{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["14(50)"],"submitter":["Hayano S"],"pubmed_abstract":["Herein, we report a study on the preparation, properties, and depolymerization of pristine and vulcanized poly(cyclopentene) (poly(CP)), poly(norbornene-<i>ran</i>-cyclopentene) (poly(NB-<i>ran</i>-CP)) and poly(<i>endo</i>-dicyclopentadiene-<i>ran</i>-cyclopentene) (poly (DCP-<i>ran</i>-CP)). First, poly(CP), poly(NB-<i>ran</i>-CP) and poly(DCP-<i>ran</i>-CP) were prepared with high molecular weight control (<i>M</i> <sub>w</sub> = 200 000-500 000) using dichloro(3-phenyl-1<i>H</i>-inden-1-ylidene)bis(tricyclohexylphosphine)ruthenium(ii). Next, carbon black, zinc oxide and other additives were blended into the pristine polymers using a mixer and twin roll rubber mills at 50 °C, followed by vulcanization in metal molds at 160 °C for 10 min, resulting in molded black rubber specimens. Cross"],"journal":["RSC advances"],"pagination":["37143-37154"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11577345"],"repository":["biostudies-literature"],"pubmed_title":["Depolymerization of vulcanized poly(cyclopentene), poly(norbornene-&lt;i&gt;ran&lt;/i&gt;-cyclopentene) and poly(&lt;i&gt;endo&lt;/i&gt;-dicyclopentadiene-&lt;i&gt;ran&lt;/i&gt;-cyclopentene) rubbers &lt;i&gt;via&lt;/i&gt; ring-closing metathesis depolymerization for monomer recycling."],"pmcid":["PMC11577345"],"pubmed_authors":["Sakurai T","Hayano S","Wang S","Isobe K","Kumazawa K"],"additional_accession":[]},"is_claimable":false,"name":"Depolymerization of vulcanized poly(cyclopentene), poly(norbornene-&lt;i&gt;ran&lt;/i&gt;-cyclopentene) and poly(&lt;i&gt;endo&lt;/i&gt;-dicyclopentadiene-&lt;i&gt;ran&lt;/i&gt;-cyclopentene) rubbers &lt;i&gt;via&lt;/i&gt; ring-closing metathesis depolymerization for monomer recycling.","description":"Herein, we report a study on the preparation, properties, and depolymerization of pristine and vulcanized poly(cyclopentene) (poly(CP)), poly(norbornene-<i>ran</i>-cyclopentene) (poly(NB-<i>ran</i>-CP)) and poly(<i>endo</i>-dicyclopentadiene-<i>ran</i>-cyclopentene) (poly (DCP-<i>ran</i>-CP)). First, poly(CP), poly(NB-<i>ran</i>-CP) and poly(DCP-<i>ran</i>-CP) were prepared with high molecular weight control (<i>M</i> <sub>w</sub> = 200 000-500 000) using dichloro(3-phenyl-1<i>H</i>-inden-1-ylidene)bis(tricyclohexylphosphine)ruthenium(ii). Next, carbon black, zinc oxide and other additives were blended into the pristine polymers using a mixer and twin roll rubber mills at 50 °C, followed by vulcanization in metal molds at 160 °C for 10 min, resulting in molded black rubber specimens. Cross","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Nov","modification":"2025-04-26T01:52:38.525Z","creation":"2025-04-06T10:17:15.896Z"},"accession":"S-EPMC11577345","cross_references":{"pubmed":["39569115"],"doi":["10.1039/d4ra06914e"]}}