IL130987A - Unsymmetrical polyurea-urethane fertilizer encapsulation - Google Patents

Unsymmetrical polyurea-urethane fertilizer encapsulation

Info

Publication number
IL130987A
IL130987A IL13098799A IL13098799A IL130987A IL 130987 A IL130987 A IL 130987A IL 13098799 A IL13098799 A IL 13098799A IL 13098799 A IL13098799 A IL 13098799A IL 130987 A IL130987 A IL 130987A
Authority
IL
Israel
Prior art keywords
fertilizer particles
weight
urethane
polyurea
group
Prior art date
Application number
IL13098799A
Other languages
English (en)
Other versions
IL130987A0 (en
Original Assignee
Bayer Ag
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 filed Critical Bayer Ag
Publication of IL130987A0 publication Critical patent/IL130987A0/xx
Publication of IL130987A publication Critical patent/IL130987A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Fertilizers (AREA)
  • Polyurethanes Or Polyureas (AREA)
IL13098799A 1998-07-23 1999-07-20 Unsymmetrical polyurea-urethane fertilizer encapsulation IL130987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/121,376 US6001147A (en) 1998-07-23 1998-07-23 Unsymmetrical polyureaurethane fertilizer encapsulation

Publications (2)

Publication Number Publication Date
IL130987A0 IL130987A0 (en) 2001-01-28
IL130987A true IL130987A (en) 2001-12-23

Family

ID=22396308

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13098799A IL130987A (en) 1998-07-23 1999-07-20 Unsymmetrical polyurea-urethane fertilizer encapsulation

Country Status (7)

Country Link
US (1) US6001147A (es)
EP (1) EP0974569B1 (es)
AT (1) ATE294768T1 (es)
CA (1) CA2273768C (es)
DE (1) DE69925074T2 (es)
ES (1) ES2242332T3 (es)
IL (1) IL130987A (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10221704A1 (de) * 2001-06-05 2003-01-23 Compo Gmbh & Co Kg Düngemittel mit verzögerter Freisetzung und Verfahren zu dessen Herstellung
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
US20060115586A1 (en) * 2004-11-30 2006-06-01 Baozhong Xing Process and apparatus for coating a controlled release product in a rotating drum
UA112647C2 (uk) 2011-05-05 2016-10-10 Басф Се Інкапсульована частинка
AU2013262629B2 (en) 2012-05-18 2017-03-30 Basf Se Encapsulated particle
MX2014013978A (es) 2012-05-18 2015-06-02 Basf Se Particula encapsulada.
UA116219C2 (uk) 2012-11-16 2018-02-26 Басф Се Інкапсульована частинка
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
CN109843833A (zh) * 2016-10-05 2019-06-04 努斯有限责任公司 用于粒状材料的包覆物的系统
DE102017212104A1 (de) * 2017-07-14 2019-01-17 Eurochem Agro Gmbh Beschichtete harnstoffhaltige Düngemittelteilchen und Verfahren zu ihrer Herstellung
EP3581550A1 (en) 2018-06-13 2019-12-18 Pursell Agri-Tech, LLC Fertilizer coating method

Family Cites Families (23)

* Cited by examiner, † Cited by third party
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
DE3544451C1 (de) * 1985-12-16 1987-01-15 Ashland Suedchemie Kernfest Verfahren zum Erzeugen einer wasserdurchlaessigen Umhuellung auf koernigen,wasserloeslichen Stoffen und seine Anwendung
US4711659A (en) * 1986-08-18 1987-12-08 Moore William P Attrition resistant controlled release fertilizers
US4804403A (en) * 1986-08-18 1989-02-14 Melamine Chemicals, Inc. Attrition-resistant, controlled release fertilizers
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
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
FR2727326B1 (fr) * 1994-11-24 1996-12-20 Ceca Sa Procede de traitement antimottant d'engrais limitant l'emission de poussieres au stockage
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
EP0974569B1 (en) 2005-05-04
IL130987A0 (en) 2001-01-28
DE69925074D1 (de) 2005-06-09
EP0974569A3 (en) 2000-07-26
ES2242332T3 (es) 2005-11-01
EP0974569A2 (en) 2000-01-26
DE69925074T2 (de) 2006-01-19
US6001147A (en) 1999-12-14
ATE294768T1 (de) 2005-05-15
CA2273768A1 (en) 2000-01-23
CA2273768C (en) 2006-10-03

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Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees