DE1519147A1 - Aqueous stoving enamels - Google Patents
Aqueous stoving enamelsInfo
- Publication number
- DE1519147A1 DE1519147A1 DE19651519147 DE1519147A DE1519147A1 DE 1519147 A1 DE1519147 A1 DE 1519147A1 DE 19651519147 DE19651519147 DE 19651519147 DE 1519147 A DE1519147 A DE 1519147A DE 1519147 A1 DE1519147 A1 DE 1519147A1
- Authority
- DE
- Germany
- Prior art keywords
- esters
- acid
- stoving enamels
- aqueous stoving
- weight
- 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
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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/52—Polycarboxylic acids or polyhydroxy compounds in which at least one of the two components contains aliphatic unsaturation
- C08G63/54—Polycarboxylic acids or polyhydroxy compounds in which at least one of the two components contains aliphatic unsaturation the acids or hydroxy compounds containing carbocyclic rings
- C08G63/553—Acids or hydroxy compounds containing cycloaliphatic rings, e.g. Diels-Alder adducts
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Polyesters Or Polycarbonates (AREA)
Description
Wäßrige Einbrennlacke Zusatz zu Patent....... (Anm. F 46 426 IVc/22g) Gegenstand der Patentanmeldung F 46 426 IVc/22g sind wäßrige Einbrennlacke auf der Grundlage von Aminsalzen von Halbestern hydroxylgruppenhaltiger, fettsäuremodifizierter Alkydharze mit Säurezahlen unter 15, die Polyole und Dicarbonsäuren im Molverhältnis zwischen etwa 1 : 1 und 1, 3 : 1 einkondensiert enthalten, gegebenenfalls mit einem Gehalt an mit Wasser mischbaren organischen Lösungsmitteln oder/und Aminoplasten und vorzugsweise Pigmenten, die. dadurch gekennzeichnet sind, daß die Halbester Tetrahydrophthalsäurehalbester sind. Aqueous stoving enamels Addition to patent ....... (Note F 46 426 IVc / 22g) The subject of patent application F 46 426 IVc / 22g are aqueous stoving enamels on the Based on amine salts of half-esters containing hydroxyl groups, fatty acid-modified Alkyd resins with acid numbers below 15, the polyols and dicarboxylic acids in a molar ratio contained between about 1: 1 and 1, 3: 1 condensed in, optionally with a Content of water-miscible organic solvents and / or aminoplasts and preferably pigments that. are characterized in that the half-esters Are tetrahydrophthalic acid half esters.
Es wurde nun gefunden, daB solche wäBrigen Einbrennlacke anstelle der Halbester mit Tetrahydrophthalsäure Halbester mit Endomethylentetrahydrophthalsäure enthalten können.It has now been found that such aqueous stoving enamels are used instead the half ester with tetrahydrophthalic acid half ester with endomethylenetetrahydrophthalic acid may contain.
Beispiel : 136, 0 Gewichtsteile Pentaerythrit, 126, 2 Gewichtsteile natürliche Vorlauffettsäure mit der Säurezahl 340-350 und 134, 5 Gewichtsteile Phthalsäureanhydrid werden in einer Stickstoffatmosphäre unter Rühren solange bei 220°C kondensiert, bis ein Alkydharz mit der Säurezahl 6 und der Viskosität 233 Sekunden (40 % ig in Xylol gemessen nach DIN 53 211) erhalten wird. 366, 1 Gewichtsteile dieses Polyol und Dicarbonsäure im Molverhältnis 1, 1 : 1 enthaltenden wasserlöslichen Alkydhärzes werden mit 39,1 Gewichtsteilen Endomethylentetrahydrophthalsäureanhydrid bei 160°C umgesetzt, bis ein Harz mit der Säurezahl 40 entstanden ist, das 63, 5 sig in Åthylenglycolmonobutyläther gelöst wird. Nach dem Abkühlen auf Raumtemperatur wird die Lösung mit Dimethyläthanolamin in solchen Mengen versetzt und mit Wasser auf 55 % Alkydharzgehalt verdünnt, daß eine weitere Verdunnung dieser Lösung mit Wasser auf 30 % einen pH-Wert von 6, 8-7, 0 (gemessen mit Merck-Spezial-Indikatorpapier p.-Bereich 6, 4-8, 0) hat.Example: 136.0 parts by weight pentaerythritol, 126.2 parts by weight natural first run fatty acids with acid numbers 340-350 and 134, 5 Parts by weight Phthalic anhydride are kept in a nitrogen atmosphere while stirring 220 ° C condenses until an alkyd resin with an acid number of 6 and a viscosity of 233 Seconds (40% in xylene measured according to DIN 53 211) is obtained. 366, 1 part by weight water-soluble containing this polyol and dicarboxylic acid in a molar ratio of 1.1: 1 Alkyd resins are made with 39.1 parts by weight of endomethylenetetrahydrophthalic anhydride reacted at 160 ° C until a resin with the acid number 40 is formed, the 63.5 sig is dissolved in ethylene glycol monobutyl ether. After cooling to room temperature the solution is mixed with dimethylethanolamine in such amounts and with water diluted to 55% alkyd resin content that a further dilution of this solution with Water to 30% a pH value of 6.8-7.0 (measured with Merck special indicator paper p. range 6, 4-8, 0).
Ein Lack aus 45, 4 Gewichtsteilen der 55 %igen Lösung, 15, 0 Gewichtsteilen Titandioxid (Rutil), 8,4 Gewichtsteilen einer üblichen 60 % igen wäßrigen Lösung eines Melaminharzes, wie sie als Härtungskomponente für wasserverdunnbare Einbrennlacke durch Kondensieren von Melamin mit Formaldehyd und Veräthern der Methylolgruppen mittels Methanol erhalten werden, mit einer Viskosität von 25 Sekunden und 31, 2 Gewichtsteilen Wasser wird nach einer Reifezeit von 72 Stunden mit einer Spritzpistole auf Bleche aufgebracht. Die lackierten Bleche werden nach einer Ablüftungazeit von 10 Minuten 30 Minuten lang bei 150°C eingebrannt. Man erhält gut ausgehärtete, weiße Lackierungen mit einem Glanzgrad von 68.A lacquer from 45.4 parts by weight of the 55% solution, 15.0 parts by weight Titanium dioxide (rutile), 8.4 parts by weight of a customary 60% strength aqueous solution a melamine resin, as used as a hardening component for water-thinnable stoving enamels by condensing melamine with formaldehyde and etherifying the methylol groups can be obtained by means of methanol, with a viscosity of 25 seconds and 31.2 Parts by weight of water are sprayed with a spray gun after a maturing time of 72 hours applied to metal sheets. The painted sheets are after a ventilation time of Baked for 10 minutes 30 minutes at 150 ° C. Well cured, white ones are obtained Paintwork with a gloss level of 68.
Claims (1)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF0046426 | 1965-06-24 | ||
| DEF0046889 | 1965-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1519147A1 true DE1519147A1 (en) | 1970-09-03 |
Family
ID=25976837
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19651519146 Pending DE1519146A1 (en) | 1965-06-24 | 1965-06-24 | Aqueous stoving enamels |
| DE19651519147 Pending DE1519147A1 (en) | 1965-06-24 | 1965-08-13 | Aqueous stoving enamels |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19651519146 Pending DE1519146A1 (en) | 1965-06-24 | 1965-06-24 | Aqueous stoving enamels |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT278206B (en) |
| BE (1) | BE682926A (en) |
| CH (1) | CH463670A (en) |
| DE (2) | DE1519146A1 (en) |
| DK (1) | DK119718B (en) |
| ES (1) | ES328204A1 (en) |
| FR (1) | FR1484344A (en) |
| GB (1) | GB1095953A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2930734A1 (en) | 1979-07-28 | 1981-02-12 | Bayer Ag | WATER-SOLUBLE, AIR-DRYING ALKYD RESINS, METHOD FOR THEIR PRODUCTION AND THEIR USE AS A BASIS FOR LOW-YELLOW PAINT |
| DE3115072A1 (en) * | 1981-04-14 | 1982-11-04 | Bayer Ag, 5090 Leverkusen | METHOD FOR PRODUCING POLYESTERS OR ALKYD RESINS, RESINS AVAILABLE BY THIS PROCESS AND THE USE THEREOF AS A PAINT CONTAINER |
| AT369028B (en) * | 1981-06-12 | 1982-11-25 | Vianova Kunstharz Ag | METHOD FOR THE PRODUCTION OF AIR- AND OVEN-DRYING WATER-DETUMABLE VARNISH BINDERS |
| GB2136007B (en) * | 1982-12-30 | 1987-04-23 | Nippon Paint Co Ltd | Resinous composition its preparation and coating composition containing the same |
| AT384933B (en) * | 1984-05-04 | 1988-01-25 | Haas Franz Waffelmasch | METHOD AND DEVICE FOR THE PRODUCTION OF ROLLED, PREFERABLY CONE-SHAPED CAVES |
| US5552475A (en) * | 1993-10-04 | 1996-09-03 | Ppg Industries, Inc. | Waterborne polyesters having improved saponification resistance |
| CN115677991A (en) * | 2022-11-04 | 2023-02-03 | 江苏三木化工股份有限公司 | Water-based alkyd resin with high solid content and high flash point baking varnish and preparation method thereof |
-
1965
- 1965-06-24 DE DE19651519146 patent/DE1519146A1/en active Pending
- 1965-08-13 DE DE19651519147 patent/DE1519147A1/en active Pending
-
1966
- 1966-04-20 CH CH571966A patent/CH463670A/en unknown
- 1966-06-21 ES ES0328204A patent/ES328204A1/en not_active Expired
- 1966-06-22 BE BE682926D patent/BE682926A/xx unknown
- 1966-06-22 FR FR66518A patent/FR1484344A/en not_active Expired
- 1966-06-22 DK DK321866A patent/DK119718B/en unknown
- 1966-06-23 AT AT598966A patent/AT278206B/en not_active IP Right Cessation
- 1966-06-24 GB GB2844366A patent/GB1095953A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK119718B (en) | 1971-02-15 |
| FR1484344A (en) | 1967-06-09 |
| AT278206B (en) | 1970-01-26 |
| DE1519146A1 (en) | 1969-12-11 |
| BE682926A (en) | 1966-12-22 |
| CH463670A (en) | 1968-10-15 |
| ES328204A1 (en) | 1967-08-01 |
| GB1095953A (en) | 1967-12-20 |
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