POLYMERIZATION CATALYST FOR PRODUCING VINYL CHLORIDE- ETHYLENE COPOLYMER AND PROCESS FOR PRODUCING VINYL CHLORIDE-ETHYLENE COPOLYMER USING THE SAME

PROBLEM TO BE SOLVED: To provide a new polymerization catalyst for producing a vinyl chloride-ethylene copolymer, which permits the production of a vinyl chloride- ethylene copolymer having a high ethylene unit content under the conditions of a low reaction pressure during polymerization, and a proc...

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Hauptverfasser: SAITO MAKOTO, ENDOU KIYOJI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a new polymerization catalyst for producing a vinyl chloride-ethylene copolymer, which permits the production of a vinyl chloride- ethylene copolymer having a high ethylene unit content under the conditions of a low reaction pressure during polymerization, and a process for producing a vinyl chloride-ethylene copolymer using the catalyst. SOLUTION: The polymerization catalyst for producing a vinyl chloride- ethylene copolymer comprises pentamethylcyclopentadienyltitanium trimethoxide and methylaluminoxane.