DE69713147D1 - Verfahren zur herstellung von mit polyharnstoff verkapselten düngemittelpartikeln und die hierdurch entstandenen eingekapselten produkte - Google Patents

Verfahren zur herstellung von mit polyharnstoff verkapselten düngemittelpartikeln und die hierdurch entstandenen eingekapselten produkte

Info

Publication number
DE69713147D1
DE69713147D1 DE69713147T DE69713147T DE69713147D1 DE 69713147 D1 DE69713147 D1 DE 69713147D1 DE 69713147 T DE69713147 T DE 69713147T DE 69713147 T DE69713147 T DE 69713147T DE 69713147 D1 DE69713147 D1 DE 69713147D1
Authority
DE
Germany
Prior art keywords
enclosed
polyhurene
production
products
fertilizer particles
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
DE69713147T
Other languages
English (en)
Other versions
DE69713147T2 (de
Inventor
H Markusch
L Cline
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 DE69713147D1 publication Critical patent/DE69713147D1/de
Application granted granted Critical
Publication of DE69713147T2 publication Critical patent/DE69713147T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/50—Polyethers having heteroatoms other than oxygen
    • C08G18/5021—Polyethers having heteroatoms other than oxygen having nitrogen
    • C08G18/5024—Polyethers having heteroatoms other than oxygen having nitrogen containing primary and/or secondary amino groups
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Fertilizers (AREA)
DE69713147T 1996-12-30 1997-12-11 Verfahren zur herstellung von mit polyharnstoff verkapselten düngemittelpartikeln und die hierdurch entstandenen eingekapselten produkte Expired - Fee Related DE69713147T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/777,426 US5851261A (en) 1996-12-30 1996-12-30 Process for the production of polyurea encapsulated fertilizer particles and the encapsulated fertilizer particles produced by this process
PCT/US1997/023111 WO1998029359A1 (en) 1996-12-30 1997-12-11 A process for the production of polyurea encapsulated fertilizer particles and the encapsulated fertilizer particles produced by this process

Publications (2)

Publication Number Publication Date
DE69713147D1 true DE69713147D1 (de) 2002-07-11
DE69713147T2 DE69713147T2 (de) 2002-11-14

Family

ID=25110229

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69713147T Expired - Fee Related DE69713147T2 (de) 1996-12-30 1997-12-11 Verfahren zur herstellung von mit polyharnstoff verkapselten düngemittelpartikeln und die hierdurch entstandenen eingekapselten produkte

Country Status (8)

Country Link
US (1) US5851261A (de)
EP (1) EP0948474B1 (de)
AU (1) AU5605198A (de)
CA (1) CA2275887C (de)
DE (1) DE69713147T2 (de)
ES (1) ES2178031T3 (de)
IL (1) IL130493A (de)
WO (1) WO1998029359A1 (de)

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NO981350L (no) * 1997-03-26 1998-09-28 Central Glass Co Ltd Belagt granulær kunstgjödsel og fremgangsmåte for dens fremstilling
US6001147A (en) * 1998-07-23 1999-12-14 Bayer Corporation Unsymmetrical polyureaurethane fertilizer encapsulation
US6165550A (en) * 1998-07-23 2000-12-26 Bayer Corporation Symmetrical Polyurea-urethane fertilizer encapsulation
US6254655B1 (en) * 1999-03-18 2001-07-03 Oms Investments, Inc. Processes for preparing granular composite fertilizer compositions and products produced thereby
US6080221A (en) * 1999-09-17 2000-06-27 Agri-Nutrients Technology Group, Inc. Vacuum coated particulate fertilizers
US6432156B1 (en) 1999-11-17 2002-08-13 The Homestead Corp. Method of coating materials and materials formed thereby
US6364925B1 (en) 1999-12-10 2002-04-02 Bayer Corporation Polyurethane encapsulated fertilizer having improved slow-release properties
US6231895B1 (en) * 2000-03-01 2001-05-15 Agway, Inc Feedstock for ruminants with controlled-release non-protein nitrogen
CA2300237A1 (en) 2000-03-09 2001-09-09 Mikhail Pildysh A coated substrate having controlled release properties and a method for the production thereof
US6358296B1 (en) 2000-07-11 2002-03-19 Bayer Corporation Slow-release polyurethane encapsulated fertilizer using oleo polyols
US7018440B2 (en) * 2001-07-18 2006-03-28 Sumitomo Chemical Company, Limited Granular coated fertilizer
US7018441B2 (en) * 2001-08-09 2006-03-28 Sumitomo Chemical Company, Limited Granular coated fertilizer
DK1482776T3 (en) 2002-02-26 2018-08-06 Compass Minerals Manitoba Inc FERTILIZER PRODUCT WITH FINE POWDER COATING WITH PLANT NUTRIENTS
US20050066697A1 (en) * 2003-09-30 2005-03-31 Cline Robert Lee Slow-release polyurethane(urea) encapsulated fertilizer
US7416785B2 (en) * 2004-05-26 2008-08-26 Basf Corporation Polyurethane-encapsulated particle comprising polyol derived from aromatic amine-based initiator
US7682656B2 (en) * 2004-06-14 2010-03-23 Agruim Inc. Process and apparatus for producing a coated product
US7478491B2 (en) * 2004-09-29 2009-01-20 Sturba Michael A Apparatus and method for printing images with integral frame
CA2588793C (en) 2004-11-30 2015-01-13 Agrium Inc. Process and apparatus for coating a controlled release product in a rotating drum
US8883914B2 (en) * 2006-02-13 2014-11-11 Basf Corporation Article formed from a resin composition having a polyurethane encapsulated particle
US7771505B2 (en) 2008-07-16 2010-08-10 Agrium Inc. Controlled release fertilizer composition
EP2431346A1 (de) * 2010-09-15 2012-03-21 Uhde Fertilizer Technology B.V. Verfahren zur Herstellung von Harnstoffdünger mit niedrigen Feuchtigkeitsabsorptionsneigungen
CA2817736C (en) 2010-11-10 2020-01-14 Agrium Advanced Technologies (U.S.) Inc. Cross-linked modified waxes for controlled release fertilizers
AU2011326054B2 (en) 2010-11-10 2016-03-17 Agrium U.S. Inc. Controlled release fertilizers made from cross-linked glyceride mixtures
US8795406B2 (en) 2010-11-10 2014-08-05 Agrium Advanced Technologies (U.S.) Inc. Cross-linked polyols for controlled release fertilizers
UA112647C2 (uk) * 2011-05-05 2016-10-10 Басф Се Інкапсульована частинка
EP2718340B1 (de) * 2011-06-13 2017-08-09 Invista Technologies S.à.r.l. Aliphatische polyesterpolyole aus cyclohexan-oxidationsnebenproduktströmen als vorläufer für polyurethan- und polyisocyanuratpolymere
US10556841B2 (en) * 2014-04-28 2020-02-11 Basf Se Method of forming an encapsulated fertilizer
JP6735235B2 (ja) 2014-05-05 2020-08-05 サビック グローバル テクノロジーズ ベスローテン フエンノートシャップ 被覆粒状肥料、その製造方法、及び使用
BR112018001196B1 (pt) 2015-07-20 2021-10-26 Sabic Global Technologies B.V. Partícula de núcleo de fertilizante, grânulo de fertilizante, e, método para preparar uma partícula de núcleo de fertilizante
CN108349828A (zh) 2015-11-16 2018-07-31 沙特基础工业全球技术有限公司 包膜粒状肥料、其制造方法及其用途
WO2017087265A1 (en) 2015-11-16 2017-05-26 Sabic Global Technologies B.V. Methods of manufacture for coated granular fertilizers
US11806689B2 (en) 2016-02-08 2023-11-07 Sabic Global Technologies B.V. Method of making a fertilizer seed core
BR112019006425B1 (pt) 2016-10-05 2021-02-09 Nous, Llc revestimento para um fertilizante granulado e material granulado revestido
JP6763325B2 (ja) * 2017-03-10 2020-09-30 東京エレクトロン株式会社 半導体装置の製造方法、基板処理装置及び真空処理装置
JP6809315B2 (ja) * 2017-03-15 2021-01-06 東京エレクトロン株式会社 半導体装置の製造方法及び真空処理装置
EP3612508A1 (de) 2017-04-19 2020-02-26 SABIC Global Technologies B.V. Düngemittel mit verbessertem wirkungsgrad mit ureaseinhibitor und nitrifikationsinhibitor in separaten partikeln
WO2018193344A1 (en) 2017-04-19 2018-10-25 Sabic Global Technologies B.V. Enhanced efficiency fertilizer with urease inhibitor and nitrification inhibitor separated within the same particle
CN110770195B (zh) 2017-04-20 2022-08-23 沙特基础工业全球技术公司 具有内嵌粉末组合物的增效肥料
CN107118022A (zh) * 2017-05-15 2017-09-01 中国农业科学院农业环境与可持续发展研究所 一种可生物降解的包膜材料及其包膜肥料
DE102017212104A1 (de) 2017-07-14 2019-01-17 Eurochem Agro Gmbh Beschichtete harnstoffhaltige Düngemittelteilchen und Verfahren zu ihrer Herstellung
US11021409B2 (en) 2017-08-09 2021-06-01 Sabic Global Technologies B.V. Extruded fertilizer granules with urease and/or nitrification inhibitors
CA3153492A1 (en) 2019-10-03 2021-04-08 Keith Hogan Core-shell composite particles and methods of making same

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1581761A (en) * 1977-06-09 1980-12-17 Azote Sa Cie Neerlandaise Urea granulation
US4223070A (en) * 1978-05-04 1980-09-16 Stauffer Chemical Company Impregnated porous granules with slow release pore membranes and process therefor
JPS59206302A (ja) * 1983-05-11 1984-11-22 Kumiai Chem Ind Co Ltd 被覆型農園芸用粒剤の製造法
US4804403A (en) * 1986-08-18 1989-02-14 Melamine Chemicals, Inc. Attrition-resistant, controlled release fertilizers
JPH082763B2 (ja) * 1987-06-16 1996-01-17 第一工業製薬株式会社 農薬の耐水性向上剤組成物
US4969947A (en) * 1988-04-12 1990-11-13 Melamine Chemicals, Inc. One-step method of coating nutrient particles
EP0513027A1 (de) * 1990-01-12 1992-11-19 E.I. Du Pont De Nemours And Company Verfahren zur herstellung von granulaten mit gesteuerter freigabe
US5211985A (en) * 1991-10-09 1993-05-18 Ici Canada, Inc. Multi-stage process for continuous coating of fertilizer particles
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
DE4407490A1 (de) * 1994-03-07 1995-09-14 Bayer Ag Verfahren zur Herstellung heißhärtender Einkomponenten-Polyurethan-Reaktivmassen
US5698002A (en) * 1994-11-21 1997-12-16 Lesco Inc. Controlled release fertilizers utilizing an epoxy polymer primer coat and methods of production
JP3518921B2 (ja) * 1995-03-28 2004-04-12 三井化学株式会社 マイクロカプセルおよびその製造方法

Also Published As

Publication number Publication date
US5851261A (en) 1998-12-22
AU5605198A (en) 1998-07-31
EP0948474A1 (de) 1999-10-13
ES2178031T3 (es) 2002-12-16
IL130493A (en) 2001-12-23
DE69713147T2 (de) 2002-11-14
IL130493A0 (en) 2000-06-01
WO1998029359A1 (en) 1998-07-09
CA2275887C (en) 2009-11-10
CA2275887A1 (en) 1998-07-09
EP0948474B1 (de) 2002-06-05

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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