BE684607A - - Google Patents
Info
- Publication number
- BE684607A BE684607A BE684607DA BE684607A BE 684607 A BE684607 A BE 684607A BE 684607D A BE684607D A BE 684607DA BE 684607 A BE684607 A BE 684607A
- Authority
- BE
- Belgium
- Prior art keywords
- formaldehyde
- solutions
- urea
- sep
- solution
- Prior art date
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 64
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims description 36
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 24
- 238000000465 moulding Methods 0.000 claims description 23
- 239000004202 carbamide Substances 0.000 claims description 22
- 239000004312 hexamethylene tetramine Substances 0.000 claims description 18
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims description 18
- 229960004011 methenamine Drugs 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 14
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 11
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 4
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 48
- 239000000843 powder Substances 0.000 description 14
- 229920001807 Urea-formaldehyde Polymers 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000012467 final product Substances 0.000 description 9
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 9
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 9
- 239000000047 product Substances 0.000 description 8
- 239000002253 acid Substances 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 235000019253 formic acid Nutrition 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 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 4
- 230000002745 absorbent Effects 0.000 description 4
- 239000002250 absorbent Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000006188 syrup Substances 0.000 description 3
- 235000020357 syrup Nutrition 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 235000019846 buffering salt Nutrition 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000008098 formaldehyde solution Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 101100260565 Dictyostelium discoideum thyA gene Proteins 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 150000004675 formic acid derivatives Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 101150068774 thyX gene Proteins 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT740165 | 1965-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE684607A true BE684607A (d) | 1967-01-26 |
Family
ID=11125037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE684607D BE684607A (d) | 1965-07-27 | 1966-07-26 |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE684607A (d) |
-
1966
- 1966-07-26 BE BE684607D patent/BE684607A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Baekeland | The synthesis, constitution, and uses of Bakelite. | |
| CN104162625B (zh) | 一种铸造用粘结剂及其制备方法 | |
| FR2517312A1 (fr) | Procede de preparation d'acetate de cellulose | |
| BE684607A (d) | ||
| EP0323311B1 (fr) | Procédé de fabrication des colles de résines aqueuses urée-formol | |
| US1932255A (en) | Molding composition of fibrous vegetable material and furfural | |
| US1458543A (en) | Condensation product and method of making same | |
| US1514508A (en) | Amorphous product and process of making same | |
| CA1150894A (fr) | Resine polyester insaturee pour preimpregne presentant une vitesse de murissement accelere; procede de fabrication de cette resine | |
| US2016285A (en) | Manufacture of condensation products | |
| US2016199A (en) | Drying reaction product of ureas and aldehydes | |
| US1355834A (en) | Manufacture of aldehyde condensation product capable of technical utilization | |
| US942809A (en) | Condensation product and method of making same. | |
| US1107003A (en) | Manufacture of elastic plastic masses. | |
| US598914A (en) | durkopf | |
| US654988A (en) | Process of making acetyl cellulose. | |
| SU7403A1 (ru) | Способ изготовлени формованных изделий из синтетических смол | |
| US1221058A (en) | Fermentation of sulfite waste liquor. | |
| BE516166A (d) | ||
| BE377454A (d) | ||
| US845378A (en) | Method of obtaining cellulose. | |
| US998858A (en) | Process of rendering sawdust absorbent. | |
| US2222028A (en) | Process of making artificial bodies from urea and formic aldehyde | |
| US1238528A (en) | Process of making plastic masses. | |
| USRE10823E (en) | Eugen schaal |