Preparation of small and photoresponsive polymer nanoparticles by intramolecular crosslinking of reactive star azo-polymers
Four-arm star azo-polymers with molecular weight control are prepared using the high selectivity of olefin cross-metathesis between acrylates and terminal olefins in the presence of multifunctional acrylates as the selective chain transfer agent. These reactive star azo-polymers are readily converte...
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| Veröffentlicht in: | Reactive & functional polymers 2016-12, Vol.109, p.56-63 |
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| creator | Ding, Liang Wang, Chengshuang Jiang, Ruiyu Wang, Lingfang Song, Wei |
| description | Four-arm star azo-polymers with molecular weight control are prepared using the high selectivity of olefin cross-metathesis between acrylates and terminal olefins in the presence of multifunctional acrylates as the selective chain transfer agent. These reactive star azo-polymers are readily converted, by two different intramolecular crosslinking reactions of the end acrylate groups in dilute solution, to the new types of polymeric nanoparticles that exhibit distinct photoresponsive performance. Furthermore, the size and morphology of two types of polymeric nanoparticles show interesting and circular transformations when azo chromophore in nanoparticles underwent trans–cis–trans or cis–trans–cis isomerization cycles.
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| doi_str_mv | 10.1016/j.reactfunctpolym.2016.10.004 |
| format | Article |
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[Display omitted]</description><subject>Acrylates</subject><subject>Acyclic diene metathesis polymerization</subject><subject>Alkenes</subject><subject>Azo polymers</subject><subject>Chain transfer</subject><subject>Crosslinking</subject><subject>Dilution</subject><subject>Intramolecular crosslinking</subject><subject>Isomerization</subject><subject>Metathesis</subject><subject>Molecular weight</subject><subject>Nanoparticles</subject><subject>Photoisomerization</subject><subject>Polymer nanoparticle</subject><subject>Polymerization</subject><subject>Polyolefins</subject><subject>Selectivity</subject><subject>Star azo-polymer</subject><issn>1381-5148</issn><issn>1873-166X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqNkD9PwzAQxSMEEqXwHSwhxhQ7dv50YEAVFKRKMIDEZjn2BRxSO9hOpcKXx2k7MTGdde_e73wvSa4InhFMiut25kDI0AxGht522_Usi-2ozTBmR8mEVCVNSVG8Hcc3rUiaE1adJmfetxiTMiqT5OfZQS-cCNoaZBvk16LrkDAK9R82WAe-t8brDaDdBnDICGOjI2jZgUf1FmkTnFjbDuTQCYeks9532nxq8z4Sd38cAT5EVXzb9EDy58lJIzoPF4c6TV7v714WD-nqafm4uF2lkhYkpPO6waVUwDJVMEYzUlHFGjJnCjKVQ8bqnDU1VnNWyYpgAEFzKrN5KXAOJBN0mlzuub2zXwP4wFs7OBNX8kjJS0IzWsWpm_3U7gAHDe-dXgu35QTzMW_e8j958zHvUY55R_9y74d4ykaD415qMBKUdiADV1b_k_QLxzWXfw</recordid><startdate>201612</startdate><enddate>201612</enddate><creator>Ding, Liang</creator><creator>Wang, Chengshuang</creator><creator>Jiang, Ruiyu</creator><creator>Wang, Lingfang</creator><creator>Song, Wei</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0001-7039-5253</orcidid></search><sort><creationdate>201612</creationdate><title>Preparation of small and photoresponsive polymer nanoparticles by intramolecular crosslinking of reactive star azo-polymers</title><author>Ding, Liang ; Wang, Chengshuang ; Jiang, Ruiyu ; Wang, Lingfang ; Song, Wei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c361t-9bf07cde42d64432183d4f194de2d5e24b54fb0d948c810eea353c297a05e12a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Acrylates</topic><topic>Acyclic diene metathesis polymerization</topic><topic>Alkenes</topic><topic>Azo polymers</topic><topic>Chain transfer</topic><topic>Crosslinking</topic><topic>Dilution</topic><topic>Intramolecular crosslinking</topic><topic>Isomerization</topic><topic>Metathesis</topic><topic>Molecular weight</topic><topic>Nanoparticles</topic><topic>Photoisomerization</topic><topic>Polymer nanoparticle</topic><topic>Polymerization</topic><topic>Polyolefins</topic><topic>Selectivity</topic><topic>Star azo-polymer</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ding, Liang</creatorcontrib><creatorcontrib>Wang, Chengshuang</creatorcontrib><creatorcontrib>Jiang, Ruiyu</creatorcontrib><creatorcontrib>Wang, Lingfang</creatorcontrib><creatorcontrib>Song, Wei</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Reactive & functional polymers</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ding, Liang</au><au>Wang, Chengshuang</au><au>Jiang, Ruiyu</au><au>Wang, Lingfang</au><au>Song, Wei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preparation of small and photoresponsive polymer nanoparticles by intramolecular crosslinking of reactive star azo-polymers</atitle><jtitle>Reactive & functional polymers</jtitle><date>2016-12</date><risdate>2016</risdate><volume>109</volume><spage>56</spage><epage>63</epage><pages>56-63</pages><issn>1381-5148</issn><eissn>1873-166X</eissn><abstract>Four-arm star azo-polymers with molecular weight control are prepared using the high selectivity of olefin cross-metathesis between acrylates and terminal olefins in the presence of multifunctional acrylates as the selective chain transfer agent. These reactive star azo-polymers are readily converted, by two different intramolecular crosslinking reactions of the end acrylate groups in dilute solution, to the new types of polymeric nanoparticles that exhibit distinct photoresponsive performance. Furthermore, the size and morphology of two types of polymeric nanoparticles show interesting and circular transformations when azo chromophore in nanoparticles underwent trans–cis–trans or cis–trans–cis isomerization cycles.
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| ispartof | Reactive & functional polymers, 2016-12, Vol.109, p.56-63 |
| issn | 1381-5148 1873-166X |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Acrylates Acyclic diene metathesis polymerization Alkenes Azo polymers Chain transfer Crosslinking Dilution Intramolecular crosslinking Isomerization Metathesis Molecular weight Nanoparticles Photoisomerization Polymer nanoparticle Polymerization Polyolefins Selectivity Star azo-polymer |
| title | Preparation of small and photoresponsive polymer nanoparticles by intramolecular crosslinking of reactive star azo-polymers |
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