2007
DOI: 10.1016/j.polymer.2006.11.022
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Freezing as a path to build macroporous structures: Superfast responsive polyacrylamide hydrogels

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Cited by 115 publications
(75 citation statements)
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“…1,2 Polymer morphology is also known to have an important incidence on the hydrogel properties. [3][4][5][6][7] Crosslinked polymers may show pores with quite different size (from nanometer to millimeter diameters), structure (closed or interconnected) and shape (fibrillar networks, honeycomb-like, spherical, cylindrical, channel-like). 3 The porous morphology depends on several variables such as the porogen and crosslinker used in feed, or the previous thermal history of the sample.…”
Section: Introductionmentioning
confidence: 99%
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“…1,2 Polymer morphology is also known to have an important incidence on the hydrogel properties. [3][4][5][6][7] Crosslinked polymers may show pores with quite different size (from nanometer to millimeter diameters), structure (closed or interconnected) and shape (fibrillar networks, honeycomb-like, spherical, cylindrical, channel-like). 3 The porous morphology depends on several variables such as the porogen and crosslinker used in feed, or the previous thermal history of the sample.…”
Section: Introductionmentioning
confidence: 99%
“…3 The porous morphology depends on several variables such as the porogen and crosslinker used in feed, or the previous thermal history of the sample. [3][4][5][6][7][8][9][10][11][12] Sponges and macroporous polymers are prepared with porogen agents 9,10 or other porogenic methods. 4,11,13,14 Polymer networks synthesized without using porogens, exhibit pores (inherent porosity 12 ) that in the swollen state are filled with solvent and contribute significantly to the degree of swelling.…”
Section: Introductionmentioning
confidence: 99%
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“…Kriyojeller, mikro yapılarında herhangi bir çatlak oluşmadan sıkıştırılabilirler. Bu özellik, yüksek oranda çapraz bağlanma ve kalın gözenek duvarlı şebeke yapısından kaynaklanır [9]. Bu sebeple, kriyojel yapısı, hidrojel yapıya kıyasla biçim değiştirmeye karşı daha dirençlidir.…”
Section: Introductionunclassified
“…Na literatura, há trabalhos que demonstram a importância do uso da temperatura criogênica na síntese de hidrogéis de PAAM DINU et al, 2007), utilizando, porém, outra rota de síntese química como citada anteriormente, diferindo da que foi utilizada para síntese da membrana neste trabalho. Adicionalmente, o uso de baixas temperaturas é ideal para encapsular moléculas como proteínas, uma vez que processos degradativos são minimizados, favorecendo a estabilidade da proteína e sua integridade.…”
Section: Uso De Temperatura Criogênica Para Síntese Da Membranaunclassified