JP2001226207A - Quality retaining agent - Google Patents
Quality retaining agentInfo
- Publication number
- JP2001226207A JP2001226207A JP2000037387A JP2000037387A JP2001226207A JP 2001226207 A JP2001226207 A JP 2001226207A JP 2000037387 A JP2000037387 A JP 2000037387A JP 2000037387 A JP2000037387 A JP 2000037387A JP 2001226207 A JP2001226207 A JP 2001226207A
- Authority
- JP
- Japan
- Prior art keywords
- titanium dioxide
- synthetic resin
- quality
- mass
- organic substance
- 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.)
- Granted
Links
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
- Anti-Oxidant Or Stabilizer Compositions (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、品質保持剤に関す
る。さらに詳しくは、本発明は食品、衣料品、医薬品、
革製品、木製品、精密機械などの種々の物や商品のカビ
や菌、虫、酸化などによる品質の劣化を防止する品質保
持剤に関する。[0001] The present invention relates to a quality preservative. More specifically, the present invention relates to food, clothing, pharmaceuticals,
The present invention relates to a quality preserving agent for preventing deterioration of quality of various products such as leather products, wood products, and precision instruments and products due to mold, fungi, insects, oxidation, and the like.
【０００２】[0002]
【従来の技術】カビや菌、虫などによる物や商品の被害
防止剤として、これまでクレゾールなどの殺菌剤、ナフ
タリンなどの防虫剤、銀、銅、亜鉛、白金などを含んだ
抗菌抗カビ剤などが使われてきた。しかし、これらはい
ずれも人体に対して有害であるため、アレルギーなどを
引き起こすという問題があり、また、食品への使用は不
可能であった。最近、鉄を含んだ脱酸素剤が食品の劣化
防止剤として普及してきているが、食品の味や色を変質
させることがあり、しかも、殺菌についてはほとんど効
果がないなどの欠点があった。2. Description of the Related Art Antibacterial agents including bactericides such as cresol, insecticides such as naphthalene, and antibacterial and antifungal agents containing silver, copper, zinc, platinum, etc., as agents for preventing damage to products and products caused by molds, fungi and insects. Etc. have been used. However, all of them are harmful to the human body, causing a problem of causing allergies and the like, and cannot be used for foods. Recently, oxygen-containing oxygen scavengers have been widely used as food deterioration inhibitors, but have the disadvantages that they can alter the taste and color of foods and have little effect on sterilization.
【０００３】[0003]
【発明が解決しようとする課題】本発明は、上記点に鑑
み、安全性に優れ、酸素吸収効果、酸化防止効果や防カ
ビ効果、殺菌効果、防虫効果に優れた経済的な品質保持
剤を提供することを目的とする。SUMMARY OF THE INVENTION In view of the above, the present invention provides an economical quality preserving agent which is excellent in safety and excellent in oxygen absorption effect, antioxidant effect, antifungal effect, bactericidal effect and insect repellent effect. The purpose is to provide.
【０００４】[0004]
【課題を解決するための手段】本発明は、二酸化チタン
を合成樹脂に、二酸化チタン質量と合成樹脂質量との合
計を基準として、３〜５０％含有させてなる品質保持
剤、二酸化チタンと常温で液状の有機物とを混合してな
る品質保持剤、及び二酸化チタンと常温で液状の有機物
との混合物を合成樹脂に、二酸化チタン質量と合成樹脂
質量との合計を基準として、３〜５０％含有させてなる
品質保持剤に関する。SUMMARY OF THE INVENTION The present invention provides a quality preservative comprising titanium dioxide in a synthetic resin in an amount of 3 to 50% based on the total mass of the titanium dioxide and the synthetic resin. A quality preserving agent obtained by mixing a liquid organic substance with the above, and a mixture of titanium dioxide and a liquid organic substance at a normal temperature is contained in the synthetic resin in an amount of 3 to 50% based on the total mass of the titanium dioxide and the synthetic resin. The present invention relates to a quality preservative.
【０００５】[0005]
【発明の実施の形態】本発明に用いられる二酸化チタン
は、ルチルやブルッカイトなどの結晶形や非晶質のもの
でも良いが、アナターゼの形のものがより好ましい。ま
た、二酸化チタンの形状は、特に制限はなく、例えば粒
状、球状、板状、円柱状、円筒状、粉末状、顆粒状など
であって良いが、表面積が大きく、酸素吸収速度の大き
な粉末状や顆粒状のものがより好ましく、超微粒子状の
ものが特に好ましい。さらに二酸化チタンの純度は、低
いものでも使用できるが、性能の点から高いほうが好ま
しく、例えば８０〜１００％のものが、その中でも１０
０％またはそれに近いものが好ましく用いられる。BEST MODE FOR CARRYING OUT THE INVENTION The titanium dioxide used in the present invention may be in a crystalline form such as rutile or brookite or in an amorphous form, but more preferably in an anatase form. The shape of the titanium dioxide is not particularly limited, and may be, for example, granular, spherical, plate-like, cylindrical, cylindrical, powdery, granular, or the like, but powdery having a large surface area and a large oxygen absorption rate. And fine particles are more preferable, and ultrafine particles are particularly preferable. Further, the purity of titanium dioxide can be used even if it is low, but it is preferable that the purity is high from the viewpoint of performance.
0% or close to it is preferably used.
【０００６】本発明に用いられる合成樹脂としては、分
解されて生ずるガスを考慮して、炭素と水素又は炭素と
水素と酸素から構成されるものが好ましく、また、熱硬
化性樹脂であっても良いが、二酸化チタンと合成樹脂と
の密着性の観点から、熱可塑性樹脂の方が好ましい。具
体的には、ポリエチレン、ポリプロピレン、エチレン−
プロピレン共重合体、エチレン−酢酸ビニル共重合体等
のエチレン系共重合体、プロピレン系共重合体などを含
むポリオレフィン系樹脂、ポリエチレンテレフタレート
等のポリエチレンフタレート系、ポリブチレンフタレー
ト系等を含むポリエステル系樹脂、ポリアミド系樹脂、
ポリカーボネート系樹脂、ポリアクリロニトリル系樹
脂、酢酸ビニル系樹脂、エチレン−ビニルアルコール共
重合体樹脂、フェノール系樹脂、フタル酸系樹脂、アク
リル系樹脂、マレイン酸系樹脂などが挙げられ、これら
は単独で又は２種以上組み合わせて用いられる。本発明
に用いられる合成樹脂は新たに製造されたものであって
も良いが、例えばペットボトル等からペレット状等に再
生したものであっても良く、資源の再利用及び価格面か
らこのように再生されたもののほうが好ましく、中でも
再生されたポリエチレン、ポリプロピレンがもっとも好
ましい。The synthetic resin used in the present invention is preferably composed of carbon and hydrogen or carbon, hydrogen and oxygen in consideration of the gas generated by decomposition. Although good, a thermoplastic resin is preferred from the viewpoint of adhesion between titanium dioxide and a synthetic resin. Specifically, polyethylene, polypropylene, ethylene-
Ethylene-based copolymers such as propylene copolymers and ethylene-vinyl acetate copolymers, polyolefin-based resins including propylene-based copolymers and the like, polyethylene-based resins such as polyethylene terephthalate and the like, and polyester-based resins including polybutylene phthalate and the like , Polyamide resin,
Polycarbonate resin, polyacrylonitrile resin, vinyl acetate resin, ethylene-vinyl alcohol copolymer resin, phenolic resin, phthalic acid resin, acrylic resin, maleic acid resin and the like, and these alone or It is used in combination of two or more. The synthetic resin used in the present invention may be a newly produced resin, but may be a resin regenerated in a pellet form or the like from a PET bottle or the like. Regenerated materials are more preferable, and regenerated polyethylene and polypropylene are most preferable.
【０００７】本発明に用いられる常温で液状の有機物と
しては、常温で液状のものであれば特に制限はないが、
分解されて生ずるガスを考慮して炭素と水素又は炭素と
水素と酸素からなる有機物であることが好ましく、さら
にそれ自体有害でないものが好ましい。The organic substance which is liquid at ordinary temperature used in the present invention is not particularly limited as long as it is liquid at ordinary temperature.
In view of the gas generated by decomposition, it is preferably an organic substance comprising carbon and hydrogen or carbon, hydrogen and oxygen, and more preferably a substance which is not harmful per se.
【０００８】上記観点から、本発明で使用する有機物の
好ましい例として、炭素数２〜１２のアルカノール（エ
タノール、イソプロパノール、ブタノール、ヘキサノー
ル等）、低級多価アルコール（エチレングリコール、ジ
エチレングリコール、トリエチレングリコール、プロピ
レングリコール、ブチレングリコール、グリセリン
等）、シクロペンタノール、シクロヘキサノール、ベン
ジルアルコール、フェネチルアルコール、テトラヒドロ
フラン、テトラヒドロピラン、ジオキサン、エチレング
リコールのモノ低級アルキルエーテル（セロソルブ）
［エチレングリコールモノメチルエーテル（メチルセロ
ソルブ）、エチレングリコールモノエチルエーテル（エ
チルセロソルブ）、エチレングリコールモノプロピルエ
ーテル（プロピルセロソルブ）、エチレングリコールモ
ノブチルエーテル（ブチルセロソルブ）等］、アセトン
などが挙げられる。In view of the above, preferred examples of the organic substance used in the present invention include alkanols having 2 to 12 carbon atoms (ethanol, isopropanol, butanol, hexanol, etc.), and lower polyhydric alcohols (ethylene glycol, diethylene glycol, triethylene glycol, etc.). Propylene glycol, butylene glycol, glycerin, etc.), cyclopentanol, cyclohexanol, benzyl alcohol, phenethyl alcohol, tetrahydrofuran, tetrahydropyran, dioxane, mono-lower alkyl ether of ethylene glycol (cellosolve)
[Ethylene glycol monomethyl ether (methyl cellosolve), ethylene glycol monoethyl ether (ethyl cellosolve), ethylene glycol monopropyl ether (propyl cellosolve), ethylene glycol monobutyl ether (butyl cellosolve), and acetone.
【０００９】二酸化チタンと合成樹脂とからなる品質保
持剤の場合、二酸化チタンを、二酸化チタン質量と合成
樹脂質量との合計を基準として、３〜５０質量％、好ま
しくは５〜２０質量％含有させる。３質量％未満では酸
素吸収効果が十分でなく、５０質量％を超えると二酸化
チタンと合成樹脂との密着性が不十分になる恐れがあ
る。In the case of a quality preserving agent comprising titanium dioxide and a synthetic resin, the content of titanium dioxide is 3 to 50% by mass, preferably 5 to 20% by mass, based on the total mass of the titanium dioxide and the synthetic resin. . If it is less than 3% by mass, the oxygen absorbing effect is not sufficient, and if it exceeds 50% by mass, the adhesion between titanium dioxide and the synthetic resin may be insufficient.
【００１０】上記品質保持剤は、溶融合成樹脂に二酸化
チタンを練り込んだ後、適当な形態に加工することによ
って製造することができる。The above-mentioned quality preservative can be produced by kneading titanium dioxide into a molten synthetic resin and then processing it into an appropriate form.
【００１１】二酸化チタンと常温で液状の有機物とから
なる品質保持剤は、二酸化チタンと前記有機物とを混合
することによって製造することができる。混合比につい
ては特に制限はないが、二酸化チタン：有機物＝５：
０．２〜５：５であることが好ましく、５：０．５〜
５：３であることがさらに好ましい。混合の方法として
は、機械的混合、塗布等が挙げられる。二酸化チタンと
前記有機物との比が５：０．２より前記有機物が少ない
と一般に酸素吸収効果が十分でなく、５：５より前記有
機物が多いと一般にスラリー状になり取り扱いにくくな
る。A quality preserving agent comprising titanium dioxide and an organic substance which is liquid at room temperature can be produced by mixing titanium dioxide and the organic substance. The mixing ratio is not particularly limited, but titanium dioxide: organic matter = 5:
0.2 to 5: 5, preferably 5: 0.5 to
More preferably, the ratio is 5: 3. Examples of the mixing method include mechanical mixing and coating. If the ratio of titanium dioxide to the organic substance is less than 5: 0.2, the amount of the organic substance is generally insufficient, and if the ratio of the organic substance is more than 5: 5, the organic substance generally becomes a slurry and becomes difficult to handle.
【００１２】二酸化チタンと常温で液状の有機物との混
合物を合成樹脂に含有させてなる品質保持剤は、上記の
ようにして製造した二酸化チタンと常温で液状の有機物
との混合物を、二酸化チタンと合成樹脂とからなる品質
保持剤の場合と同様にして、合成樹脂に含有させること
によって製造することができる。各成分の使用比率も上
記と同様でよい。A quality preserving agent comprising a mixture of titanium dioxide and an organic substance which is liquid at room temperature in a synthetic resin is prepared by mixing a mixture of titanium dioxide produced as described above and an organic substance which is liquid at room temperature with titanium dioxide. It can be produced by incorporating it into a synthetic resin in the same manner as in the case of a quality preservative made of a synthetic resin. The use ratio of each component may be the same as above.
【００１３】本発明の品質保持剤は多孔質担体の表面に
コートして使用してもよい。その場合、品質保持剤の表
面積が大きくなるため、酸素吸収効果が増大する。多孔
質担体としては特に制限はないが、例えば、シリカゲ
ル、ゼオライト、素焼粘土、セラミックス、ガラス玉、
プラスチック、紙などが挙げられる。The quality maintaining agent of the present invention may be used by coating it on the surface of a porous carrier. In this case, since the surface area of the quality preservative increases, the oxygen absorbing effect increases. Although there is no particular limitation on the porous carrier, for example, silica gel, zeolite, clay, ceramics, glass beads,
Plastic, paper and the like can be mentioned.
【００１４】本発明の品質保持剤の形態としては、二酸
化チタンと合成樹脂とからなる品質保持剤及び二酸化チ
タンと常温で液状の有機物との混合物を合成樹脂に含有
させてなる品質保持剤の場合は、特に制限はなく、シー
ト、顆粒、ペレット、粉末等が挙げられ、二酸化チタン
と常温で液状の有機物とからなる品質保持剤の場合は、
顆粒、粉末等が挙げられる。また、これらの品質保持剤
を多孔質担体表面にコートする場合は、特に制限はな
く、シート、顆粒、ペレット、粉末等が挙げられる。The form of the quality preserving agent of the present invention may be a quality preserving agent comprising titanium dioxide and a synthetic resin and a quality preserving agent comprising a mixture of titanium dioxide and an organic substance which is liquid at ordinary temperature. Is not particularly limited, sheets, granules, pellets, powders and the like, and in the case of a quality preservative composed of titanium dioxide and an organic substance that is liquid at room temperature,
Granules, powders and the like can be mentioned. In addition, when these quality preservatives are coated on the surface of the porous carrier, there is no particular limitation, and examples thereof include sheets, granules, pellets, and powders.
【００１５】本発明の品質保持剤は、シートの場合はそ
のまま、顆粒、ペレット、粉末の場合は空気が透過し、
透明な（すなわち光を透過する）袋などに入れ、箱、
缶、ショーケース等の密閉できる容器又は密閉空間中
に、二酸化チタンに光が当たる状態で、保存すべき食品
や衣料、医薬品、革製品、木製品、精密機械などの物や
商品と一緒に入れておくと、系内の酸素を吸収して酸素
欠乏状態を作り出して酸化を防ぐと共に、優れた殺菌抗
カビ作用、防虫作用、防臭作用を示し、物や商品に有害
化学物質が染み込むこともなく、安全にその品質を長期
間保持することができる。なお、光としては、紫外線、
自然光、可視光のいずれでも良く、また電球や蛍光灯の
光でも良い。又容器、密閉空間としては、光が外から当
たる場合には透明なものであることを要するが、容器、
密閉空間内に光源がある場合には透明でなくてもよい。[0015] The quality preservative of the present invention permeates air as it is in the case of a sheet, and permeates air in the case of granules, pellets, and powders.
Put it in a transparent (ie, transparent) bag,
In a tightly closed container such as a can or a showcase or in a closed space, keep the titanium dioxide under light and put it together with food and clothing, pharmaceuticals, leather goods, wood products, precision machinery, and other goods and goods to be preserved. In addition to absorbing oxygen in the system and creating an oxygen-deficient state to prevent oxidation, it also has excellent antibacterial, antifungal, insect repellent, and odor-preventing effects, and is safe without harmful chemical substances permeating into products and products The quality can be maintained for a long time. In addition, as light, ultraviolet rays,
Natural light or visible light may be used, and light from a light bulb or fluorescent light may be used. In addition, as for the container and the sealed space, it is necessary that the container be transparent when light hits from the outside.
When there is a light source in the closed space, the light source need not be transparent.
【００１６】本発明の品質保持剤のより具体的な適用例
について述べると、のり、和洋菓子、珍味類等の比較的
耐光性のある食品の酸化防止、高級果物・野菜の輸送中
の保存（例えばある種の野菜では１５％程度の酸素が保
存に最適であることが知られており、また長持ちしない
ために地方消費されるものがある）、医薬品の保存（医
薬品シートのバルクの袋の中に入れる、デシケータ中で
の酸化防止など）、ガラスケースに入った酸素を嫌う商
品、文化財（鉄、銅製品、古文書等）の保存などに利用
可能である。More specific examples of the application of the quality preservative of the present invention are as follows: antioxidation of relatively light-fast foods such as glue, Japanese and Western confections, delicacies, etc., preservation of high-quality fruits and vegetables during transportation ( For example, about 15% of oxygen is known to be optimal for preservation for some kinds of vegetables, and some are consumed locally because they do not last long.) Preservation of pharmaceuticals (in bulk bags of pharmaceutical sheets) It can be used for preservation of products that dislike oxygen in glass cases, cultural assets (iron, copper products, old documents, etc.).
【００１７】本発明の品質保持剤の作用機構について
は、酸化チタンの光触媒作用により、合成樹脂又は常温
で液状の有機物が最終的に炭酸ガスにまで分解されると
共に、その際酸素が吸収、消費される。系内の雑菌、臭
いも光触媒作用により、殺菌、分解される。Regarding the action mechanism of the quality preservative of the present invention, the photocatalytic action of titanium oxide causes the synthetic resin or the organic substance which is liquid at room temperature to be finally decomposed into carbon dioxide gas, and at that time, oxygen is absorbed and consumed. Is done. Bacteria and odors in the system are also sterilized and decomposed by photocatalysis.
【００１８】本発明の品質保持剤の使用量は、いずれの
形態のものであっても、これを使用する系内の酸素量、
品質保持剤中の二酸化チタンの酸素吸収能、密閉系内の
望まれる最終酸素量、最終酸素量への到達に望まれる時
間等を勘案して決定することができる。一般的には、密
閉系内の空気１Ｌに対して３〜３０ｇ、特に５〜２０ｇ
が適当である。[0018] The amount of the quality preservative of the present invention, regardless of the form, is the amount of oxygen in the system in which it is used,
It can be determined in consideration of the oxygen absorption capacity of titanium dioxide in the quality preservative, the desired final oxygen amount in the closed system, the time required to reach the final oxygen amount, and the like. Generally, 3 to 30 g, especially 5 to 20 g per liter of air in a closed system
Is appropriate.
【００１９】本発明の品質保持剤は低温でも使用でき、
広範囲の温度範囲で効率良く使用できる。温度範囲とし
ては、特に制限ないが、通常−３０〜８０℃が適当であ
り、−５〜５０℃が好ましい。The preservative of the present invention can be used even at a low temperature,
Can be used efficiently over a wide temperature range. Although there is no particular limitation on the temperature range, usually -30 to 80 ° C is appropriate, and -5 to 50 ° C is preferable.
【００２０】[0020]
【実施例】以下に本発明の実施例を示す。 実施例１及び比較例１ 溶融したポリエチレンに所定割合の二酸化チタン粉末
（石原産業（株）製）を練り込み、シートにした。得ら
れたシート５ｇを透明な５００ｍｌ容の密閉容器（内容
ガスは空気（酸素濃度２０．６％））に入れ、密閉容器
全体を、外部の光の影響を避けるため、不透明な箱で覆
い、箱内側に取り付けたブラックライト（１５Ｗ×２
本、松下電器産業（株）製）又は蛍光灯（昼白色１５Ｗ
×２本、松下電器産業（株）製）をシートに照射し、経
時的に酸素濃度を測定した。密閉容器内の温度は２５℃
であった。結果を図１及び図２に示す。図１及び図２か
ら明らかなごとく、ブラックライト下でも蛍光灯下で
も、二酸化チタン１％（％はポリエチレン及び二酸化チ
タンの合計質量に対する二酸化チタン質量の割合を示
す；以下同様）（比較例１）の場合には、二酸化チタン
０％（対照例１）の場合に比し酸素吸収効果が認められ
たが、二酸化チタン５％及び１０％（実施例１）の場合
には、比較例１に比し急激な酸素吸収効果が認められ
た。なお、上記二酸化チタン１０％シート及び以下の実
施例２の二酸化チタン１０％及び１５％粉末は、脱酸素
剤の業界において脱酸素剤として必要とされる、酸素吸
収量２０ｍｌ／ｇ以上（４８時間以内）の基準をクリア
している。Examples of the present invention will be described below. Example 1 and Comparative Example 1 A predetermined ratio of titanium dioxide powder (manufactured by Ishihara Sangyo Co., Ltd.) was kneaded into molten polyethylene to form a sheet. 5 g of the obtained sheet is placed in a transparent 500 ml sealed container (content gas is air (oxygen concentration: 20.6%)), and the entire sealed container is covered with an opaque box to avoid the influence of external light. Black light (15W x 2) attached inside the box
Book, Matsushita Electric Industrial Co., Ltd.) or fluorescent light (lunch white 15W)
(* 2, Matsushita Electric Industrial Co., Ltd.) was irradiated to the sheet, and the oxygen concentration was measured over time. The temperature inside the sealed container is 25 ° C
Met. The results are shown in FIGS. As is clear from FIGS. 1 and 2, 1% of titanium dioxide under black light or fluorescent light (% indicates the ratio of the mass of titanium dioxide to the total mass of polyethylene and titanium dioxide; the same applies hereinafter) (Comparative Example 1) In the case of (1), the oxygen absorption effect was recognized as compared with the case of titanium dioxide 0% (Comparative Example 1), but in the case of 5% and 10% of titanium dioxide (Example 1), the effect was higher than that of Comparative Example 1. A rapid oxygen absorption effect was observed. The 10% titanium dioxide sheet and the 10% and 15% titanium dioxide powder of Example 2 described below are required as oxygen scavengers in the industry of oxygen scavengers, and have an oxygen absorption of 20 ml / g or more (48 hours). Within) criteria.
【００２１】実施例２及び比較例２ 溶融したポリエチレンに所定割合の二酸化チタン粉末を
練り込み、ついで粉末化した。得られた粉末５ｇを実施
例１のシートに代え、照射する光としてブラックライト
を用いた以外は実施例１と同様にして、経時的に酸素濃
度を測定した。結果を図３に示す。図３から明らかなご
とく、二酸化チタン５％、１０％及び１５％（実施例
２）の場合には、二酸化チタン１％（比較例２）の場合
に比し急激な酸素吸収効果が認められた。Example 2 and Comparative Example 2 A predetermined ratio of titanium dioxide powder was kneaded into molten polyethylene and then powdered. The oxygen concentration was measured over time in the same manner as in Example 1 except that 5 g of the obtained powder was replaced with the sheet of Example 1 and black light was used as irradiation light. The results are shown in FIG. As is clear from FIG. 3, a sharp oxygen absorption effect was observed in the case of 5%, 10% and 15% of titanium dioxide (Example 2) as compared with the case of 1% of titanium dioxide (Comparative Example 2). .
【００２２】実施例３ 実施例１で使用したのと同様な密閉容器中で、平たい皿
に入れた二酸化チタン粉末５ｇを十分に攪拌しながら、
エタノール１．２５ｇをスプレーした。ついで、照射す
る光としてブラックライトを用いた以外は実施例１と同
様にして、経時的に酸素濃度を測定した。その結果、酸
素は最終的にほぼ０まで減少した。Example 3 In a closed container similar to that used in Example 1, 5 g of titanium dioxide powder placed in a flat dish was thoroughly stirred.
1.25 g of ethanol was sprayed. Subsequently, the oxygen concentration was measured over time in the same manner as in Example 1 except that black light was used as the irradiation light. As a result, oxygen eventually decreased to almost zero.
【００２３】[0023]
【発明の効果】本発明の品質保持剤は、酸素吸収効果に
優れ、かつ酸化防止効果、防カビ効果、殺菌効果、防虫
効果も同時に期待できる。Industrial Applicability The quality preservative of the present invention is excellent in oxygen absorbing effect and can be expected to have antioxidant effect, antifungal effect, bactericidal effect and insect repellent effect at the same time.
【図１】二酸化チタン含有ポリエチレンシートについて
ブラックライトを照射した場合の密閉系内の経時的酸素
濃度変化を示す。FIG. 1 shows a change in oxygen concentration over time in a closed system when a titanium dioxide-containing polyethylene sheet is irradiated with black light.
【図２】二酸化チタン含有ポリエチレンシートについて
蛍光灯を照射した場合の密閉系内の経時的酸素濃度変化
を示す。FIG. 2 shows a time-dependent change in oxygen concentration in a closed system when a titanium dioxide-containing polyethylene sheet is irradiated with a fluorescent lamp.
【図３】二酸化チタン含有ポリエチレン粉末についてブ
ラックライトを照射した場合の密閉系内の経時的酸素濃
度変化を示す。FIG. 3 shows a change in oxygen concentration over time in a closed system when a titanium dioxide-containing polyethylene powder is irradiated with black light.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 垰田 博史 愛知県名古屋市名東区平和が丘１丁目70番 地 猪子石住宅４棟301号 (72)発明者 荻林 成章 千葉県木更津市真舟３丁目５番８号 (72)発明者 中澤 宏 千葉県船橋市本町３丁目33番13号丸勝産業 株式会社内 (72)発明者 大毛利 英昭 千葉県船橋市本町３丁目33番13号丸勝産業 株式会社内 (72)発明者 冨樫 邦弘 千葉県船橋市本町３丁目33番13号丸勝産業 株式会社内 Ｆターム(参考） 4H011 AA02 AA03 AC06 BA01 BB18 BC03 BC19 DA02 DA07 DC05 DH02 DH27 4H025 AA01 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hirofumi Taota 1-70 Heiwagaoka, Meito-ku, Nagoya-shi, Aichi Prefecture Inokoishi House 4 Building 301 No. 72 (72) Inventor Shigeaki Ogibayashi 3-chome Mabune, Kisarazu-shi, Chiba No. 5-8 (72) Inventor Hiroshi Nakazawa 3-33-13 Honcho, Funabashi-shi, Chiba Maruchikatsu Sangyo Co., Ltd. (72) Inventor Hideaki Omori 3-33-13 Honcho, Funabashi-shi, Chiba Marukachi Sangyo In-house (72) Inventor Kunihiro Togashi 3-33-13, Honcho, Funabashi-shi, Chiba F-term (reference) 4H011 AA02 AA03 AC06 BA01 BB18 BC03 BC19 DA02 DA07 DC05 DH02 DH27 4H025 AA01
Claims (4)
ン質量と合成樹脂質量との合計を基準として、３〜５０
％含有させてなる品質保持剤。1. Titanium dioxide is used as a synthetic resin, and 3 to 50 based on the sum of the mass of the titanium dioxide and the mass of the synthetic resin.
% Preservative.
混合してなる品質保持剤。2. A quality preservative prepared by mixing titanium dioxide and an organic substance which is liquid at room temperature.
混合物を合成樹脂に、二酸化チタン質量と合成樹脂質量
との合計を基準として、３〜５０％含有させてなる品質
保持剤。3. A quality preservative comprising a mixture of titanium dioxide and an organic substance which is liquid at room temperature in a synthetic resin in an amount of 3 to 50% based on the total mass of the titanium dioxide and the mass of the synthetic resin.
混合比が５：０．２〜５：５である請求項２又は３記載
の品質保持剤。4. The quality preserving agent according to claim 2, wherein the mixing ratio of titanium dioxide to an organic substance which is liquid at room temperature is 5: 0.2 to 5: 5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000037387A JP4784953B2 (en) | 2000-02-16 | 2000-02-16 | Oxygen scavenger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000037387A JP4784953B2 (en) | 2000-02-16 | 2000-02-16 | Oxygen scavenger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001226207A true JP2001226207A (en) | 2001-08-21 |
| JP4784953B2 JP4784953B2 (en) | 2011-10-05 |
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ID=18561283
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000037387A Expired - Lifetime JP4784953B2 (en) | 2000-02-16 | 2000-02-16 | Oxygen scavenger |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005079974A1 (en) * | 2004-02-23 | 2005-09-01 | Kuraray Co., Ltd. | Oxygen absorbent, method for producing same, and oxygen absorbing composition and packaging material using same |
| WO2005123248A1 (en) * | 2004-06-18 | 2005-12-29 | Kuraray Co., Ltd. | Oxygen-absorbing composition and packaging material |
| JP2006111649A (en) * | 2004-10-12 | 2006-04-27 | Toppan Printing Co Ltd | Printing ink composition having oxygen absorption capacity and oxygen absorbing laminate using the same |
| JP2006131242A (en) * | 2004-11-04 | 2006-05-25 | Toppan Printing Co Ltd | Oxygen-absorptive packaging mounting member and package mounted with it |
| JPWO2006016480A1 (en) * | 2004-08-10 | 2008-05-01 | Jsr株式会社 | Resin composition and molded product thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2961231B1 (en) * | 1998-09-07 | 1999-10-12 | 工業技術院長 | Method for producing oxygen scavenger |
| JP2000017096A (en) * | 1998-07-03 | 2000-01-18 | Achilles Corp | Thermoplastic resin foamed sheet having photocatalytic function |
-
2000
- 2000-02-16 JP JP2000037387A patent/JP4784953B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000017096A (en) * | 1998-07-03 | 2000-01-18 | Achilles Corp | Thermoplastic resin foamed sheet having photocatalytic function |
| JP2961231B1 (en) * | 1998-09-07 | 1999-10-12 | 工業技術院長 | Method for producing oxygen scavenger |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005079974A1 (en) * | 2004-02-23 | 2005-09-01 | Kuraray Co., Ltd. | Oxygen absorbent, method for producing same, and oxygen absorbing composition and packaging material using same |
| WO2005123248A1 (en) * | 2004-06-18 | 2005-12-29 | Kuraray Co., Ltd. | Oxygen-absorbing composition and packaging material |
| JPWO2005123248A1 (en) * | 2004-06-18 | 2008-04-10 | 株式会社クラレ | Oxygen-absorbing composition and packaging material |
| JPWO2006016480A1 (en) * | 2004-08-10 | 2008-05-01 | Jsr株式会社 | Resin composition and molded product thereof |
| JP5250976B2 (en) * | 2004-08-10 | 2013-07-31 | Ｊｓｒ株式会社 | Resin composition and molded product thereof |
| JP2006111649A (en) * | 2004-10-12 | 2006-04-27 | Toppan Printing Co Ltd | Printing ink composition having oxygen absorption capacity and oxygen absorbing laminate using the same |
| JP2006131242A (en) * | 2004-11-04 | 2006-05-25 | Toppan Printing Co Ltd | Oxygen-absorptive packaging mounting member and package mounted with it |
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| Publication number | Publication date |
|---|---|
| JP4784953B2 (en) | 2011-10-05 |
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