CH546212A - Stable conc urea-formaldehyde solns - Google Patents
Stable conc urea-formaldehyde solnsInfo
- Publication number
- CH546212A CH546212A CH546212DA CH546212A CH 546212 A CH546212 A CH 546212A CH 546212D A CH546212D A CH 546212DA CH 546212 A CH546212 A CH 546212A
- Authority
- CH
- Switzerland
- Prior art keywords
- formaldehyde
- urea
- solns
- solutions
- stable
- Prior art date
Links
- 229920001807 Urea-formaldehyde Polymers 0.000 title 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 title 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 6
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 abstract 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 2
- 239000004202 carbamide Substances 0.000 abstract 2
- 239000004312 hexamethylene tetramine Substances 0.000 abstract 2
- 235000010299 hexamethylene tetramine Nutrition 0.000 abstract 2
- 239000011347 resin Substances 0.000 abstract 2
- 229920005989 resin Polymers 0.000 abstract 2
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
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
-
- 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)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1699865 | 1965-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH546212A true CH546212A (en) | 1974-02-28 |
Family
ID=11149613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH546212D CH546212A (en) | 1965-07-27 | 1966-07-26 | Stable conc urea-formaldehyde solns |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH546212A (enExample) |
| ES (1) | ES329991A2 (enExample) |
| GB (1) | GB1101363A (enExample) |
| NL (1) | NL6610452A (enExample) |
-
1966
- 1966-07-25 NL NL6610452A patent/NL6610452A/xx unknown
- 1966-07-26 ES ES0329991A patent/ES329991A2/es not_active Expired
- 1966-07-26 CH CH546212D patent/CH546212A/xx unknown
- 1966-07-27 GB GB3379466A patent/GB1101363A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL6610452A (enExample) | 1967-02-27 |
| ES329991A2 (es) | 1967-09-16 |
| GB1101363A (en) | 1968-01-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AT288417B (de) | Verfahren zur Herstellung von Harnstoff in Kombination mit der Synthese von Ammoniak | |
| AT348764B (de) | Verfahren zur herstellung von niedrigviskosen koerperreichen melaminharz-loesungen mit geringem gehalt an freiem formaldehyd | |
| CH546212A (en) | Stable conc urea-formaldehyde solns | |
| IE32892B1 (en) | Resinous blends and method of making same | |
| CH512444A (de) | Verfahren zur Herstellung von Harnstoff in Kombination mit der Synthese von Ammoniak | |
| ES342048A1 (es) | Procedimiento para la preparacion de productos de condensa-cion utilizables como fertilizantes. | |
| NL286692A (nl) | Werkwijze ter bereiding van vaste, bij opslag stabiele, in water oplosbare condensatieharsen uit ureum, formaldehyde en polyaminen | |
| ES448537A1 (es) | Procedimiento para preparar resinas de urea-formaldehido me-joradas. | |
| CH451909A (de) | Verfahren zur Herstellung von haltbaren wässrigen Lösungen, enthaltend N,N-Dimethyloloxyalkylcarbamate, N-Monomethyloloxyalkylcarbamate und freien Formaldehyd | |
| DK132443B (da) | Anvendelse af caprolactam i urinstof-formaldehyd-harpikser. | |
| Sidorov | Changes in the composition of amino acids occurring in the course of their biogenic synthesis, as dependent on the length of action of ultraviolet rays on solutions of formaldehyde and ammonia salts | |
| CH507916A (de) | Verfahren zur Herstellung von Harnstoff in Kombination mit der Synthese von Ammoniak | |
| AT266039B (de) | Verfahren zur Herstellung von hochaktiven, im wesentlichen aus Kieselsäure bestehenden Füllstoffen | |
| CH480380A (de) | Verfahren zur Herstellung von wasserunlöslichen, in organischen Mitteln löslichen, verätherten Melaminharzen | |
| AT275869B (de) | Verfahren zur Herstellung von in Lösung beständigen Harzen auf der Basis von Harnstoff, Formaldehyd und Polyaminen | |
| AT288418B (de) | Verfahren zur Herstellung von Harnstoff in Kombination mit der Synthese von Ammoniak | |
| ES425769A1 (es) | Procedimiento para la fabricacion de un aglutinante. | |
| ES377233A1 (es) | Procedimiento de fabricacion de formadores de complejos de convalencia. | |
| ES282018A1 (es) | Un procedimiento para preparar soluciones acuosas y estables de formaldehido | |
| GB1090666A (en) | Hardening of aminoplasts | |
| CA779392A (en) | Production of solid water-soluble condensation resins derived from urea, formaldehyde and polyamines and which are stable in storage | |
| AU258039B2 (en) | Process for the production of resins from urea, formaldehyde and furfurylalcohol | |
| ES372635A1 (es) | Procedimiento para la preparacion de l-asparaginasa (aspara-ginasa x) parcialmente desaminada. | |
| ES300300A3 (es) | Procedimiento de obtenciën de resinas sinteticas de furano | |
| BE608089A (fr) | Production de formaldéhyde polymère. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PLZ | Patent of addition ceased |