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
Alejandro Roche
Departamento de Química Orgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12,, 50009 Zaragoza, Spain
Search for more papers by this authorHugo García-Juan
Departamento de Química Orgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12,, 50009 Zaragoza, Spain
Search for more papers by this authorJorge Royes
Departamento de Química Orgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12,, 50009 Zaragoza, Spain
Search for more papers by this authorLuis Oriol
Departamento de Química Orgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12,, 50009 Zaragoza, Spain
Search for more papers by this authorCorresponding Author
Milagros Piñol
Departamento de Química Orgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12,, 50009 Zaragoza, Spain
E-mail: [email protected], [email protected]Search for more papers by this authorBiagio Audia
Dipartimento di Fisica, Università della Calabria, Ponte P. Bucci, Cubo 33B,, 87100 Rende, (CS), Italy
Search for more papers by this authorPasquale Pagliusi
Dipartimento di Fisica, Università della Calabria, Ponte P. Bucci, Cubo 33B,, 87100 Rende, (CS), Italy
CNR Nanotec,, UOS Cosenza, Ponte P. Bucci, Cubo 33B,, 87036 Rende, (CS), Italy
Search for more papers by this authorClementina Provenzano
Dipartimento di Fisica, Università della Calabria, Ponte P. Bucci, Cubo 33B,, 87100 Rende, (CS), Italy
Search for more papers by this authorCorresponding Author
Gabriella Cipparrone
Dipartimento di Fisica, Università della Calabria, Ponte P. Bucci, Cubo 33B,, 87100 Rende, (CS), Italy
E-mail: [email protected], [email protected]Search for more papers by this authorAlejandro Roche
Departamento de Química Orgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12,, 50009 Zaragoza, Spain
Search for more papers by this authorHugo García-Juan
Departamento de Química Orgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12,, 50009 Zaragoza, Spain
Search for more papers by this authorJorge Royes
Departamento de Química Orgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12,, 50009 Zaragoza, Spain
Search for more papers by this authorLuis Oriol
Departamento de Química Orgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12,, 50009 Zaragoza, Spain
Search for more papers by this authorCorresponding Author
Milagros Piñol
Departamento de Química Orgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12,, 50009 Zaragoza, Spain
E-mail: [email protected], [email protected]Search for more papers by this authorBiagio Audia
Dipartimento di Fisica, Università della Calabria, Ponte P. Bucci, Cubo 33B,, 87100 Rende, (CS), Italy
Search for more papers by this authorPasquale Pagliusi
Dipartimento di Fisica, Università della Calabria, Ponte P. Bucci, Cubo 33B,, 87100 Rende, (CS), Italy
CNR Nanotec,, UOS Cosenza, Ponte P. Bucci, Cubo 33B,, 87036 Rende, (CS), Italy
Search for more papers by this authorClementina Provenzano
Dipartimento di Fisica, Università della Calabria, Ponte P. Bucci, Cubo 33B,, 87100 Rende, (CS), Italy
Search for more papers by this authorCorresponding Author
Gabriella Cipparrone
Dipartimento di Fisica, Università della Calabria, Ponte P. Bucci, Cubo 33B,, 87100 Rende, (CS), Italy
E-mail: [email protected], [email protected]Search for more papers by this authorAbstract
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.
Conflict of Interest
The authors declare no conflict of interest.
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