Procédé de production de polycétone
| N° de brevet: |
EP1894960 (A1) |
| Date de publication: |
2008-03-05 |
| Inventeur(s): |
CHO HAE-SOUK [KR];CHOI JONG-IN [KR];SHIM JAE-YOON [KR];YOON SUNG-KYUN [KR];JANG JEAN-YOUNG [KR];KIM HEON-SU [KR]; |
| Demandeur(s): |
HYOSUNG CORP [KR]; |
| Classification: |
C08G67/02; |
| N° de demande: |
EP20070004951 20070309 |
| Numéro(s) de priorité: |
KR20060083274 20060831 |
The present invention relates to a process for preparing polyketone with improved catalytic activity and intrinsic viscosity, and specifically a process for preparing polyketone wherein an organometallic complex comprising acetate-palladium and 1,3-bis[bis(2-methoxy-5-methylphenyl)phosphino]propane is used as a catalyst component, and a mixed solvent of 70 to 90 vol% of acetic acid and 10 to 30 vol% of water is used as a liquid medium.
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