Synthesis, characterization and rheological behavior of pH sensitive poly(acrylamide-co-acrylic acid) hydrogels
Poly(acrylamide-co-acrylic acid) poly(AAm-co-AAc) hydrogels were prepared by free radical polymerization initiated by redox initiators of ammonium peroxodisulphate (APS) and N,N,N′,N′-tetramethyl ethylene diamine (TEMED); N,N′-methylene bisacrylamide (BIS) was employed as a crosslinking agent. The c...
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| Format: | Article |
| Language: | English |
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Elsevier
2017-05-01
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| Series: | Arabian Journal of Chemistry |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S1878535213003973 |
| _version_ | 1818529775056060416 |
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| author | Seddiki Nesrinne Aliouche Djamel |
| author_facet | Seddiki Nesrinne Aliouche Djamel |
| author_sort | Seddiki Nesrinne |
| collection | DOAJ |
| description | Poly(acrylamide-co-acrylic acid) poly(AAm-co-AAc) hydrogels were prepared by free radical polymerization initiated by redox initiators of ammonium peroxodisulphate (APS) and N,N,N′,N′-tetramethyl ethylene diamine (TEMED); N,N′-methylene bisacrylamide (BIS) was employed as a crosslinking agent. The copolymers were characterized by infrared spectroscopy (FT-IR), differential scanning calorimetry (DSC), dynamic rheology and swelling measurements.
Results indicated that the strong interaction in the hydrogels resulted in the formation of a more stable copolymer. The single glass transition temperature (Tg) in sample suggested that the two polymers into the hydrogel have a good miscibility. The elastic modulus (G′) and linear viscoelastic region increased with increase in PAAc concentration. The oscillation time sweep study of the hydrogels exhibited a flat G′ indicating a stable structure and good mechanical strength. In the swelling measurements, the gels exhibited appreciable water uptake and were highly sensitive to pH environment. So the poly(AAm-co-AAc) hydrogel will have promising application in pharmaceutical use and in biomaterials. |
| first_indexed | 2024-12-11T17:11:15Z |
| format | Article |
| id | doaj.art-e195ab0aba324e029b292b5b3ea5d964 |
| institution | Directory Open Access Journal |
| issn | 1878-5352 |
| language | English |
| last_indexed | 2024-12-11T17:11:15Z |
| publishDate | 2017-05-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Arabian Journal of Chemistry |
| spelling | doaj.art-e195ab0aba324e029b292b5b3ea5d9642022-12-22T00:57:31ZengElsevierArabian Journal of Chemistry1878-53522017-05-0110453954710.1016/j.arabjc.2013.11.027Synthesis, characterization and rheological behavior of pH sensitive poly(acrylamide-co-acrylic acid) hydrogelsSeddiki NesrinneAliouche DjamelPoly(acrylamide-co-acrylic acid) poly(AAm-co-AAc) hydrogels were prepared by free radical polymerization initiated by redox initiators of ammonium peroxodisulphate (APS) and N,N,N′,N′-tetramethyl ethylene diamine (TEMED); N,N′-methylene bisacrylamide (BIS) was employed as a crosslinking agent. The copolymers were characterized by infrared spectroscopy (FT-IR), differential scanning calorimetry (DSC), dynamic rheology and swelling measurements. Results indicated that the strong interaction in the hydrogels resulted in the formation of a more stable copolymer. The single glass transition temperature (Tg) in sample suggested that the two polymers into the hydrogel have a good miscibility. The elastic modulus (G′) and linear viscoelastic region increased with increase in PAAc concentration. The oscillation time sweep study of the hydrogels exhibited a flat G′ indicating a stable structure and good mechanical strength. In the swelling measurements, the gels exhibited appreciable water uptake and were highly sensitive to pH environment. So the poly(AAm-co-AAc) hydrogel will have promising application in pharmaceutical use and in biomaterials.http://www.sciencedirect.com/science/article/pii/S1878535213003973Poly(acrylamide-co-acrylic acid)pH sensitive hydrogelGlass temperatureRheological behaviorDynamic oscillation testSwelling |
| spellingShingle | Seddiki Nesrinne Aliouche Djamel Synthesis, characterization and rheological behavior of pH sensitive poly(acrylamide-co-acrylic acid) hydrogels Arabian Journal of Chemistry Poly(acrylamide-co-acrylic acid) pH sensitive hydrogel Glass temperature Rheological behavior Dynamic oscillation test Swelling |
| title | Synthesis, characterization and rheological behavior of pH sensitive poly(acrylamide-co-acrylic acid) hydrogels |
| title_full | Synthesis, characterization and rheological behavior of pH sensitive poly(acrylamide-co-acrylic acid) hydrogels |
| title_fullStr | Synthesis, characterization and rheological behavior of pH sensitive poly(acrylamide-co-acrylic acid) hydrogels |
| title_full_unstemmed | Synthesis, characterization and rheological behavior of pH sensitive poly(acrylamide-co-acrylic acid) hydrogels |
| title_short | Synthesis, characterization and rheological behavior of pH sensitive poly(acrylamide-co-acrylic acid) hydrogels |
| title_sort | synthesis characterization and rheological behavior of ph sensitive poly acrylamide co acrylic acid hydrogels |
| topic | Poly(acrylamide-co-acrylic acid) pH sensitive hydrogel Glass temperature Rheological behavior Dynamic oscillation test Swelling |
| url | http://www.sciencedirect.com/science/article/pii/S1878535213003973 |
| work_keys_str_mv | AT seddikinesrinne synthesischaracterizationandrheologicalbehaviorofphsensitivepolyacrylamidecoacrylicacidhydrogels AT aliouchedjamel synthesischaracterizationandrheologicalbehaviorofphsensitivepolyacrylamidecoacrylicacidhydrogels |