DE69924791D1 - Verfahren zur Herstellung einer symmetrischen Polyharnstoffurethan Düngemittelumhüllung - Google Patents

Verfahren zur Herstellung einer symmetrischen Polyharnstoffurethan Düngemittelumhüllung

Info

Publication number
DE69924791D1
DE69924791D1 DE69924791T DE69924791T DE69924791D1 DE 69924791 D1 DE69924791 D1 DE 69924791D1 DE 69924791 T DE69924791 T DE 69924791T DE 69924791 T DE69924791 T DE 69924791T DE 69924791 D1 DE69924791 D1 DE 69924791D1
Authority
DE
Germany
Prior art keywords
symmetrical
polyurea
urethane
compounds
processes
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 - Fee Related
Application number
DE69924791T
Other languages
English (en)
Other versions
DE69924791T2 (de
Inventor
Peter H Markusch
James W Rosthauser
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.)
Bayer AG
Bayer Corp
Original Assignee
Bayer AG
Bayer Corp
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 Bayer AG, Bayer Corp filed Critical Bayer AG
Publication of DE69924791D1 publication Critical patent/DE69924791D1/de
Application granted granted Critical
Publication of DE69924791T2 publication Critical patent/DE69924791T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C05G5/30—Layered or coated, e.g. dust-preventing coatings
    • C05G5/37—Layered or coated, e.g. dust-preventing coatings layered or coated with a polymer
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3271—Hydroxyamines
    • C08G18/3275—Hydroxyamines containing two hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/80—Masked polyisocyanates
    • C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
    • C08G18/8009—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
    • C08G18/8012—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203 with diols
    • C08G18/8019—Masked aromatic polyisocyanates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2310/00—Agricultural use or equipment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Fertilizers (AREA)
  • Polyurethanes Or Polyureas (AREA)
DE69924791T 1998-07-23 1999-07-12 Verfahren zur Herstellung einer symmetrischen Polyharnstoffurethan Düngemittelumhüllung Expired - Fee Related DE69924791T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US121482 1987-11-17
US09/121,482 US6165550A (en) 1998-07-23 1998-07-23 Symmetrical Polyurea-urethane fertilizer encapsulation

Publications (2)

Publication Number Publication Date
DE69924791D1 true DE69924791D1 (de) 2005-05-25
DE69924791T2 DE69924791T2 (de) 2006-03-09

Family

ID=22397000

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69924791T Expired - Fee Related DE69924791T2 (de) 1998-07-23 1999-07-12 Verfahren zur Herstellung einer symmetrischen Polyharnstoffurethan Düngemittelumhüllung

Country Status (7)

Country Link
US (1) US6165550A (de)
EP (1) EP0974568B1 (de)
AT (1) ATE293585T1 (de)
CA (1) CA2277513C (de)
DE (1) DE69924791T2 (de)
ES (1) ES2241213T3 (de)
IL (1) IL130988A (de)

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Publication number Priority date Publication date Assignee Title
US6364925B1 (en) * 1999-12-10 2002-04-02 Bayer Corporation Polyurethane encapsulated fertilizer having improved slow-release properties
US6358296B1 (en) * 2000-07-11 2002-03-19 Bayer Corporation Slow-release polyurethane encapsulated fertilizer using oleo polyols
AU2002243599A1 (en) 2001-01-22 2002-07-30 Unified Environmental Services Group Production and use of biosolid granules
DE10221704A1 (de) * 2001-06-05 2003-01-23 Compo Gmbh & Co Kg Düngemittel mit verzögerter Freisetzung und Verfahren zu dessen Herstellung
DE10158693A1 (de) 2001-11-29 2003-06-26 Ashland Suedchemie Kernfest Beschichtete körnige Stoffe
US20040039062A1 (en) * 2002-08-26 2004-02-26 Agri-Nutrients Technology Group, Inc. Urea, ruminally synthesizable mainly to microbial crude protein
US20050066697A1 (en) * 2003-09-30 2005-03-31 Cline Robert Lee Slow-release polyurethane(urea) encapsulated fertilizer
US20050158131A1 (en) * 2004-01-20 2005-07-21 Markusch Peter H. Geotextile/polyurethane composites based on blocked isocyanate compositions
US7682656B2 (en) * 2004-06-14 2010-03-23 Agruim Inc. Process and apparatus for producing a coated product
US20060116295A1 (en) 2004-11-29 2006-06-01 Dobson James W Jr Method of delaying the setting time of crosslinked lost circulation control pills
CN101068628B (zh) 2004-11-30 2012-04-25 爱禾瑞公司 在旋转辊筒中包覆控释产品的方法和装置
US8105413B2 (en) 2005-02-23 2012-01-31 Vitag Corporation Manufacturing of bioorganic-augmented high nitrogen-containing inorganic fertilizer
US8192519B2 (en) 2005-03-09 2012-06-05 Vitag Corporation Beneficiated, heat-dried biosolid pellets
EP1945596B8 (de) 2005-09-15 2015-11-04 Anuvia Plant Nutrients Holdings LLC Alkalisches verfahren für die umwandlung von organische substanzen enthaltendem schlamm in dünger
US9695092B2 (en) 2006-02-23 2017-07-04 Anuvia Plant Nutrients Corporation Process for treating sludge and manufacturing bioorganically-augmented high nitrogen-containing inorganic fertilizer
BRPI0807734B1 (pt) 2007-02-16 2021-07-06 Anuvia Plant Nutrients Holdings Llc Processo para tratar lama e fabricar fertilizante inorgânico contendo nitrogênio altamente enriquecido bioorganicamente
US7771505B2 (en) 2008-07-16 2010-08-10 Agrium Inc. Controlled release fertilizer composition
CN102781880B (zh) 2009-12-30 2015-10-14 艾纽维亚植物营养物有限公司 生物有机增强的高价值肥料
WO2012135317A2 (en) 2011-03-28 2012-10-04 Vitag Holdings Llc High value organic-enhanced inorganic fertilizers
KR20150013789A (ko) 2012-05-18 2015-02-05 바스프 에스이 캡슐화된 입자
BR112014028742A2 (pt) 2012-05-18 2017-06-27 Basf Se agregado de supressão de pó, método de formação de um agregado de supressão de pó, e, sistema para a produção de um agregado de supressão de pó.
RU2640885C2 (ru) 2012-11-16 2018-01-12 Басф Се Инкапсулированная частица удобрения, содержащая пестицид
WO2015167988A1 (en) * 2014-04-28 2015-11-05 Basf Se Method of forming an encapsulated fertilizer
DE102015004670A1 (de) * 2015-04-13 2016-10-13 Ask Chemicals Gmbh Beschichteter körniger Stoff
WO2016197119A1 (en) 2015-06-05 2016-12-08 Anuvia Plant Nutrients Holdigns Llc High value organic containing fertilizers and methods of manufacture
DE102017212104A1 (de) * 2017-07-14 2019-01-17 Eurochem Agro Gmbh Beschichtete harnstoffhaltige Düngemittelteilchen und Verfahren zu ihrer Herstellung
EP3581550A1 (de) 2018-06-13 2019-12-18 Pursell Agri-Tech, LLC Düngemittelbeschichtungsverfahren
US10870609B2 (en) 2018-08-16 2020-12-22 Anuvia Plant Nutrients Corporation Reactive inorganic coatings for agricultural fertilizers
MA50736B2 (fr) 2018-11-14 2021-12-31 Anuvia Plant Nutrients Holdings Llc Administration de molécules bioactives dans des enrobages ou des couches de surface d'engrais inorganiques organiquement améliorés
US11970429B2 (en) 2019-10-03 2024-04-30 Carbo Ceramics Inc. Core-shell composite particles and methods of making same

Family Cites Families (24)

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Publication number Priority date Publication date Assignee Title
US3475154A (en) * 1964-11-30 1969-10-28 Dainippon Toryo Kk Plural coated pellet form products and process of making
US3259482A (en) * 1965-10-14 1966-07-05 Archer Daniels Midland Co Slow release fertilizer with a plurality of epoxy/polyester resin coatings
US3264088A (en) * 1965-12-08 1966-08-02 Archer Daniels Midland Co Slow release fertilizer granule having a plurality of epoxy resin coatings
US3264089A (en) * 1965-12-10 1966-08-02 Archer Daniels Midland Co Slow release fertilizer granule having a plurality of urethane resin coatings
US3342577A (en) * 1966-12-12 1967-09-19 Tennessee Valley Authority Sulfur-coated fertilizer pellet having controlled dissolution rate and inhibited against microbial decomposition
JPS5238361A (en) * 1975-09-22 1977-03-24 Ube Industries Slowly available coated granular fertilizer
DE2743485C3 (de) * 1977-09-28 1980-09-04 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von biologisch bodenwirksamen Granulaten
JPS603040B2 (ja) * 1978-01-09 1985-01-25 チツソ旭肥料株式会社 被覆肥料とその製造法
US4804403A (en) * 1986-08-18 1989-02-14 Melamine Chemicals, Inc. Attrition-resistant, controlled release fertilizers
US4711659A (en) * 1986-08-18 1987-12-08 Moore William P Attrition resistant controlled release fertilizers
US4772790A (en) * 1986-10-14 1988-09-20 Teledyne Industries, Inc. Non-dispersive optical gas analyzer
US5176734A (en) * 1987-07-24 1993-01-05 Chisso Corporation Granular fertilizer with a decomposable coating and process for producing the same
US4969947A (en) * 1988-04-12 1990-11-13 Melamine Chemicals, Inc. One-step method of coating nutrient particles
JPH07505B2 (ja) * 1989-11-01 1995-01-11 旭化成工業株式会社 分解性被膜からなる被覆粒状肥料
US5219465A (en) * 1991-03-08 1993-06-15 The O.M. Scott & Sons Company Sulfur coated fertilizers and process for the preparation thereof
JPH0597561A (ja) * 1991-04-22 1993-04-20 Nippon Steel Corp 遅効型肥料
US5538531A (en) * 1991-06-24 1996-07-23 Hudson; Alice P. Controlled release fertilizers and methods of production
US5206341A (en) * 1991-11-21 1993-04-27 Southern Research Institute Polymers from hydroxy acids and polycarboxylic acids
US5374292A (en) * 1993-02-08 1994-12-20 Pursell Industries Machine system and process for producing attrition resistant slow release fertilizers
JP3291077B2 (ja) * 1993-07-21 2002-06-10 旭化成株式会社 分解速度の異なる被膜材よりなる多層被覆粒状肥料
US5599374A (en) * 1994-09-23 1997-02-04 Rlc Technologies, L.L.C. Process for producing improved sulfur-coated urea slow release fertilizers
US5704062A (en) * 1996-10-21 1998-01-06 Caroleo; Rudolph Sun visor
US5851261A (en) * 1996-12-30 1998-12-22 Bayer Corporation Process for the production of polyurea encapsulated fertilizer particles and the encapsulated fertilizer particles produced by this process
NO981350L (no) * 1997-03-26 1998-09-28 Central Glass Co Ltd Belagt granulær kunstgjödsel og fremgangsmåte for dens fremstilling

Also Published As

Publication number Publication date
CA2277513C (en) 2007-07-03
EP0974568A2 (de) 2000-01-26
ATE293585T1 (de) 2005-05-15
ES2241213T3 (es) 2005-10-16
IL130988A0 (en) 2001-01-28
EP0974568A3 (de) 2000-07-26
CA2277513A1 (en) 2000-01-23
US6165550A (en) 2000-12-26
DE69924791T2 (de) 2006-03-09
EP0974568B1 (de) 2005-04-20
IL130988A (en) 2001-09-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee