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
Application granted granted Critical
Publication of DE69713147D1 publication Critical patent/DE69713147D1/de
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
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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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
NZ534724A (en) 2002-02-26 2006-06-30 Kerry Green Fertiliser product with plant nutrient fine powder coating
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
WO2006058422A1 (en) * 2004-11-30 2006-06-08 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
WO2012064705A1 (en) 2010-11-10 2012-05-18 Agrium Advanced Technologies Cross-linked modified waxes for controlled release fertilizers
EP2638099B1 (de) 2010-11-10 2022-01-26 Agrium U.S. Inc. Düngemittel mit kontrollierter freisetzung aus vernetzten glyceridgemischen
EP2637990B1 (de) 2010-11-10 2021-05-26 Agrium U.S. Inc. Vernetzte polyolbeschichtete dünger mit kontrollierter freisetzung und verfahren zur herstellung
UA112647C2 (uk) * 2011-05-05 2016-10-10 Басф Се Інкапсульована частинка
US9056940B2 (en) * 2011-06-13 2015-06-16 Invista North America S.A R. L. Aliphatic polyester polyols from cyclohexane oxidation byproduct streams as precursors for polyurethane and polyisocyanurate polymers
US10556841B2 (en) * 2014-04-28 2020-02-11 Basf Se Method of forming an encapsulated fertilizer
US10233133B2 (en) 2014-05-05 2019-03-19 Sabic Global Technologies B.V. Coated granular fertilizers, methods of manufacture thereof, and uses
EP3325431B1 (de) 2015-07-20 2021-08-25 SABIC Global Technologies B.V. Düngerzusammensetzung sowie verfahren zur herstellung und verwendung davon
BR112018009874B1 (pt) 2015-11-16 2022-10-04 SABIC Global Technologies B.V Fertilizantes granulares revestidos, métodos de fabricação dos mesmos e usos dos mesmos
US10865159B2 (en) 2015-11-16 2020-12-15 Sabic Global Technologies B.V. Methods of manufacture for coated granular fertilizers
CN108602730A (zh) 2016-02-08 2018-09-28 沙特基础工业全球技术有限公司 制备肥料种芯的方法
WO2018067796A1 (en) 2016-10-05 2018-04-12 Nous, Llc System for coatings for granular materials
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
US11306037B2 (en) 2017-04-19 2022-04-19 Sabic Global Technologies B.V. Enhanced efficiency fertilizer with urease inhibitor and nitrification separated within the same particle
CN110770194A (zh) 2017-04-19 2020-02-07 沙特基础工业全球技术公司 具有在单独颗粒中的尿素酶抑制剂和硝化抑制剂的增效肥料
US11345645B2 (en) 2017-04-20 2022-05-31 Sabic Global Technologies B.V. Enhanced efficiency fertilizer with embedded powder composition
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
CN111183126A (zh) 2017-08-09 2020-05-19 沙特基础工业全球技术公司 含有脲酶抑制剂和/或硝化抑制剂的挤出肥料颗粒

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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
KR927002910A (ko) * 1990-01-12 1992-12-17 미리암 디. 메코너헤이 서방성 과립의 제조 방법
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
DE69713147T2 (de) 2002-11-14
CA2275887C (en) 2009-11-10
IL130493A0 (en) 2000-06-01
WO1998029359A1 (en) 1998-07-09
US5851261A (en) 1998-12-22
CA2275887A1 (en) 1998-07-09
EP0948474B1 (de) 2002-06-05
EP0948474A1 (de) 1999-10-13
IL130493A (en) 2001-12-23
ES2178031T3 (es) 2002-12-16
AU5605198A (en) 1998-07-31

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee