WO2008090150A2 - Zubereitungsform mit verzögerter freisetzungsrate für wasserlösliche und/oder wasserunlösliche stoffe - Google Patents
Zubereitungsform mit verzögerter freisetzungsrate für wasserlösliche und/oder wasserunlösliche stoffe Download PDFInfo
- Publication number
- WO2008090150A2 WO2008090150A2 PCT/EP2008/050702 EP2008050702W WO2008090150A2 WO 2008090150 A2 WO2008090150 A2 WO 2008090150A2 EP 2008050702 W EP2008050702 W EP 2008050702W WO 2008090150 A2 WO2008090150 A2 WO 2008090150A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- water
- substances
- preparation
- insoluble
- nutrients
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
- A01N25/10—Macromolecular compounds
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
- C05G3/44—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility for affecting solubility
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/40—Fertilisers incorporated into a matrix
Definitions
- the present invention relates to a sustained-release formulation for water-soluble and / or water-insoluble substances such as fertilizers and / or nutrients and / or protective substances for plants, animals and microorganisms in aquaculture, to processes for preparing these preparations and their use.
- Water-soluble fertilizers and / or nutrients and / or protective substances for aquaculture plants, animals and micro-organisms should, if possible, be available over a longer period of time at approximately equal concentrations to ensure optimal conditions for growth and health maintenance.
- a fertilizer with delayed fertilizer delivery which contains urea and other fertilizers in polyurethane foams.
- This fertilizer is suitable for use in terrestrial crops, since it can be released slowly on the existing moisture in the soil of the stored urea.
- This fertilizer is completely unsuitable for aquaculture, because under the influence of aqueous or flowing aqueous media because of the open-pore foam structure of the polymer, the fertilizer can be quickly dissolved out and a defined delaying fertilizer delivery does not occur.
- a plant growth medium particularly suitable for potted plants, known, which is also based on polyurethane foam as the supporting polymer and which is suitable as an earth substitute for plant breeding.
- the fertilizers are chemically bound to ion exchange resins, whereby the fertilizer ions of ion exchangers are slowly indicated under the influence of moisture in earthy systems.
- the invention has thus set itself the task of developing new formulations with a more sustained release rate for water-soluble and / or water-insoluble fertilizers and / or nutrients and / or protective substances for plants, animals and microorganisms in aquacultures, which are simple and inexpensive to produce and can each be modified so that they are used in aqueous, especially also flowing media such as aquaculture can. Release should take place in defined amounts over time and only for several days and weeks. It should also be noted that all materials used are environmentally friendly and harmless, trigger no side effects and may be easily disposed of or even recycled. Furthermore, water-insoluble and almost water-insoluble substances should also be provided if possible.
- the water-soluble and / or water-insoluble substances such as fertilizers and / or nutrients and / or protective substances individually or in the form of mixtures in finely divided form in a water-insoluble carrier, from which they only with greatly reduced speed, namely several days or weeks, removed or washed out.
- the carrier consists of an elastomer.
- the substances are used in aquaculture, i. released in standing or moving water within several days to several months, preferably between 4 days and 4 months.
- Highly reduced rate means that the release of the components contained in the same material but not bound in a carrier in a still body at 23 ° C is at least a factor of 2, preferably at least a factor of 4, more preferably at least by a factor of 10, is delayed.
- Suitable elastomers are, in particular, polymeric synthesis or natural rubbers and preferably silicone rubbers which, after crosslinking, become completely water-insoluble. After the leaching of the stored substances, these carriers can be disposed of or recycled in an environmentally friendly manner.
- silicate modifying components surprisingly allow the slow escape of practically water-insoluble substances, but not the water-insoluble carrier.
- the finely divided form of the substances arises, for example, during production by crystallization or by mechanical grinding.
- silicatic modifying components such as amorphous or crystalline silicic acids, metal silicates, molecular sieves and / or sheet silicates.
- the silicate modifier components are used to control the release of the fertilizers and / or nutrients and / or protective substances, as well as the trace elements contained. Supplements of calcium carbonate, barium sulfate, calcium sulfate, silicon dioxide and non-crystalline silicas and mixtures thereof act predominantly as diluents.
- the preparations can also be added effect enhancer or effect mediator.
- Wetting agents and chelating agents are particularly suitable for this purpose. Examples include EDTA, HEEDTA, DTPA, NTA and their salts and polydentate substances.
- the water-soluble fertilizers and nutrients used according to the invention include first the salts of the elements of the first and second main group and of various subgroups of the periodic system, namely sodium, potassium, calcium and magnesium, iron, manganese, zinc, copper, nickel, cobalt, molybdenum, tin, Boron, vanadium. Continue to count this also includes the ammonium salts with the inorganic and organic anions such as chloride, sulfate, nitrate, phosphate, borate, molybdate, fluoride, iodide, vanadate, stannate, acetate, citrate, gluconate, maleate, adipate, some oxides and hydroxides and urea.
- the inorganic and organic anions such as chloride, sulfate, nitrate, phosphate, borate, molybdate, fluoride, iodide, vanadate, stannate, acetate, citrate, gluconate, maleate,
- Organic fertilizers or organic nutrients are also suitable.
- active substances for plant and animal protection such as disinfectants (eg malachite green oxalate, crystal violet and methylene blue), or antiparasitic agents (eg metronidazole, flubendazole and mebendazole), as individual substances or also can be introduced into polymeric carriers in combination and / or in combination with plant fertilizers, from which they are released over a prolonged period when in contact with aqueous or flowing aqueous systems.
- disinfectants eg malachite green oxalate, crystal violet and methylene blue
- antiparasitic agents eg metronidazole, flubendazole and mebendazole
- the preparations and the release rates can be further modified by chemically inactive and non-toxic plasticizers such as silicone oils, paraffinic oils, phthalates and / or adipates of glycol or glycerol and fatty acid esters.
- chemically inactive and non-toxic plasticizers such as silicone oils, paraffinic oils, phthalates and / or adipates of glycol or glycerol and fatty acid esters.
- the preparations contain the fertilizers and / or nutrients in amounts of from 0.1 to 60% by weight, preferably in amounts of from 1 to 50% by weight.
- the effect enhancers or action mediators are preferably present only in amounts of from 0.1 to 10% by weight, in particular in amounts of from 0.5 to 5% by weight.
- Typical amounts of silicate modifier components are up to 30% by weight.
- plasticizers are contained, their amounts are from 1 to 30% by weight, in particular from 3 to 25% by weight. Preferably, less than 1 wt .-% plasticizer is included. Typical compositions are thus (in parts):
- the finished preparations are preferably formulated and are used in the form of tablets, granules, flakes or extrudates.
- the preparations may also be present in defined geometric shapes, such as cubes, cylinders, octahedrons, spheres.
- the process for preparing the preparation comprises mixing the water-soluble and / or water-insoluble substances with a polymerizable or crosslinkable polymer, which is then crosslinked by high-energy radiation, wherein the resulting carrier is an elastomer.
- the preparation of the new formulations is preferably carried out by either bringing the materials together with the silicate modifying components and then attaching them to or incorporating them and then mixing them with the organic carrier or mixing them directly as a mixture with the organic carrier.
- This polymerization is preferably carried out by catalysts and / or crosslinking agents. she but can also be done by high-energy rays, in particular by alpha or beta rays.
- radiation doses of 10 to 200 kGy can be used.
- preparation forms are usually made up into tablets, granules, flakes or extrudates, this preparation can also be carried out with intermediates that are not sufficiently cross-linked. The then necessary further polymerization or crosslinking can then also take place in the already finished products.
- inventively achieved delays in the release of the individual fertilizers and / or nutrients and / or protective substances can be determined in the usual way. Accordingly, if necessary, the composition and the preparation can be modified so that the desired properties are achieved quite accurately for the respective field of application.
- the spent, leached by the water products consist of water-insoluble polymers. These can be easily separated from the aqua system and either disposed of or recycled.
- the invention further relates to the use of a sustained release formulation with a
- water-insoluble carrier which is in the form of an energetically crosslinked elastomer
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Organic Chemistry (AREA)
- Zoology (AREA)
- General Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Insects & Arthropods (AREA)
- Toxicology (AREA)
- Environmental Sciences (AREA)
- Dentistry (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Birds (AREA)
- Wood Science & Technology (AREA)
- Plant Pathology (AREA)
- Food Science & Technology (AREA)
- Agronomy & Crop Science (AREA)
- Fertilizers (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Cultivation Of Seaweed (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009546740A JP2010517898A (ja) | 2007-01-22 | 2008-01-22 | 水溶性及び/又は水不溶性物質のための持続放出率の投与形態 |
US12/448,939 US20100075851A1 (en) | 2007-01-22 | 2008-01-22 | Dosage form with sustained release rate for water-soluble and/or water-insoluble substances |
EP08708067A EP2114842A2 (de) | 2007-01-22 | 2008-01-22 | Zubereitungsform mit verzögerter freisetzungsrate für wasserlösliche und/oder wasserunlösliche stoffe |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07100929A EP1947073A1 (de) | 2007-01-22 | 2007-01-22 | Zubreitungsform mit verzögerter Freisetzungsrate für wasserlösliche und/oder wasserunlösliche Stoffe |
EP07100929.4 | 2007-01-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2008090150A2 true WO2008090150A2 (de) | 2008-07-31 |
WO2008090150A3 WO2008090150A3 (de) | 2009-04-09 |
Family
ID=38566835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/050702 WO2008090150A2 (de) | 2007-01-22 | 2008-01-22 | Zubereitungsform mit verzögerter freisetzungsrate für wasserlösliche und/oder wasserunlösliche stoffe |
Country Status (7)
Country | Link |
---|---|
US (1) | US20100075851A1 (de) |
EP (2) | EP1947073A1 (de) |
JP (1) | JP2010517898A (de) |
CN (1) | CN101605742A (de) |
DE (1) | DE202008018323U1 (de) |
RU (1) | RU2009131702A (de) |
WO (1) | WO2008090150A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013041997A1 (en) | 2011-09-21 | 2013-03-28 | Sasol Technology (Proprietary) Limited | Process for preparing a cobalt - containing fischer tropsch catalyst |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101485578B1 (ko) * | 2013-05-24 | 2015-01-21 | 주식회사 리더스케미컬 | 지효성을 갖는 매트릭스형 입상복합비료의 제조방법 및 이로부터 얻은 매트릭스형 입상복합비료 |
CN103342910B (zh) * | 2013-06-14 | 2015-11-25 | 湖北富邦科技股份有限公司 | 可降解光固化包膜材料及其在包膜缓/控释肥料中的应用 |
CN110818476A (zh) * | 2018-07-23 | 2020-02-21 | 钟起玲 | 微纳米多孔硅铝材料复合包膜缓/控释肥及其制备方法 |
CN115443901B (zh) * | 2022-09-23 | 2023-12-01 | 海南大学 | 一种卵叶喜盐草的繁育方法及海草床的修复方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4012221A (en) * | 1975-05-13 | 1977-03-15 | International Copper Research Association Inc. | Slow release copper toxicant compositions |
GB2080687A (en) * | 1980-07-24 | 1982-02-10 | Environmental Chemicals Inc | Controlled release of active compounds from a polymer-based dispenser |
US4851216A (en) * | 1984-12-18 | 1989-07-25 | Dow Corning Corporation | Hydrophilic silicone-organic copolymer elastomers |
EP0976779A2 (de) * | 1998-07-31 | 2000-02-02 | Bayer Aktiengesellschaft | Kautschuk-Polymerisate mit einem hohen Gelgehalt und einem hohen Quellgrad |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59106237A (ja) * | 1982-12-07 | 1984-06-19 | 三菱化学株式会社 | 水中施用容器 |
EP0122010B1 (de) * | 1983-03-07 | 1988-11-02 | Metropolitan Mosquito Control District | Befreiungsmittel mit zeitlicher Freigabe zur Befreiung der Wirkstoffe zu räumlich getrennten Geländelagen und dadurch umfasste Zusammensetzungen |
CA1257727A (en) * | 1984-12-18 | 1989-07-18 | Chi-Long Lee | Hydrophilic silicone-organic copolymer elastomers |
US5567221A (en) * | 1995-01-03 | 1996-10-22 | Oms Investments, Inc. | Compositions and methods for use in aquaculture |
JPH09275845A (ja) * | 1996-04-19 | 1997-10-28 | Shibata Ind Co Ltd | 淡水生物の繁殖用構造体 |
US5876990A (en) * | 1996-10-22 | 1999-03-02 | Reddy; Malireddy S. | Biochemical media system for reducing pollution |
DK1406590T3 (da) * | 2001-07-19 | 2005-08-22 | Veritas Ag | Fremgangsmåde til fremstilling af genstande af polymermaterialer med medikamentel depotvirkning |
DE20118256U1 (de) * | 2001-11-09 | 2002-04-04 | Pfleiderer Infrastrukturtechnik GmbH & Co. KG, 92318 Neumarkt | Düngemittelspeicher |
DE10157350A1 (de) * | 2001-11-22 | 2003-05-28 | Stockhausen Chem Fab Gmbh | Herstellung von Wirkstoffzusammensetzung durch Extrudieren von wasserabsorbierenden Polymeren |
US20060081028A1 (en) * | 2004-10-20 | 2006-04-20 | Hammons Bob G | Water soluble fertilizer having chelated micronutrients for use in fish ponds |
-
2007
- 2007-01-22 EP EP07100929A patent/EP1947073A1/de not_active Withdrawn
-
2008
- 2008-01-22 CN CNA2008800028851A patent/CN101605742A/zh active Pending
- 2008-01-22 EP EP08708067A patent/EP2114842A2/de not_active Withdrawn
- 2008-01-22 US US12/448,939 patent/US20100075851A1/en not_active Abandoned
- 2008-01-22 JP JP2009546740A patent/JP2010517898A/ja active Pending
- 2008-01-22 WO PCT/EP2008/050702 patent/WO2008090150A2/de active Application Filing
- 2008-01-22 RU RU2009131702/21A patent/RU2009131702A/ru not_active Application Discontinuation
- 2008-01-22 DE DE202008018323U patent/DE202008018323U1/de not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4012221A (en) * | 1975-05-13 | 1977-03-15 | International Copper Research Association Inc. | Slow release copper toxicant compositions |
GB2080687A (en) * | 1980-07-24 | 1982-02-10 | Environmental Chemicals Inc | Controlled release of active compounds from a polymer-based dispenser |
US4851216A (en) * | 1984-12-18 | 1989-07-25 | Dow Corning Corporation | Hydrophilic silicone-organic copolymer elastomers |
EP0976779A2 (de) * | 1998-07-31 | 2000-02-02 | Bayer Aktiengesellschaft | Kautschuk-Polymerisate mit einem hohen Gelgehalt und einem hohen Quellgrad |
Non-Patent Citations (2)
Title |
---|
GHAZALI Z ET AL: "Radiation crosslinked thermoplastics natural rubber (TPNR) foams" RADIATION PHYSICS AND CHEMISTRY, ELSEVIER SCIENCE PUBLISHERS BV., AMSTERDAM, NL, Bd. 55, Nr. 1, 1. Juni 1999 (1999-06-01), Seiten 73-79, XP004162485 ISSN: 0969-806X * |
MASHAK ET AL: "In vitro progesterone release from gamma-irradiated cross-linked polydimethylsiloxane" RADIATION PHYSICS AND CHEMISTRY, ELSEVIER SCIENCE PUBLISHERS BV., AMSTERDAM, NL, Bd. 75, Nr. 2, 1. Februar 2006 (2006-02-01), Seiten 229-235, XP005174953 ISSN: 0969-806X * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013041997A1 (en) | 2011-09-21 | 2013-03-28 | Sasol Technology (Proprietary) Limited | Process for preparing a cobalt - containing fischer tropsch catalyst |
US9248435B2 (en) | 2011-09-21 | 2016-02-02 | Sasol Technology (Proprietary) Limited | Process for preparing a cobalt-containing fischer tropsch catalyst |
Also Published As
Publication number | Publication date |
---|---|
US20100075851A1 (en) | 2010-03-25 |
JP2010517898A (ja) | 2010-05-27 |
EP2114842A2 (de) | 2009-11-11 |
WO2008090150A3 (de) | 2009-04-09 |
DE202008018323U1 (de) | 2012-12-05 |
CN101605742A (zh) | 2009-12-16 |
RU2009131702A (ru) | 2011-02-27 |
EP1947073A1 (de) | 2008-07-23 |
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