BE748549A - Procede de preparation de produits de condensation uree-formaldehyde - Google Patents

Procede de preparation de produits de condensation uree-formaldehyde

Info

Publication number
BE748549A
BE748549A BE748549DA BE748549A BE 748549 A BE748549 A BE 748549A BE 748549D A BE748549D A BE 748549DA BE 748549 A BE748549 A BE 748549A
Authority
BE
Belgium
Prior art keywords
uree
preparing
condensation products
formaldehyde condensation
formaldehyde
Prior art date
Application number
Other languages
English (en)
Inventor
Nord G.M.B.H. Veba-Chemie
Denommee Salzgitten-Chemie G.M.B.H. Anciennement
Original Assignee
Veba Chemie 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 Veba Chemie Ag filed Critical Veba Chemie Ag
Publication of BE748549A publication Critical patent/BE748549A/fr

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
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
    • C08G12/12—Ureas; Thioureas
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C9/00—Fertilisers containing urea or urea compounds
    • C05C9/02—Fertilisers containing urea or urea compounds containing urea-formaldehyde condensates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Fertilizers (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE748549D 1969-04-05 1970-04-06 Procede de preparation de produits de condensation uree-formaldehyde BE748549A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691917569 DE1917569A1 (de) 1969-04-05 1969-04-05 Verfahren zur Herstellung von Harnstoff-Formaldehyd-Kondensationsprodukten

Publications (1)

Publication Number Publication Date
BE748549A true BE748549A (fr) 1970-09-16

Family

ID=5730429

Family Applications (1)

Application Number Title Priority Date Filing Date
BE748549D BE748549A (fr) 1969-04-05 1970-04-06 Procede de preparation de produits de condensation uree-formaldehyde

Country Status (7)

Country Link
US (1) US3712879A (fr)
AT (1) AT311672B (fr)
BE (1) BE748549A (fr)
DE (1) DE1917569A1 (fr)
FR (1) FR2038290B1 (fr)
GB (1) GB1292925A (fr)
NL (1) NL7002206A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101521A (en) * 1969-09-12 1978-07-18 Ciba-Geigy Ag Process for the manufacture of highly disperse solids consisting of crosslinked urea-formaldehyde polycondensation products
US3931063A (en) * 1973-07-30 1976-01-06 Ciba-Geigy Ag Process for the manufacture of porous solids consisting of crosslinked urea-formaldehyde polycondensation products
IL47144A (en) * 1975-04-22 1978-06-15 Chem & Phosphates Ltd Fertilizer compound the ureaform type and a method for the production thereof
US3996190A (en) * 1975-09-15 1976-12-07 Allied Chemical Corporation Formaldehyde fume abatement in the production of urea/formaldehyde molding resins
US4145207A (en) * 1977-01-19 1979-03-20 Moore William P Preparation of improved foliar fertilizer
US4332610A (en) * 1980-04-24 1982-06-01 W. A. Cleary Chemical Corporation Urea formaldehyde dispersions modified with higher aldehydes
US4298512A (en) * 1980-04-24 1981-11-03 W. A. Cleary Chemical Corporation Urea formaldehyde dispersions modified with higher aldehydes
EP0071128B2 (fr) * 1981-07-30 1995-08-16 O.M.Scott + Sons Company Engrais granulé avec solubilité régularisée
GB8411432D0 (en) 1984-05-03 1984-06-06 Bip Chemicals Ltd Moulding materials
US5435822A (en) * 1989-11-08 1995-07-25 W. R. Grace & Co.-Conn. Spray dried water dispersible fertilizer
EP1195365A1 (fr) * 2000-09-21 2002-04-10 Agra Dünger GmbH Procédé de préparation de polymères de méthylène-urée
WO2003082004A2 (fr) * 2002-03-26 2003-10-09 Georgia-Pacific Resins, Inc. Enrobage de grain d'azote a liberation lente
CN102040400B (zh) * 2010-11-19 2011-12-07 中北大学 一种缓释碳基氮肥的绿色合成工艺
CN102584458B (zh) * 2012-02-29 2013-08-07 中北大学 一种多营养元素高分子缓释碳基化肥及其制备方法

Also Published As

Publication number Publication date
FR2038290B1 (fr) 1973-08-10
GB1292925A (en) 1972-10-18
US3712879A (en) 1973-01-23
FR2038290A1 (fr) 1971-01-08
NL7002206A (fr) 1970-10-07
DE1917569A1 (de) 1971-03-25
AT311672B (de) 1973-11-26

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