色ブドウ球
菌などの菌類に対して長期に亘り優れた抗菌性を示す
上、製品の着色、表面荒れなどを抑えることができる。
分散改良剤としてタルクなどの微粉体を使用すれば入手
が容易で経済的である上、製品の着色、表面荒れなどを
最小限に抑えることができる。分散改良剤としてステア
リン酸カルシウムを使用すれば入手が容易で経済的であ
る上、製品の着色、表面荒れなどを最小限に抑えること
ができる。INDUSTRIAL APPLICABILITY The antibacterial resin composition of the present invention shows excellent antibacterial properties for a long period of time against fungi such as mesitillin-resistant Staphylococcus aureus even when the amount of the inorganic antibacterial agent is small, and Coloring and surface roughness can be suppressed.
If fine powder such as talc is used as the dispersion improver, it is easily available and economical, and coloring of the product and surface roughness can be minimized. If calcium stearate is used as a dispersion improver, it is easily available and economical, and coloring of the product and surface roughness can be minimized.
フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ０８Ｌ 9/06 ＫＤＢ Ｃ０８Ｌ 9/06 ＫＤＢ 53/02 ＬＬＶ 53/02 ＬＬＶ 55/02 ＬＭＢ 55/02 ＬＭＢ 67/00 ＫＪＶ 67/00 ＫＪＶ 75/04 ＮＦＸ 75/04 ＮＦＸ 101/00 101/00 Continuation of front page (51) Int.Cl. 6 Identification code Internal reference number FI Technical display location C08L 9/06 KDB C08L 9/06 KDB 53/02 LLV 53/02 LLV 55/02 LMB 55/02 LMB 67 / 00 KJV 67/00 KJV 75/04 NFX 75/04 NFX 101/00 101/00
Claims (3)
組成物に、この組成物中における無機系抗菌剤の分散を
改善するための分散改良剤および／または金属石鹸を配
合したことを特徴とする抗菌性樹脂組成物。1. An antibacterial resin composition comprising an inorganic antibacterial agent and a resin, and a dispersion improver and / or a metal soap for improving the dispersion of the inorganic antibacterial agent in the composition. And an antibacterial resin composition.
ライト、カオリンクレー、珪藻土、タルク、ベントナイ
ト、セラミックスの微粉体のいずれかまたはその組み合
わせ、およびポリスチレン・ブラジエンエラストマー、
ポリウレタンエラストマー、ポリエステルエラストマー
から選ばれたものであることを特徴とする請求項１記載
の抗菌性樹脂組成物。2. The dispersion improving agent is any one or a combination of calcium carbonate, zeolite, kaolin clay, diatomaceous earth, talc, bentonite, fine powder of ceramics, and polystyrene bradyene elastomer,
The antibacterial resin composition according to claim 1, which is selected from a polyurethane elastomer and a polyester elastomer.
であることを特徴とする請求項１記載の抗菌性樹脂組成
物。3. The antibacterial resin composition according to claim 1, wherein the metal soap is calcium stearate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33250795A JP3266174B2 (en) | 1995-11-29 | 1995-11-29 | Antibacterial resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33250795A JP3266174B2 (en) | 1995-11-29 | 1995-11-29 | Antibacterial resin composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09151271A true JPH09151271A (en) | 1997-06-10 |
| JP3266174B2 JP3266174B2 (en) | 2002-03-18 |
Family
ID=18255709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33250795A Expired - Lifetime JP3266174B2 (en) | 1995-11-29 | 1995-11-29 | Antibacterial resin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3266174B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003245132A (en) * | 2002-02-22 | 2003-09-02 | Tadashi Inoue | Antibacterial goods or toothbrush containing inorganic antibacterial agent |
| CZ299458B6 (en) * | 2007-05-18 | 2008-07-30 | Friedl@František | Use of diatomaceous earth-based mixture for preparing therapeutical composition exhibiting comprehensive antibacterial, antiphlogistic and antihemophilic activity |
-
1995
- 1995-11-29 JP JP33250795A patent/JP3266174B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003245132A (en) * | 2002-02-22 | 2003-09-02 | Tadashi Inoue | Antibacterial goods or toothbrush containing inorganic antibacterial agent |
| CZ299458B6 (en) * | 2007-05-18 | 2008-07-30 | Friedl@František | Use of diatomaceous earth-based mixture for preparing therapeutical composition exhibiting comprehensive antibacterial, antiphlogistic and antihemophilic activity |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3266174B2 (en) | 2002-03-18 |
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