Influence of lactic acid on the catalytic performance of MDABCO for ring-opening polymerization of l-lactide
[Display omitted] •For the first time, MDABCO MOFs are used as catalysts for bulk polymerization of lactide.•In-situ generated system by addition of lactic acid to MDABCO can increase the activity.•ZnDABCO shows the best catalytic performance among the MDABCO MOFs.•ZnDABCO catalysts produce PLA with...
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| Veröffentlicht in: | Applied catalysis. A, General General, 2017-09, Vol.546, p.15-21 |
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| container_title | Applied catalysis. A, General |
| container_volume | 546 |
| creator | Luo, Zhixiong Chaemchuen, Somboon Zhou, Kui Gonzalez, Andres Alvarado Verpoort, Francis |
| description | [Display omitted]
•For the first time, MDABCO MOFs are used as catalysts for bulk polymerization of lactide.•In-situ generated system by addition of lactic acid to MDABCO can increase the activity.•ZnDABCO shows the best catalytic performance among the MDABCO MOFs.•ZnDABCO catalysts produce PLA with isotactic structure.
A series of metal organic frameworks (MOFs) MDABCO (M=Co, Ni, Cu, Zn; DABCO=1,4-diazabicyclo[2.2.2]octane) are utilized as catalysts for the bulk ring-opening polymerization of l-lactide. The catalytic activity varies in the order CuDABCO, NiDABCO |
| doi_str_mv | 10.1016/j.apcata.2017.08.007 |
| format | Article |
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•For the first time, MDABCO MOFs are used as catalysts for bulk polymerization of lactide.•In-situ generated system by addition of lactic acid to MDABCO can increase the activity.•ZnDABCO shows the best catalytic performance among the MDABCO MOFs.•ZnDABCO catalysts produce PLA with isotactic structure.
A series of metal organic frameworks (MOFs) MDABCO (M=Co, Ni, Cu, Zn; DABCO=1,4-diazabicyclo[2.2.2]octane) are utilized as catalysts for the bulk ring-opening polymerization of l-lactide. The catalytic activity varies in the order CuDABCO, NiDABCO<ZnDABCO, CoDABCO. By adding lactic acid, we unexpectedly observed enhanced catalytic activity. The combined use of lactic acid and ZnDABCO during polymerization results in a highly active polymerization system, along with the gradual change of MOFs structure caused by an increased acid concentration. Compared to related homogeneous fragments, such as zinc nitrate and 1,4-diazabicyclo[2.2.2]octane, ZnDABCO is found to afford highly isotactic polylactide, which would be ascribed to the unique structural properties of MOFs.</description><identifier>ISSN: 0926-860X</identifier><identifier>EISSN: 1873-3875</identifier><identifier>DOI: 10.1016/j.apcata.2017.08.007</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Bulk polymerization ; Catalysis ; Catalysts ; Catalytic activity ; Copper ; Heterogeneous catalysis ; Isotacticity ; Lactic acid ; MDABCO MOFs ; Metal-organic frameworks ; Nickel ; Polylactide ; Polymerization ; Ring opening polymerization ; Studies ; Zinc</subject><ispartof>Applied catalysis. A, General, 2017-09, Vol.546, p.15-21</ispartof><rights>2017 Elsevier B.V.</rights><rights>Copyright Elsevier Science SA Sep 25, 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c417t-c933b642be7ab825083504415f43fd2a0573c3ec753d057ee7f32109258b7e53</citedby><cites>FETCH-LOGICAL-c417t-c933b642be7ab825083504415f43fd2a0573c3ec753d057ee7f32109258b7e53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.apcata.2017.08.007$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids></links><search><creatorcontrib>Luo, Zhixiong</creatorcontrib><creatorcontrib>Chaemchuen, Somboon</creatorcontrib><creatorcontrib>Zhou, Kui</creatorcontrib><creatorcontrib>Gonzalez, Andres Alvarado</creatorcontrib><creatorcontrib>Verpoort, Francis</creatorcontrib><title>Influence of lactic acid on the catalytic performance of MDABCO for ring-opening polymerization of l-lactide</title><title>Applied catalysis. A, General</title><description>[Display omitted]
•For the first time, MDABCO MOFs are used as catalysts for bulk polymerization of lactide.•In-situ generated system by addition of lactic acid to MDABCO can increase the activity.•ZnDABCO shows the best catalytic performance among the MDABCO MOFs.•ZnDABCO catalysts produce PLA with isotactic structure.
A series of metal organic frameworks (MOFs) MDABCO (M=Co, Ni, Cu, Zn; DABCO=1,4-diazabicyclo[2.2.2]octane) are utilized as catalysts for the bulk ring-opening polymerization of l-lactide. The catalytic activity varies in the order CuDABCO, NiDABCO<ZnDABCO, CoDABCO. By adding lactic acid, we unexpectedly observed enhanced catalytic activity. The combined use of lactic acid and ZnDABCO during polymerization results in a highly active polymerization system, along with the gradual change of MOFs structure caused by an increased acid concentration. Compared to related homogeneous fragments, such as zinc nitrate and 1,4-diazabicyclo[2.2.2]octane, ZnDABCO is found to afford highly isotactic polylactide, which would be ascribed to the unique structural properties of MOFs.</description><subject>Bulk polymerization</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Catalytic activity</subject><subject>Copper</subject><subject>Heterogeneous catalysis</subject><subject>Isotacticity</subject><subject>Lactic acid</subject><subject>MDABCO MOFs</subject><subject>Metal-organic frameworks</subject><subject>Nickel</subject><subject>Polylactide</subject><subject>Polymerization</subject><subject>Ring opening polymerization</subject><subject>Studies</subject><subject>Zinc</subject><issn>0926-860X</issn><issn>1873-3875</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp9kE1PwzAMhiMEEmPwDzhE4tziJE3TXpBgfE0a2mUHblGWupCpa0raIY1fT8p25mTLev1Yfgi5ZpAyYPntJjWdNYNJOTCVQpECqBMyYYUSiSiUPCUTKHmeFDm8n5OLvt8AAM9KOSHNvK2bHbYWqa9pY-zgLDXWVdS3dPhEOnKb_TjtMNQ-bM0x-_Z4_zBb0jiiwbUfie-wjZV2vtlvMbgfM7jIGKnJH7fCS3JWm6bHq2OdktXz02r2miyWL_PZ_SKxGVNDYksh1nnG16jMuuASCiEhy5isM1FX3IBUwgq0Sooq9oiqFpzFD2WxVijFlNwcsF3wXzvsB73xu9DGi5oDZ2XEg4ip7JCywfd9wFp3wW1N2GsGetSqN_qgVY9aNRQ6ao1rd4c1jA98Owy6t270V7mAdtCVd_8DfgESEoIL</recordid><startdate>20170925</startdate><enddate>20170925</enddate><creator>Luo, Zhixiong</creator><creator>Chaemchuen, Somboon</creator><creator>Zhou, Kui</creator><creator>Gonzalez, Andres Alvarado</creator><creator>Verpoort, Francis</creator><general>Elsevier B.V</general><general>Elsevier Science SA</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20170925</creationdate><title>Influence of lactic acid on the catalytic performance of MDABCO for ring-opening polymerization of l-lactide</title><author>Luo, Zhixiong ; Chaemchuen, Somboon ; Zhou, Kui ; Gonzalez, Andres Alvarado ; Verpoort, Francis</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c417t-c933b642be7ab825083504415f43fd2a0573c3ec753d057ee7f32109258b7e53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Bulk polymerization</topic><topic>Catalysis</topic><topic>Catalysts</topic><topic>Catalytic activity</topic><topic>Copper</topic><topic>Heterogeneous catalysis</topic><topic>Isotacticity</topic><topic>Lactic acid</topic><topic>MDABCO MOFs</topic><topic>Metal-organic frameworks</topic><topic>Nickel</topic><topic>Polylactide</topic><topic>Polymerization</topic><topic>Ring opening polymerization</topic><topic>Studies</topic><topic>Zinc</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Luo, Zhixiong</creatorcontrib><creatorcontrib>Chaemchuen, Somboon</creatorcontrib><creatorcontrib>Zhou, Kui</creatorcontrib><creatorcontrib>Gonzalez, Andres Alvarado</creatorcontrib><creatorcontrib>Verpoort, Francis</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied catalysis. A, General</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Luo, Zhixiong</au><au>Chaemchuen, Somboon</au><au>Zhou, Kui</au><au>Gonzalez, Andres Alvarado</au><au>Verpoort, Francis</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of lactic acid on the catalytic performance of MDABCO for ring-opening polymerization of l-lactide</atitle><jtitle>Applied catalysis. A, General</jtitle><date>2017-09-25</date><risdate>2017</risdate><volume>546</volume><spage>15</spage><epage>21</epage><pages>15-21</pages><issn>0926-860X</issn><eissn>1873-3875</eissn><abstract>[Display omitted]
•For the first time, MDABCO MOFs are used as catalysts for bulk polymerization of lactide.•In-situ generated system by addition of lactic acid to MDABCO can increase the activity.•ZnDABCO shows the best catalytic performance among the MDABCO MOFs.•ZnDABCO catalysts produce PLA with isotactic structure.
A series of metal organic frameworks (MOFs) MDABCO (M=Co, Ni, Cu, Zn; DABCO=1,4-diazabicyclo[2.2.2]octane) are utilized as catalysts for the bulk ring-opening polymerization of l-lactide. The catalytic activity varies in the order CuDABCO, NiDABCO<ZnDABCO, CoDABCO. By adding lactic acid, we unexpectedly observed enhanced catalytic activity. The combined use of lactic acid and ZnDABCO during polymerization results in a highly active polymerization system, along with the gradual change of MOFs structure caused by an increased acid concentration. Compared to related homogeneous fragments, such as zinc nitrate and 1,4-diazabicyclo[2.2.2]octane, ZnDABCO is found to afford highly isotactic polylactide, which would be ascribed to the unique structural properties of MOFs.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.apcata.2017.08.007</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Bulk polymerization Catalysis Catalysts Catalytic activity Copper Heterogeneous catalysis Isotacticity Lactic acid MDABCO MOFs Metal-organic frameworks Nickel Polylactide Polymerization Ring opening polymerization Studies Zinc |
| title | Influence of lactic acid on the catalytic performance of MDABCO for ring-opening polymerization of l-lactide |
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