(19)
(11) EP 4 149 981 A1

(12)

(43) Date of publication:
22.03.2023 Bulletin 2023/12

(21) Application number: 21724307.0

(22) Date of filing: 11.05.2021
(51) International Patent Classification (IPC): 
C08F 118/08(2006.01)
C08F 116/06(2006.01)
 C08F 4/34(2006.01)
C08F 2/06(2006.01)
(52) Cooperative Patent Classification (CPC):
C08F 118/08; C08F 116/06; C08F 2/06; C08F 4/38
(86) International application number:
PCT/EP2021/062489
(87) International publication number:
WO 2021/228858 (18.11.2021 Gazette 2021/46)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 15.05.2020 FR 2004874

(71) Applicant: ARKEMA FRANCE
92700 Colombes (FR)

(72) Inventor:
  • YU, Xiaoqian
    Changshu Jiangsu, Jiangsu 215522 (CN)

(74) Representative: Arkema Patent 
Arkema France DRD-DPI 420, rue d'Estienne d'Orves
92705 Colombes Cedex
92705 Colombes Cedex (FR)

   


(54) COMPOSITION COMPRISING AT LEAST TWO ORGANIC PEROXIDES FOR THE POLYMERIZATION OF ETHYLENICALLY UNSATURATED MONOMERS