CATALYTIC RING OPENING POLYMERIZATION OF LACTONES, CARBONATES, ETHERS, MORPHOLINE-2,5-DIONES AND ANHYDRIDES AND CATALYST THEREFOR

H.R. Stapert (Inventor), Pieter J. Dijkstra (Inventor), Jan Feijen, (Inventor)

    Research output: Patent

    Abstract

    The invention relates to a method for the catalytic ring opening polymerization of lactones, carbonates, ethers, morpholine-2,5-diones and anhydrides comprising contacting these compounds under polymerizing conditions with at least one metal coordinating compound initiator and at least one co-initiator, wherein the co-initiator replaces at least one ligand of the metal coordinating compound by a replacement ligand, which is less sterically hindering, in order to form a catalytic unit, so that the active part of the catalytic unit formed in this way is capable of approaching easier the compound undergoing catalytic ring opening.

    Original languageEnglish
    Patent numberWO9619519
    IPCC08G 67/ 04 A I
    Priority date21/12/94
    Publication statusPublished - 27 Jun 1996

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