DE1050541B - Process for the production of resins from melamine, dicyandiamide and paraformaldehyde - Google Patents
Process for the production of resins from melamine, dicyandiamide and paraformaldehydeInfo
- Publication number
- DE1050541B DE1050541B DENDAT1050541D DE1050541DA DE1050541B DE 1050541 B DE1050541 B DE 1050541B DE NDAT1050541 D DENDAT1050541 D DE NDAT1050541D DE 1050541D A DE1050541D A DE 1050541DA DE 1050541 B DE1050541 B DE 1050541B
- Authority
- DE
- Germany
- Prior art keywords
- paraformaldehyde
- dicyandiamide
- melamine
- resins
- production
- 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 5
- 229930040373 Paraformaldehyde Natural products 0.000 title claims description 4
- 229920002866 paraformaldehyde Polymers 0.000 title claims description 4
- 229920005989 resin Polymers 0.000 title claims description 3
- 239000011347 resin Substances 0.000 title claims description 3
- 229920000877 Melamine resin Polymers 0.000 title claims 3
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 title claims 3
- 238000004519 manufacturing process Methods 0.000 title claims 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title claims 2
- 238000010309 melting process Methods 0.000 claims 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical class NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical class NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- -1 aryl sulfonic acids Chemical class 0.000 description 1
- 235000013877 carbamide Nutrition 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical class C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000006467 substitution reaction Methods 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
- C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08G12/34—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds and acyclic or carbocyclic compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08L61/30—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic and acyclic or carbocyclic compounds
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/08—Chemical tanning by organic agents
- C14C3/18—Chemical tanning by organic agents using polycondensation products or precursors thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Description
Anmelder:Applicant:
Farbenfabriken Bayer Aktiengesellschaft, Leverkusen-BayerwerkPaint factories Bayer Aktiengesellschaft, Leverkusen-Bayerwerk
Dr. Bruno Zorn, Köln-Deutz,
und Dr. Gustav Mauthe, Opladen,
sind als Erfinder genannt wordenDr. Bruno Zorn, Cologne-Deutz,
and Dr. Gustav Mauthe, Opladen,
have been named as inventors
Kondensation in der Schmelze zwischen 70 und 200° C, vorzugsweise zwischen 100 und 130° C, durchgeführt wird und daß vor, während oder nach der Kondensation zur Löslichmachung des Harzes ein nicht saures wasserlösliches Metallsalz von Arylsulfonsäuren, besonders mit Formaldehyd kondensierten Naphthalinsulfonsäuren, zugesetzt wird.Condensation in the melt between 70 and 200 ° C, preferably between 100 and 130 ° C, is carried out and that before, during or after the condensation to solubilize the Resin is a non-acidic, water-soluble metal salt of aryl sulfonic acids, especially with formaldehyde condensed naphthalenesulfonic acids, is added.
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß zur Kondensation an Stelle von Harnstoff substituierte Harnstoffe, Thioharnstoff oder dessen Substitutionsprodukte verwendet werden.2. The method according to claim 1, characterized in that for condensation in place of Urea-substituted ureas, thiourea or its substitution products are used will.
3. Verfahren nach Anspruch 1 und 2, dadurch gekennzeichnet, daß ein Verhältnis von aminoplastbildenden Komponenten zu Paraformaldehyd in den Grenzen von 1:0,5 und 1:8 angewandt wird.3. The method according to claim 1 and 2, characterized in that a ratio of aminoplast-forming Components for paraformaldehyde used in the limits of 1: 0.5 and 1: 8 will.
4. Verfahren nach Anspruch 1 und 2, dadurch gekennzeichnet, daß zwecks Reaktionsbeschleunigung alkalische Katalysatoren zugefügt werden.4. The method according to claim 1 and 2, characterized in that for the purpose of accelerating the reaction alkaline catalysts are added.
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1050541B true DE1050541B (en) | 1959-02-12 |
Family
ID=590918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT1050541D Pending DE1050541B (en) | Process for the production of resins from melamine, dicyandiamide and paraformaldehyde |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1050541B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1183683B (en) * | 1960-03-22 | 1964-12-17 | Boehme Fettchemie Gmbh | Process for the production of higher molecular weight condensation products for tanning purposes |
| DE1187015B (en) | 1959-10-29 | 1965-02-11 | Nopco Chem Co | Process for the production of modified higher molecular weight condensation products |
-
0
- DE DENDAT1050541D patent/DE1050541B/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1187015B (en) | 1959-10-29 | 1965-02-11 | Nopco Chem Co | Process for the production of modified higher molecular weight condensation products |
| DE1183683B (en) * | 1960-03-22 | 1964-12-17 | Boehme Fettchemie Gmbh | Process for the production of higher molecular weight condensation products for tanning purposes |
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