DE1595445A1 - Harze fuer elektrische UEberzuege - Google Patents
Harze fuer elektrische UEberzuegeInfo
- Publication number
- DE1595445A1 DE1595445A1 DE19661595445 DE1595445A DE1595445A1 DE 1595445 A1 DE1595445 A1 DE 1595445A1 DE 19661595445 DE19661595445 DE 19661595445 DE 1595445 A DE1595445 A DE 1595445A DE 1595445 A1 DE1595445 A1 DE 1595445A1
- Authority
- DE
- Germany
- Prior art keywords
- melamine
- resin
- acid
- etherified
- water
- 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
- 229920005989 resin Polymers 0.000 title claims description 25
- 239000011347 resin Substances 0.000 title claims description 25
- 238000000576 coating method Methods 0.000 title description 17
- 229920000877 Melamine resin Polymers 0.000 claims description 27
- 239000002253 acid Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical group NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 9
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 8
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Substances O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 8
- 239000003973 paint Substances 0.000 claims description 5
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 claims description 4
- 238000006467 substitution reaction Methods 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims 1
- 150000007974 melamines Chemical class 0.000 claims 1
- 150000007530 organic bases Chemical class 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 61
- 238000006243 chemical reaction Methods 0.000 description 21
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 19
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 15
- 239000000203 mixture Substances 0.000 description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 239000000047 product Substances 0.000 description 12
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 12
- 239000003054 catalyst Substances 0.000 description 9
- BNCADMBVWNPPIZ-UHFFFAOYSA-N 2-n,2-n,4-n,4-n,6-n,6-n-hexakis(methoxymethyl)-1,3,5-triazine-2,4,6-triamine Chemical compound COCN(COC)C1=NC(N(COC)COC)=NC(N(COC)COC)=N1 BNCADMBVWNPPIZ-UHFFFAOYSA-N 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 6
- PTBDIHRZYDMNKB-UHFFFAOYSA-N 2,2-Bis(hydroxymethyl)propionic acid Chemical compound OCC(C)(CO)C(O)=O PTBDIHRZYDMNKB-UHFFFAOYSA-N 0.000 description 5
- KFVIYKFKUYBKTP-UHFFFAOYSA-N 2-n-(methoxymethyl)-1,3,5-triazine-2,4,6-triamine Chemical compound COCNC1=NC(N)=NC(N)=N1 KFVIYKFKUYBKTP-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 239000004640 Melamine resin Substances 0.000 description 5
- 150000007513 acids Chemical class 0.000 description 5
- 239000007795 chemical reaction product Substances 0.000 description 5
- 238000004821 distillation Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 239000011541 reaction mixture Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 4
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 4
- 229920000180 alkyd Polymers 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 238000006266 etherification reaction Methods 0.000 description 3
- 239000004310 lactic acid Substances 0.000 description 3
- 235000014655 lactic acid Nutrition 0.000 description 3
- 150000007965 phenolic acids Chemical class 0.000 description 3
- 229920001568 phenolic resin Polymers 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- YGCOKJWKWLYHTG-UHFFFAOYSA-N [[4,6-bis[bis(hydroxymethyl)amino]-1,3,5-triazin-2-yl]-(hydroxymethyl)amino]methanol Chemical compound OCN(CO)C1=NC(N(CO)CO)=NC(N(CO)CO)=N1 YGCOKJWKWLYHTG-UHFFFAOYSA-N 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 238000004070 electrodeposition Methods 0.000 description 2
- 238000001879 gelation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 125000004184 methoxymethyl group Chemical group [H]C([H])([H])OC([H])([H])* 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000008601 oleoresin Substances 0.000 description 2
- 235000009048 phenolic acids Nutrition 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- PHZWRVNATIEBSG-UHFFFAOYSA-N 2-N-(methoxymethyl)-2-N-methyl-1,3,5-triazine-2,4,6-triamine Chemical class CN(C1=NC(=NC(=N1)N)N)COC PHZWRVNATIEBSG-UHFFFAOYSA-N 0.000 description 1
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
- 229940093475 2-ethoxyethanol Drugs 0.000 description 1
- HOSGXJWQVBHGLT-UHFFFAOYSA-N 6-hydroxy-3,4-dihydro-1h-quinolin-2-one Chemical group N1C(=O)CCC2=CC(O)=CC=C21 HOSGXJWQVBHGLT-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 241000795633 Olea <sea slug> Species 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Substances CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- MBHRHUJRKGNOKX-UHFFFAOYSA-N [(4,6-diamino-1,3,5-triazin-2-yl)amino]methanol Chemical class NC1=NC(N)=NC(NCO)=N1 MBHRHUJRKGNOKX-UHFFFAOYSA-N 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 229960002887 deanol Drugs 0.000 description 1
- 239000012972 dimethylethanolamine Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005370 electroosmosis Methods 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 125000005909 ethyl alcohol group Chemical group 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 description 1
- 150000001261 hydroxy acids Chemical class 0.000 description 1
- HSMPDPBYAYSOBC-UHFFFAOYSA-N khellin Chemical compound O1C(C)=CC(=O)C2=C1C(OC)=C1OC=CC1=C2OC HSMPDPBYAYSOBC-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- -1 melamine methoxymethyl melamine Chemical compound 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- KVBGVZZKJNLNJU-UHFFFAOYSA-N naphthalene-2-sulfonic acid Chemical compound C1=CC=CC2=CC(S(=O)(=O)O)=CC=C21 KVBGVZZKJNLNJU-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
- C09D5/4419—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications with polymers obtained otherwise than by polymerisation reactions only involving carbon-to-carbon unsaturated bonds
- C09D5/4469—Phenoplasts; Aminoplasts
-
- 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
- C08G12/40—Chemically modified polycondensates
- C08G12/42—Chemically modified polycondensates by etherifying
- C08G12/424—Chemically modified polycondensates by etherifying of polycondensates based on heterocyclic compounds
- C08G12/425—Chemically modified polycondensates by etherifying of polycondensates based on heterocyclic compounds based on triazines
- C08G12/427—Melamine
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C09D161/32—Modified amine-aldehyde condensates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Paints Or Removers (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4311865 | 1965-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1595445A1 true DE1595445A1 (de) | 1970-03-19 |
Family
ID=10427394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19661595445 Pending DE1595445A1 (de) | 1965-10-11 | 1966-09-05 | Harze fuer elektrische UEberzuege |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT279165B (enrdf_load_stackoverflow) |
| DE (1) | DE1595445A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1102384A (enrdf_load_stackoverflow) |
| NL (1) | NL6614313A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2336459A1 (fr) * | 1975-12-22 | 1977-07-22 | Scm Corp | Compositions d'electrodeposition cathodique et procedes d'utilisation |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3025352A1 (de) | 1980-07-04 | 1982-02-04 | Basf Ag, 6700 Ludwigshafen | Alkoxialkylaminotriazin-umetherungsprodukte und ihre verwendung |
| US4528333A (en) * | 1984-03-28 | 1985-07-09 | Ppg Industries, Inc. | Curable, iminated resins from aminoplasts and hydroxyl-containing carboxylic acids |
-
1965
- 1965-10-11 GB GB4611865A patent/GB1102384A/en not_active Expired
-
1966
- 1966-09-05 DE DE19661595445 patent/DE1595445A1/de active Pending
- 1966-10-04 AT AT927766A patent/AT279165B/de not_active IP Right Cessation
- 1966-10-11 NL NL6614313A patent/NL6614313A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2336459A1 (fr) * | 1975-12-22 | 1977-07-22 | Scm Corp | Compositions d'electrodeposition cathodique et procedes d'utilisation |
Also Published As
| Publication number | Publication date |
|---|---|
| AT279165B (de) | 1970-02-25 |
| NL6614313A (enrdf_load_stackoverflow) | 1967-04-12 |
| GB1102384A (en) | 1968-02-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0259592A1 (de) | Wasserverdünnbare Beschichtungszusammensetzungen | |
| DE2235051C3 (de) | Verfahren zur Herstellung von Novolaken | |
| DE1920496A1 (de) | Verfahren zur Herstellung wasserloeslicher Kunstharze | |
| DE1811875A1 (de) | Waessrige elektrisch abscheidbare UEberzugsemulsionen | |
| DE2430899C3 (de) | Verfahren zur Herstellung von niedrigviskosen körperreichen Melaminharz-Lösungen mit geringem Gehalt an freiem Formaldehyd | |
| DE2063245A1 (de) | Verfahren zur kontinuierlichen Her stellung von Novolakharzen | |
| DE1595445A1 (de) | Harze fuer elektrische UEberzuege | |
| DE2805936A1 (de) | Kathodisch abscheidbare ueberzugsmittel | |
| CH434328A (de) | Verfahren zur Herstellung von Deckbelägen | |
| DE953120C (de) | Verfahren zur Herstellung von haertbaren Copolymerisaten | |
| DE1669287A1 (de) | Wasserverduennbare UEberzugsmassen und Lackbindemittel | |
| DE1745340A1 (de) | Verfahren zur Herstellung von Alkydharzen hoher Viskositaet | |
| DE719872C (de) | Verfahren zur Herstellung von Cellulosederivate enthaltenden Asphaltlacken | |
| DE720759C (de) | Verfahren zur Herstellung von Kunstharzen | |
| DE442211C (de) | Verfahren zur Herstellung von fluessigen Kondensationsprodukten aus Phenolen und Formaldehyd | |
| DE1795043A1 (de) | Epoxypolyesterharze,sowie UEberzugsmassen,die diese Harze enthalten | |
| DE3014196A1 (de) | Partiell cyclisierte addukte aus fluessigem polybutadien und maleinsaeureanhydrid, ein verfahren zu ihrer herstellung sowie ihre verwendung | |
| AT306889B (de) | Wasserverdünnbares Überzugsmittel | |
| DE916469C (de) | Verfahren zur Herstellung von Lackharzen | |
| DE2114787A1 (de) | Verfahren zur Konzentrierung von Anstrichmassen | |
| DE672957C (de) | Verfahren zur Herstellung von Harnstoff-Formaldehyd-Kondensationsprodukten | |
| DD281918A7 (de) | Verfahren zur herstellung von novolaken mit weitgehend regelmaessigem molekuelaufbau | |
| DE570486C (de) | Verfahren zur Herstellung von Lacken und Anstrichmitteln | |
| DE561185C (de) | Verfahren zur Herstellung von harzartigen Kondensationsprodukten | |
| DE1618281C (de) | Verfahren zum Reinigen von Glyoxal |