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Controlled Release Fertilizers Utilizing an Epoxy Polymer Primer Coat and Methods of Production

Info

Publication number
CA2163275A1
CA2163275A1 CA 2163275 CA2163275A CA2163275A1 CA 2163275 A1 CA2163275 A1 CA 2163275A1 CA 2163275 CA2163275 CA 2163275 CA 2163275 A CA2163275 A CA 2163275A CA 2163275 A1 CA2163275 A1 CA 2163275A1
Authority
CA
Grant status
Application
Patent type
Prior art keywords
epoxide
moieties
release
water
products
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.)
Granted
Application number
CA 2163275
Other languages
French (fr)
Other versions
CA2163275C (en )
Inventor
Alice P. Hudson
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.)
Surface Chemists of Florida Inc
Original Assignee
Alice P. Hudson
Lesco, Inc.
Lesco Technologies, Llc
Surface Chemists Of Florida, Inc.
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
Family has litigation

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30Low-molecular-weight compounds
    • C08G18/36Hydroxylated esters of higher fatty acids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/006Coating of the granules without description of the process or the device by which the granules are obtained
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G3/00Mixtures of one or more fertilisers with materials not having a specially fertilising activity
    • C05G3/0005Further uses of fertiliser, also the form in which it is presented, e.g. by englobed granules
    • C05G3/0011Further uses of fertiliser, also the form in which it is presented, e.g. by englobed granules by covering; apparatus for covering
    • C05G3/0029Further uses of fertiliser, also the form in which it is presented, e.g. by englobed granules by covering; apparatus for covering with a polymer
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G3/00Mixtures of one or more fertilisers with materials not having a specially fertilising activity
    • C05G3/0005Further uses of fertiliser, also the form in which it is presented, e.g. by englobed granules
    • C05G3/0011Further uses of fertiliser, also the form in which it is presented, e.g. by englobed granules by covering; apparatus for covering
    • C05G3/0035Further uses of fertiliser, also the form in which it is presented, e.g. by englobed granules by covering; apparatus for covering with wax or resins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/74Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups

Abstract

Controlled release, particulate fertilizer products having a water soluble fertilizer central mass encased in a plurality of water insoluble, abrasion resistant coatings plus coating compositions and methods for the production of such products are disclosed. At least one essential inner coating is an epoxide reaction product of A. at least one epoxide resin containing at least about 2 epoxide moieties per molecule, and B. at least one amine curing agent containing at least about two N-H moieties/molecule.
CA 2163275 1994-11-21 1995-11-20 Controlled release fertilizers utilizing an epoxy polymer primer coat and methods of production Expired - Lifetime CA2163275C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US08342808 US5698002A (en) 1994-11-21 1994-11-21 Controlled release fertilizers utilizing an epoxy polymer primer coat and methods of production
US08/342,808 1994-11-21

Publications (2)

Publication Number Publication Date
CA2163275A1 true true CA2163275A1 (en) 1996-05-22
CA2163275C CA2163275C (en) 1999-09-28

Family

ID=23343358

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2163275 Expired - Lifetime CA2163275C (en) 1994-11-21 1995-11-20 Controlled release fertilizers utilizing an epoxy polymer primer coat and methods of production

Country Status (8)

Country Link
US (1) US5698002A (en)
JP (1) JP3288210B2 (en)
CN (1) CN1130612A (en)
CA (1) CA2163275C (en)
DE (2) DE69502257T2 (en)
DK (1) DK0716057T3 (en)
EP (1) EP0716057B1 (en)
ES (1) ES2116686T3 (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6287356B1 (en) 1995-03-03 2001-09-11 Magic Green Corporation Soil conditioning agglomerates containing calcium
US5997599A (en) * 1995-03-03 1999-12-07 Magic Green Corporation Soil conditioning agglomerates containing cement kiln dust
US6413291B1 (en) 1995-03-03 2002-07-02 Magic Green Corporation Soil conditioning agglomerates containing calcium
DE19603739A1 (en) * 1996-02-02 1997-08-07 Basf Ag Granule mixtures consisting of coated and non-coated fertilizer granules
US6171358B1 (en) * 1996-05-24 2001-01-09 Norsk Hydro Asa Calcium nitrate based fertilizer
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
EP0867422A3 (en) * 1997-03-26 1999-10-13 Central Glass Company, Limited Coated granular fertilizer and method for producing same
US20040016276A1 (en) * 2002-07-26 2004-01-29 Wynnyk Nick P. Controlled release fertilizer having improved mechanical handling durability and method for production thereof
EP1723104B1 (en) 2004-02-17 2010-11-10 Chevron Phillips Chemical Company Lp Sulfur-containing compositions and processes for making same
US8003748B2 (en) 2004-02-17 2011-08-23 Chevron Phillips Chemical Company, Lp Polythiourethane compositions and processes for making and using same
US7682656B2 (en) * 2004-06-14 2010-03-23 Agruim Inc. Process and apparatus for producing a coated product
CA2588793C (en) * 2004-11-30 2015-01-13 Agrium Inc. Process and apparatus for coating a controlled release product in a rotating drum
US7910666B2 (en) 2005-08-16 2011-03-22 Chevron Phillips Chemical Company Lp Mercaptan-hardened epoxy polymer compositions and processes for making and using same
CA2619316A1 (en) 2005-08-16 2007-02-22 Chevron Phillips Chemical Company Lp Polymer compositions and processes for making and using same
CN100475750C (en) 2005-09-07 2009-04-08 南京理工大学 Composite envelope type slow release fertilizer
US7862642B2 (en) * 2006-12-14 2011-01-04 Georgia-Pacific Chemicals Llc Extended-release urea-based granular fertilizer
CN102822122B (en) 2009-12-07 2015-04-22 动量技术有限公司 Nutrient yielding bio-renewable controlled release fertilizer coatings
RU2579460C2 (en) 2010-05-18 2016-04-10 Дусло, А.С. Granular fertiliser with controlled release of nutrients
US9102573B2 (en) 2012-05-18 2015-08-11 Basf Se Encapsulated particle
CA2873847A1 (en) 2012-05-18 2013-11-21 Basf Se An encapsulated particle
CN103524238B (en) * 2013-10-21 2015-07-15 宁夏荣和绿色科技有限公司 Organic polymer coating material as well as method of coating fertilizer by using coating material
US20150376077A1 (en) * 2014-06-27 2015-12-31 Koch Biological Solutions, Llc Polymer coated fertilizer compositions and methods of making thereof

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3223518A (en) * 1961-08-18 1965-12-14 Archer Daniels Midland Granular fertilizer having a plurality of coatings and the process of making
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
BE756433A (en) * 1969-09-22 1971-03-22 Ruhrchemie Ag proper storage of fertilizers non dust and not nes'agglomerant
JPS6045234B2 (en) * 1977-02-14 1985-10-08 Kao Soap Co
JPS5466260A (en) * 1977-10-25 1979-05-28 Showa Denko Kk Slowly acting solid fertilizer
JPH036947B2 (en) * 1982-10-07 1991-01-31 Mitsui Petrochemical Ind
US4891223A (en) * 1987-09-03 1990-01-02 Air Products And Chemicals, Inc. Controlled release delivery coating formulation for bioactive substances
US5264019A (en) * 1991-03-05 1993-11-23 Eastman Kodak Company Coating compositions for slow release fertilizer formulations
JPH05295207A (en) * 1992-04-23 1993-11-09 Achilles Corp Agricultural vinyl chloride-based resin film
JPH05295206A (en) * 1992-04-23 1993-11-09 Achilles Corp Agricultural vinyl chloride-based resin film

Also Published As

Publication number Publication date Type
JPH08245288A (en) 1996-09-24 application
US5698002A (en) 1997-12-16 grant
EP0716057B1 (en) 1998-04-29 grant
CA2163275C (en) 1999-09-28 grant
CN1130612A (en) 1996-09-11 application
ES2116686T3 (en) 1998-07-16 grant
EP0716057A1 (en) 1996-06-12 application
DK716057T3 (en) grant
DK0716057T3 (en) 1998-10-07 grant
JP3288210B2 (en) 2002-06-04 grant
DE69502257T2 (en) 1998-11-12 grant
DE69502257D1 (en) 1998-06-04 grant

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Effective date: 20151120