Gas permeability and temperature-dependent free-volume studies in polyurethane membranes by positron lifetime and doppler spectroscopies

Materials Science Forum

Volumn 445-446, Issue , 2004, Pages 289-291

  Marques, M F Ferreira ^a,b   Gordo, P M ^b   Gil, C Lopes ^b   De Lima, A P ^b   Queiroz, D Placco ^c   De Pinho, M Norberta ^c   Kajcsos, Zs ^d   Duplatre G ^e  

^a POLYTECHNIC INSTITUTE OF COIMBRA   (Portugal)

^b UNIVERSITY OF COIMBRA   (Portugal)

^c INSTITUTO SUPERIOR TÉCNICO   (Portugal)

^d WIGNER RESEARCH CENTRE FOR PHYSICS   (Hungary)

^e INSTITUT DE RECHERCHES SUBATOMIQUES   (France)

Author keywords

Doppler Broadening; Free Volume; Polyurethanes; Positron Lifetime

Indexed keywords

BLOCK COPOLYMERS; CROSSLINKING; DOPPLER EFFECT; GELATION; MATHEMATICAL MODELS; PARAMETER ESTIMATION; POSITRON ANNIHILATION SPECTROSCOPY;

FREE VOLUME; GEL PERMEABILITY; POSITRON LIFETIME;

POLYURETHANES;

EID: 3142709612     PISSN: 02555476     EISSN: 16629752     Source Type: Book Series    
DOI: None     Document Type: Conference Paper

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