KR20060003223A - Agricultural formula floating on the surface of water - Google Patents

Abstract

The present invention relates to a new floating diffusion agent that is applied to the surface and releases and diffuses a bioactive substance while floating and moving along the surface. And a binder component that combines the two components.

When the floating diffusion agent according to the present invention is applied to arable land, the preparation can be suspended evenly on the surface or just above or just below the surface, and the bioactive material can be diffused quickly and uniformly, thereby greatly reducing the demand for labor according to the application of pesticides. do.

Pesticides, Throwings, Telegrams, Floating, Spreading

Description

Agricultural Formula Floating on the Surface of Water             

1 is a product photograph of the diffusion agent according to the present invention.

Figure 2 is a photograph of the diffusion agent according to the present invention applied to the surface of the water.

The present invention relates to a new floating diffusion agent that is applied to the water to release and diffuse the bioactive substance while floating and moving along the surface.

Conventional pesticides are known as pesticides used in an environment in which a large amount of water such as paddy fields are present, such as granules, powders, emulsions, hydrating agents, liquids, aqueous solutions, and the like. Such formulations were generally spread either manually or automatically over the surface of the sleeping or crop cultivation area, but in recent years there has been an increasing demand to save labor due to the declining rural population and the aging population. In order to minimize the amount of the use of a pesticide formulation is required to improve.

According to this request, a pesticide formulation is developed so that a pesticide formulation can be spread by producing a large throw-in formulation and throwing it out locally, instead of dispersing the pesticide formulation into fine solid particles or fine liquid particles. It is becoming.

Such throwing preparations are largely ① large foamed tablets (Japanese Patent Laid-Open Publication No. Hei 6-107503) or disintegrating tablets (Korean Laid-Open Patent Publication No. 2003-26816) ② small foamed tablets packed in a water-soluble film pack (Japanese Patent Laid-Open Publication No. 5-). 339106) ③ Water-soluble carrier in a small pack in which the active ingredient-water-soluble film-forming polymer is packaged in a water-soluble film (Japanese Patent Laid-Open Publication No. Hei 5-78207, Korean Patent Registration No. 208745). Formulation (Japanese Patent Laid-Open No. H6-336403, Korean Laid-Open Patent No. 1999-72795) ⑤ Oil-based formulation packaged in a water-soluble small pack (Japanese Laid-Open Patent Publication No. H5-339103) ⑥ Floating formulation having a multilayer structure (Korea Patent Publication No. 2000-76729) ⑦ Coated non-floating type medium-large size granules (Korea Patent No. 313133) ⑧ Coating or non-coating floating granules by adsorbing an active substance on a floating carrier (Japanese Patent Publication No. 55-154902, Japanese Patent Publication No. 48-1181) It can be classified as.

Such throwing preparations are usually very high in the amount of pesticides used as active ingredients and are thrown at considerable intervals on the surface or in water of the arable land, so that if the active ingredient does not diffuse quickly and uniformly at the point of injection, or if the preparation itself is not floating, it is uneven. Biological activity is likely to occur, and in some cases damage to crops may occur.                         

In addition, the throwing formulation has a disadvantage that its manufacturing process is very complicated and economical. For example, the floating formulation having a multi-layered structure (Korean Patent Laid-Open Publication No. 2000-76729) may be dried by mixing (A) a solid core material and a water-soluble polymer in a predetermined condition, and (B) drying the mixture into a bioactive compound, a dialkyl sulfide. It is prepared through a complex process of coating the succinate salt, surfactant, fatty acid ester and the like in sequence.

The present invention is more economical and simple to manufacture, and provides a novel concept of a floating diffusion agent that can be spread evenly on the surface or just above or just below the surface of the water and the bioactive material can be spread quickly and uniformly when applied to arable land. For the purpose of

The present invention for achieving the object as described above is prepared by shaping and drying in a predetermined size and shape by mixing 100 parts by weight of the sleep-floating agent, 2-3 parts by weight of the binder and 0.1-100 parts by weight of the active material, specific gravity is It is related with the water-floating floating diffusion agent characterized by 0.5-1.5 g / cm <3>. The size and shape of the diffusing agent need not be particularly limited. However, it may be determined depending on the type of active substance and the diffusivity in water, the characteristics of the cropland, the type of crop, and the convenience of handling.

The sleeping suspension is a component that functions to float the diffusion agent according to the present invention on the surface, the sleeping suspension is charcoal powder or particles, cork powder or particles, wood powder, expanded perlite or calcined vesicles, etc. As such, natural ingredients. Preferably, charcoal powder or particles that are easy to obtain and handle are used.

The binder has a function of physically loosely binding the powdered or granular sleeping-emulsion itself and these and the active material, which can be decomposed in nature, festan, levan, xantham, pullulan, polysaccharide-7 , Cellulose, juglan, gellan, curdlan or any suitable mixture thereof can be used.

The active substance is an insecticide, herbicides, plant growth regulators, nematicides, fungicides, fungicides, rats, fumigants, animal and pest control agents, biopesticides, pheromones, sex attractants, flavors, fragrances, dietary supplements, drugs (drugs) ) Or a fertilizer component or a mixture thereof. The active substance may be applied in any shape as long as it can diffuse and come into contact with water. The content of the active substance in the diffusing agent according to the present invention may be appropriately selected depending on the type and specific activity of the active substance.

As pesticide components, specific names for pesticidal active ingredients, bactericidal active ingredients, herbicidal active ingredients, and plant growth active ingredients are well known in various materials in the art, and thus, examples thereof are omitted.

On the other hand, depending on the characteristics of the active material, it may be required to disperse (disintegrate) the dispersing agent according to the present invention after a predetermined time elapses and evenly disperse it in water or in water. Therefore, in order to impart disintegration to the dispersing agent may be further included 5 to 15% by weight of talc or bentonite.

On the other hand, when the diffusion agent according to the present invention is applied (throttled) to the surface of the water, there is a possibility that it is ubiquitous in this part of the arable land or attached to and fixed to the applied place or crop. In this case, the active substance is concentrated in a part of the arable land, which reduces the effectiveness of the active substance spreading and may cause some crops to be damaged. Therefore, in the present invention, it is possible to add 0.001 to 0.01 wt% of surfactant, mineral oil, vegetable oil or resin in order to increase the floating property of the diffusing agent and to impart repulsive force to the diffusing agent. For example, waxes, rosin, soybean oil, acrylamide or Triton-X can be used.

Hereinafter, the diffusion agent according to the present invention may be prepared according to the following procedure. First, a predetermined ratio of a sleeping flocculant, a binder, an active substance and a solvent are mixed. At this time, since the content of the binder or the active substance is very low as compared to the sleep suspension agent, it is preferable to mix them sequentially with a small amount of sleep suspension agent in advance, or to dissolve in a suitable solvent in advance and mix with the sleep suspension agent. The solvent may be appropriately selected from water, an organic solvent, a mixed solution of a solvent, and the like, depending on the polarity and stability of the active ingredient. In addition, since the solvent and water are components that are evaporated and removed during the manufacturing process, the amount of use thereof is not important, and thus the amount of solvent and water may be arbitrarily determined at a level suitable for the workability of the manufacturing process, but about 2 to 4 of the sleeping floc added for convenience It is preferable to use the amount of pear (by weight). The diffusing agent according to the present invention is prepared by molding a homogeneously mixed mixture into a mold (mould) of appropriate size and shape and then drying in an appropriate manner to remove the solvent or water.

Hereinafter, the present invention will be described in more detail with reference to Examples. These examples are only for illustrating the present invention in more detail, it will be apparent to those skilled in the art that the scope of the present invention is not limited by the examples according to the gist of the present invention.

Example  : According to the present invention Diffusion  Produce

50 g of charcoal powder having a particle diameter of 0.1-0.5 mm, 1.25 g of curdlan and 0.36 g of cyclosulfuran were evenly mixed with an active substance, and then 100 ml of pure water was added to prepare a mixture in the form of a dough. The mixture was injected into a cylindrical mold having a diameter of 1.3 cm and a depth of 0.8 cm to mold a cylindrical shape. The molded mixture was dried in an oven at 70-100 ° C. for 1 to 3 hours to prepare a prototyping agent according to the present invention.

1 is a photograph of the manufactured prototype, Figure 2 is a photograph showing the floating property when the produced prototype is applied to water.

 As described above, the floating diffusion agent according to the present invention may be economically and simply manufactured using a natural and inexpensive raw material. In addition, when the floating diffusion agent according to the present invention is applied to arable land, the preparation can be suspended evenly or directly above or just below the surface of the water, and the bioactive material can be spread quickly and uniformly, thereby greatly reducing the demand for labor according to the application of pesticides. Will be.

Claims (7)

100 parts by weight of the surface flocculant, 2 to 3 parts by weight of binder and 0.1 to 100 parts by weight of the active substance are mixed to form and dried in a predetermined size and shape, and have a specific gravity of 0.5 to 1.5 g / cm 3 Floating Diffusion Agents. The method of claim 1, The sleep floating agent is charcoal powder or particles, cork powder or particles, wood flour, expanded perlite, expanded pumice and foamed water, characterized in that the mixture floating one or more selected from the group consisting of calcined verbiculite. Formulation. The method of claim 1, The binder is sleeplan or chitosan, characterized in that the surface floating agent. The method of claim 1, The active substance is an insecticide, herbicides, plant growth regulators, nematicides, fungicides, fungicides, rats, fumigants, animal and pest control agents, biopesticides, pheromones, sex attractants, flavors, fragrances, dietary supplements, drugs (drugs) And a mixture of one or two or more selected from the group consisting of fertilizers. The method of claim 1, In order to impart disintegration to the dispersing agent, the surface-floating floating diffusion agent further comprises 5 to 15% by weight of talc or bentonite. The method of claim 1, In order to increase the floating and resilience of the diffusion agent, the surface-floating diffusion agent is characterized in that it further comprises 0.001 to 0.01% by weight of surfactant, mineral oil, vegetable oil or resin. The method of claim 6, The surfactant, mineral oil, vegetable oil or resin is rosin, wax, soybean oil, acrylamide or Triton-X, characterized in that the surface floating agent.

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