mycoreobjectrosdok_disshab_0000003361rosdok_disshab_0000003361rosdokdisshabrosdok_derivate_00002258512026-01-07T11:19:37.369Z2026-01-07T10:47:52.325ZMCRJANITOReditorFGpublished1rosdok_derivate_0000225851truetruederivate_types:fulltextVolltextfulltextwf_edit_epub wf_register_epubstate:publishedstate:publishedveröffentlichtpublishedrosdok/id000050441947884395Oau2026-01-072026-01-07T11:01:22ZrdaConverted from PICA to MODS using Pica2MODS XSLT Transformer 2.10 [SCM: "f6c168af690edb7cb65ef34e4a2bf7f8714c5d38" "v2.10" "2024-03-28T14:43:08+0100"] with mode 'DEFAULT'.DissertationHochschulschriftCharacterization and utilization of Zinc-based Ring-Opening-Polymerization catalystsThe present work focusses on Zn-based heterogeneous catalysts for the polymerization of epoxides. The sum formula of the catalyst and the effects of the complexing agents on the structure were determined. Next to this the structure of the active site and the polymerization mechanism was proposed. Additionally, a heterogeneous catalyst was used to prepare novel homotelechelic silicone copolymers. Molecular Zn-based catalysts were prepared, characterized, and tested for their catalytic activity in (co)polymerizations.Lea RebeccaGrefe1993 -VerfasserInaut1386045292UdoKragl1961 -AkademischeR BetreuerIndgs1318933510000-0002-2507-7472Universität Rostock, Institut für ChemieThomasWerner1973 -AkademischeR BetreuerIndgs1294836050000-0001-9025-3244Universität Paderborn, Department Chemie38329-6Universität Rostock1419 - 19761990 -Grad-verleihende Institutiondgg2147083-2Universität Rostock. Mathematisch-Naturwissenschaftliche FakultätGrad-verleihende Institutiondgghttps://purl.uni-rostock.de/rosdok/id00005044urn:nbn:de:gbv:28-rosdok_id00005044-310.18453/rosdok_id00005044540 ChemieMathematisch-Naturwissenschaftliche Fakultätalle Rechte vorbehaltenNutzungsrechte erteiltLizenz Metadaten: CC0frei zugänglich (Open Access)en1 Online-Ressource (186 Seiten)2023Universität RostockRostockmonographic202320232026Universitätsbibliothek RostockRostock2026Universitätsbibliothek Rostockhttps://purl.uni-rostock.de/rosdok/id00005044Udo Kragl (Universität Rostock, Institut für Chemie) ; Thomas Werner (Universität Paderborn, Department Chemie)[{"name":"Kragl, Udo","affil":"Universität Rostock, Institut für Chemie"},{"name":"Werner, Thomas","affil":"Universität Paderborn, Department Chemie"}]Dissertation, Universität Rostock, 2023Zn-based ROPvorgelegt von Lea Rebecca GrefeKragl, UdoUniversität Rostock, Institut für ChemieWerner, ThomasUniversität Paderborn, Department Chemiedoctype:epubdoctype:epubDokumenttypDocument typedoctype:epub.dissertationdoctype:epub.dissertationDissertationdoctoral thesisdiniPublType:doctoralThesis diniPublType2022:PhDThesis XMetaDissPlusThesisLevel:thesis.doctoralinfo:eu-repo/semantics/doctoralThesisdocumentnatureOfContent:ppn_105825778natureOfContent:ppn_105825778HochschulschriftdiniPublType2022:DoctoralThesisdiniPublType2022:DoctoralThesisDissertation oder HabilitationDoctoral thesisDRIVERdiniPublType2022:PhDThesisdiniPublType2022:PhDThesisDissertationPhD thesisKDSF (Pu34)XMetaDissPlusThesisLevel:thesis.doctoralXMetaDissPlusThesisLevel:thesis.doctoralDoktorarbeitdoctoral thesisSDNB:540SDNB:540540 Chemie540 Chemistry & allied sciencesinstitution:unirostockinstitution:unirostockUniversität RostockUniversity of RostockUniversität RostockUniversität RostockUni.Rostockhttp://d-nb.info/gnd/38329-6institution:unirostock.mnfinstitution:unirostock.mnfMathematisch-Naturwissenschaftliche FakultätFaculty of Mathematics and Natural SciencesUniversität Rostock. Mathematisch-Naturwissenschaftliche FakultätMathematisch-Natur-<br />wissenschaftliche FakultätUni.Rostock.Fakultaet.MNFhttp://d-nb.info/gnd/2147083-2licenseinfo:worklicenseinfo:workWerkworklicenseinfo:work.rightsreservedlicenseinfo:work.rightsreservedalle Rechte vorbehaltenall rights reserved/creativecommons/r/reserved/0.9/88x31.png[DE-28]Urheberrechtsschutz 1.0$gRights Statements$uhttp://rightsstatements.org/vocab/InC/1.0/http://rightsstatements.org/vocab/InC/1.0/http://rightsstatements.org/vocab/InC/1.0/licenseinfo:depositlicenseinfo:depositVeröffentlichungsgenehmigungpermission to storelicenseinfo:deposit.rightsgrantedlicenseinfo:deposit.rightsgrantedNutzungsrechte erteiltrights grantedlicenseinfo:metadatalicenseinfo:metadataLizenzen für Metadatenlicenseinfo:metadata.cc0licenseinfo:metadata.cc0Lizenz Metadaten: CC0license metadata: CC0/creativecommons/p/zero/1.0/88x31.pnghttps://creativecommons.org/publicdomain/zero/1.0/accesscondition:openaccessaccesscondition:openaccessfrei zugänglich (Open Access)open accesshttp://purl.org/coar/access_right/c_abf2OAfreeinfo:eu-repo/semantics/openAccess[DE-28]Open Access$gControlled Vocabulary for Access Rights$uhttp://purl.org/coar/access_right/c_abf2rfc5646:enrfc5646:enEnglischEnglishengengCharacterization and utilization of Zinc-based Ring-Opening-Polymerization catalystsCharacterization and utilization of Zinc-based Ring-Opening-Polymerization catalystsgnd:1386045292gnd:131893351orcid:0000-0002-2507-7472gnd:129483605orcid:0000-0001-9025-3244gnd:38329-6gnd:2147083-2gnd:1386045292gnd:131893351orcid:0000-0002-2507-7472gnd:129483605orcid:0000-0001-9025-3244gnd:38329-6gnd:2147083-2rosdok_disshab_0000003361-d1347685e52gnd:1386045292Lea Rebecca GrefeLea Rebecca Greferosdok_disshab_0000003361-d1347685e66gnd:131893351orcid:0000-0002-2507-7472Udo KraglUdo Kraglrosdok_disshab_0000003361-d1347685e83gnd:129483605orcid:0000-0001-9025-3244Thomas WernerThomas Wernerrosdok_disshab_0000003361-d1347685e100gnd:38329-6Universität RostockUniversität Rostockrosdok_disshab_0000003361-d1347685e114gnd:2147083-2Universität Rostock. Mathematisch-Naturwissenschaftliche FakultätUniversität Rostock. Mathematisch-Naturwissenschaftliche FakultätLea Rebecca GrefeUdo KraglThomas WernerUniversität RostockUniversität Rostock. Mathematisch-Naturwissenschaftliche FakultätLea Rebecca GrefeUdo KraglThomas WernerUniversität RostockUniversität Rostock. Mathematisch-Naturwissenschaftliche FakultätLea Rebecca GrefeRostockUniversität Rostockepub.dissertationhttps://purl.uni-rostock.de/rosdok/id00005044urn:nbn:de:gbv:28-rosdok_id00005044-310.18453/rosdok_id00005044The present work focusses on Zn-based heterogeneous catalysts for the polymerization of epoxides. The sum formula of the catalyst and the effects of the complexing agents on the structure were determined. Next to this the structure of the active site and the polymerization mechanism was proposed. Additionally, a heterogeneous catalyst was used to prepare novel homotelechelic silicone copolymers. Molecular Zn-based catalysts were prepared, characterized, and tested for their catalytic activity in (co)polymerizations.20232023Udo Kragl (Universität Rostock, Institut für Chemie) ; Thomas Werner (Universität Paderborn, Department Chemie)[{"name":"Kragl, Udo","affil":"Universität Rostock, Institut für Chemie"},{"name":"Werner, Thomas","affil":"Universität Paderborn, Department Chemie"}]Dissertation, Universität Rostock, 2023Zn-based ROPvorgelegt von Lea Rebecca Grefeepub.dissertation1 Grefe_Dissertation_2026.pdf 8901244 e67c8140c3f1dc0ae8643d2c0056e97a rosdok/id000050441947884395Oau2026-01-072026-01-07T11:01:22ZrdaConverted from PICA to MODS using Pica2MODS XSLT Transformer 2.10 [SCM: "f6c168af690edb7cb65ef34e4a2bf7f8714c5d38" "v2.10" "2024-03-28T14:43:08+0100"] with mode 'DEFAULT'.DissertationHochschulschriftCharacterization and utilization of Zinc-based Ring-Opening-Polymerization catalystsThe present work focusses on Zn-based heterogeneous catalysts for the polymerization of epoxides. The sum formula of the catalyst and the effects of the complexing agents on the structure were determined. Next to this the structure of the active site and the polymerization mechanism was proposed. Additionally, a heterogeneous catalyst was used to prepare novel homotelechelic silicone copolymers. Molecular Zn-based catalysts were prepared, characterized, and tested for their catalytic activity in (co)polymerizations.Lea RebeccaGrefe1993 -VerfasserInaut1386045292UdoKragl1961 -AkademischeR BetreuerIndgs1318933510000-0002-2507-7472Universität Rostock, Institut für ChemieThomasWerner1973 -AkademischeR BetreuerIndgs1294836050000-0001-9025-3244Universität Paderborn, Department Chemie38329-6Universität Rostock1419 - 19761990 -Grad-verleihende Institutiondgg2147083-2Universität Rostock. Mathematisch-Naturwissenschaftliche FakultätGrad-verleihende Institutiondgghttps://purl.uni-rostock.de/rosdok/id00005044urn:nbn:de:gbv:28-rosdok_id00005044-310.18453/rosdok_id00005044540 ChemieMathematisch-Naturwissenschaftliche Fakultätalle Rechte vorbehaltenNutzungsrechte erteiltLizenz Metadaten: CC0frei zugänglich (Open Access)en1 Online-Ressource (186 Seiten)2023Universität RostockRostockmonographic202320232026Universitätsbibliothek RostockRostock2026Universitätsbibliothek Rostockhttps://purl.uni-rostock.de/rosdok/id00005044Udo Kragl (Universität Rostock, Institut für Chemie) ; Thomas Werner (Universität Paderborn, Department Chemie)[{"name":"Kragl, Udo","affil":"Universität Rostock, Institut für Chemie"},{"name":"Werner, Thomas","affil":"Universität Paderborn, Department Chemie"}]Dissertation, Universität Rostock, 2023Zn-based ROPvorgelegt von Lea Rebecca Grefe Kragl, Udo Universität Rostock, Institut für Chemie Werner, Thomas Universität Paderborn, Department Chemie 2026-01-07T10:47:52.325Z 2026-01-07T11:19:37.369Z 2026-01-17T11:19:37.381Z editorFG {"identifier":"rosdok/id00005044","type":"local_id","additional":"","service":"MCRLocalID","created":"2026-01-07T10:47:52.479Z"} {"identifier":"urn:nbn:de:gbv:28-rosdok_id00005044-3","type":"dnbUrn","additional":"","service":"RosDokURN","created":"2026-01-07T10:47:52.493Z"} {"identifier":"https://purl.uni-rostock.de/rosdok/id00005044","type":"purl","additional":"","service":"RosDokPURL","created":"2026-01-07T10:47:52.498Z","registrationStarted":"2026-01-07T11:19:36.064Z"} {"identifier":"10.18453/rosdok_id00005044","type":"doi","additional":"","service":"RosDokDOI","created":"2026-01-07T10:47:52.503Z","registrationStarted":"2026-01-07T11:19:35.820Z","registered":"2026-01-07T11:19:37.366Z"} MCRJANITORfulltextfile/rosdok_disshab_0000003361/rosdok_derivate_0000225851/Grefe_Dissertation_2026.pdfCharacterization and utilization of Zinc-based Ring-Opening-Polymerization catalystsCharacterization and utilization of Zinc-based Ring-Opening-Polymerization catalystsgnd:1386045292gnd:131893351orcid:0000-0002-2507-7472gnd:129483605orcid:0000-0001-9025-3244gnd:38329-6gnd:2147083-2gnd:1386045292gnd:131893351orcid:0000-0002-2507-7472gnd:129483605orcid:0000-0001-9025-3244gnd:38329-6gnd:2147083-2rosdok_disshab_0000003361-d1347685e52gnd:1386045292Lea Rebecca GrefeLea Rebecca Greferosdok_disshab_0000003361-d1347685e66gnd:131893351orcid:0000-0002-2507-7472Udo KraglUdo Kraglrosdok_disshab_0000003361-d1347685e83gnd:129483605orcid:0000-0001-9025-3244Thomas WernerThomas Wernerrosdok_disshab_0000003361-d1347685e100gnd:38329-6Universität RostockUniversität Rostockrosdok_disshab_0000003361-d1347685e114gnd:2147083-2Universität Rostock. Mathematisch-Naturwissenschaftliche FakultätUniversität Rostock. Mathematisch-Naturwissenschaftliche FakultätLea Rebecca GrefeUdo KraglThomas WernerUniversität RostockUniversität Rostock. Mathematisch-Naturwissenschaftliche FakultätLea Rebecca GrefeUdo KraglThomas WernerUniversität RostockUniversität Rostock. Mathematisch-Naturwissenschaftliche FakultätLea Rebecca GrefeRostockUniversität Rostockepub.dissertationhttps://purl.uni-rostock.de/rosdok/id00005044urn:nbn:de:gbv:28-rosdok_id00005044-310.18453/rosdok_id00005044The present work focusses on Zn-based heterogeneous catalysts for the polymerization of epoxides. The sum formula of the catalyst and the effects of the complexing agents on the structure were determined. Next to this the structure of the active site and the polymerization mechanism was proposed. Additionally, a heterogeneous catalyst was used to prepare novel homotelechelic silicone copolymers. Molecular Zn-based catalysts were prepared, characterized, and tested for their catalytic activity in (co)polymerizations.20232023Udo Kragl (Universität Rostock, Institut für Chemie) ; Thomas Werner (Universität Paderborn, Department Chemie)[{"name":"Kragl, Udo","affil":"Universität Rostock, Institut für Chemie"},{"name":"Werner, Thomas","affil":"Universität Paderborn, Department Chemie"}]Dissertation, Universität Rostock, 2023Zn-based ROPvorgelegt von Lea Rebecca Grefe[xslt]Saxonrosdok/id00005044https://purl.uni-rostock.de/rosdok/id00005044194788439510.18453/rosdok_id00005044urn:nbn:de:gbv:28-rosdok_id00005044-3Lea Rebecca GrefeGrefe Lea RebeccaCharacterization and utilization of Zinc-based Ring-Opening-Polymerization catalystsDissertationdoctoral thesisUniversität Rostock, 2023The present work focusses on Zn-based heterogeneous catalysts for the polymerization of epoxides. The sum formula of the catalyst and the effects of the complexing agents on the structure were determined. Next to this the structure of the active site and the polymerization mechanism was proposed.…Lea Rebecca GrefeCharacterization and utilization of Zinc-based Ring-Opening-Polymerization catalystsZn-based ROPUniversitätsbibliothek Rostockhttps://purl.uni-rostock.de/rosdok/id00005044Lea RebeccaGrefe1993 -VerfasserInaut1386045292UdoKragl1961 -AkademischeR BetreuerIndgs1318933510000-0002-2507-7472Universität Rostock, Institut für ChemieThomasWerner1973 -AkademischeR BetreuerIndgs1294836050000-0001-9025-3244Universität Paderborn, Department Chemie38329-6Universität Rostock1419 - 19761990 -Grad-verleihende Institutiondgg2147083-2Universität Rostock. Mathematisch-Naturwissenschaftliche FakultätGrad-verleihende Institutiondgg[purl]https://purl.uni-rostock.de/rosdok/id00005044[urn]urn:nbn:de:gbv:28-rosdok_id00005044-3[doi]10.18453/rosdok_id00005044open_access20232023epoch:21th_centuryrfc5646:endoctype:epub.dissertationaccesscondition:openaccessSDNB:540institution:unirostock.mnfstate:published