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Abstract:

Chemical modification of inexpensive commercial polymers, such as polyacrylamide (PAM), is a safe methodology to obtain new copolymers. These new materials possess properties quite different from their precursors. In this case, we synthesized copolymers containing 1,3-oxazolic pendant groups. Molecular structures were confirmed by IR and 13C NMR. Conversion yields were calculated by means of elemental analysis. Thermal properties were studied by TGA and DSC techniques. The dependence of viscosity with conversion degrees was also analyzed. Amide-5-phenyl-1,3-oxazole copolymer (APOC) of 2 h conversion time showed high viscosity values, for this reason its applicability as fracture fluid and temporary polymer plug was studied. Dynamic experiments with small sinusoidal deformations were also performed to investigate its rheological behavior. © 2007 Elsevier Ltd. All rights reserved.

Registro:

Documento: Artículo
Título:Synthesis and characterization of copolymers with 1,3-oxazolic pendant groups
Autor:Vega, I.; Sánchez, L.; D'Accorso, N.
Filiación:Empresa de Servicios Especiales San Antonio Pride S.A., Carlos Pellegrini 1133, C1053ABW Buenos Aires, Argentina
Centro de Investigaciones en Hidratos de Carbono (CIHIDECAR-CONICET), Departamento de Química Orgánica, FCEN, Intendente Guiraldes 2160 Ciudad Universitaria, C1428EGA Buenos Aires, Argentina
Palabras clave:1,3-Oxazolic pendant groups; Chemical modification; Fracture fluid; Temporary polymer plug; Chemical modification; Molecular structure; Nuclear magnetic resonance; Polyacrylates; Rheology; Synthesis (chemical); Thermodynamic properties; Fracture fluid; Pendant groups; Sinusoidal deformations; Temporary polymer plug; Copolymers
Año:2008
Volumen:68
Número:1
Página de inicio:233
Página de fin:241
DOI: http://dx.doi.org/10.1016/j.reactfunctpolym.2007.09.003
Título revista:Reactive and Functional Polymers
Título revista abreviado:React Funct Polym
ISSN:13815148
CODEN:RFPOF
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_13815148_v68_n1_p233_Vega

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Citas:

---------- APA ----------
Vega, I., Sánchez, L. & D'Accorso, N. (2008) . Synthesis and characterization of copolymers with 1,3-oxazolic pendant groups. Reactive and Functional Polymers, 68(1), 233-241.
http://dx.doi.org/10.1016/j.reactfunctpolym.2007.09.003
---------- CHICAGO ----------
Vega, I., Sánchez, L., D'Accorso, N. "Synthesis and characterization of copolymers with 1,3-oxazolic pendant groups" . Reactive and Functional Polymers 68, no. 1 (2008) : 233-241.
http://dx.doi.org/10.1016/j.reactfunctpolym.2007.09.003
---------- MLA ----------
Vega, I., Sánchez, L., D'Accorso, N. "Synthesis and characterization of copolymers with 1,3-oxazolic pendant groups" . Reactive and Functional Polymers, vol. 68, no. 1, 2008, pp. 233-241.
http://dx.doi.org/10.1016/j.reactfunctpolym.2007.09.003
---------- VANCOUVER ----------
Vega, I., Sánchez, L., D'Accorso, N. Synthesis and characterization of copolymers with 1,3-oxazolic pendant groups. React Funct Polym. 2008;68(1):233-241.
http://dx.doi.org/10.1016/j.reactfunctpolym.2007.09.003