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Type: Artigo de periódico
Title: Mechanicals Resistance Of Thermosensitive Hydrogels Consisting Of Alginate-ca2+/pnipaam, Type Semi-ipn [resistência Mecânica De Hidrogéis Termo-sensíveis Constituídos De Alginato-ca2+/pnipaam, Tipo Semi-ipn]
Author: Campese G.M.
Tambourgi E.B.
Guilherme M.R.
De Moura M.R.
Muniz E.C.
Youssef E.Y.
Abstract: Thermosensitive hydrogels were synthesized using alginate-Ca2+ in association with a thermosensitive polymer, such as PNIPAAm. The mechanical properties of the hydrogels were determined measuring the maximum tension of deformation. With the increase of the temperature by 25 to 40 °C above the LCST the chains of PNIPAAm collapsed, dragging the alginate net and diminishing the size of the pores. The decrease in the size of the pores of the hydrogel was followed by an increase in the mechanicals resistance of the material.
Rights: aberto
Identifier DOI: 
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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