NL149785B - Werkwijze om een geconcentreerde oplossing te bereiden, welke ureum en formaldehyde bevat. - Google Patents
Werkwijze om een geconcentreerde oplossing te bereiden, welke ureum en formaldehyde bevat.Info
- Publication number
- NL149785B NL149785B NL666610504A NL6610504A NL149785B NL 149785 B NL149785 B NL 149785B NL 666610504 A NL666610504 A NL 666610504A NL 6610504 A NL6610504 A NL 6610504A NL 149785 B NL149785 B NL 149785B
- Authority
- NL
- Netherlands
- Prior art keywords
- formaldehyde
- preparing
- procedure
- solution containing
- concentrated solution
- 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
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/025—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds of solutions of urea and formaldehyde
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1746365 | 1965-08-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL6610504A NL6610504A (US07488766-20090210-C00029.png) | 1967-02-03 |
| NL149785B true NL149785B (nl) | 1976-06-15 |
Family
ID=11150366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL666610504A NL149785B (nl) | 1965-08-02 | 1966-07-26 | Werkwijze om een geconcentreerde oplossing te bereiden, welke ureum en formaldehyde bevat. |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3450659A (US07488766-20090210-C00029.png) |
| GB (1) | GB1117534A (US07488766-20090210-C00029.png) |
| NL (1) | NL149785B (US07488766-20090210-C00029.png) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3905847A (en) * | 1969-02-06 | 1975-09-16 | Borden Inc | Urea-aldehyde resin adhesives and process |
| DE2334380B1 (de) * | 1973-07-06 | 1974-09-05 | Basf Ag | Verfahren zur Herstellung eines Holzleims |
| GB1570339A (en) * | 1976-06-23 | 1980-06-25 | Ici Ltd | Process for producing aqueous-formaldehyde resin solutions |
| US4410685A (en) * | 1982-09-10 | 1983-10-18 | Borden, Inc. | Hydrolytically stable urea-formaldehyde resins and process for manufacturing them |
| EP0103131A3 (en) * | 1982-09-10 | 1985-11-06 | Borden, Inc. | Amino-formaldehyde resins and use thereof in lignocellulosic composites |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE23174E (en) * | 1949-11-29 | Liquid urea-formaldehyde | ||
| US2554424A (en) * | 1947-03-05 | 1951-05-22 | American Cyanamid Co | Urea-aldehyde reaction products and process of preparing same |
| US2625524A (en) * | 1951-12-26 | 1953-01-13 | Du Pont | Viscous urea-formaldehyde compositions and method for preparing the same |
| US2947750A (en) * | 1957-02-08 | 1960-08-02 | Borden Co | Formaldehyde absorption |
| US3198761A (en) * | 1961-04-27 | 1965-08-03 | Hercules Powder Co Ltd | Urea-formaldehyde compositions and their manufacture |
-
1966
- 1966-07-26 US US567850A patent/US3450659A/en not_active Expired - Lifetime
- 1966-07-26 NL NL666610504A patent/NL149785B/xx unknown
- 1966-07-29 GB GB34121/66A patent/GB1117534A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL6610504A (US07488766-20090210-C00029.png) | 1967-02-03 |
| GB1117534A (en) | 1968-06-19 |
| US3450659A (en) | 1969-06-17 |
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