BR0316676A - Aqueous coating composition, and method for making the same - Google Patents
Aqueous coating composition, and method for making the sameInfo
- Publication number
- BR0316676A BR0316676A BR0316676-7A BR0316676A BR0316676A BR 0316676 A BR0316676 A BR 0316676A BR 0316676 A BR0316676 A BR 0316676A BR 0316676 A BR0316676 A BR 0316676A
- Authority
- BR
- Brazil
- Prior art keywords
- alkyd
- making
- crosslinking
- coating composition
- same
- Prior art date
Links
Landscapes
- Paints Or Removers (AREA)
Abstract
"COMPOSIçãO DE REVESTIMENTO AQUOSA, E, MéTODO PARA FAZER A MESMA". Composições de revestimento aquosas auto-reticuláveis são descritas compreendendo um composto alquídico dispersável em água tendo funcionalidade sulfonato e acetoacetato, uma amina primária bi- ou poli-funcional adequada, e uma amina primária monofuncional ou secundária cicloalifática monofuncional. A reticulação da composição inclui cura oxidativa através de segmentos de ácido graxo do composto alquídico, e reticulação através de reação entre os grupos acetoacetato do composto alquídico e os grupos de amina primária da amina polifuncional. Os sistemas alquídicos aquosos descritos não requerem a presença de aminas para o propósito de dispersão dos compostos alquídicos, enquanto exibem tempos superiores livres de pegajosidade e de secagem quando usados nas composições de revestimento. Níveis de performance são alcançados, que tinham requerido aumentos no peso molecular e Tg, com um aumento concomitante nos níveis de VOC. Também descritos são métodos para fazer as composições da invenção."WATER COATING COMPOSITION, AND METHOD FOR MAKING THE SAME". Self-crosslinking aqueous coating compositions are described comprising a water dispersible alkyd compound having sulfonate and acetoacetate functionality, a suitable bi- or polyfunctional primary amine, and a monofunctional monofunctional or cycloaliphatic secondary amine. Crosslinking of the composition includes oxidative curing through fatty acid segments of the alkyd compound, and crosslinking through reaction between the acetoacetate groups of the alkyd compound and the primary amine groups of the polyfunctional amine. The described aqueous alkyd systems do not require the presence of amines for the purpose of dispersing the alkyd compounds, while exhibiting longer tackiness and drying times when used in the coating compositions. Performance levels are achieved, which had required increases in molecular weight and Tg, with a concomitant increase in VOC levels. Also described are methods for making the compositions of the invention.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34272202A | 2002-12-19 | 2002-12-19 | |
PCT/US2003/039316 WO2004061026A1 (en) | 2002-12-19 | 2003-12-10 | Self-crosslinking aqueous acetoacetate-functionalized sulfonated alkyd systems |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0316676A true BR0316676A (en) | 2005-10-11 |
Family
ID=35062852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0316676-7A BR0316676A (en) | 2002-12-19 | 2003-12-10 | Aqueous coating composition, and method for making the same |
Country Status (1)
Country | Link |
---|---|
BR (1) | BR0316676A (en) |
-
2003
- 2003-12-10 BR BR0316676-7A patent/BR0316676A/en not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE AS 7A E 8A ANUIDADES. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2160 DE 29/05/2012. |