Use of at least one perester for initiating ethylene polymerization or copolymerization at high pressure
By using peroxide-based organic peroxides to initiate the free radical polymerization or copolymerization of ethylene under high pressure, the problems of high consumption and environmental pollution in existing technologies are solved, realizing a highly efficient and economical ethylene polymerization or copolymerization process.
CN122422366APending Publication Date: 2026-07-17ARKEMA FRANCE SA
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- ARKEMA FRANCE SA
- Filing Date
- 2024-12-20
- Publication Date
- 2026-07-17
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Abstract
本发明涉及单独的或与一种或多种不同的另外的过氧化物组合的至少一种选自式(I)的过酸酯的过氧化物用于乙烯在高压下的自由基聚合或共聚的用途。本发明还涉及一种用于制备聚乙烯的方法，包括在单独的或与一种或多种不同的另外的过氧化物组合的至少一种选自式(I)的过酸酯的过氧化物的存在下，在高压下进行乙烯的自由基聚合或共聚的步骤。本发明还涉及一种组合物，其包含乙烯、至少一种选自式(I)的过酸酯的过氧化物和任选的一种或多种不同于式(I)的过酸酯的另外的过氧化物。
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