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JPS6226340B2 - - Google Patents
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JPS6226340B2 - - Google Patents

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Publication number
JPS6226340B2
JPS6226340B2 JP54171717A JP17171779A JPS6226340B2 JP S6226340 B2 JPS6226340 B2 JP S6226340B2 JP 54171717 A JP54171717 A JP 54171717A JP 17171779 A JP17171779 A JP 17171779A JP S6226340 B2 JPS6226340 B2 JP S6226340B2
Authority
JP
Japan
Prior art keywords
algae
vinyl chloride
weight
parts
chloride resin
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.)
Expired
Application number
JP54171717A
Other languages
Japanese (ja)
Other versions
JPS5693742A (en
Inventor
Masahiro Yamanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Kasei Vinyl Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Kasei Vinyl Co filed Critical Mitsubishi Kasei Vinyl Co
Priority to JP17171779A priority Critical patent/JPS5693742A/en
Publication of JPS5693742A publication Critical patent/JPS5693742A/en
Publication of JPS6226340B2 publication Critical patent/JPS6226340B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)
  • Protection Of Plants (AREA)
  • Farming Of Fish And Shellfish (AREA)

Description

【発明の詳細な説明】[Detailed description of the invention]

本発明は塩化ビニル系樹脂組成物に係わり、更
に詳しくは藻類の発生防止あるいは駆除効果に優
れた農業用あるいは養魚用塩化ビニルフイルム成
型用の塩化ビニル系樹脂組成物に関する。 近年、施設園芸の拡大にともない、施設面積が
増加しハウス内で栽培する作物の種類も増加して
いる。農業用以外の用途、たとえば養魚用にも塩
化ビニルフイルムが使用されることが多くなつて
きた。しかしてこれら塩化ビニルフイルムが使わ
れる環境が多様化してきたため、ハウス内の環境
条件が比較的、高温多湿で使用されることも多く
なり従つて塩化ビニルフイルムを展張してあるハ
ウス内面に藻類が繁茂し、太陽光線の透過を害す
る外、フイルムの機械的強度を低下させる事例も
多くなつてきた。 一般的に藻類は地表水中に棲む顕微鏡的大きさ
の生物で、葉緑素を有しているので光合成能力を
もち、粘着性の物質でおおわれていることが多い
のでフイルム上の藻の発生を物理的、機械的に防
止したり、発生したものを除去するのは困難であ
る。 従来藻類が発生したフイルムは物理的にこすり
とるか、乾燥させて自然に剥れ落ちるのを待つ方
法しかないのであるが、大型の施設ハウス等で
は、いずれの方法も作業が困難であり、化学薬品
で殺藻しようとして銅イオンを含む殺藻剤を使用
すれば、藻類を殺すことは可能であるが、死んだ
藻をフイルム上より取り除く作業は必要であり、
かつ銅イオンの殺藻効果の持続性はそう永くは期
待できない。 本発明はかかる現状に鑑み、藻類の発生防止あ
るいは駆除に持続的効果を有する塩化ビニル系樹
脂組成物を鋭意研究の結果、カビ類等に効果のあ
る殺菌剤は下等植物である藻類には効果がないと
いう一般常識に反し、殺菌剤のなかでも或る特定
の構造式を有する殺菌剤が、意外にも下等植物で
ある藻類に対し殺藻性にすぐれ且つ塩化ビニル系
樹脂とも相溶性があり、効果の持続性にもすぐれ
ていることを知り、本発明を完成したもので、本
発明の要旨は、塩化ビニル系樹脂100重量部あた
り、下記一般式(1)で示される (但し式中、Rはアルキル基またはハロゲン化ア
ルキル基を示す。)フタルイミド系化合物、かま
たは下記一般式(2)で示される (但し式中、Rはアルキル基またはハロゲン化ア
ルキル基を示す。)テトラヒドロフタルイミド系
化合物を、0.5〜3.0重量部、配合してなる防藻性
塩化ビニル系樹脂組成物に存する。 本発明を理解し易くするため、以下詳細に説明
する。 本発明で用いる塩化ビニル系樹脂としては、塩
化ビニルの単独重合体の外に、塩化ビニルと酢酸
ビニルとの共重合体、塩化ビニルと塩化ビニリデ
ンとの共重合体等があげられこれらを単独または
2種以上併用して用いることができる。 本発明で用いる防藻効果のある殺菌剤として特
定の構造式を有するフタルイミド系化合物又はテ
トラヒドロフタルイミド系化合物としては、一般
に殺菌剤として知られている。キヤプタン水和
剤、ダイホルタン水和剤、フオルペツト水和剤等
の名称で知られているフタルイミド系の化合物で
あつて、前記一般式(1)または(2)で示されるフタル
イミド系化合物としては下記のような構造の化合
物があげられる。 例えば一般式(1)で示される化合物の例としては のような化合物であり、また一般式(2)で示される
化合物の例としては などがあげられる。 本発明において前記したフタルイミド系化合物
の配合使用量としては塩化ビニル系樹脂100重量
部あたり0.05〜3.0重量部、この範囲のフタルイ
ミド系化合物を配合使用することによつて藻類の
発生防止あるいは駆除に優れた効果が得られる。 フタルイミド系化合物の配合量が0.05重量部以
下では、藻類の発生防止あるいは駆除効果が少な
く、3.0重量部を超えると藻類の発生防止あるい
は駆除効果上は好ましいがフイルム表面への噴出
しが著しくなるなどの悪影響がでてくるので好ま
しくない。 本発明の藻類の発生防止あるいは駆除効果の優
れた塩化ビニル系樹脂組成物を得るには、通常行
なわれる手段、即ちブレンダー、バンバリーミキ
サー、カレンダーロール等通常知られている配合
機、加工機を用い、例えば重合度1400の塩化ビニ
ル樹脂100重量部に対し、前記フタルイミド系化
合物の必要量とまた所望の目的に応じた分量の可
塑剤やその他の安定用助剤等を適宜量配合するこ
とにより容易に得ることができる。 本発明においては同時に配合される他の安定剤
等たとえば耐熱性安定剤の効果を損うこともな
く、一般的によく知られている紫外線吸収剤を同
時に用いた場合には、藻類の発生防止あるいは駆
除効果の持続性が更に向上するので好ましい。 <フイルムの防藻性評価法> 防藻果の持続性はビニルフイルムで被覆した養
魚用のハウスのサイド部に15cm角の穴をあけ、20
cm角の試験片フイルムを両面テープではりつけ、
藻の発生状況を調べ、1〜5の下記5段階の評価
点で試験成績を示す。(実施例中の評価はこの評
価点による。) 評価点は目視法で以下のとおり決める 1 サンプル表面に藻類の発生がない。 2 サンプル表面積の10%以下藻類が発生 3 サンプル表面積の10%を超え30%以下藻類が
発生 4 サンプル表面積の30%を超え60%以下藻類が
発生 5 サンプル表面積の60%を超える藻類が発生 実施例 1 塩化ビニル樹脂(=1100)100重量部に対
し、ジオクチルフタレート40重量部、エポキシ化
大豆油3.0重量部Ba−Zn系複合液状安定剤1.5重量
部、ステアリン酸バリウム0.2重量部、ステアリ
ン酸亜鉛0.4重量部、エチレンビスステアリン酸
アミド0.2重量部、ソルビタンモノパルミテート
1.5重量部を基本配合とし、これに前記したフタ
ルイミド系化合物として、(1−1)(1−2)並
びに(2−3)に例示した化合物だけを添加した
ものと、紫外線吸収剤(ベンゾフエノン系、ベン
ゾトリアゾール系等)を併用添加、ドライフレン
ドしたものについて常法により170℃のミルロー
ルで5分間混練後、厚さ0.1m/mのフイルムを
作成し前記藻類の発生試験に供した。 結果を下記表−1に示す。
The present invention relates to a vinyl chloride resin composition, and more particularly to a vinyl chloride resin composition for molding a vinyl chloride film for agriculture or fish farming, which has an excellent algae growth prevention or extermination effect. In recent years, with the expansion of greenhouse horticulture, the area of facilities has increased and the types of crops grown in greenhouses have also increased. Vinyl chloride film is increasingly being used for purposes other than agriculture, such as fish farming. However, as the environments in which these vinyl chloride films are used have become more diverse, the environmental conditions inside greenhouses are often relatively hot and humid, and as a result, algae are growing on the inner surfaces of greenhouses where vinyl chloride films are spread. Not only do they grow thickly and impair the penetration of sunlight, but there are also many cases where they reduce the mechanical strength of films. In general, algae are microscopic organisms that live in surface water, and because they contain chlorophyll, they have the ability to photosynthesize, and because they are often covered with a sticky substance, it is difficult to physically prevent the growth of algae on the film. , it is difficult to prevent it mechanically or remove it once it occurs. Conventionally, the only way to remove algae-grown film is to physically scrape it off or let it dry and wait for it to fall off naturally, but in large facility greenhouses, either method is difficult to work with, and chemical If you try to kill algae with chemicals and use an algaecide containing copper ions, it is possible to kill the algae, but it is necessary to remove the dead algae from the film.
Moreover, the sustainability of the algicidal effect of copper ions cannot be expected for a long time. In view of the current situation, the present invention has conducted extensive research on vinyl chloride resin compositions that have a lasting effect on preventing or exterminating algae. Contrary to the common sense that it is ineffective, among fungicides, a fungicide with a specific structural formula surprisingly has excellent algicidal properties against algae, which are lower plants, and is also compatible with vinyl chloride resins. The present invention was completed based on the knowledge that the polyvinyl chloride resin has excellent long-lasting effects. (However, in the formula, R represents an alkyl group or a halogenated alkyl group.) A phthalimide compound, or a compound represented by the following general formula (2) (However, in the formula, R represents an alkyl group or a halogenated alkyl group.) The algae-proofing vinyl chloride resin composition contains 0.5 to 3.0 parts by weight of a tetrahydrophthalimide compound. In order to facilitate understanding of the present invention, the present invention will be described in detail below. In addition to vinyl chloride homopolymers, the vinyl chloride resin used in the present invention includes copolymers of vinyl chloride and vinyl acetate, copolymers of vinyl chloride and vinylidene chloride, etc. Two or more types can be used in combination. A phthalimide compound or a tetrahydrophthalimide compound having a specific structural formula as a fungicide having an antialgal effect used in the present invention is generally known as a fungicide. The phthalimide compounds represented by the general formula (1) or (2) are as follows: Examples include compounds with the following structure. For example, as an example of a compound represented by general formula (1), An example of a compound represented by general formula (2) is etc. In the present invention, the amount of the phthalimide compound used is 0.05 to 3.0 parts by weight per 100 parts by weight of the vinyl chloride resin, and by blending and using the phthalimide compound in this range, it is excellent in preventing or exterminating algae. You can get the same effect. If the amount of the phthalimide compound is less than 0.05 parts by weight, the effect of preventing or exterminating algae will be low, and if it exceeds 3.0 parts by weight, it will be effective in preventing or exterminating algae, but the amount of phthalimide compounds will become significant, such as spraying onto the film surface. This is not desirable as it may cause negative effects. In order to obtain the vinyl chloride resin composition of the present invention which has an excellent effect of preventing or exterminating the growth of algae, a conventional method is used, that is, a blender, a Banbury mixer, a calender roll, or any other commonly known compounding machine or processing machine is used. , for example, by adding the necessary amount of the phthalimide compound and appropriate amounts of plasticizers and other stabilizing aids depending on the desired purpose to 100 parts by weight of vinyl chloride resin with a degree of polymerization of 1400. can be obtained. In the present invention, the effect of other stabilizers, such as heat-resistant stabilizers, which are blended at the same time is not impaired, and when a generally well-known ultraviolet absorber is used at the same time, it is possible to prevent the growth of algae. Alternatively, it is preferable because the sustainability of the exterminating effect is further improved. <Method for evaluating algae-proofing properties of film> The sustainability of algae-proofing fruit is evaluated by making a 15cm square hole in the side of a fish culture house covered with vinyl film.
Attach a cm square test piece film with double-sided tape.
The status of algae growth is investigated, and the test results are shown on the following 5-grade evaluation scale of 1 to 5. (Evaluations in Examples are based on these evaluation points.) Evaluation points are determined by visual inspection as follows: 1. There is no growth of algae on the sample surface. 2 Algae occur on less than 10% of the sample surface area 3 Algae occur on more than 10% and less than 30% of the sample surface area 4 Algae occur on more than 30% and less than 60% of the sample surface area 5 Algae occur on more than 60% of the sample surface area Example 1 100 parts by weight of vinyl chloride resin (=1100), 40 parts by weight of dioctyl phthalate, 3.0 parts by weight of epoxidized soybean oil, 1.5 parts by weight of Ba-Zn composite liquid stabilizer, 0.2 parts by weight of barium stearate, zinc stearate 0.4 parts by weight, 0.2 parts by weight of ethylene bisstearamide, sorbitan monopalmitate
The basic composition is 1.5 parts by weight, and to this is added only the compounds exemplified in (1-1), (1-2), and (2-3) as the phthalimide compounds mentioned above, and an ultraviolet absorber (benzophenone type). , benzotriazole, etc.) and dry friend were kneaded for 5 minutes using a mill roll at 170° C. in a conventional manner, and then a film with a thickness of 0.1 m/m was prepared and subjected to the above-mentioned algae growth test. The results are shown in Table 1 below.

【表】 表中、実験No.11でえられたフイルムは透明性が
極度に悪くなり、また表面への噴出しがはげしい
ので農業用又は養魚用としての使用は困難であ
る。 No.1からNo.10までのフイルムはいずれも透明
性、表面への噴出しは良好であつた。 なお表1の実験で用いた紫外線吸収剤は一般に
市販されている汎用のものでシーソーブ102(商
品名)はベンゾフエノン系であり、チヌビン−P
(商品名)はベンゾトリアゾール系である。 上記、表1から明らかなように本発明になるフ
タルイミド系化合物を配合した組成物よりつくら
れたフイルムは防藻効果の持続性にすぐれている
ことが分り、農業用あるいは養魚用、特に多湿環
境になる養鰻のためのビニルハウス用展張フイル
ムとして最適であり、その利用価値は大である。
[Table] In the table, the film obtained in Experiment No. 11 had extremely poor transparency and was difficult to use for agricultural or fish farming purposes because of the strong spatter on the surface. All films from No. 1 to No. 10 had good transparency and good spraying onto the surface. The ultraviolet absorbers used in the experiments shown in Table 1 are commercially available general-purpose ones, SeaSorb 102 (trade name) is a benzophenone type, and Tinuvin-P
(Product name) is a benzotriazole type. As is clear from Table 1 above, it was found that the film made from the composition containing the phthalimide compound of the present invention has an excellent long-lasting anti-algae effect, and is suitable for use in agriculture or fish farming, especially in humid environments. It is ideal as a stretched film for vinyl greenhouses for eel farming, and its utility value is great.

Claims (1)

【特許請求の範囲】 1 塩化ビニル系樹脂100重量部あたり、下記一
般式(1)で示される (但し式中、Rはアルキル基、またはハロゲン化
アルキル基を示す)フタルイミド系化合物かまた
は下記一般式(2)で示される (但し式中、Rはアルキル基、またはハロゲン化
アルキル基を示す)テトラヒドロフタルイミド系
化合物を、0.05〜3.0重量部、配合してなること
を特徴とする防藻性塩化ビニル系樹脂組成物。
[Claims] 1 Per 100 parts by weight of vinyl chloride resin, represented by the following general formula (1) (However, in the formula, R represents an alkyl group or a halogenated alkyl group) or a phthalimide compound represented by the following general formula (2) An anti-algae vinyl chloride resin composition comprising 0.05 to 3.0 parts by weight of a tetrahydrophthalimide compound (wherein R represents an alkyl group or a halogenated alkyl group).
JP17171779A 1979-12-27 1979-12-27 Alga-resisting vinyl chloride resin composition Granted JPS5693742A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17171779A JPS5693742A (en) 1979-12-27 1979-12-27 Alga-resisting vinyl chloride resin composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17171779A JPS5693742A (en) 1979-12-27 1979-12-27 Alga-resisting vinyl chloride resin composition

Publications (2)

Publication Number Publication Date
JPS5693742A JPS5693742A (en) 1981-07-29
JPS6226340B2 true JPS6226340B2 (en) 1987-06-08

Family

ID=15928361

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17171779A Granted JPS5693742A (en) 1979-12-27 1979-12-27 Alga-resisting vinyl chloride resin composition

Country Status (1)

Country Link
JP (1) JPS5693742A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5140455A (en) 1989-11-29 1992-08-18 Donnelly Corporation High performance electrochemichromic solutions and devices thereof
US5142407A (en) * 1989-12-22 1992-08-25 Donnelly Corporation Method of reducing leakage current in electrochemichromic solutions and solutions based thereon
US5145609A (en) * 1990-11-07 1992-09-08 Donnelly Corporation Linear polyether-containing electrochemichromic solutions and related devices
US5233461A (en) * 1991-09-06 1993-08-03 Donnelly Corporation Methods for sealing electrochromic devices and devices manufactured thereby
US5239405A (en) * 1991-09-06 1993-08-24 Donnelly Corporation Electrochemichromic solutions, processes for preparing and using the same, and devices manufactured with the same
CN106800623B (en) * 2017-03-01 2018-11-27 苏州瑞科四通新材料有限公司 A kind of anti-algae composite membrane of anionic

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6016987B2 (en) * 1976-08-06 1985-04-30 堺化学工業株式会社 Antirust pigment composition

Also Published As

Publication number Publication date
JPS5693742A (en) 1981-07-29

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