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Study on the cell structure and compressive behavior of biodegradable poly(ε‐caprolactone) foam
Author(s) -
Liu Hao,
Han Changyu,
Dong Lisong
Publication year - 2008
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.21199
Subject(s) - materials science , compressive strength , composite material , caprolactone , scanning electron microscope , compression (physics) , modulus , relative density , elastic modulus , compression test , polymer , copolymer , microstructure
Biodegradable poly(ε‐caprolactone) (PCL) foams with a series of controlled structures were prepared by using chemical foaming method. The cell morphology was detected by scanning electron microscope (SEM). The compressive behavior of the foams was investigated by uniaxial compression test. The effect of density and structural parameters on the foam compressive behavior was analyzed. It was found that the relative compressive modulus has a power law relationship with relative density. Increasing of both the cell wall thickness and the cell density lead to higher compressive modulus of the foam; however, the cell size has no distinct effect on compressive behavior. POLYM. ENG. SCI., 2008. © 2008 Society of Plastics Engineers