Compression modulus and equilibrium swelling studies of poly(2-hydroxyethyl methacrylate) hydrogels formed at various polymer concentrations

Burcu Kizmaz, Nermin Orakdogen*

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3 Atıf (Scopus)

Özet

The equilibrium swelling degree and modulus of elasticity of poly(2-hydroxyethyl methacrylate) (PHEMA) hydrogels prepared at various initial monomer concentrations were investigated to understand their characteristic behavior for development as biomaterials. The resulting hydrogels were characterized in terms of the equilibrium swelling and compression stress-strain measurements. The influences of the monomer feed composition on the swelling and the mechanical properties of PHEMA hydrogels were explored. The swelling capacity and network characteristics of the resulting hydrogels were determined through the observation of swelling behavior in water and compression modulus determination both after equilibrium swelling and after their preparation. The equilibrium swelling of PHEMA hydrogels was analyzed by Flory-Rehner theory and the results were combined by the results of elasticity measurements to calculate the molecular characteristics of hydrogels. The mechanical strength of PHEMA hydrogels increased greatly by increasing the gel preparation concentration. The results showed that the gel strength and the mechanical properties of hydrogels can be controlled by changing the polymer concentration and the amount of water used in the gel preparation.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)237-246
Sayfa sayısı10
DergiSoft Materials
Hacim12
Basın numarası2
DOI'lar
Yayın durumuYayınlandı - 2014

Bibliyografik not

Publisher Copyright:
© Taylor & Francis Group, LLC.

Finansman

This study has been supported by the Scientific and Technical Research Council of Turkey (TUBITAK, 111T052).

FinansörlerFinansör numarası
TUBITAK111T052
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu

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