Polymer–polymer complexes of poly(N-isopropylacrylamide) and poly(N,N-diethylacrylamide) with poly(carboxylic acids): a comparative study

In this manuscript, the complexation process between two polyacids, poly(acrylic acid) (PAA) and poly(methacrylic acid) (PMAA), and two different polyacrylamides, poly( N -isopropylacrylamide) (PNiPAm) and poly( N , N -diethylacrylamide) (PNdEAm), in organic solvents, has been studied. The influence...

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Bibliographic Details
Published in:Colloid and polymer science 2014-02, Vol.292 (2), p.423-430
Main Authors: Ruiz-Rubio, Leire, Laza, José M., Pérez, Leyre, Rioja, Nerea, Bilbao, Elena
Format: Article
Language:English
Subjects:
Applied sciences
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Complex Fluids and Microfluidics
Complex formation
Complexation
Exact sciences and technology
Food Science
Fourier transforms
Infrared
Infrared spectroscopy
Nanotechnology and Microengineering
Organic polymers
Original Contribution
Physical Chemistry
Physicochemistry of polymers
Polyacids
Polyacrylamides
Polymer Sciences
Properties and characterization
Soft and Granular Matter
Solution and gel properties
Solvents
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Summary:In this manuscript, the complexation process between two polyacids, poly(acrylic acid) (PAA) and poly(methacrylic acid) (PMAA), and two different polyacrylamides, poly( N -isopropylacrylamide) (PNiPAm) and poly( N , N -diethylacrylamide) (PNdEAm), in organic solvents, has been studied. The influence of polymer chemical structure and the effect of polymer–solvent interactions on the complex formation in solution have been analyzed. Specific interactions were studied by Fourier transform infrared (FTIR) spectroscopy, and the composition of the obtained complexes was determined by elemental analysis. The calorimetric study of the interpolymer complexes shows a unique glass transition temperature for all systems except for PNdEAm/PMAA system in which phase separation was observed after thermal treatment.
ISSN:0303-402X
1435-1536
DOI:10.1007/s00396-013-3086-7