DE1645016B2 - Verfahren zur Herstellung beständiger, wäßriger, konzentrierter Lösungen von Harnstoff-Formaldehyd-Kondensationsprodukten - Google Patents
Verfahren zur Herstellung beständiger, wäßriger, konzentrierter Lösungen von Harnstoff-Formaldehyd-KondensationsproduktenInfo
- Publication number
- DE1645016B2 DE1645016B2 DE19661645016 DE1645016A DE1645016B2 DE 1645016 B2 DE1645016 B2 DE 1645016B2 DE 19661645016 DE19661645016 DE 19661645016 DE 1645016 A DE1645016 A DE 1645016A DE 1645016 B2 DE1645016 B2 DE 1645016B2
- Authority
- DE
- Germany
- Prior art keywords
- formaldehyde
- urea
- aqueous
- concentrated solutions
- solutions
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 27
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 title claims description 18
- 229920001807 Urea-formaldehyde Polymers 0.000 title claims description 14
- 239000007859 condensation product Substances 0.000 title claims description 6
- 238000002360 preparation method Methods 0.000 title claims description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 131
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 24
- 239000004202 carbamide Substances 0.000 claims description 24
- 239000002253 acid Substances 0.000 claims description 19
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 230000007935 neutral effect Effects 0.000 claims description 6
- 238000006386 neutralization reaction Methods 0.000 claims description 5
- 230000020477 pH reduction Effects 0.000 claims description 5
- 150000007513 acids Chemical class 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims 2
- 238000010306 acid treatment Methods 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 claims 1
- 239000000047 product Substances 0.000 description 30
- 239000000853 adhesive Substances 0.000 description 10
- 230000001070 adhesive effect Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 6
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 6
- 239000002956 ash Substances 0.000 description 5
- 239000008098 formaldehyde solution Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N Glycolaldehyde Chemical compound OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 241000257303 Hymenoptera Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 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
- 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)
- Phenolic Resins Or Amino Resins (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT764565 | 1965-08-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1645016A1 DE1645016A1 (de) | 1972-04-27 |
| DE1645016B2 true DE1645016B2 (de) | 1973-10-04 |
Family
ID=11125219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19661645016 Withdrawn DE1645016B2 (de) | 1965-08-02 | 1966-07-27 | Verfahren zur Herstellung beständiger, wäßriger, konzentrierter Lösungen von Harnstoff-Formaldehyd-Kondensationsprodukten |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE684919A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| DE (1) | DE1645016B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3012127A1 (de) * | 1979-03-30 | 1980-10-02 | Int Minerals & Chem Corp | Modifiziertes harnstoff-formaldehyd- harz, ein verfahren zur herstellung dieses harzes und unter verwendung dieses harzes ausgeruestete stoffe |
-
1966
- 1966-07-27 DE DE19661645016 patent/DE1645016B2/de not_active Withdrawn
- 1966-08-01 BE BE684919D patent/BE684919A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3012127A1 (de) * | 1979-03-30 | 1980-10-02 | Int Minerals & Chem Corp | Modifiziertes harnstoff-formaldehyd- harz, ein verfahren zur herstellung dieses harzes und unter verwendung dieses harzes ausgeruestete stoffe |
Also Published As
| Publication number | Publication date |
|---|---|
| BE684919A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-02-01 |
| DE1645016A1 (de) | 1972-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE863411C (de) | Verfahren zur Herstellung elastischer Kunststoffe | |
| DE2334380B1 (de) | Verfahren zur Herstellung eines Holzleims | |
| DE1645016B2 (de) | Verfahren zur Herstellung beständiger, wäßriger, konzentrierter Lösungen von Harnstoff-Formaldehyd-Kondensationsprodukten | |
| DE3875465T2 (de) | Verfahren zum haerten von aminoplastharzen. | |
| DE2542471C3 (de) | Verfahren zur Herstellung schwundarmer Schaumstoffe aus härtbaren Aminoplastkondensaten | |
| DE908905C (de) | Verfahren zur Herstellung von kuenstlichen Faeden oder Fasern aus gegebenenfalls mitMilchcasein gemischtem Pflanzeneiweiss, besonders Sojacasein | |
| DE1103582B (de) | Verfahren zur Herstellung haertbarer Aminotriazin-Kondensations-produkte | |
| DE940383C (de) | Unkrautvernichtungsmittel | |
| CH104801A (de) | Verfahren zur Herstellung einer Kunstmasse aus dem Anfangskondensationsprodukt von Kohlensäureamidverbindungen und Aldehyden. | |
| DE648398C (de) | Verfahren zur Herstellung von leicht loeslichen Paraformaldehydpraeparaten | |
| DE2831528C3 (de) | Verfahren zur Herstellung von Carbamidfuranharz | |
| DE2347401C3 (de) | Harnstoff-Formaldehydharze, Verfahren zu deren Herstellung und deren Verwendung | |
| DE588177C (de) | Verfahren zum Haerten von Proteinoplasten | |
| EP0048877B1 (de) | Verfahren zur Herstellung von Harnstoff-Formaldehyd-Harz-Leimen | |
| DE2637363A1 (de) | Verfahren zur herstellung einer bakteriziden verbindung | |
| AT207022B (de) | Verfahren zur Herstellung eines Kunstharzleimes auf Harnstoff-Formaldehydbasis durch Kondensation | |
| DE829218C (de) | Verfahren zur Herstellung von adsorbierenden Aldehydkunstharzen | |
| DE681781C (de) | Verfahren zur Herstellung von Harzen auf Formaldehyd-Harnstoff-Grunklage | |
| DE2207921B2 (de) | Verfahren zur Herstellung aminoplastischer Holzleime | |
| DE583262C (de) | Verfahren zur Herstellung von Kondensationsprodukten aus Thioharnstoff, Harnstoff und Formaldehyd | |
| DE531277C (de) | Verfahren zur Herstellung von Kondensationsprodukten aus Harnstoff oder dessen Derivaten mit Formaldehyd | |
| DE553502C (de) | Verfahren zur Herstellung von Kondensationsprodukten aus Carbamiden, Thiocarbamiden und deren Derivaten mit Aldehyden, insbesondere Formaldehyd | |
| DE641702C (de) | Verfahren zur Herstellung von harzartigen Kondensationsprodukten | |
| DE540700C (de) | Verfahren zur Darstellung einer organischen Arsenverbindung der Pyrazolonreihe | |
| DE897480C (de) | Verfahren zur Herstellung von Giessharzen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BHJ | Nonpayment of the annual fee |