BE748549A - Procede de preparation de produits de condensation uree-formaldehyde - Google Patents
Procede de preparation de produits de condensation uree-formaldehydeInfo
- 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
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)
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)
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 |
CN1309685C (zh) * | 2002-03-26 | 2007-04-11 | 佐治亚-太平洋树脂公司 | 缓释氮肥 |
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 |
-
1969
- 1969-04-05 DE DE19691917569 patent/DE1917569A1/de active Pending
-
1970
- 1970-02-04 AT AT100670A patent/AT311672B/de not_active IP Right Cessation
- 1970-02-17 NL NL7002206A patent/NL7002206A/xx unknown
- 1970-04-03 US US00071284*A patent/US3712879A/en not_active Expired - Lifetime
- 1970-04-03 GB GB06000/70A patent/GB1292925A/en not_active Expired
- 1970-04-06 BE BE748549D patent/BE748549A/fr unknown
- 1970-04-06 FR FR707012354A patent/FR2038290B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2038290B1 (fr) | 1973-08-10 |
DE1917569A1 (de) | 1971-03-25 |
AT311672B (de) | 1973-11-26 |
NL7002206A (fr) | 1970-10-07 |
US3712879A (en) | 1973-01-23 |
GB1292925A (en) | 1972-10-18 |
FR2038290A1 (fr) | 1971-01-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE754723A (fr) | Procede de preparation de | |
BE759208A (fr) | Procede de preparation continue de | |
BE757999A (fr) | Procede de preparation de bromonitro-alcools. | |
BE748549A (fr) | Procede de preparation de produits de condensation uree-formaldehyde | |
BE753875A (fr) | Procede de preparation de polyamines et produits obtenus | |
BE755624A (fr) | Procede de preparation de 1,1-dihydro-perfluoro-alcanols | |
BE744132A (fr) | Procede de preparation de diisocyanates | |
BE747306A (fr) | Procede de preparation de fluorures de perfluoroalcoylsulfonyle | |
CH553785A (fr) | Procede de preparation de nouvelles dibenzoazepines. | |
BE744417A (fr) | Procede de preparation des dihydroxyalcoylbenzenes | |
BE756386A (fr) | Procede de preparation de dimercapto-d-limonene | |
BE753775A (fr) | Procede de preparation de nitroximes | |
BE768410A (fr) | Procede de preparation de 1-ethyl-3-phenyl-indanes | |
BE754678A (fr) | Procede de preparation de produits de condensation de methylene-bis-acrylamide et de formaldehyde | |
CH551937A (fr) | Procede de preparation de saligenol. | |
BE787367A (fr) | Procede de preparation de tetraalkylpyrazines et produits obtenus | |
BE754337A (fr) | Procede de preparation de mercaptoalkylalcoxysilanes | |
BE767636A (fr) | Procede de preparation de carboxamides | |
FR2073186A5 (fr) | Procede de preparation de 2-alkoxy-4-hydroxy-pyrimidines | |
BE745787A (fr) | Procede de preparation de sulfatobetaines | |
BE752622A (fr) | Procede de preparation de n-alcenyl-acetamides | |
BE750523A (fr) | Procede de preparation de derives de 2-alcoylidene-norbornane | |
BE764464A (fr) | Procede de preparation de furannes | |
BE749267A (fr) | Procede de preparation de compositions pigmentaires | |
BE768306A (fr) | Procede de preparation de cephalexine |