Tuning the Thermal Properties of Azopolymers Synthesized by Post‐Functionalization of Poly(propargyl Methacrylate) with Azobenzene Azides: Influence on the Generation of Linear and Circular Birefringences
A series of side‐chain polymers with a bifunctional repeating unit are prepared by post‐polymerization functionalization of poly(propargyl methacrylate) (PPMA) with several azides derived from bis(hydroxymethyl)propionic acid (bis‐MPA). The azide incorporates one photoresponsive 4‐cyanoazobenzene un...
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| Veröffentlicht in: | Macromolecular chemistry and physics 2018-11, Vol.219 (21), p.n/a |
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| container_title | Macromolecular chemistry and physics |
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| creator | Roche, Alejandro García‐Juan, Hugo Royes, Jorge Oriol, Luis Piñol, Milagros Audia, Biagio Pagliusi, Pasquale Provenzano, Clementina Cipparrone, Gabriella |
| description | A series of side‐chain polymers with a bifunctional repeating unit are prepared by post‐polymerization functionalization of poly(propargyl methacrylate) (PPMA) with several azides derived from bis(hydroxymethyl)propionic acid (bis‐MPA). The azide incorporates one photoresponsive 4‐cyanoazobenzene unit and one photoinert promesogenic moiety at each repeating unit. Both the effect of the photoinert (4‐cyanobipheynyl vs 4‐cyanotolane) and of the linking group (ester vs carbamate) on the liquid crystalline properties and the generation of optical anisotropy, linear or circular birefringences are explored.
A flexible approach to bifunctional polymers combining promesogenic and photoresponsive moieties in the same repeating units is described using click chemistry tools. By tuning the linking groups of the bifunctional moieties to the polymethacrylic chain, the liquid crystallinity and the photoinduction of simultaneous linear and circular birefringence is controlled. |
| doi_str_mv | 10.1002/macp.201800318 |
| format | Article |
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A flexible approach to bifunctional polymers combining promesogenic and photoresponsive moieties in the same repeating units is described using click chemistry tools. By tuning the linking groups of the bifunctional moieties to the polymethacrylic chain, the liquid crystallinity and the photoinduction of simultaneous linear and circular birefringence is controlled.</description><identifier>ISSN: 1022-1352</identifier><identifier>EISSN: 1521-3935</identifier><identifier>DOI: 10.1002/macp.201800318</identifier><language>eng</language><publisher>Weinheim: Wiley Subscription Services, Inc</publisher><subject>Anisotropy ; azopolymers ; circular birefringence ; light polarization ; linear birefringence ; Liquid crystals ; Optical properties ; Propionic acid ; Thermodynamic properties</subject><ispartof>Macromolecular chemistry and physics, 2018-11, Vol.219 (21), p.n/a</ispartof><rights>2018 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3178-db24a2102c85a6a3b9973dae05c7c4111fc9ea8b6ffd466bce1ffbbdac7caf463</citedby><cites>FETCH-LOGICAL-c3178-db24a2102c85a6a3b9973dae05c7c4111fc9ea8b6ffd466bce1ffbbdac7caf463</cites><orcidid>0000-0002-1220-3708 ; 0000-0002-0922-5615 ; 0000-0003-4880-1942 ; 0000-0001-8077-816X ; 0000-0001-5556-2172</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fmacp.201800318$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fmacp.201800318$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>Roche, Alejandro</creatorcontrib><creatorcontrib>García‐Juan, Hugo</creatorcontrib><creatorcontrib>Royes, Jorge</creatorcontrib><creatorcontrib>Oriol, Luis</creatorcontrib><creatorcontrib>Piñol, Milagros</creatorcontrib><creatorcontrib>Audia, Biagio</creatorcontrib><creatorcontrib>Pagliusi, Pasquale</creatorcontrib><creatorcontrib>Provenzano, Clementina</creatorcontrib><creatorcontrib>Cipparrone, Gabriella</creatorcontrib><title>Tuning the Thermal Properties of Azopolymers Synthesized by Post‐Functionalization of Poly(propargyl Methacrylate) with Azobenzene Azides: Influence on the Generation of Linear and Circular Birefringences</title><title>Macromolecular chemistry and physics</title><description>A series of side‐chain polymers with a bifunctional repeating unit are prepared by post‐polymerization functionalization of poly(propargyl methacrylate) (PPMA) with several azides derived from bis(hydroxymethyl)propionic acid (bis‐MPA). The azide incorporates one photoresponsive 4‐cyanoazobenzene unit and one photoinert promesogenic moiety at each repeating unit. Both the effect of the photoinert (4‐cyanobipheynyl vs 4‐cyanotolane) and of the linking group (ester vs carbamate) on the liquid crystalline properties and the generation of optical anisotropy, linear or circular birefringences are explored.
A flexible approach to bifunctional polymers combining promesogenic and photoresponsive moieties in the same repeating units is described using click chemistry tools. By tuning the linking groups of the bifunctional moieties to the polymethacrylic chain, the liquid crystallinity and the photoinduction of simultaneous linear and circular birefringence is controlled.</description><subject>Anisotropy</subject><subject>azopolymers</subject><subject>circular birefringence</subject><subject>light polarization</subject><subject>linear birefringence</subject><subject>Liquid crystals</subject><subject>Optical properties</subject><subject>Propionic acid</subject><subject>Thermodynamic properties</subject><issn>1022-1352</issn><issn>1521-3935</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqFkctO4zAUhiM0SDDAlrUlNswixZcmTdh1Ki6VWk0lyjo6cY6pkesEOxFKVzwCT8ZDzJOMoyJYzsq_df7v17lE0TmjI0Ypv9qCbEacsoxSwbKD6JglnMUiF8mPoCnnMRMJP4p-ev9MKc1oPjmOPtad1faJtBsk6w26LRiycnWDrtXoSa3IdFc3tem36Dx56G0wer3DipQ9WdW-_fv2fttZ2eragtE7GMSArQJz2YQkcE-9IUtsNyBdb6DFX-RVt5shuES7Q4tB6gr9NZlbZTq0EkkIGVq6C1X3lbnQFsERsBWZaSc7Ez6_tUPlwggD5k-jQwXG49nnexI93t6sZ_fx4s_dfDZdxFKwSRZXJR8DDzuRWQIpiDLPJ6ICpImcyDFjTMkcIStTpapxmpYSmVJlWUEogxqn4iS62OeGCV869G3xXHcubMAXnPE8EQkVWXCN9i7pau9Dn0Xj9BZcXzBaDDcrhpsVXzcLQL4HXrXB_j_uYjmdrb7Zf5Bhowk</recordid><startdate>201811</startdate><enddate>201811</enddate><creator>Roche, Alejandro</creator><creator>García‐Juan, Hugo</creator><creator>Royes, Jorge</creator><creator>Oriol, Luis</creator><creator>Piñol, Milagros</creator><creator>Audia, Biagio</creator><creator>Pagliusi, Pasquale</creator><creator>Provenzano, Clementina</creator><creator>Cipparrone, Gabriella</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-1220-3708</orcidid><orcidid>https://orcid.org/0000-0002-0922-5615</orcidid><orcidid>https://orcid.org/0000-0003-4880-1942</orcidid><orcidid>https://orcid.org/0000-0001-8077-816X</orcidid><orcidid>https://orcid.org/0000-0001-5556-2172</orcidid></search><sort><creationdate>201811</creationdate><title>Tuning the Thermal Properties of Azopolymers Synthesized by Post‐Functionalization of Poly(propargyl Methacrylate) with Azobenzene Azides: Influence on the Generation of Linear and Circular Birefringences</title><author>Roche, Alejandro ; García‐Juan, Hugo ; Royes, Jorge ; Oriol, Luis ; Piñol, Milagros ; Audia, Biagio ; Pagliusi, Pasquale ; Provenzano, Clementina ; Cipparrone, Gabriella</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3178-db24a2102c85a6a3b9973dae05c7c4111fc9ea8b6ffd466bce1ffbbdac7caf463</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Anisotropy</topic><topic>azopolymers</topic><topic>circular birefringence</topic><topic>light polarization</topic><topic>linear birefringence</topic><topic>Liquid crystals</topic><topic>Optical properties</topic><topic>Propionic acid</topic><topic>Thermodynamic properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Roche, Alejandro</creatorcontrib><creatorcontrib>García‐Juan, Hugo</creatorcontrib><creatorcontrib>Royes, Jorge</creatorcontrib><creatorcontrib>Oriol, Luis</creatorcontrib><creatorcontrib>Piñol, Milagros</creatorcontrib><creatorcontrib>Audia, Biagio</creatorcontrib><creatorcontrib>Pagliusi, Pasquale</creatorcontrib><creatorcontrib>Provenzano, Clementina</creatorcontrib><creatorcontrib>Cipparrone, Gabriella</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Macromolecular chemistry and physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Roche, Alejandro</au><au>García‐Juan, Hugo</au><au>Royes, Jorge</au><au>Oriol, Luis</au><au>Piñol, Milagros</au><au>Audia, Biagio</au><au>Pagliusi, Pasquale</au><au>Provenzano, Clementina</au><au>Cipparrone, Gabriella</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Tuning the Thermal Properties of Azopolymers Synthesized by Post‐Functionalization of Poly(propargyl Methacrylate) with Azobenzene Azides: Influence on the Generation of Linear and Circular Birefringences</atitle><jtitle>Macromolecular chemistry and physics</jtitle><date>2018-11</date><risdate>2018</risdate><volume>219</volume><issue>21</issue><epage>n/a</epage><issn>1022-1352</issn><eissn>1521-3935</eissn><abstract>A series of side‐chain polymers with a bifunctional repeating unit are prepared by post‐polymerization functionalization of poly(propargyl methacrylate) (PPMA) with several azides derived from bis(hydroxymethyl)propionic acid (bis‐MPA). The azide incorporates one photoresponsive 4‐cyanoazobenzene unit and one photoinert promesogenic moiety at each repeating unit. Both the effect of the photoinert (4‐cyanobipheynyl vs 4‐cyanotolane) and of the linking group (ester vs carbamate) on the liquid crystalline properties and the generation of optical anisotropy, linear or circular birefringences are explored.
A flexible approach to bifunctional polymers combining promesogenic and photoresponsive moieties in the same repeating units is described using click chemistry tools. By tuning the linking groups of the bifunctional moieties to the polymethacrylic chain, the liquid crystallinity and the photoinduction of simultaneous linear and circular birefringence is controlled.</abstract><cop>Weinheim</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/macp.201800318</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-1220-3708</orcidid><orcidid>https://orcid.org/0000-0002-0922-5615</orcidid><orcidid>https://orcid.org/0000-0003-4880-1942</orcidid><orcidid>https://orcid.org/0000-0001-8077-816X</orcidid><orcidid>https://orcid.org/0000-0001-5556-2172</orcidid></addata></record> |
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| subjects | Anisotropy azopolymers circular birefringence light polarization linear birefringence Liquid crystals Optical properties Propionic acid Thermodynamic properties |
| title | Tuning the Thermal Properties of Azopolymers Synthesized by Post‐Functionalization of Poly(propargyl Methacrylate) with Azobenzene Azides: Influence on the Generation of Linear and Circular Birefringences |
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