DE2454769A1 - Verfahren zur herstellung reaktionsfaehiger harnstoff-formaldehyd-kondensationsprodukte - Google Patents
Verfahren zur herstellung reaktionsfaehiger harnstoff-formaldehyd-kondensationsprodukteInfo
- Publication number
- DE2454769A1 DE2454769A1 DE19742454769 DE2454769A DE2454769A1 DE 2454769 A1 DE2454769 A1 DE 2454769A1 DE 19742454769 DE19742454769 DE 19742454769 DE 2454769 A DE2454769 A DE 2454769A DE 2454769 A1 DE2454769 A1 DE 2454769A1
- Authority
- DE
- Germany
- Prior art keywords
- formaldehyde
- urea
- solution
- molar ratio
- concentration
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 10
- 229920001807 Urea-formaldehyde Polymers 0.000 title description 3
- 239000007859 condensation product Substances 0.000 title description 3
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 title description 2
- 238000002360 preparation method Methods 0.000 title 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 111
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 35
- 239000004202 carbamide Substances 0.000 claims description 35
- 239000000243 solution Substances 0.000 claims description 30
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000008098 formaldehyde solution Substances 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 239000003929 acidic solution Substances 0.000 claims description 2
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 2
- 235000013877 carbamide Nutrition 0.000 description 31
- 229920005989 resin Polymers 0.000 description 18
- 239000011347 resin Substances 0.000 description 18
- -1 methylol groups Chemical group 0.000 description 14
- 229920003180 amino resin Polymers 0.000 description 11
- 239000003292 glue Substances 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000009833 condensation Methods 0.000 description 8
- 230000005494 condensation Effects 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 230000002378 acidificating effect Effects 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000004753 textile Substances 0.000 description 4
- VGGLHLAESQEWCR-UHFFFAOYSA-N N-(hydroxymethyl)urea Chemical compound NC(=O)NCO VGGLHLAESQEWCR-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Natural products OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 239000000123 paper 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
- 239000002253 acid Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011093 chipboard Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012470 diluted sample Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004836 empirical method Methods 0.000 description 1
- 238000006266 etherification reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 150000003672 ureas Chemical class 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742454769 DE2454769A1 (de) | 1974-11-19 | 1974-11-19 | Verfahren zur herstellung reaktionsfaehiger harnstoff-formaldehyd-kondensationsprodukte |
| FR7535080A FR2291994A1 (fr) | 1974-11-19 | 1975-11-17 | Procede de preparation de produits reactifs de condensation de l'uree et du formaldehyde |
| BE161995A BE835720A (fr) | 1974-11-19 | 1975-11-19 | Procede de preparation de produits reactifs de condensation de l'uree et du formaldehyde |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742454769 DE2454769A1 (de) | 1974-11-19 | 1974-11-19 | Verfahren zur herstellung reaktionsfaehiger harnstoff-formaldehyd-kondensationsprodukte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2454769A1 true DE2454769A1 (de) | 1976-05-26 |
Family
ID=5931221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742454769 Pending DE2454769A1 (de) | 1974-11-19 | 1974-11-19 | Verfahren zur herstellung reaktionsfaehiger harnstoff-formaldehyd-kondensationsprodukte |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE835720A (enExample) |
| DE (1) | DE2454769A1 (enExample) |
| FR (1) | FR2291994A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0001596A3 (en) * | 1977-10-26 | 1979-07-11 | Basf Aktiengesellschaft | Process for the production of wood glue |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1570339A (en) * | 1976-06-23 | 1980-06-25 | Ici Ltd | Process for producing aqueous-formaldehyde resin solutions |
-
1974
- 1974-11-19 DE DE19742454769 patent/DE2454769A1/de active Pending
-
1975
- 1975-11-17 FR FR7535080A patent/FR2291994A1/fr active Granted
- 1975-11-19 BE BE161995A patent/BE835720A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0001596A3 (en) * | 1977-10-26 | 1979-07-11 | Basf Aktiengesellschaft | Process for the production of wood glue |
Also Published As
| Publication number | Publication date |
|---|---|
| BE835720A (fr) | 1976-05-19 |
| FR2291994B1 (enExample) | 1978-10-06 |
| FR2291994A1 (fr) | 1976-06-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHN | Withdrawal |