INVESTIGADORES
MASUELLI Martin Alberto
congresos y reuniones científicas
Título:
TRAGACANTH MODIFIED DENSE MEMBRANES
Autor/es:
A. MARTIN MASUELLI, E. ANDRÉS TAKARA, ADOLFO ACOSTA, JOSÉ MARCHESE.
Lugar:
Santander
Reunión:
Congreso; Ibero-American Congress on Membrane Science and Technology; 2014
Institución organizadora:
Ibero-American Congress on Membrane Science and Technology
Resumen:
A variety of renewable biopolymers such as polysaccharides derived from plants have beeninvestigated for the development of edible/biodegradable, non-petrochemical-basedpackaging materials and edible coatings. Tragacanth gum is an interesting alternative tosynthetic water-barrier polymers in packaging applications. Films have low waterpermeability under dry conditions due to their high content of hydrogen bonds. Films wereprepared from aqueous solution of tragacanth (exudate tree called Astragalus Gossipinus).Then they were crosslinked with glutaraldehyde (Sigma Grade II) at different ratios (5, 7 and10% vol.) and contact times from 0.2 to 120 hours, in 100 ml of acetone-HCl 1% vol(Biopack) solution.
