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公开(公告)号：US3804912A
公开(公告)日：1974-04-16
申请号：US20138671
申请日：1971-11-23
Applicant: STAMICARBON
Inventor： VELLINGA M , HARTOG F , VON DEN HOFF J
CPC classification number: C07C5/2512 , C07C13/43
Abstract: A PROCESS FOR ISOMERIZING VINYL NORBORNENES INTO ETHYLIDENE NORBORNENES IS DISCLOSED, WHEREIN SAID ISOMERIZATION IS CONDUCTED IN THE PRESENCE OF GROUP II-A AND/OR GROUP II-B OF THE PERIODIC SYSTEM OXIDE CATALYST. THE CATALYST SYSTEM RESULTS IN HIGH CONVERSIONS AND CATALYST CAPACITIES. THE RESULTING ETHYLIDENE NORBORNENES ARE KNOWN PRODUCTS HAVING KNOWN USES, SUCH AS, E.G. COMMONOMERS WITH ETHYLENE AND PROPYLENE FOR THE PRODUCTION OF ELASTOMERIC COPOLYMERS.
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