ES342048A1 - Urea-Furfurol Condensation Products And A Process For Their Production - Google Patents
Urea-Furfurol Condensation Products And A Process For Their ProductionInfo
- Publication number
- ES342048A1 ES342048A1 ES342048A ES342048A ES342048A1 ES 342048 A1 ES342048 A1 ES 342048A1 ES 342048 A ES342048 A ES 342048A ES 342048 A ES342048 A ES 342048A ES 342048 A1 ES342048 A1 ES 342048A1
- Authority
- ES
- Spain
- Prior art keywords
- urea
- furfurol
- production
- condensation products
- fertilizers
- 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
Links
Classifications
-
- 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
-
- 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
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)
Abstract
Fertilizers having a N-content of 26-35% are prepared by condensing urea with a mixture of furfurol and formaldehyde in aqueous solution in the presence of a condensation catalyst. An excess of urea may be present.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DESC039272 | 1966-07-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES342048A1 true ES342048A1 (en) | 1968-07-16 |
Family
ID=7435087
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES342048A Expired ES342048A1 (en) | 1966-07-16 | 1967-06-20 | Urea-Furfurol Condensation Products And A Process For Their Production |
Country Status (7)
Country | Link |
---|---|
AT (1) | AT273184B (en) |
BE (1) | BE701371A (en) |
DE (1) | DE1543903A1 (en) |
ES (1) | ES342048A1 (en) |
GB (1) | GB1153946A (en) |
LU (1) | LU53647A1 (en) |
NL (1) | NL6708758A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1152197B (en) * | 1982-05-27 | 1986-12-31 | Montedison Spa | PROCEDURE FOR THE PREPARATION OF SLOWLY NITROGEN FERTILIZERS |
CN105601445A (en) * | 2016-03-10 | 2016-05-25 | 山东植丰农化集团有限公司 | Preparation method of slow release fertilizer containing difurfurylidene triurethane and obtained slow release fertilizer |
CN110423163A (en) * | 2019-09-03 | 2019-11-08 | 河北农业大学 | Slow and controlled release fertilizer for corn |
-
1966
- 1966-07-16 DE DE19661543903 patent/DE1543903A1/en active Pending
-
1967
- 1967-05-11 LU LU53647D patent/LU53647A1/xx unknown
- 1967-05-18 AT AT466067A patent/AT273184B/en active
- 1967-06-20 ES ES342048A patent/ES342048A1/en not_active Expired
- 1967-06-23 NL NL6708758A patent/NL6708758A/xx unknown
- 1967-07-13 GB GB3235667A patent/GB1153946A/en not_active Expired
- 1967-07-14 BE BE701371D patent/BE701371A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
AT273184B (en) | 1969-08-11 |
DE1543903A1 (en) | 1970-07-09 |
BE701371A (en) | 1967-12-18 |
LU53647A1 (en) | 1967-07-11 |
GB1153946A (en) | 1969-06-04 |
NL6708758A (en) | 1968-01-17 |
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