BR112012012664A2 - process for the preparation of (meth) acrylates, (meth) acrylic acid ester, use of (meth) acrylic acid esters, and use of dispersions - Google Patents
process for the preparation of (meth) acrylates, (meth) acrylic acid ester, use of (meth) acrylic acid esters, and use of dispersionsInfo
- Publication number
- BR112012012664A2 BR112012012664A2 BR112012012664A BR112012012664A BR112012012664A2 BR 112012012664 A2 BR112012012664 A2 BR 112012012664A2 BR 112012012664 A BR112012012664 A BR 112012012664A BR 112012012664 A BR112012012664 A BR 112012012664A BR 112012012664 A2 BR112012012664 A2 BR 112012012664A2
- Authority
- BR
- Brazil
- Prior art keywords
- meth
- acrylic acid
- acrylates
- dispersions
- preparation
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
processo para a preparação de (met) acrilatos, éster do ácido (met) acrílico, uso de ésteres do ácido (met) acrílico, e,uso de dispersões. a invenção refere-se a um método para a produção de (met) acrilatos de misturas de álcool-c~ 17~ por meio de conversão de ácido (met) acrílico com uma mistura de álcool-c~ 17~, na presença de pelo menos um catalisador ácido e pelo menos um inibidor de polimerização e na presença de um solvente formando um azeótropo com água, em que a esterificação é realizada num reator com um evaporador de circulação, o azeótropo é destilado para fora e condensado, o condensado degrada-se em uma fase orgânica e aquosa e, em que a mistura de álcool-c~ 17~ compreende um nível médio de ramificação (índice iso) de 2,8 a 3,7.process for the preparation of (meth) acrylates, (meth) acrylic acid ester, use of (meth) acrylic acid esters, and use of dispersions. The invention relates to a method for the production of (meth) acrylates from C17-alcohol mixtures by converting (meth) acrylic acid with a C17-alcohol mixture in the presence of at least least one acid catalyst and at least one polymerization inhibitor and in the presence of a solvent forming an azeotrope with water, where esterification is carried out in a reactor with a circulating evaporator, the azeotrope is distilled out and condensed, the condensate degrades. in an organic and aqueous phase and wherein the C17-17 alcohol mixture comprises an average branch level (iso index) of 2.8 to 3.7.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US26470409A | 2009-11-27 | 2009-11-27 | |
DE102009047228A DE102009047228A1 (en) | 2009-11-27 | 2009-11-27 | Process for the preparation of (meth) acrylates of C17-alcohol mixtures |
PCT/EP2010/067986 WO2011064190A1 (en) | 2009-11-27 | 2010-11-23 | Method for producing (meth)acrylates from c17 alcohol mixtures |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112012012664A2 true BR112012012664A2 (en) | 2016-07-12 |
Family
ID=56355264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112012012664A BR112012012664A2 (en) | 2009-11-27 | 2010-11-23 | process for the preparation of (meth) acrylates, (meth) acrylic acid ester, use of (meth) acrylic acid esters, and use of dispersions |
Country Status (1)
Country | Link |
---|---|
BR (1) | BR112012012664A2 (en) |
-
2010
- 2010-11-23 BR BR112012012664A patent/BR112012012664A2/en not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B09B | Patent application refused [chapter 9.2 patent gazette] | ||
B12B | Appeal against refusal [chapter 12.2 patent gazette] | ||
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 11A ANUIDADE. |
|
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 DESOACHO 8.6 RPI 2645 DE 14/09/2021. |